subject:(Beach nourishment)

Aristotle University Of Thessaloniki (AUTH); Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)

1. Spyrou, Dimitrios. Πειραματική και αριθμητική προσομοίωση των εγκάρσιων κυματογενών διεργασιών στη μέθοδο της τεχνητής αναπλήρωσης των ακτών.

Degree: 2017, Aristotle University Of Thessaloniki (AUTH); Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)

URL: http://hdl.handle.net/10442/hedi/41853

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In the present study beach nourishment method is presented as an environmental friendly method against beach erosion. Beach nourishment method is applicable with great success… (more)

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In the present study beach nourishment method is presented as an environmental friendly method against beach erosion. Beach nourishment method is applicable with great success in the United States of America and other European countries as well. Bibliography as far as experiments of beach nourishment method is concerned is limited. There are few two dimension experiments trying to reproduce the evolution of the cross shore section where beach nourishment method is applied. A limited number of experiments with beach nourishment method combined with submerged structure performed as well. Τhe present study is an attempt to simulate cross shore wave processes in beach nourishment method both experimentally and numerical. In addition the combination of beach nourishment method with submerged structures is performed. After the application of beach nourishment experimentally, numerical simulation is applied in order to compare methods. In the past experiments of beach nourishment with mild beach-face slope are performed. In most cases the beach face-slope was 1:5 or less. We applied beach nourishment method with steep beach-face slope 1:2 and 1:4. Beach nourishment with submerged structures in various wave combinations examined as well. Erosion of beach-face occurred from the beginning of experimental procedure. An underwater sill is formatted in order to protect the beach from greater erosion. The sill was moving seawards as experimental evolves. After a while the beach profile reaches its equilibrium profile. After that moment no change of the beach profile is detected. The impact of submerged structure was beneficial for the beach. Erosion degree is greater when no structure exists. Equilibrium profile is not very constant with the profile that Dean describes with the equation Y=AN x2/3. The formation of the underwater sill is not described in Dean’s equation. Experiments showed that the beach formats this underwater sill in order to protect its face from further erosion. A new numerical model is used in the present study. Boussinesq model was modified in order to reproduce steeper slopes of beach-faces in beach nourishment method application. Results shown that numerical method and experimental method are very close related. The modification seems to be very successful. The conclusion is that we can use Dean’s equations in order to reproduce erosive conditions in a beach profile in which beach nourishment method is applied.

Στην παρούσα διδακτορική διατριβή αναλύεται η μέθοδος της τεχνητής αναπλήρωσης των ακτών σαν ένας ήπιος τρόπος προστασίας της παράκτιας ζώνης έναντι διάβρωσης. Πρόκειται για μια περιβαλλοντικά φιλική λύση σε αντίθεση με τις ¨σκληρές¨ μεθόδους (π.χ. κυματοθραύστες) που συνήθως επιλέγονται για να περιορίσουν τις συνθήκες διάβρωσης. Η μέθοδος της τεχνητής αναπλήρωσης των ακτών εφαρμόζεται με μεγάλη επιτυχία στις Ηνωμένες Πολιτείες της Αμερικής σε παράκτιες περιοχές με έντονο πρόβλημα διάβρωσης, καθώς και σε αρκετές Ευρωπαϊκές χώρες. Η βιβλιογραφία όσον αφορά την πειραματική προσέγγιση της μεθόδου…

Subjects/Keywords: Τεχνητή αναπλήρωση; Beach nourishment

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Spyrou, D. (2017). Πειραματική και αριθμητική προσομοίωση των εγκάρσιων κυματογενών διεργασιών στη μέθοδο της τεχνητής αναπλήρωσης των ακτών. (Thesis). Aristotle University Of Thessaloniki (AUTH); Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ). Retrieved from http://hdl.handle.net/10442/hedi/41853

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Spyrou, Dimitrios. “Πειραματική και αριθμητική προσομοίωση των εγκάρσιων κυματογενών διεργασιών στη μέθοδο της τεχνητής αναπλήρωσης των ακτών.” 2017. Thesis, Aristotle University Of Thessaloniki (AUTH); Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ). Accessed January 19, 2021. http://hdl.handle.net/10442/hedi/41853.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Spyrou, Dimitrios. “Πειραματική και αριθμητική προσομοίωση των εγκάρσιων κυματογενών διεργασιών στη μέθοδο της τεχνητής αναπλήρωσης των ακτών.” 2017. Web. 19 Jan 2021.

Vancouver:

Spyrou D. Πειραματική και αριθμητική προσομοίωση των εγκάρσιων κυματογενών διεργασιών στη μέθοδο της τεχνητής αναπλήρωσης των ακτών. [Internet] [Thesis]. Aristotle University Of Thessaloniki (AUTH); Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ); 2017. [cited 2021 Jan 19]. Available from: http://hdl.handle.net/10442/hedi/41853.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Spyrou D. Πειραματική και αριθμητική προσομοίωση των εγκάρσιων κυματογενών διεργασιών στη μέθοδο της τεχνητής αναπλήρωσης των ακτών. [Thesis]. Aristotle University Of Thessaloniki (AUTH); Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ); 2017. Available from: http://hdl.handle.net/10442/hedi/41853

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Delft University of Technology

2. Heineke, D. (author); Volbeda, E. (author); De Weerdt, B. (author). Project Veracruz: An assessment for the eroding beach south of Veracruz.

Degree: Department Hydraulic Engineering, 2014, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:24c59cc3-5c93-4154-a3ca-663728e1cfce

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Due to frequently occurring storms, like hurricanes and cold fronts, the coasts around the Mexican port city Veracruz suffer from erosion. This is most severe… (more)

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Due to frequently occurring storms, like hurricanes and cold fronts, the coasts around the Mexican port city Veracruz suffer from erosion. This is most severe at the beaches of Boca del Rio just south of the city of Veracruz. Here, small beaches can be found between large groynes. These groynes block the southward littoral drift significantly but proved not to provide protection against episodic storm erosion. The cause of the erosional problem is in cross-shore direction, therefore solutions should be considered which act in this direction as well. Eventually a nourishment, a dune, an offshore submerged breakwater and a beach toe were designed as possible solutions. Firstly the impact on the current situation is simulated which is referred to as the do-nothing situation. Afterwards, runs were done with an XBeach model to check the storm impact on the beach profile for several combinations of the solutions mentioned above. To evaluate the simulations above six criteria were taken into account with different importance. The extent to which the erosion is counteracted and the costs are the most important criteria, besides values for the sustainability, durability, recreational value and hindrance contribute as well to the total score of a considered solution. Finally two combinations showed interesting results. On the one hand a nourishment and on the other hand an uninterrupted submerged breakwater in combination with a nourishment. Both can additionally be combined with a dune resulting in a slightly higher value due to better performance and higher recreational value. A nourishment is initially a cheap solution, but has to be maintained every few years by additional nourishments, resulting in increasing costs and hindrance for beach recreation. A large benefit of only performing beach nourishment is that abundance of sand will be available due to extension works at the port of Veracruz. The combination of a breakwater and a nourishment requires a high initial investment. The result however is a very durable solution which will protect the coastal system for many years without maintenance. Besides the costs a disadvantage is that large amounts of rock have to be imported to construct the breakwater, which does not contribute to a sustainable solution. Eventually it depends on the national and local governments which of the solutions above will be performed. They can choose between a very durable solution with high initial investments or an initially cheaper solution which is sustainable but demands frequent maintenance.

Hydraulic Engineering

Civil Engineering and Geosciences

Subjects/Keywords: Mexico; Veracruz; beach erosion; artificial beach nourishment

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Heineke, D. (author); Volbeda, E. (author); De Weerdt, B. (. (2014). Project Veracruz: An assessment for the eroding beach south of Veracruz. (Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:24c59cc3-5c93-4154-a3ca-663728e1cfce

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Heineke, D. (author); Volbeda, E. (author); De Weerdt, B (author). “Project Veracruz: An assessment for the eroding beach south of Veracruz.” 2014. Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:24c59cc3-5c93-4154-a3ca-663728e1cfce.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Heineke, D. (author); Volbeda, E. (author); De Weerdt, B (author). “Project Veracruz: An assessment for the eroding beach south of Veracruz.” 2014. Web. 19 Jan 2021.

Vancouver:

Heineke, D. (author); Volbeda, E. (author); De Weerdt B(. Project Veracruz: An assessment for the eroding beach south of Veracruz. [Internet] [Thesis]. Delft University of Technology; 2014. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:24c59cc3-5c93-4154-a3ca-663728e1cfce.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Heineke, D. (author); Volbeda, E. (author); De Weerdt B(. Project Veracruz: An assessment for the eroding beach south of Veracruz. [Thesis]. Delft University of Technology; 2014. Available from: http://resolver.tudelft.nl/uuid:24c59cc3-5c93-4154-a3ca-663728e1cfce

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Delft University of Technology

3. Vrolijk, E.F. (author); Poelhekke, L. (author); Schlepers, M.H. (author). Improving Oasis Beach: Creating a sustainable and attractive beach around hotel Oasis in Varadero Cuba.

Degree: 2014, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:2c7e4e45-a38d-4f69-817e-6367d953a662

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In the North of Cuba, the Oasis beach area is situated. The beach suffers from structural erosion and earlier measures to deal with this have… (more)

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In the North of Cuba, the Oasis beach area is situated. The beach suffers from structural erosion and earlier measures to deal with this have not succeeded. In this project, a solution is offered to reach two goals: foremost, a beach improvement to the Oasis beach sector and second, a halt to the structural erosion in the sector in order to maintain the beach improvement. These goals are strongly linked to one another and contain several research questions to be able to find suitable solutions. A vast analysis on the area has been made. It becomes clear in the project that these impacts are decisive in the erosion that takes place, as natural beach recovery is limitedly possible. An important finding during the analysis is that there is no significant sediment transport in the Oasis beach sector during normal conditions. However, the steep bathymetry and the re-occurrence of cold fronts and hurricanes induce large cross-shore transport and sediment is extracted from the system, leaving the Oasis beach sector with a structural erosion problem. The solution of the problem would have to be a combination of hard and soft measurements. Three alternatives were created, plus a base alternative. The base alternative consists of the demolition of the existing structures and a nourishment. The three alternatives are respectively a ‘Perched beach’, ‘Emerged breakwaters’ and ‘Wooden L-shaped piers’. All alternatives were simulated with the use of Delft3D and XBeach. A Multi Criteria Analysis (MCA) was carried out to evaluate the alternatives. The most important criteria in this are the protection against erosion and spatial quality. The MCA, in combination with the estimated accompanying costs, resulted in a final solution proposal, being the perched beach. Although scoring high in general, a few adjustments are made to the design. An addition is made by introducing a sill to the alternative. The sill will take over the function of supporting the beach and enables a smaller beach nourishment and a better controllable beach profile, as it is build closer to shore. Furthermore, the height of the breakwater is increased in order to decrease the amount of necessary maintenance. The proposition of the solution comes with an indication of planning and costs. The construction time is estimated to be 343 days. Construction costs are calculated to be $ 6,970,175.70 CUP, including the costs for the initial nourishment and the demolition of existing structures.

Hydraulic Engineering

Civil Engineering and Geosciences

Subjects/Keywords: beach improvement; Cuba; Delft3D; XBeach; nourishment

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Vrolijk, E.F. (author); Poelhekke, L. (author); Schlepers, M. H. (. (2014). Improving Oasis Beach: Creating a sustainable and attractive beach around hotel Oasis in Varadero Cuba. (Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:2c7e4e45-a38d-4f69-817e-6367d953a662

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Vrolijk, E.F. (author); Poelhekke, L. (author); Schlepers, M H (author). “Improving Oasis Beach: Creating a sustainable and attractive beach around hotel Oasis in Varadero Cuba.” 2014. Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:2c7e4e45-a38d-4f69-817e-6367d953a662.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Vrolijk, E.F. (author); Poelhekke, L. (author); Schlepers, M H (author). “Improving Oasis Beach: Creating a sustainable and attractive beach around hotel Oasis in Varadero Cuba.” 2014. Web. 19 Jan 2021.

Vancouver:

Vrolijk, E.F. (author); Poelhekke, L. (author); Schlepers MH(. Improving Oasis Beach: Creating a sustainable and attractive beach around hotel Oasis in Varadero Cuba. [Internet] [Thesis]. Delft University of Technology; 2014. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:2c7e4e45-a38d-4f69-817e-6367d953a662.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Vrolijk, E.F. (author); Poelhekke, L. (author); Schlepers MH(. Improving Oasis Beach: Creating a sustainable and attractive beach around hotel Oasis in Varadero Cuba. [Thesis]. Delft University of Technology; 2014. Available from: http://resolver.tudelft.nl/uuid:2c7e4e45-a38d-4f69-817e-6367d953a662

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Delft University of Technology

4. Kibrit, B. (author); Imambaks, R. (author); Anijs, M. (author); Tarigheh, A.S. (author). Recife: Coastal protection plan.

Degree: Section Hydraulic Engineering, 2011, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:70277a41-5591-4c98-9633-06542a0a2ac1

► Over the past decades the north-eastern coast of Brazil has been degrading due to erosion. This degradation has both natural- and men-made causes. Brazil has… (more)

▼ Over the past decades the north-eastern coast of Brazil has been degrading due to erosion. This degradation has both natural- and men-made causes. Brazil has no specific laws and acts which relate to coastal protection and management up to this date. Beaches in the metropolitan area of Recife show variety in beach width according to the seasons. However the local factors play such a significant role in this, that it is not possible to establish a direct link between the seasons and beach width. Since the beginning of the 20th century, men has built structures all along this coast without proper guidelines. Wrong implementation of the structures has ,most probable, made matters worse. Another aspect is that men built structures (1970) on the backshore creating less back buffer which resulted in relative erosion. This paper entails the study of the coast of metropolitan Recife which is 45 km long. The goal of this study is to assess the area: to create solutions for their problems. The paper consist of two parts, part A and part B. Part A consists of a study of the entire coast of metropolitan Recife. Part B focuses on Boa Viagem, an area of 2.78 km within the metropolitan area of Recife. In order to assess the entire area more suffiecient, the area has been split up into 7 parts, from north to south: Janga, Casa Caiada, Bairro Novo, Fortim, Boa Viagem, Piedade and Candeias. All these areas have been studied in order to find the cause of erosion, and possible solution. This has been done by preliminary assessment, where the current structures are observed; a problem assessment, this study emphasizes each area’s problem and probable causes; and finally a solution assessment where possible solutions are represented. The total area of the coast of metropolitan Recife consists of men-made hard structures such as groynes, breakwaters and revetment. But has also natural breakwaters such as reefs. The presence of the latter makes study of this coast highly complex. The area has one major and one minor source of sediment. The major is the sediment that is transported in the littoral drift. The minor source is sediment being discharged by the rivers in the area. The sediment is fine to medium size sand. The current level of “protection” is highly ineffective and has made matters worse in many cases such as Casa Caiada. The level of protection can be classified as poor. Initially, the area was thought be a flood risk, however, closer inspection has revealed that coastal flooding is a non-issue in the metropolitan area of Recife. The amount of erosion cannot be limited but only displaced if hard measures are deployed. If sediment is trapped in one area, another area will be adversely affected. The only solution to sediment deficiency is introducing additional sediment in the area. Part B focusses on Boa Viagem, an area of 2.78 km long with probably the most economic value. The coast of Boa Viagem has healthy beaches but also shows signs of erosion. The area consist mostly of reefs, but also has revetments and a harbor. Different…

Subjects/Keywords: Brazil; coastal protection; Recife; beach nourishment

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Kibrit, B. (author); Imambaks, R. (author); Anijs, M. (author); Tarigheh, A. S. (. (2011). Recife: Coastal protection plan. (Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:70277a41-5591-4c98-9633-06542a0a2ac1

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Kibrit, B. (author); Imambaks, R. (author); Anijs, M. (author); Tarigheh, A S (author). “Recife: Coastal protection plan.” 2011. Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:70277a41-5591-4c98-9633-06542a0a2ac1.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Kibrit, B. (author); Imambaks, R. (author); Anijs, M. (author); Tarigheh, A S (author). “Recife: Coastal protection plan.” 2011. Web. 19 Jan 2021.

Vancouver:

Kibrit, B. (author); Imambaks, R. (author); Anijs, M. (author); Tarigheh AS(. Recife: Coastal protection plan. [Internet] [Thesis]. Delft University of Technology; 2011. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:70277a41-5591-4c98-9633-06542a0a2ac1.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Kibrit, B. (author); Imambaks, R. (author); Anijs, M. (author); Tarigheh AS(. Recife: Coastal protection plan. [Thesis]. Delft University of Technology; 2011. Available from: http://resolver.tudelft.nl/uuid:70277a41-5591-4c98-9633-06542a0a2ac1

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Delft University of Technology

5. Meisner, E. (author). Gold coast nearshore nourishments.

Degree: 1991, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:c625a4b4-d576-46da-8b2f-ac224601ed1b

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In 1988 a large nearshore nourishment at Gold Coast, Australia was carried out. InSeptember/October 1988 1.5 million m3 of sand was dumped nearshore between the… (more)

Subjects/Keywords: artificial beach nourishment

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Meisner, E. (. (1991). Gold coast nearshore nourishments. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:c625a4b4-d576-46da-8b2f-ac224601ed1b

Chicago Manual of Style (16^th Edition):

Meisner, E (author). “Gold coast nearshore nourishments.” 1991. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:c625a4b4-d576-46da-8b2f-ac224601ed1b.

MLA Handbook (7^th Edition):

Meisner, E (author). “Gold coast nearshore nourishments.” 1991. Web. 19 Jan 2021.

Vancouver:

Meisner E(. Gold coast nearshore nourishments. [Internet] [Masters thesis]. Delft University of Technology; 1991. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:c625a4b4-d576-46da-8b2f-ac224601ed1b.

Council of Science Editors:

Meisner E(. Gold coast nearshore nourishments. [Masters Thesis]. Delft University of Technology; 1991. Available from: http://resolver.tudelft.nl/uuid:c625a4b4-d576-46da-8b2f-ac224601ed1b

Delft University of Technology

6. Buijs, J.N. (author). Technische en economische haalbaarheid van een hangend strand concept.

Degree: 2003, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:ae8aee6b-6a1b-4a8d-9a1c-b98670206fd6

► Het zoeken naar een geschikte locatie voor een nieuw aan te leggen vliegveld heeft in Nederland al tot vele studies geleid. Een van de altrnatieve… (more)

▼ Het zoeken naar een geschikte locatie voor een nieuw aan te leggen vliegveld heeft in Nederland al tot vele studies geleid. Een van de altrnatieve locaties voor het huidige Schiphol is een nog aan te leggen eiland in de Noordzee en wordt 'Schiphol in zee' genoemd. Bij grootschalige landaanwinning in open zee worden twee verschillende types zeewering vaak toegepast. Deze twee types zijn een harde en een zachte wering. Een harde wering wordt gevormd door een ringdijk. Een zachte wering wordt volledig opgespoten, waarbij een natuurlijk dwarsprofiel ontstaat van zand. Een zeewering, die nog niet vaak is toegepast, is het hangende strand concept. Het hangende strand concept bestaat uit twee strekdammen aan de randen van de kust met een onderwaterdam tussen de uiteinden. Tussen de strekdammen en de onderwaterdam wordt een zandprofiel aangebracht. Een zachte wering is op de geplande locatie van het eiland niet gewenst, vanwege erosie van het eiland en de ligging tussen twee vaargeulen. Het doel van deze studie is te onderzoeken of een hangend strand concept technisch mogelijk is als zeewering voor de westelijke kust van Schiphol in zee, waarbij het ook economisch een aantrekkelijk altematief biedt voor een harde wering. Het hangende strand concept is technisch mogelijk, als dit in langs- en in dwarsrichting in evenwicht is. Het hangende strand concept is financieel een aantrekkelijk alternatief als het goedkoper is dan een harde wering. Een harde wering moet meters boven het gemiddelde zeeniveau uitsteken om de maatgevende omstandigheden te kunnen weerstaan en het zand aan de landzijde te kunnen keren. Een globaal ontwerp van een harde wering is gemaakt en de kosten hiervan zijn berekend. Een schatting van de kosten van een harde wering voor de westelijke kust is 1,672 miljard euro. Het hangende strand concept is in langsrichting in evenwicht, als er over een lange periode netto geen langstransport is. Dit kan worden bewerkstelligd door de kust zo te oriënteren op de golven, dat deze per saldo geen langstransport veroorzaken. Deze oriëntatie is onderzocht voor drie ontwerpen. Het voornaamste verschil tussen de ontwerpen is de hoogte van de onderwaterdam. De lengte van het dwarsprofiel is afhankelijk van de hoogte van de onderwaterdam. De drie onderzochte hoogtes van de onderwaterdammen zijn NAP -5,0 m, NAP -2,0 m en NAP-niveau. Voor de berekeningen is gebruik gemaakt van de gegevens van Meetpost Noordwijk. De orientatie, die evenwicht geeft, vertoont grote verschillen over de jaren heen voor alle ontwerpen. Voor de ontwerpen met een onderwaterdam tot NAP -5,0 m en NAP -2,0 m is een orientatie gekozen van 279 graden (de kust met een noord- zuid orientatie is 9 graden gedraaid met de klok mee). Het ontwerp met de onderwaterdam tot NAP-niveau krijgt een orientatie van 283 graden. De gekozen orientaties zijn de uitkomst van de meeste simulaties en zijn de mediaan van de berekende orientaties van de laatste tien gesimuleerde jaren. Daarnaast liggen de gekozen orientaties in het midden tussen de extreme waardes (255 graden en 305… Advisors/Committee Members: Van de Graaff, J. (mentor), Roelvink, J.A. (mentor), Dankers, P. (mentor), Stive, M.J.F. (mentor).

Subjects/Keywords: perched beach; beach nourishment

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Buijs, J. N. (. (2003). Technische en economische haalbaarheid van een hangend strand concept. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:ae8aee6b-6a1b-4a8d-9a1c-b98670206fd6

Chicago Manual of Style (16^th Edition):

Buijs, J N (author). “Technische en economische haalbaarheid van een hangend strand concept.” 2003. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:ae8aee6b-6a1b-4a8d-9a1c-b98670206fd6.

MLA Handbook (7^th Edition):

Buijs, J N (author). “Technische en economische haalbaarheid van een hangend strand concept.” 2003. Web. 19 Jan 2021.

Vancouver:

Buijs JN(. Technische en economische haalbaarheid van een hangend strand concept. [Internet] [Masters thesis]. Delft University of Technology; 2003. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:ae8aee6b-6a1b-4a8d-9a1c-b98670206fd6.

Council of Science Editors:

Buijs JN(. Technische en economische haalbaarheid van een hangend strand concept. [Masters Thesis]. Delft University of Technology; 2003. Available from: http://resolver.tudelft.nl/uuid:ae8aee6b-6a1b-4a8d-9a1c-b98670206fd6

University of California – San Diego

7. Ludka, Bonnie Cecily. Wave-driven beach sand level changes in southern California.

Degree: Oceanography, 2016, University of California – San Diego

URL: http://www.escholarship.org/uc/item/1zz000zk

► Sand levels were monitored at five southern California beaches for periods of 3 to 15 years, spanning a total of 18 km alongshore. Every 3… (more)

▼ Sand levels were monitored at five southern California beaches for periods of 3 to 15 years, spanning a total of 18 km alongshore. Every 3 months, GPS equipped vehicles measured sand elevations on cross-shore transects from the backbeach to 8 m depth, with 100 m alongshore resolution. Subaerial observations were collected monthly above the spring low-tide line. Wave buoys and a numerical model provided hourly wave estimates in 10 m depth at each site.These observations show that beach profile shapes (depth versus cross-shore distance) evolve consistent with the equilibrium hypothesis: under steady wave conditions, evolution is toward a unique, wave condition dependent, equilibrium beach profile. Beaches far out of equilibrium change rapidly, and as equilibrium is approached they change ever more slowly. At the sandy regions, a simple equilibrium beach state model has skill >0.5 (Chapter 2, [Ludka et al., 2015]).Repeated nourishments over multiple decades, costing hundreds of thousands of dollars, are a primary beach management strategy worldwide, but the wave-driven redistribution of nourishment sand is poorly understood. At four survey sites, 50,000-300,000 m³ of imported sand was placed on the subaerial beach over alongshore spans between 300-1300 m. Wave conditions in the months after placement were similar at all sites, but the subaerial nourishment pads eroded and retreated landward at different rates. A pad built with native-sized sand washed offshore in the first few storms. In contrast, nourishments with coarser than native sand remained on the beach face for several years and protected shorelines during the significant wave attack of the 2015-16 El Niño (Chapter 3, [Ludka et al., 2016]). These relatively resilient and coarse subaerial pads stretched alongshore in a pattern consistent with seasonally shifting, wave-driven alongshore currents. Natural gains and losses in the total sand volume budget, integrated spatially over each site, are sometimes larger than the nourishment contributions (Chapter 4, in prep for Coastal Engineering).

Subjects/Keywords: Physical oceanography; Marine geology; Geomorphology; beach; El Niño; equilibrium beach profile; nourishment; sand transport; waves

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APA (6^th Edition):

Ludka, B. C. (2016). Wave-driven beach sand level changes in southern California. (Thesis). University of California – San Diego. Retrieved from http://www.escholarship.org/uc/item/1zz000zk

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ludka, Bonnie Cecily. “Wave-driven beach sand level changes in southern California.” 2016. Thesis, University of California – San Diego. Accessed January 19, 2021. http://www.escholarship.org/uc/item/1zz000zk.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ludka, Bonnie Cecily. “Wave-driven beach sand level changes in southern California.” 2016. Web. 19 Jan 2021.

Vancouver:

Ludka BC. Wave-driven beach sand level changes in southern California. [Internet] [Thesis]. University of California – San Diego; 2016. [cited 2021 Jan 19]. Available from: http://www.escholarship.org/uc/item/1zz000zk.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ludka BC. Wave-driven beach sand level changes in southern California. [Thesis]. University of California – San Diego; 2016. Available from: http://www.escholarship.org/uc/item/1zz000zk

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Delft University of Technology

8. Jansen, S.E.A. (author). Discussion on the one-line calculations for the nourishment on Sylt (1972, 1978).

Degree: 1988, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:32c3ed5c-3d1c-4a26-abf1-776699f2ff1b

►

Reeximination of the noursihments on Sylt, Germany using the methods described in the "Manual on Artificial Beach Nourishment" with a one-line method, assuming a Gaussian… (more)

Subjects/Keywords: beach nourishment; beach replenishment; coastline calculation

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APA (6^th Edition):

Jansen, S. E. A. (. (1988). Discussion on the one-line calculations for the nourishment on Sylt (1972, 1978). (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:32c3ed5c-3d1c-4a26-abf1-776699f2ff1b

Chicago Manual of Style (16^th Edition):

Jansen, S E A (author). “Discussion on the one-line calculations for the nourishment on Sylt (1972, 1978).” 1988. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:32c3ed5c-3d1c-4a26-abf1-776699f2ff1b.

MLA Handbook (7^th Edition):

Jansen, S E A (author). “Discussion on the one-line calculations for the nourishment on Sylt (1972, 1978).” 1988. Web. 19 Jan 2021.

Vancouver:

Jansen SEA(. Discussion on the one-line calculations for the nourishment on Sylt (1972, 1978). [Internet] [Masters thesis]. Delft University of Technology; 1988. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:32c3ed5c-3d1c-4a26-abf1-776699f2ff1b.

Council of Science Editors:

Jansen SEA(. Discussion on the one-line calculations for the nourishment on Sylt (1972, 1978). [Masters Thesis]. Delft University of Technology; 1988. Available from: http://resolver.tudelft.nl/uuid:32c3ed5c-3d1c-4a26-abf1-776699f2ff1b

University of South Florida

9. Davis, Denise Marie. Distinguishing Processes that Induce Temporal Beach Profile Changes Using Principal Component Analysis: A Case Study at Long Key, West-central Florida.

Degree: 2013, University of South Florida

URL: https://scholarcommons.usf.edu/etd/4881

► The heavily developed Long Key is located in Pinellas County in west-central Florida. The structured Blind Pass at the north end of the barrier island… (more)

▼ The heavily developed Long Key is located in Pinellas County in west-central Florida. The structured Blind Pass at the north end of the barrier island interrupts the southward longshore sediment transport, resulting in severe and chronic beach erosion along the northern portion of the island. Frequent beach nourishments were conducted to mitigate the erosion. In this study, the performance of the most recent beach nourishment in 2010 is quantified through time-series beach profile surveys. Over the 34-month period, the nourished northern portion of the island, Upham Beach, lost up to 330 m3/m of sand, with a landward shoreline retreat of up to 100 m. The middle portion of the island gained up to 25 m3/m of sand, benefiting from the sand lost from Upham Beach. The southern portion of Long Key lost a modest amount of sediment, largely due to Tropical Storm Debby, which approached from the south in June 2012. The severe erosion along Upham Beach is induced by a large negative longshore transport gradient. The beach here has no sand bar and retreated landward persistently over the 34-month study period. In contrast the profiles in the central section of the island generally have a sand bar which moved landward and seaward in response to seasonal and storm-induced wave-energy changes. The sand volume across the entire profile in the central portion of the island is mostly conserved. Two typical example beach profiles, LK3A and R157, were selected to examine the ability of the commonly used principal component analysis (PCA), also commonly known as empirical orthogonal function analysis (EOF), to identify beach profile ix changes induced by longshore and cross-shore sediment transport gradients. For the longshore-transport driven changes at the non-barred profile LK3A, the principal eigenvector accounted for over 91% of the total variance, with a dominant broad peak in the cross-shore distribution. At the barred R157, the profile changes were caused mainly by cross-shore transport gradients with modest contribution from longshore transport gradient; eigenvalue one only accounted for less than 51% of the total variance, and eigenvalues two and three still contributed considerably to the overall variance. In order to verify the uniqueness of the PCA results from LK3A and R157, five numerical experiments were conducted, simulating changes at a barred and non-barred beach driven by longshore, cross-shore, and combined sediment transport gradients. Results from LK3A and R157 compare well with simulated beach erosion (or accretion) due to variable longshore sediment transport gradients and due to both cross-shore and longshore sediment transport gradients, respectively. Different PCA results were obtained from different profile change patterns.

Subjects/Keywords: beach morphodynamics; beach nourishment; eigenvalues; eigenvectors; empirical orthogonal function analysis; nearshore sediment transport; Geology

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APA (6^th Edition):

Davis, D. M. (2013). Distinguishing Processes that Induce Temporal Beach Profile Changes Using Principal Component Analysis: A Case Study at Long Key, West-central Florida. (Thesis). University of South Florida. Retrieved from https://scholarcommons.usf.edu/etd/4881

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Davis, Denise Marie. “Distinguishing Processes that Induce Temporal Beach Profile Changes Using Principal Component Analysis: A Case Study at Long Key, West-central Florida.” 2013. Thesis, University of South Florida. Accessed January 19, 2021. https://scholarcommons.usf.edu/etd/4881.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Davis, Denise Marie. “Distinguishing Processes that Induce Temporal Beach Profile Changes Using Principal Component Analysis: A Case Study at Long Key, West-central Florida.” 2013. Web. 19 Jan 2021.

Vancouver:

Davis DM. Distinguishing Processes that Induce Temporal Beach Profile Changes Using Principal Component Analysis: A Case Study at Long Key, West-central Florida. [Internet] [Thesis]. University of South Florida; 2013. [cited 2021 Jan 19]. Available from: https://scholarcommons.usf.edu/etd/4881.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Davis DM. Distinguishing Processes that Induce Temporal Beach Profile Changes Using Principal Component Analysis: A Case Study at Long Key, West-central Florida. [Thesis]. University of South Florida; 2013. Available from: https://scholarcommons.usf.edu/etd/4881

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Delft University of Technology

10. van Bemmelen, Cas (author). Beach Scarp Morphodynamics: Formation, Migration, and Destruction.

Degree: 2018, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:7e504913-112a-4f26-af8e-a82408004292

► Beach scarps are nearly vertical seaward facing walls within the cross-shore beach profile. These features are often associated with eroding (nourished) coastlines and can reach… (more)

▼ Beach scarps are nearly vertical seaward facing walls within the cross-shore beach profile. These features are often associated with eroding (nourished) coastlines and can reach heights of O(2-3 m), leading to serious hazards to beach users and negatively impacting local ecosystems. New insights into beach scarp morphodynamics related to geometrical, geotechnical and hydrodynamic parameters are presented in this thesis. Aimed at increasing our general understanding of these features, these insights are provided by means of analysing beach scarp presence at (large scale) nourishments and conducting field experiments. An analysis of beach scarp presence at the Sand Engine between 2011 and 2017 has shown that the formation is linked to mildly erosive (summer storm) conditions, whereas destruction is related to both extremely erosive (winter storm) conditions (overwash or inundation, ~50%) and non-hydrodynamic controls (drying collapse or burying by aeolian transport, ~50%). Newly obtained measurements of beach scarps at this nourishment indicate that the toe elevation is `fixed' around the maximum runup elevation, providing a direct relation between the final scarp height, nourishment platform height and hydrodynamic conditions. The associated beach scarp slope can be derived from a Culmann-type stability analysis, in which the matric suction provides the apparent cohesion necessary for the stability of scarps. Field experiments were carried out, which consisted of monitoring the formation, migration, and destruction of scarps from artificially constructed linear slopes. Video observations show that the formation of beach scarps takes place between the 15% and 2% exceedance runup elevation (R15% and R2%) and can be influenced by geometrical controls. High platform nourishments will lead to the formation of beach scarps, as overwash is required for a diffuse beach profile. The field experiments have furthermore shown that steep initial slopes are more susceptible to beach scarp formation. Beach scarp migration will take place when the maximum swash elevation exceeds the scarp toe, initiating the undercutting and slumping mechanism. Topographical measurements have shown that the migration rate is inversely related to the beach scarp height. The beach scarps reported in these experiments were found to be in accordance with the new definition proposed in this study; a non-vegetated, subaerial beach feature with a slope larger than the critical angle of repose of 32 degrees and a minimum height of 0.30 m. Based on these findings, a conceptual model relating beach scarp morphodynamics to geometrical, geotechnical and hydrodynamic parameters is presented. In general, the formation of beach scarps is preceded by a continuous steepening of the beach slope (between R15% and R2%) until a small vertical discontinuity of O(10 cm) is present. Upon landward migration of this small scale feature, the scarp height changes depending on the backshore topography. The natural destruction of beach scarps can be initiated by four… Advisors/Committee Members: Aarninkhof, Stefan (mentor), de Schipper, Matthieu (graduation committee), Jansen, M.H.P. (graduation committee), Liu, P.L.F. (graduation committee), Vardon, Phil (graduation committee), Delft University of Technology (degree granting institution), National University of Singapore (degree granting institution).

Subjects/Keywords: beach scarp; morphodynamics; formation; conceptual model; nourishment; runup

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

van Bemmelen, C. (. (2018). Beach Scarp Morphodynamics: Formation, Migration, and Destruction. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:7e504913-112a-4f26-af8e-a82408004292

Chicago Manual of Style (16^th Edition):

van Bemmelen, Cas (author). “Beach Scarp Morphodynamics: Formation, Migration, and Destruction.” 2018. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:7e504913-112a-4f26-af8e-a82408004292.

MLA Handbook (7^th Edition):

van Bemmelen, Cas (author). “Beach Scarp Morphodynamics: Formation, Migration, and Destruction.” 2018. Web. 19 Jan 2021.

Vancouver:

van Bemmelen C(. Beach Scarp Morphodynamics: Formation, Migration, and Destruction. [Internet] [Masters thesis]. Delft University of Technology; 2018. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:7e504913-112a-4f26-af8e-a82408004292.

Council of Science Editors:

van Bemmelen C(. Beach Scarp Morphodynamics: Formation, Migration, and Destruction. [Masters Thesis]. Delft University of Technology; 2018. Available from: http://resolver.tudelft.nl/uuid:7e504913-112a-4f26-af8e-a82408004292

11. Pollard, Claire Rydman. Determining the efficacy of dune enhancement and beach nourishment practices to mitigate storm washover on a low-lying barrier island .

Degree: 2017, Texas A&M University – Corpus Christi

URL: http://hdl.handle.net/1969.6/24407

► Tropical cyclones that enter or form in the Gulf of Mexico generate storm surge and large waves that impact low-lying coastlines. Along much of the… (more)

▼ Tropical cyclones that enter or form in the Gulf of Mexico generate storm surge and large waves that impact low-lying coastlines. Along much of the Gulf Coast, barrier islands are the primary line of defense against these powerful forces. Galveston Island, located 70 km south-southeast of Houston at the mouth of Galveston Bay, TX, is a major tourist and commercial center that has endured numerous hurricanes. Hurricane Ike is the most recent hurricane to make landfall on Galveston Island in September of 2008, causing dramatic changes to the coastal landscape. Discontinuous and densely vegetated foredunes less than 3-m tall and 30-m wide were the primary protection for 30 km of developed coastline on Galveston Island. The purpose of this study is to investigate the protective function of a foredune and determine if a larger dune system would have mitigated coastal erosion and flooding during Hurricane Ike. A coupled hydrodynamic and morphodynamic numerical model, called XBeach, is used to simulate erosion and deposition induced by Hurricane Ike on a 2.6-km long portion of West Beach on Galveston Island. Six different simulated topographic scenarios were incorporated into the XBeach model to test the efficacy of dune enhancement and beach nourishment strategies. Results show that XBeach is a useful tool in simulating the effect of Hurricane Ike from the nearshore to the back barrier flats. Model results are assessed by comparing the post-storm computed surface to lidar data collected over the island three months after Hurricane Ike made landfall. XBeach displayed an excellent Brier skill score of 0.67 up to 0.92 within the foredune zone alone, and described erosion and deposition patterns well. Dune enhancement testing results indicate an unrealistically high foredune (6.5-m tall and 37-m wide) is required to prevent overwash by the 3.14-m high surge. Enhancing the dune system without nourishing the beach leaves the dune line exposed to direct wave attack, and consequently, the lower dunes are eroded and overwashed. However, by increasing the width of the beach and adding sand to the nearshore, wave and surge energy was further dissipated resulting in less erosion of the beach and foredune zones. A lower foredune (4.5-m tall by 37-m wide) in conjunction with a 25-m wide beach nourishment provided the greatest degree of protection for the study area and was the best use of sand. This research effort is intended to inform coastal managers of the best use of sand resources to protect the island from a future Ike. Advisors/Committee Members: Gibeaut, James C (advisor), Starek, Michael J. (committeeMember), Tissot, Philippe (committeeMember).

Subjects/Keywords: barrier island; beach nourishment; dune enhancement; erosion; Hurricane Ike; XBeach

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APA (6^th Edition):

Pollard, C. R. (2017). Determining the efficacy of dune enhancement and beach nourishment practices to mitigate storm washover on a low-lying barrier island . (Thesis). Texas A&M University – Corpus Christi. Retrieved from http://hdl.handle.net/1969.6/24407

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Pollard, Claire Rydman. “Determining the efficacy of dune enhancement and beach nourishment practices to mitigate storm washover on a low-lying barrier island .” 2017. Thesis, Texas A&M University – Corpus Christi. Accessed January 19, 2021. http://hdl.handle.net/1969.6/24407.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Pollard, Claire Rydman. “Determining the efficacy of dune enhancement and beach nourishment practices to mitigate storm washover on a low-lying barrier island .” 2017. Web. 19 Jan 2021.

Vancouver:

Pollard CR. Determining the efficacy of dune enhancement and beach nourishment practices to mitigate storm washover on a low-lying barrier island . [Internet] [Thesis]. Texas A&M University – Corpus Christi; 2017. [cited 2021 Jan 19]. Available from: http://hdl.handle.net/1969.6/24407.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Pollard CR. Determining the efficacy of dune enhancement and beach nourishment practices to mitigate storm washover on a low-lying barrier island . [Thesis]. Texas A&M University – Corpus Christi; 2017. Available from: http://hdl.handle.net/1969.6/24407

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Florida Atlantic University

12. Shahan, Thomas A. Morphologic Evolution and Alongshore Variability of Two Nourishment Projects in Southeast FL, USA.

Degree: MS, 2018, Florida Atlantic University

URL: http://fau.digital.flvc.org/islandora/object/fau:40854

►

For the last several decades, beach nourishment has been a widely implemented erosion mitigation strategy along many developed coastlines. Measuring subsequent patterns of erosion and… (more)

Subjects/Keywords: Beach nourishment; Florida – Boca Raton; Erosion – Florida; Sediment transport

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APA (6^th Edition):

Shahan, T. A. (2018). Morphologic Evolution and Alongshore Variability of Two Nourishment Projects in Southeast FL, USA. (Masters Thesis). Florida Atlantic University. Retrieved from http://fau.digital.flvc.org/islandora/object/fau:40854

Chicago Manual of Style (16^th Edition):

Shahan, Thomas A. “Morphologic Evolution and Alongshore Variability of Two Nourishment Projects in Southeast FL, USA.” 2018. Masters Thesis, Florida Atlantic University. Accessed January 19, 2021. http://fau.digital.flvc.org/islandora/object/fau:40854.

MLA Handbook (7^th Edition):

Shahan, Thomas A. “Morphologic Evolution and Alongshore Variability of Two Nourishment Projects in Southeast FL, USA.” 2018. Web. 19 Jan 2021.

Vancouver:

Shahan TA. Morphologic Evolution and Alongshore Variability of Two Nourishment Projects in Southeast FL, USA. [Internet] [Masters thesis]. Florida Atlantic University; 2018. [cited 2021 Jan 19]. Available from: http://fau.digital.flvc.org/islandora/object/fau:40854.

Council of Science Editors:

Shahan TA. Morphologic Evolution and Alongshore Variability of Two Nourishment Projects in Southeast FL, USA. [Masters Thesis]. Florida Atlantic University; 2018. Available from: http://fau.digital.flvc.org/islandora/object/fau:40854

Delft University of Technology

13. Halbertsma, B. (author). Morfologisch gedrag van vooroeversuppleties.

Degree: 1997, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:5e4a30ce-b813-4766-92bd-c1c204691233

► Als men de Nederlandse geschiedenis bekijkt dan is er een steeds terugkerend element te ontdekken: de strijd tegen de zee. Er is in het verleden… (more)

▼ Als men de Nederlandse geschiedenis bekijkt dan is er een steeds terugkerend element te ontdekken: de strijd tegen de zee. Er is in het verleden veelland veroverd op het water, maar er moet constant voor gezorgd worden dat het gewonnen land behouden blijft. Als er niet actief zou worden ingegrepen dan zou binnen afzienbare tijd de kustlijn sterk achteruitgaan, een waddeneiland als Texel zou binnen de kortste keren een groot deel van zijn oppervlakte verliezen. Nu zijn er verschillende manieren om een bestaande kustlijn te handhaven. De zogenaamde "harde" maatregelen bestaan uit het bouwen van kunstwerken of kustverdedigingen om de oorzaak van het probleem aan te pakken. Een nadeel van deze methode is vaak dat het probleem zich verplaatst naar een verder gelegen gebied. De "zachte" maatregelen bestaan uit het bestrijden van de gevolgen van de achteruitgang van een kust. Hieronder vallen de zandsuppleties. De methode die het meest gebruikt wordt is de strandsuppletie waarbij het zand direct op het strand wordt gedeponeerd om zo het verloren deel terug te winnen. Een andere, slechts weinig toegepaste methode is de vooroeversuppletie. Hierbij wordt het suppletiemateriaal op enige meters diepte op de vooroever geplaatst, waama door golven en stroming het zand wordt getransporteerd naar de kust. Een voordeel van deze methode is dat de recreatie er geen hinder van ondervindt, ook is het storten van zand op een bepaalde diepte eenvoudiger (goedkoper) dan het opspuiten van een strand. Deze studie is erop gericht inzicht te verkrijgen in het effect dat een vooroeversuppletie heeft op de morfologie van een kust. Als uitgangspunt wordt een kustprofiel bij Egmond aan Zee genomen, waarin een aantal verschillende vooroeversuppleties wordt aangebracht. Er wordt gebruik gemaakt van UNIBEST, een simulatieprogramma ontwikkeld door het Waterloopkundig Laboratorium. Dit programma maakt onderscheid tussen het dwarstransport (loodrecht op de kustlijn) en het langstransport (evenwijdig aan de kustlijn). Als eerste wordt gekeken naar de effecten van de suppleties op bepaalde stromingsverschijnselen. Sterke stroming en opwoeling van zand op de suppletie zorgen voor veel dwarstransport. Doordat golven gaan breken op de suppleties zal er een sterke langsstroom op de suppleties ontstaan. Deze stroom veroorzaakt zandtransport. Daama zijn de volumes van het getransporteerde zand onderzocht. Er is gekeken naar de transporten onder invloed van een golfveld gedurende 1 jaar. Bij het dwarstransport blijkt dat de suppleties die het dichtst bij de kust liggen het meeste zand naar de kust transporteren. Bij de hoogste suppletie is dit iets minder dan de helft. De suppletie die het verst van de kust af ligt heeft nauwelijks invloed op het zandtransport, deze werkt vooral als golfbreker. Als laatste zijn de gevonden tranSPOrten omgezet naar morfologische veranderingen van de kust. Door dwarstransport verplaatsen de suppleties zich in zeewaartse richting en neemt de hoogte sterk af Hoe dieper de suppletie ligt, hoe kleiner de verplaatsing en hoogte afname… Advisors/Committee Members: Van de Graaff, J. (mentor), Roelvink, J.A. (mentor), Visser, P.J. (mentor), D' Angremond, K. (mentor).

Subjects/Keywords: beach nourishment; coastal morphology; unibest

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Halbertsma, B. (. (1997). Morfologisch gedrag van vooroeversuppleties. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:5e4a30ce-b813-4766-92bd-c1c204691233

Chicago Manual of Style (16^th Edition):

Halbertsma, B (author). “Morfologisch gedrag van vooroeversuppleties.” 1997. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:5e4a30ce-b813-4766-92bd-c1c204691233.

MLA Handbook (7^th Edition):

Halbertsma, B (author). “Morfologisch gedrag van vooroeversuppleties.” 1997. Web. 19 Jan 2021.

Vancouver:

Halbertsma B(. Morfologisch gedrag van vooroeversuppleties. [Internet] [Masters thesis]. Delft University of Technology; 1997. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:5e4a30ce-b813-4766-92bd-c1c204691233.

Council of Science Editors:

Halbertsma B(. Morfologisch gedrag van vooroeversuppleties. [Masters Thesis]. Delft University of Technology; 1997. Available from: http://resolver.tudelft.nl/uuid:5e4a30ce-b813-4766-92bd-c1c204691233

Delft University of Technology

14. Bronsvoort, K. (author); Radermacher, M. (author); Van der Spek, B.J. (author); Spruit, R. (author). Modelling nourishments through the Durban piers: Research of sediment transport and surf conditions.

Degree: Section Hydraulic Engineering, 2011, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:eb2c1f17-9d41-4606-be3c-7f831527ee69

► The Durban bight has a very dynamic and variable coastline which is constantly under attack by the Indian Ocean. To protect the Durban harbour from… (more)

▼ The Durban bight has a very dynamic and variable coastline which is constantly under attack by the Indian Ocean. To protect the Durban harbour from this energetic ocean, already in 1855 breakwaters have been constructed to protect the harbour and prevent sedimentation inside. The construction of these breakwaters and eventually extending these breakwaters towards the sea has influenced the sediment flow in front of the Durban beaches enormously. The natural sediment flow along the coast from South to North has been interrupted and this has changed the surroundings. The beaches of Durban are constantly eroding and nourishments are necessary every year to restore the beaches and preserve the safety of the citizens of Durban. The Durban Harbour has agreed to dredge all the available sand that is trapped by the breakwaters and deliver the sand back into the beach system. The Municipality of Durban has responded to this development by constructing a sand distribution system at the beaches, to nourish the sand in an optimal way. New nourishment pipelines have been constructed through three piers at the central part of the Durban coast to supply the sand directly in the surf zone. Although the rough sea is responsible for the erosion at the beaches, the sea also provides nice surf conditions. If the bathymetry has the right shape, perfect surf waves can appear. A combination of nourishments done by the Durban Harbour and the construction of the new nourishment pipelines can lead to the necessary change in bathymetry, resulting in the perfect surf waves. To investigate the consequences of the nourishments on the surf conditions and the movement of the sediment, a Delft3D computer model has been set up. Different nourishment scenarios have been investigated, as well as the available recorded data regarding the tide, the wave and the wind conditions. The total input data have been reduced in size towards representative parameters and converted to corresponding Delft3D input files. After running the constructed model with different scenarios for a simulation period of 15 days, the results have been checked on two different aspects. First of all the effect of the nourishments through the piers on the bathymetry is analysed. An overview of the most important model outcomes is bundled in the additional document ‘Modelling nourishments through the Durban piers, Figures’. The nourishments tend to move onshore and therefore into the coastal cells between the piers. Offshore transport doesn’t seem to be an issue for the dominant wave conditions, but during north-easterly and north-north-easterly waves it is advised not to carry out nourishments. The just nourished sediment might be transported offshore in that situation. The added sediment is partly used to fill up scour holes just north of each pier, but it also leads to the creation of a shallow area north of the tip of each pier. When every year a volume of 250,000 m3 of sand is supplied to the Durban bight, the coastal cells remain more or less in equilibrium, given that 40% of… Advisors/Committee Members: Vella, G. (contributor).

Subjects/Keywords: South Africa; surf reef; swell; artificial beach nourishment

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Bronsvoort, K. (author); Radermacher, M. (author); Van der Spek, B.J. (author); Spruit, R. (. (2011). Modelling nourishments through the Durban piers: Research of sediment transport and surf conditions. (Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:eb2c1f17-9d41-4606-be3c-7f831527ee69

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Bronsvoort, K. (author); Radermacher, M. (author); Van der Spek, B.J. (author); Spruit, R (author). “Modelling nourishments through the Durban piers: Research of sediment transport and surf conditions.” 2011. Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:eb2c1f17-9d41-4606-be3c-7f831527ee69.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Bronsvoort, K. (author); Radermacher, M. (author); Van der Spek, B.J. (author); Spruit, R (author). “Modelling nourishments through the Durban piers: Research of sediment transport and surf conditions.” 2011. Web. 19 Jan 2021.

Vancouver:

Bronsvoort, K. (author); Radermacher, M. (author); Van der Spek, B.J. (author); Spruit R(. Modelling nourishments through the Durban piers: Research of sediment transport and surf conditions. [Internet] [Thesis]. Delft University of Technology; 2011. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:eb2c1f17-9d41-4606-be3c-7f831527ee69.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Bronsvoort, K. (author); Radermacher, M. (author); Van der Spek, B.J. (author); Spruit R(. Modelling nourishments through the Durban piers: Research of sediment transport and surf conditions. [Thesis]. Delft University of Technology; 2011. Available from: http://resolver.tudelft.nl/uuid:eb2c1f17-9d41-4606-be3c-7f831527ee69

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Delft University of Technology

15. Moyés i Polo, M. (author). Nearshore sand extraction and coastal stability.

Degree: 2000, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:a6575d64-5f54-4f29-8002-08fbcec06dab

► During the second half of this century offshore sand extraction has become commonplace. There has been an important increase of sand demand to use on… (more)

▼ During the second half of this century offshore sand extraction has become commonplace. There has been an important increase of sand demand to use on construction and coastal protection as well as for industrial purposes. On the other hand, the development in the dredging field has helped to the expansion of the process. Since nearshore dredging is an alteration in a very dynamic environment with important consequences, it is sought to find the minimal depth where a trench can be dredged without affecting the coastal stability and neither considers an excessive restriction. The trivial solution would be to extract in deep bottoms, but the price of these operations (they become more expensive with increasing distance offshore) and also sediment availability makes it unrealistic. Is in this context of uses and resources where this work is done. First, trying to recognise which are the potential effects of nearshore dredging on coastal stability and next, looking if there is data enough to prove them. Then, after identifying the main effects, a methodology to prevent these impacts is proposed, i.e. some engineering rules to minimise the impacts and select the zones to be dredged. Theoretically nearshore dredging and the resulting trench can affect the hydrodynamics, the sediment transport and control the coastal behaviour and, as a consequence, the coastal stability, through different mechanisms: the interaction with longshore sediment transport, the beach drawdown, the interception of the onshore sediment transport in the inner shelf, the modification of wave characteristics, the modification of wave's field of velocity and the trench propagation to the coast. There are different depth criterion to prevent each of these impacts but at the same time, the ones associated to some of them are exceeded by others. Thus, the way to select the depth criterion to prevent all of them must be based on the most restrictive one. On the other hand, it has been observed that other impacts just would verify in particular kind of beaches or coasts (e.g. the interception of onshore transport) or within long time scales (e.g. trench propagation) and although potentially they would be able to affect the coastal stability, they will mainly verify in very specific coastal stretches and, in consequence, they are not very common. Finally, and after analysing several reported coastal responses, three effects have been identified as the most likely to happen and therefore, some rules are necessary to be sure they will be avoided: beach drawdown, trench propagation and wave's modification. To avoid the called beach drawdown, trenches should be done seawards of the depth of closure d,. Therefore it is necessary to find this threshold depth of significant vertical changes, but since it has been demonstrated that it is time and space dependant it is not a trivial task. However, a first assessment of the minimum depth can be done using Hallermeier's equation fed by extremal wave conditions, selected to be representative of a return period according… Advisors/Committee Members: Jiménez, J.J. (mentor), Stive, M.J.F. (mentor).

Subjects/Keywords: sand mining; artificial beach nourishment

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Moyés i Polo, M. (. (2000). Nearshore sand extraction and coastal stability. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:a6575d64-5f54-4f29-8002-08fbcec06dab

Chicago Manual of Style (16^th Edition):

Moyés i Polo, M (author). “Nearshore sand extraction and coastal stability.” 2000. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:a6575d64-5f54-4f29-8002-08fbcec06dab.

MLA Handbook (7^th Edition):

Moyés i Polo, M (author). “Nearshore sand extraction and coastal stability.” 2000. Web. 19 Jan 2021.

Vancouver:

Moyés i Polo M(. Nearshore sand extraction and coastal stability. [Internet] [Masters thesis]. Delft University of Technology; 2000. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:a6575d64-5f54-4f29-8002-08fbcec06dab.

Council of Science Editors:

Moyés i Polo M(. Nearshore sand extraction and coastal stability. [Masters Thesis]. Delft University of Technology; 2000. Available from: http://resolver.tudelft.nl/uuid:a6575d64-5f54-4f29-8002-08fbcec06dab

Delft University of Technology

16. Joustra, T.A. (author). Vooroeversuppletie onder deining en windgolven: Toegepast op de Gold Coast, Queensland Australië.

Degree: 2001, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:a0dbd9a9-f02a-48f1-8d89-de326cb08422

► AI sinds jaar en dag worden over de hele wereld strandsuppleties uitgevoerd. Het doel van die strandsuppleties is de verdediging van kusten en de verbetering… (more)

▼ AI sinds jaar en dag worden over de hele wereld strandsuppleties uitgevoerd. Het doel van die strandsuppleties is de verdediging van kusten en de verbetering van de recreatiemogelijkheden. Om die laatste reden is er eind jaren tachtig een vooroeversuppletie uitgevoerd bij de Gold Coast in Queensland, Australie. Het morfologisch gedrag van die suppletie was echter anders dan voorspeld. Behalve de beoogde migratie kustwaarts was er ook een migratie langs de kust waarneembaar. Deze kust wordt gedomineerd door golven die als deining getypeerd kunnen worden. Dit gegeven tezamen met het waargenomen migratiegedrag hebben de vraag opgeroepen wat de morfologische gedragsverschillen en overeenkomsten zijn van zo'n vooroeversuppletie onder deining vergeleken met windgolven. Om dit te onderzoeken is een fictief model opgezet, waarin een rechte kust met evenwijdige dieptelijnen is opgenomen. Hierin is een suppletie ter grootte van 1.5 mln m3 aangebracht, dit komt overeen met de omvang van de suppletie zoals deze destijds bij de Gold Coast uitgevoerd is. Vervolgens is het model vier keer berekend met twee keer twee verschillende golven. De resultaten van de berekeningen zijn per set met elkaar vergeleken zowel op basis van de energieflux als op basis van de tijd. Aandacht is hierbij uitgegaan naar de dwarsen de langstransporten, de dwars- en langsdoorsneden en de volumes van meetvakken die in het simulatiegebied aangebracht zijn. Uit de resultaten bleek dat de twee golven duidelijk verschillende invloed hebben op een vooroeversuppletie. De snelheid waarmee de suppletie onder deining erodeert is veel groter dan onder windgolven. Onder deining vindt een verplaatsing van de kustlijn in zeewaartse richting plaats. Onder windgolven is het langstransport ongeveer gelijk aan dat bij deining. Het verloop over de doorsnede is wel verschillend Onder deining is het dwarstransport groter dan onder windgolven en voornamelijk kustwaarts gericht. Dit in tegenstelling tot windgolven waarbij een wisselend richtingspatroon waarneembaar is. Deining heeft een sterk afvlakkende werking op de suppletie. Dit in tegenstelling tot windgolven waarbij de suppletie een meer permanent karakter heeft. Bij een gegeven situatie, deining of windgolven, is het afhankelijk van het beoogde doel van de suppletie of in de gegeven omstandigheden een vooroeversuppletie een goede oplossing is. Als laatste is vervolgens een case-studie gedaan. Hierbij is getracht de morfologische veranderingen, zoals deze zich voordeden bij de Gold Coast na aanleg van de vooroeversuppletie, te simuleren. De algemene trend zoals deze zich in werkelijkheid voordeed, zijn in de simulatie terug te vinden. Helaas zit er in het simulatie model wet een onvolkomenheid waar de eindresultaten door beinvloed kunnen zijn. Ondanks dit zijn er toch enkele conclusie te trekken aan de hand van dit model. De translatie loodrecht op de kust is het gevolg van de deining. De translatie langs de kust is deels het gevolg van de windgolven maar deels ook het gevolg van de deining. Dit laatste is… Advisors/Committee Members: Roelvink, J.A. (mentor), Van der Schrieck, G.L.M. (mentor), Klopman, G. (mentor), Brakel, J. (mentor), D' Angremond, K. (mentor).

Subjects/Keywords: beach nourishment; Queensland; recreation

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Joustra, T. A. (. (2001). Vooroeversuppletie onder deining en windgolven: Toegepast op de Gold Coast, Queensland Australië. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:a0dbd9a9-f02a-48f1-8d89-de326cb08422

Chicago Manual of Style (16^th Edition):

Joustra, T A (author). “Vooroeversuppletie onder deining en windgolven: Toegepast op de Gold Coast, Queensland Australië.” 2001. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:a0dbd9a9-f02a-48f1-8d89-de326cb08422.

MLA Handbook (7^th Edition):

Joustra, T A (author). “Vooroeversuppletie onder deining en windgolven: Toegepast op de Gold Coast, Queensland Australië.” 2001. Web. 19 Jan 2021.

Vancouver:

Joustra TA(. Vooroeversuppletie onder deining en windgolven: Toegepast op de Gold Coast, Queensland Australië. [Internet] [Masters thesis]. Delft University of Technology; 2001. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:a0dbd9a9-f02a-48f1-8d89-de326cb08422.

Council of Science Editors:

Joustra TA(. Vooroeversuppletie onder deining en windgolven: Toegepast op de Gold Coast, Queensland Australië. [Masters Thesis]. Delft University of Technology; 2001. Available from: http://resolver.tudelft.nl/uuid:a0dbd9a9-f02a-48f1-8d89-de326cb08422

Delft University of Technology

17. Groenewoud, M.D. (author). Three-line modelling of the Terschelling supply.

Degree: 1996, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:b1297138-1f7d-4668-8937-e4a5222b6639

►

In the framework of the NOURTEC project experimental nourishments have been executed. The NOURTEC project is an EU-research project in the scope of the program… (more)

▼

In the framework of the NOURTEC project experimental nourishments have been executed. The NOURTEC project is an EU-research project in the scope of the program for Marine Science and Technology (Mast II). NOURTEC stands for Innovative Nourishment Techniques Evaluation. Full-scale experiments have been carried out in three different countries (Denmark, Germany and the Netherlands). Different nourishment techniques have been applied (i.e. shoreface nourishments and beach nourishments). In the period May to November 1993 a shoreface nourishment was carried out at the coast of Terschelling (the Netherlands). An extensive monitoring program has accompanied this exercise. This study is about the simulation of the evolution of the nourishment with a three-line model. The basic idea of line modelling is that the magnitude of cross-shore transport is proportional to the deviation from the equilibrium shape of the cross-shore proflle. For the modelling the cross-shore profile is schematised in zones. Each zone is characterised by "a line which represents the sediment volume of the zone. Also longshore dispersion is taken into account. Coastal constants which quantify the magnitude of transport in cross and longshore direction have been determined. For that purpose use was made of the available wave and bathymetric data. A study was made of the behaviour of the coast prior to the nourishment. The autonomous behaviour was taken into account for determining the shoreface nourishment behaviour. A comparison between measured development and calculations with the three linemodel shows that there are similarities but also considerable differences. One of the difficulties is how to distinguish between autonomous proflle development and profile development caused by the nourishment. The behaviour of the nourishment is partly understood by the model runs. The calculated development of the upper zone is very similar to the measured development. The results for the middle zone are less good. The three-line model will in principle predict symmetrical proflle development in longshore direction in case of an alongshore symmetrical supply. From observations it is clear that the nourishment is moving eastward. This can not be modelled with the present three-line model. The differences between measured and calculated development in the lower zone are also considerable. The research has yielded an increased insight in the complex behaviour of the shoreface nourishment along the coast of Terschelling.

Hydraulic Engineering

Civil Engineering and Geosciences

Advisors/Committee Members: Van de Graaff, J. (mentor), Spanhoff, R. (mentor).

Subjects/Keywords: beach nourishment; replenishment; coastline stability

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Groenewoud, M. D. (. (1996). Three-line modelling of the Terschelling supply. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:b1297138-1f7d-4668-8937-e4a5222b6639

Chicago Manual of Style (16^th Edition):

Groenewoud, M D (author). “Three-line modelling of the Terschelling supply.” 1996. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:b1297138-1f7d-4668-8937-e4a5222b6639.

MLA Handbook (7^th Edition):

Groenewoud, M D (author). “Three-line modelling of the Terschelling supply.” 1996. Web. 19 Jan 2021.

Vancouver:

Groenewoud MD(. Three-line modelling of the Terschelling supply. [Internet] [Masters thesis]. Delft University of Technology; 1996. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:b1297138-1f7d-4668-8937-e4a5222b6639.

Council of Science Editors:

Groenewoud MD(. Three-line modelling of the Terschelling supply. [Masters Thesis]. Delft University of Technology; 1996. Available from: http://resolver.tudelft.nl/uuid:b1297138-1f7d-4668-8937-e4a5222b6639

Delft University of Technology

18. Joustra, T.A. (author). Vooroeversuppletie onder deining en windgolven: Toegepast op de Gold Coast, Queensland Australië.

Degree: 2001, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:4994c5f9-245c-4468-b59c-c493e810b30a

► AI sinds jaar en dag worden over de hele wereld strandsuppleties uitgevoerd. Het doel van die strandsuppleties is de verdediging van kusten en de verbetering… (more)

▼ AI sinds jaar en dag worden over de hele wereld strandsuppleties uitgevoerd. Het doel van die strandsuppleties is de verdediging van kusten en de verbetering van de recreatiemogelijkheden. Om die laatste reden is er eind jaren tachtig een vooroeversuppletie uitgevoerd bij de Gold Coast in Queensland, Australie. Het morfologisch gedrag van die suppletie was echter anders dan voorspeld. Behalve de beoogde migratie kustwaarts was er ook een migratie langs de kust waarneembaar. Deze kust wordt gedomineerd door golven die als deining getypeerd kunnen worden. Dit gegeven tezamen met het waargenomen migratiegedrag hebben de vraag opgeroepen wat de morfologische gedragsverschillen en overeenkomsten zijn van zo'n vooroeversuppletie onder deining vergeleken met windgolven. Om dit te onderzoeken is een fictief model opgezet, waarin een rechte kust met evenwijdige dieptelijnen is opgenomen. Hierin is een suppletie ter grootte van 1.5 mln m3 aangebracht, dit komt overeen met de omvang van de suppletie zoals deze destijds bij de Gold Coast uitgevoerd is. Vervolgens is het model vier keer berekend met twee keer twee verschillende golven. De resultaten van de berekeningen zijn per set met elkaar vergeleken zowel op basis van de energieflux als op basis van de tijd. Aandacht is hierbij uitgegaan naar de dwarsen de langstransporten, de dwars- en langsdoorsneden en de volumes van meetvakken die in het simulatiegebied aangebracht zijn. Uit de resultaten bleek dat de twee golven duidelijk verschillende invloed hebben op een vooroeversuppletie. De snelheid waarmee de suppletie onder deining erodeert is veel groter dan onder windgolven. Onder deining vindt een verplaatsing van de kustlijn in zeewaartse richting plaats. Onder windgolven is het langstransport ongeveer gelijk aan dat bij deining. Het verloop over de doorsnede is wel verschillend Onder deining is het dwarstransport groter dan onder windgolven en voornamelijk kustwaarts gericht. Dit in tegenstelling tot windgolven waarbij een wisselend richtingspatroon waarneembaar is. Deining heeft een sterk afvlakkende werking op de suppletie. Dit in tegenstelling tot windgolven waarbij de suppletie een meer permanent karakter heeft. Bij een gegeven situatie, deining of windgolven, is het afhankelijk van het beoogde doel van de suppletie of in de gegeven omstandigheden een vooroeversuppletie een goede oplossing is. Als laatste is vervolgens een case-studie gedaan. Hierbij is getracht de morfologische veranderingen, zoals deze zich voordeden bij de Gold Coast na aanleg van de vooroeversuppletie, te simuleren. De algemene trend zoals deze zich in werkelijkheid voordeed, zijn in de simulatie terug te vinden. Helaas zit er in het simulatie model wet een onvolkomenheid waar de eindresultaten door beinvloed kunnen zijn. Ondanks dit zijn er toch enkele conclusie te trekken aan de hand van dit model. De translatie loodrecht op de kust is het gevolg van de deining. De translatie langs de kust is deels het gevolg van de windgolven maar deels ook het gevolg van de deining. Dit laatste is… Advisors/Committee Members: Roelvink, J.A. (mentor), Van der Schrieck, G.L.M. (mentor), Klopman, G. (mentor), Brakel, J. (mentor), D' Angremond, K. (mentor).

Subjects/Keywords: beach nourishment; Queensland; recreation

Record Details Similar Records Cite « Share

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Joustra, T. A. (. (2001). Vooroeversuppletie onder deining en windgolven: Toegepast op de Gold Coast, Queensland Australië. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:4994c5f9-245c-4468-b59c-c493e810b30a

Chicago Manual of Style (16^th Edition):

Joustra, T A (author). “Vooroeversuppletie onder deining en windgolven: Toegepast op de Gold Coast, Queensland Australië.” 2001. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:4994c5f9-245c-4468-b59c-c493e810b30a.

MLA Handbook (7^th Edition):

Joustra, T A (author). “Vooroeversuppletie onder deining en windgolven: Toegepast op de Gold Coast, Queensland Australië.” 2001. Web. 19 Jan 2021.

Vancouver:

Joustra TA(. Vooroeversuppletie onder deining en windgolven: Toegepast op de Gold Coast, Queensland Australië. [Internet] [Masters thesis]. Delft University of Technology; 2001. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:4994c5f9-245c-4468-b59c-c493e810b30a.

Council of Science Editors:

Joustra TA(. Vooroeversuppletie onder deining en windgolven: Toegepast op de Gold Coast, Queensland Australië. [Masters Thesis]. Delft University of Technology; 2001. Available from: http://resolver.tudelft.nl/uuid:4994c5f9-245c-4468-b59c-c493e810b30a

Delft University of Technology

19. Koster, M. (author). Literatuurstudie m.b.t. zandsuppletie van kusten.

Degree: 1980, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:fd501f31-c2f5-4458-80fb-0cc3a322de68

Summaries of references on beach nourishment.

Hydraulic Engineering

Civil Engineering and Geosciences

Advisors/Committee Members: Bijker, E.W. (mentor).

Subjects/Keywords: zandsuppletie; stranssuppletie; beach nourishment

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Koster, M. (. (1980). Literatuurstudie m.b.t. zandsuppletie van kusten. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:fd501f31-c2f5-4458-80fb-0cc3a322de68

Chicago Manual of Style (16^th Edition):

Koster, M (author). “Literatuurstudie m.b.t. zandsuppletie van kusten.” 1980. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:fd501f31-c2f5-4458-80fb-0cc3a322de68.

MLA Handbook (7^th Edition):

Koster, M (author). “Literatuurstudie m.b.t. zandsuppletie van kusten.” 1980. Web. 19 Jan 2021.

Vancouver:

Koster M(. Literatuurstudie m.b.t. zandsuppletie van kusten. [Internet] [Masters thesis]. Delft University of Technology; 1980. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:fd501f31-c2f5-4458-80fb-0cc3a322de68.

Council of Science Editors:

Koster M(. Literatuurstudie m.b.t. zandsuppletie van kusten. [Masters Thesis]. Delft University of Technology; 1980. Available from: http://resolver.tudelft.nl/uuid:fd501f31-c2f5-4458-80fb-0cc3a322de68

Florida Atlantic University

20. Seaman, Heather A. The impacts of nest microenvironment on sea turtle hatchling performance and their responses to thermal stress.

Degree: MS, 2020, Florida Atlantic University

URL: http://fau.digital.flvc.org/islandora/object/fau:44453

►

As climate change threatens with sea-level rise and more storms, increased erosion could increase the need for beach nourishment. Alterations to sand characteristics may result… (more)

Subjects/Keywords: Sea turtles – Nests; Thermal stress (Biology); Sea turtles – Conservation; Beach nourishment

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APA (6^th Edition):

Seaman, H. A. (2020). The impacts of nest microenvironment on sea turtle hatchling performance and their responses to thermal stress. (Masters Thesis). Florida Atlantic University. Retrieved from http://fau.digital.flvc.org/islandora/object/fau:44453

Chicago Manual of Style (16^th Edition):

Seaman, Heather A. “The impacts of nest microenvironment on sea turtle hatchling performance and their responses to thermal stress.” 2020. Masters Thesis, Florida Atlantic University. Accessed January 19, 2021. http://fau.digital.flvc.org/islandora/object/fau:44453.

MLA Handbook (7^th Edition):

Seaman, Heather A. “The impacts of nest microenvironment on sea turtle hatchling performance and their responses to thermal stress.” 2020. Web. 19 Jan 2021.

Vancouver:

Seaman HA. The impacts of nest microenvironment on sea turtle hatchling performance and their responses to thermal stress. [Internet] [Masters thesis]. Florida Atlantic University; 2020. [cited 2021 Jan 19]. Available from: http://fau.digital.flvc.org/islandora/object/fau:44453.

Council of Science Editors:

Seaman HA. The impacts of nest microenvironment on sea turtle hatchling performance and their responses to thermal stress. [Masters Thesis]. Florida Atlantic University; 2020. Available from: http://fau.digital.flvc.org/islandora/object/fau:44453

Delft University of Technology

21. Klein, A.H. (author); De Menezes, J.T. (author); Sperb, R.S. (author); Siegle, E. (author); Fontura, R. (author); Van de Graaff, J. (author); Stive, M.J.F. (author); Van der Schrieck, G.L.M. (author). Beach Nourishment and Artificial Surf Reef.

Degree: 2004, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:5d0793b2-354c-40ef-be52-a2942dc47c70

► Balneário Camboriú is a very touristy city in southern Brazil, situated in the five kilometer wide Camboriú Bay. Its main tourist attraction is the beach,… (more)

▼ Balneário Camboriú is a very touristy city in southern Brazil, situated in the five kilometer wide Camboriú Bay. Its main tourist attraction is the beach, which is 5800 m long and rather narrow with a dry width of 10 to 20 m. The city is facing several problems regarding the beach that have a negative impact on tourism. The main problems are: the beach is overcrowded in summer and becomes entirely shaded in the mid-afternoon due to the many high-rise buildings along the beach. To resolve these problems the municipality of Balneário Camboriú wants to nourish the beach to a width of 100 m. The preliminary design of the beach nourishment was made by the Danish Hydraulic Institute DHI, who based their design on data measured by the Brazilian Hydraulic Institute INPH. The Vale do Itajaí University (UNIVALI) in Itajaí, eight kilometer north of Balneário Camboriú, thinks the design of DHI is incomplete and based on inappropriate data and fears that the municipality of Balneário Camboriú will carry out the proposed beach nourishment any without further investigation. In this project the design of DHI has been analysed and a new design of the nourishment has been made. First the morphodynamics of Camboriú Bay have been studied. The bay can be defined as a headland-bay with a parabolically shaped beach between two protruding headlands, formed by energetic swell waves from the southeast. The beach planform is in dynamic and close to static equilibrium, which means it is stable as long as sediment supply is maintained. Because the bay is rather indented, there is no sediment exchange with the surrounding area. The tide in Camboriú Bay has a small range and little influence, inducing very small currents. Therefore the beach of Balneário Carnboriú is wave dominated, except for the south, which is more sheltered from incoming waves. The beach has a very gentle slope and can be classified as dissipative. After the study of the morphodynamics the data needed for the design of the nourishment have been investigated. The DHI design is based on data from INPH, which has done measurements of the bathymetry, grain sizes, cross-shore beach profiles and waves in Camboriú Bay. UNIVALI has also done measurements of these parameters and, except for the bathymetry, both data show several differences. Considering the grain size, the results of INPH show a larger and more constant median sand diameter than the results of UNIVALI. The results of UNIVALI seem to be more reliable, because they took more samples, they are more experienced with measurements in Camboriú Bay and they measured a significantly smaller grain size in the south of the bay, with is plausible because in that area a small river, Rio Camboriú, flows into the bay. The cross-shore beach profiles measured by UNIVALI extend much further seawards than the ones measured by INPH, which only take a small part of the area that is influenced by the waves into account. Since for a beach nourishment the whole area where waves have influence on the cross-shore profile is important, again the…

Subjects/Keywords: Balneário Camboriú; nourishment; beach nourishment; artificial surf reef; beach design

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APA (6^th Edition):

Klein, A.H. (author); De Menezes, J.T. (author); Sperb, R.S. (author); Siegle, E. (author); Fontura, R. (author); Van de Graaff, J. (author); Stive, M.J.F. (author); Van der Schrieck, G. L. M. (. (2004). Beach Nourishment and Artificial Surf Reef. (Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:5d0793b2-354c-40ef-be52-a2942dc47c70

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Klein, A.H. (author); De Menezes, J.T. (author); Sperb, R.S. (author); Siegle, E. (author); Fontura, R. (author); Van de Graaff, J. (author); Stive, M.J.F. (author); Van der Schrieck, G L M (author). “Beach Nourishment and Artificial Surf Reef.” 2004. Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:5d0793b2-354c-40ef-be52-a2942dc47c70.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Klein, A.H. (author); De Menezes, J.T. (author); Sperb, R.S. (author); Siegle, E. (author); Fontura, R. (author); Van de Graaff, J. (author); Stive, M.J.F. (author); Van der Schrieck, G L M (author). “Beach Nourishment and Artificial Surf Reef.” 2004. Web. 19 Jan 2021.

Vancouver:

Klein, A.H. (author); De Menezes, J.T. (author); Sperb, R.S. (author); Siegle, E. (author); Fontura, R. (author); Van de Graaff, J. (author); Stive, M.J.F. (author); Van der Schrieck GLM(. Beach Nourishment and Artificial Surf Reef. [Internet] [Thesis]. Delft University of Technology; 2004. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:5d0793b2-354c-40ef-be52-a2942dc47c70.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Klein, A.H. (author); De Menezes, J.T. (author); Sperb, R.S. (author); Siegle, E. (author); Fontura, R. (author); Van de Graaff, J. (author); Stive, M.J.F. (author); Van der Schrieck GLM(. Beach Nourishment and Artificial Surf Reef. [Thesis]. Delft University of Technology; 2004. Available from: http://resolver.tudelft.nl/uuid:5d0793b2-354c-40ef-be52-a2942dc47c70

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

NSYSU

22. Yu, Meng-Jiuan. Establishing a Coastal Protection and Planning System in Taiwan.

Degree: PhD, Marine Environment and Engineering, 2011, NSYSU

URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0905111-113935

► In the last few decades, academic and institutions advanced in coastal research in Europe and America have rigorously engaged in developing numerical models for coastal… (more)

▼ In the last few decades, academic and institutions advanced in coastal research in Europe and America have rigorously engaged in developing numerical models for coastal wave hydrodynamic simulations. The notable products include MIKE21 from DHI in Denmark, CEDAS (with GENESIS and SBEACH) from Veri-Tech in the United States, and the SMC from University of Cantabria in Spain. Among them, the Spanish Coastal Modeling System (SMC) is the only integrated package for coastal planning and modeling. With a unique preprocess module which pre-stores the bathymetry and wave data, the SMC provides a user-friendly interface directly using the screen display for a series of coastal planning and design applications which comprise artificial nourishment with headland-bay beach, breakwater construction and extension, and dredging of navigation channel etc., as well as the usual wave-current simulation for countermeasures in coastal protection and disaster mitigation. Despite the availability of several numerical programs for wave-current simulations and beach changes that have been developed by the coastal professional in Taiwan, and the continuous effort of the Water Resources Agency, Ministry of Economic Affairs to establish a national coastal database, it is imperative to develop/setup an integrated bathymetry-hydrodynamics-protection system, such as the Spanish SMC, as the key element in the national platform for coastal planning and modeling. This dissertation first describes the coastal environment in Taiwan, major causes for shoreline evolution and then reviews the history of shore protection since 1970s, together with the current prospective for coastal environment and strategies to sustain the natural shoreline ratio. To accomplish these goals, the Water Resources Agency has endeavored to implement artificial nourishment with headland-bay beaches, in order to raise the ratio of natural shoreline, in addition to establish a national coastal planning and simulation platform. As a response to this call for eco-engineering approach, we recommend that headland-bay beach in static equilibrium be adopted for mitigating coastal erosion, beach restoration and creation of recreational beaches, which can be designed directly on the screen using the empirical bay shape equation in conjunction with the SMC. Based on the framework of the Spanish SMC, this writer has successfully attempted the preliminary pre-process module of Baco (bathymetry) and Odin (wave climate) for Taiwan, using data from digitized nautical charts, nearshore depth surveys, and long-term wave observation results around Taiwan from the International Comprehensive Ocean-Atmosphere Data Set (ICOADS). The effort generates the first version of SMC in Taiwan. Having pre-stored the bathymetry and wave data for Dapeng bay in Pingtung County and Sizihwan Bay in Kaohsiung City, a series of coastal planning and modeling procedures for these two model sites are demonstrated in this dissertation, including a series of calculations of wave-current distribution for monsoon and… Advisors/Committee Members: none (chair), John R-C Hsu (committee member), none (chair), none (chair), none (chair), none (chair).

Subjects/Keywords: wave-current simulation; SMC; Shore protection; Coastal planning platform; Beach nourishment; Headland-bay beach in static equilibrium

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Yu, M. (2011). Establishing a Coastal Protection and Planning System in Taiwan. (Doctoral Dissertation). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0905111-113935

Chicago Manual of Style (16^th Edition):

Yu, Meng-Jiuan. “Establishing a Coastal Protection and Planning System in Taiwan.” 2011. Doctoral Dissertation, NSYSU. Accessed January 19, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0905111-113935.

MLA Handbook (7^th Edition):

Yu, Meng-Jiuan. “Establishing a Coastal Protection and Planning System in Taiwan.” 2011. Web. 19 Jan 2021.

Vancouver:

Yu M. Establishing a Coastal Protection and Planning System in Taiwan. [Internet] [Doctoral dissertation]. NSYSU; 2011. [cited 2021 Jan 19]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0905111-113935.

Council of Science Editors:

Yu M. Establishing a Coastal Protection and Planning System in Taiwan. [Doctoral Dissertation]. NSYSU; 2011. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0905111-113935

Delft University of Technology

23. Ten Ham, D. (author); Henrotte, J. (author); Kraaijeveld, R. (author); Milosevic, M. (author). Erosion Negril Beach.

Degree: Section Hydraulic Engineering, 2006, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:0e3ccceb-f095-4e98-b651-586b0b050f24

►

The ongoing erosion of the Negril Beach has become worse the past decade. In most places along the coast line, the beach will be gone… (more)

▼

The ongoing erosion of the Negril Beach has become worse the past decade. In most places along the coast line, the beach will be gone in approximately 10 years. This will result in a major decrease of incomes that are made by the local tourist sector. To prevent the erosion this study has been performed to find a feasible and affordable solution. An important part of the study is the literature research since several other parties had investigated different aspects of the erosion problem recently. Before any solutions can be brought up different aspects have to be investigated. These are a clear view of the actual problem, a good knowledge of the environment, profiles of the coastline, current patterns and sea grass locations to avoid environmental damage as much as possible. Data was collected during two field trips to Negril in the end of 2006. After collecting this data an analysis was made using different computer models as LITPACK (sediment transport), SWAN (waves) and RMA (currents). The data analysis shows that the primary concern is the erosion at Long Bay since the erosion in Bloody Bay is not that severe. Possible solutions are generated and their validity has been checked. Five alternatives can be distinguished: zero-alternative, nourishment, series of near-shore breakwaters, off shore reef extension and a combination of all. Using a Multi Criteria Analyses (MCA), that ranks solutions by their desired effects (without including costs), objectively the 'best' solution is found. The solution that scores best at our criteria is beach nourishment along Long Bay. When costs are taken into account, this solution seems to be the most efficient. Costs are estimated US$7,000,000. The final recommendation is to execute beach nourishment only at Long Bay. This solution is relatively affordable and shows the highest score in the MCA. The implementation of this solution results in a minimum beach width of about 10 meters for 20 years, about 30 meters in the year of execution. According to local divers the required sand can be found 2km offshore at the beginning of the outer shell. Beside of that it is recommended to perform a separate investigation concerning the water quality to deal with the algae contamination.

Hydraulic Engineering

Civil Engineering and Geosciences

Subjects/Keywords: Jamaica; Beach stability; coastal erosion; artificial beach nourishment

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APA (6^th Edition):

Ten Ham, D. (author); Henrotte, J. (author); Kraaijeveld, R. (author); Milosevic, M. (. (2006). Erosion Negril Beach. (Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:0e3ccceb-f095-4e98-b651-586b0b050f24

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ten Ham, D. (author); Henrotte, J. (author); Kraaijeveld, R. (author); Milosevic, M (author). “Erosion Negril Beach.” 2006. Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:0e3ccceb-f095-4e98-b651-586b0b050f24.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ten Ham, D. (author); Henrotte, J. (author); Kraaijeveld, R. (author); Milosevic, M (author). “Erosion Negril Beach.” 2006. Web. 19 Jan 2021.

Vancouver:

Ten Ham, D. (author); Henrotte, J. (author); Kraaijeveld, R. (author); Milosevic M(. Erosion Negril Beach. [Internet] [Thesis]. Delft University of Technology; 2006. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:0e3ccceb-f095-4e98-b651-586b0b050f24.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ten Ham, D. (author); Henrotte, J. (author); Kraaijeveld, R. (author); Milosevic M(. Erosion Negril Beach. [Thesis]. Delft University of Technology; 2006. Available from: http://resolver.tudelft.nl/uuid:0e3ccceb-f095-4e98-b651-586b0b050f24

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Delft University of Technology

24. Kersting, N.F. (author). Pilot study concerning the behaviour of coastal supply on the Dutch Wadden Island of Terschelling.

Degree: 1995, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:2e97c402-996f-4dfe-9278-85c4623770f5

►

In 1993 an artificial sand nourishment was carried out at the coast of Terschelling. The total amount of supply was deposited in a trough between… (more)

Subjects/Keywords: beach nourishment; zandsuppletie; beach replenishment; longshore transport

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Kersting, N. F. (. (1995). Pilot study concerning the behaviour of coastal supply on the Dutch Wadden Island of Terschelling. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:2e97c402-996f-4dfe-9278-85c4623770f5

Chicago Manual of Style (16^th Edition):

Kersting, N F (author). “Pilot study concerning the behaviour of coastal supply on the Dutch Wadden Island of Terschelling.” 1995. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:2e97c402-996f-4dfe-9278-85c4623770f5.

MLA Handbook (7^th Edition):

Kersting, N F (author). “Pilot study concerning the behaviour of coastal supply on the Dutch Wadden Island of Terschelling.” 1995. Web. 19 Jan 2021.

Vancouver:

Kersting NF(. Pilot study concerning the behaviour of coastal supply on the Dutch Wadden Island of Terschelling. [Internet] [Masters thesis]. Delft University of Technology; 1995. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:2e97c402-996f-4dfe-9278-85c4623770f5.

Council of Science Editors:

Kersting NF(. Pilot study concerning the behaviour of coastal supply on the Dutch Wadden Island of Terschelling. [Masters Thesis]. Delft University of Technology; 1995. Available from: http://resolver.tudelft.nl/uuid:2e97c402-996f-4dfe-9278-85c4623770f5

NSYSU

25. Wu, Hong-Mo. Integrated Coastal Planning and Protection at Cijin, Kaohsiung.

Degree: PhD, Marine Environment and Engineering, 2015, NSYSU

URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0425115-143624

► Changes in coastal environment are the balancing process of nature. However, most of the constructions on the coast affect the environment, cause erosion and further… (more)

▼ Changes in coastal environment are the balancing process of nature. However, most of the constructions on the coast affect the environment, cause erosion and further impair peopleâs right of access to the water due to lacking in understanding the coastal changes. In the past decade, the author of this dissertation has worked on coastal protection and restoration for Kaohsiung, including Cijin coastal restoration and Sizihwan landscape improvement etc., and provided new thoughts for the domestic planners dealing with coastal environment. Affected by recent coastal development and environmental changes in Kaohsiung, Cijin coast has suffered serious erosion. Besides, drowning accidence often occurs caused by rip currents. In order to preserve this beautiful beach with a time-honored history, Kaohsiung City Government commenced the âCijin Coastline Protection Projectâ in 2009, the first domestic coastal restoration project employing offshore submerged breakwaters. The project was successfully completed in July 2013. In this study, numerical tools (GENESIS, MIKE 21) and hydraulic model tests were adopted to investigate littoral drift issue, formulate beach stabilization policy, and evaluate the effects of beach nourishment. The results showed that predominant direction is northward during the prevailing wave season. At Cihou Mountain, wave deflects offshore, and deposits sediment into the navigation channel at the end of southern breakwater for the Kaohsiung First Harbor. Therefore, the best beach stabilization scheme for Cijin coast is to apply offshore submerged breakwaters (or with offshore breakwaters) cooperating with beach nourishment. In this way, the erosion at Cijin can be mitigated, as well as the speed of rip currents, and the safety of all beach users can be insured. As to the evaluation of beach nourishment, the results indicated that it was necessary to integrate the project with beach nourishment, otherwise the native beach sediment in the gap between the submerged break waters would be transported in their lee, thus causing adverse effect to the beach. Upon the completion of the Cijin Coast Protection Project, the overall coastal environment, including submerged breakwaters, offshore breakwaters, the bathing beach, the coastal landscape trail, and the sea-lookout platform all together expand the recreational space from the land to the seaside by connecting with the existing coastal park. It has also enhanced the opportunities for the tourism industry and accelerated the development of service industry in Cijin area. The work described in this report not only initiates a domestic pioneer project of coastal protection, but also serves as an indicator of significance. Advisors/Committee Members: Yang-Yih Chen (committee member), Ming-chung Lin (chair), J.R.C Hsu (committee member), Chung-Pan Lee (chair), Hwung-hweng Hwung (chair), Liang-Sheng Ho (chair), S S Hsiao (chair).

Subjects/Keywords: Coastal Protection; Beach Nourishment; Coastal Erosion; Kaohsiung Coastal Environment Development; Submerged Breakwaters

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Wu, H. (2015). Integrated Coastal Planning and Protection at Cijin, Kaohsiung. (Doctoral Dissertation). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0425115-143624

Chicago Manual of Style (16^th Edition):

Wu, Hong-Mo. “Integrated Coastal Planning and Protection at Cijin, Kaohsiung.” 2015. Doctoral Dissertation, NSYSU. Accessed January 19, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0425115-143624.

MLA Handbook (7^th Edition):

Wu, Hong-Mo. “Integrated Coastal Planning and Protection at Cijin, Kaohsiung.” 2015. Web. 19 Jan 2021.

Vancouver:

Wu H. Integrated Coastal Planning and Protection at Cijin, Kaohsiung. [Internet] [Doctoral dissertation]. NSYSU; 2015. [cited 2021 Jan 19]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0425115-143624.

Council of Science Editors:

Wu H. Integrated Coastal Planning and Protection at Cijin, Kaohsiung. [Doctoral Dissertation]. NSYSU; 2015. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0425115-143624

Universidade do Rio Grande do Sul

26. Andrade, Carla Danielle Pereira de. Áreas potenciais à exploração de granulados marinhos siliciclásticos para a recuperação artificial de praias na plataforma continental interna adjacente ao Porto do Recife-PE.

Degree: 2013, Universidade do Rio Grande do Sul

URL: http://hdl.handle.net/10183/72105

►

O mapeamento da Plataforma Continental Interna visando localização, qualificação e quantificação das reservas de material litoclásticos marinho possui poucos trabalhos relacionados. O Estado de Pernambuco… (more)

▼

O mapeamento da Plataforma Continental Interna visando localização, qualificação e quantificação das reservas de material litoclásticos marinho possui poucos trabalhos relacionados. O Estado de Pernambuco sofre com erosões ao longo de todo seu litoral, e principalmente junto às cidades de Recife e Olinda. Assim, este estudo contribui tanto para o conhecimento da sedimentologia da plataforma continental interna adjacente ao Porto do Recife e à Praia dos Milagres em Olinda, quanto para a execução de futuras intervenções na recuperação das praias da região. Portanto, com objetivo de identificar áreas com concentrações de granulados litoclásticos marinhos compatíveis com especificações necessárias à regeneração de praias, foram analisadas 36 amostras, que foram coletadas ao longo de seis perfis equidistantes em 1 km, perpendiculares à linha de costa na plataforma interna do Porto do Recife. Em laboratório foram realizadas análises granulométricas e o estudo composicional de todas as amostras. Os resultados granulométricos mostram a predominância de sedimentos mal selecionados, ocorrendo classes variadas de tamanho entre seixo pequeno (8 mm) e lama (< que 0,062 mm), com predominância da fração areia grossa. A análise composicional revelou uma hegemonia de carbonatos marinhos. Os dados obtidos apresentam uma redução do suprimento sedimentar terrígeno local. Também de acordo com os resultados obtidos no presente estudo, a plataforma continental interna adjacente ao Porto do Recife e à praia dos Milagres em Olinda-PE, é essencialmente recoberta por areias biogênicas mal selecionadas, oriundas da morte e fragmentação dos organismos componentes dos recifes coralíneos e algálicos que ocorrem na plataforma continental interna. Dessa forma, esta área não possui material siliciclástico suficiente para ser utilizado na exploração mineral para recuperação artificial de praias no Estado de Pernambuco.

There are few studies that map the Internal Continental Platform referring to localization, qualification and quantification of reserves of litoclastic marine material. The Brazilian state Pernambuco suffers from erosions along the whole coast and particularly in areas close to the cities of Recife and Olinda. This study offers new knowledge about the sedimentology of the internal continental platform adjacent to the harbor of Recife and the Beach Milagres in Olinda. Furthermore, it points out measures that can be used to recover regional beaches. Along 6 profiles with a distance of 1km and perpendicular to the coast line at the internal platform of the harbor of Recife, 36 samples were collected and analyzed. Thus, areas with concentrations of litoclastic marine aggregates with the necessary characteristics for the recovery of the beaches were identified. A laboratory was used for granulometry and a compositional study of all samples. The granulometric results show mainly badly selected sediments. There are different sizes from small pebbles (8 mm) to mud (< than 0,062 mm), predominantly coarse sand fraction. The compositional…

Advisors/Committee Members: Barboza, Eduardo Guimaraes.

Subjects/Keywords: Sedimentology; Geologia; Sedimentologia marinha; Continental platform; Plataforma continental; Beach nourishment; Recife (PE)

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APA (6^th Edition):

Andrade, C. D. P. d. (2013). Áreas potenciais à exploração de granulados marinhos siliciclásticos para a recuperação artificial de praias na plataforma continental interna adjacente ao Porto do Recife-PE. (Thesis). Universidade do Rio Grande do Sul. Retrieved from http://hdl.handle.net/10183/72105

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Andrade, Carla Danielle Pereira de. “Áreas potenciais à exploração de granulados marinhos siliciclásticos para a recuperação artificial de praias na plataforma continental interna adjacente ao Porto do Recife-PE.” 2013. Thesis, Universidade do Rio Grande do Sul. Accessed January 19, 2021. http://hdl.handle.net/10183/72105.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Andrade, Carla Danielle Pereira de. “Áreas potenciais à exploração de granulados marinhos siliciclásticos para a recuperação artificial de praias na plataforma continental interna adjacente ao Porto do Recife-PE.” 2013. Web. 19 Jan 2021.

Vancouver:

Andrade CDPd. Áreas potenciais à exploração de granulados marinhos siliciclásticos para a recuperação artificial de praias na plataforma continental interna adjacente ao Porto do Recife-PE. [Internet] [Thesis]. Universidade do Rio Grande do Sul; 2013. [cited 2021 Jan 19]. Available from: http://hdl.handle.net/10183/72105.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Andrade CDPd. Áreas potenciais à exploração de granulados marinhos siliciclásticos para a recuperação artificial de praias na plataforma continental interna adjacente ao Porto do Recife-PE. [Thesis]. Universidade do Rio Grande do Sul; 2013. Available from: http://hdl.handle.net/10183/72105

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Delft University of Technology

27. Kaput, N. (author); Koenis, M.P.T. (author); Nooij, R. (author); Sikkema, T. (author). Erosion of the beach of Historic Varadero, Cuba.

Degree: Section Hydraulic Engineering, 2007, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:68c96121-6a35-4fde-bf73-1659adb72435

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Master project report. This report handles the erosion problems on the main tourist resort of Cuba, Varadero, situated on the Peninsula de Hicacos. With a… (more)

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Master project report. This report handles the erosion problems on the main tourist resort of Cuba, Varadero, situated on the Peninsula de Hicacos. With a length of 22 km, a maximum width of 500 m, The Peninsula de Hicacos constitutes a natural barrier separating the shallow waters of Cardenas Bay from the Florida Strait (Figure 1-3). Measurements in the past decades have indicated a local coastal regression of 1.2 mjyear on this peninsula, endangering future tourist activity and structures on the beach. The main objectives of this research are to make an analysis of the erosion and to find a way to protect the Peninsula de Hicacos from future structural erosion. First, extensive research to the history and characteristics of the peninsula is done, provid ing information on i.e. former research, bathymetry and sand characteristics. After that, possible causes for the erosion problems on the whole peninsula are identified. Identified possible causes are longshore transport gradients, sediment transportation by wind, reduction of the input of sand by the Algae Halimeda, global sea level rise and sand mining in the past. To investigate the possible causes on its' significance, they are quantified . The longshore transport is quantified by using a software model called : UNIBEST, which was used after computations by hand with the formulas of BIJKER, CERC and QUEENS to verify the model and to get insight in the matter. The mean longshore sediment transport capacity found along the coast was about 100,OOOm3 per year (varying between 89,000 and 134,000 m3 per year along the coast). Wind causes about 175,000 m3 of sand of the peninsula to move landward per year (using CRESS), but as it is not clear how much sand is trapped in the dunes no estimation can be done about the amount of sediment that is lost by wind transport. The input of sediment by the Algae Halimeda is neglected in this research as no sensible estimation can be given, and neglecting is the most conservative approach. Global sea level rise causes a coastal regression of 0.132 m/year, resulting in a loss of sand of 11,500 m3 of the peninsula per year. Sand mining in the past could have influenced the erosion problems, but as it is almost 30 years ago, it does not cause extra erosion nowadays.

Hydraulic Engineering

Civil Engineering and Geosciences

Subjects/Keywords: Cuba; artificial beach nourishment; coastal protection

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APA (6^th Edition):

Kaput, N. (author); Koenis, M.P.T. (author); Nooij, R. (author); Sikkema, T. (. (2007). Erosion of the beach of Historic Varadero, Cuba. (Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:68c96121-6a35-4fde-bf73-1659adb72435

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Kaput, N. (author); Koenis, M.P.T. (author); Nooij, R. (author); Sikkema, T (author). “Erosion of the beach of Historic Varadero, Cuba.” 2007. Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:68c96121-6a35-4fde-bf73-1659adb72435.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Kaput, N. (author); Koenis, M.P.T. (author); Nooij, R. (author); Sikkema, T (author). “Erosion of the beach of Historic Varadero, Cuba.” 2007. Web. 19 Jan 2021.

Vancouver:

Kaput, N. (author); Koenis, M.P.T. (author); Nooij, R. (author); Sikkema T(. Erosion of the beach of Historic Varadero, Cuba. [Internet] [Thesis]. Delft University of Technology; 2007. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:68c96121-6a35-4fde-bf73-1659adb72435.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Kaput, N. (author); Koenis, M.P.T. (author); Nooij, R. (author); Sikkema T(. Erosion of the beach of Historic Varadero, Cuba. [Thesis]. Delft University of Technology; 2007. Available from: http://resolver.tudelft.nl/uuid:68c96121-6a35-4fde-bf73-1659adb72435

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Delft University of Technology

28. Te Gussinklo Ohmann, D.B. (author). Artificial nourishment: Use of non-native material.

Degree: 1999, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:a55fc92d-f781-44aa-bdd2-48b698c59790

► Artificial nourishment is an often used measure along the Dutch coast. Advantages are, amongst others, the lower costs, no negative influence on recreation and in… (more)

▼ Artificial nourishment is an often used measure along the Dutch coast. Advantages are, amongst others, the lower costs, no negative influence on recreation and in contrast to hard measure it does not have negative consequences for the adjacent coastal areas. A disadvantage is that in most cases a repetition of the nourishment will be necessary to maintain a certain required minimum position of the coastline. Along the Dutch coast a nourishment frequency with a 5 years interval is assumed. In some coastal areas the effects of erosion are very large so that nourishments have to be repeated every 2 year. Often the material of the fill is determined by the material that is available in the borrow area. The volume, the characteristics and the location of the material of the fill will have an effect on the lifetime of a nourishment. These effects will be discussed in this study. In the past some theories about the effect of the behaviour of nourishment have been developed and field and laboratory tests are performed. The theories that are formulated are the theory of the overfill factor and the renourishment factor. The overfill factor is the estimated required fill material in m3 to produce 1 m3 of beach material when the beach is in a condition compatible with the native material. The renourishment factor is the ratio between the rate at which the fill material will erode and the rate at which the native beach material is eroding. The field tests give very specific information for the local conditions. A disadvantage of the laboratory tests is the scaling problem, when the results have to be related to prototype conditions. But both, the laboratory models and the field tests can be useful for the refinement and verification of numerical models. The references in literature give inadequate data to take into account the complications of the behaviour of nourishment with borrow material, which is different from the native material. The information is insufficient to formulate a convenient relationship between nourishments and particle size effects. Nowadays sediment transport models can be used to predict the behaviour of nourishments. For this study the numerical one-line model UNIBEST_TC is used for computing the cross-shore sediment transport rate. For computing the longshore sediment transport rate the numerical one-line model UNIBEST_LT is used. The combination of the longshore and cross-shore sediment transport rate is computed with the numerical multi-line model PaNTos. An assumption has been made for the cross-shore profile, the shape and position of the nourishment, the material of the fill and bottom and the wave climate. Although nourishments are applied generally on eroding coasts, in this study the coast is designed as a straight coast that is not subject to structural erosion. Only a section of the coast is nourished. The characteristics of the material of the fill, the position of the fill and the fill volume are varied. The coast is subject to waves that approach the coast under a certain angle. The… Advisors/Committee Members: Van de Graaff, J. (mentor), Steetzel, H.J. (mentor), D' Angremond, K. (mentor).

Subjects/Keywords: beach nourishment; sediment properites; coastal steepening

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Te Gussinklo Ohmann, D. B. (. (1999). Artificial nourishment: Use of non-native material. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:a55fc92d-f781-44aa-bdd2-48b698c59790

Chicago Manual of Style (16^th Edition):

Te Gussinklo Ohmann, D B (author). “Artificial nourishment: Use of non-native material.” 1999. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:a55fc92d-f781-44aa-bdd2-48b698c59790.

MLA Handbook (7^th Edition):

Te Gussinklo Ohmann, D B (author). “Artificial nourishment: Use of non-native material.” 1999. Web. 19 Jan 2021.

Vancouver:

Te Gussinklo Ohmann DB(. Artificial nourishment: Use of non-native material. [Internet] [Masters thesis]. Delft University of Technology; 1999. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:a55fc92d-f781-44aa-bdd2-48b698c59790.

Council of Science Editors:

Te Gussinklo Ohmann DB(. Artificial nourishment: Use of non-native material. [Masters Thesis]. Delft University of Technology; 1999. Available from: http://resolver.tudelft.nl/uuid:a55fc92d-f781-44aa-bdd2-48b698c59790

Delft University of Technology

29. Simonse, Jesse (author). On the maintenance of the adjacent coast by sediment transported from recurring beach nourishments: A case study for the Holland coast.

Degree: 2017, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:f38ba5a8-d717-4bc3-b9d5-e1541e20b147

► Since 1990, the Dutch coastline is maintained within the ‘Dynamic Preservation’ program, according to which the coastline is maintained seawards from a reference line, mainly… (more)

▼ Since 1990, the Dutch coastline is maintained within the ‘Dynamic Preservation’ program, according to which the coastline is maintained seawards from a reference line, mainly by applying nourishments. Research into the maintenance of the Dutch coast is continuous and causes the content of the coastline preservation program to change constantly since the initiation in 1990. In recent years, the switch was made from yearly nourishment programs to the use of multiannual nourishment programs, in which an interim nourishment planning is included for 4 years. Next to the nourishments following the ‘Dynamic Preservation’ program, ten large reinforcements were applied along the Dutch coast in the past decade according to the ‘Zwakke Schakel’ project. After reinforcement, the coastline at the ‘Zwakke Schakel’ locations needs continuous maintenance to remain at the desired position. The combination of the long term maintenance at the ‘Zwakke Schakel’ locations and the multiannual nourishment program, leads to a more or less fixed character of the nourishments program with recurring maintenance nourishments in each period. The question is to what extent also the adjacent coast is maintained by sediment transported from these recurring maintenance nourishments. A situation in which the adjacent coast can be sufficiently maintained by long term application of nourishments at the ‘Zwakke Schakel’ locations, would lead to an even more fixed character of the nourishment program. At this moment, knowledge on the contribution of sediment transported from beach nourishments to the maintenance of the adjacent coast is insufficient. The research presented in this thesis focusses on one case study. Along the coastal stretch between Scheveningen and IJmuiden, three distinct ‘Zwakke Schakel’ reinforcement nourishments were applied at Scheveningen, Katwijk and Noordwijk. At all locations the coastline was migrated seawards, with varying distances of 60 to 100 meters. The coastal stretch between Scheveningen and IJmuiden is part of the Holland coast and bounded by the breakwaters of the Scheveningen and IJmuiden harbours. Along the Holland coast, sediment transport is dominated by wave related processes wherein longshore transport is the most important sediment transport process. Gradients in longshore sediment transport are therefore an important cause of erosion and accretion. Results of the yearly measurements done along the entire Dutch coast already show a positive effect of the maintenance nourishments in the area. With a refined version of an existing Unibest-CL+ model the effect of the recurring maintenance is further assessed for the long term. In the model, the longshore sediment transport volumes and resulting coastline evolution are modelled for a timescale of 55 years, starting in 2006 before application of the ‘Zwakke Schakel’ reinforcement nourishments and including the effect of possible sea level rise of 0.2 to 1.5 cm per year. The model is validated by comparing transport quantities (volumes and… Advisors/Committee Members: Aarninkhof, Stefan (mentor), Lodder, Quirijn (mentor), van der Spek, Ad (mentor), Tonnon, Pieter Koen (mentor), Lazar, M (mentor), van Prooijen, Bram (graduation committee), Delft University of Technology (degree granting institution).

Subjects/Keywords: coastal engineering; coastline maintenance; coastline preservation; beach nourishments; Unibest; nourishment program; Rijkswaterstaat; longshore transport

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Simonse, J. (. (2017). On the maintenance of the adjacent coast by sediment transported from recurring beach nourishments: A case study for the Holland coast. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:f38ba5a8-d717-4bc3-b9d5-e1541e20b147

Chicago Manual of Style (16^th Edition):

Simonse, Jesse (author). “On the maintenance of the adjacent coast by sediment transported from recurring beach nourishments: A case study for the Holland coast.” 2017. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:f38ba5a8-d717-4bc3-b9d5-e1541e20b147.

MLA Handbook (7^th Edition):

Simonse, Jesse (author). “On the maintenance of the adjacent coast by sediment transported from recurring beach nourishments: A case study for the Holland coast.” 2017. Web. 19 Jan 2021.

Vancouver:

Simonse J(. On the maintenance of the adjacent coast by sediment transported from recurring beach nourishments: A case study for the Holland coast. [Internet] [Masters thesis]. Delft University of Technology; 2017. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:f38ba5a8-d717-4bc3-b9d5-e1541e20b147.

Council of Science Editors:

Simonse J(. On the maintenance of the adjacent coast by sediment transported from recurring beach nourishments: A case study for the Holland coast. [Masters Thesis]. Delft University of Technology; 2017. Available from: http://resolver.tudelft.nl/uuid:f38ba5a8-d717-4bc3-b9d5-e1541e20b147

Delft University of Technology

30. Winter, T. (author). Profile development of a nourishment behind a submerged breakwater.

Degree: 1993, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:62210083-85a4-4e1c-813b-5e3bf1b9e9a2

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A literature review is undertaken to understand the causes and the effects of the first process. Using the resulting equations, the UNIBEST-TC program is verified… (more)

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A literature review is undertaken to understand the causes and the effects of the first process. Using the resulting equations, the UNIBEST-TC program is verified for the process of wave transmission over and through a submerged breakwater. Due to the fact that only impermeable breakwaters can be implemented in the program, deviations occur. For conventional breakwaters the agreement is quite good. For reef breakwaters it is not accurate enough. Due to the fact that a conventional submerged breakwater will be used, the approximations as computed with UNIBEST-TC will suffice. The cause and results of the second process are qualitatively more or less known. However, more quantitative data are needed. The third process is very important because it causes a spatial difference between the point of breaking and the position of maximum return flow. It determines the amount and effect of scour just bebind the breakwater. It seems that these effects are slightly overpredicted by the program. Model tests and extensive measurements will be needed to verify this assumption. All three processes together result in asteeper slope of the nourishment bebind the breakwater, as compared to the reference slope. The amount of shoreline retreat is computed for a nourishment bebind breakwaters with the crest located at NAP -2 m and NAP -4 m. A stability analysis on the primary armour layer as used on these two breakwaters was carried out. Using the results of that analysis, a rough estimate of the costs for both breakwaters is derived. Adding these figures to the costs needed for the nourishments bebind the breakwaters, a comparison is made between these two protected nourishments and an unprotected nourishment. Both result in a more or less stabie coast enlargement of 1000 m. The conclusion is that the protected nourishment is economically a better option than the unprotected one. Due to the fact that the overall costs for the two protected nourishments do not differ much, the one with the lower crest (NAP -4 m) is recommended.

Hydraulic Engineering

Civil Engineering and Geosciences

Advisors/Committee Members: D' Angremond, K. (mentor), Van de Graaff, J. (mentor), Roelvink, J.A. (mentor).

Subjects/Keywords: beach nourishment; offshore breakwater; coastal morphology

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Winter, T. (. (1993). Profile development of a nourishment behind a submerged breakwater. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:62210083-85a4-4e1c-813b-5e3bf1b9e9a2

Chicago Manual of Style (16^th Edition):

Winter, T (author). “Profile development of a nourishment behind a submerged breakwater.” 1993. Masters Thesis, Delft University of Technology. Accessed January 19, 2021. http://resolver.tudelft.nl/uuid:62210083-85a4-4e1c-813b-5e3bf1b9e9a2.

MLA Handbook (7^th Edition):

Winter, T (author). “Profile development of a nourishment behind a submerged breakwater.” 1993. Web. 19 Jan 2021.

Vancouver:

Winter T(. Profile development of a nourishment behind a submerged breakwater. [Internet] [Masters thesis]. Delft University of Technology; 1993. [cited 2021 Jan 19]. Available from: http://resolver.tudelft.nl/uuid:62210083-85a4-4e1c-813b-5e3bf1b9e9a2.

Council of Science Editors:

Winter T(. Profile development of a nourishment behind a submerged breakwater. [Masters Thesis]. Delft University of Technology; 1993. Available from: http://resolver.tudelft.nl/uuid:62210083-85a4-4e1c-813b-5e3bf1b9e9a2

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