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You searched for subject:(mountain legacy project). Showing records 1 – 3 of 3 total matches.

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1. Naciri, Hind. Application of repeat photography in landscape change analysis in the region of Bragança, Portugal.

Degree: 2017, Instituto Politécnico de Bragança

Nowadays, landscape change analysis is occupying a prominent place among ecological studies, as it re ects the crucial role landscapes play in the dynamics of populations. This change can be assessed via a multitude of means, at di erent scales, depending on the nature of the study areas, the aimed objective of the research and the user's level of expertise. One of the techniques that stands out in this eld of study is repeat photography (RP), as it provides an exhaustive follow-up of the occurring changes through time. Yet, in order to accomplish a deeper image analysis, tools are required to extract qualitative and quantitative information and process the photographs. The aim of the present work is to select and assess methods of visualization, description and comparison of chronological series of aerial oblique photographs to landscape change analysis in the Bragan ca region of Northeastern Portugal. The two main presented tools in this study are the Image Analysis Toolkit (IAT), by the Mountain Legacy Project (MLP), and the WSL Monoplotting Tool by the Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Bellinzona, Switzerland. IAT allows users to display and analyze single or multiple images (up to three images side by side). The editing is rudimentary, as it allows creating segmentation masks on the platform, that can be saved to the users own o ine le system. The WSL tool , allows to analyze photographs by allowing extraction of spatially referenced vector data from oblique photographs. Such tools require georeferenced images taken repeatedly from the same spot over the years in order to ensure the repeat aspect of the process. Their outputs may vary from GIS maps to freehand sketches, depending on how advanced the study is. The selection and assessment of these computer tools was based on criteria such as accessibleness, data formats, friendliness, and others.

Hoje em dia, a análise da mudança de paisagem ocupa um lugar proeminente entre os estudos ecológicos, pois reflete o papel crucial que as paisagens desempenham na dinâmica das populações. Esta mudança pode ser avaliada através de uma multiplicidade de meios, em diferentes escalas, dependendo da natureza das áreas de estudo, o objetivo da pesquisa e o nível de conhecimento do usuário. Uma das técnicas que se destaca neste campo de estudo é a fotografia repetida (RP), pois fornece um acompanhamento exaustivo das mudanças ocorridas ao longo do tempo. No entanto, para realizar uma análise de imagem mais profunda, as ferramentas são necessárias para extrair informações qualitativas e quantitativas para processar fotografias. O objetivo do presente trabalho é selecionar e avaliar métodos de visualização, descrição e comparação de séries cronológicas de fotografias aéreas oblíquas e análises de mudanças de paisagem na região de Bragança no nordeste de Portugal. As duas principais ferramentas apresentadas neste estudo são o Image Analysis Toolkit (IAT), pelo Mountain Legacy Project (MLP) e a WSL Monoplotting Tool pelo Instituto Federal…

Advisors/Committee Members: Azevedo, João, Chikhaoui, Mohamed.

Subjects/Keywords: Repeat photography; Landscape Change; Mountain Legacy; Project; WSL Monoplotting Tool; Domínio/Área Científica::Ciências Agrárias::Agricultura, Silvicultura e Pescas

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

APA (6th Edition):

Naciri, H. (2017). Application of repeat photography in landscape change analysis in the region of Bragança, Portugal. (Thesis). Instituto Politécnico de Bragança. Retrieved from https://www.rcaap.pt/detail.jsp?id=oai:bibliotecadigital.ipb.pt:10198/14772

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

Chicago Manual of Style (16th Edition):

Naciri, Hind. “Application of repeat photography in landscape change analysis in the region of Bragança, Portugal.” 2017. Thesis, Instituto Politécnico de Bragança. Accessed October 19, 2020. https://www.rcaap.pt/detail.jsp?id=oai:bibliotecadigital.ipb.pt:10198/14772.

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

MLA Handbook (7th Edition):

Naciri, Hind. “Application of repeat photography in landscape change analysis in the region of Bragança, Portugal.” 2017. Web. 19 Oct 2020.

Vancouver:

Naciri H. Application of repeat photography in landscape change analysis in the region of Bragança, Portugal. [Internet] [Thesis]. Instituto Politécnico de Bragança; 2017. [cited 2020 Oct 19]. Available from: https://www.rcaap.pt/detail.jsp?id=oai:bibliotecadigital.ipb.pt:10198/14772.

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

Council of Science Editors:

Naciri H. Application of repeat photography in landscape change analysis in the region of Bragança, Portugal. [Thesis]. Instituto Politécnico de Bragança; 2017. Available from: https://www.rcaap.pt/detail.jsp?id=oai:bibliotecadigital.ipb.pt:10198/14772

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


University of Victoria

2. Gat, Christopher. Feature-based matching in historic repeat photography: an evaluation and assessment of feasibility.

Degree: Dept. of Computer Science, 2011, University of Victoria

This study reports on the quantitative evaluation of a set of state-of-the-art feature detectors and descriptors in the context of repeat photography. Unlike most related work, the proposed study assesses the performance of feature detectors when intra-pair variations are uncontrolled and due to a variety of factors (landscape change, weather conditions, different acquisition sensors). There is no systematic way to model the factors inducing image change. The proposed evaluation is performed in the context of image matching, i.e. in conjunction with a descriptor and matching strategy. Thus, beyond just comparing the performance of these detectors and descriptors, we also examine the feasibility of feature-based matching on repeat photography. Our dataset consists of a set of repeat and historic images pairs that are representative for the database created by the Mountain Legacy Project www.mountainlegacy.ca. Advisors/Committee Members: Branzan Albu, Alexandra (supervisor), German, Daniel M. (supervisor).

Subjects/Keywords: feature matching; detection; description; detectors; descriptors; rephotography; mountain legacy project; registration; Hessian-lalplace; DoG; MSER; SIFT; shape context

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

APA (6th Edition):

Gat, C. (2011). Feature-based matching in historic repeat photography: an evaluation and assessment of feasibility. (Masters Thesis). University of Victoria. Retrieved from http://hdl.handle.net/1828/3461

Chicago Manual of Style (16th Edition):

Gat, Christopher. “Feature-based matching in historic repeat photography: an evaluation and assessment of feasibility.” 2011. Masters Thesis, University of Victoria. Accessed October 19, 2020. http://hdl.handle.net/1828/3461.

MLA Handbook (7th Edition):

Gat, Christopher. “Feature-based matching in historic repeat photography: an evaluation and assessment of feasibility.” 2011. Web. 19 Oct 2020.

Vancouver:

Gat C. Feature-based matching in historic repeat photography: an evaluation and assessment of feasibility. [Internet] [Masters thesis]. University of Victoria; 2011. [cited 2020 Oct 19]. Available from: http://hdl.handle.net/1828/3461.

Council of Science Editors:

Gat C. Feature-based matching in historic repeat photography: an evaluation and assessment of feasibility. [Masters Thesis]. University of Victoria; 2011. Available from: http://hdl.handle.net/1828/3461


University of Victoria

3. Taggart-Hodge, Tanya. A century of landscape-level changes in the Bow watershed, Alberta, Canada, and implications for flood management.

Degree: School of Environmental Studies, 2016, University of Victoria

This study used a comparison of one hundred and forty-eight historical (1888-1913) and current (2008-2014) oblique photographs from thirty-two stations to identify land cover changes that have occurred in portions of the Bow and Elbow valleys as well as surrounding Kananaskis Country region. Implications of these changes for flooding and flood management were explored. Forest cover was found to have drastically increased over the past century, particularly in the Bow valley, as did areas of direct human development. In the same time period, grasslands increased in the Elbow valley but decreased in the Bow, while regenerating areas decreased uniformly throughout both valleys. An analysis of pre (2008)-and-post (2014) flood conditions demonstrated no change in coniferous forest cover in both valleys over the 6-year period, but uncovered a decline of 20% in the Elbow and 3% in the Bow in the broadleaf/mixedwood category. The Elbow’s channel zone was larger in 2014 compared to 2008, whereas the extent of the Bow’s channel zone remained constant. However, both the Bow and Elbow’s bare exposed bars increased substantially, most likely as a result of the 2013 flood. The major source of water flows that contributed to the 2013 flood event originated in high elevation rock and scree areas, which, unlike floodplains, are elements of the watershed that cannot be manipulated over time. It is now recognized that forest cover should act as a buffer to floods. Nevertheless, the 2013 flood event occurred despite the massive buffering effect of a huge increase in older forest stands across the study area. The final discussion includes recommendations for improving flood management in the area. Advisors/Committee Members: Higgs, Eric (supervisor).

Subjects/Keywords: Mountains; Bow watershed; Canmore; Banff; Mountain Legacy Project; Repeat Photography; Land cover; Landscape; Rocky Mountains; Environmental sciences; Environmental studies; Change detection; Ecological restoration; Novel ecosystems; River; Human footprint

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

APA (6th Edition):

Taggart-Hodge, T. (2016). A century of landscape-level changes in the Bow watershed, Alberta, Canada, and implications for flood management. (Masters Thesis). University of Victoria. Retrieved from http://hdl.handle.net/1828/7655

Chicago Manual of Style (16th Edition):

Taggart-Hodge, Tanya. “A century of landscape-level changes in the Bow watershed, Alberta, Canada, and implications for flood management.” 2016. Masters Thesis, University of Victoria. Accessed October 19, 2020. http://hdl.handle.net/1828/7655.

MLA Handbook (7th Edition):

Taggart-Hodge, Tanya. “A century of landscape-level changes in the Bow watershed, Alberta, Canada, and implications for flood management.” 2016. Web. 19 Oct 2020.

Vancouver:

Taggart-Hodge T. A century of landscape-level changes in the Bow watershed, Alberta, Canada, and implications for flood management. [Internet] [Masters thesis]. University of Victoria; 2016. [cited 2020 Oct 19]. Available from: http://hdl.handle.net/1828/7655.

Council of Science Editors:

Taggart-Hodge T. A century of landscape-level changes in the Bow watershed, Alberta, Canada, and implications for flood management. [Masters Thesis]. University of Victoria; 2016. Available from: http://hdl.handle.net/1828/7655

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