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Florida Atlantic University

1. Westcott, Richard. Three-dimensional geomodeling to identify spatial relations between lithostratigraphy and porosity in the karst carbonate biscayne aquifer, southeastern Florida.

Degree: MS, 2014, Florida Atlantic University

Summary: In southeastern Florida, the majority of drinking water comes from the Biscayne aquifer. This aquifer is comprised of heterogeneous limestones, sandstones, sand, shell and clayey sand with zones of very high permeability. Visualizing the spatial variations in lithology, porosity and permeability of heterogeneous aquifers, like the Biscayne, can be difficult using traditional methods of investigation. Using the Roxar IRAP RMS software multi-layered 3D conceptual geomodels of the lithology, cyclostratigraphy and porosity were created in a portion of the Biscayne aquifer. The models were built using published data from borehole geophysical measurements, core samples, and thin sections. Spatial relations between lithology, cyclostratigraphy, porosity, and preferential flow zones were compared and contrasted to better understand how these geologic features were inter-related. The models show local areas of differing porosity within and cross-cutting different cycles and lithologies. Porosity in the Biscayne aquifer study area follows a hierarchy attributed to lithofacies with a pattern of increasing porosity for the high frequency cycles. This modeling improves understanding of the distribution and interconnectedness of preferential flow zones, and is thus an invaluable tool for future studies of groundwater flow and groundwater contamination in the Biscayne aquifer.

2014

Degree granted: Thesis (M.S.) – Florida Atlantic University, 2014.

Collection: FAU

Advisors/Committee Members: Root, Tara L. (Thesis advisor), Florida Atlantic University (Degree grantor), Charles E. Schmidt College of Science, Department of Geosciences.

Subjects/Keywords: Biscayne Aquifer (Fla.); Geophysics  – Florida  – Miami Dade County; Groundwater flow  – Florida  – Miami Dade County  – Mathematical models; Hydrology, Karst  – Florida  – Miami Dade County; Porosity; Sedimentary basins  – Florida  – Biscayne Aquifer; Sedimentology  – Statistical methods; Soil permeability

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

APA (6th Edition):

Westcott, R. (2014). Three-dimensional geomodeling to identify spatial relations between lithostratigraphy and porosity in the karst carbonate biscayne aquifer, southeastern Florida. (Masters Thesis). Florida Atlantic University. Retrieved from http://purl.flvc.org/fau/fd/FA00004337 ; (URL) http://purl.flvc.org/fau/fd/FA00004337

Chicago Manual of Style (16th Edition):

Westcott, Richard. “Three-dimensional geomodeling to identify spatial relations between lithostratigraphy and porosity in the karst carbonate biscayne aquifer, southeastern Florida.” 2014. Masters Thesis, Florida Atlantic University. Accessed January 22, 2020. http://purl.flvc.org/fau/fd/FA00004337 ; (URL) http://purl.flvc.org/fau/fd/FA00004337.

MLA Handbook (7th Edition):

Westcott, Richard. “Three-dimensional geomodeling to identify spatial relations between lithostratigraphy and porosity in the karst carbonate biscayne aquifer, southeastern Florida.” 2014. Web. 22 Jan 2020.

Vancouver:

Westcott R. Three-dimensional geomodeling to identify spatial relations between lithostratigraphy and porosity in the karst carbonate biscayne aquifer, southeastern Florida. [Internet] [Masters thesis]. Florida Atlantic University; 2014. [cited 2020 Jan 22]. Available from: http://purl.flvc.org/fau/fd/FA00004337 ; (URL) http://purl.flvc.org/fau/fd/FA00004337.

Council of Science Editors:

Westcott R. Three-dimensional geomodeling to identify spatial relations between lithostratigraphy and porosity in the karst carbonate biscayne aquifer, southeastern Florida. [Masters Thesis]. Florida Atlantic University; 2014. Available from: http://purl.flvc.org/fau/fd/FA00004337 ; (URL) http://purl.flvc.org/fau/fd/FA00004337

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