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Development And Evaluation Of A Geographic Information System Based Method To Estimate Flooding Susceptibility In An Area Of Broward County, Florida, Carolyn J. Anderson
Development And Evaluation Of A Geographic Information System Based Method To Estimate Flooding Susceptibility In An Area Of Broward County, Florida, Carolyn J. Anderson
FIU Electronic Theses and Dissertations
The objective of this study was to develop a GIS-based multi-class index overlay model to determine areas susceptible to inland flooding during extreme precipitation events in Broward County, Florida. Data layers used in the method include Airborne Laser Terrain Mapper (ALTM) elevation data, excess precipitation depth determined through performing a Soil Conservation Service (SCS) Curve Number (CN) analysis, and the slope of the terrain. The method includes a calibration procedure that uses "weights and scores" criteria obtained from Hurricane Irene (1999) records, a reported 100-year precipitation event, Doppler radar data and documented flooding locations. Results are displayed in maps of …