GIS Applications Floodplain Reconnaissance Studiesby Jay J. Ratcliff, U.S. Army Engineer District, New Orleans, United States,
Robert H. Cunningham, U.S. Army Engineer District, New Orleans, United States,
Abstract: U.S. Army Engineer District, New Orleans (NOD) employed a Geographic Information System (GIS) to support a flood plain management Reconnaissance Study. The study region encompassed the Tangipahoa, Tchefuncte, and Tickfaw (TTT) Rivers north of Lake Pontchartrain in southern Louisiana. Applying both raster and vector data, land use and land cover, habitats, flood zones, and hydrography were analyzed with and without project conditions. Satellite imagery, scanned aerial photography, USGS Digital Line Graph (DLG-3) and Digital Elevation Model (DEM) data sets, were all imported into the GIS for project tasks.
Subject Headings: Geographic information systems | Floods | Information systems | Flood plains | Hydrologic models | Data processing | Computer software | Computer models | Data analysis | North America | Louisiana | United States | New Orleans
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