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Abstract: The dataset consists of vector polygons representing flood extents associated with the 0.2% AEP Storm along with the projected sea level rise from the Intermediate Low curve projection. The dataset was created using the published stillwater elevation rasters from FEMA’s Flood Insurance Study. The stillwater elevations were adjusted according to the projected sea level rise values and used to conduct a raster difference with a digital elevation model of the area from the NWFWMD to determine the flood depths. The resulting raster difference output was converted to vector polygon format for use in subsequent vector geoprocessing with critical asset vector data.
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Purpose: This dataset represents flood extent vector polygons for Franklin County during the 0.2% AEP Storm + Intermediate Low Projection in the year 2040.