This week's module focused on the necessary procedures for coastal flooding assessment. Using DEMs, we assessed destruction, storm surge/flood risk and flood zones.
I created this map starting from USGS and LiDAR DEM rasters by using various geoprocessing tools, including the Reclassify tool and the Region Group tool. This map omits low-lying areas that were not connected to the larger USGS/LiDAR DEMs. Exclusion of these low-lying disconnected areas could lead to an underestimation of storm surge risk. These areas could still flood if they are connected through drainage systems. Hydrological modeling could help identify flow paths of watersheds to help with increasing accuracy in the assessment of flood risk.
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