Inventory of Managed Coastal Wetlands in Delaware Bay and Delaware's Inland Bays

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Description This data release contains areas within Delaware Bay and Delaware Inland Bays that are within tidal elevations, as determined by the Highest Astronomical Tide (HAT), but that are classified as non-tidal or managed wetlands by the National Wetlands Inventory (NWI) or as non-estuarine by the 2016 Coastal Change Analysis Program (C-CAP) land cover dataset. These areas have been assigned the classification codes of NWI, where available, and C-CAP. These data are based on a 5m resolution elevation raster from Coastal National Elevation Database (CoNED), an interpolated surface from Highest Astronomical Tide (HAT) data from National Oceanographic and Atmospheric Administration (NOAA) tide gauges, and NWI and C-CAP digital wetland products. The area was determined by identifying non-tidal or non-wetland land covers at or below the interpolated HAT tidal elevation. The underlying wetland category from NWI or land cover type from C-CAP was then applied to the entire area to indicate areas for possible land or hydrologic management and assess current and future conditions of land within tidal elevations. [More]
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