GIS Data: Prince William County, Virginia Tidal Marsh Inventory

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Berman, Marcia; Berquist, Harry; Killeen, Sharon A.; Hershner, Carl; Nunez, Karinna; Reay, Karen; Rudnicky, Tamia
Tidal marsh inventory; Virginia; GIS; Shoreline Management; Data; CCRM GIS Data; Environmental Monitoring
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data description
The 2012 Tidal Marsh Inventory update for Prince William County, Virginia was generated using on-screen digitizing techniques in the most recent version of ArcGIS® - ArcMap while viewing conditions observed in the most recent imagery from the Virginia Base Mapping Program (VBMP). Dominant plant community types were primarily determined during field surveys from shallow-draft boats moving along the shoreline. Land-based surveys were performed in some locations. One shapefile is developed that portrays tidal marsh areas represented as polygons. A metadata file accompanies the shapefile to define attribute accuracy, data development, and any use restrictions that pertain to the data.