GIS Data: City of Alexandria Tidal Marsh Inventory
Berman, Marcia Berquist, Harry Killeen, Sharon Hershner, Carl Nunez, Karinna Reay, Karen Rudnicky, Tamia
Berman, Marcia
Berquist, Harry
Killeen, Sharon
Hershner, Carl
Nunez, Karinna
Reay, Karen
Rudnicky, Tamia
Abstract
The 2012 Tidal Marsh Inventory update for City of Alexandria, 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.
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Date
2012-01-01
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Keywords
CCRM GIS Data, Tidal marsh inventory, Virginia, GIS, Shoreline Management, Data
Citation
Berman, M.R., Berquist, H., Killeen, S., Hershner, C., Nunez, K., Reay, K., Rudnicky, T., 2010. Fairfax County and the City of Alexandria, Virginia - Shoreline Inventory Report, Comprehensive Coastal Inventory Program, Virginia Institute of Marine Science, College of William and Mary, Gloucester Point, Virginia, 23062
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Virginia Institute of Marine Science
DOI
https://doi.org/10.21220/V5RM8F