GIS Data: Charles City County, Virginia Shoreline Inventory Report
Berman, Marcia Nunez, Karinna Killeen, Sharon Rudnicky, Tamia Angstadt, Kory Bradshaw, Julie Weiss, David Hershner, Carl
Berman, Marcia
Nunez, Karinna
Killeen, Sharon
Rudnicky, Tamia
Angstadt, Kory
Bradshaw, Julie
Weiss, David
Hershner, Carl
Abstract
The data inventory developed for the Shoreline Inventory is based on a three tiered shoreline assessment approach. In most cases this assessment characterizes conditions that can be observed from a small boat navigating along the shoreline. The three tiered shoreline assessment approach divides the shorezone into three regions: 1) the immediate riparian zone, evaluated for land use; 2) the bank, evaluated for height, stability, cover and natural protection; and 3) the shoreline, describing the presence of shoreline structures for shore protection and recreational purposes. GPS registered videography was used to collect data on conditions observed in the field. Three GIS shapefiles are developed from the GPS field files. The first describes land use and bank conditions (CharlesCity_lubc). The second reports shoreline structures that are collected as arcs or lines (CharlesCity_sstru). The final shapefile includes all structures that are represented as points (CharlesCity_astru). The shapefiles use a shoreline basemap generated in-house from the Virginia Base Mapping Program’s high resolution digital terrain model from 2009. The shoreline is re-coded to reflect features and attributes observed in the field. The metadata file accompanies the shapefiles and defines attribute accuracy, data development, and any use restrictions that pertain to data.
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Date
2013-01-01
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Keywords
CCRM GIS Data, Shoreline Inventories, Virginia, GIS, Management, Data
Citation
Berman, M.R., Nunez, K., Killeen, S., Rudnicky, T., Angstadt, K., Bradshaw, J., Weiss, D., and C. Hershner, 2013. Charles City County - Shoreline Inventory Report, SRAMSOE #436, 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/V54X66