GIS Data: Anne Arundel County, Maryland - Shoreline Inventory Data 2020
Nunez, Karinna Berman, Marcia Killeen, Sharon Hendricks, Jessica Rudnicky, Tamia Riscassi, Catherine
Nunez, Karinna
Berman, Marcia
Killeen, Sharon
Hendricks, Jessica
Rudnicky, Tamia
Riscassi, Catherine
Abstract
The shoreline inventory files have been generated to support the application of the Maryland Shoreline Stabilization Model (SSM), developed by the Center for Coastal Resources Management (CCRM), Virginia Institute of Marine Science (VIMS), to enhance and streamline regulatory decision making in Maryland. This shoreline inventory includes the features needed as inputs to run the SSM. The data developed for the Shoreline Inventory is based on a three-tiered shoreline assessment approach. This assessment characterizes conditions by using observations made remotely at the desktop using high resolution imagery. 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, and natural protection (i.e., marshes and beaches); and 3) the shoreline, describing the presence of shoreline structures for shore protection and recreational purposes. The 2020 Inventory for Anne Arundel County was generated using on-screen, digitizing techniques in ArcGIS® - ArcMap v10.6.1 while viewing conditions observed in MD Six Inch Imagery 2016/2017. Three GIS shapefiles are developed. The first describes land use and bank conditions (Anne_Arundel_lubc_2020). The second reports shoreline structures that are described as arcs or lines (Anne_Arundel _sstru_2020). The final shapefile includes all structures that are represented as points (Anne_Arundel _astru_2020). The shapefiles use a shoreline basemap from the NOAA CUSP shoreline (2011), which it is updated in-house by using the MD Six Inch Imagery 2016/2017 to reflect the most current land-water interface position. The shoreline is re-coded to reflect features and attributes observed. 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
2021-01-01
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CCRM GIS Data, Shoreline Inventories, Maryland, GIS, Data, Management
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Virginia Institute of Marine Science
DOI
https://doi.org/10.25773/kgrw-kb65