Shorelines of the western North Carolina (NCwest) coastal region used in shoreline change analysis

Publication Date

2017

Start Date

1852

End Date

2010

Kratzmann, M.G., Himmelstoss, E.A., and Thieler, E.R., 2017, National assessment of shoreline change – A GIS compilation of updated vector shorelines and associated shoreline change data for the Southeast Atlantic Coast: U.S. Geological Survey data release, https://doi.org/10.5066/F74X55X7.

This dataset includes shorelines from 158 years ranging from 1852 to 2010 in western North Carolina's coastal region from Oak Island to the South Carolina border. Shorelines were compiled from topographic survey sheets (T-sheets; National Oceanic and Atmospheric Administration (NOAA)), Coastal Engineering Research Center (CERC) maps (NOAA/National Ocean Service (NOS)), and lidar (U.S. Geological Survey (USGS)/NOAA/National Aeronautics and Space Administration (NASA), USGS/U.S. Army Corps of Engineers (USACE)). Historical shoreline positions serve as easily understood features that can be used to describe the movement of beaches through time. These data are used to calculate rates of shoreline change for the U.S. Geological Survey's National Assessment of Shoreline Change Project. Rates of long-term and short-term shoreline change were generated in a GIS using the Digital Shoreline Analysis System (DSAS) version 4.3. DSAS uses a measurement baseline method to calculate rate-of-change statistics. Transects are cast from the reference baseline to intersect each shoreline, establishing measurement points used to calculate shoreline change rates.

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