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Shorelines of the southern North Carolina (NCsouth) coastal region used in shoreline change analysis

Dates

Publication Date
Start Date
1851
End Date
2010

Citation

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.

Summary

Sandy ocean beaches in the United States are popular tourist and recreational destinations and constitute some of the most valuable real estate in the country. The boundary between land and water along the coastline is often the location of concentrated residential and commercial development and is frequently exposed to a range of natural hazards, which include flooding, storm effects, and coastal erosion. In response, the U.S. Geological Survey (USGS) is conducting a national assessment of coastal change hazards. One component of this research effort, the National Assessment of Shoreline Change Project (http://coastal.er.usgs.gov/shoreline-change/), documents changes in shoreline position as a proxy for coastal change. Shoreline [...]

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Attached Files

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Shapefile: NCsouth_shorelines.zip
NCsouth_shorelines.CPG 5 Bytes
NCsouth_shorelines.dbf 78.27 KB
NCsouth_shorelines.prj 145 Bytes
NCsouth_shorelines.sbn 5.34 KB
NCsouth_shorelines.sbx 332 Bytes
NCsouth_shorelines.shp 888.54 KB
NCsouth_shorelines.shp.xml
Original FGDC Metadata

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38.36 KB
NCsouth_shorelines.shx 4.12 KB

Purpose

This dataset includes shorelines from 159 years ranging from 1851 to 2010 in southern North Carolina's coastal region from Shackleford Banks to Cape Fear. 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.

Additional Information

Shapefile Extension

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