Datasets / LA_TRANSECTS_LT - Long-Term Shoreline Change Rates for Louisiana Generated at a 50m Transect Spacing, 1855-2001

LA_TRANSECTS_LT - Long-Term Shoreline Change Rates for Louisiana Generated at a 50m Transect Spacing, 1855-2001

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Published By U.S. Geological Survey, Department of the Interior

Issued about 9 years ago

US
beta

Summary

Type of release
ongoing release of a series of related datasets

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Description

Rates of long-term and short-term shoreline change were generated in a GIS with the Digital Shoreline Analysis System (DSAS) version 2.0, an ArcView extension developed by the U.S. Geological Survey (USGS) in cooperation with TPMC Environmental Services. The extension is designed to efficiently lead a user through the major steps of shoreline change analysis. This extension to ArcView contains three main components that define a baseline, generate orthogonal transects at a user-defined separation along the coast, and calculate rates of change (linear regression, endpoint rate, average of rates, average of endpoints, jackknife).

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