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Alaska: West Beaufort Sea Coast (Colville River to Point Barrow) offshore baselines for the sheltered coast generated to calculate shoreline change rates

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 07:32 PM | Dataset Last Updated: March 26, 2026 at 12:00 AM
This dataset includes a reference baseline used by the Digital Shoreline Analysis System (DSAS) to calculate rate-of-change statistics for the sheltered north coast of Alaska coastal region between the Colville River and Point Barrow for the time period 1947 to 2012. This baseline layer serves as the starting point for all transects cast by the DSAS application and can be used to establish measurement points used to calculate shoreline-change rates.

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