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Alaska: East Chukchi Sea Coast (Point Barrow to Icy Cape) 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: September 10, 2026 at 09:55 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 between Point Barrow and Icy Cape 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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