Offshore baseline generated to calculate shoreline change rates near Barter Island, Alaska

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Description This dataset includes a reference baseline used by the Digital Shoreline Analysis System (DSAS) to calculate rate-of-change statistics for the shorelines near Barter Island, Alaska for the time period 1947 to 2020. 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.
Originators Gibbs, Ann E.; Jones, Benjamin M.; and Richmond, Bruce M.

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