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Mariana Islands: Projected sea-level rise flooding inundation extents for 0.00, +0.25, +0.50, +1.00, +1.50, +2.00, and +3.00 meter (ver. 1.1, February 2025)

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 04:18 AM | Dataset Last Updated: March 25, 2026 at 12:00 AM
This data release provides flooding extent polygons based on potential future sea-level rise (SLR) rise water levels for the coast of the most populated Mariana Islands of Guam and Saipan in the Common Wealth of Northern Mariana Islands (CNMI). Digital elevation models were used to predict SLR flooding extents for 0.00 m, +0.25 m, +0.50 m, +1.00 m, +1.50 m, +2.00 m, and +3.00 m SLR rise scenarios.

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