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CoSMoS Southern California v3.0 Phase 2 projections of shoreline change due to 21st century sea level rise


Publication Date


Barnard, P.L., Erikson, L.H., Foxgrover, A.C., Limber, P.W., O'Neill, A.C., and Vitousek, S., 2018, Coastal Storm Modeling System (CoSMoS) for Southern California, v3.0, Phase 2 (ver. 1g, May 2018): U.S. Geological Survey data release,


This dataset contains projections of shoreline positions and uncertainty bands for future scenarios of sea-level rise and management conditions. Projections were made using CoSMoS-COAST, a numerical model forced with global-to-local nested wave models (updated for Phase 2) and assimilated with lidar-derived shoreline vectors. Read metadata and methods carefully.


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The projections were made to support the USGS's Coastal Storm Modeling System (CoSMoS), which provides coastal managers and policymakers with potential long-term coastal erosion and flooding scenarios.

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