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CoSMoS Central California v3.1 projections of shoreline change due to 21st century sea level rise


Publication Date


Barnard, P.L., Erikson, L.H., Foxgrover, A.C., Limber, P.L., O'Neill, A.C., and Vitousek, S., 2018, Coastal Storm Modeling System (CoSMoS) for Central California, v3.1: U.S. Geological Survey data release,


This dataset contains projections of shoreline positions and uncertainty bands for future scenarios of sea-level rise. Projections were made using the Coastal Storm Modeling System - Coastal One-line Assimilated Simulation Tool (CoSMoS-COAST), a numerical model forced with global-to-local nested wave models and assimilated with lidar-derived shoreline vectors. Read metadata 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. These data are intended for policy makers, resource managers, science researchers, students, and the general public. These data can be used with geographic information systems or other software to identify and assess possible areas of vulnerability. These data are not intended to be used for navigation. This work is part of on-going modeling efforts for California and the western United States. For more information on CoSMoS implementation, see

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