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Integrated Models of Coastal Relief
NCEI builds and distributes high-resolution, coastal digital elevation models (DEMs) that integrate ocean
bathymetry and land topography to support NOAA's mission to understand and predict changes in Earth's
environment, and conserve and manage coastal and marine resources to meet our Nation's economic, social, and
environmental needs. They can be used for modeling of coastal processes (tsunami inundation, storm surge,
sea-level rise, contaminant dispersal, etc.), ecosystems management and habitat research, coastal and marine
spatial planning, and hazard mitigation and community preparedness. Learn more from our
DEM
Fact Sheet.
Coastal Inundation (high-resolution, 1 arc-second or finer)
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Regional (low-resolution, 3 arc-second or coarser)
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