Puerto Rico Coastal Digital Elevation ModelBack to Collection NOAA/NESDIS/NGDC/MGG/DEM
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Puerto Rico Coastal Digital Elevation Model
browse graphicNOAA’s National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions. These integrated bathymetric-topographic DEMs are used to support tsunami forecasting and warning efforts at the NOAA Center for Tsunami Research, Pacific Marine Environmental Laboratory (PMEL). The DEMs are part of the tsunami forecast system SIFT (Short-term Inundation Forecasting for Tsunamis) currently being developed by PMEL for the NOAA Tsunami Warning Centers, and are used in the MOST (Method of Splitting Tsunami) model developed by PMEL to simulate tsunami generation, propagation, and inundation. Bathymetric, topographic, and shoreline data used in DEM compilation are obtained from various sources, including NGDC, the U.S. National Ocean Service (NOS), the U.S. Geological Survey (USGS), the U.S. Army Corps of Engineers (USACE), the Federal Emergency Management Agency (FEMA), and other federal, state, and local government agencies, academic institutions, and private companies. DEMs are referenced to the vertical tidal datum of Mean High Water (MHW) and horizontal datum of World Geodetic System 1984 (WGS84). Cell size for the DEMs ranges from 1/3 arc-second (~10 meters) to 3 arc-seconds (~90 meters).

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AccessFormat(s)Distributor(s) / Contact InfoInstructions / Constraints
Puerto Rico Coastal Digital Elevation Model ASCII DEM
Download DEM, metadata and readme file.
Puerto Rico Coastal Digital Elevation Model Homepage
Information, preview and access DEM, metadata record and development report.
Format version: 1
Format specification: ASCII text version of ESRI ArcGIS raster format
Compression: WINZIP