Cooperative Institute for Research in Environmental Sciences

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Southern Alaska Coastal Relief Model

Elliot Lim(1), Barry Eakins(2) Pamela Medley(3), Jason Caldwell(3), Kelly Carignan(4),

(1)CIRES, (2)NOAA/NGDC

NOAA/NGDC in affiliation with CIRES has developed a 24 arc-second coastal relief model (CRM) of southern Alaska. The DEM ranges from 170º E to 130º W and 48º to 66º N, and integrates bathymetry and topography to represent the earth’s surface. It spans over the Gulf of Alaska, Bering Sea, Aleutian Islands, and Alaska’s largest communities: Anchorage, College, Fairbanks, and Juneau. The relief model consists of a variety of source datasets acquired from the National Geophysical Data Center, National Ocean Service, United States Geological Survey, National Aeronautics and Space Administration, and other various agencies.

The CRM provides a framework to enable scientists to model tsunami propagation and ocean circulation. In addition, it is a tool for benthic habitat research, weather forecasting, environmental stewardship, and general cartographic applications.