Prince William Sound, AK 8 arc-second MHHW DEM

The Prince William Sound 8 arc-second DEM covers all of Prince William Sound and the adjacent regions of the Gulf of Alaska, including the communities of Whittier, Cordova, and Valdez. Smaller DEMs of Prince William Sound and the communities of Whittier and Cordova were also developed. The DEMs were built in April 2009 to support the State of Alaska's efforts to improve the resiliency of its coastal communities to tsunamis.

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DEM perspective image. 

Name Prince William Sound
States Alaska
Region Gulf of Alaska
-149.01 -144.99
Date Completed 2009-04-20
Type Coastal Relief
Horizontal Datum WGS 84
Projection Geographic (degrees)
Vertical Datum MHHW (meters)
Vertical Transformation Source elevation data transformed using conversion grids built by NGDC using vertical datum relationships measured at NOAA tide stations.
Coverage Bathy-topo
Cell Size 8 arc-second
Registration Grid-node
Version 1
Source NOAA / NGDC / MGG
Developer NOAA / NGDC / MGG
Contact Barry W Eakins @ NOAA / NGDC
Position: not available


Related DEMs

DEM Restrictions

WARNING: DEM not to be used for navigation.

How to cite this DEM

Caldwell, R.J., B.W. Eakins, and E. Lim, 2011. Digital Elevation Models of Prince William Sound, Alaska: Procedures, Data Sources and Analysis, NOAA Technical Memorandum NESDIS NGDC-40, U.S. Dept. of Commerce, Boulder, CO, 41 pp.
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