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NOAA/NESDIS/NGDC
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Chenega, AK 8/15 arc-second MHHW DEM

The Chenega DEM covers the community of Chenega, Alaska within Prince William Sound. The DEM has an 8/15 arc-second (~15 meter) cell size, and is referenced to a vertical datum of mean higher high water. It was built in January 2011 for the National Tsunami Hazard Mitigation Program in support of the State of Alaska's tsunami inundation modeling efforts.



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DEM perspective image 

Name Chenega
States Alaska
Region Gulf of Alaska
Extent
60.19
-148.17 -147.89
59.97
Date Completed 2011-01-24
Type Coastal Inundation
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 8/15 arc-second
Registration Grid-node
Version 1
Source NOAA / NGDC / MGG
Developer NOAA / NGDC / MGG
Project NTHMP DEM
Contact Barry W Eakins @ NOAA / NGDC
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WARNING: DEM not to be used for navigation.

How to cite this DEM

Caldwell, R.J., B.W. Eakins, L.A. Taylor, and K.S. Carignan, 2012. Digital Elevation Model of Chenega Bay, Alaska: Procedures, Data Sources and Analysis NOAA Technical Memorandum NESDIS NGDC-56, U.S. Dept. of Commerce, Boulder, CO, 19 pp.
Questions or Comments: dem.info@noaa.gov