New Orleans, LA/MS 1/3 arc-second MHW DEM

The New Orleans DEM integrates bathymetry and topography in the area surrounding New Orleans, Louisiana. It covers Lake Pontchatrain and Lake Borgne, a portion of southwestern Mississippi, and extends out along the Mississippi River Delta. The DEM has a 1/3 arc-second (~10 meter) cell size, and is referenced to a vertical datum of mean high water. It was built in April 2010 to support NOAA's VDatum Program.

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DEM perspective image. 

Name New Orleans
States Louisiana, Mississippi
Region Gulf of Mexico
-90.65 -89.3
Date Completed 2010-04-30
Type Coastal Inundation
Horizontal Datum NAD 83
Projection Geographic (degrees)
Vertical Datum MHW (meters)
Vertical Transformation Source elevation data transformed using NOAA's VDatum vertical transformation tool --
Coverage Bathy-topo
Cell Size 1/3 arc-second
Registration Grid-node
Version 1
Source NOAA / NGDC / MGG
Developer NOAA / NGDC / MGG
Project NOAA VDatum DEM
Contact Matthew R Love @ NOAA / NGDC
Position: not available


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DEM Restrictions

WARNING: DEM not to be used for navigation.

How to cite this DEM

Love, M.R., C.J. Amante, L.A. Taylor, and B.W. Eakins, 2011. Digital Elevation Models of New Orleans, Louisiana: Procedures, Data Sources and Analysis, NOAA Technical Memorandum NESDIS NGDC-49, U.S. Dept. of Commerce, Boulder, CO, 46 pp.
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