Digital Elevation Model (DEM)

A Digital Elevation Model (DEM) is a raster cartographic/geographic dataset of elevations in xyz coordinates.

Description: Digital Elevation Model (DEM) Download Metadata
County 30-Meter

Processed by The University of Mississippi Geoinformatics Center (UMGC)

Shapefiles

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UMGC
County 10-Meter

Vertical Datum is NGVD 1929

E00 UMGC
Statewide 10-Meter

Vertical Datum is NGVD 1929

A statewide 10 meter DEM is available via DVD (4.2 GB) as well as a statewide Hillshade (900 MB) of the DEM using the defaults: Azimuth – 315, Altitude – 45 and Z Factor – 1.

Each zip file contains the entire directory including the info files. There is no need to import these files. Please send a blank DVD for each. Please contact Steve Walker at 601-432-6149 if more information is needed.

County 10-Meter Hillshades

A countywide 10 meter DEM Hillshade is available using the defaults: Azimuth – 315, Altitude – 45 and Z Factor – 1.

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For the below projects, due to extreme size of files, please send an appropriate sized external USB hard drive to:

Steve Walker
MARIS
3825 Ridgewood Rd Suite 717
Jackson, MS 39211

Mississippi: Lauderdale Project 0.7M DEMs (.img)

The NRCS and USGS, 2013 0.7 meter Point Cloud and Bare Earth DEMs in .img format.

File size is 36 GB.

Please send external hard drive to Steve Walker
Reference Map Report
Mississippi: Rankin/Simpson Project 1M DEMs (.tiff)

The MDEQ and FEMA, 2013 1 meter Bare Earth DEMs in .tiff format.

File size is 9 GB.

Please send external hard drive to Steve Walker
Reference Map Report
Mississippi: Tenn. - Tom Project 1 Meter DEMs (.img)

The MDEQ and FEMA, 2012 1 meter DEMs in .img format.

File size is 17 GB.

Please send external hard drive to Steve Walker
Reference Map Report
Mississippi – Tupelo Area Project 1 Meter DEMs (.img)

The NRCS and USGS, 2012 1 meter DEMs in .img format.

File size is 36 GB.

Please send external hard drive to Steve Walker
Reference Map Report
Mississippi – Yazoo/Madison Project 4-Foot DEMs

MS Department of Environmental Quality and FEMA 2012, 4 –foot DEMs in geo-tiff format.

File size is 23 GB.

Please send external hard drive to Steve Walker
Reference Map Report
Mississippi Delta Project 5-Foot DEMs

US Corps of Engineers/Delta State 2009, 5-Foot DEM tifs for both elevation and hillshades.

Bolivar, Coahoma, DeSoto, Humphreys, Leflore, Quitman, Sunflower, Sharkey, Tunica, Warren, and Yazoo. The elevation DEM tiffs are 30 GB and the hillshade tiffs are 6 GB. Tiling Scheme

Please send external hard drive to Steve Walker
Reference Map Metadata
Mississippi Delta Project Phase II 5-Foot DEMs

US Corps of Engineers Phase II- 20I0, 5-Foot DEM (DTM and DSM Grids). Size for entire area is 53 GB. Tiling Scheme



Please send external hard drive to Steve Walker
Reference Map Report

Release of spatial data by MARIS is governed by the following legal policy:
The information contained on this website and data distributed by the Board of Trustees / Institutions of Higher Learning's MARIS Technical Center (MTC) is derived from a variety of public and private sector sources considered to be dependable, but the accuracy, completeness, and currency thereof are not guaranteed. The IHL/MTC makes no warranties, expressed or implied as to the accuracy, completeness, currency, reliability, or suitability for any particular purpose of information or data contained in or generated from the state geographic database. Additionally, the State of Mississippi, the Board of Trustees for IHL or any employee thereof assume no liability associated with the use of these data, and assume no responsibility to maintain them in any manner or form.