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Texas Basemap - Lidar DEM
A newer version of this resource http://www.hydroshare.org/resource/af6ae321e2ad40a1bc6d0b695370fbfc is available that replaces this version.
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Type: Resource
Storage: The size of this resource is 5.5 GB
Created: May 24, 2018 at 8:42 p.m. (UTC)
Last updated: Jan 29, 2026 at 3:59 a.m. (UTC) (Metadata update)
Published date: Nov 26, 2018 at 4:15 a.m. (UTC)
DOI: 10.4211/hs.0af044f25ebb4cc7b15f54f025378832
Citation: See how to cite this resource
Sharing Status: Published
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Abstract

This resource contains Lidar-DEM collection status shapefiles from the Texas Natural Resources Information System (TNRIS) [http://tnris.org]
November 2023 updates: this year, TNRIS changed its name to Texas Geographic Information Office (TxGIO). The domain name hasn't changed yet, but the data hub is continually evolving. See [1], [2] for current downloadable data.

For purposes of Hurricane Harvey studies, the 1-m DEM for Harris County (2008) has also been uploaded here as a set of 4 zipfiles containing the DEM in tiff files. See [1] for a link to the current elevation status map and downloadable DEMs.
Project name: H-GAC 2008 1m
Datasets: 1m Point Cloud, 1M Hydro-Enforced DEM, 3D Breaklines, 1ft and 5ft Contours
Points per sq meter: 1
Total area: 3678.56 sq miles
Source: Houston-Galveston Area Council (H-GAC)
Acquired by: Merrick, QA/QC: Merrick
Catalog: houston-galveston-area-council-h-gac-2008-lidar

References:
[1] TNRIS/TxGIO StratMap elevation data [https://tnris.org/stratmap/elevation-lidar/]
[2] TNRIS/TxGIO DataHub [https://data.tnris.org/]

Subject Keywords

Content

README.md

Texas Basemap - Lidar DEM

This resource contains Lidar-DEM collection status shapefiles from the Texas Natural Resources Information System (TNRIS) [http://tnris.org].

For purposes of Hurricane Harvey studies, the 1-m DEM for Harris County has also been uploaded as a set of 4 zipfiles containing the DEM in tiff files.

H-GAC 1m Lidar Dataset

Related Resources

The content of this resource is derived from https://tnris.org/data-catalog/entry/houston-galveston-area-council-h-gac-2008-lidar/
This resource has been replaced by a newer version Texas Natural Resources Information System (TNRIS), Texas Geographic Information Office (TxGIO) (2026). Texas Basemap - Lidar Elevation Data (DEM), HydroShare, http://www.hydroshare.org/resource/af6ae321e2ad40a1bc6d0b695370fbfc
This resource belongs to the following collections:
Title Owners Sharing Status My Permission
Harvey Basemap Data Collections David Arctur · Harvey datamgr · Christine Thies · CUAHSI Publisher  Published Open Access
Texas Addresses Basemap Collection David Arctur · CUAHSI Publisher  Published Open Access

Credits

Contributors

People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Joey Thomas Texas Natural Resources Information System (TNRIS) Austin, TX
Miguel Pavon Texas Natural Resources Information System (TNRIS) Austin, TX

How to Cite

Texas Natural Resources Information System (TNRIS) (2026). Texas Basemap - Lidar DEM, HydroShare, https://doi.org/10.4211/hs.0af044f25ebb4cc7b15f54f025378832

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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