2016-2018 USGS Lidar Data Release

The Texas Natural Resources Information System (TNRIS) is pleased to announce the release of about 35,000 square miles of recently acquired high resolution lidar data for five USGS collections from 2016-2018. Aerial collection took place during the leaf-off season in Texas.

The primary purpose of these projects was to develop consistent and accurate USGS Quality Level 2 (QL2) elevation datasets from high-accuracy lidar.

Details regarding these acquisitions can be found by downloading the supplemental reports found in the datahub entries listed below.

Data Access

To download the USGS 2016-2018 lidar data products, please use the DataHub.

Launch DataHub

Please see our Lidar status map for statewide lidar coverage.

PRODUCTS

• Classified all-return lidar in LAS 1.4 format
• Bare-earth digital elevation model (DEM) in .img format (1-meter)
• Lidar intensity images in GeoTIFF format (1-meter)
• Hydro-flattening breaklines in SHP or Geodatabase
• Project-level FGDC metadata in XML

PRODUCT SPECIFICATION

These lidar collections were all collected at the USGS Lidar specification Version 1.2.

• Projection Specifications
  • Horizontal projections are in UTM NAD83 (2011) Zone 14 & Zone 15
  • Vertical projection is NAVD88 Geoid 12B
  • Units are in meters denoting orthometric heights