Elevation Data for the State of TN

Tennessee Elevation/LiDAR Program. (2025). LiDAR Information. Retrieved August 21, 2025, from https://lidar.tn.gov/pages/ec6c43abf03d42e7b7347e07274b0e98

Collect and deliver high-density elevation point data derived from multiple-return light detection and ranging (LiDAR) measurements for use in supporting topographic analysis, including applications such as flood plain mapping. The Nominal Point Spacing Value for the final lidar is 3.2 ft (~1 m). Deliver LiDAR Bare Earth and Contour lines within the areas designated in areas of Clay, Itawamba,...

This layer shows building footprints extracted from the Tennessee Lidar dataset.

Tile Index for 2015 LiDAR project covering Van Buren and Sequatchie county TN.

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In 2016, counties in east Tennessee were flown to derive a lidar point cloud of ground elevations at approximately 8 points per square meter. In 2017, counties in west North Carolina were flown to derive a lidar point cloud of ground elevations at approximately 8 points per square meter. The lidar tiles represented in this feature service can be used to locate the most recent lidar data collection efforts in Great Smoky Mountains National Park.The corresponding Integration of Resource Management Applications (IRMA) NPS Data Store reference is Great Smoky Mountains National Park Lidar Tiles.

Coweeta LTER researchers sampled fifty-eight stream sites in the Upper Little Tennessee River Basin in February and June of 2009. Sites were selected to represent the range of land cover and land use within the basin. Samples were taken over three days of stable weather and discharge during periods of baseflow. They were used to characterize conditions across the basin during the growing and the non-growing seasons without the influence of elevated discharge. The GIS data presented was used to both help in selecting the 58 sites. The GIS files are split between raster and vector files. The files are in .zip archives. There are text files with information about each GIS in the .zip files.

This data set was derived from Lidar provided by Hamilton County (2022) and displays buildings within Chattanooga city limits with LOD2 which includes building heights and roof types. This data was created by the University of Tennessee at Chattanooga IGTLab.

Buildings and structures in Washington, Carter, and Unicoi, and a portion of Sullivan County, TN created from a compliation of aerial photography (1993, 2007, 2011) and the 2016 State of TN LIDAR Data.

CAL_LID_L2_05kmALay-Standard-V4-20 is the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) Lidar Level 2 5 km Aerosol Layer Data, Version 4-20 data product. This data product was collected using the Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) instrument. Data generation and distribution of this V4.20 product ended on July 1, 2020, to support a change in the operating system of the CALIPSO production clusters. The V4.21 data product covers July 1, 2020, to July 1, 2023.

Within the Lidar Aerosol Layer Product, there are two general classes of data:- Column Properties (including position data and viewing geometry) and Layer Properties. The lidar layer products consist of a sequence of column descriptors, each one of which is associated with a variable number of layer descriptors. The column descriptors specify the temporal and geophysical location of the column of the atmosphere through which a given lidar pulse travels. Also included in the column descriptors are indicators of surface lighting conditions, information about the surface type, and the number of features (e.g., aerosol layers) identified within the column.

CALIPSO was launched on April 28, 2006, and continues to collect data necessary to study the impact of clouds and aerosols on the Earth's radiation budget and climate. It flies in the international A-Train constellation for coincident Earth observations. The CALIPSO satellite comprises three instruments: CALIOP, Imaging Infrared Radiometer (IIR), and Wide Field Camera (WFC). CALIPSO is a joint satellite mission between NASA and the French Agency CNES (Centre National D’Etudes Spatiales).

This data set was derived from Lidar provided by the USGS 3DEP program (2016) and shows downtown Chattanooga Buildings with LOD2. This data was created by the University of Tennessee at Chattanooga IGTLab by Charlie Mix, GIS Director.

LOD2 Building heights and roof types derived from 2016 Lidar from USGS 3DEP.

The West Tennessee 2019 Lidar Project was broken into three sections. Block 3 covered Crockett, Dyer, Gibson, Haywood, Lake, Lauderdale, Madison, Obion, Tipton, and Weakley counties in Tennessee. This project was completed by USGS and Woolpert Inc. February 8, 2019 through January 17, 2021. Project specifications were based on the U.S. Geological Survey National Geospatial Program Base Lidar Specification, Version 1.3. The data was developed based on a horizontal datum/projection of NAD83 (2011) State Plane Tennessee Zone 5301 (FIPS 4100), US Survey Feet, and a vertical datum of NAVD88 (GEOID12B), US Survey Feet.

Data created 2013 from LiDAR project for West TN sponsored by the USDA and NRCS. State of TN OIR GIS Services was kind enough to take the original DEMs and LAS files to create the 2ft contours. Current as of Summer 2014.

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