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What Data Do We Use?

As of 5/28/2020, TowerCoverage has updated our 1/3 ARC Data set with a new version of Lidar Data.

This is 1 meter Lidar Data converted to 10 Meter Data.

Notice: This data is only available in areas the USGS and the state of Kentucky made publicly available.

Kentucky Updated Lidar
Old Data
New Data

As of 2/24/2020, USGS Landcover for the lower 48 has been updated to 2016 data

USGS Updated data

Elevation data sources

Resolution of Elevation Data
Source for CONUS and Hawai: USGS NED 1/3 at Seamless data distribution system

Source Shuttle Radar Topography Mission (SRTM) data products 1 arcsecond

Source for Alaska: USGS Alasaka NED 2 at Seamless data distribution system

Source for Northern Canada and void filling: Natural Resources Canada CDED at Geobase

Source for Northern Canada and void filling: Natural Resources Canada CANVEC at Geobase

Source for Northern Canada and void filling: ASTER

Source of SRTM Void filled for Eurasia: Viewfinder Panoramas

Land cover data sources

Landcover Resolution
Source CONUS: NLCD 2016 Seamless data distribution system

Source Canada: Natural Resources Canada Circa 2000 at Geobase

Source Europe: Corine landcover at European Environment Agency

Source World: Globcover at European Environment Agency