Is Google Earth Pro elevation data accurate?
The elevation data from SRTM are available at a 3 arc-second (about 90 meter) resolution with an 80% global coverage. A vertical accuracy study found the root mean square error (RMSE) of GDEM data is 8.68 meters when compared against 18,000 geodetic control points in the USA [14].
How accurate is SRTM elevation data?
The Shuttle Radar Topography Mission (SRTM) Digital Terrain Elevation Data (DTED) are used with the consensus view that it has a minimum vertical accuracy of 16 m absolute error at 90% confidence (Root Mean Square Error (RMSE) of 9.73 m) world-wide.
Is the SRTM Digital Elevation Dataset free?
Earth Engine is free to use for research, education, and nonprofit use. To access this dataset in Earth Engine, please sign up for Earth Engine then return to this page. The Shuttle Radar Topography Mission (SRTM) digital elevation dataset was originally produced to provide consistent, high-quality elevation data at near global scope.
What kind of elevation data does Google Earth use?
Google Earth uses digital elevation model (DEM) data collected by NASA’s Shuttle Radar Topography Mission (SRTM). Thanks for contributing an answer to Geographic Information Systems Stack Exchange!
Why is shuttle radar topography mission ( SRTM ) important?
The Shuttle Radar Topography Mission (SRTM) digital elevation dataset was originally produced to provide consistent, high-quality elevation data at near global scope. This version of the SRTM digital elevation data has been processed to fill data voids, and to facilitate its ease of use.
Where can I find SRTM for the globe version 4?
Hole-filled SRTM for the globe Version 4, available from the CGIAR-CSI SRTM 90m Database: https://srtm.csi.cgiar.org. Important: Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users.