Digital Elevation/Terrain Model (DEM) Learning Resources

Webinars, tutorials, data recipes and more to help you work with Digital Elevation/Terrain Model (DEM).

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This image provides before and after RTC of the Bolivian mountains (left -before, right - after)

Radiometrically Terrain-Correct (RTC) Sentinel-1 Data Using GAMMA Software

This data recipe shows users how to use GAMMA software and scripts for high-quality results to correct distortions in SAR images.

Data Recipe

Oct 2, 2024

These images show before and after: Before radiometric terrain correction (RTC), Klamath Mountains in northern California appear stretched on one side and compressed on the other (left). RTC (right) moves pixels to unstretch the mountains and adjusts pixel values to subtract the effect of slopes on brightness. Left: © JAXA/METI 2008; right: ASF DAAC 2016; Includes Material © JAXA/METI 2008.

Terrain-Correct CEOS Data

This data recipe guides users to terrain correct CEOS-formatted data granules for legacy platforms.

Data Recipe

Oct 18, 2016

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Digital Elevation/Terrain Model (DEM) Learning Resources

Radiometrically Terrain-Correct (RTC) Sentinel-1 Data Using GAMMA Software

Terrain-Correct CEOS Data

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