elevation data

A screenshot showing green gradient elevation points on top of a raster layer with a yellow to dark red elevation gradient.

Using interpolation to create a surface layer with contours in QGIS

Jeff Oppong

This GIS tutorial shows you how to find elevation data points and create a surface layer and contours using QGIS.

Screenshot showing a project in QGIS with a grayscale digital elevation model and an elevation profile.

Creating Elevation Cross-Section Profiles with QGIS

Jeff Oppong

Learn to create elevation cross-sections in QGIS with the Profile Tool plugin and SRTM elevation data.

Screenshot of the OpenTopography map interface.

Find Open Sources of Elevation Data With OpenTopography

Caitlin Dempsey

OpenTopography is a portal that provides access to open sources of topographical datasets and processing tools.

Version 3 of the ASTER Global Digital Elevation Model Released

Caitlin Dempsey

2.3 million scenes from the ASTER archive were processed to create the latest version of the ASTER Global Digital Elevation Model (GDEM).

ICESat-2: Highest Resolution Laser Altimeter

Caitlin Dempsey

ICESat-2's purpose is to collect detailed measurements of the Earth's surface using its Advanced Topographic Laser Altimeter System (ATLAS).  

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