Create an account or log in to save stories. A comparison shows the higher definition of a digital elevation map next to an image created from a traditional contour map. Chuck Fritz is a little ...

This digital elevation map, produced from satellite data overlain on an image taken by the Mars Orbital Camera on NASA’s Mars Global Surveyor spacecraft, shows changes in elevation along the ...

A digital map of the elevation of an area on the earth. The data are either collected by a private party or purchased from an organization such as the U.S. Geological Survey ...

The most complete digital topographic ever made of the Earth was released by NASA Monday. The map, known as a global digital elevation model, was created from images collected by the Japanese ...

The most complete digital topographic ever made of the Earth was released by NASA today (Oct. 17). The map, known as a global digital elevation model, was created from images collected by the ...

The resulting Global Digital Elevation Map covers 99% of the Earth's surface, and will be free to download and use. The Terra satellite, dedicated to Earth monitoring missions, has shed light on ...

The original global digital elevation model was released in June of 2009, but the new version adds more than a quarter million new stereo-pairs to the data set, improving spatial resolution and ...

Geographers, video game designers, and anyone else who needs a detailed three-dimensional map of Earth's mountains, valleys, and other land areas now have one available. Technicians at the U.S ...

The International Water Institute will launch a $5 million project today designed to develop a high-resolution digital elevation map of the entire U.S. portion of the Red River Basin.

It’s packed with millions of POIs and features digital elevation maps that show you shaded terrain contours at higher zoom levels. With the nüvi 500 series, ...

The new Arctic digital elevation model maps show a much more precise picture of the Interior. This map shows downtown Fairbanks rendered to show slopes, going from white (no slope) to red (steep ...