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 ...

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 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 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 ...

Digital cartographer Robert Szucs turns maps of rivers into rainbow-colored pieces of art. ... “It’s all 100% scientific, based on satellite data and digital elevation models,” he says.

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.

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 ...