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 (USGS) that has ...

Szuc’s river maps began as a creative outlet and an ... “It’s all 100% scientific, based on satellite data and digital elevation models,” he says. “Every stream and river is placed ...

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. A ceremony ...

"Siting [locating] communications towers is a lot easier to do if you have a digital elevation map. It can be used in airplanes. There is no technical reason now why a pilot can't have in the ...

Digital elevation maps also will be useful in road building. “Anytime you are doing a highway project in a new area, you want to do flood plain mapping,” Mushill said. When a company is ...

Converted from USGS Digital Elevation Map (DEM) data, the product contains over 900 grayscale images that represent height data of many locations in the US. The Terrain Toolkit — compatible with ...

He made good on that promise this week with the release of the first set of maps, called Arctic digital elevation models or ArcticDEMs, created through the National Science Foundation and National ...