When National Geospatial-Intelligence Agency partners plan operations, the agency provides them with products that identify the latitude and longitude of various locations, so that they can pinpoint ...

The present study involves a comparative appraisal of three different sink removal algorithms. The publicly available shuttle radar topographic mission (SRTM) digital elevation model (DEM) version 3.0 ...

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 Advanced ...

Glaciers in the Altai Mountains of Mongolia provide an estimated 11% of the total water resources within the country. Yet, their number and area in inconsistent. Using satellite imagery acquired from ...