Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment ...

Landsat satellites have gone beyond observing Earth’s land by enabling new methods to measure ocean depth in shallow coastal ...

Satellite data has enabled researchers at the U.S. Geological Survey (USGS) to develop a new way to measure ocean depth. The technique, which uses imagery captured by the Landsat program, works ...