News Archives
Monitoring crop and forest harvests
Contributor: David Skole Michigan State University Even though tropical deforestation is a well-known problem, the rate of deforestation in the tropics is currently known to only a very general degree.
Mapping shoals, reefs and shallow areas
Location: Long Island, Bahamas The red colors in this Landsat false-color infrared composite image of Long Island, Bahamas, give us an indication of its lush vegetation. The different shades of
Precision farming land management
Contributor: Susan Moran, U.S. Department of Agriculture For farmers and land managers, increasing crop yields and cutting costs while reducing environmental pollution is a constant challenge. To accomplish this goal,
Monitoring irrigation practices
Location: Imperial Valley, California Source: USGS Earthshots The Imperial Valley is actually an extension of the Gulf of California, cut off from the Gulf by the Colorado River’s delta fan.
Monitoring deforestation
Location: Rondônia, Brazil Source: USGS Earthshots These images show a portion of the state of Rondônia, Brazil, in which tropical deforestation has occurred. The 1975 and 1986 images are MSS
Determining patterns and extent of turbidity
Location: Chao Phraya River, Thailand Landsat TM image showing sediment in the Gulf of Thailand at the mouth of the Chao Phraya River. Colors represent different concentrations of sediment. Sediment
Determining patterns and extent of turbidity
Location: Chao Phraya River, Thailand Landsat TM image showing sediment in the Gulf of Thailand at the mouth of the Chao Phraya River. Colors represent different concentrations of sediment. Sediment
Mapping floods and flood plain characteristics
Location: Great Salt Lake, Utah Source: USGS Earthshots The Great Salt Lake is a terminal lake, with no outlet rivers running to the ocean. This means the lake responds dramatically
