News Archives
Monitoring lake inventories and health
Contributor: John Schott, Rochester Institute of Technology As snow begins to melt at the close of winter, large lakes receive warm spring river run-off carrying pollutants that are potentially harmful
Monitoring volcanic flow activity
Location: Mt. St. Helens, Washington These satellite images show the area around Mount St. Helens, in southwestern Washington, before and after its eruption of May 18, 1980. The initial volcanic
Monitoring urban growth
Contributor: Jeffrey G. Masek, NASA Goddard Space Flight Center Traffic jams and air pollution in large metropolitan areas are sure signs of expanding populations. Across the globe, 50 percent of
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
