Does remote-sensing information, such as that from Landsat and similar Earth-observing satellites, provide economic benefits to society, and can this value be estimated? Using satellite data for northeastern Iowa, U.S. Geological Survey scientists modeled the relations among land uses, agricultural production, and dynamic nitrate (NO3–) contamination of aquifers.
Contributor: Robert Bindschadler, NASA Goddard Space Flight Center The stability of the West Antarctic Ice Sheet is an issue of active research and societal concern
In August 2006, the United Nations Environment Programme (UNEP), released an atlas entitled: “Africa’s Lakes: Atlas of Our Changing Environment.” The atlas relies heavily on
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
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
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
Location: Harrisburg, Pennsylvania This Landsat view shows Harrisburg and the Appalachian Mountains of central Pennsylvania. The Piedmont province is visible in the lower right corner. The
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