Aral Sea, infrare satellite image, 1993

Aral Sea, infrare satellite image, 1993

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This image is part of the sequence Environment: Aral Sea

Credit: MDA INFORMATION SYSTEMS/SCIENCE PHOTO LIBRARY

Caption: Aral Sea. Infrared satellite image of the inland Aral Sea, with a former shoreline overlaid as a yellow line to show the shrinkage of the Sea. In the infrared range water is black, green vegetation is red and bare ground is blue. The Aral Sea loses water only by evaporation but is shrinking because water from feed rivers is used for irrigation. Once the world's fourth largest lake, the Aral Sea lost over 60% of its volume by 1996. Its salinity increased by 300% & killed many types of fish. Sediments were exposed to the air and swept up in great dust storms. Image from August 1993; the overlaid shoreline is from August 1989.

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Keywords: 1993, aral, aral sea, desertification, environment, evaporation, frm spa, from space, geography, irrigation, landsat imagery, problem, sea

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