05 Apr '12, 10pm

How the Dead Sea has changed over the last 40 years: satellite views from @NASA_Landsat @USGSLandsat.

How the Dead Sea has changed over the last 40 years: satellite views from @NASA_Landsat @USGSLandsat.

The Dead Sea is so named because its high salinity discourages the growth of fish, plants, and other wildlife. This salt lake resides in a depression in the Earth's crust, where the continents of Africa and Asia are pulling away from each other. It has pulled in visitors and industries for thousands of years. The Dead Sea is the lowest surface feature on Earth, sitting roughly 1,300 feet (400 meters) below sea level. On a hot, dry summer day, the water level can drop as much as one inch (two to three centimeters) because of evaporation. The false-color images above were captured by the Landsat 1, 4, and 7 satellites. The Multispectral Scanner System on Landsat 1 acquired the top image on September 15, 1972, by . The middle image was acquired on August 27, 1989, by the Thematic Mapper on Landsat 4. The third image is from the Enhanced Thematic Mapper Plus on Landsat 7 on Oc...

Full article: http://earthobservatory.nasa.gov/IOTD/view.php?id=77592

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