19 Nov '11, 11pm

NASA Earth Observato Suguta Valley, Kenya: These images provide wide-area and close-up views of Suguta, today a

The Suguta Valley is one of the driest places in Kenya, and may be one of the driest places near Earth's Equator. The remote location limits field studies, but data indicate that annual precipitation is less than 300 millimeters (12 inches) a year, while evaporation ranges from 3,000 to 4,000 millimeters (120 to 160 inches). And yet, as recently as 8,000 years ago, this arid valley was a vast lake. On January 10, 2011, the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite captured this natural-color image of the north end of the Suguta Valley, including Logipi Lake, which seasonally fills just a small portion of the valley. Derived from Shuttle Radar Topography Mission (SRTM) data, the white line around the valley in the top image approximates the Lake Suguta shoreline when water levels were at their highest. The Suguta Valley floor is relatively flat...

Full article: http://earthobservatory.nasa.gov/IOTD/view.php?id=76430&s...

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Suguta Valley, Kenya [image] #NASA

earthobservatory.nasa.gov 19 Nov '11, 11pm

The Suguta Valley is one of the driest places in Kenya, and may be one of the driest places near Earth's Equator. The remo...

Suguta Valley, Kenya: These images provide wide...

earthobservatory.nasa.gov 19 Nov '11, 11pm

The Suguta Valley is one of the driest places in Kenya, and may be one of the driest places near Earth's Equator. The remo...

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