19 Nov '11, 11pm

Suguta Valley, Kenya [image] #NASA

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: 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...

NASA Earth Observato Suguta Valley, Kenya: Thes...

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...

Israel-Egypt-Gaza border region [Image] #NASAEa...

earthobservatory.nasa.gov 20 Nov '11, 11pm

A clearly visible line marks about 50 kilometers of the international border between Egypt and Israel in this astronaut ph...

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earthobservatory.nasa.gov 18 Nov '11, 10pm

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earthobservatory.nasa.gov 20 Nov '11, 11pm

A clearly visible line marks about 50 kilometers of the international border between Egypt and Israel in this astronaut ph...

Israel-Egypt-Gaza border region: A clearly visi...

earthobservatory.nasa.gov 20 Nov '11, 11pm

A clearly visible line marks about 50 kilometers of the international border between Egypt and Israel in this astronaut ph...

NASA Earth Observato Puyehue-Cordón Caulle: A p...

earthobservatory.nasa.gov 18 Nov '11, 11pm

More than five months after its initial explosive eruption, Chile’s Puyehue-Cordón Caulle volcano continues to produce imp...

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Image taken yesterday of flood waters in Thaila...

earthobservatory.nasa.gov 18 Nov '11, 12pm

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earthobservatory.nasa.gov 24 Nov '11, 11pm

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#JessicaOgden ASOS launch #ethical #fashion collection to create #sustainable employment in #Kenya:

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earthobservatory.nasa.gov 18 Nov '11, 11pm

More than five months after its initial explosive eruption, Chile’s Puyehue-Cordón Caulle volcano continues to produce imp...