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SCIENTISTS FIND LAKE REMNANTS IN SUDAN

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Bianca
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« on: July 19, 2007, 09:12:19 am »





                     



"As we began to look into this, we realized we were dealing with a vast low area, a depression. And then we began to look at the details of the depression and we actually found the terraces, meaning the edges of the lake, way up on the nearby mountains," he said.

"That's why we call it a megalake, because it is an incredibly large lake. It is the size of the state of Massachusetts, or Lake Erie."

Researchers said the ancient lake would have contained about 607 cubic miles of water when full during past humid climate phases.

"One thing is certain, much of the lake's water would have seeped through the sandstone substrate to accumulate as groundwater," el-Baz said in a report.

El-Baz, who worked on NASA's Apollo program as a supervisor of lunar science planning, conducted similar research in Egypt that led to the construction of 500 wells in an arid region of his native country.

That project helped irrigate up to 150,000 acres (60,700 hectares) of farmland where wheat and other crops are grown.

"As proven earlier in southwest Egypt, just northeast of Darfur, a similar former lake is underlain by vast amounts of groundwater," he said.




© Reuters 2007.
« Last Edit: July 19, 2007, 09:15:03 am by Bianca2001 » Report Spam   Logged

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