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Physical Sciences Dangerous meddling in things man was not meant to know. Physics, Astronomy, Chemistry, etc.

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Old 12-02-2010, 05:54 PM   #1207266  /  #1
ksen
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Default Sahara Desert Greening Due to Climate Change?

Sahara Desert Greening Due to Climate Change?

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Scientists are now seeing signals that the Sahara desert and surrounding regions are greening due to increasing rainfall.

If sustained, these rains could revitalize drought-ravaged regions, reclaiming them for farming communities.

This desert-shrinking trend is supported by climate models, which predict a return to conditions that turned the Sahara into a lush savanna some 12,000 years ago.

Green Shoots

The green shoots of recovery are showing up on satellite images of regions including the Sahel, a semi-desert zone bordering the Sahara to the south that stretches some 2,400 miles (3,860 kilometers).

Images taken between 1982 and 2002 revealed extensive regreening throughout the Sahel, according to a new study in the journal Biogeosciences.

The study suggests huge increases in vegetation in areas including central Chad and western Sudan.
Is this happening in other arid regions of the world too?
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Old 12-02-2010, 06:03 PM   #1207285  /  #2
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Interesting. Looking forward to reading the paper (can't seem to find it yet) - Martin Claussen is a good guy.
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Old 12-02-2010, 06:24 PM   #1207313  /  #3
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Whaaaat??? That crazy talk. Next thing you know, this warming will turn the Sahara into a jungle again. Haha! Oh that would be crazy, wouldn't it?


http://news.nationalgeographic.com/n...en-sahara.html

But, how can life adapt to such sudden changes? If the desert turns into lush tropical rainforest, what will happen to the desert creatures?
The greening of the Sahel has been known about for a while now. It's not front page news, like how "possibly" millions will die from global warming.
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