Ancient Green Sahara Slowly Transformed to Planet's Largest Desert


	Ancient Green Sahara Slowly Transformed to Planet's Largest Desert

tabsey

5-12-2008 6:14 AM

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tags:

changing, planet

tabsey says:

Woder how much of Africa it will eventually cover.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/8c6d7db0-6ab1-4a7f-a020-b132d3aebae1/C33352A3-AC1C-4D9A-8A96-11C7A8077101/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.dailygalaxy.com/my_weblog/2008/05/ancient-green-s.html" href="http://www.dailygalaxy.com/my_weblog/2008/05/ancient-green-s.html" style="font-size: 11px;">www.dailygalaxy.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dailygalaxy.com/my_weblog/2008/05/ancient-green-s.html"><P><A href="http://www.dailygalaxy.com/photos/uncategorized/2008/05/11/maro0662_2.jpg"><IMG width="460" height="206" border="0" alt="Maro0662_2" title="Maro0662_2" src="http://www.dailygalaxy.com/my_weblog/images/2008/05/11/maro0662_2.jpg" /></A>
 The world’s largest hot desert (seeing as technically Antarctica is the largest desert, though cold), the Sahara measures in at over 9 million square kilometers, and covers the majority of northern Africa. With an intermittent history that some believe may go back as far as 3 million years, a new study questions how it made its transition from lush
greenery to hot sandy desert.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dailygalaxy.com/my_weblog/2008/05/ancient-green-s.html"><P>According to the European-US-Canadian team of scientists behind the
study, the Sahara finished a slow transition 2,700 years ago to become
the desert that we know today. This is in direct contrast to previously
held thoughts that the desertification of the Sahara came abruptly.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dailygalaxy.com/my_weblog/2008/05/ancient-green-s.html"><P>
Six thousand years ago we know that the massive northern area of Africa
was very green; an area filled with trees, savannas and lakes. </P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/C33352A3-AC1C-4D9A-8A96-11C7A8077101/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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