Ice Shelf Cracking


	Ice Shelf Cracking

Naomi-K

3-26-2008 12:09 AM

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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/36a2a152-6c1c-4094-87bc-52d74a810ca1/A7F0A706-49EB-4AF7-8A9E-5C92E739860F/" 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://news.nationalgeographic.com/news/2008/03/080325-antarctica-photo.html" href="http://news.nationalgeographic.com/news/2008/03/080325-antarctica-photo.html" style="font-size: 11px;">news.nationalgeographic.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.nationalgeographic.com/news/2008/03/080325-antarctica-photo.html"><P>
<B>March 25, 2008—</B>New satellite images reveal what scientists call the "runaway" collapse of an enormous ice shelf in <A href="http://www3.nationalgeographic.com/places/continents/continent_antarctica.html">Antarctica</A> as the result of <A href="http://science.nationalgeographic.com/science/environment/global-warming/gw-overview.html">global warming</A>.
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The chunk of coastal ice was some 160 square miles (415 square kilometers) in area—about seven times the size of Manhattan.
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"[It's] an event we don't get to see very often," Ted Scambos, lead scientist at the U.S. National Snow and Ice Data Center in Boulder, Colorado, said in a press statement. 
</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://news.nationalgeographic.com/news/2008/03/080325-antarctica-photo.html"><P>
David Vaughan of the British Antarctic Survey noted that the larger formation from which the chunk detached—the Wilkins Ice Shelf—could itself collapse in 15 years.
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"Wilkins is the largest ice shelf on West Antarctica yet to be threatened," Vaughan said in the statement. "This shelf is hanging by a thread."
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