Pre-historic Global Warming - or an ongoing phenomena


	Pre-historic Global Warming - or an ongoing phenomena

Blue-moon

9-14-2007 6:36 AM

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tags:

environment

Blue-moon says:

Humans may not be helping things with current environmental changes but we also cannot be totally to blame. Who still thinks environmental taxes are really going to make a difference?

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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://www.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/082e56a1-c451-4501-a349-487c4ea213d6/F8B3FB9F-B6FD-47A8-91A7-4266EC8AFDE8/" 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.agiweb.org/geotimes/oct06/feature_Geocatastrophes.html" href="http://www.agiweb.org/geotimes/oct06/feature_Geocatastrophes.html" style="font-size: 11px;">www.agiweb.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.agiweb.org/geotimes/oct06/feature_Geocatastrophes.html"><FONT size="5" face="Arial Narrow" color="#ff0000">When the Mediterranean Dried Up:     Forensics of a Geocatastrophe</FONT></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.agiweb.org/geotimes/oct06/feature_Geocatastrophes.html">Approximately 6 million years ago, the Mediterranean Sea dried up, only to be refilled a few hundred thousand years later. </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.agiweb.org/geotimes/oct06/feature_Geocatastrophes.html">In his classic 1983 book <EM>The Mediterranean Was a Desert</EM>, geoscientist Ken Hsu paints a dramatic picture of a “deep, dry, hot hellhole,” some 3 kilometers below global sea-level. </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.agiweb.org/geotimes/oct06/feature_Geocatastrophes.html"><P>According to Hsu and his colleagues Maria Bianca Cita and Bill Ryan, the crisis ended suddenly, with the Atlantic pouring through the Straits of Gibraltar as a giant waterfall “one hundred times bigger than Victoria Falls and a thousand times grander than Niagara.” The Hsu-Cita-Ryan model has since passed into folklore, widely regarded as the most dramatic example of sea-level change in the geologic record. </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.agiweb.org/geotimes/oct06/feature_Geocatastrophes.html">Since then, researchers have repeatedly invoked a dry Mediterranean seabed as a temporary land bridge to allow migrations of land animals and the subsequent isolation of particular species</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/F8B3FB9F-B6FD-47A8-91A7-4266EC8AFDE8/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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