oceans could absorb much more CO2

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	oceans could absorb much more CO2

mona

9-1-2009 11:15 PM

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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/106884a5-9f48-4e84-8ae9-24fec6f5824f/A8B5C013-B529-4D79-9D55-443D7748A6C0/" 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://dsc.discovery.com/news/2009/09/01/oceans-carbon-absorb.html" href="http://dsc.discovery.com/news/2009/09/01/oceans-carbon-absorb.html" style="font-size: 11px;">dsc.discovery.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://dsc.discovery.com/news/2009/09/01/oceans-carbon-absorb.html">Earth's oceans are vast reservoirs of carbon dioxide (CO2) with the potential to control the pace of global warming</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://dsc.discovery.com/news/2009/09/01/oceans-carbon-absorb.html"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/dsc.discovery.com/img/11748674-B506-4456-9083-7099155FAED8" alt="Carbon Sink" /></div></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://dsc.discovery.com/news/2009/09/01/oceans-carbon-absorb.html">It all hinges on the fate of marine "snow" -- a constant sprinkle of carbon-rich bits that flutter down from the sea surface to the cold depths </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://dsc.discovery.com/news/2009/09/01/oceans-carbon-absorb.html">Each year, phytoplankton floating in the seas' big blue expanse drink in 10 billion tons of carbon from the air (<A target="_blank" href="http://dsc.discovery.com/news/2009/04/29/emissions-cut-warming.html">humans emit about 8 billion tons</A>).</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://dsc.discovery.com/news/2009/09/01/oceans-carbon-absorb.html"><P>Today, most of the recycling happens in the first 210 meters (689 feet) below the ocean surface. According to a new study published in the journal <EM>Nature Geoscience</EM>, if that depth sank by just 24 meters, it could remove up to 27 parts per million more of CO2 from the atmosphere.  
</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://dsc.discovery.com/news/2009/09/01/oceans-carbon-absorb.html">because the deeper the snow falls into the ocean without being eaten, the more carbon-rich snow reaches the ocean floor</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://dsc.discovery.com/news/2009/09/01/oceans-carbon-absorb.html">Once it is eaten, it becomes dissolved CO2, and it's just a matter of a short time (months to years instead of tens of thousands of years for the snow)</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://dsc.discovery.com/news/2009/09/01/oceans-carbon-absorb.html">makes its way back into the atmosphere. </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/A8B5C013-B529-4D79-9D55-443D7748A6C0/blog/" title="blog or email this clip"><img src="http://content9.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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