Global warming time bomb trapped in Arctic soil: study


	Global warming time bomb trapped in Arctic soil: study

JICWyllie

8-27-2008 8:25 AM

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tags:

environment, forest, taiga, water, i-climate change, i-melting, i-heating, i-consequences

JICWyllie says:

Le coup de grace, tabernaque. Meme moi, j'ai peur, colis.

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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/18c6625e-eb8f-4788-b1ea-ce15737b8011/66B83F31-4BD7-4157-8F8A-D58EB4AF3D09/" 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.yahoo.com/s/afp/20080824/sc_afp/scienceclimatewarmingcarbonarctic" href="http://news.yahoo.com/s/afp/20080824/sc_afp/scienceclimatewarmingcarbonarctic" style="font-size: 11px;">news.yahoo.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.yahoo.com/s/afp/20080824/sc_afp/scienceclimatewarmingcarbonarctic"><SPAN id="lw_1219598266_0" class="yshortcuts">Climate change</SPAN> could release unexpectedly huge stores of <SPAN id="lw_1219598266_1" class="yshortcuts">carbon dioxide</SPAN> from Arctic soils, which would in turn fuel a vicious circle of <SPAN id="lw_1219598266_2" class="yshortcuts">global warming</SPAN>, a new study warned</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.yahoo.com/s/afp/20080824/sc_afp/scienceclimatewarmingcarbonarctic">current models of climate change have not taken this extra source of <SPAN id="lw_1219598266_3" class="yshortcuts">greenhouse gas</SPAN> into account.</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.yahoo.com/s/afp/20080824/sc_afp/scienceclimatewarmingcarbonarctic"><P>
The study, published in the <SPAN id="lw_1219598266_7" class="yshortcuts">British journal Nature Geoscience</SPAN>, found that the stock of organic carbon "is considerably higher than previously thought" -- 60 percent more than the previously estimated.</p> <P>
This is roughly equivalent of one sixth of the entire carbon content in 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://news.yahoo.com/s/afp/20080824/sc_afp/scienceclimatewarmingcarbonarctic">
And that is just for North America.</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.yahoo.com/s/afp/20080824/sc_afp/scienceclimatewarmingcarbonarctic">
And the danger of a thaw is real, note climate scientists.</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.yahoo.com/s/afp/20080824/sc_afp/scienceclimatewarmingcarbonarctic">the <SPAN id="lw_1219598266_11" class="yshortcuts">climate change models</SPAN> upon which future projections are based, do not include the potential impact of the gases trapped frozen Arctic soils.</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.yahoo.com/s/afp/20080824/sc_afp/scienceclimatewarmingcarbonarctic">
"Releasing even a portion of this carbon into the atmosphere, in the form of methane or <SPAN id="lw_1219598266_12" class="yshortcuts">carbon dioxide</SPAN>, would have an significant impact on Earth's climate," he noted </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/66B83F31-4BD7-4157-8F8A-D58EB4AF3D09/blog/" title="blog or email this clip"><img src="http://content6.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>