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	<title>Comments on: NASA: Another brutally hot year for the Siberian tundra</title>
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	<link>http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/</link>
	<description>The Latest on Climate Science, Solutions, and Politics</description>
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		<title>By: tt</title>
		<link>http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-25092</link>
		<dc:creator>tt</dc:creator>
		<pubDate>Thu, 18 Dec 2008 21:52:13 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-25092</guid>
		<description>During the last interglacial c. 125,000 years ago temperatures in northern Siberia were 5-10+ degrees warmer than now over a period of several thousand years. Most of the permafrost melted and forest grew up to the Arctic Coast (for a review of the climate and vegetation data see e. g. Velichko, Borisova &amp; Zelikson, Boreas 37: 1-19 (2008)) . No notable methane release resulted. This suggests to me that the methane release effect is vastly overrated. It is after all largely hypothetical, there seems to be essentially no empirical data.</description>
		<content:encoded><![CDATA[<p>During the last interglacial c. 125,000 years ago temperatures in northern Siberia were 5-10+ degrees warmer than now over a period of several thousand years. Most of the permafrost melted and forest grew up to the Arctic Coast (for a review of the climate and vegetation data see e. g. Velichko, Borisova &amp; Zelikson, Boreas 37: 1-19 (2008)) . No notable methane release resulted. This suggests to me that the methane release effect is vastly overrated. It is after all largely hypothetical, there seems to be essentially no empirical data.</p>
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		<title>By: ZZMike</title>
		<link>http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-25082</link>
		<dc:creator>ZZMike</dc:creator>
		<pubDate>Thu, 18 Dec 2008 20:41:45 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-25082</guid>
		<description>All this probably explains the severe cold front that&#039;s moved down from Siberia to the Western US, and other places.

[&lt;em&gt;JR:  Rest of this deleted because &quot;It&#039;s cold outside&quot; as a response to climate science is now officially more sad than funny.&lt;/em&gt;]
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		<content:encoded><![CDATA[<p>All this probably explains the severe cold front that&#8217;s moved down from Siberia to the Western US, and other places.</p>
<p>[<em>JR:  Rest of this deleted because "It's cold outside" as a response to climate science is now officially more sad than funny.</em>]</p>
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		<title>By: Bob Wallace</title>
		<link>http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-25064</link>
		<dc:creator>Bob Wallace</dc:creator>
		<pubDate>Thu, 18 Dec 2008 17:23:24 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-25064</guid>
		<description>Alex -&quot;Why is Siberia so hot and Canada is not?&quot;

I don&#039;t know, but I notice that there seems to be a much larger land mass in northern Europe/Asia than northern America.

That might be a good place to start looking for an answer.</description>
		<content:encoded><![CDATA[<p>Alex -&#8221;Why is Siberia so hot and Canada is not?&#8221;</p>
<p>I don&#8217;t know, but I notice that there seems to be a much larger land mass in northern Europe/Asia than northern America.</p>
<p>That might be a good place to start looking for an answer.</p>
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		<title>By: Richard Levangie</title>
		<link>http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-25041</link>
		<dc:creator>Richard Levangie</dc:creator>
		<pubDate>Thu, 18 Dec 2008 15:09:29 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-25041</guid>
		<description>David...

I&#039;ve just started a project to try to get climate change on the radar in the Great White North. It&#039;s early days yet... The web site is active, but we&#039;re still finalizing the design, and we&#039;ll be adding content regularly (which includes a blog).

We&#039;re supporting the coalition — having a leader who believes the science has to be better than having one who thinks climate change is a socialist plot — and we&#039;re hoping to create another coalition  of environmental, social, and even religious groups to speak together with one voice in Canada...This has been working very well in Scotland.

I&#039;m new to this... I have no training as an activist, and very little money, but I want to see if I can help make a difference. Keep an eye out for us.</description>
		<content:encoded><![CDATA[<p>David&#8230;</p>
<p>I&#8217;ve just started a project to try to get climate change on the radar in the Great White North. It&#8217;s early days yet&#8230; The web site is active, but we&#8217;re still finalizing the design, and we&#8217;ll be adding content regularly (which includes a blog).</p>
<p>We&#8217;re supporting the coalition — having a leader who believes the science has to be better than having one who thinks climate change is a socialist plot — and we&#8217;re hoping to create another coalition  of environmental, social, and even religious groups to speak together with one voice in Canada&#8230;This has been working very well in Scotland.</p>
<p>I&#8217;m new to this&#8230; I have no training as an activist, and very little money, but I want to see if I can help make a difference. Keep an eye out for us.</p>
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		<title>By: jorleh</title>
		<link>http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-25020</link>
		<dc:creator>jorleh</dc:creator>
		<pubDate>Thu, 18 Dec 2008 10:04:55 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-25020</guid>
		<description>I notice the rather red continues to Finland as is the fact. In Finland 100 000 km2 peat bogs (not exactly tundra) has been converted for agriculture and industrial forests during 150 years. They say that peat bogs in such use emit greenhouse gases 30 times more than the soil functions as carbon sink?</description>
		<content:encoded><![CDATA[<p>I notice the rather red continues to Finland as is the fact. In Finland 100 000 km2 peat bogs (not exactly tundra) has been converted for agriculture and industrial forests during 150 years. They say that peat bogs in such use emit greenhouse gases 30 times more than the soil functions as carbon sink?</p>
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		<title>By: David Lewis</title>
		<link>http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-25008</link>
		<dc:creator>David Lewis</dc:creator>
		<pubDate>Thu, 18 Dec 2008 07:19:29 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-25008</guid>
		<description>The very recent December 2008 USGS report &quot;Abrupt Climate Change&quot; has a chapter on methane.  For what its worth, Chapter 5 &quot;Potential for Abrupt Changes in Atmospheric Methane&quot; states its &quot;key findings&quot; right off the bat.  

finding 3.  &quot;There are a number of suggestions in the scientific literature about the possibility of catastrophic release of methane to the atmosphere based on both the size of the hydrate reservoir and indirect evidence from paleoclimatological studies. However, modeling and detailed studies of ice core methane so far do not support catastrophic methane releases to the atmosphere in the last 650,000 years or in the near future. A very large release of methane may have occurred at the Paleocene-Eocene boundary (about 55 million years ago), but other explanations for the evidence have been offered.&quot;

finding 4. &quot;The current network of atmospheric methane monitoring sites is sufficient for capturing large-scale changes in emissions, but it is insufficient for attributing changes in emissions to one specific type of source.&quot;

finding 5. &quot;Observations show that there have not yet been significant increases in methane emissions from northern terrestrial high-latitude hydrates and wetlands resulting from increasing Arctic temperatures.&quot;

and

finding 6. &quot;Catastrophic release of methane to the atmosphere appears very unlikely in the near term (e.g., this century). However, it is very likely that climate change will accelerate the pace of chronic emissions from both hydrate sources and wetlands. The magnitude of these releases is difficult to estimate with existing data. Methane release from the hydrate reservoir will likely have a significant influence on global warming over the next 1,000 to 100,000 years.&quot;

As far as Canadian awareness of climate change goes, its looking pretty bleak up here.  The last federal election featured one party, the Liberals, who had been in office longer in the 20th century than any other party in any other developed country, go down to one of its worst defeats because they put a carbon tax at the center of their campaign.  I just heard a Canadian Broadcasting Corp radio panel discussion on the Bush legacy, and his climate record was not mentioned.</description>
		<content:encoded><![CDATA[<p>The very recent December 2008 USGS report &#8220;Abrupt Climate Change&#8221; has a chapter on methane.  For what its worth, Chapter 5 &#8220;Potential for Abrupt Changes in Atmospheric Methane&#8221; states its &#8220;key findings&#8221; right off the bat.  </p>
<p>finding 3.  &#8220;There are a number of suggestions in the scientific literature about the possibility of catastrophic release of methane to the atmosphere based on both the size of the hydrate reservoir and indirect evidence from paleoclimatological studies. However, modeling and detailed studies of ice core methane so far do not support catastrophic methane releases to the atmosphere in the last 650,000 years or in the near future. A very large release of methane may have occurred at the Paleocene-Eocene boundary (about 55 million years ago), but other explanations for the evidence have been offered.&#8221;</p>
<p>finding 4. &#8220;The current network of atmospheric methane monitoring sites is sufficient for capturing large-scale changes in emissions, but it is insufficient for attributing changes in emissions to one specific type of source.&#8221;</p>
<p>finding 5. &#8220;Observations show that there have not yet been significant increases in methane emissions from northern terrestrial high-latitude hydrates and wetlands resulting from increasing Arctic temperatures.&#8221;</p>
<p>and</p>
<p>finding 6. &#8220;Catastrophic release of methane to the atmosphere appears very unlikely in the near term (e.g., this century). However, it is very likely that climate change will accelerate the pace of chronic emissions from both hydrate sources and wetlands. The magnitude of these releases is difficult to estimate with existing data. Methane release from the hydrate reservoir will likely have a significant influence on global warming over the next 1,000 to 100,000 years.&#8221;</p>
<p>As far as Canadian awareness of climate change goes, its looking pretty bleak up here.  The last federal election featured one party, the Liberals, who had been in office longer in the 20th century than any other party in any other developed country, go down to one of its worst defeats because they put a carbon tax at the center of their campaign.  I just heard a Canadian Broadcasting Corp radio panel discussion on the Bush legacy, and his climate record was not mentioned.</p>
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		<title>By: Sam</title>
		<link>http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-24994</link>
		<dc:creator>Sam</dc:creator>
		<pubDate>Thu, 18 Dec 2008 03:52:32 +0000</pubDate>
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		<description>Yikes! A minor correction. Well, actually I&#039;m just trying to test my own understanding of GWPs. You say that methane is &quot;twenty times more potent a greenhouse gas than carbon dioxide.&quot; I think it might be more accurate to say that it is 62 times more powerful over a 20 year period, and 20x more powerful over a hundred year period (since it has a residence life of about 12 years, and breaks down into CO2 and H20). I was taught that GWPs have to be stated with a time period to be accurate. The 62x number is much worse than the 20x because it means more warming is frontloaded, which will set the feedbacks in motion more quickly and more viciously than it otherwise would. If I recall correctly, I got this from Jonathan Cowie&#039;s book, &lt;i&gt;Climate Change,&lt;/i&gt; where he also talks about the possibility of a PETM redux.</description>
		<content:encoded><![CDATA[<p>Yikes! A minor correction. Well, actually I&#8217;m just trying to test my own understanding of GWPs. You say that methane is &#8220;twenty times more potent a greenhouse gas than carbon dioxide.&#8221; I think it might be more accurate to say that it is 62 times more powerful over a 20 year period, and 20x more powerful over a hundred year period (since it has a residence life of about 12 years, and breaks down into CO2 and H20). I was taught that GWPs have to be stated with a time period to be accurate. The 62x number is much worse than the 20x because it means more warming is frontloaded, which will set the feedbacks in motion more quickly and more viciously than it otherwise would. If I recall correctly, I got this from Jonathan Cowie&#8217;s book, <i>Climate Change,</i> where he also talks about the possibility of a PETM redux.</p>
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		<title>By: alex</title>
		<link>http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-24972</link>
		<dc:creator>alex</dc:creator>
		<pubDate>Thu, 18 Dec 2008 00:11:52 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-24972</guid>
		<description>Why is Siberia so hot and Canada is not? It is a pity it isn&#039;t the other way round, then people might be a bit more concerned.</description>
		<content:encoded><![CDATA[<p>Why is Siberia so hot and Canada is not? It is a pity it isn&#8217;t the other way round, then people might be a bit more concerned.</p>
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		<title>By: Mark Shapiro</title>
		<link>http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-24955</link>
		<dc:creator>Mark Shapiro</dc:creator>
		<pubDate>Wed, 17 Dec 2008 21:57:19 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-24955</guid>
		<description>Deborah Shapiro and Rolf Bjelke, the interesting members of my family, sailed to Antarctica for the third time about two years ago  (Hovgaard Island, on Palmer Peninsula).  The amount of ice loss was stupefying.  Ditto for Chilean Patagonia.

Just anecdotal, but it sure matches up with the map above.

Meanwhile, I hate it when feedbacks push us into a huge disaster.  Makes it hard to keep your sense of humor.</description>
		<content:encoded><![CDATA[<p>Deborah Shapiro and Rolf Bjelke, the interesting members of my family, sailed to Antarctica for the third time about two years ago  (Hovgaard Island, on Palmer Peninsula).  The amount of ice loss was stupefying.  Ditto for Chilean Patagonia.</p>
<p>Just anecdotal, but it sure matches up with the map above.</p>
<p>Meanwhile, I hate it when feedbacks push us into a huge disaster.  Makes it hard to keep your sense of humor.</p>
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		<title>By: Gareth</title>
		<link>http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-24950</link>
		<dc:creator>Gareth</dc:creator>
		<pubDate>Wed, 17 Dec 2008 21:04:39 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/2008/12/17/nasa-another-brutally-hot-year-for-the-siberian-tundra/#comment-24950</guid>
		<description>I&#039;ll bow to no man in my concern about Siberian warming, but there&#039;s another 2.5C+ region down south that is just as worrying - over the western &quot;root&quot; of the Antarctic Peninsula. Wilkins. Pine Island Glacier. West Antarctic Ice Sheet. Where SLR has nothing to do with photography...</description>
		<content:encoded><![CDATA[<p>I&#8217;ll bow to no man in my concern about Siberian warming, but there&#8217;s another 2.5C+ region down south that is just as worrying &#8211; over the western &#8220;root&#8221; of the Antarctic Peninsula. Wilkins. Pine Island Glacier. West Antarctic Ice Sheet. Where SLR has nothing to do with photography&#8230;</p>
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