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	<title>Comments on: Time to Start Watching Arctic Sea Ice</title>
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	<link>http://blogs.discovermagazine.com/intersection/2011/07/27/time-to-start-watching-arctic-sea-ice/</link>
	<description>Where science collides with life, slams into culture, crashes with politics, and gets totaled.</description>
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		<title>By: Why Big Oil is Declaring War on Polar Bears &#8211; And How You Can Help Fight Back : Wildlife Promise</title>
		<link>http://blogs.discovermagazine.com/intersection/2011/07/27/time-to-start-watching-arctic-sea-ice/#comment-109895</link>
		<dc:creator>Why Big Oil is Declaring War on Polar Bears &#8211; And How You Can Help Fight Back : Wildlife Promise</dc:creator>
		<pubDate>Wed, 03 Aug 2011 15:13:00 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/intersection/?p=19887#comment-109895</guid>
		<description>[...] “When it comes to science demonstrating the threat to polar bears posed by global warming, this study is only the tip of the iceberg,&#8221; says Dr. Doug Inkley, senior scientist with the National Wildlife Federation. “The latest major study conducted by the U.S. Geological Survey further documents that on long swims to receding Arctic sea ice, some bear cubs are disappearing, and their mothers burn much-needed calories. So far, 2011 is no exception – the Arctic’s summer sea ice is at record-low levels.&#8221; [...]</description>
		<content:encoded><![CDATA[<p>[...] “When it comes to science demonstrating the threat to polar bears posed by global warming, this study is only the tip of the iceberg,&#8221; says Dr. Doug Inkley, senior scientist with the National Wildlife Federation. “The latest major study conducted by the U.S. Geological Survey further documents that on long swims to receding Arctic sea ice, some bear cubs are disappearing, and their mothers burn much-needed calories. So far, 2011 is no exception – the Arctic’s summer sea ice is at record-low levels.&#8221; [...]</p>
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		<title>By: Why Big Oil is Declaring War on Polar Bears &#8211; And How You Can Help Fight Back : Wildlife Promise</title>
		<link>http://blogs.discovermagazine.com/intersection/2011/07/27/time-to-start-watching-arctic-sea-ice/#comment-109891</link>
		<dc:creator>Why Big Oil is Declaring War on Polar Bears &#8211; And How You Can Help Fight Back : Wildlife Promise</dc:creator>
		<pubDate>Wed, 03 Aug 2011 14:02:47 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/intersection/?p=19887#comment-109891</guid>
		<description>[...] “When it comes to science demonstrating the threat to polar bears posed by global warming, this study is only the tip of the iceberg,&#8221; says Dr. Doug Inkley, senior scientist with the National Wildlife Federation. “The latest major study conducted by the U.S. Geological Survey further documents that on long swims to receding Arctic sea ice, some bear cubs are disappearing, and their mothers burn much-needed calories. So far, 2011 is no exception – the Arctic’s summer sea ice is at record-low levels.&#8221; [...]</description>
		<content:encoded><![CDATA[<p>[...] “When it comes to science demonstrating the threat to polar bears posed by global warming, this study is only the tip of the iceberg,&#8221; says Dr. Doug Inkley, senior scientist with the National Wildlife Federation. “The latest major study conducted by the U.S. Geological Survey further documents that on long swims to receding Arctic sea ice, some bear cubs are disappearing, and their mothers burn much-needed calories. So far, 2011 is no exception – the Arctic’s summer sea ice is at record-low levels.&#8221; [...]</p>
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		<title>By: Killian</title>
		<link>http://blogs.discovermagazine.com/intersection/2011/07/27/time-to-start-watching-arctic-sea-ice/#comment-109377</link>
		<dc:creator>Killian</dc:creator>
		<pubDate>Fri, 29 Jul 2011 19:57:41 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/intersection/?p=19887#comment-109377</guid>
		<description>Chris,

I hope you will expand your vocabulary to include sea ice area and sea ice volume. They are actually as important, and depending on the question being asked, more so, than extent.

Extent is easy to see, but more area to spread out in can mean a much lower volume of ice looks the same as a higher volume that is more constrained.

My take is that ice thickness/volume is the key to understanding future declines. Volume is dropping faster than extent is, btw. Basically, we&#039;re getting to the point of having a thin crust with not much overall ice. 

I&#039;ve been posting on this in simple language over at my blog:

http://aperfectstormcometh.blogspot.com/2011/07/current-state-of-arctic-sea-ice_29.html

This site is full of great info and links to charts. makes me feel like an arctic sea ice blogging  piker: http://www.arctic.io/

And RealClimate has a nice thread going:  http://www.realclimate.org/index.php/archives/2011/07/arctic-sea-ice-discussions/</description>
		<content:encoded><![CDATA[<p>Chris,</p>
<p>I hope you will expand your vocabulary to include sea ice area and sea ice volume. They are actually as important, and depending on the question being asked, more so, than extent.</p>
<p>Extent is easy to see, but more area to spread out in can mean a much lower volume of ice looks the same as a higher volume that is more constrained.</p>
<p>My take is that ice thickness/volume is the key to understanding future declines. Volume is dropping faster than extent is, btw. Basically, we&#8217;re getting to the point of having a thin crust with not much overall ice. </p>
<p>I&#8217;ve been posting on this in simple language over at my blog:</p>
<p><a href="http://aperfectstormcometh.blogspot.com/2011/07/current-state-of-arctic-sea-ice_29.html" rel="nofollow">http://aperfectstormcometh.blogspot.com/2011/07/current-state-of-arctic-sea-ice_29.html</a></p>
<p>This site is full of great info and links to charts. makes me feel like an arctic sea ice blogging  piker: <a href="http://www.arctic.io/" rel="nofollow">http://www.arctic.io/</a></p>
<p>And RealClimate has a nice thread going:  <a href="http://www.realclimate.org/index.php/archives/2011/07/arctic-sea-ice-discussions/" rel="nofollow">http://www.realclimate.org/index.php/archives/2011/07/arctic-sea-ice-discussions/</a></p>
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		<title>By: J.J.</title>
		<link>http://blogs.discovermagazine.com/intersection/2011/07/27/time-to-start-watching-arctic-sea-ice/#comment-109223</link>
		<dc:creator>J.J.</dc:creator>
		<pubDate>Thu, 28 Jul 2011 18:16:09 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/intersection/?p=19887#comment-109223</guid>
		<description>&quot;&quot;The great thing about people stupid enough to use summer to promote global warming is that it sets them up as fools when winter comes.&quot;&quot;

People like you truly can never understand that the increasing greenhouse gas production adds net heat,ie; ENERGY into the ecosystem.  The reason we call it climate change is because people like you think that a bad winter means there is no global warming. Just the opposite.  Look at the numbers of anomalous temps and broken records on both sides of the scale.  Record cold, record snowfall, followed by record highs in the summer that have actually buckled roads.  113 F in Joplin Missouri is not normal.  Kansas had several feet of Snow that they almost never get.  The extra heat is causing more evaporation, more evaporation means more water in the atmosphere, which causes more storms, in places that they don&#039;t normally get, a mass displacement of water all over the world.  The minimum sea ice extent in the arctic is set to fall below the record setting 2007 levels, when the fabled Northwest Passage became open for the FIRST TIME EVER.  It&#039;s happening.  It&#039;s real.  Let your mind look at the facts, and see the truth, rather than only allowing your ideology to determine what you &quot;see&quot;.</description>
		<content:encoded><![CDATA[<p>&#8220;&#8221;The great thing about people stupid enough to use summer to promote global warming is that it sets them up as fools when winter comes.&#8221;"</p>
<p>People like you truly can never understand that the increasing greenhouse gas production adds net heat,ie; ENERGY into the ecosystem.  The reason we call it climate change is because people like you think that a bad winter means there is no global warming. Just the opposite.  Look at the numbers of anomalous temps and broken records on both sides of the scale.  Record cold, record snowfall, followed by record highs in the summer that have actually buckled roads.  113 F in Joplin Missouri is not normal.  Kansas had several feet of Snow that they almost never get.  The extra heat is causing more evaporation, more evaporation means more water in the atmosphere, which causes more storms, in places that they don&#8217;t normally get, a mass displacement of water all over the world.  The minimum sea ice extent in the arctic is set to fall below the record setting 2007 levels, when the fabled Northwest Passage became open for the FIRST TIME EVER.  It&#8217;s happening.  It&#8217;s real.  Let your mind look at the facts, and see the truth, rather than only allowing your ideology to determine what you &#8220;see&#8221;.</p>
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		<title>By: Johnny</title>
		<link>http://blogs.discovermagazine.com/intersection/2011/07/27/time-to-start-watching-arctic-sea-ice/#comment-109212</link>
		<dc:creator>Johnny</dc:creator>
		<pubDate>Thu, 28 Jul 2011 16:43:50 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/intersection/?p=19887#comment-109212</guid>
		<description>The great thing about people stupid enough to use summer to promote global warming is that it sets them up as fools when winter comes.</description>
		<content:encoded><![CDATA[<p>The great thing about people stupid enough to use summer to promote global warming is that it sets them up as fools when winter comes.</p>
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		<title>By: kirk</title>
		<link>http://blogs.discovermagazine.com/intersection/2011/07/27/time-to-start-watching-arctic-sea-ice/#comment-109088</link>
		<dc:creator>kirk</dc:creator>
		<pubDate>Wed, 27 Jul 2011 20:50:10 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/intersection/?p=19887#comment-109088</guid>
		<description>The wimp factor behind &#039;that&#039;s not climate - that&#039;s weather&#039; and &#039;that&#039;s not weather - that&#039;s climate&#039; is charming the first 1000 times. How about this. &quot;That&#039;s not a cupcake - that&#039;s chocolate icing with something stuck to the bottom of it&quot;. Point is - climate change has some weather stuck to it.</description>
		<content:encoded><![CDATA[<p>The wimp factor behind &#8216;that&#8217;s not climate &#8211; that&#8217;s weather&#8217; and &#8216;that&#8217;s not weather &#8211; that&#8217;s climate&#8217; is charming the first 1000 times. How about this. &#8220;That&#8217;s not a cupcake &#8211; that&#8217;s chocolate icing with something stuck to the bottom of it&#8221;. Point is &#8211; climate change has some weather stuck to it.</p>
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