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	<title>State of the Planet &#187; West Antarctica</title>
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	<description>The ice sheet that drains into West Antarctica&#8217;s Amundsen Sea is about the size of Texas and two miles thick. Home to two of Antarctica&#8217;s five biggest glaciers&#8211;Pine Island and Thwaites&#8211;this region holds enough ice to raise global sea level 1.2 meters. Understanding how the ice changed from the last ice age to today will help us predict future sea level rise. Join Lamont-Doherty marine geologist Frank Nitsche on his voyage aboard the Swedish ice-breaking ship, the Oden.
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		<title>The  Oden and the Polarstern Cross Paths</title>
		<link>http://blogs.ei.columbia.edu/2010/03/03/1963/</link>
		<comments>http://blogs.ei.columbia.edu/2010/03/03/1963/#comments</comments>
		<pubDate>Wed, 03 Mar 2010 15:15:58 +0000</pubDate>
		<dc:creator>Frank Nitsche</dc:creator>
				<category><![CDATA[Climate]]></category>
		<category><![CDATA[Earth Sciences]]></category>
		<category><![CDATA[General Earth Institute]]></category>
		<category><![CDATA[Lamont-Doherty Earth Observatory]]></category>
		<category><![CDATA[West Antarctica]]></category>

		<guid isPermaLink="false">http://blogs.ei.columbia.edu/?p=1963</guid>
		<description><![CDATA[We successfully finished our scientific work in the Amundsen Sea and are now heading back to Punta Arenas, at the tip of South America. It will take eight to nine days to get there depending on the weather and winds. Just before we left the Amundsen Sea we passed the German ice-breaker ship, the Polarstern. [<a href="http://blogs.ei.columbia.edu/2010/03/03/1963/">...</a>]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>Looking at Mud to Learn About Ice Sheets</title>
		<link>http://blogs.ei.columbia.edu/2010/02/26/looking-at-mud-to-learn-about-ice-sheets/</link>
		<comments>http://blogs.ei.columbia.edu/2010/02/26/looking-at-mud-to-learn-about-ice-sheets/#comments</comments>
		<pubDate>Fri, 26 Feb 2010 17:56:27 +0000</pubDate>
		<dc:creator>Frank Nitsche</dc:creator>
				<category><![CDATA[Climate]]></category>
		<category><![CDATA[Earth Sciences]]></category>
		<category><![CDATA[General Earth Institute]]></category>
		<category><![CDATA[Lamont-Doherty Earth Observatory]]></category>
		<category><![CDATA[West Antarctica]]></category>

		<guid isPermaLink="false">http://blogs.ei.columbia.edu/?p=1912</guid>
		<description><![CDATA[The bottom of the seafloor shows us where ice used to flow. To pinpoint when the ice retreated, the geologists on board take samples of mud and sand from the seafloor. Using a weighted steel barrel lowered to the seafloor they bore their way through sand and mud. A catcher at the bottom of the [<a href="http://blogs.ei.columbia.edu/2010/02/26/looking-at-mud-to-learn-about-ice-sheets/">...</a>]]]></description>
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		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Following the Trail of Ancient Icebergs</title>
		<link>http://blogs.ei.columbia.edu/2010/02/21/following-the-trail-of-ancient-icebergs/</link>
		<comments>http://blogs.ei.columbia.edu/2010/02/21/following-the-trail-of-ancient-icebergs/#comments</comments>
		<pubDate>Sun, 21 Feb 2010 15:29:57 +0000</pubDate>
		<dc:creator>Frank Nitsche</dc:creator>
				<category><![CDATA[Climate]]></category>
		<category><![CDATA[Earth Sciences]]></category>
		<category><![CDATA[General Earth Institute]]></category>
		<category><![CDATA[Lamont-Doherty Earth Observatory]]></category>
		<category><![CDATA[West Antarctica]]></category>

		<guid isPermaLink="false">http://blogs.ei.columbia.edu/?p=1803</guid>
		<description><![CDATA[A few days ago we reached our main study area in the eastern Amundsen Sea. Here we are using sonar to map the contours of the seafloor in great detail. During the last glaciation the Antarctic ice sheet was much larger and covered most of the continental shelf, an underwater extension of the continent that [<a href="http://blogs.ei.columbia.edu/2010/02/21/following-the-trail-of-ancient-icebergs/">...</a>]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>So Much Depends on Sea Ice</title>
		<link>http://blogs.ei.columbia.edu/2010/02/15/so-much-depends-on-sea-ice/</link>
		<comments>http://blogs.ei.columbia.edu/2010/02/15/so-much-depends-on-sea-ice/#comments</comments>
		<pubDate>Mon, 15 Feb 2010 18:07:32 +0000</pubDate>
		<dc:creator>Frank Nitsche</dc:creator>
				<category><![CDATA[Climate]]></category>
		<category><![CDATA[Earth Sciences]]></category>
		<category><![CDATA[General Earth Institute]]></category>
		<category><![CDATA[Antarctica]]></category>
		<category><![CDATA[Lamont-Doherty Earth Observatory]]></category>
		<category><![CDATA[West Antarctica]]></category>

		<guid isPermaLink="false">http://blogs.ei.columbia.edu/?p=1715</guid>
		<description><![CDATA[Where we work and how we get there depends on the sea ice. The Oden is a powerful icebreaker but it is often faster and more fuel-efficient to go around heavy sea ice then to chop our way through. If the sea ice is several feet thick, we often choose to detour. We actually consult [<a href="http://blogs.ei.columbia.edu/2010/02/15/so-much-depends-on-sea-ice/">...</a>]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Is Ocean Water Helping to Melt Glaciers?</title>
		<link>http://blogs.ei.columbia.edu/2010/02/11/is-ocean-water-helping-to-melt-glaciers/</link>
		<comments>http://blogs.ei.columbia.edu/2010/02/11/is-ocean-water-helping-to-melt-glaciers/#comments</comments>
		<pubDate>Thu, 11 Feb 2010 19:48:19 +0000</pubDate>
		<dc:creator>Frank Nitsche</dc:creator>
				<category><![CDATA[Climate]]></category>
		<category><![CDATA[Earth Sciences]]></category>
		<category><![CDATA[General Earth Institute]]></category>
		<category><![CDATA[Lamont-Doherty Earth Observatory]]></category>
		<category><![CDATA[West Antarctica]]></category>

		<guid isPermaLink="false">http://blogs.ei.columbia.edu/?p=1683</guid>
		<description><![CDATA[After crossing the Ross Sea, we&#8217;ve reached our first study area: the “Little America Trough.” The oceanographers on board want to find out if warmer water from the deep ocean is rising onto the continental shelf and reaching the ice, making it melt faster. They measure temperature and salinity as well as the water currents. [<a href="http://blogs.ei.columbia.edu/2010/02/11/is-ocean-water-helping-to-melt-glaciers/">...</a>]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Ready to Sail</title>
		<link>http://blogs.ei.columbia.edu/2010/02/06/ready-to-sail/</link>
		<comments>http://blogs.ei.columbia.edu/2010/02/06/ready-to-sail/#comments</comments>
		<pubDate>Sat, 06 Feb 2010 18:21:40 +0000</pubDate>
		<dc:creator>Frank Nitsche</dc:creator>
				<category><![CDATA[Climate]]></category>
		<category><![CDATA[Earth Sciences]]></category>
		<category><![CDATA[Poverty / Economic Development]]></category>
		<category><![CDATA[Earthquakes]]></category>
		<category><![CDATA[Lamont-Doherty Earth Observatory]]></category>
		<category><![CDATA[Oden]]></category>
		<category><![CDATA[West Antarctica]]></category>

		<guid isPermaLink="false">http://blogs.ei.columbia.edu/?p=1592</guid>
		<description><![CDATA[Today we arrived at McMurdo, an American research station that hosts Antarctica&#8217;s largest community—about 1,000 people during austral summer. To get here, a US Air Force cargo plane picked us up in Christchurch, New Zealand, and landed us on the ice nearby. Today is a balmy summer day of 30°F, not much colder than the [<a href="http://blogs.ei.columbia.edu/2010/02/06/ready-to-sail/">...</a>]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Melting Glaciers–Tracking Their Path</title>
		<link>http://blogs.ei.columbia.edu/2010/02/04/melting-glaciers-tracking-their-path/</link>
		<comments>http://blogs.ei.columbia.edu/2010/02/04/melting-glaciers-tracking-their-path/#comments</comments>
		<pubDate>Thu, 04 Feb 2010 20:59:52 +0000</pubDate>
		<dc:creator>Frank Nitsche</dc:creator>
				<category><![CDATA[Climate]]></category>
		<category><![CDATA[Earth Sciences]]></category>
		<category><![CDATA[General Earth Institute]]></category>
		<category><![CDATA[Lamont-Doherty Earth Observatory]]></category>
		<category><![CDATA[West Antarctica]]></category>

		<guid isPermaLink="false">http://blogs.ei.columbia.edu/?p=1528</guid>
		<description><![CDATA[I am a geophysicist at Columbia&#8217;s Lamont-Doherty Earth Observatory, and I study how different processes shape the bottom of oceans and rivers. One focus of my research is the continental shelves off Antarctica, especially in the Bellingshausen and Amundsen Sea, and the role of ice sheets in their formation. I made my first trip to [<a href="http://blogs.ei.columbia.edu/2010/02/04/melting-glaciers-tracking-their-path/">...</a>]]]></description>
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		<slash:comments>0</slash:comments>
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