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	<title>Earth System Visioning &#187; natural variability</title>
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		<title>What are the spatial and temporal characteristics of natural climate variability?</title>
		<link>http://www.icsu-visioning.org/2009/08/what-are-the-spatial-and-temporal-characteristics-of-natural-climate-variability/</link>
		<comments>http://www.icsu-visioning.org/2009/08/what-are-the-spatial-and-temporal-characteristics-of-natural-climate-variability/#comments</comments>
		<pubDate>Fri, 14 Aug 2009 09:46:29 +0000</pubDate>
		<dc:creator>sjphipps</dc:creator>
				<category><![CDATA[Climate]]></category>
		<category><![CDATA[Earth System]]></category>
		<category><![CDATA[climate change]]></category>
		<category><![CDATA[climate model]]></category>
		<category><![CDATA[natural variability]]></category>

		<guid isPermaLink="false">http://www.icsu-visioning.org/?p=1764</guid>
		<description><![CDATA[The climate system exhibits internal variability on a broad range of timescales. However, the observational record is short, and the understanding of climate variability on decadal timescales and longer is therefore limited.
The detection and attribution of anthropogenic climate change requires a complete understanding of the spatial and temporal characteristics of natural climate variability. Furthermore, without [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>How is interdecadal-to-centennial natural variability taken into account in the IPCC GCMs projections?</title>
		<link>http://www.icsu-visioning.org/2009/08/how-interdecadal-to-centennial-natural-variability-is-taken-into-account-in-the-ipcc-gcms-projections/</link>
		<comments>http://www.icsu-visioning.org/2009/08/how-interdecadal-to-centennial-natural-variability-is-taken-into-account-in-the-ipcc-gcms-projections/#comments</comments>
		<pubDate>Sun, 02 Aug 2009 14:00:33 +0000</pubDate>
		<dc:creator>amonteci</dc:creator>
				<category><![CDATA[Climate]]></category>
		<category><![CDATA[climate change]]></category>
		<category><![CDATA[greenhouse gas]]></category>
		<category><![CDATA[natural variability]]></category>

		<guid isPermaLink="false">http://www.icsu-visioning.org/?p=1189</guid>
		<description><![CDATA[This low-frequency natural variability might hide or intensify the climate system response to increased greenhouse gases in the atmosphere. In fact, for the next 30 years it seems that interdecadal natural variability would play a major role in the expected changes of rainfall and temperature in many regions, for instance, in South America.
]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>What is the interannual variability in the hydrological cycle over rainfed agriculture areas?</title>
		<link>http://www.icsu-visioning.org/2009/08/interannual-variability-in-the-hydrological-cycle-over-rainfed-agriculture-areas/</link>
		<comments>http://www.icsu-visioning.org/2009/08/interannual-variability-in-the-hydrological-cycle-over-rainfed-agriculture-areas/#comments</comments>
		<pubDate>Mon, 17 Aug 2009 08:21:47 +0000</pubDate>
		<dc:creator>rumedany</dc:creator>
				<category><![CDATA[Interdisciplinary]]></category>
		<category><![CDATA[agriculture]]></category>
		<category><![CDATA[food]]></category>
		<category><![CDATA[natural variability]]></category>
		<category><![CDATA[rain]]></category>

		<guid isPermaLink="false">http://www.icsu-visioning.org/?p=1941</guid>
		<description><![CDATA[Most of our food is produced from the rainfed areas. Disturbing the existing system could cause great frustrations to the growers, and possible food deficiencies in the future.
]]></description>
		<wfw:commentRss>http://www.icsu-visioning.org/2009/08/interannual-variability-in-the-hydrological-cycle-over-rainfed-agriculture-areas/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<title>How far is the earth system away from its natural variability due to anthropogenic factors?</title>
		<link>http://www.icsu-visioning.org/2009/08/how-far-is-earth-system-away-from-its-natural-variability-due-to-anthropogenic-factors/</link>
		<comments>http://www.icsu-visioning.org/2009/08/how-far-is-earth-system-away-from-its-natural-variability-due-to-anthropogenic-factors/#comments</comments>
		<pubDate>Tue, 18 Aug 2009 14:15:19 +0000</pubDate>
		<dc:creator>yaoyp</dc:creator>
				<category><![CDATA[Earth System]]></category>
		<category><![CDATA[anthropogenic factors]]></category>
		<category><![CDATA[natural factors]]></category>
		<category><![CDATA[natural variability]]></category>

		<guid isPermaLink="false">http://www.icsu-visioning.org/?p=1964</guid>
		<description><![CDATA[When we talk about the impact of human activities upon the earth system, we must be sure what is the background of the natural varibilities. We already know throughout the earth history, the earth system has been changing without human being. It is critical for us to know what is the extent of human factor [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>How is the climate changing and why?</title>
		<link>http://www.icsu-visioning.org/2009/07/how-is-the-climate-changing-and-why/</link>
		<comments>http://www.icsu-visioning.org/2009/07/how-is-the-climate-changing-and-why/#comments</comments>
		<pubDate>Tue, 21 Jul 2009 08:15:22 +0000</pubDate>
		<dc:creator>trenbert</dc:creator>
				<category><![CDATA[Climate]]></category>
		<category><![CDATA[aerosols]]></category>
		<category><![CDATA[climate change]]></category>
		<category><![CDATA[CO2]]></category>
		<category><![CDATA[forcing]]></category>
		<category><![CDATA[natural variability]]></category>

		<guid isPermaLink="false">http://www.icsu-visioning.org/?p=841</guid>
		<description><![CDATA[The global mean temperature in 2008 was the lowest since about 2000. Given that there is continual heating of the planet, referred to as radiative forcing, by accelerating increases of carbon dioxide and other greenhouses due to human activities, why isn’t the temperature continuing to go up?  The stock answer is that natural variability [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>How will natural and human controls on the atmospheric CO2 concentration operate under the influence of changing climate and changing society in the next 100 years?</title>
		<link>http://www.icsu-visioning.org/2009/08/natural-and-human-controls-on-the-atmospheric-co2-concentration-next-100-years/</link>
		<comments>http://www.icsu-visioning.org/2009/08/natural-and-human-controls-on-the-atmospheric-co2-concentration-next-100-years/#comments</comments>
		<pubDate>Tue, 11 Aug 2009 22:31:39 +0000</pubDate>
		<dc:creator>galenmckinley</dc:creator>
				<category><![CDATA[Earth System]]></category>
		<category><![CDATA[Interdisciplinary]]></category>
		<category><![CDATA[Social-Ecological Systems]]></category>
		<category><![CDATA[carbon sink]]></category>
		<category><![CDATA[CO2]]></category>
		<category><![CDATA[emission control]]></category>
		<category><![CDATA[natural variability]]></category>

		<guid isPermaLink="false">http://www.icsu-visioning.org/?p=1313</guid>
		<description><![CDATA[We can budget the sources and sinks for carbon for the past 30 years, with increasing confidence over time (Global Carbon Project, 2009). However, we do not have a solid understanding of the mechanisms responsible for variability and change in the natural sinks; nor for potentially dramatic releases of CO2 from permafrost or methane clathrates. [...]]]></description>
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