And if combined with a number of palaeo-wind records gathered from around the continent, it could provide a useful tool to test climate computer models, they believe.
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The University of Missouri researchers now aim to use their findings to test various climate-change models.
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Its three scientific instruments would probe cosmic rays and clouds to test current models of climate change.
Armed with more certainty about the circulation patterns of the past, scientists will be able to better test how well the climate-change models are working, MacLeod adds.
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Establish and test strategies for adaptation to climate change.
Several experts have said that 2007 is a litmus-test year for energy and climate change legislation, meaning that real overhaul would come after the 2008 elections in the event that Democrats win both the White House and Congress.
The House had a test vote this morning and the climate bill narrowly got through there.
Perhaps most vital, we feel inspired by the unexpected beauty of a new climate, by the knowledge that we can test our physical limits, survive the trek, and reap the rewards of a breathtaking summit.
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With regard to climate change, EPA is likely to move more aggressively to test its new authority.
The police authority said Mr Crompton had "fantastic credentials and experience" and faced a "difficult test in guiding South Yorkshire Police through a tough economic climate".
BBC: David Crompton appointed new South Yorkshire Police chief
Obama may want the Senate to ratify the test-ban treaty but that has not happened yet and his moves on climate change, too, will require congressional compliance.
The climate talks in Durban, South Africa, run from 28 November to 9 December and are likely to test global resolve to tackle greenhouse emissions.
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