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Impacts of Climate Change on Arctic Storms and the Loss of Sea Ice
Source: LASG    Viewed:  time(s)    Time: 2016-7-11
 Dr. William Perrie
Bedford Institute of Oceanography, Canada
14:00 pm,11 July,2016
No.303,Keyan Building


In this presentation, we first present a case study showing the impacts of increasing open water on Arctic storms, their intensity and impacts on the upper ocean. We also show trends in storm – related climate particularly in the Chukchi and Beaufort Seas region, which is the area experiencing some of the most dramatic changes in sea ice. We describe a recent field experiment that tries to capture some of the changes in upper ocean, ice-ocean interface, and lower atmospheric boundary layer of this region. Then we try to relate the ocean responses to Arctic storms to larger scales, in terms of trends in AWL (the Atlantic Water Layer), transport through Fram Strait, and sea ice in the Beaufort, and related waters. Extending in time, we look at trends in storm climatology, present and future (to 2100), following IPCC scenarios. Finally we look at the impacts of climate change on Arctic storms, relating large scale features like water temperatures in the Barents Sea.

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