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NASA Finds Russian Runoff Freshening Canadian Arctic

A new NASA and University of Washington study allays concerns that melting Arctic sea ice could be increasing the amount of freshwater in the Arctic enough to have an impact on the global "ocean conveyor belt" that redistributes heat around our planet. Read the full press release here: http://www.nasa.gov/topics/earth/features/earth20120104.html
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http://www.nasa.gov/topics/earth/features/earth20120104.html

The transpolar drift (purple arrows) is a dominant circulation feature in the Arctic Ocean that carries freshwater runoff (red arrows) from rivers in Russia across the North Pole and south towards Greenland. 
Under changing atmospheric conditions, emergent circulation patterns (blue arrows) drive freshwater runoff east towards Canada, resulting in freshening of Arctic water in the Canada Basin.    The transpolar drift (purple arrows) is a dominant circulation feature in the Arctic Ocean that carries freshwater runoff (red arrows) from rivers in Russia across the North Pole and south towards Greenland. Under changing atmospheric conditions, emergent circulation patterns (blue arrows) drive freshwater runoff east towards Canada, resulting in freshening of Arctic water in the Canada Basin.
Duration: 30.0 seconds
Available formats:
  640x360 (29.97 fps) QT         14 MB
  1280x720 (29.97 fps) WMV         19 MB
  960x540 (29.97 fps) MPEG-4   14 MB
  320x240 (29.97 fps) MPEG-4   2 MB
  640x360 (29.97 fps) MPEG-4   6 MB
  1280x720 (59.94 fps) QT         558 MB
  640x360 (29.97 fps) MPEG-4   5 MB
  1280x720 (29.97 fps) QT         18 MB
  320x180 (59.94 fps) QT         6 MB
  320x180 (59.94 fps) MPEG-4   5 MB
  960x540 (29.97 fps) WEBM         7 MB
  320x180     PNG           293 KB
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Short URL to This Page:http://svs.gsfc.nasa.gov/goto?10889
Animation Number:10889
Completed:2012-01-04
Animators:Rachel Kreutzinger (USRA)
 Ryan Zuber (UMBC)
Producer:Kayvon Sharghi (USRA)
Scientists:James Morison (University of Washington)
 Ronald Kwok (NASA/JPL Caltech)
Please give credit for this item to:
NASA/Goddard Space Flight Center
 
Keywords:
SVS >> HDTV
SVS >> Ocean
GCMD >> Location >> Russia
GCMD >> Location >> Alaska
SVS >> Earth Science >> Circulation
SVS >> Circulation
SVS >> Arctic
 
 


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Many of our multimedia items use the GCMD keywords. These keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0

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