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Study explores atmospheric impact of declining Arctic sea ice

May 28, 2013 — There is growing recognition that reductions in Arctic sea ice levels will influence patterns of atmospheric circulation both within and beyond the Arctic. New research in the International Journal of Climatology explores the impact of 2007 ice conditions, the second lowest Arctic sea ice extent in the satellite era, on atmospheric circulation and surface temperatures.

Two 30-year simulations, one using the sea ice levels of 2007 and another using sea ice levels at the end of the 20th century, were used to access the impact of ice free seas. The results showed a significant response to the anomalous open water of 2007.

The results confirm that the atmospheric response to declining sea ice could have implications far beyond the Arctic such as a decrease in the pole to equator temperature gradient, given the increased temperatures associated with the increase in open water, leading to a weaker jet stream and less storminess in the mid-latitudes.


Journal Reference:

  1. Elizabeth N. Cassano, John J. Cassano, Matthew E. Higgins, Mark C. Serreze. Atmospheric impacts of an Arctic sea ice minimum as seen in the Community Atmosphere Model. International Journal of Climatology, 2013; DOI: 10.1002/joc.3723

Note: If no author is given, the source is cited instead.

The source of this article can be found at: http://www.wiley.com/WileyCDA/PressRelease/pressReleaseId-108749.html

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