Changes in the climate and sea ice of the Northern Hemisphere in the 20th and 21st centuries from data of observations and modeling

The shrinking of the area occupied by sea ice in the Northern Hemisphere accelerated at the end of the 1990s, when the record minima of the summer area were successively noted, and its absolute minimum was observed in September 2007. Such a radical decrease is ahead of the projections of global mode...

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Bibliographic Details
Published in:Izvestiya. Atmospheric and oceanic physics 2009-12, Vol.45 (6), p.675-686
Main Authors: Alekseev, G. V., Danilov, A. I., Kattsov, V. M., Kuz’mina, S. I., Ivanov, N. E.
Format: Article
Language:English
Subjects:
Climate change
Climate models
Climatology
Earth and Environmental Science
Earth Sciences
Geophysics/Geodesy
Global climate
Ice
Marine
Oceans
Sea ice
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Summary:The shrinking of the area occupied by sea ice in the Northern Hemisphere accelerated at the end of the 1990s, when the record minima of the summer area were successively noted, and its absolute minimum was observed in September 2007. Such a radical decrease is ahead of the projections of global models and provokes interest in the reliability of model calculations of the future of Arctic sea ice. The results of an analysis of the relation between the warming in the Arctic and the ice extent shrinkage from data of observations and modeling by an ensemble of global climate models are presented.
ISSN:0001-4338
1555-628X
DOI:10.1134/S0001433809060012