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An observational and modelling analysis of Laptev Sea ice variations during summer

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Goergen, K. , Bareiss, J. , Helbig, A. , Rinke, A. and Dethloff, K. (2001): An observational and modelling analysis of Laptev Sea ice variations during summer , Annals of Glaciology, 33 , pp. 533-538 .
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Abstract:

In this study we investigate the relationship of the atmospheric circulation and thesea-ice distribution in the Laptev Sea in the summers 1979 to 1996. Sea-ice datafrom passive-microwave radiometers, global atmospheric data analyses, cyclonestatistics and simulations of the regional climate model HIRHAM4 were analysed tofind out if periods of reduced or increased sea-ice concentrations are linked tosynoptic patterns (circulation anomalies, cyclone activity).A canonical correlation analysis between Arctic sea level pressure and sea iceconcentration anomalies confirms large-scale relationships among these variables.We did not find a simple relationship between sea-ice area anomalies and cycloneactivity in the Laptev Sea area.

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