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15 December 2021 Large-scale atmospheric circulation patterns favoring sea ice concentration extremes in the Northern Sea Route straits in June-November of 1979-2017
Karim A. Shukurov, Vladimir A. Semenov
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Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 119164V (2021) https://doi.org/10.1117/12.2601742
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation
Abstract
The fields of anomalies (relative to the corresponding averages in 1981-2010) of the heights of the geopotential surface at a level of 850 mb, z ', and of the near-surface air temperature, T', for composites of days with extremely high and extremely low sea ice concentration (SIC) anomalies in June-November 1979-2017 in the main straits (Kara Gates, Vilkitsky, Laptev/Sannikov, Long and Bering) of the Northern Sea Route were calculated. The relationships between the extreme sea ice concentration anomalies in the straits with z' and with T' are analyzed. It is shown that extremely high SIC anomalies in the NSR straits occur at the margins of the areas of low-mobile long (up to 12 days) living anticyclonic z' anomalies.
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Karim A. Shukurov and Vladimir A. Semenov "Large-scale atmospheric circulation patterns favoring sea ice concentration extremes in the Northern Sea Route straits in June-November of 1979-2017", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 119164V (15 December 2021); https://doi.org/10.1117/12.2601742
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KEYWORDS
Atmospheric physics
Climatology
Meteorology
Satellite imaging
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