Sea ice - atmosphere heat exchange during expedition “Transarctica-2019”.

Makhotina, I. A., Makshtas, A. P. and Yu Kustov, V. (2020) Sea ice - atmosphere heat exchange during expedition “Transarctica-2019”. Open Access IOP Conference Series: Earth and Environmental Science, 606 . Art.Nr. 012032. DOI 10.1088/1755-1315/606/1/012032.

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This paper describes the characteristics of atmospheric surface layer and heat balance components of snow-ice cover during drift of RV "Akademik Treshnikov" to the north of the archipelagos Franz Josef Land and Svalbard, in the area 80 - 82N, 30 - 45E, in comparison with observations at drifting station North Pole-35", worked in the same area in April 2008, and "Ice Base Cape Baranova" in April 2019. Characteristics of atmospheric surface layer and the energy exchange processes during the drift of the expedition"Transarctica-2019" were significantly affected by the presence of clouds and the state of the ice cover. The influence of these factors led to a decrease in the radiative cooling of the surface, the formation of a warmer and wetter ABL and to a weakening of the turbulent exchange between the atmosphere and the snow-ice cover. Comparison of energy exchange characteristics, calculated for the Bolshevik Island (79° N) and for expedition "Transarctica 2019" area shows good agreement between the monthly averaged values and trends in heat fluxes, despite the fact that in the first case the underlying surface was sea ice cover, and in the second it was the land surface.

Document Type: Article
Keywords: Sea ice, atmosphere heat exchange
Refereed: Yes
Open Access Journal?: Yes
Publisher: IOP Publishing
Projects: CATS
Date Deposited: 15 Jul 2021 09:34
Last Modified: 07 Jan 2022 10:05

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