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Russian Meteorology and Hydrology

, Volume 43, Issue 2, pp 103–117 | Cite as

Influence of Atlantic Water on the Sea Ice Cover in the Western Arctic in Winter

  • V. V. Ivanov
  • P. N. Golovin
Article

Abstract

The results of temperature and salinity measurements in the upper 1000-mlayer of the Nansen Basin in the Arctic Ocean made from the North Pole-35 drifting station in winter of 2007/2008 are analyzed. The uniqueness of the dataset processed is defined by the station drift path in the Nansen Basin and by the time of the drift which immediately followed the record decline of Arctic sea ice in September 2007. It is found that the maximum heat flux from the ocean to the ice cover equal to more than 90 W/m2 was observed in the area of Atlantic water in flow between Spitsbergen and Franz Josef Land. It was caused by the drift velocity increase and by the corresponding deepening of the Ekman boundary layer. No significant changes (as compared to climate normals) in the influence of ocean heat on the ice cover in the eastern Nansen Basin in winter were registered.

Keywords

Arctic Ocean Nansen Basin sea ice Atlantic water flow thermohaline characteristics ocean convection ocean–atmosphere interaction 

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Copyright information

© Allerton Press, Inc. 2018

Authors and Affiliations

  1. 1.Hydrometeorological Research Center of the Russian FederationMoscowRussia
  2. 2.Arctic and Antarctic Research InstituteSt. PetersburgRussia

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