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2019•Journal of Oceanological ResearchOpen access

ARGO-BASED STUDY OF WATER, HEAT, AND SALT EXCHANGE BETWEEN ATLANTIC, NORDIC SEAS, AND ARCTIC OCEAN

К. В. Лебедев, B. N. Filyushkin, N. G. Kozhelupova

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Abstract

The annual mean temperature, salinity, density, and velocity fields for the region of the Nordic Seas were calculated and studied using the Argo-based model for the period of 2005–2014. The mass, heat, and salt transports through the Denmark and Fram Straits, and through the sections separating the Nordic Seas from the Atlantic Ocean and Barents Sea were studied on the climatological, annual, and seasonal time scales. The calculated transports are in good agreement with the previous estimations based on direct velocity measurements. Comparative analysis of transports variations and the North Atlantic Oscillation (NAO) index shows a well pronounced correlation between them. The positive heat budget of the studied region for the period of 2005–2014 was estimated as 92±56 TW.

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The annual mean temperature, salinity, density, and velocity fields for the region of the Nordic Seas were calculated and studied using the Argo-based model for the period of 2005–2014. The mass, heat, and salt transports through the Denmark and Fram Straits, and through the sections separating the Nordic Seas from the Atlantic Ocean and Barents Sea were studied on the climatological, annual, and seasonal time scales. The calculated transports are in good agreement with the previous estimations based on direct velocity measurements. Comparative analysis of transports variations and the North Atlantic Oscillation (NAO) index shows a well pronounced correlation between them. The positive heat budget of the studied region for the period of 2005–2014 was estimated as 92±56 TW.

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Available abstract

The annual mean temperature, salinity, density, and velocity fields for the region of the Nordic Seas were calculated and studied using the Argo-based model for the period of 2005–2014. The mass, heat, and salt transports through the Denmark and Fram Straits, and through the sections separating the Nordic Seas from the Atlantic Ocean and Barents Sea were studied on the climatological, annual, and seasonal time scales. The calculated transports are in good agreement with the previous estimations based on direct velocity measurements. Comparative analysis of transports variations and the North Atlantic Oscillation (NAO) index shows a well pronounced correlation between them. The positive heat budget of the studied region for the period of 2005–2014 was estimated as 92±56 TW.

Key concepts: Argo, North Atlantic oscillation, Water mass, Temperature salinity diagrams, Climatology, The arctic, Oceanography, Environmental science

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ARGO-BASED STUDY OF WATER, HEAT, AND SALT EXCHANGE BETWEEN ATLANTIC, NORDIC SEAS, AND ARCTIC OCEAN — Research Paper | ScholarLens