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Evaluation of the impact of oceanic heat transport in the North Atlantic and Barents sea on the Northern Hemispheric climate |
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| Authors: | V V Zuev V A Semenov E A Shelekhova S K Gulev P Koltermann |
| Institution: | 1. Institute of Monitoring of Climatic and Ecological Systems, Siberian Branch, Russian Academy of Sciences, Akademicheskii pr. 10/3, Tomsk, 634055, Russia 2. A.M. Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences, Pyzhevskii per. 3, Moscow, 119017, Russia 3. Helmholtz Center for Ocean Research Kiel (GEOMAR), D??sternbrooker Weg 20, Kiel, 24105, Germany 5. Geographical Faculty, Moscow State University, Moscow, 119991, Russia 4. Shirshov Institute of Oceanology, Russian Academy of Sciences, Nakhimovskii pr. 36, Moscow, 117997, Russia |
| Abstract: | In this work, we evaluate the impact of terminated oceanic heat flux in the North Atlantic and Barents Sea on the Northern Hemisphere climate in January by numerical experiments with a coupled model of atmospheric general circulation and a thermodynamic model of the upper mixed layer of the ocean. We analyze the variations in the atmospheric circulation and near-surface temperature. We found that the termi-nation of the oceanic heat flux leads to a depression in atmospheric centers of action in the Northern Hemi-sphere (by 3?C5 hPa) and a significant cooling over the continents with the strongest temperature decrease down to ?10°C in northwestern Eurasia. |
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