Numerical simulation of salinity anomaly propagation in the Nordic seas and the Arctic Ocean

  • Rüdiger Gerdes
  • Cornelia Köberle

Abstract

We investigate the response of the Nordic seas-Arctic Ocean system to surface freshwater flux anomalies that we regard as typical for long-term atmospheric variability. We employ response experiments with a coupled sea ice-ocean model where we introduce a surface freshwater flux anomaly (A) over the Norwegian Sea and (B) in the Laptev Sea. Case A offers an explanation for the intermediate depth salinity changes observed in the Amundsen Basin. The signal observed there belongs to an original perturbation that, according to the model, occurred around a decade earlier. Salinity fluctuations in the Laptev Sea could play a role in changes in the near surface salinity in the Amundsen Basin.

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Published
1999-01-12
How to Cite
Gerdes, R., & Köberle, C. (1999). Numerical simulation of salinity anomaly propagation in the Nordic seas and the Arctic Ocean. Polar Research, 18(2), 159-166. https://doi.org/10.3402/polar.v18i2.6569

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