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Ocean Science An interactive open-access journal of the European Geosciences Union
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Discussion papers
https://doi.org/10.5194/os-2018-128
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-2018-128
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 09 Nov 2018

Research article | 09 Nov 2018

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Ocean Science (OS).

Long-Term Evolution of the Caspian Sea Thermohaline Properties Reconstructed in an Eddy-Resolving OGCM

Gleb S. Dyakonov1,2 and Rashit A. Ibrayev1,2,3 Gleb S. Dyakonov and Rashit A. Ibrayev
  • 1Northern Water Problems Institute, Russian Academy of Sciences, Petrozavodsk, Russia
  • 2Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia
  • 3Marchuk Institute of Numerical Mathematics, Russian Academy of Sciences, Moscow, Russia

Abstract. The decadal variability of the Caspian Sea thermohaline properties is investigated by means of a high-resolution ocean general circulation model including sea ice thermodynamics and air-sea interaction, forced by prescribed realistic atmospheric conditions and riverine runoff. The model describes synoptic, seasonal and climatic variations of the sea thermohaline structure, water balance and level height. A reconstruction experiment was conducted for the period of 1961–2001, covering a major regime shift in the global climate of 1976–1978, which allows to investigate the Caspian Sea response to such significant episodes of climate change. The long-term trends in the sea circulation patterns are considered with an assessment of the influence of model error accumulation.

Gleb S. Dyakonov and Rashit A. Ibrayev
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Status: open (until 04 Jan 2019)
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Gleb S. Dyakonov and Rashit A. Ibrayev
Gleb S. Dyakonov and Rashit A. Ibrayev
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