New coupled atmosphere-ocean-ice system COSMO-CLM/NEMO: assessing air temperature sensitivity over the North and Baltic Seas

• Autorzy: Van Pham T. , Brauch J. , Dieterich C. , Frueh B. , Ahrens B.

Identyfikatory

DOI

10.5697/oc.56-2.167

• Języki publikacji: EN

Abstrakty

EN

This paper introduces a newly established coupled atmosphere-ocean-ice system with the regional climate model COSMO-CLM and the ocean-sea-ice model NEMO for the North and Baltic Seas. These two models are linked via the OASIS3 coupler. Experiments with the new coupled system and with the stand-alone COSMO-CLM model forced by ERA-Interim re-analysis data over the period from 1985 to 1994 for the CORDEX Europe domain are carried out. The evaluation results of the coupled system show 2-m temperature biases in the range from -2.5 to 3 K. Simulated 2-m temperatures are generally colder in the coupled than in the uncoupled system, and temperature differences vary by season and space. The coupled model shows an improvement compared with the stand-alone COSMO-CLM in terms of simulating 2-m temperature. The difference in 2-m temperature between the two experiments are explained as downwind cooling by the colder North and Baltic Seas in the coupled system.

Słowa kluczowe

EN

coupled model; atmosphere ocean-sea-ice interaction; Baltic Sea; North Sea; COSMO-CLM; NEMO; OASIS3

• Wydawca: Polish Academy of Sciences, Institute of Oceanology ; Elsevier
• Czasopismo: Oceanologia
• Rocznik: 2014
• Tom: No. 56 (2)
• Strony: 167--189
• Opis fizyczny: Bibliogr. 40 poz., rys., wykr.

Twórcy

autor

Van Pham T.

• Biodiversity and Climate Research Centre, Senckenberganlage 25, D-60325 Frankfurt am Main, Germany
• Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, Altenhöferallee 1, 60438, Frankfurt am Main, Germany

autor

Brauch J.

• German Meteorological Service, Frankfurterstr. 135, 63067, Offenbach am Main, Germany

autor

Dieterich C.

• Swedish Meteorological and Hydrological Institute, Folkborgsvägen 17, SE-601 76, Norrköping, Sweden

autor

Frueh B.

• German Meteorological Service, Frankfurterstr. 135, 63067, Offenbach am Main, Germany

autor

Ahrens B.

• Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, Altenhöferallee 1, 60438, Frankfurt am Main, Germany

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