The Cryosphere
The Cryosphere
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Articles | Volume 11, issue 5
Articles | Volume 11, issue 5
https://doi.org/10.5194/tc-11-2265-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/tc-11-2265-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 11, issue 5
Research article
 | 
29 Sep 2017
Research article |  | 29 Sep 2017

Sea ice assimilation into a coupled ocean–sea ice model using its adjoint

Nikolay V. Koldunov, Armin Köhl, Nuno Serra, and Detlef Stammer

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Short summary
The paper describes one of the first attempts to use the so-called adjoint data assimilation method to bring Arctic Ocean model simulations closer to observation, especially in terms of the sea ice. It is shown that after assimilation the model bias in simulating the Arctic sea ice is considerably reduced. There is also additional improvement in the sea ice thickens representation that is not assimilated directly.
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