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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Volume 10, issue 6
The Cryosphere, 10, 2999–3019, 2016
https://doi.org/10.5194/tc-10-2999-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
The Cryosphere, 10, 2999–3019, 2016
https://doi.org/10.5194/tc-10-2999-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 09 Dec 2016

Research article | 09 Dec 2016

Quantification of ice production in Laptev Sea polynyas and its sensitivity to thin-ice parameterizations in a regional climate model

Oliver Gutjahr et al.

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Short summary
We estimated the formation of new sea ice within polynyas in the Laptev Sea (Siberia) with the regional climate model COSMO-CLM at 5 km horizontal resolution. Fractional sea ice and the representation of thin ice is often neglected in atmospheric models. Our study demonstrates, however, that the way thin ice in polynyas is represented in the model considerably affects the amount of newly formed sea-ice and the air–ice–ocean heat flux. Both processes impact the Arctic sea-ice budget.
We estimated the formation of new sea ice within polynyas in the Laptev Sea (Siberia) with the...
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