Journal cover Journal topic
Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
Geosci. Model Dev., 10, 977-989, 2017
http://www.geosci-model-dev.net/10/977/2017/
doi:10.5194/gmd-10-977-2017
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
Development and technical paper
27 Feb 2017
On the numerical stability of surface–atmosphere coupling in weather and climate models
Anton Beljaars et al.

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Short summary
Coupling an atmospheric model with snow and sea ice modules presents numerical stability challenges in integrations with long time steps as commonly used for weather prediction and climate simulations. Explicit flux coupling is often applied for simplicity. In this paper a simple method is presented to stabilize the coupling without having to introduce fully implicit coupling. A formal stability analysis confirms that the method is unconditionally stable.
Coupling an atmospheric model with snow and sea ice modules presents numerical stability...
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