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Journal Article

Coupled ocean-atmosphere models with flux correction


Sausen,  R.
MPI for Meteorology, Max Planck Society;

Barthel,  K.
MPI for Meteorology, Max Planck Society;


Hasselmann,  Klaus
MPI for Meteorology, Max Planck Society;

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Sausen, R., Barthel, K., & Hasselmann, K. (1988). Coupled ocean-atmosphere models with flux correction. Climate Dynamics, 2, 145-163. doi:10.1007/BF01053472.

Cite as: https://hdl.handle.net/21.11116/0000-0000-B4CA-1
A method is proposed for removing the drift of coupled atmosphere-ocean models, which in the past has often hindered the application of coupled models in climate response and sensitivity experiments. The ocean-atmosphere flux fields exhibit inconsistencies when evaluated separately for the individual sub-systems in independent, uncoupled mode equilibrium climate computations. In order to balance these inconsistencies a constant ocean-atmosphere flux correction field is introduced in the boundary conditions coupling the two sub-systems together. The method ensures that the coupled model operates at the reference climate state for which the individual model subsystems were designed without affecting the dynamical response of the coupled system in climate variability experiments. The method is illustrated for a simple two component box model and an ocean general circulation model coupled to a two layer diagnostic atmospheric model.