Articles | Volume 13, issue 7
Geosci. Model Dev., 13, 3337–3345, 2020
https://doi.org/10.5194/gmd-13-3337-2020
Geosci. Model Dev., 13, 3337–3345, 2020
https://doi.org/10.5194/gmd-13-3337-2020

Methods for assessment of models 23 Jul 2020

Methods for assessment of models | 23 Jul 2020

Simple algorithms to compute meridional overturning and barotropic streamfunctions on unstructured meshes

Dmitry Sidorenko et al.

Data sets

ESOM 2.0 computation of meridional overturning and barotropic streamfunctions D. Sidorenko, S. Danilov, N. Koldunov, P. Scholz, and Q. Wang https://doi.org/10.5281/zenodo.3552456

Model code and software

FESOM 2.0 computation of meridional overturning and barotropic streamfunctions (model code) D. Sidorenko, S. Danilov, N. Koldunov, P. Scholz, and Q. Wang https://doi.org/10.5281/zenodo.3613366

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Short summary
Computation of barotropic and meridional overturning streamfunctions for models formulated on unstructured meshes is commonly preceded by interpolation to a regular mesh. This operation destroys the original conservation, which can be then be artificially imposed to make the computation possible. An elementary method is proposed that avoids interpolation and preserves conservation in a strict model sense.