Articles | Volume 10, issue 1
https://doi.org/10.5194/gmd-10-425-2017
https://doi.org/10.5194/gmd-10-425-2017
Development and technical paper
 | 
30 Jan 2017
Development and technical paper |  | 30 Jan 2017

Conservative interpolation between general spherical meshes

Evaggelos Kritsikis, Matthias Aechtner, Yann Meurdesoif, and Thomas Dubos

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Short summary
This paper describes conservative interpolation on the sphere. A function is computed on one mesh from its values on another mesh so that the total mass is preserved, which is vital for climate modeling, and for second-order accuracy. This is done through a common refinement of the meshes, built in quasilinear time by tree sorting the mesh cells. It can be built into climate models for flexible I/O or coupling. Examples of commonly used meshes are given.