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Methodological study demonstrates first- and second-order conservative remapping across spherical grids, facilitating accurate data transfer between coupled Earth system models.
Coupling atmosphere, ocean, sea ice, and land surface models requires a means for remapping fields between grids in an accurate and conservative manner. A method is described here for computing interpolation weights for first- and second-order conservative remappings. The method is completely general and can be used for any grid on a sphere.
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Philip W. Jones (1999) studied this question.
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