Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 19, issue 12
Articles | Volume 19, issue 12
https://doi.org/10.5194/gmd-19-5423-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-19-5423-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 12
Development and technical paper
 | 
24 Jun 2026
Development and technical paper |  | 24 Jun 2026

Rederivation of the centroid formulation in a second-order conservative remapping scheme on spherical coordinates

Fuyuki Saito

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Short summary
A second-order conservative remapping is a common and standard method for transformation of data from one grid system to another in climate studies. The author describes a fundamental problem in the derivation of the method in spherical coordinates proposed by a pioneer study, which is left unresolved and unrealized. It has a potential to damage the remapping, however no significant impacts are expected in the past studies, because of a formulation introduced for the other objective.
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