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First- and Second-Order Conservative Remapping Schemes for Grids in Spherical Coordinates

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  • 1 Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico
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Abstract

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.

Corresponding author address: Dr. Philip W. Jones, Los Alamos National Laboratory, T-3, Fluid Dynamics, P.O. Box 1663, Mail Stop B216, Los Alamos, NM 87545.

Email: pwjones@lanl.gov

Abstract

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.

Corresponding author address: Dr. Philip W. Jones, Los Alamos National Laboratory, T-3, Fluid Dynamics, P.O. Box 1663, Mail Stop B216, Los Alamos, NM 87545.

Email: pwjones@lanl.gov

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