What question did this study set out to answer?

This work aims to systematically document and compare geometric algorithms for regridding on the sphere.

Accurate and robust geometric algorithms for regridding on the sphere

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The framework organizes regridding operations and highlights numerical stability in geoscientific data.

This work aims to systematically document and compare geometric algorithms for regridding on the sphere.
Organized non-conservative and conservative regridding operations end-to-end.
Implemented floating point formulas to ensure numerical stability and error characterization.
Indicated the use of higher-precision techniques for additional accuracy.
Established a coherent set of geometric kernels for efficient regridding operations.
Demonstrated improved numerical robustness and stability in floating point computations.
Provided a practical baseline for performance-portable regridding solutions.

Chen et al. (2026) studied this question.

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