Exclude alternative fillValue or missing values (e.g., 1e20) from horizontal regridding process or regrid2, so they won't influence to the regridded field.
Checklist
[ ] My code follows the style guidelines of this project
[ ] I have performed a self-review of my own code
[ ] My changes generate no new warnings
[ ] Any dependent changes have been merged and published in downstream modules
If applicable:
[ ] I have added tests that prove my fix is effective or that my feature works
[ ] New and existing unit tests pass with my changes (locally and CI/CD build)
[ ] I have commented my code, particularly in hard-to-understand areas
[ ] I have made corresponding changes to the documentation
[ ] I have noted that this is a breaking change for a major release (fix or feature that would cause existing functionality to not work as expected)
Description
Exclude alternative fillValue or missing values (e.g., 1e20) from horizontal regridding process or regrid2, so they won't influence to the regridded field.
Checklist
If applicable: