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Surface roughness length mismatch in fractional grid. #963

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pjpegion opened this issue Sep 6, 2022 · 1 comment
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Surface roughness length mismatch in fractional grid. #963

pjpegion opened this issue Sep 6, 2022 · 1 comment
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pjpegion commented Sep 6, 2022

Description

In the fractional grid part code (GFS_surface_composites_post.F90), the surface exchange coefficients are re-computed. The bug is that z0max comes from noah-mp (when running with noah-mp), but ztmax comes from sfc_diff.f.
In addition, z0max and ztmax are always the same value in NOAH-MP, which I address in a different issue.
I believe the solution is to add bounded surface roughness [m] as an output in noahmpdrv.F90
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@grantfirl @pjpegion