Enforce tracer column mass conservation in TVD schemes#964
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The code was committed in PR#981. |
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Oct 20, 2025
…ts when wave model is turned on (ufs-community#964) * Updates to sfc_diff.f and sfc_diff.meta to fix a bug in the calculation of surface roughness length over lake and ice points in ccpp/physics
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PR Checklist
Ths PR is up-to-date with the top of all sub-component repositories except for those sub-components which are the subject of this PR. Please consult the ufs-weather-model wiki if you are unsure how to do this.
This PR has been tested using a branch which is up-to-date with the top of all sub-component repositories except for those sub-components which are the subject of this PR
An Issue describing the work contained in this PR has been created either in the subcomponent(s) or in the ufs-weather-model. The Issue should be created in the repository that is most relevant to the changes in contained in the PR. The Issue and the dependent sub-component PR
are specified below.
Results for one or more of the regression tests change and the reasons for the changes are understood and explained below.
New or updated input data is required by this PR. If checked, please work with the code managers to update input data sets on all platforms.
Description
This PR implements a vertically-integrated formula to properly compute tracer column mass and ensure mass conservation for all tracers except TKE. See issue NCAR/ccpp-physics/issues/811 for details.
This PR will change the baseline for all regression tests using Scale-Aware Mass-Flux (SAMF) shallow or deep convective schemes, as well as the Scale-aware TKE-based Moist Eddy-Diffusivity Mass-Flux (SATMEDMF) PBL scheme.
Testing
Dependencies