cam6_4_042: Fix reference pressures for MPAS #1169
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nusbaume
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Oct 21, 2024
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Nov 8, 2024
…dynamical core (#317) ### Tag name (required for release branches): None ### Originator(s): PeterHjortLauritzen, nusbaume, kuanchihwang ### Description (include the issue title, and the keyword ['closes', 'fixes', 'resolves'] followed by the issue number): Presently, MPAS dynamical core is not initializing reference pressure for physics in the same way as others. This PR backports the fix from ESCOMP/CAM#1169. To confirm the fix, observe log entries similar to the following in `atm.log.<job-id>.<date>-<time>`. The reference pressure at surface now starts from 1000 hPa. Previously, it starts from 1013.25 hPa. ``` dyn_debug_print (0): Reference layer information: dyn_debug_print (0): ----- | -------------- | -------------- dyn_debug_print (0): Index | Height (m) | Pressure (hPa) dyn_debug_print (0): ----- | 44999.999819 | 1.431394 dyn_debug_print (0): 1 | 43953.595504 | 1.655836 dyn_debug_print (0): ----- | 42907.191189 | 1.880278 dyn_debug_print (0): 2 | 41877.531046 | 2.177235 dyn_debug_print (0): ----- | 40847.870904 | 2.474192 dyn_debug_print (0): 3 | 39835.232205 | 2.867591 dyn_debug_print (0): ----- | 38822.593507 | 3.260989 ... (SNIPPED) ... dyn_debug_print (0): ----- | 1292.109873 | 856.014954 dyn_debug_print (0): 30 | 997.820649 | 887.686997 dyn_debug_print (0): ----- | 703.531425 | 919.359041 dyn_debug_print (0): 31 | 476.271636 | 945.093654 dyn_debug_print (0): ----- | 249.011847 | 970.828267 dyn_debug_print (0): 32 | 124.505924 | 985.414133 dyn_debug_print (0): ----- | 0.000000 | 1000.000000 ``` Closes #315. ### Describe any changes made to build system: None ### Describe any changes made to the namelist: None ### List any changes to the defaults for the input datasets (e.g. boundary datasets): None ### List all files eliminated and why: None ### List all files added and what they do: None ### List all existing files that have been modified, and describe the changes: * `M src/dynamics/mpas/dyn_comp.F90` * Sort statements * `M src/dynamics/mpas/dyn_grid.F90` * Properly call `std_atm_pres` to initialize reference pressure for physics * Wire up history support * More explicit memory management * Update code comments * `M src/utils/std_atm_profile.F90` * Allow custom surface pressure in `std_atm_pres` * Remove unused variable in `std_atm_pres` --------- Co-authored-by: Peter Hjort Lauritzen <pel@ucar.edu> Co-authored-by: Jesse Nusbaumer <nusbaume@ucar.edu>
gold2718
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Feb 13, 2025
Merge pull request ESCOMP#1169 from PeterHjortLauritzen/std_atm_fix_for_mpas cam6_4_042: Fix reference pressures for MPAS ESCOMP commit: ddacf0f
gold2718
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Feb 19, 2025
Merge pull request ESCOMP#1169 from PeterHjortLauritzen/std_atm_fix_for_mpas cam6_4_042: Fix reference pressures for MPAS ESCOMP commit: ddacf0f
gold2718
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Feb 23, 2025
Merge pull request ESCOMP#1169 from PeterHjortLauritzen/std_atm_fix_for_mpas cam6_4_042: Fix reference pressures for MPAS ESCOMP commit: ddacf0f
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See details in #1168
This PR closes #1168