Neutral diffusion: Diffuse along isopycnal direction #577
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added 4 commits
August 11, 2017 17:04
position. Need to pass through to find_neutral_surface_position
…nted. Need to test in OM4_05
…ff_referenced_density # Conflicts: # src/tracer/MOM_neutral_diffusion.F90
nikizadehgfdl
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Oct 9, 2017
…nsity - Updates MOM_parameter_doc files - NOAA-GFDL/MOM6@7f5b6d8 Merge pull request mom-ocean#577 from ashao/ndiff_referenced_density - NOAA-GFDL/MOM6@83cf1ef Merge branch 'dev/gfdl' of github.com:NOAA-GFDL/MOM6 into dev/gfdl - NOAA-GFDL/MOM6@5cce072 Merge pull request mom-ocean#576 from Hallberg-NOAA/dev/gfdl - NOAA-GFDL/MOM6@87b1a72 Pipeline: fix cleanup stage - NOAA-GFDL/MOM6@28991ce Pipeline: major refactor - NOAA-GFDL/MOM6@145c0eb Fix conflict due to changed MOM_EOS.F90 interfaces - NOAA-GFDL/MOM6@854980e Merge branch 'dev/gfdl' of https://github.com/NOAA-GFDL/MOM6 into ndiff_referenced_density - NOAA-GFDL/MOM6@af42044 (*)Corrected the default for TOLERENCE_ENT - NOAA-GFDL/MOM6@9933c22 (*)Made ustar_min have units of m/s, not H/s. - NOAA-GFDL/MOM6@832e28d +Created allocate_surface_state - NOAA-GFDL/MOM6@1b707b1 +Added name prefix argument to CT_register_restarts - NOAA-GFDL/MOM6@a558064 Option to use a globally constant reference pressure has been implemented. Need to test in OM4_05 - NOAA-GFDL/MOM6@d6cbf54 Add option to use a different reference pressure other than the current position. Need to pass through to find_neutral_surface_position
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In the original implementation, the neutral direction was calculated based on density referenced to the local
pressure. This PR introduces a new capability for the neutral diffusion code tracers can be diffused along isopycnal directions referenced to a specified pressure.
The behavior is toggled by the runtime parameter NDIFF_REF_PRES which specifies a reference pressure in Pascals. If NDIFF_REF_PRES < 0 (the default is set to -1), diffusion is along locally referenced potential density- the original behavior. If NDIFF_REF_PRES >= 0., diffusion is along isopycnals referenced to the specified pressure in Pascals.
This PR was branched off #553.