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Notes on tags used in MITgcmUV |
Notes on tags used in MITgcmUV |
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============================== |
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o global_ocean.cs32x15/results: three changes following from the pkg/seaice commit below. |
o pkg/seaice : |
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- switch to variable freezing point. |
- final version of turbulent flux params, as agreed at MIT ice meet: |
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SEAICE_mcPheePiston (default is ~ 0.000875) |
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SEAICE_mcPheeTaper (default is 0.) |
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SEAICE_frazilFrac (defualt is 1.) |
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SEAICE_mcPheeStepFunc (default is false) |
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- changes results at trunction error level |
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- ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo |
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o added pkg/frazil - see frazil_description.tex for details |
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o pkg/shelfice/shelfice_thermodynamics.F |
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- fix exponents for velocity dependent exchange coefficients: change |
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from 2/3(=0) to 0.66666666666666667 |
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- move computation of velocity dependent exchange coefficients into |
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separate loop, so that it applies to both thermodynamics |
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- move some divisions by constants out of loops |
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checkpoint63j (2012/02/16) |
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o pkg/seaice: |
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- overhaul of seaice_summary.F after feb 2012 clean-up of seaice_growth.F etc. |
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- SItracer: added run time params, and allow coupling to ocn salinity. |
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o pkg/seaice: remove (almost) all divisions by constants within loops |
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in seaice_growth.F and seaice_solve4temp.F, this changes (only) the cg2d |
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results of global_ocean.cs32x15.seaice from 16 to 11 digits (but only |
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those, caused by 1/QI -> recip_QI) -> update output.seaice.txt, |
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output_adm.seaice_dynmix.txt and also lab_sea: output_adm.evp.txt |
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o pkg/seaice : |
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- simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula |
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= 1 or 2, using newly added run time parameter SEAICE_availHeatTaper. |
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- fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148. |
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- add permanent SItflux diag that corresponds to TFLUX but includes |
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ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget. |
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- allow activation/testing of a fix for suspected missing term in |
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ocn-ice heat budget (to be confirmed). To test this, you want to |
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undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param |
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SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic. |
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- no change in results, fwd or ad. |
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o global_ocean.cs32x15/results: 3 changes following from the pkg/seaice commit below: |
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- switch to variable freezing point. |
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Results change : cg2d -> 1 digits; ad -> 3-6-6 digits. |
Results change : cg2d -> 1 digits; ad -> 3-6-6 digits. |
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- bug fix : the sublimation term that was missing is now activated. |
- bug fix : the sublimation term that was missing is now activated. |
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Results change : cg2d -> 2 digits; ad -> 8-6-6 digits. |
Results change : cg2d -> 2 digits; ad -> 8-6-6 digits. |
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- bug fix : flooding sign term for SIsal0.NE.0. |
- bug fix : flooding sign term for SIsal0.NE.0. |
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Result change : cg2d -> 8 digits; ad -> 11-12-9 digits. |
Result change : cg2d -> 8 digits; ad -> 11-12-9 digits. |
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o pkg/seaice: |
o pkg/seaice: |
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- unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT |
- unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT |
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is now the default, and the old default constant freezing point is recovered with |
is now the default, and the old default constant freezing point is recovered |
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SEAICE_tempFrz0 = -1.96, |
with SEAICE_tempFrz0 = -1.96, |
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SEAICE_dTempFrz_dS = 0., |
SEAICE_dTempFrz_dS = 0., |
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- retire SEAICE_freeze that was the old way of specifycing the constant freezing point. |
- retire SEAICE_freeze (= the old way of specifycing the constant freezing point) |
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- remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there. |
- remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there. |
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- bug fix (thanks to M. Losch) : the sublimation term that was missing is now |
- bug fix (thanks to M. Losch) : the sublimation term that was missing is now |
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activated. To reproduce old results that had this bug define SEAICE_DISABLE_SUBLIM. |
activated. To reproduce old results with this bug define SEAICE_DISABLE_SUBLIM. |
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- bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211) |
- bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211) |
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was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail). |
was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail). |
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- bug fix (thanks to O. Jahn) : area loss for melting got messed up in |
- bug fix (thanks to O. Jahn) : area loss for melting got messed up in |
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seaice_growth r149 for legacy branch (no results change). |
seaice_growth r149 for legacy branch (no results change). |
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- introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code from I. Fenty). |
- introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code |
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- results did not change except for global_ocean.cs32x15, mostly due to the switch |
from I. Fenty). |
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to variable freezing point (see above item for detail). |
- results did not change except for global_ocean.cs32x15, mostly due to the |
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switch to variable freezing point (see above item for detail). |
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o pkg/thsice: |
o pkg/thsice: |
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- fix and simplify interface to salt_plume pkg ; diagnose directly amount of |
- fix and simplify interface to salt_plume pkg ; diagnose directly amount of |
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seawater freezing in thsice_calc_thickn (not used). |
seawater freezing in thsice_calc_thickn (not used). |
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o pkg/seaice: turbulent flux term specification via run time params. |
o pkg/seaice: turbulent flux term specification via run time params. |
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- replace CPP switches with run time switches to facilitate testing |
- replace CPP switches with run time switches to facilitate testing |
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- retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX, GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR |
- retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX, |
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GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR |
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- added runtime parameter : SEAICEturbFluxFormula |
- added runtime parameter : SEAICEturbFluxFormula |
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- move Mcphee constants to SEAICE_PARAMS.h |
- move Mcphee constants to SEAICE_PARAMS.h |
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- seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula; |
- seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula; |
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SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply); remove |
SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply); |
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seaice_summary call (moved to seaice_init_fixed) |
remove seaice_summary call (moved to seaice_init_fixed) |
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- seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on |
- seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on |
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SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms) |
SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms) |
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- seaice_summary.F : add missing report of read turbulent flux term set up (and SITRACER). |
- seaice_summary.F : add missing report of read turbulent flux term set up |
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- seaice_check.F : check range; inform and stop if retired CPPs are used (incl. SEAICE_AGE). |
and SITRACER. |
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- seaice_check.F : check range; inform and stop if retired CPPs are used |
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(incl. SEAICE_AGE). |
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- seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without |
- seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without |
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CPP switch, same computation as before for the different options. |
CPP switch, same computation as before for the different options. |
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- change results at the truncation level. |
- change results at the truncation level. |
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o pkg/seaice: |
o pkg/seaice: |
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- remove un-used parameters LAD & MAX_TICE ; add new run-time parameters: |
- remove un-used parameters LAD & MAX_TICE ; add new run-time parameters: |