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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 pkg/seaice: |
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- seaice_solve4temp.F (keeping results unchanged): |
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* add 2 future run-time params to select which saturation vapor pressure |
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formula is used and how post-iteration fluxes are set. |
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Temporary set these 2 params according to option SOLVE4TEMP_LEGACY; |
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* New piece of code (not used) to update surf. atmos. heat flux F_ia using |
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the linearized expression to stay consistent with tsurf finding. |
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- seaice_freedrift.F avoid floating exception in sqrt(y) since y=sqrt(x*x)-x |
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can be < 0. |
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o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY undef): |
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- remove from F_ia (and from it's derivative dFiDTs1) the contribution of |
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conductive heat flux F_c , and add it explicitly when updating tsurf as |
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solution of: Fc = Fia + d/dT(Fia - Fc) *delta.tsurf |
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so that now F_ia has a consistent meaning through the entire routine. |
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This causes differences at truncation level: update output of fwd exp. |
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global_ocean.cs32x15.seaice. |
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o pkg/seaice: |
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- lots of editing/cleaning in seaice_solve4temp.F + better documentation |
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of arrays, sign/direction of fluxes; no effect on results. |
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- replace hard coded 273.16 (=previous value of celsius2K) by celsius2K |
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in seaice_budget_ocean.F & seaice_solve4temp.F (SOLVE4TEMP_LEGACY part); |
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note: this should have been done before changing celsius2K default. |
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- to keep results unchanged, add back old value of celsius2K in verification |
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exp. input*/data : lab_sea (AD), offline_exf_seaice (fwd+AD) & seaice_obcs |
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- replace hard coded seawater freezing temp in seaice_solve4temp.F (part |
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SOLVE4TEMP_LEGACY) of 271.20 (=previous value of celsius2K + default |
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value of SEAICE_freeze) by celsius2K+SEAICE_freeze so that seawater |
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freezing temp is consistent with value in seaice_growth.F ; this causes |
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differences at machine truncation level: update lab_sea AD output (3/4). |
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o pkg/seaice: |
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- mask (in exf_init_fixed.F) atemp,aqh,evap,precip,runoff,lwflx,areamask |
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and climsst/sss even when using seaice (to prevent calculation that might |
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use SST on land); does not affect any verification exp. |
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- apply mask to taux,tauy (in seaice_get_dynforcing.F); update output |
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of lab_sea.fd & lab_sea.hb87 and global_ocean.cs32x15.seaice_dynmix. |
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o pkg/seaice/seaice_growth.F: add mask to avoid non-zero ice thickness |
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over land (non-legacy code) |
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o vectorize salt_plume package: |
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- add extra code to salt_plume_frac and salt_plume_tendency_apply_s |
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- this code computes plumebk everywhere (also over land), thus requires |
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code to avoid divisions by zero and catch the case of kLev=Nr. |
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- efficiency of salt_plume_frac is still sub-optimal |
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o tools (genmake2): |
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- fix makefile NAME specification (option: -makefile NAME) by adding |
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"-f $MAKEFILE" in few places where it was missing including makedepend |
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command (contribution from Paul). |
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checkpoint63i (2012/01/24) |
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o model/src: |
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- add factorized versions of some EOS code to find_rho.F, |
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define USE_FACTORIZED_EOS to turn it on (default for TARGET_NEC_SX) |
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o model/src: |
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- add celsius2K to namelist PARM01; remove unused recip_rhoNil from PARAMS.h; |
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- change default celsius2K from 273.16 to 273.15 |
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- to keep results unchanged, add back old value of celsius2K in verification |
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exp. input*/data : aim.5l_cs, 1D_ocean_ice_column, lab_sea (fwd), |
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global_ocean.cs32x15(seaice) & cpl_aim+ocn(input_atm). |
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o model/src: add a little initialisation trick to find_rho.F and find_alpha.F |
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to make TAF generate vectorizable code |
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o pkg/seaice/seaice_evp.F: add code (copied from CICE) that avoids underflows. |
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Turn on by defining SEAICE_EVP_ELIMINATE_UNDERFLOWS. Most compilers |
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have flags that do this more efficiently. |
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o pkg/diagnostics/diagstats_calc.F |
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- for TARGET_NEC_SX fix the treatment of the scaling factor tmpFac=scaleFact |
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o pkg/obcs (with exch2): |
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- derive OB indices in overlap region from OB-InsideMask (in obcs_init_fixed.F) |
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and remove code (in obcs_readparms.F) which was based on EXCH of indices |
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(through buffer) and did not account for exch2 (e.g., CS-grid) topology. |
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o pkg/exf and seaice exp: |
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- change offline_exf_seaice.seaicetd test exp. to use default DIFF1 value (=0) |
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so that switching off area & heff advection flags does not affect results. |
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- change default EXF_LWDOWN_WITH_EMISSIVITY to #define in EXF_OPTIONS.h |
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- keep exp. seaice_obcs & 1D_ocean_ice_column(ad) unchanged (using #undef |
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EXF_LWDOWN_WITH_EMISSIVITY) and, using pkg/exf default emissivities, update |
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results of verification experiments: 1D_ocean_ice_column(fwd), |
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global_ocean.cs32x15.seaice(fwd+ad) & seaice_dynmix(ad), lab_sea (all 8) |
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and offline_exf_seaice (all 4). |
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o pkg/seaice: |
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- remove array YNEG, RIVER, TMIX (replaced by local var) from common block; |
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remove also areaNm1 & hEffNm1 when SEAICE_GROWTH_LEGACY is undef. |
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- fix bug: areaNm1 & hEffNm1 are needed in seaice_growth (SEAICE_GROWTH_LEGACY) |
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but were not filled when resp. SEAICEadvArea=F & SEAICEadvHeff=F and |
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not multi-dim advection; |
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- fix seaice_growth.F to compile with both SEAICE_GROWTH_LEGACY and |
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SHORTWAVE_HEATING #undef. |
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o optim: make Makefile more robust (?) |
o optim: make Makefile more robust (?) |
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o pkg/shelfice: add missing initialisation of num_shifwflx |
o pkg/obcs: |
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* fix treatment of obcs_read_pickup for TAF |
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o pkg/shelfice: |
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* add missing initialisation of num_shifwflx |
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* new adjoint verification exp. for isomip |
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* change Prandtl and Schmidt numbers from generic formulations |
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(in terms of model diffus. and visc.) to separate runtime |
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parameters, with Holland and Jenkins (1999) default values. |
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o pkg/exf (interpolation): |
o pkg/exf (interpolation): |
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- extended input field (2 rows) near the N & S poles: |
- extended input field (2 rows) near the N & S poles: |
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* fill in with the symetric value (when even Nb of data in longitude) |
* fill in with the symetric value (when even Nb of data in longitude) |
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