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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: remove (almost) all divisions by constants within loops |
8 |
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in seaice_growth.F and seaice_solve4temp.F |
9 |
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o pkg/seaice : |
10 |
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- simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula.EQ. |
11 |
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1 or 2, using newly added run time parameter SEAICE_availHeatTaper. |
12 |
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- fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148. |
13 |
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- add permanent SItflux diag that corresponds to TFLUX but includes |
14 |
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ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget. |
15 |
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- allow activation/testing of a fix for suspected missing term in |
16 |
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ocn-ice heat budget (to be confirmed). To test this, you want to |
17 |
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undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param |
18 |
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SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic. |
19 |
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- no change in results, fwd or ad. |
20 |
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o global_ocean.cs32x15/results: three changes following from the pkg/seaice commit below. |
21 |
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- switch to variable freezing point. |
22 |
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Results change : cg2d -> 1 digits; ad -> 3-6-6 digits. |
23 |
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- bug fix : the sublimation term that was missing is now activated. |
24 |
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Results change : cg2d -> 2 digits; ad -> 8-6-6 digits. |
25 |
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- bug fix : flooding sign term for SIsal0.NE.0. |
26 |
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Result change : cg2d -> 8 digits; ad -> 11-12-9 digits. |
27 |
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o pkg/seaice: |
28 |
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- unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT |
29 |
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is now the default, and the old default constant freezing point is recovered with |
30 |
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SEAICE_tempFrz0 = -1.96, |
31 |
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SEAICE_dTempFrz_dS = 0., |
32 |
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- retire SEAICE_freeze that was the old way of specifycing the constant freezing point. |
33 |
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- remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there. |
34 |
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- bug fix (thanks to M. Losch) : the sublimation term that was missing is now |
35 |
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activated. To reproduce old results that had this bug define SEAICE_DISABLE_SUBLIM. |
36 |
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- bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211) |
37 |
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was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail). |
38 |
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- bug fix (thanks to O. Jahn) : area loss for melting got messed up in |
39 |
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seaice_growth r149 for legacy branch (no results change). |
40 |
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- introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code from I. Fenty). |
41 |
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- results did not change except for global_ocean.cs32x15, mostly due to the switch |
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to variable freezing point (see above item for detail). |
43 |
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o pkg/thsice: |
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- fix and simplify interface to salt_plume pkg ; diagnose directly amount of |
45 |
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seawater freezing in thsice_calc_thickn (not used). |
46 |
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o pkg/seaice: turbulent flux term specification via run time params. |
47 |
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- replace CPP switches with run time switches to facilitate testing |
48 |
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- retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX, GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR |
49 |
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- added runtime parameter : SEAICEturbFluxFormula |
50 |
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- move Mcphee constants to SEAICE_PARAMS.h |
51 |
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- seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula; |
52 |
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SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply); remove |
53 |
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seaice_summary call (moved to seaice_init_fixed) |
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- seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on |
55 |
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SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms) |
56 |
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- seaice_summary.F : add missing report of read turbulent flux term set up (and SITRACER). |
57 |
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- seaice_check.F : check range; inform and stop if retired CPPs are used (incl. SEAICE_AGE). |
58 |
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- seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without |
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CPP switch, same computation as before for the different options. |
60 |
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- change results at the truncation level. |
61 |
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o pkg/seaice: |
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- remove un-used parameters LAD & MAX_TICE ; add new run-time parameters: |
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useMaykutSatVapPoly (default=F), postSolvTempIter (default=2) and |
64 |
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SEAICE_wetAlbTemp (default=-1e-3). Remove option SEAICE_SOLVE4TEMP_LEGACY. |
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- update verification/*/input*/data.seaice: |
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to reproduce previous results with former #defined SEAICE_SOLVE4TEMP_LEGACY |
67 |
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code, set useMaykutSatVapPoly=T & postSolvTempIter=0 ; |
68 |
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and to reproduce previous results with former non-SOLVE4TEMP_LEGACY code, |
69 |
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set SEAICE_wetAlbTemp=0 & SEAICE_snowThick=0. |
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o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY): |
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- remove LEGACY code for solving for tsurf (A1,A2,A3) but maintain the same |
72 |
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algorithm (same choice: useMaykutPolySatVap=T, postSolvTempIter=0); |
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difference in results only due to machine truncation. |
74 |
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- remove MAX_TICE (tsurf is always =< TMELT anyway); keep MIN_TICE if using |
75 |
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MaykutPolySatVap; keep MIN_LWDOWN. |
76 |
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- adapt SEAICE_MODIFY_GROWTH_ADJ code (untested) to non-legacy formulation. |
77 |
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- update output of verification exp. lab_sea (4 fwd: 11 cg2d digits except hb87, |
78 |
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+ 3 AD: 6 digits except evp) and offline_exf_seaice.seaice (12 digits). |
79 |
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o pkg/salt_plume: |
80 |
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- isolate saltPlumeFlux array exch into a specific S/R called from |
81 |
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do_oceanic_phys.F |
82 |
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- add interface to pkg/salt_plume (filling of saltPlumeFlux) in pkg/thsice. |
83 |
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o verification: |
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- move untested set-up to MITgcm_contrib/verification_other. |
85 |
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o pkg/seaice: |
86 |
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- retire old way of SEAICE_AGE. Now replaced with ALLOW_SITRACER. |
87 |
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o pkg/seaice: |
88 |
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- seaice_solve4temp.F (keeping results unchanged): |
89 |
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* add 2 future run-time params to select which saturation vapor pressure |
90 |
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formula is used and how post-iteration fluxes are set. |
91 |
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Temporary set these 2 params according to option SOLVE4TEMP_LEGACY; |
92 |
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* New piece of code (not used) to update surf. atmos. heat flux F_ia using |
93 |
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the linearized expression to stay consistent with tsurf finding. |
94 |
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- seaice_freedrift.F avoid floating exception in sqrt(y) since y=sqrt(x*x)-x |
95 |
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can be < 0. |
96 |
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o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY undef): |
97 |
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- remove from F_ia (and from it's derivative dFiDTs1) the contribution of |
98 |
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conductive heat flux F_c , and add it explicitly when updating tsurf as |
99 |
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solution of: Fc = Fia + d/dT(Fia - Fc) *delta.tsurf |
100 |
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so that now F_ia has a consistent meaning through the entire routine. |
101 |
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This causes differences at truncation level: update output of fwd exp. |
102 |
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global_ocean.cs32x15.seaice. |
103 |
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o pkg/seaice: |
104 |
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- lots of editing/cleaning in seaice_solve4temp.F + better documentation |
105 |
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of arrays, sign/direction of fluxes; no effect on results. |
106 |
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- replace hard coded 273.16 (=previous value of celsius2K) by celsius2K |
107 |
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in seaice_budget_ocean.F & seaice_solve4temp.F (SOLVE4TEMP_LEGACY part); |
108 |
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note: this should have been done before changing celsius2K default. |
109 |
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- to keep results unchanged, add back old value of celsius2K in verification |
110 |
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exp. input*/data : lab_sea (AD), offline_exf_seaice (fwd+AD) & seaice_obcs |
111 |
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- replace hard coded seawater freezing temp in seaice_solve4temp.F (part |
112 |
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SOLVE4TEMP_LEGACY) of 271.20 (=previous value of celsius2K + default |
113 |
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value of SEAICE_freeze) by celsius2K+SEAICE_freeze so that seawater |
114 |
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freezing temp is consistent with value in seaice_growth.F ; this causes |
115 |
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differences at machine truncation level: update lab_sea AD output (3/4). |
116 |
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o pkg/seaice: |
117 |
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- mask (in exf_init_fixed.F) atemp,aqh,evap,precip,runoff,lwflx,areamask |
118 |
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and climsst/sss even when using seaice (to prevent calculation that might |
119 |
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use SST on land); does not affect any verification exp. |
120 |
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- apply mask to taux,tauy (in seaice_get_dynforcing.F); update output |
121 |
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of lab_sea.fd & lab_sea.hb87 and global_ocean.cs32x15.seaice_dynmix. |
122 |
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o pkg/seaice/seaice_growth.F: add mask to avoid non-zero ice thickness |
123 |
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over land (non-legacy code) |
124 |
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o vectorize salt_plume package: |
125 |
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- add extra code to salt_plume_frac and salt_plume_tendency_apply_s |
126 |
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- this code computes plumebk everywhere (also over land), thus requires |
127 |
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code to avoid divisions by zero and catch the case of kLev=Nr. |
128 |
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- efficiency of salt_plume_frac is still sub-optimal |
129 |
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o tools (genmake2): |
130 |
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- fix makefile NAME specification (option: -makefile NAME) by adding |
131 |
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"-f $MAKEFILE" in few places where it was missing including makedepend |
132 |
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command (contribution from Paul). |
133 |
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|
134 |
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checkpoint63i (2012/01/24) |
135 |
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o model/src: |
136 |
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- add factorized versions of some EOS code to find_rho.F, |
137 |
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define USE_FACTORIZED_EOS to turn it on (default for TARGET_NEC_SX) |
138 |
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o model/src: |
139 |
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- add celsius2K to namelist PARM01; remove unused recip_rhoNil from PARAMS.h; |
140 |
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- change default celsius2K from 273.16 to 273.15 |
141 |
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- to keep results unchanged, add back old value of celsius2K in verification |
142 |
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exp. input*/data : aim.5l_cs, 1D_ocean_ice_column, lab_sea (fwd), |
143 |
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global_ocean.cs32x15(seaice) & cpl_aim+ocn(input_atm). |
144 |
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o model/src: add a little initialisation trick to find_rho.F and find_alpha.F |
145 |
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to make TAF generate vectorizable code |
146 |
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o pkg/seaice/seaice_evp.F: add code (copied from CICE) that avoids underflows. |
147 |
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Turn on by defining SEAICE_EVP_ELIMINATE_UNDERFLOWS. Most compilers |
148 |
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have flags that do this more efficiently. |
149 |
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o pkg/diagnostics/diagstats_calc.F |
150 |
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- for TARGET_NEC_SX fix the treatment of the scaling factor tmpFac=scaleFact |
151 |
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o pkg/obcs (with exch2): |
152 |
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- derive OB indices in overlap region from OB-InsideMask (in obcs_init_fixed.F) |
153 |
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and remove code (in obcs_readparms.F) which was based on EXCH of indices |
154 |
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(through buffer) and did not account for exch2 (e.g., CS-grid) topology. |
155 |
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o pkg/exf and seaice exp: |
156 |
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- change offline_exf_seaice.seaicetd test exp. to use default DIFF1 value (=0) |
157 |
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so that switching off area & heff advection flags does not affect results. |
158 |
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- change default EXF_LWDOWN_WITH_EMISSIVITY to #define in EXF_OPTIONS.h |
159 |
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- keep exp. seaice_obcs & 1D_ocean_ice_column(ad) unchanged (using #undef |
160 |
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EXF_LWDOWN_WITH_EMISSIVITY) and, using pkg/exf default emissivities, update |
161 |
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results of verification experiments: 1D_ocean_ice_column(fwd), |
162 |
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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). |
164 |
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o pkg/seaice: |
165 |
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- remove array YNEG, RIVER, TMIX (replaced by local var) from common block; |
166 |
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remove also areaNm1 & hEffNm1 when SEAICE_GROWTH_LEGACY is undef. |
167 |
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- fix bug: areaNm1 & hEffNm1 are needed in seaice_growth (SEAICE_GROWTH_LEGACY) |
168 |
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but were not filled when resp. SEAICEadvArea=F & SEAICEadvHeff=F and |
169 |
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not multi-dim advection; |
170 |
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- fix seaice_growth.F to compile with both SEAICE_GROWTH_LEGACY and |
171 |
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SHORTWAVE_HEATING #undef. |
172 |
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o optim: make Makefile more robust (?) |
173 |
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o pkg/obcs: |
174 |
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* fix treatment of obcs_read_pickup for TAF |
175 |
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o pkg/shelfice: |
176 |
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* add missing initialisation of num_shifwflx |
177 |
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* new adjoint verification exp. for isomip |
178 |
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* change Prandtl and Schmidt numbers from generic formulations |
179 |
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(in terms of model diffus. and visc.) to separate runtime |
180 |
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parameters, with Holland and Jenkins (1999) default values. |
181 |
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o pkg/exf (interpolation): |
182 |
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- extended input field (2 rows) near the N & S poles: |
183 |
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* fill in with the symetric value (when even Nb of data in longitude) |
184 |
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* add average value at the poles only for scalar quantities ; for vector |
185 |
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component interpolation, skip the averaging and keep duplicated values, |
186 |
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unless the 2 components have same location (uvInterp=T) in which case |
187 |
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interpolate the 2 components together using S/R EXF_INTERP_UV. |
188 |
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- new S/R EXF_INTERP_UV to interpolate the 2 components of a vector field |
189 |
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together: this allows to account properly for local orientation when |
190 |
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averaging at N & S pole. |
191 |
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- add CPP option EXF_USE_OLD_INTERP_POLE to recover old results regarding |
192 |
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exf-interpolation near N & S poles. Undef by default. |
193 |
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- add debug check/print on 1rst iter if debugLevel >=2. |
194 |
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o pkg/exf: |
195 |
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- change masking flags definition (no longer "parameter"), put them in |
196 |
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common block and set them in S/R EXF_INIT_FIXED. |
197 |
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- change recognized masking flag from s,u,v to c,w,s since the mask |
198 |
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to use (maskC,W,S) depends on position on model grid and has little to |
199 |
|
do with scalar/vector difference; fix masking if using P-coordinates. |
200 |
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- fix masking of wind-stress (was wrong if interpolated or read on A-grid) |
201 |
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and update results of exp. global_with_exf (x2). |
202 |
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- fix setting of zenith-angle table when SHORTWAVE_HEATING is undef. |
203 |
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o pkg/obcs |
204 |
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- S/R obcs_calc_stevens: fix a small bug (gammat -> gammas where appropriate) |
205 |
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o pkg/exf (interpolation): |
206 |
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- assume periodicity in X only if input field cover full longitude range. |
207 |
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- improve search for lat. index (supposed to be faster, in ~log2(ny) steps, |
208 |
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and should vectorise). |
209 |
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- fix input lat of the 2 added row (in case we provide N.pole data). |
210 |
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|
211 |
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checkpoint63h (2011/12/30) |
212 |
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o pkg/seaice: |
213 |
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- change declaration of UVM from _RL to _RS in order to get B-grid |
214 |
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uIce,vIce monitor when _RS = real*4 |
215 |
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o pkg/offline: |
216 |
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- new S/R OFFLINE_RESET_PARMS for resetting main-model params (switch off flags); |
217 |
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- compute vertical velocity if not read from file (switch on exactConserv |
218 |
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& staggerTimeStep); |
219 |
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- fix output of ptracer monitor iter & time for default PTRACERS_monitorFreq. |
220 |
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o verification: |
221 |
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- update grid-files (in tutorial_held_suarez_cs/input and fizhi-cs-32x32x40/input) |
222 |
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with grid-angle generated using "utils/matlab/cs_grid/cubeCalcAngle.m": |
223 |
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fix Pb in yG definition @ 2 missing corners (previously yG was averaged); |
224 |
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- update output of exp. global_ocean.cs32x15.viscA4 after changing |
225 |
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grid-file angles (used here for coriolis-3d); |
226 |
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- remove (or gzip) few files not needed to run fizhi-cs experiments. |
227 |
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o pkg/exf (vector interpolation): |
228 |
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- rotate vector component toward local grid-axis orientation using grid-angles |
229 |
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(stored in GRID.h) instead of locally computed rotation angle; keep old code |
230 |
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available with exf option EXF_USE_OLD_VEC_ROTATION (undef by default). |
231 |
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o pkg/seaice: |
232 |
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- allow to compile with exf options ALLOW_ATM_TEMP or ALLOW_DOWNWARD_RADIATION |
233 |
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undefined. Fix and remove the stop when ALLOW_RUNOFF is undefined. |
234 |
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o pkg/PKG_OPTIONS.h files: |
235 |
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- move #include "CPP_OPTIONS.h" just after #include "PACKAGES_CONFIG.h", |
236 |
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outside of the #ifdef ALLOW_THISPKG / #endif block. |
237 |
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- update verification/*/code/PKG_OPTIONS.h files. |
238 |
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o add a verification experiment (offline_exf_seaice/input.seaice) that test |
239 |
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the B-grid LSOR solver |
240 |
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o pkg/seaice: sort out emissivity and long wave radiation step 2: |
241 |
|
- add emissivity for snow and ice as new run-time parameters |
242 |
|
(unfortunately) that default to the corresponding exf values; this |
243 |
|
changes results in most verification experiments so that for backward |
244 |
|
compatibility these parameter have to be set explicitly to inconsistent |
245 |
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values (ugly); |
246 |
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- the exf-flag EXF_LWDOWN_WITH_EMISSIVITY then gets rid off the hard-wired |
247 |
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emissivities of 0.97 associated with lwdownloc in S/R seaice_solve4temp |
248 |
|
until we agree how to handle this bug properly |
249 |
|
o pkg/exf (interpolation): |
250 |
|
- add a set of run-time param ({inputfield}_interpMethod), one for |
251 |
|
each interpolated input field, to select the interpolation method |
252 |
|
with a value of zero switching off the interpolation; |
253 |
|
- print interpolation parameters to standard output; |
254 |
|
- refine exf_check.F accordingly ; stop if USE_NO_INTERP_RUNOFF is defined |
255 |
|
(to use instead runoff_interpMethod=0 in data.exf). |
256 |
|
- simplify default setting of interpolation parameters (for all fields, |
257 |
|
set position to match model grid cell-center position, leading to trivial |
258 |
|
interpolation in case of regular Lat-Lon grid) and fix for the case of |
259 |
|
non-uniform delY. |
260 |
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o pkg/exf/exf_radiation.F: add the factor ocean_emissivity to lwdown, for |
261 |
|
within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1. |
262 |
|
this factor is absolutely required, because the lw exitance (= out-going |
263 |
|
long wave radiation) is emissivity*stefanBoltzmann*T^4 + rho*lwdown, |
264 |
|
where the reflectivity rho = 1-emissivity for conservation reasons. Once |
265 |
|
this is established, we can remove the CPP-Flag (if we want to). |
266 |
|
o pkg/seaice: |
267 |
|
- qualify a stop statement in S/R seaice_check: EXF_READ_EVAP and |
268 |
|
ALLOW_BULKFORMULAE are only required if SEAICE_EXTERNAL_FLUXES is defined |
269 |
|
- sort out emissivity and long wave radiation, step 1: make SEAICE_emissivity |
270 |
|
what the name implies (and not emissivity*BoltzmannConstant), this means |
271 |
|
the old default value of 5.5e-8 now means |
272 |
|
5.5e-8/5.670e-8 = 0.97001763668430343479 as ocean_emissivity in |
273 |
|
S/R exf_readparms |
274 |
|
- FV-discretization of the B-grid LSOR solver, turn on with |
275 |
|
SEAICE_LSRBNEW. This new solver also involves a slight re-organization |
276 |
|
of the calling routine dynsolver, so that B and C-grid code look a |
277 |
|
little more alike. |
278 |
|
- fix index bugs in ostres.F (B-grid code) |
279 |
|
o pkg/seaice/seaice_ocean_budget.F: change (unused) code to make it look better |
280 |
|
o pkg/seaice/seaice_readparms.F: make ocean_emissivity*stefanBoltzmann the |
281 |
|
default for SEAICE_emissivity, if useEXF; requires setting a wrong |
282 |
|
parameter value in global_ocean.cs32x15/input.seaice/data.seaice for |
283 |
|
backward compatiblity |
284 |
|
o model/src: use sigmaR in calc_ivdc |
285 |
|
|
286 |
|
checkpoint63g (2011/12/16) |
287 |
|
o pkg/seaice/seaice_growth.F: |
288 |
|
fix heat conservation of the coupled ocean-seaice system. |
289 |
|
when SEAICE_HEAT_CONSERV_FIX is defined, the mismatch of |
290 |
|
solid vs liquid water treatment is resolved via QNET. |
291 |
|
o pkg/seaice/seaice_growth.F: |
292 |
|
add missing term for sublimation in saltFlux, which was breaking conservation. |
293 |
|
o pkg/seaice/seaice_model.F: |
294 |
|
Remove this patholigical case treatment in evolution branch, |
295 |
|
where it is un-necessary and breaks conservation. |
296 |
|
Update global_ocean.cs32x15/results accordingly for |
297 |
|
output.seaice.txt output_adm.seaice.txt and output_adm.seaice_dynmix.txt |
298 |
|
o model/src: |
299 |
|
useRealFreshWaterFlux: remove masking of EmPmP (using maskInC) in |
300 |
|
external_forcing_surf.F and apply mask directly in S/R SOLVE_FOR_PRESSURE. |
301 |
|
o pkg/obcs: |
302 |
|
modify Stevens boundary conditions so that S/R obcs_calc_stevens computes |
303 |
|
tendency for temperature and salinity that is then applied to update |
304 |
|
theta and salt in S/R obcs_apply_ts; this requires proper masking of all |
305 |
|
horizontal advection and diffusion contributions on the boundary (in |
306 |
|
S/Rs gad_advection, gad_calc_rhs, gmredi_rtransport, gmredi_calc_diff), and |
307 |
|
removing the mask in S/R timestep_tracer. The advantage of this approach is |
308 |
|
that the updated tracer values include contributions from the surface |
309 |
|
forcing and vertical diffusion. |
310 |
|
This modification changes exp4.stevens because of vertical diffusion. |
311 |
|
o model/src: |
312 |
|
change non-curvilinear grid setting to also work with exch2 + blank tiles: |
313 |
|
- move delX,delY to new header file (SET_GRID.h) and adjust length to 1rst |
314 |
|
face dimensions. |
315 |
|
- new S/R INI_LOCAL_GRID to define model tile-local grid (using same units |
316 |
|
as delX,delY) and called from S/R INI_CARTESIAN_GRID, INI_CYLINDER_GRID |
317 |
|
and INI_SPHERICAL_POLAR_GRID. |
318 |
|
change test-experiment global_ocean.90x40x15: |
319 |
|
- split the domain in many more tiles (9x4 tiles of 10x10 each); |
320 |
|
- switch to exch2 and remove 1 blank-tile (but only for MPI test). |
321 |
|
- update results of both test (std & dwnslp). |
322 |
|
o pkg/diagnostics/diagstat_calc.F: fix problem with non-initialised halos in |
323 |
|
tmp-fields for TARGET_NEC_SX at the cost of extra loops and less vectorisation |
324 |
|
o model/src: |
325 |
|
- take sigma-coords related code out of update_etah.F into new S/R UPDATE_ETAWS |
326 |
|
and fix initialisation when using sigma-coords. |
327 |
|
o model/src: |
328 |
|
- improve Gael's changes from Jan 14, 2011 "addition of an 'update' of hfacc etc. |
329 |
|
to their current value at the beginning of forward_step.F": add a new run-time |
330 |
|
switch "doResetHFactors" (default=false) and use it to do (or not) the resetting. |
331 |
|
- set doResetHFactors=T in the following test exp: |
332 |
|
global_ocean.90x40x15/input (rStar) & input.dwnslp (linFS), |
333 |
|
global_ocean.cs32x15/input.seaice (rStar), hs94.cs-32x32x5/input.impIGW (linFS) |
334 |
|
and tutorial_global_oce_in_p (nonLinFS in p) |
335 |
o pkg/ecco |
o pkg/ecco |
336 |
- added IES cost term |
- added IES cost term |
337 |
o verification/advect_xz |
o verification/advect_xz |