/[MITgcm]/MITgcm/doc/tag-index
ViewVC logotype

Diff of /MITgcm/doc/tag-index

Parent Directory Parent Directory | Revision Log Revision Log | View Revision Graph Revision Graph | View Patch Patch

revision 1.1557 by jmc, Wed Dec 21 17:31:53 2011 UTC revision 1.1610 by jmc, Mon Mar 5 16:23:23 2012 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/seaice :
8      - add missing initialisation of COR_ICE array in dynsolver.F
9      - merging SEAICE_MULTICATEGORY define and undef cases. Now the same code is
10        compiled either way, and is tested in all exps (multidim was only tested
11        in lab_sea ad before).
12      - cosmetic change to prepare for future addition of ITD. no change to results.
13        no defaults change.
14      - added run time param SEAICE_multDim (7 for SEAICE_MULTICATEGORY, 1 otherwise).
15      - by lack of adequate verification experiments, I further used custom versions
16        of global_ocean.cs32x15 to test multicat or not, with pickup or not. All
17        should be correct.
18      - avoid recomputations in ad.
19    o array initialisation in adjoint mode:
20      1) pkg/mom_common/mom_calc_ke.F:
21        add full array initialisation of KE inside mom_calc_ke.F (ALLOW_AUTODIFF_TAMC):
22        The S/R which calls MOM_CALC_KE initialises KE but in some recomputation
23        part this initialisation is gone, resulting in Floating Point Exception
24        (caught by open64 compiler with debug option).
25      2) model/src/convective_weights.F
26        set output convectCount over the full array range (instead of doing
27        an update): this fix a similar issue when called within recomputation (adjoint)
28        which could by-pass the initialisation (normally done in the caller S/R).
29    o pkg/seaice:
30      - final version of turbulent flux params, as agreed at MIT ice meet:
31           SEAICE_mcPheePiston (default is ~ 0.000875)
32           SEAICE_mcPheeTaper (default is 0.)
33           SEAICE_frazilFrac (defualt is 1.)
34           SEAICE_mcPheeStepFunc (default is false)
35      - changes results at trunction error level
36      - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo
37    o added pkg/frazil:
38      - see frazil_description.tex for details
39      - verification experiment is global_with_exf/input.yearly; changes output.yearly.txt
40    o pkg/shelfice/shelfice_thermodynamics.F
41      - fix exponents for velocity dependent exchange coefficients: change
42        from 2/3(=0) to 0.66666666666666667
43      - move computation of velocity dependent exchange coefficients into
44        separate loop, so that it applies to both thermodynamics
45      - move some divisions by constants out of loops
46    
47    checkpoint63j (2012/02/16)
48    o pkg/seaice:
49      - overhaul of seaice_summary.F after feb 2012 clean-up of seaice_growth.F etc.
50      - SItracer:  added run time params, and allow coupling to ocn salinity.
51    o pkg/seaice: remove (almost) all divisions by constants within loops
52      in seaice_growth.F and seaice_solve4temp.F, this changes (only) the cg2d
53      results of global_ocean.cs32x15.seaice from 16 to 11 digits (but only
54      those, caused by 1/QI -> recip_QI) -> update output.seaice.txt,
55      output_adm.seaice_dynmix.txt and also lab_sea: output_adm.evp.txt
56    o pkg/seaice :
57      - simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula
58        = 1 or 2, using newly added run time parameter SEAICE_availHeatTaper.
59      - fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148.
60      - add permanent SItflux diag that corresponds to TFLUX but includes
61        ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget.
62      - allow activation/testing of a fix for suspected missing term in
63        ocn-ice heat budget (to be confirmed). To test this, you want to
64        undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param
65        SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic.
66      - no change in results, fwd or ad.
67    o global_ocean.cs32x15/results: 3 changes following from the pkg/seaice commit below:
68      - switch to variable freezing point.
69           Results change : cg2d -> 1 digits; ad -> 3-6-6 digits.
70      - bug fix : the sublimation term that was missing is now activated.
71           Results change : cg2d -> 2 digits; ad -> 8-6-6 digits.
72      - bug fix : flooding sign term for SIsal0.NE.0.
73           Result change : cg2d -> 8 digits; ad -> 11-12-9 digits.
74    o pkg/seaice:
75      - unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT
76        is now the default, and the old default constant freezing point is recovered
77        with SEAICE_tempFrz0    = -1.96,
78             SEAICE_dTempFrz_dS = 0.,
79      - retire SEAICE_freeze (= the old way of specifycing the constant freezing point)
80      - remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there.
81      - bug fix (thanks to M. Losch) : the sublimation term that was missing is now
82        activated. To reproduce old results with this bug define SEAICE_DISABLE_SUBLIM.
83      - bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211)
84        was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail).
85      - bug fix (thanks to O. Jahn) : area loss for melting  got messed up in
86        seaice_growth r149 for legacy branch (no results change).
87      - introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code
88        from I. Fenty).
89      - results did not change except for global_ocean.cs32x15, mostly due to the
90        switch to variable freezing point (see above item for detail).
91    o pkg/thsice:
92      - fix and simplify interface to salt_plume pkg ; diagnose directly amount of
93        seawater freezing in thsice_calc_thickn (not used).
94    o pkg/seaice: turbulent flux term specification via run time params.
95      - replace CPP switches with run time switches to facilitate testing
96      - retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX,
97                       GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR
98      - added runtime parameter : SEAICEturbFluxFormula
99      - move Mcphee constants to SEAICE_PARAMS.h
100      - seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula;
101                 SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply);
102                 remove seaice_summary call (moved to seaice_init_fixed)
103      - seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on
104        SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms)
105      - seaice_summary.F : add missing report of read turbulent flux term set up
106                           and SITRACER.
107      - seaice_check.F : check range; inform and stop if retired CPPs are used
108                         (incl. SEAICE_AGE).
109      - seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without
110             CPP switch, same computation as before for the different options.
111      - change results at the truncation level.
112    o pkg/seaice:
113      - remove un-used parameters LAD & MAX_TICE ; add new run-time parameters:
114        useMaykutSatVapPoly (default=F), postSolvTempIter (default=2) and
115        SEAICE_wetAlbTemp (default=-1e-3). Remove option SEAICE_SOLVE4TEMP_LEGACY.
116      - update verification/*/input*/data.seaice:
117        to reproduce previous results with former #defined SEAICE_SOLVE4TEMP_LEGACY
118        code, set useMaykutSatVapPoly=T & postSolvTempIter=0 ;
119        and to reproduce previous results with former non-SOLVE4TEMP_LEGACY code,
120        set SEAICE_wetAlbTemp=0 & SEAICE_snowThick=0.
121    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY):
122      - remove LEGACY code for solving for tsurf (A1,A2,A3) but maintain the same
123        algorithm (same choice: useMaykutPolySatVap=T, postSolvTempIter=0);
124        difference in results only due to machine truncation.
125      - remove MAX_TICE (tsurf is always =< TMELT anyway); keep MIN_TICE if using
126        MaykutPolySatVap; keep MIN_LWDOWN.
127      - adapt SEAICE_MODIFY_GROWTH_ADJ code (untested) to non-legacy formulation.
128      - update output of verification exp. lab_sea (4 fwd: 11 cg2d digits except hb87,
129        + 3 AD: 6 digits except evp) and offline_exf_seaice.seaice (12 digits).
130    o pkg/salt_plume:
131      - isolate saltPlumeFlux array exch into a specific S/R called from
132        do_oceanic_phys.F
133      - add interface to pkg/salt_plume (filling of saltPlumeFlux) in pkg/thsice.
134    o verification:
135      - move untested set-up to MITgcm_contrib/verification_other.
136    o pkg/seaice:
137      - retire old way of SEAICE_AGE. Now replaced with ALLOW_SITRACER.
138    o pkg/seaice:
139      - seaice_solve4temp.F (keeping results unchanged):
140        * add 2 future run-time params to select which saturation vapor pressure
141          formula is used and how post-iteration fluxes are set.
142          Temporary set these 2 params according to option SOLVE4TEMP_LEGACY;
143        * New piece of code (not used) to update surf. atmos. heat flux F_ia using
144          the linearized expression to stay consistent with tsurf finding.
145      - seaice_freedrift.F avoid floating exception in sqrt(y) since y=sqrt(x*x)-x
146        can be < 0.
147    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY undef):
148      - remove from F_ia (and from it's derivative dFiDTs1) the contribution of
149        conductive heat flux F_c , and add it explicitly when updating tsurf as
150        solution of: Fc = Fia + d/dT(Fia - Fc) *delta.tsurf
151        so that now F_ia has a consistent meaning through the entire routine.
152        This causes differences at truncation level: update output of fwd exp.
153        global_ocean.cs32x15.seaice.
154    o pkg/seaice:
155      - lots of editing/cleaning in seaice_solve4temp.F + better documentation
156        of arrays, sign/direction of fluxes; no effect on results.
157      - replace hard coded 273.16 (=previous value of celsius2K) by celsius2K
158        in seaice_budget_ocean.F & seaice_solve4temp.F (SOLVE4TEMP_LEGACY part);
159        note: this should have been done before changing celsius2K default.
160      - to keep results unchanged, add back old value of celsius2K in verification
161        exp. input*/data : lab_sea (AD), offline_exf_seaice (fwd+AD) & seaice_obcs
162      - replace hard coded seawater freezing temp in seaice_solve4temp.F (part
163        SOLVE4TEMP_LEGACY) of 271.20 (=previous value of celsius2K + default
164        value of SEAICE_freeze) by celsius2K+SEAICE_freeze so that seawater
165        freezing temp is consistent with value in seaice_growth.F ; this causes
166        differences at machine truncation level: update lab_sea AD output (3/4).
167    o pkg/seaice:
168      - mask (in exf_init_fixed.F) atemp,aqh,evap,precip,runoff,lwflx,areamask
169        and climsst/sss even when using seaice (to prevent calculation that might
170        use SST on land); does not affect any verification exp.
171      - apply mask to taux,tauy (in seaice_get_dynforcing.F); update output
172        of lab_sea.fd & lab_sea.hb87 and global_ocean.cs32x15.seaice_dynmix.
173    o pkg/seaice/seaice_growth.F: add mask to avoid non-zero ice thickness
174      over land (non-legacy code)
175    o vectorize salt_plume package:
176      - add extra code to salt_plume_frac and salt_plume_tendency_apply_s
177      - this code computes plumebk everywhere (also over land), thus requires
178        code to avoid divisions by zero and catch the case of kLev=Nr.
179      - efficiency of salt_plume_frac is still sub-optimal
180    o tools (genmake2):
181      - fix makefile NAME specification (option: -makefile NAME) by adding
182        "-f $MAKEFILE" in few places where it was missing including makedepend
183        command (contribution from Paul).
184    
185    checkpoint63i (2012/01/24)
186    o model/src:
187      - add factorized versions of some EOS code to find_rho.F,
188        define USE_FACTORIZED_EOS to turn it on (default for TARGET_NEC_SX)
189    o model/src:
190      - add celsius2K to namelist PARM01; remove unused recip_rhoNil from PARAMS.h;
191      - change default celsius2K from 273.16 to 273.15
192      - to keep results unchanged, add back old value of celsius2K in verification
193        exp. input*/data : aim.5l_cs, 1D_ocean_ice_column, lab_sea (fwd),
194         global_ocean.cs32x15(seaice) & cpl_aim+ocn(input_atm).
195    o model/src: add a little initialisation trick to find_rho.F and find_alpha.F
196      to make TAF generate vectorizable code
197    o pkg/seaice/seaice_evp.F: add code (copied from CICE) that avoids underflows.
198       Turn on by defining SEAICE_EVP_ELIMINATE_UNDERFLOWS. Most compilers
199       have flags that do this more efficiently.
200    o pkg/diagnostics/diagstats_calc.F
201      - for TARGET_NEC_SX fix the treatment of the scaling factor tmpFac=scaleFact
202    o pkg/obcs (with exch2):
203      - derive OB indices in overlap region from OB-InsideMask (in obcs_init_fixed.F)
204        and remove code (in obcs_readparms.F) which was based on EXCH of indices
205        (through buffer) and did not account for exch2 (e.g., CS-grid) topology.
206    o pkg/exf and seaice exp:
207      - change offline_exf_seaice.seaicetd test exp. to use default DIFF1 value (=0)
208        so that switching off area & heff advection flags does not affect results.
209      - change default EXF_LWDOWN_WITH_EMISSIVITY to #define in EXF_OPTIONS.h
210      - keep exp. seaice_obcs & 1D_ocean_ice_column(ad) unchanged (using #undef
211        EXF_LWDOWN_WITH_EMISSIVITY) and, using pkg/exf default emissivities, update
212        results of verification experiments: 1D_ocean_ice_column(fwd),
213        global_ocean.cs32x15.seaice(fwd+ad) & seaice_dynmix(ad), lab_sea (all 8)
214        and offline_exf_seaice (all 4).
215    o pkg/seaice:
216      - remove array YNEG, RIVER, TMIX (replaced by local var) from common block;
217        remove also areaNm1 & hEffNm1 when SEAICE_GROWTH_LEGACY is undef.
218      - fix bug: areaNm1 & hEffNm1 are needed in seaice_growth (SEAICE_GROWTH_LEGACY)
219        but were not filled when resp. SEAICEadvArea=F & SEAICEadvHeff=F and
220        not multi-dim advection;
221      - fix seaice_growth.F to compile with both SEAICE_GROWTH_LEGACY and
222        SHORTWAVE_HEATING #undef.
223    o optim: make Makefile more robust (?)
224    o pkg/obcs:
225      * fix treatment of obcs_read_pickup for TAF
226    o pkg/shelfice:
227      * add missing initialisation of num_shifwflx
228      * new adjoint verification exp. for isomip
229      * change Prandtl and Schmidt numbers from generic formulations
230        (in terms of model diffus. and visc.) to separate runtime
231        parameters, with Holland and Jenkins (1999) default values.
232    o pkg/exf (interpolation):
233      - extended input field (2 rows) near the N & S poles:
234        * fill in with the symetric value (when even Nb of data in longitude)
235        * add average value at the poles only for scalar quantities ; for vector
236          component interpolation, skip the averaging and keep duplicated values,
237          unless the 2 components have same location (uvInterp=T) in which case
238          interpolate the 2 components together using S/R EXF_INTERP_UV.
239      - new S/R EXF_INTERP_UV to interpolate the 2 components of a vector field
240        together: this allows to account properly for local orientation when
241        averaging at N & S pole.
242      - add CPP option EXF_USE_OLD_INTERP_POLE to recover old results regarding
243        exf-interpolation near N & S poles. Undef by default.
244      - add debug check/print on 1rst iter if debugLevel >=2.
245    o pkg/exf:
246      - change masking flags definition (no longer "parameter"), put them in
247        common block and set them in S/R EXF_INIT_FIXED.
248      - change recognized masking flag from s,u,v to c,w,s since the mask
249        to use (maskC,W,S) depends on position on model grid and has little to
250        do with scalar/vector difference; fix masking if using P-coordinates.
251      - fix masking of wind-stress (was wrong if interpolated or read on A-grid)
252        and update results of exp. global_with_exf (x2).
253      - fix setting of zenith-angle table when SHORTWAVE_HEATING is undef.
254    o pkg/obcs
255      - S/R obcs_calc_stevens: fix a small bug (gammat -> gammas where appropriate)
256    o pkg/exf (interpolation):
257      - assume periodicity in X only if input field cover full longitude range.
258      - improve search for lat. index (supposed to be faster, in ~log2(ny) steps,
259        and should vectorise).
260      - fix input lat of the 2 added row (in case we provide N.pole data).
261    
262    checkpoint63h (2011/12/30)
263    o pkg/seaice:
264      - change declaration of UVM from _RL to _RS in order to get B-grid
265        uIce,vIce monitor when _RS = real*4
266    o pkg/offline:
267      - new S/R OFFLINE_RESET_PARMS for resetting main-model params (switch off flags);
268      - compute vertical velocity if not read from file (switch on exactConserv
269        & staggerTimeStep);
270      - fix output of ptracer monitor iter & time for default PTRACERS_monitorFreq.
271    o verification:
272      - update grid-files (in tutorial_held_suarez_cs/input and fizhi-cs-32x32x40/input)
273        with grid-angle generated using "utils/matlab/cs_grid/cubeCalcAngle.m":
274        fix Pb in yG definition @ 2 missing corners (previously yG was averaged);
275      - update output of exp. global_ocean.cs32x15.viscA4 after changing
276        grid-file angles (used here for coriolis-3d);
277      - remove (or gzip) few files not needed to run fizhi-cs experiments.
278    o pkg/exf (vector interpolation):
279      - rotate vector component toward local grid-axis orientation using grid-angles
280        (stored in GRID.h) instead of locally computed rotation angle; keep old code
281        available with exf option EXF_USE_OLD_VEC_ROTATION (undef by default).
282    o pkg/seaice:
283      - allow to compile with exf options ALLOW_ATM_TEMP or ALLOW_DOWNWARD_RADIATION
284        undefined. Fix and remove the stop when ALLOW_RUNOFF is undefined.
285    o pkg/PKG_OPTIONS.h files:
286      - move #include "CPP_OPTIONS.h" just after #include "PACKAGES_CONFIG.h",
287        outside of the #ifdef ALLOW_THISPKG / #endif block.
288      - update verification/*/code/PKG_OPTIONS.h files.
289    o add a verification experiment (offline_exf_seaice/input.seaice) that test
290      the B-grid LSOR solver
291    o pkg/seaice: sort out emissivity and long wave radiation step 2:
292      - add emissivity for snow and ice as new run-time parameters
293        (unfortunately) that default to the corresponding exf values; this
294        changes results in most verification experiments so that for backward
295        compatibility these parameter have to be set explicitly to inconsistent
296        values (ugly);
297      - the exf-flag EXF_LWDOWN_WITH_EMISSIVITY then gets rid off the hard-wired
298        emissivities of 0.97 associated with lwdownloc in S/R seaice_solve4temp
299        until we agree how to handle this bug properly
300  o pkg/exf (interpolation):  o pkg/exf (interpolation):
301    - add a set of run-time param ({inputfield}_interpMethod), one for    - add a set of run-time param ({inputfield}_interpMethod), one for
302      each interpolated input field, to select the interpolation method      each interpolated input field, to select the interpolation method
# Line 11  o pkg/exf (interpolation): Line 304  o pkg/exf (interpolation):
304    - print interpolation parameters to standard output;    - print interpolation parameters to standard output;
305    - refine exf_check.F accordingly ; stop if USE_NO_INTERP_RUNOFF is defined    - refine exf_check.F accordingly ; stop if USE_NO_INTERP_RUNOFF is defined
306      (to use instead runoff_interpMethod=0 in data.exf).      (to use instead runoff_interpMethod=0 in data.exf).
307      - simplify default setting of interpolation parameters (for all fields,
308        set position to match model grid cell-center position, leading to trivial
309        interpolation in case of regular Lat-Lon grid) and fix for the case of
310        non-uniform delY.
311  o pkg/exf/exf_radiation.F: add the factor ocean_emissivity to lwdown, for  o pkg/exf/exf_radiation.F: add the factor ocean_emissivity to lwdown, for
312     within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.     within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.
313     this factor is absolutely required, because the lw exitance (= out-going     this factor is absolutely required, because the lw exitance (= out-going

Legend:
Removed from v.1.1557  
changed lines
  Added in v.1.1610

  ViewVC Help
Powered by ViewVC 1.1.22