/[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 1.1617 by heimbach, Sun Mar 11 23:24:25 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 Modify diagonal solvers, now three versions (upon request):
8      #ifndef SOLVE_DIAGONAL_AUTODIFF
9        1. default version (dating back a while ago)
10      #else /* def SOLVE_DIAGONAL_AUTODIFF */
11      # ifdef SOLVE_DIAGONAL_KINNER
12        2. adjoinable version with k-innermost loop (G. Forget)
13      # else
14        3. adjoinable vectorized version of 2.
15      # endif
16      #endif /* SOLVE_DIAGONAL_AUTODIFF */
17      All flags are currently set within routines, but could/should be moved to CPP-options.
18      Array bounds for 1. are as before, for 2.,3. cover the entire domain
19      (could be changed for 1. too).
20    o verification/lab_sea (fwd):
21      - update the 4 fwd lab_sea test experiment: no longer SEAICE_GROWTH_LEGACY,
22        use 7 categories (except hb87), new solve4temp params (except salt_plume),
23        constant salinity (=4) or variable salinity (salt_plume) done through
24        SItracer.
25    o pkg/seaice:
26      - rename parameters: SIsalFrac to SEAICE_saltFrac & SIsal0 to SEAICE_salt0;
27      - remove old parameters ( SEAICE_freeze, SEAICEturbFluxFormula, SEAICE_gamma_t,
28         SEAICE_gamma_t_frz, SEAICE_availHeatTaper & SEAICE_availHeatFracFrz)
29        from SEAICE_PARMS.h ; still need to fix seaice_cost_sst.F (broken when
30        SEAICE_freeze got retired) but already better than previously with
31        SEAICE_freeze=123456.7 deg.C;
32      - move setting of facOpenGrow/Melt from SEAICE_INIT_FIXED to SEAICE_READPARMS
33        (safer multi-threaded setting); always set SEAICEuseEVP;
34      - setting of ocean-ice turb. flux coeff: moved from SEAICE_CHECK to
35        SEAICE_READPARMS & SEAICE_INIT_FIXED (this fixes wrong summary report);
36        stop if multiple specifications for the same coeff; make sure default
37        SEAICE_mcPheePiston is compatible with drF(1) & deltaT.
38    o pkg/obcs:
39      - allow to switch to upwind 1rst order advection scheme for the advective
40        flux computation at the open-boundary; disabled for adjoint built.
41    o pkg/ptracers:
42      - rename PTRACERS_RESTART.h -> PTRACERS_START.h
43      - rename ptracers_fields_blocking_exchanges.F -> ptracers_fields_blocking_exch.F
44      - add parameter to decide when to start a tracer; use internal flag to
45        know which tracer to step-forward; switch this internal flag at the top
46        of forward_step.F (new S/R PTRACERS_SWITCH_ONOFF); for now, not enabled
47        for adjoint built.
48    o pkg/seaice:
49      - add SEAICE_SIZE.h anywhere in the code where SEAICE.h is included ;
50      - move MULTDIM declaration and setting from SEAICE.h to SEAICE_SIZE.h ;
51      - keep experiment offline_exf_seaice truly single category (set MULTDIM=1).
52    o pkg/ecco:
53      - fix writing of output file DiagnosCost_ClimSalt/Theta
54        and DiagnosCost_DriftSalt/Theta (if multi-tiles per proc).
55    o pkg/seaice:
56      - add missing initialisation of COR_ICE array in dynsolver.F
57      - merging SEAICE_MULTICATEGORY define and undef cases. Now the same code is
58        compiled either way, and is tested in all exps (multidim was only tested
59        in lab_sea ad before).
60      - cosmetic change to prepare for future addition of ITD. no change to results.
61        no defaults change.
62      - added run time param SEAICE_multDim (7 for SEAICE_MULTICATEGORY, 1 otherwise).
63      - by lack of adequate verification experiments, I further used custom versions
64        of global_ocean.cs32x15 to test multicat or not, with pickup or not. All
65        should be correct.
66      - avoid recomputations in ad.
67    o array initialisation in adjoint mode:
68      1) pkg/mom_common/mom_calc_ke.F:
69        add full array initialisation of KE inside mom_calc_ke.F (ALLOW_AUTODIFF_TAMC):
70        The S/R which calls MOM_CALC_KE initialises KE but in some recomputation
71        part this initialisation is gone, resulting in Floating Point Exception
72        (caught by open64 compiler with debug option).
73      2) model/src/convective_weights.F
74        set output convectCount over the full array range (instead of doing
75        an update): this fix a similar issue when called within recomputation (adjoint)
76        which could by-pass the initialisation (normally done in the caller S/R).
77    o pkg/seaice:
78      - final version of turbulent flux params, as agreed at MIT ice meet:
79           SEAICE_mcPheePiston (default is ~ 0.000875)
80           SEAICE_mcPheeTaper (default is 0.)
81           SEAICE_frazilFrac (defualt is 1.)
82           SEAICE_mcPheeStepFunc (default is false)
83      - changes results at trunction error level
84      - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo
85    o added pkg/frazil:
86      - see frazil_description.tex for details
87      - verification experiment is global_with_exf/input.yearly; changes output.yearly.txt
88    o pkg/shelfice/shelfice_thermodynamics.F
89      - fix exponents for velocity dependent exchange coefficients: change
90        from 2/3(=0) to 0.66666666666666667
91      - move computation of velocity dependent exchange coefficients into
92        separate loop, so that it applies to both thermodynamics
93      - move some divisions by constants out of loops
94    
95    checkpoint63j (2012/02/16)
96    o pkg/seaice:
97      - overhaul of seaice_summary.F after feb 2012 clean-up of seaice_growth.F etc.
98      - SItracer:  added run time params, and allow coupling to ocn salinity.
99    o pkg/seaice: remove (almost) all divisions by constants within loops
100      in seaice_growth.F and seaice_solve4temp.F, this changes (only) the cg2d
101      results of global_ocean.cs32x15.seaice from 16 to 11 digits (but only
102      those, caused by 1/QI -> recip_QI) -> update output.seaice.txt,
103      output_adm.seaice_dynmix.txt and also lab_sea: output_adm.evp.txt
104    o pkg/seaice :
105      - simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula
106        = 1 or 2, using newly added run time parameter SEAICE_availHeatTaper.
107      - fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148.
108      - add permanent SItflux diag that corresponds to TFLUX but includes
109        ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget.
110      - allow activation/testing of a fix for suspected missing term in
111        ocn-ice heat budget (to be confirmed). To test this, you want to
112        undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param
113        SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic.
114      - no change in results, fwd or ad.
115    o global_ocean.cs32x15/results: 3 changes following from the pkg/seaice commit below:
116      - switch to variable freezing point.
117           Results change : cg2d -> 1 digits; ad -> 3-6-6 digits.
118      - bug fix : the sublimation term that was missing is now activated.
119           Results change : cg2d -> 2 digits; ad -> 8-6-6 digits.
120      - bug fix : flooding sign term for SIsal0.NE.0.
121           Result change : cg2d -> 8 digits; ad -> 11-12-9 digits.
122    o pkg/seaice:
123      - unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT
124        is now the default, and the old default constant freezing point is recovered
125        with SEAICE_tempFrz0    = -1.96,
126             SEAICE_dTempFrz_dS = 0.,
127      - retire SEAICE_freeze (= the old way of specifycing the constant freezing point)
128      - remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there.
129      - bug fix (thanks to M. Losch) : the sublimation term that was missing is now
130        activated. To reproduce old results with this bug define SEAICE_DISABLE_SUBLIM.
131      - bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211)
132        was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail).
133      - bug fix (thanks to O. Jahn) : area loss for melting  got messed up in
134        seaice_growth r149 for legacy branch (no results change).
135      - introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code
136        from I. Fenty).
137      - results did not change except for global_ocean.cs32x15, mostly due to the
138        switch to variable freezing point (see above item for detail).
139    o pkg/thsice:
140      - fix and simplify interface to salt_plume pkg ; diagnose directly amount of
141        seawater freezing in thsice_calc_thickn (not used).
142    o pkg/seaice: turbulent flux term specification via run time params.
143      - replace CPP switches with run time switches to facilitate testing
144      - retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX,
145                       GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR
146      - added runtime parameter : SEAICEturbFluxFormula
147      - move Mcphee constants to SEAICE_PARAMS.h
148      - seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula;
149                 SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply);
150                 remove seaice_summary call (moved to seaice_init_fixed)
151      - seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on
152        SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms)
153      - seaice_summary.F : add missing report of read turbulent flux term set up
154                           and SITRACER.
155      - seaice_check.F : check range; inform and stop if retired CPPs are used
156                         (incl. SEAICE_AGE).
157      - seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without
158             CPP switch, same computation as before for the different options.
159      - change results at the truncation level.
160    o pkg/seaice:
161      - remove un-used parameters LAD & MAX_TICE ; add new run-time parameters:
162        useMaykutSatVapPoly (default=F), postSolvTempIter (default=2) and
163        SEAICE_wetAlbTemp (default=-1e-3). Remove option SEAICE_SOLVE4TEMP_LEGACY.
164      - update verification/*/input*/data.seaice:
165        to reproduce previous results with former #defined SEAICE_SOLVE4TEMP_LEGACY
166        code, set useMaykutSatVapPoly=T & postSolvTempIter=0 ;
167        and to reproduce previous results with former non-SOLVE4TEMP_LEGACY code,
168        set SEAICE_wetAlbTemp=0 & SEAICE_snowThick=0.
169    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY):
170      - remove LEGACY code for solving for tsurf (A1,A2,A3) but maintain the same
171        algorithm (same choice: useMaykutPolySatVap=T, postSolvTempIter=0);
172        difference in results only due to machine truncation.
173      - remove MAX_TICE (tsurf is always =< TMELT anyway); keep MIN_TICE if using
174        MaykutPolySatVap; keep MIN_LWDOWN.
175      - adapt SEAICE_MODIFY_GROWTH_ADJ code (untested) to non-legacy formulation.
176      - update output of verification exp. lab_sea (4 fwd: 11 cg2d digits except hb87,
177        + 3 AD: 6 digits except evp) and offline_exf_seaice.seaice (12 digits).
178    o pkg/salt_plume:
179      - isolate saltPlumeFlux array exch into a specific S/R called from
180        do_oceanic_phys.F
181      - add interface to pkg/salt_plume (filling of saltPlumeFlux) in pkg/thsice.
182    o verification:
183      - move untested set-up to MITgcm_contrib/verification_other.
184    o pkg/seaice:
185      - retire old way of SEAICE_AGE. Now replaced with ALLOW_SITRACER.
186    o pkg/seaice:
187      - seaice_solve4temp.F (keeping results unchanged):
188        * add 2 future run-time params to select which saturation vapor pressure
189          formula is used and how post-iteration fluxes are set.
190          Temporary set these 2 params according to option SOLVE4TEMP_LEGACY;
191        * New piece of code (not used) to update surf. atmos. heat flux F_ia using
192          the linearized expression to stay consistent with tsurf finding.
193      - seaice_freedrift.F avoid floating exception in sqrt(y) since y=sqrt(x*x)-x
194        can be < 0.
195    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY undef):
196      - remove from F_ia (and from it's derivative dFiDTs1) the contribution of
197        conductive heat flux F_c , and add it explicitly when updating tsurf as
198        solution of: Fc = Fia + d/dT(Fia - Fc) *delta.tsurf
199        so that now F_ia has a consistent meaning through the entire routine.
200        This causes differences at truncation level: update output of fwd exp.
201        global_ocean.cs32x15.seaice.
202    o pkg/seaice:
203      - lots of editing/cleaning in seaice_solve4temp.F + better documentation
204        of arrays, sign/direction of fluxes; no effect on results.
205      - replace hard coded 273.16 (=previous value of celsius2K) by celsius2K
206        in seaice_budget_ocean.F & seaice_solve4temp.F (SOLVE4TEMP_LEGACY part);
207        note: this should have been done before changing celsius2K default.
208      - to keep results unchanged, add back old value of celsius2K in verification
209        exp. input*/data : lab_sea (AD), offline_exf_seaice (fwd+AD) & seaice_obcs
210      - replace hard coded seawater freezing temp in seaice_solve4temp.F (part
211        SOLVE4TEMP_LEGACY) of 271.20 (=previous value of celsius2K + default
212        value of SEAICE_freeze) by celsius2K+SEAICE_freeze so that seawater
213        freezing temp is consistent with value in seaice_growth.F ; this causes
214        differences at machine truncation level: update lab_sea AD output (3/4).
215    o pkg/seaice:
216      - mask (in exf_init_fixed.F) atemp,aqh,evap,precip,runoff,lwflx,areamask
217        and climsst/sss even when using seaice (to prevent calculation that might
218        use SST on land); does not affect any verification exp.
219      - apply mask to taux,tauy (in seaice_get_dynforcing.F); update output
220        of lab_sea.fd & lab_sea.hb87 and global_ocean.cs32x15.seaice_dynmix.
221    o pkg/seaice/seaice_growth.F: add mask to avoid non-zero ice thickness
222      over land (non-legacy code)
223    o vectorize salt_plume package:
224      - add extra code to salt_plume_frac and salt_plume_tendency_apply_s
225      - this code computes plumebk everywhere (also over land), thus requires
226        code to avoid divisions by zero and catch the case of kLev=Nr.
227      - efficiency of salt_plume_frac is still sub-optimal
228    o tools (genmake2):
229      - fix makefile NAME specification (option: -makefile NAME) by adding
230        "-f $MAKEFILE" in few places where it was missing including makedepend
231        command (contribution from Paul).
232    
233    checkpoint63i (2012/01/24)
234    o model/src:
235      - add factorized versions of some EOS code to find_rho.F,
236        define USE_FACTORIZED_EOS to turn it on (default for TARGET_NEC_SX)
237    o model/src:
238      - add celsius2K to namelist PARM01; remove unused recip_rhoNil from PARAMS.h;
239      - change default celsius2K from 273.16 to 273.15
240      - to keep results unchanged, add back old value of celsius2K in verification
241        exp. input*/data : aim.5l_cs, 1D_ocean_ice_column, lab_sea (fwd),
242         global_ocean.cs32x15(seaice) & cpl_aim+ocn(input_atm).
243    o model/src: add a little initialisation trick to find_rho.F and find_alpha.F
244      to make TAF generate vectorizable code
245    o pkg/seaice/seaice_evp.F: add code (copied from CICE) that avoids underflows.
246       Turn on by defining SEAICE_EVP_ELIMINATE_UNDERFLOWS. Most compilers
247       have flags that do this more efficiently.
248    o pkg/diagnostics/diagstats_calc.F
249      - for TARGET_NEC_SX fix the treatment of the scaling factor tmpFac=scaleFact
250    o pkg/obcs (with exch2):
251      - derive OB indices in overlap region from OB-InsideMask (in obcs_init_fixed.F)
252        and remove code (in obcs_readparms.F) which was based on EXCH of indices
253        (through buffer) and did not account for exch2 (e.g., CS-grid) topology.
254    o pkg/exf and seaice exp:
255      - change offline_exf_seaice.seaicetd test exp. to use default DIFF1 value (=0)
256        so that switching off area & heff advection flags does not affect results.
257      - change default EXF_LWDOWN_WITH_EMISSIVITY to #define in EXF_OPTIONS.h
258      - keep exp. seaice_obcs & 1D_ocean_ice_column(ad) unchanged (using #undef
259        EXF_LWDOWN_WITH_EMISSIVITY) and, using pkg/exf default emissivities, update
260        results of verification experiments: 1D_ocean_ice_column(fwd),
261        global_ocean.cs32x15.seaice(fwd+ad) & seaice_dynmix(ad), lab_sea (all 8)
262        and offline_exf_seaice (all 4).
263    o pkg/seaice:
264      - remove array YNEG, RIVER, TMIX (replaced by local var) from common block;
265        remove also areaNm1 & hEffNm1 when SEAICE_GROWTH_LEGACY is undef.
266      - fix bug: areaNm1 & hEffNm1 are needed in seaice_growth (SEAICE_GROWTH_LEGACY)
267        but were not filled when resp. SEAICEadvArea=F & SEAICEadvHeff=F and
268        not multi-dim advection;
269      - fix seaice_growth.F to compile with both SEAICE_GROWTH_LEGACY and
270        SHORTWAVE_HEATING #undef.
271    o optim: make Makefile more robust (?)
272    o pkg/obcs:
273      * fix treatment of obcs_read_pickup for TAF
274    o pkg/shelfice:
275      * add missing initialisation of num_shifwflx
276      * new adjoint verification exp. for isomip
277      * change Prandtl and Schmidt numbers from generic formulations
278        (in terms of model diffus. and visc.) to separate runtime
279        parameters, with Holland and Jenkins (1999) default values.
280    o pkg/exf (interpolation):
281      - extended input field (2 rows) near the N & S poles:
282        * fill in with the symetric value (when even Nb of data in longitude)
283        * add average value at the poles only for scalar quantities ; for vector
284          component interpolation, skip the averaging and keep duplicated values,
285          unless the 2 components have same location (uvInterp=T) in which case
286          interpolate the 2 components together using S/R EXF_INTERP_UV.
287      - new S/R EXF_INTERP_UV to interpolate the 2 components of a vector field
288        together: this allows to account properly for local orientation when
289        averaging at N & S pole.
290      - add CPP option EXF_USE_OLD_INTERP_POLE to recover old results regarding
291        exf-interpolation near N & S poles. Undef by default.
292      - add debug check/print on 1rst iter if debugLevel >=2.
293    o pkg/exf:
294      - change masking flags definition (no longer "parameter"), put them in
295        common block and set them in S/R EXF_INIT_FIXED.
296      - change recognized masking flag from s,u,v to c,w,s since the mask
297        to use (maskC,W,S) depends on position on model grid and has little to
298        do with scalar/vector difference; fix masking if using P-coordinates.
299      - fix masking of wind-stress (was wrong if interpolated or read on A-grid)
300        and update results of exp. global_with_exf (x2).
301      - fix setting of zenith-angle table when SHORTWAVE_HEATING is undef.
302    o pkg/obcs
303      - S/R obcs_calc_stevens: fix a small bug (gammat -> gammas where appropriate)
304    o pkg/exf (interpolation):
305      - assume periodicity in X only if input field cover full longitude range.
306      - improve search for lat. index (supposed to be faster, in ~log2(ny) steps,
307        and should vectorise).
308      - fix input lat of the 2 added row (in case we provide N.pole data).
309    
310    checkpoint63h (2011/12/30)
311    o pkg/seaice:
312      - change declaration of UVM from _RL to _RS in order to get B-grid
313        uIce,vIce monitor when _RS = real*4
314    o pkg/offline:
315      - new S/R OFFLINE_RESET_PARMS for resetting main-model params (switch off flags);
316      - compute vertical velocity if not read from file (switch on exactConserv
317        & staggerTimeStep);
318      - fix output of ptracer monitor iter & time for default PTRACERS_monitorFreq.
319    o verification:
320      - update grid-files (in tutorial_held_suarez_cs/input and fizhi-cs-32x32x40/input)
321        with grid-angle generated using "utils/matlab/cs_grid/cubeCalcAngle.m":
322        fix Pb in yG definition @ 2 missing corners (previously yG was averaged);
323      - update output of exp. global_ocean.cs32x15.viscA4 after changing
324        grid-file angles (used here for coriolis-3d);
325      - remove (or gzip) few files not needed to run fizhi-cs experiments.
326    o pkg/exf (vector interpolation):
327      - rotate vector component toward local grid-axis orientation using grid-angles
328        (stored in GRID.h) instead of locally computed rotation angle; keep old code
329        available with exf option EXF_USE_OLD_VEC_ROTATION (undef by default).
330    o pkg/seaice:
331      - allow to compile with exf options ALLOW_ATM_TEMP or ALLOW_DOWNWARD_RADIATION
332        undefined. Fix and remove the stop when ALLOW_RUNOFF is undefined.
333    o pkg/PKG_OPTIONS.h files:
334      - move #include "CPP_OPTIONS.h" just after #include "PACKAGES_CONFIG.h",
335        outside of the #ifdef ALLOW_THISPKG / #endif block.
336      - update verification/*/code/PKG_OPTIONS.h files.
337    o add a verification experiment (offline_exf_seaice/input.seaice) that test
338      the B-grid LSOR solver
339    o pkg/seaice: sort out emissivity and long wave radiation step 2:
340      - add emissivity for snow and ice as new run-time parameters
341        (unfortunately) that default to the corresponding exf values; this
342        changes results in most verification experiments so that for backward
343        compatibility these parameter have to be set explicitly to inconsistent
344        values (ugly);
345      - the exf-flag EXF_LWDOWN_WITH_EMISSIVITY then gets rid off the hard-wired
346        emissivities of 0.97 associated with lwdownloc in S/R seaice_solve4temp
347        until we agree how to handle this bug properly
348  o pkg/exf (interpolation):  o pkg/exf (interpolation):
349    - add a set of run-time param ({inputfield}_interpMethod), one for    - add a set of run-time param ({inputfield}_interpMethod), one for
350      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 352  o pkg/exf (interpolation):
352    - print interpolation parameters to standard output;    - print interpolation parameters to standard output;
353    - 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
354      (to use instead runoff_interpMethod=0 in data.exf).      (to use instead runoff_interpMethod=0 in data.exf).
355      - simplify default setting of interpolation parameters (for all fields,
356        set position to match model grid cell-center position, leading to trivial
357        interpolation in case of regular Lat-Lon grid) and fix for the case of
358        non-uniform delY.
359  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
360     within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.     within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.
361     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.1.1617

  ViewVC Help
Powered by ViewVC 1.1.22