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revision 1.1557 by jmc, Wed Dec 21 17:31:53 2011 UTC revision 1.1647 by jmc, Sat Apr 7 20:07:44 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/exf:
8     - new S/R EXF_GETFIELD_START to return starting-time of a forcing field
9       (according to useExfYearlyFields).
10    o pkg/cal:
11     - move calendar setting & summary (previously in cal_readparams.F) into new
12       S/R CAL_INIT_FIXED to be called later in the initialisation process, once
13       length of the simulation is set (after SET_PARMS call); This is an attempt
14       to fix Pb when, e.g.: pkg/longstep, modifies the length of the run.
15     - For safety: keep a record of pkg/cal parameter settings status
16               to allow to STOP if one pkg/cal S/R is called too early.
17     - add a stop in all basic pkg/cal subroutines if called before setting is done.
18     - modify cal_getdate.F: stop when nothing was returned;
19       if called with myIter=-1, simply retrun modelBaseDate (1,2 = startDate_1,_2);
20       this allows to remove "cal.h" from seaice_read_parms.F & init_mnc_vars.F.
21    
22    checkpoint63l (2012/04/04)
23    o pkg/bbl:
24      - fix call to FIND_RHO_2D in bbl_calc_rho.F (case multi-tiles per proc);
25        update global_with_exf output.yearly.txt file.
26    o pkg/cal:
27      - start to clean-up cal_set.F ; fix for the case where baseTime is non-zero.
28      - remove 2 unsused and very short (1 line only) functions ;
29      - remove unsused subroutines from AD-Diff list.
30    o model/src:
31      - start to implement clean wait to stop in initialization S/R (config_check.F,
32         packages_check.F, ini_parms.F and pkg/obcs/obcs_check.F + pkg/mypackage)
33    o folowing PRINT_MESSAGE changes:
34      - remove reminder multiple print to the same file (STDOUT) when multi-threads.
35    o pkg/bbl:
36      - modification so it can work with z*
37      - replace deltaT with dTtracerLev(k) for asynchronous time stepping
38      - global_with_exf/input.yearly verification; changes output.yearly.txt
39    o eesupp/src:
40      - PRINT_MESSAGE: use OpenMP critical instruction (similar to PRINT_ERROR);
41        writing to unit 0 (if unit=errorMessageUnit) extended to the case myThid=1
42      - CHECK_THREADS: specific code if using OpenMP threading: improve checking of
43        # of threads across processors (e.g., different env OMP_NUM_THREADS setting)
44      - improve special preliminary call to EESET_PARMS (if eedata is read 2 times).
45      - when using MPI, always set usingMPI=T ; set default accordingly and stop
46        if not consistent.
47      - ALL_PROC_DIE: add a BARRIER after MPI_FINALIZE call ; skip this when thread
48        argument is zero (in case called within single-thread section).
49    o pkg/fizhi:
50        clean-up turbulence cold-start switch: decided in fizhi_init_vars.F, stored
51        in common bloc (fizhi_coms.h) and then passed as argument up to S/R TURBIO.
52    o pkg/exch2:
53      - add argument "updateCorners" to S/R exch2_get_uv_bounds (enable to
54        activate EXCH_IGNORE_CORNERS in vector EXCH S/R).
55      - switch 1rst EXCH call to IGNORE_CORNERS (instead of UPDATE_CORNERS)
56        but keep the 2nd with UPDATE_CORNERS: this prevents overwriting good data
57        with bad ones coming from a not-yet-updated halo.
58        This should fix the problem when sNx <> sNy and GCD(sNx,sNy) < 2*Olx.
59    o pkg/frazil:
60        move FrzForcT diag from frazil_diagnostics_state.F to frazil_calc_rhs.F
61        http://mitgcm.org/pipermail/mitgcm-devel/2012-March/005384.html
62    o model/src/config_check.F: add a check for OLx>sNx/OLy>sNy
63    o verification/lab_sea
64      * #undef SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING
65      * #define ALLOW_SST_CONTROL & ALLOW_SST_CONTROL
66      * nTimeSteps 3 -> 4
67      * changed reference output accordingly
68    o pkg/ctrl:
69      * fix ctrl_get_gen for xx_sst, xx_sss
70    o pkg/fizhi:
71      - fix 2 calls to S/R GRD2MSC (argument igrd) in update_earth_exports.F
72        update results of exp. fizhi-cs-32x32x40 (fail with only 6 digits for cg2d)
73      - by default, use new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE);
74        fix few out-of-bounds indices in referencing vars (initialise igrd to 1);
75        clean-up fizhi_turb.F (remove unused & uninitialised qdiaglsm array).
76    o pkg/gmredi:
77      - add diagnostic of Redi (main diagnonal) vertical diffusive flux of Temp
78    o pkg/fizhi:
79      - fix few initialisation and multi-tile Pb: aqualev & gridalt now pass the
80        (old)aces open64 tuv test.
81    o pkg/icefront: fix bug and reorder loop in icefront_init_varia.F
82    o pkg/mom_vecinv:
83      - fix 1 loop range in mom_vecinv.F to be like all the other loops which
84        set/update gu,gv/Diss (fix Pb of uninitialised fVerUkp in admom_vecinv
85        with non-lin free-surf).
86    o model/src: move k-loop outside of i/j-loops when (re-)computing R_low
87      in ini/update_masks_etc.F in order to avoid -O3 optimization problems with
88      some compilers (gfortran 4.6.0 on MacOS)
89    o momentum:
90      - separate fVer?(:,:,kUp) & fVer?(:,:,kDown) in argument list of MOM_FLUXFORM
91        & MOM_VECINV subroutines (to help TAF). This fixes Pb of uninitialised
92        fVer?(kUp) in admom_fluxform with non-lin free-surf or bottom control.
93    
94    checkpoint63k (2012/03/17)
95    o model/src:
96       - selectAddFluid (ALLOW_ADDFLUID): add missing term in horizontal momentum
97         flux-form (mom_fluxform.F) and vertical momentum (calc_gw.F) equations.
98       - SOLVE_DIAGONAL: switch default to use adjoinable & vectorized version
99         (#undef SOLVE_DIAGONAL_LOWMEMORY); update output of exp. front_relax.bvp.
100    o model/src: solve_*diagonal.F
101       - replace division with multiplication by inverse (similar to original version)
102         update output of AD exp. global_ocean.90x40x15.
103       - fix pkg/gmredi/gmredi_calc_psi_bvp.F & pkg/ggl90/ggl90_calc.F
104         to enable the use of the vectorized & differentiable solve_tridiagonal.F
105       - test exp. global_ocean.90x40x15/input_ad: switch to advection scheme 20 for
106         vertical advection (to get solve_tridiagonal tested in AD mode).
107    o pkg/seaice: ECCO-CLIVAR merge:
108      1. seaice AREA relaxation
109         * CPP option: SEAICE_ALLOW_AREA_RELAXATION
110         * runtime flag: SEAICE_tauAreaObsRelax
111      2. modified global mean cost imbalance code: CPP option
112          ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION
113    o another iteration on solve_*diagonal.F
114       Make choices independent of AUTODIFF
115       Default will be the adjoinable vectorized version.
116       Alternative choices are:
117       * non-adjoinable original version with low memory footprint:
118         #define SOLVE_DIAGONAL_LOWMEMORY
119       * still adjoinable but does not vectorize (k as inner-most loop):
120         #define SOLVE_DIAGONAL_KINNER (keeping SOLVE_DIAGONAL_LOWMEMORY undef)
121    o testreport
122     - add option to use a home made wrapper around "make"
123     - remove MITGCM_IEEE env. variable (no longer active)
124    o pkg/shelfice
125     - improve computation of friction velocity for velocity dependent
126       exchange coefficients: include velocities into SHELFICEBoundaryLayer
127       block to average velocities vertically
128     - add TAF store directives for SHI_ALLOW_GAMMAFRICT
129    o Modify diagonal solvers, now three versions (upon request):
130      #ifndef SOLVE_DIAGONAL_AUTODIFF
131        1. default version (dating back a while ago)
132      #else /* def SOLVE_DIAGONAL_AUTODIFF */
133      # ifdef SOLVE_DIAGONAL_KINNER
134        2. adjoinable version with k-innermost loop (G. Forget)
135      # else
136        3. adjoinable vectorized version of 2.
137      # endif
138      #endif /* SOLVE_DIAGONAL_AUTODIFF */
139      All flags are currently set within routines, but could/should be moved to CPP-options.
140      Array bounds for 1. are as before, for 2.,3. cover the entire domain
141      (could be changed for 1. too).
142    o verification/lab_sea (fwd):
143      - update the 4 fwd lab_sea test experiment: no longer SEAICE_GROWTH_LEGACY,
144        use 7 categories (except hb87), new solve4temp params (except salt_plume),
145        constant salinity (=4) or variable salinity (salt_plume) done through
146        SItracer.
147    o pkg/seaice:
148      - rename parameters: SIsalFrac to SEAICE_saltFrac & SIsal0 to SEAICE_salt0;
149      - remove old parameters ( SEAICE_freeze, SEAICEturbFluxFormula, SEAICE_gamma_t,
150         SEAICE_gamma_t_frz, SEAICE_availHeatTaper & SEAICE_availHeatFracFrz)
151        from SEAICE_PARMS.h ; still need to fix seaice_cost_sst.F (broken when
152        SEAICE_freeze got retired) but already better than previously with
153        SEAICE_freeze=123456.7 deg.C;
154      - move setting of facOpenGrow/Melt from SEAICE_INIT_FIXED to SEAICE_READPARMS
155        (safer multi-threaded setting); always set SEAICEuseEVP;
156      - setting of ocean-ice turb. flux coeff: moved from SEAICE_CHECK to
157        SEAICE_READPARMS & SEAICE_INIT_FIXED (this fixes wrong summary report);
158        stop if multiple specifications for the same coeff; make sure default
159        SEAICE_mcPheePiston is compatible with drF(1) & deltaT.
160    o pkg/obcs:
161      - allow to switch to upwind 1rst order advection scheme for the advective
162        flux computation at the open-boundary; disabled for adjoint built.
163    o pkg/ptracers:
164      - rename PTRACERS_RESTART.h -> PTRACERS_START.h
165      - rename ptracers_fields_blocking_exchanges.F -> ptracers_fields_blocking_exch.F
166      - add parameter to decide when to start a tracer; use internal flag to
167        know which tracer to step-forward; switch this internal flag at the top
168        of forward_step.F (new S/R PTRACERS_SWITCH_ONOFF); for now, not enabled
169        for adjoint built.
170    o pkg/seaice:
171      - add SEAICE_SIZE.h anywhere in the code where SEAICE.h is included ;
172      - move MULTDIM declaration and setting from SEAICE.h to SEAICE_SIZE.h ;
173      - keep experiment offline_exf_seaice truly single category (set MULTDIM=1).
174    o pkg/ecco:
175      - fix writing of output file DiagnosCost_ClimSalt/Theta
176        and DiagnosCost_DriftSalt/Theta (if multi-tiles per proc).
177    o pkg/seaice:
178      - add missing initialisation of COR_ICE array in dynsolver.F
179      - merging SEAICE_MULTICATEGORY define and undef cases. Now the same code is
180        compiled either way, and is tested in all exps (multidim was only tested
181        in lab_sea ad before).
182      - cosmetic change to prepare for future addition of ITD. no change to results.
183        no defaults change.
184      - added run time param SEAICE_multDim (7 for SEAICE_MULTICATEGORY, 1 otherwise).
185      - by lack of adequate verification experiments, I further used custom versions
186        of global_ocean.cs32x15 to test multicat or not, with pickup or not. All
187        should be correct.
188      - avoid recomputations in ad.
189    o array initialisation in adjoint mode:
190      1) pkg/mom_common/mom_calc_ke.F:
191        add full array initialisation of KE inside mom_calc_ke.F (ALLOW_AUTODIFF_TAMC):
192        The S/R which calls MOM_CALC_KE initialises KE but in some recomputation
193        part this initialisation is gone, resulting in Floating Point Exception
194        (caught by open64 compiler with debug option).
195      2) model/src/convective_weights.F
196        set output convectCount over the full array range (instead of doing
197        an update): this fix a similar issue when called within recomputation (adjoint)
198        which could by-pass the initialisation (normally done in the caller S/R).
199    o pkg/seaice:
200      - final version of turbulent flux params, as agreed at MIT ice meet:
201           SEAICE_mcPheePiston (default is ~ 0.000875)
202           SEAICE_mcPheeTaper (default is 0.)
203           SEAICE_frazilFrac (defualt is 1.)
204           SEAICE_mcPheeStepFunc (default is false)
205      - changes results at trunction error level
206      - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo
207    o added pkg/frazil:
208      - see frazil_description.tex for details
209      - verification experiment is global_with_exf/input.yearly; changes output.yearly.txt
210    o pkg/shelfice/shelfice_thermodynamics.F
211      - fix exponents for velocity dependent exchange coefficients: change
212        from 2/3(=0) to 0.66666666666666667
213      - move computation of velocity dependent exchange coefficients into
214        separate loop, so that it applies to both thermodynamics
215      - move some divisions by constants out of loops
216    
217    checkpoint63j (2012/02/16)
218    o pkg/seaice:
219      - overhaul of seaice_summary.F after feb 2012 clean-up of seaice_growth.F etc.
220      - SItracer:  added run time params, and allow coupling to ocn salinity.
221    o pkg/seaice: remove (almost) all divisions by constants within loops
222      in seaice_growth.F and seaice_solve4temp.F, this changes (only) the cg2d
223      results of global_ocean.cs32x15.seaice from 16 to 11 digits (but only
224      those, caused by 1/QI -> recip_QI) -> update output.seaice.txt,
225      output_adm.seaice_dynmix.txt and also lab_sea: output_adm.evp.txt
226    o pkg/seaice :
227      - simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula
228        = 1 or 2, using newly added run time parameter SEAICE_availHeatTaper.
229      - fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148.
230      - add permanent SItflux diag that corresponds to TFLUX but includes
231        ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget.
232      - allow activation/testing of a fix for suspected missing term in
233        ocn-ice heat budget (to be confirmed). To test this, you want to
234        undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param
235        SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic.
236      - no change in results, fwd or ad.
237    o global_ocean.cs32x15/results: 3 changes following from the pkg/seaice commit below:
238      - switch to variable freezing point.
239           Results change : cg2d -> 1 digits; ad -> 3-6-6 digits.
240      - bug fix : the sublimation term that was missing is now activated.
241           Results change : cg2d -> 2 digits; ad -> 8-6-6 digits.
242      - bug fix : flooding sign term for SIsal0.NE.0.
243           Result change : cg2d -> 8 digits; ad -> 11-12-9 digits.
244    o pkg/seaice:
245      - unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT
246        is now the default, and the old default constant freezing point is recovered
247        with SEAICE_tempFrz0    = -1.96,
248             SEAICE_dTempFrz_dS = 0.,
249      - retire SEAICE_freeze (= the old way of specifycing the constant freezing point)
250      - remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there.
251      - bug fix (thanks to M. Losch) : the sublimation term that was missing is now
252        activated. To reproduce old results with this bug define SEAICE_DISABLE_SUBLIM.
253      - bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211)
254        was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail).
255      - bug fix (thanks to O. Jahn) : area loss for melting  got messed up in
256        seaice_growth r149 for legacy branch (no results change).
257      - introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code
258        from I. Fenty).
259      - results did not change except for global_ocean.cs32x15, mostly due to the
260        switch to variable freezing point (see above item for detail).
261    o pkg/thsice:
262      - fix and simplify interface to salt_plume pkg ; diagnose directly amount of
263        seawater freezing in thsice_calc_thickn (not used).
264    o pkg/seaice: turbulent flux term specification via run time params.
265      - replace CPP switches with run time switches to facilitate testing
266      - retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX,
267                       GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR
268      - added runtime parameter : SEAICEturbFluxFormula
269      - move Mcphee constants to SEAICE_PARAMS.h
270      - seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula;
271                 SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply);
272                 remove seaice_summary call (moved to seaice_init_fixed)
273      - seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on
274        SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms)
275      - seaice_summary.F : add missing report of read turbulent flux term set up
276                           and SITRACER.
277      - seaice_check.F : check range; inform and stop if retired CPPs are used
278                         (incl. SEAICE_AGE).
279      - seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without
280             CPP switch, same computation as before for the different options.
281      - change results at the truncation level.
282    o pkg/seaice:
283      - remove un-used parameters LAD & MAX_TICE ; add new run-time parameters:
284        useMaykutSatVapPoly (default=F), postSolvTempIter (default=2) and
285        SEAICE_wetAlbTemp (default=-1e-3). Remove option SEAICE_SOLVE4TEMP_LEGACY.
286      - update verification/*/input*/data.seaice:
287        to reproduce previous results with former #defined SEAICE_SOLVE4TEMP_LEGACY
288        code, set useMaykutSatVapPoly=T & postSolvTempIter=0 ;
289        and to reproduce previous results with former non-SOLVE4TEMP_LEGACY code,
290        set SEAICE_wetAlbTemp=0 & SEAICE_snowThick=0.
291    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY):
292      - remove LEGACY code for solving for tsurf (A1,A2,A3) but maintain the same
293        algorithm (same choice: useMaykutPolySatVap=T, postSolvTempIter=0);
294        difference in results only due to machine truncation.
295      - remove MAX_TICE (tsurf is always =< TMELT anyway); keep MIN_TICE if using
296        MaykutPolySatVap; keep MIN_LWDOWN.
297      - adapt SEAICE_MODIFY_GROWTH_ADJ code (untested) to non-legacy formulation.
298      - update output of verification exp. lab_sea (4 fwd: 11 cg2d digits except hb87,
299        + 3 AD: 6 digits except evp) and offline_exf_seaice.seaice (12 digits).
300    o pkg/salt_plume:
301      - isolate saltPlumeFlux array exch into a specific S/R called from
302        do_oceanic_phys.F
303      - add interface to pkg/salt_plume (filling of saltPlumeFlux) in pkg/thsice.
304    o verification:
305      - move untested set-up to MITgcm_contrib/verification_other.
306    o pkg/seaice:
307      - retire old way of SEAICE_AGE. Now replaced with ALLOW_SITRACER.
308    o pkg/seaice:
309      - seaice_solve4temp.F (keeping results unchanged):
310        * add 2 future run-time params to select which saturation vapor pressure
311          formula is used and how post-iteration fluxes are set.
312          Temporary set these 2 params according to option SOLVE4TEMP_LEGACY;
313        * New piece of code (not used) to update surf. atmos. heat flux F_ia using
314          the linearized expression to stay consistent with tsurf finding.
315      - seaice_freedrift.F avoid floating exception in sqrt(y) since y=sqrt(x*x)-x
316        can be < 0.
317    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY undef):
318      - remove from F_ia (and from it's derivative dFiDTs1) the contribution of
319        conductive heat flux F_c , and add it explicitly when updating tsurf as
320        solution of: Fc = Fia + d/dT(Fia - Fc) *delta.tsurf
321        so that now F_ia has a consistent meaning through the entire routine.
322        This causes differences at truncation level: update output of fwd exp.
323        global_ocean.cs32x15.seaice.
324    o pkg/seaice:
325      - lots of editing/cleaning in seaice_solve4temp.F + better documentation
326        of arrays, sign/direction of fluxes; no effect on results.
327      - replace hard coded 273.16 (=previous value of celsius2K) by celsius2K
328        in seaice_budget_ocean.F & seaice_solve4temp.F (SOLVE4TEMP_LEGACY part);
329        note: this should have been done before changing celsius2K default.
330      - to keep results unchanged, add back old value of celsius2K in verification
331        exp. input*/data : lab_sea (AD), offline_exf_seaice (fwd+AD) & seaice_obcs
332      - replace hard coded seawater freezing temp in seaice_solve4temp.F (part
333        SOLVE4TEMP_LEGACY) of 271.20 (=previous value of celsius2K + default
334        value of SEAICE_freeze) by celsius2K+SEAICE_freeze so that seawater
335        freezing temp is consistent with value in seaice_growth.F ; this causes
336        differences at machine truncation level: update lab_sea AD output (3/4).
337    o pkg/seaice:
338      - mask (in exf_init_fixed.F) atemp,aqh,evap,precip,runoff,lwflx,areamask
339        and climsst/sss even when using seaice (to prevent calculation that might
340        use SST on land); does not affect any verification exp.
341      - apply mask to taux,tauy (in seaice_get_dynforcing.F); update output
342        of lab_sea.fd & lab_sea.hb87 and global_ocean.cs32x15.seaice_dynmix.
343    o pkg/seaice/seaice_growth.F: add mask to avoid non-zero ice thickness
344      over land (non-legacy code)
345    o vectorize salt_plume package:
346      - add extra code to salt_plume_frac and salt_plume_tendency_apply_s
347      - this code computes plumebk everywhere (also over land), thus requires
348        code to avoid divisions by zero and catch the case of kLev=Nr.
349      - efficiency of salt_plume_frac is still sub-optimal
350    o tools (genmake2):
351      - fix makefile NAME specification (option: -makefile NAME) by adding
352        "-f $MAKEFILE" in few places where it was missing including makedepend
353        command (contribution from Paul).
354    
355    checkpoint63i (2012/01/24)
356    o model/src:
357      - add factorized versions of some EOS code to find_rho.F,
358        define USE_FACTORIZED_EOS to turn it on (default for TARGET_NEC_SX)
359    o model/src:
360      - add celsius2K to namelist PARM01; remove unused recip_rhoNil from PARAMS.h;
361      - change default celsius2K from 273.16 to 273.15
362      - to keep results unchanged, add back old value of celsius2K in verification
363        exp. input*/data : aim.5l_cs, 1D_ocean_ice_column, lab_sea (fwd),
364         global_ocean.cs32x15(seaice) & cpl_aim+ocn(input_atm).
365    o model/src: add a little initialisation trick to find_rho.F and find_alpha.F
366      to make TAF generate vectorizable code
367    o pkg/seaice/seaice_evp.F: add code (copied from CICE) that avoids underflows.
368       Turn on by defining SEAICE_EVP_ELIMINATE_UNDERFLOWS. Most compilers
369       have flags that do this more efficiently.
370    o pkg/diagnostics/diagstats_calc.F
371      - for TARGET_NEC_SX fix the treatment of the scaling factor tmpFac=scaleFact
372    o pkg/obcs (with exch2):
373      - derive OB indices in overlap region from OB-InsideMask (in obcs_init_fixed.F)
374        and remove code (in obcs_readparms.F) which was based on EXCH of indices
375        (through buffer) and did not account for exch2 (e.g., CS-grid) topology.
376    o pkg/exf and seaice exp:
377      - change offline_exf_seaice.seaicetd test exp. to use default DIFF1 value (=0)
378        so that switching off area & heff advection flags does not affect results.
379      - change default EXF_LWDOWN_WITH_EMISSIVITY to #define in EXF_OPTIONS.h
380      - keep exp. seaice_obcs & 1D_ocean_ice_column(ad) unchanged (using #undef
381        EXF_LWDOWN_WITH_EMISSIVITY) and, using pkg/exf default emissivities, update
382        results of verification experiments: 1D_ocean_ice_column(fwd),
383        global_ocean.cs32x15.seaice(fwd+ad) & seaice_dynmix(ad), lab_sea (all 8)
384        and offline_exf_seaice (all 4).
385    o pkg/seaice:
386      - remove array YNEG, RIVER, TMIX (replaced by local var) from common block;
387        remove also areaNm1 & hEffNm1 when SEAICE_GROWTH_LEGACY is undef.
388      - fix bug: areaNm1 & hEffNm1 are needed in seaice_growth (SEAICE_GROWTH_LEGACY)
389        but were not filled when resp. SEAICEadvArea=F & SEAICEadvHeff=F and
390        not multi-dim advection;
391      - fix seaice_growth.F to compile with both SEAICE_GROWTH_LEGACY and
392        SHORTWAVE_HEATING #undef.
393    o optim: make Makefile more robust (?)
394    o pkg/obcs:
395      * fix treatment of obcs_read_pickup for TAF
396    o pkg/shelfice:
397      * add missing initialisation of num_shifwflx
398      * new adjoint verification exp. for isomip
399      * change Prandtl and Schmidt numbers from generic formulations
400        (in terms of model diffus. and visc.) to separate runtime
401        parameters, with Holland and Jenkins (1999) default values.
402    o pkg/exf (interpolation):
403      - extended input field (2 rows) near the N & S poles:
404        * fill in with the symetric value (when even Nb of data in longitude)
405        * add average value at the poles only for scalar quantities ; for vector
406          component interpolation, skip the averaging and keep duplicated values,
407          unless the 2 components have same location (uvInterp=T) in which case
408          interpolate the 2 components together using S/R EXF_INTERP_UV.
409      - new S/R EXF_INTERP_UV to interpolate the 2 components of a vector field
410        together: this allows to account properly for local orientation when
411        averaging at N & S pole.
412      - add CPP option EXF_USE_OLD_INTERP_POLE to recover old results regarding
413        exf-interpolation near N & S poles. Undef by default.
414      - add debug check/print on 1rst iter if debugLevel >=2.
415    o pkg/exf:
416      - change masking flags definition (no longer "parameter"), put them in
417        common block and set them in S/R EXF_INIT_FIXED.
418      - change recognized masking flag from s,u,v to c,w,s since the mask
419        to use (maskC,W,S) depends on position on model grid and has little to
420        do with scalar/vector difference; fix masking if using P-coordinates.
421      - fix masking of wind-stress (was wrong if interpolated or read on A-grid)
422        and update results of exp. global_with_exf (x2).
423      - fix setting of zenith-angle table when SHORTWAVE_HEATING is undef.
424    o pkg/obcs
425      - S/R obcs_calc_stevens: fix a small bug (gammat -> gammas where appropriate)
426    o pkg/exf (interpolation):
427      - assume periodicity in X only if input field cover full longitude range.
428      - improve search for lat. index (supposed to be faster, in ~log2(ny) steps,
429        and should vectorise).
430      - fix input lat of the 2 added row (in case we provide N.pole data).
431    
432    checkpoint63h (2011/12/30)
433    o pkg/seaice:
434      - change declaration of UVM from _RL to _RS in order to get B-grid
435        uIce,vIce monitor when _RS = real*4
436    o pkg/offline:
437      - new S/R OFFLINE_RESET_PARMS for resetting main-model params (switch off flags);
438      - compute vertical velocity if not read from file (switch on exactConserv
439        & staggerTimeStep);
440      - fix output of ptracer monitor iter & time for default PTRACERS_monitorFreq.
441    o verification:
442      - update grid-files (in tutorial_held_suarez_cs/input and fizhi-cs-32x32x40/input)
443        with grid-angle generated using "utils/matlab/cs_grid/cubeCalcAngle.m":
444        fix Pb in yG definition @ 2 missing corners (previously yG was averaged);
445      - update output of exp. global_ocean.cs32x15.viscA4 after changing
446        grid-file angles (used here for coriolis-3d);
447      - remove (or gzip) few files not needed to run fizhi-cs experiments.
448    o pkg/exf (vector interpolation):
449      - rotate vector component toward local grid-axis orientation using grid-angles
450        (stored in GRID.h) instead of locally computed rotation angle; keep old code
451        available with exf option EXF_USE_OLD_VEC_ROTATION (undef by default).
452    o pkg/seaice:
453      - allow to compile with exf options ALLOW_ATM_TEMP or ALLOW_DOWNWARD_RADIATION
454        undefined. Fix and remove the stop when ALLOW_RUNOFF is undefined.
455    o pkg/PKG_OPTIONS.h files:
456      - move #include "CPP_OPTIONS.h" just after #include "PACKAGES_CONFIG.h",
457        outside of the #ifdef ALLOW_THISPKG / #endif block.
458      - update verification/*/code/PKG_OPTIONS.h files.
459    o add a verification experiment (offline_exf_seaice/input.seaice) that test
460      the B-grid LSOR solver
461    o pkg/seaice: sort out emissivity and long wave radiation step 2:
462      - add emissivity for snow and ice as new run-time parameters
463        (unfortunately) that default to the corresponding exf values; this
464        changes results in most verification experiments so that for backward
465        compatibility these parameter have to be set explicitly to inconsistent
466        values (ugly);
467      - the exf-flag EXF_LWDOWN_WITH_EMISSIVITY then gets rid off the hard-wired
468        emissivities of 0.97 associated with lwdownloc in S/R seaice_solve4temp
469        until we agree how to handle this bug properly
470  o pkg/exf (interpolation):  o pkg/exf (interpolation):
471    - add a set of run-time param ({inputfield}_interpMethod), one for    - add a set of run-time param ({inputfield}_interpMethod), one for
472      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 474  o pkg/exf (interpolation):
474    - print interpolation parameters to standard output;    - print interpolation parameters to standard output;
475    - 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
476      (to use instead runoff_interpMethod=0 in data.exf).      (to use instead runoff_interpMethod=0 in data.exf).
477      - simplify default setting of interpolation parameters (for all fields,
478        set position to match model grid cell-center position, leading to trivial
479        interpolation in case of regular Lat-Lon grid) and fix for the case of
480        non-uniform delY.
481  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
482     within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.     within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.
483     this factor is absolutely required, because the lw exitance (= out-going     this factor is absolutely required, because the lw exitance (= out-going
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