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revision 1.1571 by mlosch, Fri Jan 6 09:40:35 2012 UTC revision 1.1657 by jmc, Fri Apr 27 16:33:12 2012 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint63m (2012/04/27)
8    o pkg/shelfice:
9     - account for partical cells in surface level below ice-shelf for hydrostatic
10       pressure calculion (set uniformFreeSurfLev to F); update isomip experiments.
11    o ad test experiments:
12     - update and rename to "ad_optfile.local" local AD-optfile specific to a
13       particular adjoint verification experiment (in verification/*/code_ad/)
14    o pkg/seaice & pkg/exf:
15     - Part two of ECCO-CLIVAR code merges.
16       Completes merge of seaice area relax. code.
17       Requires unified CPP option EXF_ALLOW_SEAICE_RELAX
18       to be set in EXF_OPTIONS.h since this pkg controls its I/O
19       (and avoids second CPP option in SEAICE_OPTIONS.h)
20     - change default value of costIceStart & costIceEnd to a valid date.
21     - add snowPrecip to HSNOW in seaice_growth
22    o pkg/ptracers:
23     - move ptracers summary and setup check into separated S/R ; add a check for
24       valid PTRACERS_Iter0 value (error+stop or just warning).
25    o pkg/cal (+ pkg/ecco):
26     - avoid calling a S/R with 2 times the same arg (FWD: unless both are only used
27       as input; and for AD, unless both are not differentiable (e.g., k index)).
28    o model/src:
29     - define internal flag "uniformFreeSurfLev" (=T when free-surface level-index
30       is everywhere k=1) to speed-up some calculations (by pass kSurf reference);
31       temporary set to usingZCoords value (to be changed to F when using shelfice).
32     - hydrostatic pressure: implement partial cell near the surface also for
33       Z-coordinates (for the case where uniformFreeSurfLev=F); replace test on
34       usingZCoords with test on uniformFreeSurfLev where needed (in NonHyd code).
35    o pkg/ctrl/ctrl_init.F:
36     - add a formal parameter to s/r ctrl_init_rec to print
37       xx_$(ctrl_valiable)_file for easier debugging
38     - move call of cal_* routines into the if-block where they are really
39       needed so that xx_$(ctrl_variable)_period can be 0 or -12 without having
40       to specify a startdate
41    o pkg/seaice:
42     - update comments in SEAICE_OPTIONS.h (+ similar update of lab_sea/code and
43       global_ocean.cs32x15/code versions).
44     - turn on seaice Multi-category (in data.seaice, SEAICE_multDim=7) for
45       verification experiment global_ocean.cs32x15.seaice and update results.
46    o pkg/exf:
47     - new S/R EXF_GETFIELD_START to return starting-time of a forcing field
48       (according to useExfYearlyFields).
49    o pkg/cal:
50     - move calendar setting & summary (previously in cal_readparams.F) into new
51       S/R CAL_INIT_FIXED to be called later in the initialisation process, once
52       length of the simulation is set (after SET_PARMS call); This is an attempt
53       to fix Pb when, e.g.: pkg/longstep, modifies the length of the run.
54     - For safety: keep a record of pkg/cal parameter settings status
55               to allow to STOP if one pkg/cal S/R is called too early.
56     - add a stop in all basic pkg/cal subroutines if called before setting is done.
57     - modify cal_getdate.F: stop when nothing was returned;
58       if called with myIter=-1, simply retrun modelBaseDate (1,2 = startDate_1,_2);
59       this allows to remove "cal.h" from seaice_read_parms.F & init_mnc_vars.F.
60    
61    checkpoint63l (2012/04/04)
62    o pkg/bbl:
63      - fix call to FIND_RHO_2D in bbl_calc_rho.F (case multi-tiles per proc);
64        update global_with_exf output.yearly.txt file.
65    o pkg/cal:
66      - start to clean-up cal_set.F ; fix for the case where baseTime is non-zero.
67      - remove 2 unsused and very short (1 line only) functions ;
68      - remove unsused subroutines from AD-Diff list.
69    o model/src:
70      - start to implement clean wait to stop in initialization S/R (config_check.F,
71         packages_check.F, ini_parms.F and pkg/obcs/obcs_check.F + pkg/mypackage)
72    o folowing PRINT_MESSAGE changes:
73      - remove reminder multiple print to the same file (STDOUT) when multi-threads.
74    o pkg/bbl:
75      - modification so it can work with z*
76      - replace deltaT with dTtracerLev(k) for asynchronous time stepping
77      - global_with_exf/input.yearly verification; changes output.yearly.txt
78    o eesupp/src:
79      - PRINT_MESSAGE: use OpenMP critical instruction (similar to PRINT_ERROR);
80        writing to unit 0 (if unit=errorMessageUnit) extended to the case myThid=1
81      - CHECK_THREADS: specific code if using OpenMP threading: improve checking of
82        # of threads across processors (e.g., different env OMP_NUM_THREADS setting)
83      - improve special preliminary call to EESET_PARMS (if eedata is read 2 times).
84      - when using MPI, always set usingMPI=T ; set default accordingly and stop
85        if not consistent.
86      - ALL_PROC_DIE: add a BARRIER after MPI_FINALIZE call ; skip this when thread
87        argument is zero (in case called within single-thread section).
88    o pkg/fizhi:
89        clean-up turbulence cold-start switch: decided in fizhi_init_vars.F, stored
90        in common bloc (fizhi_coms.h) and then passed as argument up to S/R TURBIO.
91    o pkg/exch2:
92      - add argument "updateCorners" to S/R exch2_get_uv_bounds (enable to
93        activate EXCH_IGNORE_CORNERS in vector EXCH S/R).
94      - switch 1rst EXCH call to IGNORE_CORNERS (instead of UPDATE_CORNERS)
95        but keep the 2nd with UPDATE_CORNERS: this prevents overwriting good data
96        with bad ones coming from a not-yet-updated halo.
97        This should fix the problem when sNx <> sNy and GCD(sNx,sNy) < 2*Olx.
98    o pkg/frazil:
99        move FrzForcT diag from frazil_diagnostics_state.F to frazil_calc_rhs.F
100        http://mitgcm.org/pipermail/mitgcm-devel/2012-March/005384.html
101    o model/src/config_check.F: add a check for OLx>sNx/OLy>sNy
102    o verification/lab_sea
103      * #undef SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING
104      * #define ALLOW_SST_CONTROL & ALLOW_SST_CONTROL
105      * nTimeSteps 3 -> 4
106      * changed reference output accordingly
107    o pkg/ctrl:
108      * fix ctrl_get_gen for xx_sst, xx_sss
109    o pkg/fizhi:
110      - fix 2 calls to S/R GRD2MSC (argument igrd) in update_earth_exports.F
111        update results of exp. fizhi-cs-32x32x40 (fail with only 6 digits for cg2d)
112      - by default, use new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE);
113        fix few out-of-bounds indices in referencing vars (initialise igrd to 1);
114        clean-up fizhi_turb.F (remove unused & uninitialised qdiaglsm array).
115    o pkg/gmredi:
116      - add diagnostic of Redi (main diagnonal) vertical diffusive flux of Temp
117    o pkg/fizhi:
118      - fix few initialisation and multi-tile Pb: aqualev & gridalt now pass the
119        (old)aces open64 tuv test.
120    o pkg/icefront: fix bug and reorder loop in icefront_init_varia.F
121    o pkg/mom_vecinv:
122      - fix 1 loop range in mom_vecinv.F to be like all the other loops which
123        set/update gu,gv/Diss (fix Pb of uninitialised fVerUkp in admom_vecinv
124        with non-lin free-surf).
125    o model/src: move k-loop outside of i/j-loops when (re-)computing R_low
126      in ini/update_masks_etc.F in order to avoid -O3 optimization problems with
127      some compilers (gfortran 4.6.0 on MacOS)
128    o momentum:
129      - separate fVer?(:,:,kUp) & fVer?(:,:,kDown) in argument list of MOM_FLUXFORM
130        & MOM_VECINV subroutines (to help TAF). This fixes Pb of uninitialised
131        fVer?(kUp) in admom_fluxform with non-lin free-surf or bottom control.
132    
133    checkpoint63k (2012/03/17)
134    o model/src:
135       - selectAddFluid (ALLOW_ADDFLUID): add missing term in horizontal momentum
136         flux-form (mom_fluxform.F) and vertical momentum (calc_gw.F) equations.
137       - SOLVE_DIAGONAL: switch default to use adjoinable & vectorized version
138         (#undef SOLVE_DIAGONAL_LOWMEMORY); update output of exp. front_relax.bvp.
139    o model/src: solve_*diagonal.F
140       - replace division with multiplication by inverse (similar to original version)
141         update output of AD exp. global_ocean.90x40x15.
142       - fix pkg/gmredi/gmredi_calc_psi_bvp.F & pkg/ggl90/ggl90_calc.F
143         to enable the use of the vectorized & differentiable solve_tridiagonal.F
144       - test exp. global_ocean.90x40x15/input_ad: switch to advection scheme 20 for
145         vertical advection (to get solve_tridiagonal tested in AD mode).
146    o pkg/seaice: ECCO-CLIVAR merge:
147      1. seaice AREA relaxation
148         * CPP option: SEAICE_ALLOW_AREA_RELAXATION
149         * runtime flag: SEAICE_tauAreaObsRelax
150      2. modified global mean cost imbalance code: CPP option
151          ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION
152    o another iteration on solve_*diagonal.F
153       Make choices independent of AUTODIFF
154       Default will be the adjoinable vectorized version.
155       Alternative choices are:
156       * non-adjoinable original version with low memory footprint:
157         #define SOLVE_DIAGONAL_LOWMEMORY
158       * still adjoinable but does not vectorize (k as inner-most loop):
159         #define SOLVE_DIAGONAL_KINNER (keeping SOLVE_DIAGONAL_LOWMEMORY undef)
160    o testreport
161     - add option to use a home made wrapper around "make"
162     - remove MITGCM_IEEE env. variable (no longer active)
163    o pkg/shelfice
164     - improve computation of friction velocity for velocity dependent
165       exchange coefficients: include velocities into SHELFICEBoundaryLayer
166       block to average velocities vertically
167     - add TAF store directives for SHI_ALLOW_GAMMAFRICT
168    o Modify diagonal solvers, now three versions (upon request):
169      #ifndef SOLVE_DIAGONAL_AUTODIFF
170        1. default version (dating back a while ago)
171      #else /* def SOLVE_DIAGONAL_AUTODIFF */
172      # ifdef SOLVE_DIAGONAL_KINNER
173        2. adjoinable version with k-innermost loop (G. Forget)
174      # else
175        3. adjoinable vectorized version of 2.
176      # endif
177      #endif /* SOLVE_DIAGONAL_AUTODIFF */
178      All flags are currently set within routines, but could/should be moved to CPP-options.
179      Array bounds for 1. are as before, for 2.,3. cover the entire domain
180      (could be changed for 1. too).
181    o verification/lab_sea (fwd):
182      - update the 4 fwd lab_sea test experiment: no longer SEAICE_GROWTH_LEGACY,
183        use 7 categories (except hb87), new solve4temp params (except salt_plume),
184        constant salinity (=4) or variable salinity (salt_plume) done through
185        SItracer.
186    o pkg/seaice:
187      - rename parameters: SIsalFrac to SEAICE_saltFrac & SIsal0 to SEAICE_salt0;
188      - remove old parameters ( SEAICE_freeze, SEAICEturbFluxFormula, SEAICE_gamma_t,
189         SEAICE_gamma_t_frz, SEAICE_availHeatTaper & SEAICE_availHeatFracFrz)
190        from SEAICE_PARMS.h ; still need to fix seaice_cost_sst.F (broken when
191        SEAICE_freeze got retired) but already better than previously with
192        SEAICE_freeze=123456.7 deg.C;
193      - move setting of facOpenGrow/Melt from SEAICE_INIT_FIXED to SEAICE_READPARMS
194        (safer multi-threaded setting); always set SEAICEuseEVP;
195      - setting of ocean-ice turb. flux coeff: moved from SEAICE_CHECK to
196        SEAICE_READPARMS & SEAICE_INIT_FIXED (this fixes wrong summary report);
197        stop if multiple specifications for the same coeff; make sure default
198        SEAICE_mcPheePiston is compatible with drF(1) & deltaT.
199    o pkg/obcs:
200      - allow to switch to upwind 1rst order advection scheme for the advective
201        flux computation at the open-boundary; disabled for adjoint built.
202    o pkg/ptracers:
203      - rename PTRACERS_RESTART.h -> PTRACERS_START.h
204      - rename ptracers_fields_blocking_exchanges.F -> ptracers_fields_blocking_exch.F
205      - add parameter to decide when to start a tracer; use internal flag to
206        know which tracer to step-forward; switch this internal flag at the top
207        of forward_step.F (new S/R PTRACERS_SWITCH_ONOFF); for now, not enabled
208        for adjoint built.
209    o pkg/seaice:
210      - add SEAICE_SIZE.h anywhere in the code where SEAICE.h is included ;
211      - move MULTDIM declaration and setting from SEAICE.h to SEAICE_SIZE.h ;
212      - keep experiment offline_exf_seaice truly single category (set MULTDIM=1).
213    o pkg/ecco:
214      - fix writing of output file DiagnosCost_ClimSalt/Theta
215        and DiagnosCost_DriftSalt/Theta (if multi-tiles per proc).
216    o pkg/seaice:
217      - add missing initialisation of COR_ICE array in dynsolver.F
218      - merging SEAICE_MULTICATEGORY define and undef cases. Now the same code is
219        compiled either way, and is tested in all exps (multidim was only tested
220        in lab_sea ad before).
221      - cosmetic change to prepare for future addition of ITD. no change to results.
222        no defaults change.
223      - added run time param SEAICE_multDim (7 for SEAICE_MULTICATEGORY, 1 otherwise).
224      - by lack of adequate verification experiments, I further used custom versions
225        of global_ocean.cs32x15 to test multicat or not, with pickup or not. All
226        should be correct.
227      - avoid recomputations in ad.
228    o array initialisation in adjoint mode:
229      1) pkg/mom_common/mom_calc_ke.F:
230        add full array initialisation of KE inside mom_calc_ke.F (ALLOW_AUTODIFF_TAMC):
231        The S/R which calls MOM_CALC_KE initialises KE but in some recomputation
232        part this initialisation is gone, resulting in Floating Point Exception
233        (caught by open64 compiler with debug option).
234      2) model/src/convective_weights.F
235        set output convectCount over the full array range (instead of doing
236        an update): this fix a similar issue when called within recomputation (adjoint)
237        which could by-pass the initialisation (normally done in the caller S/R).
238    o pkg/seaice:
239      - final version of turbulent flux params, as agreed at MIT ice meet:
240           SEAICE_mcPheePiston (default is ~ 0.000875)
241           SEAICE_mcPheeTaper (default is 0.)
242           SEAICE_frazilFrac (defualt is 1.)
243           SEAICE_mcPheeStepFunc (default is false)
244      - changes results at trunction error level
245      - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo
246    o added pkg/frazil:
247      - see frazil_description.tex for details
248      - verification experiment is global_with_exf/input.yearly; changes output.yearly.txt
249    o pkg/shelfice/shelfice_thermodynamics.F
250      - fix exponents for velocity dependent exchange coefficients: change
251        from 2/3(=0) to 0.66666666666666667
252      - move computation of velocity dependent exchange coefficients into
253        separate loop, so that it applies to both thermodynamics
254      - move some divisions by constants out of loops
255    
256    checkpoint63j (2012/02/16)
257    o pkg/seaice:
258      - overhaul of seaice_summary.F after feb 2012 clean-up of seaice_growth.F etc.
259      - SItracer:  added run time params, and allow coupling to ocn salinity.
260    o pkg/seaice: remove (almost) all divisions by constants within loops
261      in seaice_growth.F and seaice_solve4temp.F, this changes (only) the cg2d
262      results of global_ocean.cs32x15.seaice from 16 to 11 digits (but only
263      those, caused by 1/QI -> recip_QI) -> update output.seaice.txt,
264      output_adm.seaice_dynmix.txt and also lab_sea: output_adm.evp.txt
265    o pkg/seaice :
266      - simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula
267        = 1 or 2, using newly added run time parameter SEAICE_availHeatTaper.
268      - fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148.
269      - add permanent SItflux diag that corresponds to TFLUX but includes
270        ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget.
271      - allow activation/testing of a fix for suspected missing term in
272        ocn-ice heat budget (to be confirmed). To test this, you want to
273        undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param
274        SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic.
275      - no change in results, fwd or ad.
276    o global_ocean.cs32x15/results: 3 changes following from the pkg/seaice commit below:
277      - switch to variable freezing point.
278           Results change : cg2d -> 1 digits; ad -> 3-6-6 digits.
279      - bug fix : the sublimation term that was missing is now activated.
280           Results change : cg2d -> 2 digits; ad -> 8-6-6 digits.
281      - bug fix : flooding sign term for SIsal0.NE.0.
282           Result change : cg2d -> 8 digits; ad -> 11-12-9 digits.
283    o pkg/seaice:
284      - unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT
285        is now the default, and the old default constant freezing point is recovered
286        with SEAICE_tempFrz0    = -1.96,
287             SEAICE_dTempFrz_dS = 0.,
288      - retire SEAICE_freeze (= the old way of specifycing the constant freezing point)
289      - remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there.
290      - bug fix (thanks to M. Losch) : the sublimation term that was missing is now
291        activated. To reproduce old results with this bug define SEAICE_DISABLE_SUBLIM.
292      - bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211)
293        was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail).
294      - bug fix (thanks to O. Jahn) : area loss for melting  got messed up in
295        seaice_growth r149 for legacy branch (no results change).
296      - introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code
297        from I. Fenty).
298      - results did not change except for global_ocean.cs32x15, mostly due to the
299        switch to variable freezing point (see above item for detail).
300    o pkg/thsice:
301      - fix and simplify interface to salt_plume pkg ; diagnose directly amount of
302        seawater freezing in thsice_calc_thickn (not used).
303    o pkg/seaice: turbulent flux term specification via run time params.
304      - replace CPP switches with run time switches to facilitate testing
305      - retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX,
306                       GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR
307      - added runtime parameter : SEAICEturbFluxFormula
308      - move Mcphee constants to SEAICE_PARAMS.h
309      - seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula;
310                 SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply);
311                 remove seaice_summary call (moved to seaice_init_fixed)
312      - seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on
313        SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms)
314      - seaice_summary.F : add missing report of read turbulent flux term set up
315                           and SITRACER.
316      - seaice_check.F : check range; inform and stop if retired CPPs are used
317                         (incl. SEAICE_AGE).
318      - seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without
319             CPP switch, same computation as before for the different options.
320      - change results at the truncation level.
321    o pkg/seaice:
322      - remove un-used parameters LAD & MAX_TICE ; add new run-time parameters:
323        useMaykutSatVapPoly (default=F), postSolvTempIter (default=2) and
324        SEAICE_wetAlbTemp (default=-1e-3). Remove option SEAICE_SOLVE4TEMP_LEGACY.
325      - update verification/*/input*/data.seaice:
326        to reproduce previous results with former #defined SEAICE_SOLVE4TEMP_LEGACY
327        code, set useMaykutSatVapPoly=T & postSolvTempIter=0 ;
328        and to reproduce previous results with former non-SOLVE4TEMP_LEGACY code,
329        set SEAICE_wetAlbTemp=0 & SEAICE_snowThick=0.
330    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY):
331      - remove LEGACY code for solving for tsurf (A1,A2,A3) but maintain the same
332        algorithm (same choice: useMaykutPolySatVap=T, postSolvTempIter=0);
333        difference in results only due to machine truncation.
334      - remove MAX_TICE (tsurf is always =< TMELT anyway); keep MIN_TICE if using
335        MaykutPolySatVap; keep MIN_LWDOWN.
336      - adapt SEAICE_MODIFY_GROWTH_ADJ code (untested) to non-legacy formulation.
337      - update output of verification exp. lab_sea (4 fwd: 11 cg2d digits except hb87,
338        + 3 AD: 6 digits except evp) and offline_exf_seaice.seaice (12 digits).
339    o pkg/salt_plume:
340      - isolate saltPlumeFlux array exch into a specific S/R called from
341        do_oceanic_phys.F
342      - add interface to pkg/salt_plume (filling of saltPlumeFlux) in pkg/thsice.
343    o verification:
344      - move untested set-up to MITgcm_contrib/verification_other.
345    o pkg/seaice:
346      - retire old way of SEAICE_AGE. Now replaced with ALLOW_SITRACER.
347    o pkg/seaice:
348      - seaice_solve4temp.F (keeping results unchanged):
349        * add 2 future run-time params to select which saturation vapor pressure
350          formula is used and how post-iteration fluxes are set.
351          Temporary set these 2 params according to option SOLVE4TEMP_LEGACY;
352        * New piece of code (not used) to update surf. atmos. heat flux F_ia using
353          the linearized expression to stay consistent with tsurf finding.
354      - seaice_freedrift.F avoid floating exception in sqrt(y) since y=sqrt(x*x)-x
355        can be < 0.
356    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY undef):
357      - remove from F_ia (and from it's derivative dFiDTs1) the contribution of
358        conductive heat flux F_c , and add it explicitly when updating tsurf as
359        solution of: Fc = Fia + d/dT(Fia - Fc) *delta.tsurf
360        so that now F_ia has a consistent meaning through the entire routine.
361        This causes differences at truncation level: update output of fwd exp.
362        global_ocean.cs32x15.seaice.
363    o pkg/seaice:
364      - lots of editing/cleaning in seaice_solve4temp.F + better documentation
365        of arrays, sign/direction of fluxes; no effect on results.
366      - replace hard coded 273.16 (=previous value of celsius2K) by celsius2K
367        in seaice_budget_ocean.F & seaice_solve4temp.F (SOLVE4TEMP_LEGACY part);
368        note: this should have been done before changing celsius2K default.
369      - to keep results unchanged, add back old value of celsius2K in verification
370        exp. input*/data : lab_sea (AD), offline_exf_seaice (fwd+AD) & seaice_obcs
371      - replace hard coded seawater freezing temp in seaice_solve4temp.F (part
372        SOLVE4TEMP_LEGACY) of 271.20 (=previous value of celsius2K + default
373        value of SEAICE_freeze) by celsius2K+SEAICE_freeze so that seawater
374        freezing temp is consistent with value in seaice_growth.F ; this causes
375        differences at machine truncation level: update lab_sea AD output (3/4).
376    o pkg/seaice:
377      - mask (in exf_init_fixed.F) atemp,aqh,evap,precip,runoff,lwflx,areamask
378        and climsst/sss even when using seaice (to prevent calculation that might
379        use SST on land); does not affect any verification exp.
380      - apply mask to taux,tauy (in seaice_get_dynforcing.F); update output
381        of lab_sea.fd & lab_sea.hb87 and global_ocean.cs32x15.seaice_dynmix.
382    o pkg/seaice/seaice_growth.F: add mask to avoid non-zero ice thickness
383      over land (non-legacy code)
384    o vectorize salt_plume package:
385      - add extra code to salt_plume_frac and salt_plume_tendency_apply_s
386      - this code computes plumebk everywhere (also over land), thus requires
387        code to avoid divisions by zero and catch the case of kLev=Nr.
388      - efficiency of salt_plume_frac is still sub-optimal
389    o tools (genmake2):
390      - fix makefile NAME specification (option: -makefile NAME) by adding
391        "-f $MAKEFILE" in few places where it was missing including makedepend
392        command (contribution from Paul).
393    
394    checkpoint63i (2012/01/24)
395    o model/src:
396      - add factorized versions of some EOS code to find_rho.F,
397        define USE_FACTORIZED_EOS to turn it on (default for TARGET_NEC_SX)
398    o model/src:
399      - add celsius2K to namelist PARM01; remove unused recip_rhoNil from PARAMS.h;
400      - change default celsius2K from 273.16 to 273.15
401      - to keep results unchanged, add back old value of celsius2K in verification
402        exp. input*/data : aim.5l_cs, 1D_ocean_ice_column, lab_sea (fwd),
403         global_ocean.cs32x15(seaice) & cpl_aim+ocn(input_atm).
404    o model/src: add a little initialisation trick to find_rho.F and find_alpha.F
405      to make TAF generate vectorizable code
406    o pkg/seaice/seaice_evp.F: add code (copied from CICE) that avoids underflows.
407       Turn on by defining SEAICE_EVP_ELIMINATE_UNDERFLOWS. Most compilers
408       have flags that do this more efficiently.
409    o pkg/diagnostics/diagstats_calc.F
410      - for TARGET_NEC_SX fix the treatment of the scaling factor tmpFac=scaleFact
411    o pkg/obcs (with exch2):
412      - derive OB indices in overlap region from OB-InsideMask (in obcs_init_fixed.F)
413        and remove code (in obcs_readparms.F) which was based on EXCH of indices
414        (through buffer) and did not account for exch2 (e.g., CS-grid) topology.
415    o pkg/exf and seaice exp:
416      - change offline_exf_seaice.seaicetd test exp. to use default DIFF1 value (=0)
417        so that switching off area & heff advection flags does not affect results.
418      - change default EXF_LWDOWN_WITH_EMISSIVITY to #define in EXF_OPTIONS.h
419      - keep exp. seaice_obcs & 1D_ocean_ice_column(ad) unchanged (using #undef
420        EXF_LWDOWN_WITH_EMISSIVITY) and, using pkg/exf default emissivities, update
421        results of verification experiments: 1D_ocean_ice_column(fwd),
422        global_ocean.cs32x15.seaice(fwd+ad) & seaice_dynmix(ad), lab_sea (all 8)
423        and offline_exf_seaice (all 4).
424    o pkg/seaice:
425      - remove array YNEG, RIVER, TMIX (replaced by local var) from common block;
426        remove also areaNm1 & hEffNm1 when SEAICE_GROWTH_LEGACY is undef.
427      - fix bug: areaNm1 & hEffNm1 are needed in seaice_growth (SEAICE_GROWTH_LEGACY)
428        but were not filled when resp. SEAICEadvArea=F & SEAICEadvHeff=F and
429        not multi-dim advection;
430      - fix seaice_growth.F to compile with both SEAICE_GROWTH_LEGACY and
431        SHORTWAVE_HEATING #undef.
432  o optim: make Makefile more robust (?)  o optim: make Makefile more robust (?)
433  o pkg/shelfice: add missing initialisation of num_shifwflx  o pkg/obcs:
434      * fix treatment of obcs_read_pickup for TAF
435    o pkg/shelfice:
436      * add missing initialisation of num_shifwflx
437      * new adjoint verification exp. for isomip
438      * change Prandtl and Schmidt numbers from generic formulations
439        (in terms of model diffus. and visc.) to separate runtime
440        parameters, with Holland and Jenkins (1999) default values.
441  o pkg/exf (interpolation):  o pkg/exf (interpolation):
442    - extended input field (2 rows) near the N & S poles:    - extended input field (2 rows) near the N & S poles:
443      * fill in with the symetric value (when even Nb of data in longitude)      * fill in with the symetric value (when even Nb of data in longitude)
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