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revision 1.1583 by mlosch, Mon Jan 30 11:19:33 2012 UTC revision 1.1665 by jmc, Thu Jun 7 17:17:04 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 vectorize salt_plume package:  o pkg/diagnostics:
8      - implement calendarDumps also for stats-diags
9      - implement calendarDumps also for snap-shot output (negative freq)
10      - for now, ignores calendarDumps if non-zero phase-lag.
11    
12    checkpoint63n (2012/06/04)
13    o model/src:
14      - recompute rSurfW & S to ensure consistent column thickness (needed for rStar)
15        between Sum_k(hFac*drF) and rSurf-rLow, for now only when using pkg/shelfice;
16      - use h0FacC, W & S to compute hFac_surfC, W & S in calc_surf_dr.F (more
17        similar to calc_r_star.F); update results of experiment internal_wave and
18        tutorial_global_oce_in_p (affected @ truncation level).
19    o pkg/shelfice:
20      - add parameterisation of advective-diffusive flux into the ice shelf
21        according to Holland and Jenkins (1999), eq.22-33, as suggested by Jan De Ryd
22      - simply eps3/3a computation
23    o eesupp:
24     - add new CPP option (DISCONNECTED_TILES) to disconnect tiles (no exchange
25       between tiles, just fill-in edges assuming locally periodic subdomain) and
26       add corresponding exchange subroutines (EXCH0);
27     - new CG-solver version (_EX0) for disconnected-tiles special case.
28    o model/src (CG-solvers):
29     - modify Single-Reduction version (CG2D_SR) in case cg2dMaxIters is reached
30       (similar final residual output and max-Iter number as with standard version);
31     - allows to store and use lowest-residual solution (standard & _SR versions);
32     - cleaning up (remove old, commented out code, LETS_MAKE_JAM ...).
33     - by default, also compile CG2D_SR version (define ALLOW_SRCG in CPP_OPTIONS.h)
34    o eesup/src:
35     - global_vec_sum.F cleaning: add a BARRIER ; update comments ; remove ndef
36       ALWAYS_USE_MPI (no longer needed after fixing usingMPI settings - March 2012)
37    o pkg/salt_plume added to lab_sea/input_ad.noseaicedyn
38    
39    checkpoint63m (2012/04/27)
40    o pkg/shelfice:
41     - account for partical cells in surface level below ice-shelf for hydrostatic
42       pressure calculion (set uniformFreeSurfLev to F); update isomip experiments.
43    o ad test experiments:
44     - update and rename to "ad_optfile.local" local AD-optfile specific to a
45       particular adjoint verification experiment (in verification/*/code_ad/)
46    o pkg/seaice & pkg/exf:
47     - Part two of ECCO-CLIVAR code merges.
48       Completes merge of seaice area relax. code.
49       Requires unified CPP option EXF_ALLOW_SEAICE_RELAX
50       to be set in EXF_OPTIONS.h since this pkg controls its I/O
51       (and avoids second CPP option in SEAICE_OPTIONS.h)
52     - change default value of costIceStart & costIceEnd to a valid date.
53     - add snowPrecip to HSNOW in seaice_growth
54    o pkg/ptracers:
55     - move ptracers summary and setup check into separated S/R ; add a check for
56       valid PTRACERS_Iter0 value (error+stop or just warning).
57    o pkg/cal (+ pkg/ecco):
58     - avoid calling a S/R with 2 times the same arg (FWD: unless both are only used
59       as input; and for AD, unless both are not differentiable (e.g., k index)).
60    o model/src:
61     - define internal flag "uniformFreeSurfLev" (=T when free-surface level-index
62       is everywhere k=1) to speed-up some calculations (by pass kSurf reference);
63       temporary set to usingZCoords value (to be changed to F when using shelfice).
64     - hydrostatic pressure: implement partial cell near the surface also for
65       Z-coordinates (for the case where uniformFreeSurfLev=F); replace test on
66       usingZCoords with test on uniformFreeSurfLev where needed (in NonHyd code).
67    o pkg/ctrl/ctrl_init.F:
68     - add a formal parameter to s/r ctrl_init_rec to print
69       xx_$(ctrl_valiable)_file for easier debugging
70     - move call of cal_* routines into the if-block where they are really
71       needed so that xx_$(ctrl_variable)_period can be 0 or -12 without having
72       to specify a startdate
73    o pkg/seaice:
74     - update comments in SEAICE_OPTIONS.h (+ similar update of lab_sea/code and
75       global_ocean.cs32x15/code versions).
76     - turn on seaice Multi-category (in data.seaice, SEAICE_multDim=7) for
77       verification experiment global_ocean.cs32x15.seaice and update results.
78    o pkg/exf:
79     - new S/R EXF_GETFIELD_START to return starting-time of a forcing field
80       (according to useExfYearlyFields).
81    o pkg/cal:
82     - move calendar setting & summary (previously in cal_readparams.F) into new
83       S/R CAL_INIT_FIXED to be called later in the initialisation process, once
84       length of the simulation is set (after SET_PARMS call); This is an attempt
85       to fix Pb when, e.g.: pkg/longstep, modifies the length of the run.
86     - For safety: keep a record of pkg/cal parameter settings status
87               to allow to STOP if one pkg/cal S/R is called too early.
88     - add a stop in all basic pkg/cal subroutines if called before setting is done.
89     - modify cal_getdate.F: stop when nothing was returned;
90       if called with myIter=-1, simply retrun modelBaseDate (1,2 = startDate_1,_2);
91       this allows to remove "cal.h" from seaice_read_parms.F & init_mnc_vars.F.
92    
93    checkpoint63l (2012/04/04)
94    o pkg/bbl:
95      - fix call to FIND_RHO_2D in bbl_calc_rho.F (case multi-tiles per proc);
96        update global_with_exf output.yearly.txt file.
97    o pkg/cal:
98      - start to clean-up cal_set.F ; fix for the case where baseTime is non-zero.
99      - remove 2 unsused and very short (1 line only) functions ;
100      - remove unsused subroutines from AD-Diff list.
101    o model/src:
102      - start to implement clean wait to stop in initialization S/R (config_check.F,
103         packages_check.F, ini_parms.F and pkg/obcs/obcs_check.F + pkg/mypackage)
104    o folowing PRINT_MESSAGE changes:
105      - remove reminder multiple print to the same file (STDOUT) when multi-threads.
106    o pkg/bbl:
107      - modification so it can work with z*
108      - replace deltaT with dTtracerLev(k) for asynchronous time stepping
109      - global_with_exf/input.yearly verification; changes output.yearly.txt
110    o eesupp/src:
111      - PRINT_MESSAGE: use OpenMP critical instruction (similar to PRINT_ERROR);
112        writing to unit 0 (if unit=errorMessageUnit) extended to the case myThid=1
113      - CHECK_THREADS: specific code if using OpenMP threading: improve checking of
114        # of threads across processors (e.g., different env OMP_NUM_THREADS setting)
115      - improve special preliminary call to EESET_PARMS (if eedata is read 2 times).
116      - when using MPI, always set usingMPI=T ; set default accordingly and stop
117        if not consistent.
118      - ALL_PROC_DIE: add a BARRIER after MPI_FINALIZE call ; skip this when thread
119        argument is zero (in case called within single-thread section).
120    o pkg/fizhi:
121        clean-up turbulence cold-start switch: decided in fizhi_init_vars.F, stored
122        in common bloc (fizhi_coms.h) and then passed as argument up to S/R TURBIO.
123    o pkg/exch2:
124      - add argument "updateCorners" to S/R exch2_get_uv_bounds (enable to
125        activate EXCH_IGNORE_CORNERS in vector EXCH S/R).
126      - switch 1rst EXCH call to IGNORE_CORNERS (instead of UPDATE_CORNERS)
127        but keep the 2nd with UPDATE_CORNERS: this prevents overwriting good data
128        with bad ones coming from a not-yet-updated halo.
129        This should fix the problem when sNx <> sNy and GCD(sNx,sNy) < 2*Olx.
130    o pkg/frazil:
131        move FrzForcT diag from frazil_diagnostics_state.F to frazil_calc_rhs.F
132        http://mitgcm.org/pipermail/mitgcm-devel/2012-March/005384.html
133    o model/src/config_check.F: add a check for OLx>sNx/OLy>sNy
134    o verification/lab_sea
135      * #undef SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING
136      * #define ALLOW_SST_CONTROL & ALLOW_SST_CONTROL
137      * nTimeSteps 3 -> 4
138      * changed reference output accordingly
139    o pkg/ctrl:
140      * fix ctrl_get_gen for xx_sst, xx_sss
141    o pkg/fizhi:
142      - fix 2 calls to S/R GRD2MSC (argument igrd) in update_earth_exports.F
143        update results of exp. fizhi-cs-32x32x40 (fail with only 6 digits for cg2d)
144      - by default, use new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE);
145        fix few out-of-bounds indices in referencing vars (initialise igrd to 1);
146        clean-up fizhi_turb.F (remove unused & uninitialised qdiaglsm array).
147    o pkg/gmredi:
148      - add diagnostic of Redi (main diagnonal) vertical diffusive flux of Temp
149    o pkg/fizhi:
150      - fix few initialisation and multi-tile Pb: aqualev & gridalt now pass the
151        (old)aces open64 tuv test.
152    o pkg/icefront: fix bug and reorder loop in icefront_init_varia.F
153    o pkg/mom_vecinv:
154      - fix 1 loop range in mom_vecinv.F to be like all the other loops which
155        set/update gu,gv/Diss (fix Pb of uninitialised fVerUkp in admom_vecinv
156        with non-lin free-surf).
157    o model/src: move k-loop outside of i/j-loops when (re-)computing R_low
158      in ini/update_masks_etc.F in order to avoid -O3 optimization problems with
159      some compilers (gfortran 4.6.0 on MacOS)
160    o momentum:
161      - separate fVer?(:,:,kUp) & fVer?(:,:,kDown) in argument list of MOM_FLUXFORM
162        & MOM_VECINV subroutines (to help TAF). This fixes Pb of uninitialised
163        fVer?(kUp) in admom_fluxform with non-lin free-surf or bottom control.
164    
165    checkpoint63k (2012/03/17)
166    o model/src:
167       - selectAddFluid (ALLOW_ADDFLUID): add missing term in horizontal momentum
168         flux-form (mom_fluxform.F) and vertical momentum (calc_gw.F) equations.
169       - SOLVE_DIAGONAL: switch default to use adjoinable & vectorized version
170         (#undef SOLVE_DIAGONAL_LOWMEMORY); update output of exp. front_relax.bvp.
171    o model/src: solve_*diagonal.F
172       - replace division with multiplication by inverse (similar to original version)
173         update output of AD exp. global_ocean.90x40x15.
174       - fix pkg/gmredi/gmredi_calc_psi_bvp.F & pkg/ggl90/ggl90_calc.F
175         to enable the use of the vectorized & differentiable solve_tridiagonal.F
176       - test exp. global_ocean.90x40x15/input_ad: switch to advection scheme 20 for
177         vertical advection (to get solve_tridiagonal tested in AD mode).
178    o pkg/seaice: ECCO-CLIVAR merge:
179      1. seaice AREA relaxation
180         * CPP option: SEAICE_ALLOW_AREA_RELAXATION
181         * runtime flag: SEAICE_tauAreaObsRelax
182      2. modified global mean cost imbalance code: CPP option
183          ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION
184    o another iteration on solve_*diagonal.F
185       Make choices independent of AUTODIFF
186       Default will be the adjoinable vectorized version.
187       Alternative choices are:
188       * non-adjoinable original version with low memory footprint:
189         #define SOLVE_DIAGONAL_LOWMEMORY
190       * still adjoinable but does not vectorize (k as inner-most loop):
191         #define SOLVE_DIAGONAL_KINNER (keeping SOLVE_DIAGONAL_LOWMEMORY undef)
192    o testreport
193     - add option to use a home made wrapper around "make"
194     - remove MITGCM_IEEE env. variable (no longer active)
195    o pkg/shelfice
196     - improve computation of friction velocity for velocity dependent
197       exchange coefficients: include velocities into SHELFICEBoundaryLayer
198       block to average velocities vertically
199     - add TAF store directives for SHI_ALLOW_GAMMAFRICT
200    o Modify diagonal solvers, now three versions (upon request):
201      #ifndef SOLVE_DIAGONAL_AUTODIFF
202        1. default version (dating back a while ago)
203      #else /* def SOLVE_DIAGONAL_AUTODIFF */
204      # ifdef SOLVE_DIAGONAL_KINNER
205        2. adjoinable version with k-innermost loop (G. Forget)
206      # else
207        3. adjoinable vectorized version of 2.
208      # endif
209      #endif /* SOLVE_DIAGONAL_AUTODIFF */
210      All flags are currently set within routines, but could/should be moved to CPP-options.
211      Array bounds for 1. are as before, for 2.,3. cover the entire domain
212      (could be changed for 1. too).
213    o verification/lab_sea (fwd):
214      - update the 4 fwd lab_sea test experiment: no longer SEAICE_GROWTH_LEGACY,
215        use 7 categories (except hb87), new solve4temp params (except salt_plume),
216        constant salinity (=4) or variable salinity (salt_plume) done through
217        SItracer.
218    o pkg/seaice:
219      - rename parameters: SIsalFrac to SEAICE_saltFrac & SIsal0 to SEAICE_salt0;
220      - remove old parameters ( SEAICE_freeze, SEAICEturbFluxFormula, SEAICE_gamma_t,
221         SEAICE_gamma_t_frz, SEAICE_availHeatTaper & SEAICE_availHeatFracFrz)
222        from SEAICE_PARMS.h ; still need to fix seaice_cost_sst.F (broken when
223        SEAICE_freeze got retired) but already better than previously with
224        SEAICE_freeze=123456.7 deg.C;
225      - move setting of facOpenGrow/Melt from SEAICE_INIT_FIXED to SEAICE_READPARMS
226        (safer multi-threaded setting); always set SEAICEuseEVP;
227      - setting of ocean-ice turb. flux coeff: moved from SEAICE_CHECK to
228        SEAICE_READPARMS & SEAICE_INIT_FIXED (this fixes wrong summary report);
229        stop if multiple specifications for the same coeff; make sure default
230        SEAICE_mcPheePiston is compatible with drF(1) & deltaT.
231    o pkg/obcs:
232      - allow to switch to upwind 1rst order advection scheme for the advective
233        flux computation at the open-boundary; disabled for adjoint built.
234    o pkg/ptracers:
235      - rename PTRACERS_RESTART.h -> PTRACERS_START.h
236      - rename ptracers_fields_blocking_exchanges.F -> ptracers_fields_blocking_exch.F
237      - add parameter to decide when to start a tracer; use internal flag to
238        know which tracer to step-forward; switch this internal flag at the top
239        of forward_step.F (new S/R PTRACERS_SWITCH_ONOFF); for now, not enabled
240        for adjoint built.
241    o pkg/seaice:
242      - add SEAICE_SIZE.h anywhere in the code where SEAICE.h is included ;
243      - move MULTDIM declaration and setting from SEAICE.h to SEAICE_SIZE.h ;
244      - keep experiment offline_exf_seaice truly single category (set MULTDIM=1).
245    o pkg/ecco:
246      - fix writing of output file DiagnosCost_ClimSalt/Theta
247        and DiagnosCost_DriftSalt/Theta (if multi-tiles per proc).
248    o pkg/seaice:
249      - add missing initialisation of COR_ICE array in dynsolver.F
250      - merging SEAICE_MULTICATEGORY define and undef cases. Now the same code is
251        compiled either way, and is tested in all exps (multidim was only tested
252        in lab_sea ad before).
253      - cosmetic change to prepare for future addition of ITD. no change to results.
254        no defaults change.
255      - added run time param SEAICE_multDim (7 for SEAICE_MULTICATEGORY, 1 otherwise).
256      - by lack of adequate verification experiments, I further used custom versions
257        of global_ocean.cs32x15 to test multicat or not, with pickup or not. All
258        should be correct.
259      - avoid recomputations in ad.
260    o array initialisation in adjoint mode:
261      1) pkg/mom_common/mom_calc_ke.F:
262        add full array initialisation of KE inside mom_calc_ke.F (ALLOW_AUTODIFF_TAMC):
263        The S/R which calls MOM_CALC_KE initialises KE but in some recomputation
264        part this initialisation is gone, resulting in Floating Point Exception
265        (caught by open64 compiler with debug option).
266      2) model/src/convective_weights.F
267        set output convectCount over the full array range (instead of doing
268        an update): this fix a similar issue when called within recomputation (adjoint)
269        which could by-pass the initialisation (normally done in the caller S/R).
270    o pkg/seaice:
271      - final version of turbulent flux params, as agreed at MIT ice meet:
272           SEAICE_mcPheePiston (default is ~ 0.000875)
273           SEAICE_mcPheeTaper (default is 0.)
274           SEAICE_frazilFrac (defualt is 1.)
275           SEAICE_mcPheeStepFunc (default is false)
276      - changes results at trunction error level
277      - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo
278    o added pkg/frazil:
279      - see frazil_description.tex for details
280      - verification experiment is global_with_exf/input.yearly; changes output.yearly.txt
281    o pkg/shelfice/shelfice_thermodynamics.F
282      - fix exponents for velocity dependent exchange coefficients: change
283        from 2/3(=0) to 0.66666666666666667
284      - move computation of velocity dependent exchange coefficients into
285        separate loop, so that it applies to both thermodynamics
286      - move some divisions by constants out of loops
287    
288    checkpoint63j (2012/02/16)
289    o pkg/seaice:
290      - overhaul of seaice_summary.F after feb 2012 clean-up of seaice_growth.F etc.
291      - SItracer:  added run time params, and allow coupling to ocn salinity.
292    o pkg/seaice: remove (almost) all divisions by constants within loops
293      in seaice_growth.F and seaice_solve4temp.F, this changes (only) the cg2d
294      results of global_ocean.cs32x15.seaice from 16 to 11 digits (but only
295      those, caused by 1/QI -> recip_QI) -> update output.seaice.txt,
296      output_adm.seaice_dynmix.txt and also lab_sea: output_adm.evp.txt
297    o pkg/seaice :
298      - simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula
299        = 1 or 2, using newly added run time parameter SEAICE_availHeatTaper.
300      - fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148.
301      - add permanent SItflux diag that corresponds to TFLUX but includes
302        ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget.
303      - allow activation/testing of a fix for suspected missing term in
304        ocn-ice heat budget (to be confirmed). To test this, you want to
305        undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param
306        SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic.
307      - no change in results, fwd or ad.
308    o global_ocean.cs32x15/results: 3 changes following from the pkg/seaice commit below:
309      - switch to variable freezing point.
310           Results change : cg2d -> 1 digits; ad -> 3-6-6 digits.
311      - bug fix : the sublimation term that was missing is now activated.
312           Results change : cg2d -> 2 digits; ad -> 8-6-6 digits.
313      - bug fix : flooding sign term for SIsal0.NE.0.
314           Result change : cg2d -> 8 digits; ad -> 11-12-9 digits.
315    o pkg/seaice:
316      - unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT
317        is now the default, and the old default constant freezing point is recovered
318        with SEAICE_tempFrz0    = -1.96,
319             SEAICE_dTempFrz_dS = 0.,
320      - retire SEAICE_freeze (= the old way of specifycing the constant freezing point)
321      - remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there.
322      - bug fix (thanks to M. Losch) : the sublimation term that was missing is now
323        activated. To reproduce old results with this bug define SEAICE_DISABLE_SUBLIM.
324      - bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211)
325        was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail).
326      - bug fix (thanks to O. Jahn) : area loss for melting  got messed up in
327        seaice_growth r149 for legacy branch (no results change).
328      - introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code
329        from I. Fenty).
330      - results did not change except for global_ocean.cs32x15, mostly due to the
331        switch to variable freezing point (see above item for detail).
332    o pkg/thsice:
333      - fix and simplify interface to salt_plume pkg ; diagnose directly amount of
334        seawater freezing in thsice_calc_thickn (not used).
335    o pkg/seaice: turbulent flux term specification via run time params.
336      - replace CPP switches with run time switches to facilitate testing
337      - retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX,
338                       GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR
339      - added runtime parameter : SEAICEturbFluxFormula
340      - move Mcphee constants to SEAICE_PARAMS.h
341      - seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula;
342                 SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply);
343                 remove seaice_summary call (moved to seaice_init_fixed)
344      - seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on
345        SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms)
346      - seaice_summary.F : add missing report of read turbulent flux term set up
347                           and SITRACER.
348      - seaice_check.F : check range; inform and stop if retired CPPs are used
349                         (incl. SEAICE_AGE).
350      - seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without
351             CPP switch, same computation as before for the different options.
352      - change results at the truncation level.
353    o pkg/seaice:
354      - remove un-used parameters LAD & MAX_TICE ; add new run-time parameters:
355        useMaykutSatVapPoly (default=F), postSolvTempIter (default=2) and
356        SEAICE_wetAlbTemp (default=-1e-3). Remove option SEAICE_SOLVE4TEMP_LEGACY.
357      - update verification/*/input*/data.seaice:
358        to reproduce previous results with former #defined SEAICE_SOLVE4TEMP_LEGACY
359        code, set useMaykutSatVapPoly=T & postSolvTempIter=0 ;
360        and to reproduce previous results with former non-SOLVE4TEMP_LEGACY code,
361        set SEAICE_wetAlbTemp=0 & SEAICE_snowThick=0.
362    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY):
363      - remove LEGACY code for solving for tsurf (A1,A2,A3) but maintain the same
364        algorithm (same choice: useMaykutPolySatVap=T, postSolvTempIter=0);
365        difference in results only due to machine truncation.
366      - remove MAX_TICE (tsurf is always =< TMELT anyway); keep MIN_TICE if using
367        MaykutPolySatVap; keep MIN_LWDOWN.
368      - adapt SEAICE_MODIFY_GROWTH_ADJ code (untested) to non-legacy formulation.
369      - update output of verification exp. lab_sea (4 fwd: 11 cg2d digits except hb87,
370        + 3 AD: 6 digits except evp) and offline_exf_seaice.seaice (12 digits).
371    o pkg/salt_plume:
372      - isolate saltPlumeFlux array exch into a specific S/R called from
373        do_oceanic_phys.F
374      - add interface to pkg/salt_plume (filling of saltPlumeFlux) in pkg/thsice.
375    o verification:
376      - move untested set-up to MITgcm_contrib/verification_other.
377    o pkg/seaice:
378      - retire old way of SEAICE_AGE. Now replaced with ALLOW_SITRACER.
379    o pkg/seaice:
380      - seaice_solve4temp.F (keeping results unchanged):
381        * add 2 future run-time params to select which saturation vapor pressure
382          formula is used and how post-iteration fluxes are set.
383          Temporary set these 2 params according to option SOLVE4TEMP_LEGACY;
384        * New piece of code (not used) to update surf. atmos. heat flux F_ia using
385          the linearized expression to stay consistent with tsurf finding.
386      - seaice_freedrift.F avoid floating exception in sqrt(y) since y=sqrt(x*x)-x
387        can be < 0.
388    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY undef):
389      - remove from F_ia (and from it's derivative dFiDTs1) the contribution of
390        conductive heat flux F_c , and add it explicitly when updating tsurf as
391        solution of: Fc = Fia + d/dT(Fia - Fc) *delta.tsurf
392        so that now F_ia has a consistent meaning through the entire routine.
393        This causes differences at truncation level: update output of fwd exp.
394        global_ocean.cs32x15.seaice.
395    o pkg/seaice:
396      - lots of editing/cleaning in seaice_solve4temp.F + better documentation
397        of arrays, sign/direction of fluxes; no effect on results.
398      - replace hard coded 273.16 (=previous value of celsius2K) by celsius2K
399        in seaice_budget_ocean.F & seaice_solve4temp.F (SOLVE4TEMP_LEGACY part);
400        note: this should have been done before changing celsius2K default.
401      - to keep results unchanged, add back old value of celsius2K in verification
402        exp. input*/data : lab_sea (AD), offline_exf_seaice (fwd+AD) & seaice_obcs
403      - replace hard coded seawater freezing temp in seaice_solve4temp.F (part
404        SOLVE4TEMP_LEGACY) of 271.20 (=previous value of celsius2K + default
405        value of SEAICE_freeze) by celsius2K+SEAICE_freeze so that seawater
406        freezing temp is consistent with value in seaice_growth.F ; this causes
407        differences at machine truncation level: update lab_sea AD output (3/4).
408    o pkg/seaice:
409      - mask (in exf_init_fixed.F) atemp,aqh,evap,precip,runoff,lwflx,areamask
410        and climsst/sss even when using seaice (to prevent calculation that might
411        use SST on land); does not affect any verification exp.
412      - apply mask to taux,tauy (in seaice_get_dynforcing.F); update output
413        of lab_sea.fd & lab_sea.hb87 and global_ocean.cs32x15.seaice_dynmix.
414    o pkg/seaice/seaice_growth.F: add mask to avoid non-zero ice thickness
415      over land (non-legacy code)
416    o vectorize salt_plume package:
417    - add extra code to salt_plume_frac and salt_plume_tendency_apply_s    - add extra code to salt_plume_frac and salt_plume_tendency_apply_s
418    - this code computes plumebk everywhere (also over land), thus requires    - this code computes plumebk everywhere (also over land), thus requires
419      code to avoid divisions by zero and catch the case of kLev=Nr.      code to avoid divisions by zero and catch the case of kLev=Nr.
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