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revision 1.1517 by jmc, Sat Oct 22 14:11:04 2011 UTC revision 1.1669 by jmc, Fri Jun 15 13:40:36 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/generic_advdiff:
8      - implement vertical bi-harmonic diffusion (for now, only for T & S and
9        only explicitly).
10    o verification/bottom_ctrl_5x5/
11      update reference output (results changed quite some time ago,
12      not sure when; but new reference results look ok in terms of grdchk)
13    o verification/1D_ocean_ice_column/
14      For verification purposes, the exact adjoint rather than an approx.
15      should be used (e.g., to comare against F.D. or TLM).
16      removed autodiff_inadmode*_ad.F routines in code_ad/
17      Update results/ accordingly.
18    o pkg/cal:
19      - change cal_getdate.F so that output date is function of input time only
20        (less ambiguous, not mixed up with input iteration number).
21      - fix calendarDumps for non-zero phase-lag (S/R CAL_TIME2DUMP).
22    o pkg/diagnostics:
23      - implement calendarDumps also for stats-diags
24      - implement calendarDumps also for snap-shot output (negative freq)
25      - for now, ignores calendarDumps if non-zero phase-lag.
26    
27    checkpoint63n (2012/06/04)
28    o model/src:
29      - recompute rSurfW & S to ensure consistent column thickness (needed for rStar)
30        between Sum_k(hFac*drF) and rSurf-rLow, for now only when using pkg/shelfice;
31      - use h0FacC, W & S to compute hFac_surfC, W & S in calc_surf_dr.F (more
32        similar to calc_r_star.F); update results of experiment internal_wave and
33        tutorial_global_oce_in_p (affected @ truncation level).
34    o pkg/shelfice:
35      - add parameterisation of advective-diffusive flux into the ice shelf
36        according to Holland and Jenkins (1999), eq.22-33, as suggested by Jan De Ryd
37      - simply eps3/3a computation
38    o eesupp:
39     - add new CPP option (DISCONNECTED_TILES) to disconnect tiles (no exchange
40       between tiles, just fill-in edges assuming locally periodic subdomain) and
41       add corresponding exchange subroutines (EXCH0);
42     - new CG-solver version (_EX0) for disconnected-tiles special case.
43    o model/src (CG-solvers):
44     - modify Single-Reduction version (CG2D_SR) in case cg2dMaxIters is reached
45       (similar final residual output and max-Iter number as with standard version);
46     - allows to store and use lowest-residual solution (standard & _SR versions);
47     - cleaning up (remove old, commented out code, LETS_MAKE_JAM ...).
48     - by default, also compile CG2D_SR version (define ALLOW_SRCG in CPP_OPTIONS.h)
49    o eesup/src:
50     - global_vec_sum.F cleaning: add a BARRIER ; update comments ; remove ndef
51       ALWAYS_USE_MPI (no longer needed after fixing usingMPI settings - March 2012)
52    o pkg/salt_plume added to lab_sea/input_ad.noseaicedyn
53    
54    checkpoint63m (2012/04/27)
55    o pkg/shelfice:
56     - account for partical cells in surface level below ice-shelf for hydrostatic
57       pressure calculion (set uniformFreeSurfLev to F); update isomip experiments.
58    o ad test experiments:
59     - update and rename to "ad_optfile.local" local AD-optfile specific to a
60       particular adjoint verification experiment (in verification/*/code_ad/)
61    o pkg/seaice & pkg/exf:
62     - Part two of ECCO-CLIVAR code merges.
63       Completes merge of seaice area relax. code.
64       Requires unified CPP option EXF_ALLOW_SEAICE_RELAX
65       to be set in EXF_OPTIONS.h since this pkg controls its I/O
66       (and avoids second CPP option in SEAICE_OPTIONS.h)
67     - change default value of costIceStart & costIceEnd to a valid date.
68     - add snowPrecip to HSNOW in seaice_growth
69    o pkg/ptracers:
70     - move ptracers summary and setup check into separated S/R ; add a check for
71       valid PTRACERS_Iter0 value (error+stop or just warning).
72    o pkg/cal (+ pkg/ecco):
73     - avoid calling a S/R with 2 times the same arg (FWD: unless both are only used
74       as input; and for AD, unless both are not differentiable (e.g., k index)).
75    o model/src:
76     - define internal flag "uniformFreeSurfLev" (=T when free-surface level-index
77       is everywhere k=1) to speed-up some calculations (by pass kSurf reference);
78       temporary set to usingZCoords value (to be changed to F when using shelfice).
79     - hydrostatic pressure: implement partial cell near the surface also for
80       Z-coordinates (for the case where uniformFreeSurfLev=F); replace test on
81       usingZCoords with test on uniformFreeSurfLev where needed (in NonHyd code).
82    o pkg/ctrl/ctrl_init.F:
83     - add a formal parameter to s/r ctrl_init_rec to print
84       xx_$(ctrl_valiable)_file for easier debugging
85     - move call of cal_* routines into the if-block where they are really
86       needed so that xx_$(ctrl_variable)_period can be 0 or -12 without having
87       to specify a startdate
88    o pkg/seaice:
89     - update comments in SEAICE_OPTIONS.h (+ similar update of lab_sea/code and
90       global_ocean.cs32x15/code versions).
91     - turn on seaice Multi-category (in data.seaice, SEAICE_multDim=7) for
92       verification experiment global_ocean.cs32x15.seaice and update results.
93    o pkg/exf:
94     - new S/R EXF_GETFIELD_START to return starting-time of a forcing field
95       (according to useExfYearlyFields).
96    o pkg/cal:
97     - move calendar setting & summary (previously in cal_readparams.F) into new
98       S/R CAL_INIT_FIXED to be called later in the initialisation process, once
99       length of the simulation is set (after SET_PARMS call); This is an attempt
100       to fix Pb when, e.g.: pkg/longstep, modifies the length of the run.
101     - For safety: keep a record of pkg/cal parameter settings status
102               to allow to STOP if one pkg/cal S/R is called too early.
103     - add a stop in all basic pkg/cal subroutines if called before setting is done.
104     - modify cal_getdate.F: stop when nothing was returned;
105       if called with myIter=-1, simply retrun modelBaseDate (1,2 = startDate_1,_2);
106       this allows to remove "cal.h" from seaice_read_parms.F & init_mnc_vars.F.
107    
108    checkpoint63l (2012/04/04)
109    o pkg/bbl:
110      - fix call to FIND_RHO_2D in bbl_calc_rho.F (case multi-tiles per proc);
111        update global_with_exf output.yearly.txt file.
112    o pkg/cal:
113      - start to clean-up cal_set.F ; fix for the case where baseTime is non-zero.
114      - remove 2 unsused and very short (1 line only) functions ;
115      - remove unsused subroutines from AD-Diff list.
116    o model/src:
117      - start to implement clean wait to stop in initialization S/R (config_check.F,
118         packages_check.F, ini_parms.F and pkg/obcs/obcs_check.F + pkg/mypackage)
119    o folowing PRINT_MESSAGE changes:
120      - remove reminder multiple print to the same file (STDOUT) when multi-threads.
121    o pkg/bbl:
122      - modification so it can work with z*
123      - replace deltaT with dTtracerLev(k) for asynchronous time stepping
124      - global_with_exf/input.yearly verification; changes output.yearly.txt
125    o eesupp/src:
126      - PRINT_MESSAGE: use OpenMP critical instruction (similar to PRINT_ERROR);
127        writing to unit 0 (if unit=errorMessageUnit) extended to the case myThid=1
128      - CHECK_THREADS: specific code if using OpenMP threading: improve checking of
129        # of threads across processors (e.g., different env OMP_NUM_THREADS setting)
130      - improve special preliminary call to EESET_PARMS (if eedata is read 2 times).
131      - when using MPI, always set usingMPI=T ; set default accordingly and stop
132        if not consistent.
133      - ALL_PROC_DIE: add a BARRIER after MPI_FINALIZE call ; skip this when thread
134        argument is zero (in case called within single-thread section).
135    o pkg/fizhi:
136        clean-up turbulence cold-start switch: decided in fizhi_init_vars.F, stored
137        in common bloc (fizhi_coms.h) and then passed as argument up to S/R TURBIO.
138    o pkg/exch2:
139      - add argument "updateCorners" to S/R exch2_get_uv_bounds (enable to
140        activate EXCH_IGNORE_CORNERS in vector EXCH S/R).
141      - switch 1rst EXCH call to IGNORE_CORNERS (instead of UPDATE_CORNERS)
142        but keep the 2nd with UPDATE_CORNERS: this prevents overwriting good data
143        with bad ones coming from a not-yet-updated halo.
144        This should fix the problem when sNx <> sNy and GCD(sNx,sNy) < 2*Olx.
145    o pkg/frazil:
146        move FrzForcT diag from frazil_diagnostics_state.F to frazil_calc_rhs.F
147        http://mitgcm.org/pipermail/mitgcm-devel/2012-March/005384.html
148    o model/src/config_check.F: add a check for OLx>sNx/OLy>sNy
149    o verification/lab_sea
150      * #undef SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING
151      * #define ALLOW_SST_CONTROL & ALLOW_SST_CONTROL
152      * nTimeSteps 3 -> 4
153      * changed reference output accordingly
154    o pkg/ctrl:
155      * fix ctrl_get_gen for xx_sst, xx_sss
156    o pkg/fizhi:
157      - fix 2 calls to S/R GRD2MSC (argument igrd) in update_earth_exports.F
158        update results of exp. fizhi-cs-32x32x40 (fail with only 6 digits for cg2d)
159      - by default, use new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE);
160        fix few out-of-bounds indices in referencing vars (initialise igrd to 1);
161        clean-up fizhi_turb.F (remove unused & uninitialised qdiaglsm array).
162    o pkg/gmredi:
163      - add diagnostic of Redi (main diagnonal) vertical diffusive flux of Temp
164    o pkg/fizhi:
165      - fix few initialisation and multi-tile Pb: aqualev & gridalt now pass the
166        (old)aces open64 tuv test.
167    o pkg/icefront: fix bug and reorder loop in icefront_init_varia.F
168    o pkg/mom_vecinv:
169      - fix 1 loop range in mom_vecinv.F to be like all the other loops which
170        set/update gu,gv/Diss (fix Pb of uninitialised fVerUkp in admom_vecinv
171        with non-lin free-surf).
172    o model/src: move k-loop outside of i/j-loops when (re-)computing R_low
173      in ini/update_masks_etc.F in order to avoid -O3 optimization problems with
174      some compilers (gfortran 4.6.0 on MacOS)
175    o momentum:
176      - separate fVer?(:,:,kUp) & fVer?(:,:,kDown) in argument list of MOM_FLUXFORM
177        & MOM_VECINV subroutines (to help TAF). This fixes Pb of uninitialised
178        fVer?(kUp) in admom_fluxform with non-lin free-surf or bottom control.
179    
180    checkpoint63k (2012/03/17)
181    o model/src:
182       - selectAddFluid (ALLOW_ADDFLUID): add missing term in horizontal momentum
183         flux-form (mom_fluxform.F) and vertical momentum (calc_gw.F) equations.
184       - SOLVE_DIAGONAL: switch default to use adjoinable & vectorized version
185         (#undef SOLVE_DIAGONAL_LOWMEMORY); update output of exp. front_relax.bvp.
186    o model/src: solve_*diagonal.F
187       - replace division with multiplication by inverse (similar to original version)
188         update output of AD exp. global_ocean.90x40x15.
189       - fix pkg/gmredi/gmredi_calc_psi_bvp.F & pkg/ggl90/ggl90_calc.F
190         to enable the use of the vectorized & differentiable solve_tridiagonal.F
191       - test exp. global_ocean.90x40x15/input_ad: switch to advection scheme 20 for
192         vertical advection (to get solve_tridiagonal tested in AD mode).
193    o pkg/seaice: ECCO-CLIVAR merge:
194      1. seaice AREA relaxation
195         * CPP option: SEAICE_ALLOW_AREA_RELAXATION
196         * runtime flag: SEAICE_tauAreaObsRelax
197      2. modified global mean cost imbalance code: CPP option
198          ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION
199    o another iteration on solve_*diagonal.F
200       Make choices independent of AUTODIFF
201       Default will be the adjoinable vectorized version.
202       Alternative choices are:
203       * non-adjoinable original version with low memory footprint:
204         #define SOLVE_DIAGONAL_LOWMEMORY
205       * still adjoinable but does not vectorize (k as inner-most loop):
206         #define SOLVE_DIAGONAL_KINNER (keeping SOLVE_DIAGONAL_LOWMEMORY undef)
207    o testreport
208     - add option to use a home made wrapper around "make"
209     - remove MITGCM_IEEE env. variable (no longer active)
210    o pkg/shelfice
211     - improve computation of friction velocity for velocity dependent
212       exchange coefficients: include velocities into SHELFICEBoundaryLayer
213       block to average velocities vertically
214     - add TAF store directives for SHI_ALLOW_GAMMAFRICT
215    o Modify diagonal solvers, now three versions (upon request):
216      #ifndef SOLVE_DIAGONAL_AUTODIFF
217        1. default version (dating back a while ago)
218      #else /* def SOLVE_DIAGONAL_AUTODIFF */
219      # ifdef SOLVE_DIAGONAL_KINNER
220        2. adjoinable version with k-innermost loop (G. Forget)
221      # else
222        3. adjoinable vectorized version of 2.
223      # endif
224      #endif /* SOLVE_DIAGONAL_AUTODIFF */
225      All flags are currently set within routines, but could/should be moved to CPP-options.
226      Array bounds for 1. are as before, for 2.,3. cover the entire domain
227      (could be changed for 1. too).
228    o verification/lab_sea (fwd):
229      - update the 4 fwd lab_sea test experiment: no longer SEAICE_GROWTH_LEGACY,
230        use 7 categories (except hb87), new solve4temp params (except salt_plume),
231        constant salinity (=4) or variable salinity (salt_plume) done through
232        SItracer.
233    o pkg/seaice:
234      - rename parameters: SIsalFrac to SEAICE_saltFrac & SIsal0 to SEAICE_salt0;
235      - remove old parameters ( SEAICE_freeze, SEAICEturbFluxFormula, SEAICE_gamma_t,
236         SEAICE_gamma_t_frz, SEAICE_availHeatTaper & SEAICE_availHeatFracFrz)
237        from SEAICE_PARMS.h ; still need to fix seaice_cost_sst.F (broken when
238        SEAICE_freeze got retired) but already better than previously with
239        SEAICE_freeze=123456.7 deg.C;
240      - move setting of facOpenGrow/Melt from SEAICE_INIT_FIXED to SEAICE_READPARMS
241        (safer multi-threaded setting); always set SEAICEuseEVP;
242      - setting of ocean-ice turb. flux coeff: moved from SEAICE_CHECK to
243        SEAICE_READPARMS & SEAICE_INIT_FIXED (this fixes wrong summary report);
244        stop if multiple specifications for the same coeff; make sure default
245        SEAICE_mcPheePiston is compatible with drF(1) & deltaT.
246    o pkg/obcs:
247      - allow to switch to upwind 1rst order advection scheme for the advective
248        flux computation at the open-boundary; disabled for adjoint built.
249    o pkg/ptracers:
250      - rename PTRACERS_RESTART.h -> PTRACERS_START.h
251      - rename ptracers_fields_blocking_exchanges.F -> ptracers_fields_blocking_exch.F
252      - add parameter to decide when to start a tracer; use internal flag to
253        know which tracer to step-forward; switch this internal flag at the top
254        of forward_step.F (new S/R PTRACERS_SWITCH_ONOFF); for now, not enabled
255        for adjoint built.
256    o pkg/seaice:
257      - add SEAICE_SIZE.h anywhere in the code where SEAICE.h is included ;
258      - move MULTDIM declaration and setting from SEAICE.h to SEAICE_SIZE.h ;
259      - keep experiment offline_exf_seaice truly single category (set MULTDIM=1).
260    o pkg/ecco:
261      - fix writing of output file DiagnosCost_ClimSalt/Theta
262        and DiagnosCost_DriftSalt/Theta (if multi-tiles per proc).
263    o pkg/seaice:
264      - add missing initialisation of COR_ICE array in dynsolver.F
265      - merging SEAICE_MULTICATEGORY define and undef cases. Now the same code is
266        compiled either way, and is tested in all exps (multidim was only tested
267        in lab_sea ad before).
268      - cosmetic change to prepare for future addition of ITD. no change to results.
269        no defaults change.
270      - added run time param SEAICE_multDim (7 for SEAICE_MULTICATEGORY, 1 otherwise).
271      - by lack of adequate verification experiments, I further used custom versions
272        of global_ocean.cs32x15 to test multicat or not, with pickup or not. All
273        should be correct.
274      - avoid recomputations in ad.
275    o array initialisation in adjoint mode:
276      1) pkg/mom_common/mom_calc_ke.F:
277        add full array initialisation of KE inside mom_calc_ke.F (ALLOW_AUTODIFF_TAMC):
278        The S/R which calls MOM_CALC_KE initialises KE but in some recomputation
279        part this initialisation is gone, resulting in Floating Point Exception
280        (caught by open64 compiler with debug option).
281      2) model/src/convective_weights.F
282        set output convectCount over the full array range (instead of doing
283        an update): this fix a similar issue when called within recomputation (adjoint)
284        which could by-pass the initialisation (normally done in the caller S/R).
285    o pkg/seaice:
286      - final version of turbulent flux params, as agreed at MIT ice meet:
287           SEAICE_mcPheePiston (default is ~ 0.000875)
288           SEAICE_mcPheeTaper (default is 0.)
289           SEAICE_frazilFrac (defualt is 1.)
290           SEAICE_mcPheeStepFunc (default is false)
291      - changes results at trunction error level
292      - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo
293    o added pkg/frazil:
294      - see frazil_description.tex for details
295      - verification experiment is global_with_exf/input.yearly; changes output.yearly.txt
296    o pkg/shelfice/shelfice_thermodynamics.F
297      - fix exponents for velocity dependent exchange coefficients: change
298        from 2/3(=0) to 0.66666666666666667
299      - move computation of velocity dependent exchange coefficients into
300        separate loop, so that it applies to both thermodynamics
301      - move some divisions by constants out of loops
302    
303    checkpoint63j (2012/02/16)
304    o pkg/seaice:
305      - overhaul of seaice_summary.F after feb 2012 clean-up of seaice_growth.F etc.
306      - SItracer:  added run time params, and allow coupling to ocn salinity.
307    o pkg/seaice: remove (almost) all divisions by constants within loops
308      in seaice_growth.F and seaice_solve4temp.F, this changes (only) the cg2d
309      results of global_ocean.cs32x15.seaice from 16 to 11 digits (but only
310      those, caused by 1/QI -> recip_QI) -> update output.seaice.txt,
311      output_adm.seaice_dynmix.txt and also lab_sea: output_adm.evp.txt
312    o pkg/seaice :
313      - simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula
314        = 1 or 2, using newly added run time parameter SEAICE_availHeatTaper.
315      - fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148.
316      - add permanent SItflux diag that corresponds to TFLUX but includes
317        ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget.
318      - allow activation/testing of a fix for suspected missing term in
319        ocn-ice heat budget (to be confirmed). To test this, you want to
320        undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param
321        SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic.
322      - no change in results, fwd or ad.
323    o global_ocean.cs32x15/results: 3 changes following from the pkg/seaice commit below:
324      - switch to variable freezing point.
325           Results change : cg2d -> 1 digits; ad -> 3-6-6 digits.
326      - bug fix : the sublimation term that was missing is now activated.
327           Results change : cg2d -> 2 digits; ad -> 8-6-6 digits.
328      - bug fix : flooding sign term for SIsal0.NE.0.
329           Result change : cg2d -> 8 digits; ad -> 11-12-9 digits.
330    o pkg/seaice:
331      - unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT
332        is now the default, and the old default constant freezing point is recovered
333        with SEAICE_tempFrz0    = -1.96,
334             SEAICE_dTempFrz_dS = 0.,
335      - retire SEAICE_freeze (= the old way of specifycing the constant freezing point)
336      - remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there.
337      - bug fix (thanks to M. Losch) : the sublimation term that was missing is now
338        activated. To reproduce old results with this bug define SEAICE_DISABLE_SUBLIM.
339      - bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211)
340        was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail).
341      - bug fix (thanks to O. Jahn) : area loss for melting  got messed up in
342        seaice_growth r149 for legacy branch (no results change).
343      - introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code
344        from I. Fenty).
345      - results did not change except for global_ocean.cs32x15, mostly due to the
346        switch to variable freezing point (see above item for detail).
347    o pkg/thsice:
348      - fix and simplify interface to salt_plume pkg ; diagnose directly amount of
349        seawater freezing in thsice_calc_thickn (not used).
350    o pkg/seaice: turbulent flux term specification via run time params.
351      - replace CPP switches with run time switches to facilitate testing
352      - retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX,
353                       GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR
354      - added runtime parameter : SEAICEturbFluxFormula
355      - move Mcphee constants to SEAICE_PARAMS.h
356      - seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula;
357                 SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply);
358                 remove seaice_summary call (moved to seaice_init_fixed)
359      - seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on
360        SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms)
361      - seaice_summary.F : add missing report of read turbulent flux term set up
362                           and SITRACER.
363      - seaice_check.F : check range; inform and stop if retired CPPs are used
364                         (incl. SEAICE_AGE).
365      - seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without
366             CPP switch, same computation as before for the different options.
367      - change results at the truncation level.
368    o pkg/seaice:
369      - remove un-used parameters LAD & MAX_TICE ; add new run-time parameters:
370        useMaykutSatVapPoly (default=F), postSolvTempIter (default=2) and
371        SEAICE_wetAlbTemp (default=-1e-3). Remove option SEAICE_SOLVE4TEMP_LEGACY.
372      - update verification/*/input*/data.seaice:
373        to reproduce previous results with former #defined SEAICE_SOLVE4TEMP_LEGACY
374        code, set useMaykutSatVapPoly=T & postSolvTempIter=0 ;
375        and to reproduce previous results with former non-SOLVE4TEMP_LEGACY code,
376        set SEAICE_wetAlbTemp=0 & SEAICE_snowThick=0.
377    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY):
378      - remove LEGACY code for solving for tsurf (A1,A2,A3) but maintain the same
379        algorithm (same choice: useMaykutPolySatVap=T, postSolvTempIter=0);
380        difference in results only due to machine truncation.
381      - remove MAX_TICE (tsurf is always =< TMELT anyway); keep MIN_TICE if using
382        MaykutPolySatVap; keep MIN_LWDOWN.
383      - adapt SEAICE_MODIFY_GROWTH_ADJ code (untested) to non-legacy formulation.
384      - update output of verification exp. lab_sea (4 fwd: 11 cg2d digits except hb87,
385        + 3 AD: 6 digits except evp) and offline_exf_seaice.seaice (12 digits).
386    o pkg/salt_plume:
387      - isolate saltPlumeFlux array exch into a specific S/R called from
388        do_oceanic_phys.F
389      - add interface to pkg/salt_plume (filling of saltPlumeFlux) in pkg/thsice.
390    o verification:
391      - move untested set-up to MITgcm_contrib/verification_other.
392    o pkg/seaice:
393      - retire old way of SEAICE_AGE. Now replaced with ALLOW_SITRACER.
394    o pkg/seaice:
395      - seaice_solve4temp.F (keeping results unchanged):
396        * add 2 future run-time params to select which saturation vapor pressure
397          formula is used and how post-iteration fluxes are set.
398          Temporary set these 2 params according to option SOLVE4TEMP_LEGACY;
399        * New piece of code (not used) to update surf. atmos. heat flux F_ia using
400          the linearized expression to stay consistent with tsurf finding.
401      - seaice_freedrift.F avoid floating exception in sqrt(y) since y=sqrt(x*x)-x
402        can be < 0.
403    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY undef):
404      - remove from F_ia (and from it's derivative dFiDTs1) the contribution of
405        conductive heat flux F_c , and add it explicitly when updating tsurf as
406        solution of: Fc = Fia + d/dT(Fia - Fc) *delta.tsurf
407        so that now F_ia has a consistent meaning through the entire routine.
408        This causes differences at truncation level: update output of fwd exp.
409        global_ocean.cs32x15.seaice.
410    o pkg/seaice:
411      - lots of editing/cleaning in seaice_solve4temp.F + better documentation
412        of arrays, sign/direction of fluxes; no effect on results.
413      - replace hard coded 273.16 (=previous value of celsius2K) by celsius2K
414        in seaice_budget_ocean.F & seaice_solve4temp.F (SOLVE4TEMP_LEGACY part);
415        note: this should have been done before changing celsius2K default.
416      - to keep results unchanged, add back old value of celsius2K in verification
417        exp. input*/data : lab_sea (AD), offline_exf_seaice (fwd+AD) & seaice_obcs
418      - replace hard coded seawater freezing temp in seaice_solve4temp.F (part
419        SOLVE4TEMP_LEGACY) of 271.20 (=previous value of celsius2K + default
420        value of SEAICE_freeze) by celsius2K+SEAICE_freeze so that seawater
421        freezing temp is consistent with value in seaice_growth.F ; this causes
422        differences at machine truncation level: update lab_sea AD output (3/4).
423    o pkg/seaice:
424      - mask (in exf_init_fixed.F) atemp,aqh,evap,precip,runoff,lwflx,areamask
425        and climsst/sss even when using seaice (to prevent calculation that might
426        use SST on land); does not affect any verification exp.
427      - apply mask to taux,tauy (in seaice_get_dynforcing.F); update output
428        of lab_sea.fd & lab_sea.hb87 and global_ocean.cs32x15.seaice_dynmix.
429    o pkg/seaice/seaice_growth.F: add mask to avoid non-zero ice thickness
430      over land (non-legacy code)
431    o vectorize salt_plume package:
432      - add extra code to salt_plume_frac and salt_plume_tendency_apply_s
433      - this code computes plumebk everywhere (also over land), thus requires
434        code to avoid divisions by zero and catch the case of kLev=Nr.
435      - efficiency of salt_plume_frac is still sub-optimal
436    o tools (genmake2):
437      - fix makefile NAME specification (option: -makefile NAME) by adding
438        "-f $MAKEFILE" in few places where it was missing including makedepend
439        command (contribution from Paul).
440    
441    checkpoint63i (2012/01/24)
442    o model/src:
443      - add factorized versions of some EOS code to find_rho.F,
444        define USE_FACTORIZED_EOS to turn it on (default for TARGET_NEC_SX)
445    o model/src:
446      - add celsius2K to namelist PARM01; remove unused recip_rhoNil from PARAMS.h;
447      - change default celsius2K from 273.16 to 273.15
448      - to keep results unchanged, add back old value of celsius2K in verification
449        exp. input*/data : aim.5l_cs, 1D_ocean_ice_column, lab_sea (fwd),
450         global_ocean.cs32x15(seaice) & cpl_aim+ocn(input_atm).
451    o model/src: add a little initialisation trick to find_rho.F and find_alpha.F
452      to make TAF generate vectorizable code
453    o pkg/seaice/seaice_evp.F: add code (copied from CICE) that avoids underflows.
454       Turn on by defining SEAICE_EVP_ELIMINATE_UNDERFLOWS. Most compilers
455       have flags that do this more efficiently.
456    o pkg/diagnostics/diagstats_calc.F
457      - for TARGET_NEC_SX fix the treatment of the scaling factor tmpFac=scaleFact
458    o pkg/obcs (with exch2):
459      - derive OB indices in overlap region from OB-InsideMask (in obcs_init_fixed.F)
460        and remove code (in obcs_readparms.F) which was based on EXCH of indices
461        (through buffer) and did not account for exch2 (e.g., CS-grid) topology.
462    o pkg/exf and seaice exp:
463      - change offline_exf_seaice.seaicetd test exp. to use default DIFF1 value (=0)
464        so that switching off area & heff advection flags does not affect results.
465      - change default EXF_LWDOWN_WITH_EMISSIVITY to #define in EXF_OPTIONS.h
466      - keep exp. seaice_obcs & 1D_ocean_ice_column(ad) unchanged (using #undef
467        EXF_LWDOWN_WITH_EMISSIVITY) and, using pkg/exf default emissivities, update
468        results of verification experiments: 1D_ocean_ice_column(fwd),
469        global_ocean.cs32x15.seaice(fwd+ad) & seaice_dynmix(ad), lab_sea (all 8)
470        and offline_exf_seaice (all 4).
471    o pkg/seaice:
472      - remove array YNEG, RIVER, TMIX (replaced by local var) from common block;
473        remove also areaNm1 & hEffNm1 when SEAICE_GROWTH_LEGACY is undef.
474      - fix bug: areaNm1 & hEffNm1 are needed in seaice_growth (SEAICE_GROWTH_LEGACY)
475        but were not filled when resp. SEAICEadvArea=F & SEAICEadvHeff=F and
476        not multi-dim advection;
477      - fix seaice_growth.F to compile with both SEAICE_GROWTH_LEGACY and
478        SHORTWAVE_HEATING #undef.
479    o optim: make Makefile more robust (?)
480    o pkg/obcs:
481      * fix treatment of obcs_read_pickup for TAF
482    o pkg/shelfice:
483      * add missing initialisation of num_shifwflx
484      * new adjoint verification exp. for isomip
485      * change Prandtl and Schmidt numbers from generic formulations
486        (in terms of model diffus. and visc.) to separate runtime
487        parameters, with Holland and Jenkins (1999) default values.
488    o pkg/exf (interpolation):
489      - extended input field (2 rows) near the N & S poles:
490        * fill in with the symetric value (when even Nb of data in longitude)
491        * add average value at the poles only for scalar quantities ; for vector
492          component interpolation, skip the averaging and keep duplicated values,
493          unless the 2 components have same location (uvInterp=T) in which case
494          interpolate the 2 components together using S/R EXF_INTERP_UV.
495      - new S/R EXF_INTERP_UV to interpolate the 2 components of a vector field
496        together: this allows to account properly for local orientation when
497        averaging at N & S pole.
498      - add CPP option EXF_USE_OLD_INTERP_POLE to recover old results regarding
499        exf-interpolation near N & S poles. Undef by default.
500      - add debug check/print on 1rst iter if debugLevel >=2.
501    o pkg/exf:
502      - change masking flags definition (no longer "parameter"), put them in
503        common block and set them in S/R EXF_INIT_FIXED.
504      - change recognized masking flag from s,u,v to c,w,s since the mask
505        to use (maskC,W,S) depends on position on model grid and has little to
506        do with scalar/vector difference; fix masking if using P-coordinates.
507      - fix masking of wind-stress (was wrong if interpolated or read on A-grid)
508        and update results of exp. global_with_exf (x2).
509      - fix setting of zenith-angle table when SHORTWAVE_HEATING is undef.
510    o pkg/obcs
511      - S/R obcs_calc_stevens: fix a small bug (gammat -> gammas where appropriate)
512    o pkg/exf (interpolation):
513      - assume periodicity in X only if input field cover full longitude range.
514      - improve search for lat. index (supposed to be faster, in ~log2(ny) steps,
515        and should vectorise).
516      - fix input lat of the 2 added row (in case we provide N.pole data).
517    
518    checkpoint63h (2011/12/30)
519    o pkg/seaice:
520      - change declaration of UVM from _RL to _RS in order to get B-grid
521        uIce,vIce monitor when _RS = real*4
522    o pkg/offline:
523      - new S/R OFFLINE_RESET_PARMS for resetting main-model params (switch off flags);
524      - compute vertical velocity if not read from file (switch on exactConserv
525        & staggerTimeStep);
526      - fix output of ptracer monitor iter & time for default PTRACERS_monitorFreq.
527    o verification:
528      - update grid-files (in tutorial_held_suarez_cs/input and fizhi-cs-32x32x40/input)
529        with grid-angle generated using "utils/matlab/cs_grid/cubeCalcAngle.m":
530        fix Pb in yG definition @ 2 missing corners (previously yG was averaged);
531      - update output of exp. global_ocean.cs32x15.viscA4 after changing
532        grid-file angles (used here for coriolis-3d);
533      - remove (or gzip) few files not needed to run fizhi-cs experiments.
534    o pkg/exf (vector interpolation):
535      - rotate vector component toward local grid-axis orientation using grid-angles
536        (stored in GRID.h) instead of locally computed rotation angle; keep old code
537        available with exf option EXF_USE_OLD_VEC_ROTATION (undef by default).
538    o pkg/seaice:
539      - allow to compile with exf options ALLOW_ATM_TEMP or ALLOW_DOWNWARD_RADIATION
540        undefined. Fix and remove the stop when ALLOW_RUNOFF is undefined.
541    o pkg/PKG_OPTIONS.h files:
542      - move #include "CPP_OPTIONS.h" just after #include "PACKAGES_CONFIG.h",
543        outside of the #ifdef ALLOW_THISPKG / #endif block.
544      - update verification/*/code/PKG_OPTIONS.h files.
545    o add a verification experiment (offline_exf_seaice/input.seaice) that test
546      the B-grid LSOR solver
547    o pkg/seaice: sort out emissivity and long wave radiation step 2:
548      - add emissivity for snow and ice as new run-time parameters
549        (unfortunately) that default to the corresponding exf values; this
550        changes results in most verification experiments so that for backward
551        compatibility these parameter have to be set explicitly to inconsistent
552        values (ugly);
553      - the exf-flag EXF_LWDOWN_WITH_EMISSIVITY then gets rid off the hard-wired
554        emissivities of 0.97 associated with lwdownloc in S/R seaice_solve4temp
555        until we agree how to handle this bug properly
556    o pkg/exf (interpolation):
557      - add a set of run-time param ({inputfield}_interpMethod), one for
558        each interpolated input field, to select the interpolation method
559        with a value of zero switching off the interpolation;
560      - print interpolation parameters to standard output;
561      - refine exf_check.F accordingly ; stop if USE_NO_INTERP_RUNOFF is defined
562        (to use instead runoff_interpMethod=0 in data.exf).
563      - simplify default setting of interpolation parameters (for all fields,
564        set position to match model grid cell-center position, leading to trivial
565        interpolation in case of regular Lat-Lon grid) and fix for the case of
566        non-uniform delY.
567    o pkg/exf/exf_radiation.F: add the factor ocean_emissivity to lwdown, for
568       within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.
569       this factor is absolutely required, because the lw exitance (= out-going
570       long wave radiation) is emissivity*stefanBoltzmann*T^4 + rho*lwdown,
571       where the reflectivity rho = 1-emissivity for conservation reasons. Once
572       this is established, we can remove the CPP-Flag (if we want to).
573    o pkg/seaice:
574      - qualify a stop statement in S/R seaice_check: EXF_READ_EVAP and
575        ALLOW_BULKFORMULAE are only required if SEAICE_EXTERNAL_FLUXES is defined
576      - sort out emissivity and long wave radiation, step 1: make SEAICE_emissivity
577        what the name implies (and not emissivity*BoltzmannConstant), this means
578        the old default value of 5.5e-8 now means
579        5.5e-8/5.670e-8 = 0.97001763668430343479 as ocean_emissivity in
580        S/R exf_readparms
581      - FV-discretization of the B-grid LSOR solver, turn on with
582        SEAICE_LSRBNEW. This new solver also involves a slight re-organization
583        of the calling routine dynsolver, so that B and C-grid code look a
584        little more alike.
585      - fix index bugs in ostres.F (B-grid code)
586    o pkg/seaice/seaice_ocean_budget.F: change (unused) code to make it look better
587    o pkg/seaice/seaice_readparms.F: make ocean_emissivity*stefanBoltzmann the
588      default for SEAICE_emissivity, if useEXF; requires setting a wrong
589      parameter value in global_ocean.cs32x15/input.seaice/data.seaice for
590      backward compatiblity
591    o model/src: use sigmaR in calc_ivdc
592    
593    checkpoint63g (2011/12/16)
594    o pkg/seaice/seaice_growth.F:
595      fix heat conservation of the coupled ocean-seaice system.
596      when SEAICE_HEAT_CONSERV_FIX is defined, the mismatch of
597      solid vs liquid water treatment is resolved via QNET.
598    o pkg/seaice/seaice_growth.F:
599      add missing term for sublimation in saltFlux, which was breaking conservation.
600    o pkg/seaice/seaice_model.F:
601      Remove this patholigical case treatment in evolution branch,
602      where it is un-necessary and breaks conservation.
603      Update global_ocean.cs32x15/results accordingly for
604      output.seaice.txt output_adm.seaice.txt and output_adm.seaice_dynmix.txt
605    o model/src:
606      useRealFreshWaterFlux: remove masking of EmPmP (using maskInC) in
607      external_forcing_surf.F and apply mask directly in S/R SOLVE_FOR_PRESSURE.
608    o pkg/obcs:
609      modify Stevens boundary conditions so that S/R obcs_calc_stevens computes
610      tendency for temperature and salinity that is then applied to update
611      theta and salt in S/R obcs_apply_ts; this requires proper masking of all
612      horizontal advection and diffusion contributions on the boundary (in
613      S/Rs gad_advection, gad_calc_rhs, gmredi_rtransport, gmredi_calc_diff), and
614      removing the mask in S/R timestep_tracer. The advantage of this approach is
615      that the updated tracer values include contributions from the surface
616      forcing and vertical diffusion.
617      This modification changes exp4.stevens because of vertical diffusion.
618    o model/src:
619      change non-curvilinear grid setting to also work with exch2 + blank tiles:
620      - move delX,delY to new header file (SET_GRID.h) and adjust length to 1rst
621        face dimensions.
622      - new S/R INI_LOCAL_GRID to define model tile-local grid (using same units
623        as delX,delY) and called from S/R INI_CARTESIAN_GRID, INI_CYLINDER_GRID
624        and INI_SPHERICAL_POLAR_GRID.
625      change test-experiment global_ocean.90x40x15:
626      - split the domain in many more tiles (9x4 tiles of 10x10 each);
627      - switch to exch2 and remove 1 blank-tile (but only for MPI test).
628      - update results of both test (std & dwnslp).
629    o pkg/diagnostics/diagstat_calc.F: fix problem with non-initialised halos in
630       tmp-fields for TARGET_NEC_SX at the cost of extra loops and less vectorisation
631    o model/src:
632      - take sigma-coords related code out of update_etah.F into new S/R UPDATE_ETAWS
633        and fix initialisation when using sigma-coords.
634    o model/src:
635     - improve Gael's changes from Jan 14, 2011 "addition of an 'update' of hfacc etc.
636       to their current value at the beginning of forward_step.F": add a new run-time
637       switch "doResetHFactors" (default=false) and use it to do (or not) the resetting.
638     - set doResetHFactors=T in the following test exp:
639        global_ocean.90x40x15/input (rStar) & input.dwnslp (linFS),
640        global_ocean.cs32x15/input.seaice (rStar), hs94.cs-32x32x5/input.impIGW (linFS)
641        and tutorial_global_oce_in_p (nonLinFS in p)
642    o pkg/ecco
643      - added IES cost term
644    o verification/advect_xz
645      - scale down the depth by 1/100 (from 200 km to just 2.km)
646      - add secondary test using divergent flow, r-star and implicit vertical advection.
647      - add note (check_conserve_TS.txt) and matlab script to check global
648        conservation of T & S with NonLin-FreeSurf and Adams-Bashforth.
649    o pkg/rbcs:
650      - add missing relaxUFile & relaxVFile in namelist (in rbcs_readparms.F).
651    o pkg/obcs (Stevens BCs):
652      - fix various problems in the phase speed computations of the Stevens
653        boundary conditions:
654        - sign error for western and southern boundaries,
655        - time tendencies were underestimated by factor of dTracerLev and some just
656          zero (for multidim advection schemes) -> now estimate time tendencies
657          from difference between previous (n) time level and the one before (n-1);
658          this requires storing a field per tracer per boundary, also in the pickup
659          files.
660        - replace deltaTmom in cflMer/Zon computation with dTracerLev
661        - set default phase velocity to cflMer/Zon
662      - update verification experiment exp4.stevens
663    o pkg/generic_advdiff (implicit_r):
664      - fix implicit vertical advection conservation with AB and/or NonLin-FreeSurf
665        (remove Tr*d/dz(w) in gad_implicit_r.F and add it in gad_calc_rhs.F);
666      - fix implicit vertical diffusion or advection with NonLin FreeSurf
667        (was using current recip_hFacC instead of future recip_hFacC): set future
668        recip_hFac in thermodynamics.F and pass & use it in all vertical implicit
669        solver S/R ;
670      - fill diagnostics of vertical advective fluxes (computed from tendency)
671        when using implicit vert. advection;
672      - update output of exp that uses NonLin-FreeSurf & implicit vertical diffusion:
673         global_ocean.90x40x15 (fwd+AD), global_ocean.cs32x15 (4 fwd +4 AD),
674         tutorial_global_oce_in_p (fwd), tutorial_tracer_adjsens (AD)
675         and cpl_aim+ocn (used in ocean); to be fixed: bottom_ctrl_5x5.
676    o pkg/diagnostics:
677      - add diags for T & S tendency which goes through Adams-Bashforth.
678    
679    checkpoint63f (2011/11/30)
680    o pkg/obcs/obcs_calc_stevens.F:
681      - join some loops to reduce number of if-statements
682      - fix a bug in code for northern and southern boundaries.
683    o pkg/seaice/seaice_init_varia.F
684      - undo resetting UVM=0 that has slipped in unnoticed in r1.49 and
685        caused zero ice-velocities for the B-grid code
686    o pkg/seaice/seaice_init_fixed.F
687      - fix a bug in the initialisation of the second metric terms
688        k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0.
689      - this affects all seaice configurations with useCurviLinearGrid = .true.
690        and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms
691        = .true. (default)
692      - the only verification experiment affected is global_ocean.cs32x15:
693        icedyn, seaice, and seaice_dynmix (AD)
694    o pkg/thsice/thsice_diagnostics_state.F
695      - only for TARGET_NEC_SX: initialise all of tmpFld, so that overlap does
696        not contain garbage that can lead to surprises in diagstats_calc.F
697    o model/src:
698      - move bi,bj loops inside INTEGR_CONTINUITY ;
699      - call INTEGR_CONTINUITY directly from forward_step.F
700        (previously called from momentum_correction_step.F)
701      - call UPDATE_ETAH from integr_continuity.F and update initialise_varia.F,
702        forward_step.F and pkg/ecco/the_main_loop.F
703    o model/src/do_oceanic_phys.F:
704      - reset addMass to zero only if useICEFRONT ;
705      - separated k-loop for rhoInSitu calculation ;
706      - add 2 diagnostics for wVel*delta^k(Rho) at constant pressure (= WdRHO_P)
707        and at constant T,S (= WdRHOdP);
708      NOTE: change diagnostics WRHOMASS : this is now simply the Vertical transport
709        of In-Situ Density (Anomaly) (=wVel*rho^bar-k) (previously was Vertical
710        transport of locally-referenced potential density);
711        to recover old diag: (WRHOMASS)_old = (WRHOMASS)_new -1/2 * (WdRHOdP)
712    o gluemnc:
713      - replace ncrcat with ncks when adding variables to *.glob.nc
714      - change the way variables without record dimensions are handled so that
715        files that have variables with and without record variables can be glued:
716        add a record dimension with a new unique name to be able to differentiate
717        between variable with and without a-prior record dimensions. Remove
718        this record dimension before adding the variable to the *.glob.nc file.
719        This procedure automatically works also for grid.*.nc files that do not
720        have any record dimension.
721    o verification/cpl_aim+ocn:
722      - generate new reference output on baudelaire (gfortran, mpich2) (previously
723        from old aces-grid cluster, ao + ifort) and update 'run_cpl_test' script.
724    o pkg/obcs/obcs_calc_stevens.F:
725      - add code for northern and southern boundaries.
726      - reorder some loops to save some operations and so that drFBar can be scalar
727    o model/src:
728      - re-arrange extrapolation calculation in Adams-Bashforth S/R (affects machine
729        truncation) and add diagnostics for Adams-Bashforth tendency increment.
730      - update test-exp. AD output:
731        1D_ocean_ice_column, bottom_ctrl_5x5, lab_sea.noseaicedyn, obcs_ctrl;
732      and FWD output: exp4 (x3), fizhi-cs-32x32x40, fizhi-cs-aqualev20,
733        front_relax (x3), global_ocean.90x40x15 (x2), global_ocean.cs32x15 (x5),
734        global_ocean_ebm, ideal_2D_oce, internal_wave, isomip (x3), lab_sea (x4),
735        matrix_example, MLAdjust (x5), natl_box (x2), tutorial_advection_in_gyre,
736        tutorial_global_oce_in_p, tutorial_global_oce_latlon and
737        tutorial_plume_on_slope.
738    o pkg/diagnostics/diagstats_calc.F: add special code for TARGET_NEC_SX
739      that vectorises. This code uses 3 extra 2D fields, F90 array assignments
740      and F90 intrinsic routines SUM, MINVAL, MAXVAL, but since TARGET_NEC_SX
741      does not even come with an F77 compiler anymore, this should not be
742      a limitation
743    
744    checkpoint63e (2011/11/06)
745    o pkg/seaice adjoint of LSR:
746      - substantially rework STORE dirs.
747      - add new flag SEAICE_LSR_ADJOINT_ITER and parameter SOLV_MAX_FIXED
748        this flag will do SOLV_MAX_ITERS but only store SOLV_MAX_FIXED fields
749        and only perform SOLV_MAX_FIXED adjoint iters.
750        If flag SEAICE_LSR_ADJOINT_ITER is undef-ined, the store in the iteration
751        always goes to same record, meaning that the last forward field will be
752        the one used in the adjoint - an approximation.
753      - now produces non-zero LSR-related gradients, and acceptable gradients for
754        An's zonal (x-z) test case (to be checked in)
755      - lab_sea: produces acceptable gradients for lab_sea with forward/backward LSR
756        (but these are screwed up by the thermodynamics in the first place);
757        reduce from 4 to 3 timesteps to avoid t.d. issue as temporary solution;
758        output_adm.txt also reflects changes to seaice_lsr
759      - global_ocean.cs32x15:
760        * the "default" input_ad.seaice has been re-defined to always exclude dynamics
761          (output_adm.seaice.txt was updated)
762        * new input_ad.seaice_dynmix tests a forward LSR / backward free-drift
763          (output_adm.seaice_dynmix.txt)
764    o test-exp. exp4+stevens:
765      - switch off pTracers and nonHydrostatic (restart problems with NH); update output
766    o pkg/seaice (lsr solver):
767      - put coriolis term into FORCEX,Y (as in seaice_evp.F; previously in rhsU,V only);
768        update output (change truncation) of FWD test exp lab_sea & global_ocean.cs32x15
769      - fix SEAICEuseFREEDRIFT for new OBCS version (ndef OBCS_UVICE_OLD)
770      - new parameter "LSR_mixIniGuess" allows (if=2,4) to mix free-drift solution
771        into initial guess for linearised solver; use weight ~ (1/err)^2,4.
772      - compute (with new S/R) and print initial (+ free-driff sol. if available)
773        and final residual of linearised system.
774    o pkg/pp81: add diagnostics for vertical eddy viscosity and diffusivity
775      (requires new subroutines pp81_init_fixed.F/pp81_diagnostics_init.F)
776    o pkg/obcs: Stevens BCs (still only for east and west)
777      - fix Stevens BCs by using intermediate velocities of previous
778        time step as "baroclinic" contribution rather velocity of one grid cell
779        inside the boundaries; more consistent but makes the entire treatment
780        more complicated, requires new pickup files and two new S/Rs:
781        obcs_copy_uv_n and obcs_save_uv_n
782        keep old version with flag OBCS_STEVENS_USE_INTERIOR_VELOCITY
783        (undefined by default)
784      - silently move computation of some grid factors into separate loops to
785        save some recomputations
786      - add a hack for non-linear free surface
787      - add a verification experiment to exp4 that tests this code
788    o make gluemnc/xplodemnc work with (moron) non-GNU shell tools
789    
790    checkpoint63d (2011/10/25)
791  o pkg/obcs + seaice-dynamics:  o pkg/obcs + seaice-dynamics:
792    - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before    - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before
793      solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB      solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB
# Line 24  o pkg/layers: Line 808  o pkg/layers:
808  o pkg/dic:  o pkg/dic:
809    - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add    - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add
810      carbonate computation/output to CALC_PCO2_APPROX      carbonate computation/output to CALC_PCO2_APPROX
811    o pkg/generic_advdiff
812      - make TAF generate code that vectorizes:
813        gad_dst3fl_adv_*.F, gad_u3c4_impl_r.F
814  o model/src:  o model/src:
815    - improve vectorization also for adjoint code of    - improve vectorization also for adjoint code of
816      solve_tridiagonal and solve_pentadiagonal. As this requires up to      solve_tridiagonal and solve_pentadiagonal. As this requires up to
817      5 new 3D-fields, this code is only turned on for the combination of      5 new 3D-fields, this code is only turned on for the combination of
818      ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX.      ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX. Also remove error message
819        for singular matrix check (only for TARGET_NEC_SX).
820    - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to    - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to
821      ALLOW_AUTODIFF. This flag now needs to be set outside of      ALLOW_AUTODIFF. This flag now needs to be set outside of
822      solve_tri/pentadiagonal.F      solve_tri/pentadiagonal.F
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