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revision 1.1461 by jmc, Wed Jun 22 02:31:29 2011 UTC revision 1.1616 by jmc, Sun Mar 11 20:02:40 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 verification/lab_sea (fwd):
8      - update the 4 fwd lab_sea test experiment: no longer SEAICE_GROWTH_LEGACY,
9        use 7 categories (except hb87), new solve4temp params (except salt_plume),
10        constant salinity (=4) or variable salinity (salt_plume) done through
11        SItracer.
12    o pkg/seaice:
13      - rename parameters: SIsalFrac to SEAICE_saltFrac & SIsal0 to SEAICE_salt0;
14      - remove old parameters ( SEAICE_freeze, SEAICEturbFluxFormula, SEAICE_gamma_t,
15         SEAICE_gamma_t_frz, SEAICE_availHeatTaper & SEAICE_availHeatFracFrz)
16        from SEAICE_PARMS.h ; still need to fix seaice_cost_sst.F (broken when
17        SEAICE_freeze got retired) but already better than previously with
18        SEAICE_freeze=123456.7 deg.C;
19      - move setting of facOpenGrow/Melt from SEAICE_INIT_FIXED to SEAICE_READPARMS
20        (safer multi-threaded setting); always set SEAICEuseEVP;
21      - setting of ocean-ice turb. flux coeff: moved from SEAICE_CHECK to
22        SEAICE_READPARMS & SEAICE_INIT_FIXED (this fixes wrong summary report);
23        stop if multiple specifications for the same coeff; make sure default
24        SEAICE_mcPheePiston is compatible with drF(1) & deltaT.
25    o pkg/obcs:
26      - allow to switch to upwind 1rst order advection scheme for the advective
27        flux computation at the open-boundary; disabled for adjoint built.
28    o pkg/ptracers:
29      - rename PTRACERS_RESTART.h -> PTRACERS_START.h
30      - rename ptracers_fields_blocking_exchanges.F -> ptracers_fields_blocking_exch.F
31      - add parameter to decide when to start a tracer; use internal flag to
32        know which tracer to step-forward; switch this internal flag at the top
33        of forward_step.F (new S/R PTRACERS_SWITCH_ONOFF); for now, not enabled
34        for adjoint built.
35    o pkg/seaice:
36      - add SEAICE_SIZE.h anywhere in the code where SEAICE.h is included ;
37      - move MULTDIM declaration and setting from SEAICE.h to SEAICE_SIZE.h ;
38      - keep experiment offline_exf_seaice truly single category (set MULTDIM=1).
39    o pkg/ecco:
40      - fix writing of output file DiagnosCost_ClimSalt/Theta
41        and DiagnosCost_DriftSalt/Theta (if multi-tiles per proc).
42    o pkg/seaice:
43      - add missing initialisation of COR_ICE array in dynsolver.F
44      - merging SEAICE_MULTICATEGORY define and undef cases. Now the same code is
45        compiled either way, and is tested in all exps (multidim was only tested
46        in lab_sea ad before).
47      - cosmetic change to prepare for future addition of ITD. no change to results.
48        no defaults change.
49      - added run time param SEAICE_multDim (7 for SEAICE_MULTICATEGORY, 1 otherwise).
50      - by lack of adequate verification experiments, I further used custom versions
51        of global_ocean.cs32x15 to test multicat or not, with pickup or not. All
52        should be correct.
53      - avoid recomputations in ad.
54    o array initialisation in adjoint mode:
55      1) pkg/mom_common/mom_calc_ke.F:
56        add full array initialisation of KE inside mom_calc_ke.F (ALLOW_AUTODIFF_TAMC):
57        The S/R which calls MOM_CALC_KE initialises KE but in some recomputation
58        part this initialisation is gone, resulting in Floating Point Exception
59        (caught by open64 compiler with debug option).
60      2) model/src/convective_weights.F
61        set output convectCount over the full array range (instead of doing
62        an update): this fix a similar issue when called within recomputation (adjoint)
63        which could by-pass the initialisation (normally done in the caller S/R).
64    o pkg/seaice:
65      - final version of turbulent flux params, as agreed at MIT ice meet:
66           SEAICE_mcPheePiston (default is ~ 0.000875)
67           SEAICE_mcPheeTaper (default is 0.)
68           SEAICE_frazilFrac (defualt is 1.)
69           SEAICE_mcPheeStepFunc (default is false)
70      - changes results at trunction error level
71      - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo
72    o added pkg/frazil:
73      - see frazil_description.tex for details
74      - verification experiment is global_with_exf/input.yearly; changes output.yearly.txt
75    o pkg/shelfice/shelfice_thermodynamics.F
76      - fix exponents for velocity dependent exchange coefficients: change
77        from 2/3(=0) to 0.66666666666666667
78      - move computation of velocity dependent exchange coefficients into
79        separate loop, so that it applies to both thermodynamics
80      - move some divisions by constants out of loops
81    
82    checkpoint63j (2012/02/16)
83    o pkg/seaice:
84      - overhaul of seaice_summary.F after feb 2012 clean-up of seaice_growth.F etc.
85      - SItracer:  added run time params, and allow coupling to ocn salinity.
86    o pkg/seaice: remove (almost) all divisions by constants within loops
87      in seaice_growth.F and seaice_solve4temp.F, this changes (only) the cg2d
88      results of global_ocean.cs32x15.seaice from 16 to 11 digits (but only
89      those, caused by 1/QI -> recip_QI) -> update output.seaice.txt,
90      output_adm.seaice_dynmix.txt and also lab_sea: output_adm.evp.txt
91    o pkg/seaice :
92      - simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula
93        = 1 or 2, using newly added run time parameter SEAICE_availHeatTaper.
94      - fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148.
95      - add permanent SItflux diag that corresponds to TFLUX but includes
96        ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget.
97      - allow activation/testing of a fix for suspected missing term in
98        ocn-ice heat budget (to be confirmed). To test this, you want to
99        undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param
100        SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic.
101      - no change in results, fwd or ad.
102    o global_ocean.cs32x15/results: 3 changes following from the pkg/seaice commit below:
103      - switch to variable freezing point.
104           Results change : cg2d -> 1 digits; ad -> 3-6-6 digits.
105      - bug fix : the sublimation term that was missing is now activated.
106           Results change : cg2d -> 2 digits; ad -> 8-6-6 digits.
107      - bug fix : flooding sign term for SIsal0.NE.0.
108           Result change : cg2d -> 8 digits; ad -> 11-12-9 digits.
109    o pkg/seaice:
110      - unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT
111        is now the default, and the old default constant freezing point is recovered
112        with SEAICE_tempFrz0    = -1.96,
113             SEAICE_dTempFrz_dS = 0.,
114      - retire SEAICE_freeze (= the old way of specifycing the constant freezing point)
115      - remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there.
116      - bug fix (thanks to M. Losch) : the sublimation term that was missing is now
117        activated. To reproduce old results with this bug define SEAICE_DISABLE_SUBLIM.
118      - bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211)
119        was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail).
120      - bug fix (thanks to O. Jahn) : area loss for melting  got messed up in
121        seaice_growth r149 for legacy branch (no results change).
122      - introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code
123        from I. Fenty).
124      - results did not change except for global_ocean.cs32x15, mostly due to the
125        switch to variable freezing point (see above item for detail).
126    o pkg/thsice:
127      - fix and simplify interface to salt_plume pkg ; diagnose directly amount of
128        seawater freezing in thsice_calc_thickn (not used).
129    o pkg/seaice: turbulent flux term specification via run time params.
130      - replace CPP switches with run time switches to facilitate testing
131      - retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX,
132                       GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR
133      - added runtime parameter : SEAICEturbFluxFormula
134      - move Mcphee constants to SEAICE_PARAMS.h
135      - seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula;
136                 SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply);
137                 remove seaice_summary call (moved to seaice_init_fixed)
138      - seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on
139        SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms)
140      - seaice_summary.F : add missing report of read turbulent flux term set up
141                           and SITRACER.
142      - seaice_check.F : check range; inform and stop if retired CPPs are used
143                         (incl. SEAICE_AGE).
144      - seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without
145             CPP switch, same computation as before for the different options.
146      - change results at the truncation level.
147    o pkg/seaice:
148      - remove un-used parameters LAD & MAX_TICE ; add new run-time parameters:
149        useMaykutSatVapPoly (default=F), postSolvTempIter (default=2) and
150        SEAICE_wetAlbTemp (default=-1e-3). Remove option SEAICE_SOLVE4TEMP_LEGACY.
151      - update verification/*/input*/data.seaice:
152        to reproduce previous results with former #defined SEAICE_SOLVE4TEMP_LEGACY
153        code, set useMaykutSatVapPoly=T & postSolvTempIter=0 ;
154        and to reproduce previous results with former non-SOLVE4TEMP_LEGACY code,
155        set SEAICE_wetAlbTemp=0 & SEAICE_snowThick=0.
156    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY):
157      - remove LEGACY code for solving for tsurf (A1,A2,A3) but maintain the same
158        algorithm (same choice: useMaykutPolySatVap=T, postSolvTempIter=0);
159        difference in results only due to machine truncation.
160      - remove MAX_TICE (tsurf is always =< TMELT anyway); keep MIN_TICE if using
161        MaykutPolySatVap; keep MIN_LWDOWN.
162      - adapt SEAICE_MODIFY_GROWTH_ADJ code (untested) to non-legacy formulation.
163      - update output of verification exp. lab_sea (4 fwd: 11 cg2d digits except hb87,
164        + 3 AD: 6 digits except evp) and offline_exf_seaice.seaice (12 digits).
165    o pkg/salt_plume:
166      - isolate saltPlumeFlux array exch into a specific S/R called from
167        do_oceanic_phys.F
168      - add interface to pkg/salt_plume (filling of saltPlumeFlux) in pkg/thsice.
169    o verification:
170      - move untested set-up to MITgcm_contrib/verification_other.
171    o pkg/seaice:
172      - retire old way of SEAICE_AGE. Now replaced with ALLOW_SITRACER.
173    o pkg/seaice:
174      - seaice_solve4temp.F (keeping results unchanged):
175        * add 2 future run-time params to select which saturation vapor pressure
176          formula is used and how post-iteration fluxes are set.
177          Temporary set these 2 params according to option SOLVE4TEMP_LEGACY;
178        * New piece of code (not used) to update surf. atmos. heat flux F_ia using
179          the linearized expression to stay consistent with tsurf finding.
180      - seaice_freedrift.F avoid floating exception in sqrt(y) since y=sqrt(x*x)-x
181        can be < 0.
182    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY undef):
183      - remove from F_ia (and from it's derivative dFiDTs1) the contribution of
184        conductive heat flux F_c , and add it explicitly when updating tsurf as
185        solution of: Fc = Fia + d/dT(Fia - Fc) *delta.tsurf
186        so that now F_ia has a consistent meaning through the entire routine.
187        This causes differences at truncation level: update output of fwd exp.
188        global_ocean.cs32x15.seaice.
189    o pkg/seaice:
190      - lots of editing/cleaning in seaice_solve4temp.F + better documentation
191        of arrays, sign/direction of fluxes; no effect on results.
192      - replace hard coded 273.16 (=previous value of celsius2K) by celsius2K
193        in seaice_budget_ocean.F & seaice_solve4temp.F (SOLVE4TEMP_LEGACY part);
194        note: this should have been done before changing celsius2K default.
195      - to keep results unchanged, add back old value of celsius2K in verification
196        exp. input*/data : lab_sea (AD), offline_exf_seaice (fwd+AD) & seaice_obcs
197      - replace hard coded seawater freezing temp in seaice_solve4temp.F (part
198        SOLVE4TEMP_LEGACY) of 271.20 (=previous value of celsius2K + default
199        value of SEAICE_freeze) by celsius2K+SEAICE_freeze so that seawater
200        freezing temp is consistent with value in seaice_growth.F ; this causes
201        differences at machine truncation level: update lab_sea AD output (3/4).
202    o pkg/seaice:
203      - mask (in exf_init_fixed.F) atemp,aqh,evap,precip,runoff,lwflx,areamask
204        and climsst/sss even when using seaice (to prevent calculation that might
205        use SST on land); does not affect any verification exp.
206      - apply mask to taux,tauy (in seaice_get_dynforcing.F); update output
207        of lab_sea.fd & lab_sea.hb87 and global_ocean.cs32x15.seaice_dynmix.
208    o pkg/seaice/seaice_growth.F: add mask to avoid non-zero ice thickness
209      over land (non-legacy code)
210    o vectorize salt_plume package:
211      - add extra code to salt_plume_frac and salt_plume_tendency_apply_s
212      - this code computes plumebk everywhere (also over land), thus requires
213        code to avoid divisions by zero and catch the case of kLev=Nr.
214      - efficiency of salt_plume_frac is still sub-optimal
215    o tools (genmake2):
216      - fix makefile NAME specification (option: -makefile NAME) by adding
217        "-f $MAKEFILE" in few places where it was missing including makedepend
218        command (contribution from Paul).
219    
220    checkpoint63i (2012/01/24)
221    o model/src:
222      - add factorized versions of some EOS code to find_rho.F,
223        define USE_FACTORIZED_EOS to turn it on (default for TARGET_NEC_SX)
224    o model/src:
225      - add celsius2K to namelist PARM01; remove unused recip_rhoNil from PARAMS.h;
226      - change default celsius2K from 273.16 to 273.15
227      - to keep results unchanged, add back old value of celsius2K in verification
228        exp. input*/data : aim.5l_cs, 1D_ocean_ice_column, lab_sea (fwd),
229         global_ocean.cs32x15(seaice) & cpl_aim+ocn(input_atm).
230    o model/src: add a little initialisation trick to find_rho.F and find_alpha.F
231      to make TAF generate vectorizable code
232    o pkg/seaice/seaice_evp.F: add code (copied from CICE) that avoids underflows.
233       Turn on by defining SEAICE_EVP_ELIMINATE_UNDERFLOWS. Most compilers
234       have flags that do this more efficiently.
235    o pkg/diagnostics/diagstats_calc.F
236      - for TARGET_NEC_SX fix the treatment of the scaling factor tmpFac=scaleFact
237    o pkg/obcs (with exch2):
238      - derive OB indices in overlap region from OB-InsideMask (in obcs_init_fixed.F)
239        and remove code (in obcs_readparms.F) which was based on EXCH of indices
240        (through buffer) and did not account for exch2 (e.g., CS-grid) topology.
241    o pkg/exf and seaice exp:
242      - change offline_exf_seaice.seaicetd test exp. to use default DIFF1 value (=0)
243        so that switching off area & heff advection flags does not affect results.
244      - change default EXF_LWDOWN_WITH_EMISSIVITY to #define in EXF_OPTIONS.h
245      - keep exp. seaice_obcs & 1D_ocean_ice_column(ad) unchanged (using #undef
246        EXF_LWDOWN_WITH_EMISSIVITY) and, using pkg/exf default emissivities, update
247        results of verification experiments: 1D_ocean_ice_column(fwd),
248        global_ocean.cs32x15.seaice(fwd+ad) & seaice_dynmix(ad), lab_sea (all 8)
249        and offline_exf_seaice (all 4).
250    o pkg/seaice:
251      - remove array YNEG, RIVER, TMIX (replaced by local var) from common block;
252        remove also areaNm1 & hEffNm1 when SEAICE_GROWTH_LEGACY is undef.
253      - fix bug: areaNm1 & hEffNm1 are needed in seaice_growth (SEAICE_GROWTH_LEGACY)
254        but were not filled when resp. SEAICEadvArea=F & SEAICEadvHeff=F and
255        not multi-dim advection;
256      - fix seaice_growth.F to compile with both SEAICE_GROWTH_LEGACY and
257        SHORTWAVE_HEATING #undef.
258    o optim: make Makefile more robust (?)
259    o pkg/obcs:
260      * fix treatment of obcs_read_pickup for TAF
261    o pkg/shelfice:
262      * add missing initialisation of num_shifwflx
263      * new adjoint verification exp. for isomip
264      * change Prandtl and Schmidt numbers from generic formulations
265        (in terms of model diffus. and visc.) to separate runtime
266        parameters, with Holland and Jenkins (1999) default values.
267    o pkg/exf (interpolation):
268      - extended input field (2 rows) near the N & S poles:
269        * fill in with the symetric value (when even Nb of data in longitude)
270        * add average value at the poles only for scalar quantities ; for vector
271          component interpolation, skip the averaging and keep duplicated values,
272          unless the 2 components have same location (uvInterp=T) in which case
273          interpolate the 2 components together using S/R EXF_INTERP_UV.
274      - new S/R EXF_INTERP_UV to interpolate the 2 components of a vector field
275        together: this allows to account properly for local orientation when
276        averaging at N & S pole.
277      - add CPP option EXF_USE_OLD_INTERP_POLE to recover old results regarding
278        exf-interpolation near N & S poles. Undef by default.
279      - add debug check/print on 1rst iter if debugLevel >=2.
280    o pkg/exf:
281      - change masking flags definition (no longer "parameter"), put them in
282        common block and set them in S/R EXF_INIT_FIXED.
283      - change recognized masking flag from s,u,v to c,w,s since the mask
284        to use (maskC,W,S) depends on position on model grid and has little to
285        do with scalar/vector difference; fix masking if using P-coordinates.
286      - fix masking of wind-stress (was wrong if interpolated or read on A-grid)
287        and update results of exp. global_with_exf (x2).
288      - fix setting of zenith-angle table when SHORTWAVE_HEATING is undef.
289    o pkg/obcs
290      - S/R obcs_calc_stevens: fix a small bug (gammat -> gammas where appropriate)
291    o pkg/exf (interpolation):
292      - assume periodicity in X only if input field cover full longitude range.
293      - improve search for lat. index (supposed to be faster, in ~log2(ny) steps,
294        and should vectorise).
295      - fix input lat of the 2 added row (in case we provide N.pole data).
296    
297    checkpoint63h (2011/12/30)
298    o pkg/seaice:
299      - change declaration of UVM from _RL to _RS in order to get B-grid
300        uIce,vIce monitor when _RS = real*4
301    o pkg/offline:
302      - new S/R OFFLINE_RESET_PARMS for resetting main-model params (switch off flags);
303      - compute vertical velocity if not read from file (switch on exactConserv
304        & staggerTimeStep);
305      - fix output of ptracer monitor iter & time for default PTRACERS_monitorFreq.
306    o verification:
307      - update grid-files (in tutorial_held_suarez_cs/input and fizhi-cs-32x32x40/input)
308        with grid-angle generated using "utils/matlab/cs_grid/cubeCalcAngle.m":
309        fix Pb in yG definition @ 2 missing corners (previously yG was averaged);
310      - update output of exp. global_ocean.cs32x15.viscA4 after changing
311        grid-file angles (used here for coriolis-3d);
312      - remove (or gzip) few files not needed to run fizhi-cs experiments.
313    o pkg/exf (vector interpolation):
314      - rotate vector component toward local grid-axis orientation using grid-angles
315        (stored in GRID.h) instead of locally computed rotation angle; keep old code
316        available with exf option EXF_USE_OLD_VEC_ROTATION (undef by default).
317    o pkg/seaice:
318      - allow to compile with exf options ALLOW_ATM_TEMP or ALLOW_DOWNWARD_RADIATION
319        undefined. Fix and remove the stop when ALLOW_RUNOFF is undefined.
320    o pkg/PKG_OPTIONS.h files:
321      - move #include "CPP_OPTIONS.h" just after #include "PACKAGES_CONFIG.h",
322        outside of the #ifdef ALLOW_THISPKG / #endif block.
323      - update verification/*/code/PKG_OPTIONS.h files.
324    o add a verification experiment (offline_exf_seaice/input.seaice) that test
325      the B-grid LSOR solver
326    o pkg/seaice: sort out emissivity and long wave radiation step 2:
327      - add emissivity for snow and ice as new run-time parameters
328        (unfortunately) that default to the corresponding exf values; this
329        changes results in most verification experiments so that for backward
330        compatibility these parameter have to be set explicitly to inconsistent
331        values (ugly);
332      - the exf-flag EXF_LWDOWN_WITH_EMISSIVITY then gets rid off the hard-wired
333        emissivities of 0.97 associated with lwdownloc in S/R seaice_solve4temp
334        until we agree how to handle this bug properly
335    o pkg/exf (interpolation):
336      - add a set of run-time param ({inputfield}_interpMethod), one for
337        each interpolated input field, to select the interpolation method
338        with a value of zero switching off the interpolation;
339      - print interpolation parameters to standard output;
340      - refine exf_check.F accordingly ; stop if USE_NO_INTERP_RUNOFF is defined
341        (to use instead runoff_interpMethod=0 in data.exf).
342      - simplify default setting of interpolation parameters (for all fields,
343        set position to match model grid cell-center position, leading to trivial
344        interpolation in case of regular Lat-Lon grid) and fix for the case of
345        non-uniform delY.
346    o pkg/exf/exf_radiation.F: add the factor ocean_emissivity to lwdown, for
347       within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.
348       this factor is absolutely required, because the lw exitance (= out-going
349       long wave radiation) is emissivity*stefanBoltzmann*T^4 + rho*lwdown,
350       where the reflectivity rho = 1-emissivity for conservation reasons. Once
351       this is established, we can remove the CPP-Flag (if we want to).
352    o pkg/seaice:
353      - qualify a stop statement in S/R seaice_check: EXF_READ_EVAP and
354        ALLOW_BULKFORMULAE are only required if SEAICE_EXTERNAL_FLUXES is defined
355      - sort out emissivity and long wave radiation, step 1: make SEAICE_emissivity
356        what the name implies (and not emissivity*BoltzmannConstant), this means
357        the old default value of 5.5e-8 now means
358        5.5e-8/5.670e-8 = 0.97001763668430343479 as ocean_emissivity in
359        S/R exf_readparms
360      - FV-discretization of the B-grid LSOR solver, turn on with
361        SEAICE_LSRBNEW. This new solver also involves a slight re-organization
362        of the calling routine dynsolver, so that B and C-grid code look a
363        little more alike.
364      - fix index bugs in ostres.F (B-grid code)
365    o pkg/seaice/seaice_ocean_budget.F: change (unused) code to make it look better
366    o pkg/seaice/seaice_readparms.F: make ocean_emissivity*stefanBoltzmann the
367      default for SEAICE_emissivity, if useEXF; requires setting a wrong
368      parameter value in global_ocean.cs32x15/input.seaice/data.seaice for
369      backward compatiblity
370    o model/src: use sigmaR in calc_ivdc
371    
372    checkpoint63g (2011/12/16)
373    o pkg/seaice/seaice_growth.F:
374      fix heat conservation of the coupled ocean-seaice system.
375      when SEAICE_HEAT_CONSERV_FIX is defined, the mismatch of
376      solid vs liquid water treatment is resolved via QNET.
377    o pkg/seaice/seaice_growth.F:
378      add missing term for sublimation in saltFlux, which was breaking conservation.
379    o pkg/seaice/seaice_model.F:
380      Remove this patholigical case treatment in evolution branch,
381      where it is un-necessary and breaks conservation.
382      Update global_ocean.cs32x15/results accordingly for
383      output.seaice.txt output_adm.seaice.txt and output_adm.seaice_dynmix.txt
384    o model/src:
385      useRealFreshWaterFlux: remove masking of EmPmP (using maskInC) in
386      external_forcing_surf.F and apply mask directly in S/R SOLVE_FOR_PRESSURE.
387    o pkg/obcs:
388      modify Stevens boundary conditions so that S/R obcs_calc_stevens computes
389      tendency for temperature and salinity that is then applied to update
390      theta and salt in S/R obcs_apply_ts; this requires proper masking of all
391      horizontal advection and diffusion contributions on the boundary (in
392      S/Rs gad_advection, gad_calc_rhs, gmredi_rtransport, gmredi_calc_diff), and
393      removing the mask in S/R timestep_tracer. The advantage of this approach is
394      that the updated tracer values include contributions from the surface
395      forcing and vertical diffusion.
396      This modification changes exp4.stevens because of vertical diffusion.
397    o model/src:
398      change non-curvilinear grid setting to also work with exch2 + blank tiles:
399      - move delX,delY to new header file (SET_GRID.h) and adjust length to 1rst
400        face dimensions.
401      - new S/R INI_LOCAL_GRID to define model tile-local grid (using same units
402        as delX,delY) and called from S/R INI_CARTESIAN_GRID, INI_CYLINDER_GRID
403        and INI_SPHERICAL_POLAR_GRID.
404      change test-experiment global_ocean.90x40x15:
405      - split the domain in many more tiles (9x4 tiles of 10x10 each);
406      - switch to exch2 and remove 1 blank-tile (but only for MPI test).
407      - update results of both test (std & dwnslp).
408    o pkg/diagnostics/diagstat_calc.F: fix problem with non-initialised halos in
409       tmp-fields for TARGET_NEC_SX at the cost of extra loops and less vectorisation
410    o model/src:
411      - take sigma-coords related code out of update_etah.F into new S/R UPDATE_ETAWS
412        and fix initialisation when using sigma-coords.
413    o model/src:
414     - improve Gael's changes from Jan 14, 2011 "addition of an 'update' of hfacc etc.
415       to their current value at the beginning of forward_step.F": add a new run-time
416       switch "doResetHFactors" (default=false) and use it to do (or not) the resetting.
417     - set doResetHFactors=T in the following test exp:
418        global_ocean.90x40x15/input (rStar) & input.dwnslp (linFS),
419        global_ocean.cs32x15/input.seaice (rStar), hs94.cs-32x32x5/input.impIGW (linFS)
420        and tutorial_global_oce_in_p (nonLinFS in p)
421    o pkg/ecco
422      - added IES cost term
423    o verification/advect_xz
424      - scale down the depth by 1/100 (from 200 km to just 2.km)
425      - add secondary test using divergent flow, r-star and implicit vertical advection.
426      - add note (check_conserve_TS.txt) and matlab script to check global
427        conservation of T & S with NonLin-FreeSurf and Adams-Bashforth.
428    o pkg/rbcs:
429      - add missing relaxUFile & relaxVFile in namelist (in rbcs_readparms.F).
430    o pkg/obcs (Stevens BCs):
431      - fix various problems in the phase speed computations of the Stevens
432        boundary conditions:
433        - sign error for western and southern boundaries,
434        - time tendencies were underestimated by factor of dTracerLev and some just
435          zero (for multidim advection schemes) -> now estimate time tendencies
436          from difference between previous (n) time level and the one before (n-1);
437          this requires storing a field per tracer per boundary, also in the pickup
438          files.
439        - replace deltaTmom in cflMer/Zon computation with dTracerLev
440        - set default phase velocity to cflMer/Zon
441      - update verification experiment exp4.stevens
442    o pkg/generic_advdiff (implicit_r):
443      - fix implicit vertical advection conservation with AB and/or NonLin-FreeSurf
444        (remove Tr*d/dz(w) in gad_implicit_r.F and add it in gad_calc_rhs.F);
445      - fix implicit vertical diffusion or advection with NonLin FreeSurf
446        (was using current recip_hFacC instead of future recip_hFacC): set future
447        recip_hFac in thermodynamics.F and pass & use it in all vertical implicit
448        solver S/R ;
449      - fill diagnostics of vertical advective fluxes (computed from tendency)
450        when using implicit vert. advection;
451      - update output of exp that uses NonLin-FreeSurf & implicit vertical diffusion:
452         global_ocean.90x40x15 (fwd+AD), global_ocean.cs32x15 (4 fwd +4 AD),
453         tutorial_global_oce_in_p (fwd), tutorial_tracer_adjsens (AD)
454         and cpl_aim+ocn (used in ocean); to be fixed: bottom_ctrl_5x5.
455    o pkg/diagnostics:
456      - add diags for T & S tendency which goes through Adams-Bashforth.
457    
458    checkpoint63f (2011/11/30)
459    o pkg/obcs/obcs_calc_stevens.F:
460      - join some loops to reduce number of if-statements
461      - fix a bug in code for northern and southern boundaries.
462    o pkg/seaice/seaice_init_varia.F
463      - undo resetting UVM=0 that has slipped in unnoticed in r1.49 and
464        caused zero ice-velocities for the B-grid code
465    o pkg/seaice/seaice_init_fixed.F
466      - fix a bug in the initialisation of the second metric terms
467        k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0.
468      - this affects all seaice configurations with useCurviLinearGrid = .true.
469        and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms
470        = .true. (default)
471      - the only verification experiment affected is global_ocean.cs32x15:
472        icedyn, seaice, and seaice_dynmix (AD)
473    o pkg/thsice/thsice_diagnostics_state.F
474      - only for TARGET_NEC_SX: initialise all of tmpFld, so that overlap does
475        not contain garbage that can lead to surprises in diagstats_calc.F
476    o model/src:
477      - move bi,bj loops inside INTEGR_CONTINUITY ;
478      - call INTEGR_CONTINUITY directly from forward_step.F
479        (previously called from momentum_correction_step.F)
480      - call UPDATE_ETAH from integr_continuity.F and update initialise_varia.F,
481        forward_step.F and pkg/ecco/the_main_loop.F
482    o model/src/do_oceanic_phys.F:
483      - reset addMass to zero only if useICEFRONT ;
484      - separated k-loop for rhoInSitu calculation ;
485      - add 2 diagnostics for wVel*delta^k(Rho) at constant pressure (= WdRHO_P)
486        and at constant T,S (= WdRHOdP);
487      NOTE: change diagnostics WRHOMASS : this is now simply the Vertical transport
488        of In-Situ Density (Anomaly) (=wVel*rho^bar-k) (previously was Vertical
489        transport of locally-referenced potential density);
490        to recover old diag: (WRHOMASS)_old = (WRHOMASS)_new -1/2 * (WdRHOdP)
491    o gluemnc:
492      - replace ncrcat with ncks when adding variables to *.glob.nc
493      - change the way variables without record dimensions are handled so that
494        files that have variables with and without record variables can be glued:
495        add a record dimension with a new unique name to be able to differentiate
496        between variable with and without a-prior record dimensions. Remove
497        this record dimension before adding the variable to the *.glob.nc file.
498        This procedure automatically works also for grid.*.nc files that do not
499        have any record dimension.
500    o verification/cpl_aim+ocn:
501      - generate new reference output on baudelaire (gfortran, mpich2) (previously
502        from old aces-grid cluster, ao + ifort) and update 'run_cpl_test' script.
503    o pkg/obcs/obcs_calc_stevens.F:
504      - add code for northern and southern boundaries.
505      - reorder some loops to save some operations and so that drFBar can be scalar
506    o model/src:
507      - re-arrange extrapolation calculation in Adams-Bashforth S/R (affects machine
508        truncation) and add diagnostics for Adams-Bashforth tendency increment.
509      - update test-exp. AD output:
510        1D_ocean_ice_column, bottom_ctrl_5x5, lab_sea.noseaicedyn, obcs_ctrl;
511      and FWD output: exp4 (x3), fizhi-cs-32x32x40, fizhi-cs-aqualev20,
512        front_relax (x3), global_ocean.90x40x15 (x2), global_ocean.cs32x15 (x5),
513        global_ocean_ebm, ideal_2D_oce, internal_wave, isomip (x3), lab_sea (x4),
514        matrix_example, MLAdjust (x5), natl_box (x2), tutorial_advection_in_gyre,
515        tutorial_global_oce_in_p, tutorial_global_oce_latlon and
516        tutorial_plume_on_slope.
517    o pkg/diagnostics/diagstats_calc.F: add special code for TARGET_NEC_SX
518      that vectorises. This code uses 3 extra 2D fields, F90 array assignments
519      and F90 intrinsic routines SUM, MINVAL, MAXVAL, but since TARGET_NEC_SX
520      does not even come with an F77 compiler anymore, this should not be
521      a limitation
522    
523    checkpoint63e (2011/11/06)
524    o pkg/seaice adjoint of LSR:
525      - substantially rework STORE dirs.
526      - add new flag SEAICE_LSR_ADJOINT_ITER and parameter SOLV_MAX_FIXED
527        this flag will do SOLV_MAX_ITERS but only store SOLV_MAX_FIXED fields
528        and only perform SOLV_MAX_FIXED adjoint iters.
529        If flag SEAICE_LSR_ADJOINT_ITER is undef-ined, the store in the iteration
530        always goes to same record, meaning that the last forward field will be
531        the one used in the adjoint - an approximation.
532      - now produces non-zero LSR-related gradients, and acceptable gradients for
533        An's zonal (x-z) test case (to be checked in)
534      - lab_sea: produces acceptable gradients for lab_sea with forward/backward LSR
535        (but these are screwed up by the thermodynamics in the first place);
536        reduce from 4 to 3 timesteps to avoid t.d. issue as temporary solution;
537        output_adm.txt also reflects changes to seaice_lsr
538      - global_ocean.cs32x15:
539        * the "default" input_ad.seaice has been re-defined to always exclude dynamics
540          (output_adm.seaice.txt was updated)
541        * new input_ad.seaice_dynmix tests a forward LSR / backward free-drift
542          (output_adm.seaice_dynmix.txt)
543    o test-exp. exp4+stevens:
544      - switch off pTracers and nonHydrostatic (restart problems with NH); update output
545    o pkg/seaice (lsr solver):
546      - put coriolis term into FORCEX,Y (as in seaice_evp.F; previously in rhsU,V only);
547        update output (change truncation) of FWD test exp lab_sea & global_ocean.cs32x15
548      - fix SEAICEuseFREEDRIFT for new OBCS version (ndef OBCS_UVICE_OLD)
549      - new parameter "LSR_mixIniGuess" allows (if=2,4) to mix free-drift solution
550        into initial guess for linearised solver; use weight ~ (1/err)^2,4.
551      - compute (with new S/R) and print initial (+ free-driff sol. if available)
552        and final residual of linearised system.
553    o pkg/pp81: add diagnostics for vertical eddy viscosity and diffusivity
554      (requires new subroutines pp81_init_fixed.F/pp81_diagnostics_init.F)
555    o pkg/obcs: Stevens BCs (still only for east and west)
556      - fix Stevens BCs by using intermediate velocities of previous
557        time step as "baroclinic" contribution rather velocity of one grid cell
558        inside the boundaries; more consistent but makes the entire treatment
559        more complicated, requires new pickup files and two new S/Rs:
560        obcs_copy_uv_n and obcs_save_uv_n
561        keep old version with flag OBCS_STEVENS_USE_INTERIOR_VELOCITY
562        (undefined by default)
563      - silently move computation of some grid factors into separate loops to
564        save some recomputations
565      - add a hack for non-linear free surface
566      - add a verification experiment to exp4 that tests this code
567    o make gluemnc/xplodemnc work with (moron) non-GNU shell tools
568    
569    checkpoint63d (2011/10/25)
570    o pkg/obcs + seaice-dynamics:
571      - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before
572        solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB
573        values (consistent with an implicit method).
574      - add option OBCS_UVICE_OLD (in OBCS_OPTIONS.h, defined by default) to
575        return to older implementation (same results as before); note that none of
576        the "experimental" OBCS_SEAICE options are implemented in the new version.
577      - switch test exp. seaice_obcs to use new version (update output).
578    o pkg/seaice:
579      - add few stop (B-grid & CS-exch, B-grid & obcs, AUTODIFF & SEAICE_maskRHS)
580      - add parenthesis in Water-Ice drag calculations (evp & lsr);
581      - in seaice_lsr.F, simplify and fix AA3 setting in case sNx or sNy=1;
582        and fix case SEAICE_waterDrag=0 (but unstable if no or little seaice)
583      - update output of test exp lab_sea that uses evp or lsr (fwd+ad)
584        and global_ocean.cs32x15 (icedyn & seaice fwd+ad).
585    o pkg/layers:
586      - Include potential density as new coordinate (Thanks to David Munday)
587    o pkg/dic:
588      - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add
589        carbonate computation/output to CALC_PCO2_APPROX
590    o pkg/generic_advdiff
591      - make TAF generate code that vectorizes:
592        gad_dst3fl_adv_*.F, gad_u3c4_impl_r.F
593    o model/src:
594      - improve vectorization also for adjoint code of
595        solve_tridiagonal and solve_pentadiagonal. As this requires up to
596        5 new 3D-fields, this code is only turned on for the combination of
597        ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX. Also remove error message
598        for singular matrix check (only for TARGET_NEC_SX).
599      - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to
600        ALLOW_AUTODIFF. This flag now needs to be set outside of
601        solve_tri/pentadiagonal.F
602    o pkg/exf:
603      - fix previous modif in exf_readparms.F (revision 1.66: treatment of
604        optional namelist EXF_NML_OBCS).
605      - add many debug-print (to trace down where pkg/cal error msg comes from)
606    o pkg/mom_vecinv/mom_vi_hdissip.F
607      - rearrange loops so that vectorization is improved and in particular
608        the adjoint routine vectorizes. The code is a little longer now, but I
609        think easier to read.
610        Note: CPP-flag MOM_VI_ORIGINAL_VISCA4 is not tested.
611    o pkg/seaice:
612      - allow to specify initial seaice velocity from files (uIceFile,vIceFile)
613    o pkg/exch2:
614      - alternative code (without tile x tile matrix) for cumulated (global) sum;
615        used as default; keep using matrix version in adjustment.cs-32x32x1.
616    o tools/build_options:
617      - after merging some MPI and/or multi-threads specific optfiles so that
618        the modified default optfile support both built (using genmake2 -mpi
619        for the MPI built, using genmake2 -omp for OpenMP built),
620        move now obsolete optfiles to tools/build_options/unsupported/
621       (add copy of email sent to support list in doc/optfiles_changes.txt)
622    
623    checkpoint63c (2011/09/28)
624    o pkg/ebm:
625      - fix ebm_zonalmean.F for several procs in Ydir (nPy > 1); update output of
626        test exp. global_ocean_ebm (affects machine truncation, 12 digits for cg2d)
627    o pkg/seaice (SItracer pickup)
628    * Simple code for pickup of SItracer fields (#define ALLOW_SITRACER)
629      To be done:
630      - thorough testing of missing fields in S/R seaice_read_pickup
631      - thorough matching between generic tracers and specific fields used
632        (e.g. volume-weighted age, area-weighted age, salinity, ...)
633    o pkg/grdchk:
634      - all procs calculate and print finite-difference gradient (for testreport)
635      - change description output used by testreport;
636      - AD testing: also compare and report Finite-difference gradient;
637        => update all output_adm*.txt
638    o test exp. global_ocean_ebm:
639      - switch back useRealFreshWaterFlux (no problem anymore with run-off);
640        and turn on exactConserve; update (fwd) output.
641    o pkg/seaice (LSR):
642      - print to STDOUT number of solver iterations at SEAICE_monFreq interval.
643      - modify solver to deal cleanly with u/v switch at face edges (CS-grid):
644        * identical results with non-CS topology (but save up to half of EXCH calls)
645        * no much changes in cs-32 verification tests since no ice at face edges
646         (differences due to convergence criteria, since nb of iterations changed)
647        * expect some differences on lat-lon-cap grid.
648        update FWD results of global_ocean.cs32x15 test exp. (icedyn & seaice)
649    o pkg/exch2:
650      - add new CPP option to disable Cumul-Sum matrix (to save storage when using
651        many tiles); until alternative coding is added, just add a stop.
652    o pkg/kpp:
653      - move ptracer/salt correction to KPP diffusivity from calc_3d_diffusivity.F
654        to S/R KPP_CALC_DIFF_PTR (+ add tracer-index to argument list).
655    o optfiles:
656      - merged few MPI specific (*+mpi*) and multi-threads specific (*+mth) optfiles
657        into corresponding standard one, which now support different build:
658        (when using "genmake2 -mpi" for MPI built, "genmake2 -omp" for OpenMP built)
659      - add "darwin_amd64_gfortran" optfile (initially from Constantinos, tested by Gael)
660    o pkg/obcs (seaice):
661      - add missing EXCH for uIce,vIce after applying OBCS;
662      - remove S/R EXF_SWAPFFIELDS_X/Y , disable S/R EXF_SET_OBCS_X/Y by adding
663        argument = number of levels to S/R EXF_SWAPFFIELDS_XZ/YZ and S/R
664        EXF_SET_OBCS_XZ/YZ ; update obcs_exf_load.F;
665      - fix EXF_SET_OBCS_XZ/YZ for multi-threaded (assuming loaded arrays are shared)
666      - verification exp. seaice_obcs: split domain in 2 tiles ; add SIZE.h_mpi
667        and eedata.mth for MPI and mutlti-threaded testing.
668    o pkg/flt:
669      - make FLT EXCH working with multi-threads (and MPI + multi-threads);
670      - use buffer for floats IO (trajectories & profiles); size set in FLT_SIZE.h;
671      - fix pickup and trajectories + profiles output with multi-threads;
672      - add parameter to select group of fields to write along trajectory and
673        profile (default unchanged);
674      - only call PORT_RAND* function when flt_noise <> 0;
675      - add multi-threaded test for verification exp. flt_example.
676    o eesupp/src:
677      - fix S/R ALL_PROC_DIE for MPI+multi-threads.
678      - USE_OMP_THREADING: check that number of threads (from eedata) matches
679        actual number (from env.var. setting).
680    o pkg/ebm:
681      - fix multi-threading in ebm_area_t.F ; clean-up EBM.h header file.
682      - add multi-threaded test for verification exp. global_ocean_ebm
683    
684    checkpoint63b (2011/08/29)
685    o pkg/ebm:
686      - fix sign of runoff;
687      - update directly forcing fields (Qnet,EmPmR) to use standard
688        external_forcing_surf.F (remove ebm_forcing_surf.F);
689      - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
690      - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
691        and apply relaxation towards corresponding SST field (2-D map or ZonAver).
692      - update global_ocean_ebm parameters file data and update output (fwd+ad).
693    o verification/matrix_example:
694      - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
695        MPI and mutlti-threaded testing.
696    o pkg/matrix:
697      - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
698      - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
699      - fix for multi-threaded (remove DATA statement);
700      - use standard DIFFERENT_MULTIPLE function;
701      - add MATRIX_OPTIONS.h
702    o verification/matrix_example:
703       To allow to split the domain in several tiles, change the domain size
704        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
705        Western side) of land points.
706    o (*_)write_pickup:
707      - fix few bugs in mypackage_read/write_pickup.F
708      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
709        array of length 1 (was caught by compiler syntax-check).
710    o pkg/diagnostics (velocity potential solver):
711      - fix initialisation of main diagonal matrix (for overlap values)
712    o tools/build_options:
713      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
714        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
715      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
716        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
717        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
718        and use "-devel" testreport option for standard testing on baudelaire.
719    o pkg/grdchk:
720      - Assume that all gradient-check position are within the same tile
721        corresponding to global indices (iGloTile,jGloTile) and that
722        positions (i,j indices or nbeg) are local to this tile;
723      - set tile local-indices and proc. number according to tile global-indices;
724      - remove grdchkwhichproc from namelist (retired param);
725      - send adjoint gradient to all procs so that all procs print it to STDOUT;
726      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
727    o adding package bbl (Bottom Boundary Layer)
728      description in MITgcm/pkg/bbl/bbl_description.tex
729      example/test experiment in MITgcm_contrib/bbl
730    o adjoint verifications
731      - changed 5 experiments to multi-tiles
732        * global_ocean.90x40x15
733        * obcs_ctrl
734        * offline_exf_seaice
735        * tutorial_dic_adjoffline
736        * tutorial_tracer_adjsens
737        changed reference output for those that crossed tile boundaries
738        (changed choices of gradient check positions)
739      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
740      - temporary bug fix in grdchk_loc.F for obcs
741    o genmake2 & testreport
742      - add target "obj" (just for OBJFILES files) to Makefile;
743      - add option to specify FEXTRAFLAGS on command line.
744    o pkg/mypackage:
745      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
746    
747    checkpoint63a (2011/08/02)
748    o pkg/diagnostics (velocity potential):
749      - fix velocity-potential calculation when using OBCS: balance net inflow
750        at each level (new S/R OBCS_DIAG_BALANCE).
751      - fix some of the problems with OBCS in stream-function calculation.
752    o pkg/exf/exf_readparms.F
753      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
754        EXF_NML_OBCS) more consistent, so that you need not have these lists
755        in data.exf when they are not used.
756    o optim/optim_readdata.F:
757      - add some output about obcs variables that might help debugging
758      - add a check about nvarlength
759    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
760    o pkg/diagnostics (velocity potential):
761      - fix mask for OBCS (still problems in stream-function with OBCS);
762      - add specific parameter (default = main code CG2D params) for solver;
763      - in case of poor convergence, use solution corresponding to lowest residual.
764    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
765      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
766      and should be avoided where possible.
767    o model/src (rStar):
768      - include r* effect on reference-state (PhiRef) in totPhiHyd
769        (so that it's really the potential anomaly at the cell center);
770        affect solution only if z* with full pressure in EOS.
771      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
772        update output (because of z* in totPhiHyd and viscA4 changes);
773      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
774        @ constant r) until interpolation at constant r is implemented.
775    o pkg/diagnostics
776      - fix RCENTER diagnostics in case cell center is not at interface middle
777    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
778      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
779      that THETA and SALT are "conservative temperature" and "absolute
780      salinity"
781    o pkg/ctrl
782      - fix computation of endrec in s/r ctrl_init_rec
783      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
784    o pkg/seaice/seaice_growth.F
785      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
786        remove then obsolete STORE directives
787      - fix STORE directives for tice and tices, so that only the
788        appropriate part of the fields are stored (and not the entire
789        field); update global_ocean.cs32x15.seaice AD output.
790      - cosmetic changes: adjust CPP flags and indentation for better
791        legibilty
792    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
793      Chris Wilson)
794    o pkg/gmredi:
795       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
796       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
797    
798    checkpoint63  (2011/07/11)
799    o pkg/exch2:
800     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
801     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
802       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
803       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
804    o pkg/diagnostics:
805     - deal with pairs of post-processed diags which are computed together; in
806       particular, re-order list of diags within 1 file to save 2nd computation.
807     - add S/R to compute velocity stream-function (called after velocity-potential
808       calculation) from divergence free transport -> new diagnostics "PsiVEL".
809     - add parameter to select grid-point location where PsiVEL == 0.
810    o eesupp/src:
811       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
812       (specific S/R needed with exch2 topology - for now, just print an error msg)
813    o pkg/shelfice
814     - Implement friction velocity-dependent transfer coefficients following
815       Holland and Jenkins, JPO, 1999
816       Original code by M. Losch with small modifs.
817       Enable with CPP option SHI_ALLOW_GAMMAFRICT
818       and runtime flag SHELFICEuseGammaFrict
819    o verification lab_sea & global_ocean.cs32x15:
820     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
821       does not miss some dependencies (but is slower) and also works with many files
822       (default makedepend limitation for AD built).
823     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
824    o pkg/diagnostics:
825     - add run-time parameter "useMissingValue" (def=False) to fill land-point
826        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
827       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
828     - Extend the use of "missing_value" setting from data.diagnostics for the case
829       of counter-diagnostics (where fraction-weight is zero). This applies both to
830       MNC and MDS output files.
831    o pkg/seaice/seaice_growth.F:
832      - add 'a priori' cap of latent heat flux based on actual mass considerations
833        when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
834        non-legacy seaice_solve4temp.
835      - add diagnostic of the residual sublimation freshwater flux (the freshwater
836        flux taken from the ocean if the total actual latent heat fluxes exceed
837        the maximum)
838      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
839       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
840      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
841       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
842      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
843      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
844    o verification 1D_ocean_ice_column:
845       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
846       update results
847  o pkg/diagnostics:  o pkg/diagnostics:
848   - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')   - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
849     which are not filled-up but computed from other diags ; In this case, the mate     which are not filled-up but computed from other diags ; In this case, the mate
850     diag points to the primary (filled-up) diag to used for post processing.     diag points to the primary (filled-up) diag to used for post processing.
851   - Update Velocity-potential computation using post-processed diag framework.   - Update Velocity-potential computation using post-processed diag framework.
852     ==> Change the ordering of fields and time-periods in MDS output file
853       when using periodic averaging: now writes one time record with the full set
854       of fields for this time period, then the next time reccord (it used to be
855       one field with the full set of time records then the next field).
856         Note: this is now similar to NetCDF (MNC) output file. <==
857    
858  checkpoint62z (2011/06/21)  checkpoint62z (2011/06/21)
859  o adjoint monitor:  o adjoint monitor:
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