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revision 1.1535 by mlosch, Thu Nov 17 12:52:17 2011 UTC revision 1.1724 by jmc, Sat Aug 25 00:07:09 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 tools/genmake2:
8      - improve error msg when failing in 2nd test of check_for_broken_Ff
9      - fix option '-makefile' short-name (-mf according to genmake2 -help)
10      - source local config file "genmake_local" just after processing the genmake2
11        command arguments (previously done before processing arg).
12    o pkg/grdchk:
13      - add a call to TURNOFF_MODEL_IO for Tangent-Linear run (in this case, call
14        to this routine from cost_final has been dropped in g_cost_final)
15      - improve printed information (more explicit msg, no longer using "print *,"
16         fix fcpertminus printed value).
17    o model/src:
18      - move call to COST_INIT_VARIA out of packages_init_variables.F directly
19        into initialise_varia.F (just after calling PACKAGES_INIT_VARIABLES):
20        this prevents getting cost-funct reset in adinitialise_varia recomputations.
21    o pkg/dic:
22      - move initialisation of "freefe" array from from dic_biotic_forcing.F to
23        fe_chem.F: this prevents TAF from dropping this initialisation in TLM code.
24    o pkg/grdchk:
25      - grdchk_main.F : added CALL GLOBAL_SUM_INT( ierr , myThid )
26      - grdchk_getadxx.F etc. : omit I/O if ierr.EQ.0
27    o pkg/autodiff/ctrl/grdchk :
28      - attempt to sort out what works and what does not,
29        with regard to I/O, and to warn/stop accordingly.
30    o pkg/grdchk:
31      - attempt to fix grdchk in the case of useSingleCpuIO.
32      - "if ( myProcId .EQ. grdchkwhichproc .AND. ierr .EQ. 0 )"
33       statements were moved from grdchk_main.F and into
34       grdchk_getadxx.F grdchk_getxx.F grdchk_setxx.F.
35      - a global sum is applied to record numbers icvrec/layer
36       out of grdchk_loc so that they be passed to I/O routines.
37    o pkg/smooth:
38      - fix recomputation that appeared with nlfs : use smooth_recip_hFacC,
39        smooth_hFacW, smooth_hFacS (copied at init_fixed) in 3d case.
40    o verification/testreport:
41      - add option '-tlm' for Tangent-Linear test (-adm,-oad,-tlm are all exclusive);
42      - can also use compressed (gzip) reference output file;
43      - change format (in pkg/grdchk) of TLM output (+ add forward gradient)
44        to be easier to collect by testreport.
45      - update existing TLM output (half out-of-date by more than 3 yrs).
46      - report NETCDF & LAPACK settings (from genmake2) in output dir.
47      - report run-time in each individual summary (previously only for AD test);
48        for TLM test, add also TAF version.
49      - add daily TLM test on (old) aces cluster + weekly test on baudelaire.
50    
51    checkpoint63r (2012/08/15)
52    o tools/genmake2:
53      - fix Makefile for target ftlall (+ update files to clean after make ftlall)
54    o pkg/ecco/ecco_cost_final.F :
55      - fix fc print statements (to stdout and costfunction0000) so
56        that the printed value is always after the global sum.
57    o pkg/seaice/seaice_dynsolver.F :
58      - fix ice strength assymptote at SEAICE_area_max<1
59        (no change for the standard case of SEAICE_area_max=1)
60    o some cleaning:
61      - pkg source files: ensure that all *.F files from each pkg included the
62        corresponding ${PKG}_OPTIONS.h file (except stand-alone src file which
63        only includes CPP_EEOPTIONS.h); fix S/R CTRL_SMOOTH ; update AD experiment
64        code_ad/*.F src files; add new option-file in pkg/admtlm + corresponding
65        includes;
66      - model/src: add PACKAGES_CONFIG.h wherever ALLOW_AUTODIFF[_TAMC] is used.
67      - ALLOW_DIFFKR_CONTROL: add a stop in S/R CTRL_CHECK in case ALLOW_3D_DIFFKR
68        is undef; also define /DYNVARS_DIFFKR/ common block in DYNVARS.h when
69        ALLOW_DIFFKR_CONTROL is defined, to allow to compile and reach this stop.
70      - update option-file CPP_OPTIONS.h of all AD experiments:
71        * no longer include PACKAGES_CONFIG.h ;
72        * includes ECCO_CPPOPTIONS.h if PACKAGES_CONFIG.h has been included ;
73        * def/undef ALLOW_3D_DIFFKR independently of ALLOW_DIFFKR_CONTROL (before
74          including ECCO_CPPOPTIONS.h).
75    o pkg/cost, pkg/ctrl, pkg/ecco option-file:
76      - clean-up and split content of old pkg/ecco/ECCO_CPPOPTIONS.h file into
77        separated pkg option-file (done according to old doc from ECCO_CPPOPTIONS.h,
78        not necessary accurate).
79      - add a template for option-file ECCO_CPPOPTIONS.h, mostly empty, in
80        pkg/autodiff, i.e., the 1rst pkg to compile for adjoint built, with lines to
81        deliberately break compilation (a remainder that it needs to be customized)
82      - in pkg/ecco, includes ECCO_OPTIONS.h instead of COST_OPTIONS.h
83      - rename COST_CPPOPTIONS.h to COST_OPTIONS.h
84      - rename CTRL_CPPOPTIONS.h to CTRL_OPTIONS.h
85    o tools/genamke2:
86      - check for lapack.
87    o pkg/cost and pkg/ecco : attempt to sort out some of the limiting intricacies.
88      - pkg/cost.cost_final.F : allow for use of pkg/ecco and pkg/cost cost functions
89        jointly. The exclusive ifdefs were removed, to add costs terms (when defined)
90        from both packages.
91      - the fc global sum in pkg/ecco/ecco_cost_final.F was removed accordingly.
92      - for objf_atl we use either the pkg/ecco or the pkg/cost term depending on CPPs.
93      - pkg/ecco and model/src : add CPP brackets around pkg/cost and pkg/ctrl includes
94        of "CTRL_SIZE.h" "ctrl.h" "ctrl_dummy.h" "optim.h" / "cost.h" accordingly.
95    o pkg/cost : add comments to explain special and/or untested setups.
96    o pkg/exf:
97      - use EXF_OPTIONS.h to set pkg/exf options except if done in ECCO_CPPOPTIONS.h
98        (previously, ALLOW_AUTODIFF_TAMC was controling this switch).
99    o verification/*/code_ad:
100      mimimal cleaning of AD experiments ECCO_CPPOPTIONS.h option-file:
101      - reccord when this file is included (define ECCO_CPPOPTIONS_H)
102      - remove the most obvious obsolete features (e.g., #define ALLOW_COST not
103        allowed since Oct 2003 in any option-file except in PACKAGES_CONFIG.h)
104    o pkg/seaice :
105      - added possibility to change ice strength/PRESS0 relationship to
106        HEFF, according to the following run time parameters
107        SEAICEpresPow0 :: HEFF exponent for ice strength below SEAICEpresH0 (integer, >0)
108        SEAICEpresPow1 :: HEFF exponent for ice strength above SEAICEpresH0 (integer, >0)
109        SEAICEpresH0   :: HEFF threshold for ice strength            (m)
110    o pkg/ggl90 :
111      - added run time flag mxlSurfFlag to include the code that ensure
112        mixing between first and second level (previously included as a comment)
113    o verification/1D_ocean_ice_column/input_ad/data.autodiff :
114      - add test of newly added dumpAdByRec=T option where
115        we write all records to one file per variable.
116    o verification/global_ocean.cs32x15/code_ad/CPP_OPTIONS.h :
117      - switch to #define ALLOW_BALANCE_RELAX and ALLOW_BALANCE_FLUXES
118        to check that this code is ok with taf and compiles in adjoint.
119    o pkg/autodiff :
120      - added run time param dumpAdByRec : ad dump format switch.
121        If true then write all records to one file per variable.
122        Else write one file per record (remains the default).
123      - revise seaice_ad_dump.F and exf_adjoint_snapshots_ad.F accordingly.
124    o pkg/seaice:
125     - Added SEAICEuseTILT run time switch : if set to
126       false then omit the tilt term in seaice dynamics.
127     - Fix free drift calculation.
128    o pkg/shelfice:
129      When initializing SHELFICEDragQuadratic, set default to be
130      consistent with shiCdrag in case SHELFICEuseGammaFrict is used,
131      but retain option to set it independently
132      (inconsistenty spotted by Veronique Dansereau)
133    o eesupp/inc:
134      - in EEPARAMS.h, add real-type constant for some frequently used simple number
135         (0,1,2,1/2), with name explicitly referring to RS/RL type.
136    o model/src:
137      - move balancing of relaxation terms to new S/R balance_relax.F.
138    o pkg/autodiff:
139      re-write active I/O high-level (control) S/R:
140      - rename  S/R ACTIVE_READ/WRITE_RL to ACTIVE_READ/WRITE_3D_RL
141      - add 1 more argument (useCurrentDir) to replace the "_LOC" 2nd set of S/R.
142      - use standard pkg/mdsio I/O routines (MDS_READ/WRITE_SEC_XZ/YZ  and
143        MDS_READ/WRITE_FIELD); change loops to multi-threads.
144      - update and merge active_file_control_slice.flow into active_file_control.flow
145      - update the calls in lower level S/R (active_file.F, active_file_g.F and
146        active_file_ad.F) keeping the argument list and function unchanged.
147      - also update lower-level "_LOC" version (call same S/R with "useCurrentDir
148        =.TRUE.") and remove high-level (control) _loc version (not called anymore).
149      - new low-level active I/O routines, one for each type (RL/RS), for active var
150        of various (XY,XZ,YZ) shape and level number (arguments: arrShape, myNr);
151        fix ctrl_init_wet.F & ecco_cost_weights.F by calling the new S/R with the
152        right type.
153    o autodiff and RS=real*4:
154      - call the right type (_RS instead of _RL) of S/R in few output S/R (pkg/exf
155        ad-monitor and snapshots); disable arrType='RS' in mdsio_gl*.F ;
156      - change argument type of 3-D mask argument to _RS to match type in the call
157        (in seaice_cost*.F, ctrl_*_gen.F and *ctrl_bound.F); to be continued.
158    o pkg/thsice:
159      - re-anable balanceEmPmR when useSEAICE=T with useThSIce=T.
160      - option to correct ocean fresh-water flux for imbalance of Atmos+Land
161        fresh-water flux: uniform correction or proportional to local precip.
162    o pkg/ctrl:
163      - new header file CTRL_SIZE.h for parameters maxCtrlArr2D, maxCtrlArr3D
164      - redefine CPP option ALLOW_BOTTOMDRAG_CONTROL to
165                            ALLOW_BOTTOMDRAG_CONTROL_NONGENERIC
166      - verification/hs94.1x64x5/ tests ALLOW_GENARR{2D,3D}_CONTROL
167    
168    checkpoint63q (2012/07/30)
169    o pkg/autodiff:
170      note about monitor and snap-shot of ad-variables:
171      a) need to apply ADEXCH before monitor or output of ad-vars to include
172       overlap contributions (was done for adjDump but missing for monitor).
173      b) since ADEXCH implies adding overlap values to interior array, machine
174       truncation error is expected when adding an ADEXCH call in the middle of
175       the time-stepping (although mathematically identical).
176      modifs:
177      - fix some incorrect type (RL/RS, UV/scalar) in ADEXCH calls and ad-vars
178        declaration (adEddyPsiX,adEddyPsiY in adcommon.h).
179      - add new run-time params (dumpAdVarExch & mon_AdVarExch) to select how  to
180        apply ADEXCH before monitor or snap-shot of ad-variables:
181           =0 : no ADEXCH ; =1 : do ADEXCH ; =2 : apply ADEXCH on a local copy.
182      - implement new method (copy+adexch) for snap-shot and monitor of main model
183        ad-vars (initially not used by default -> output unchanged).
184      - change default (set to 2) to use new method and update few output_adm.txt
185        with accurate ad-monitor (global_ocean.90x40x15, tutorial_global_oce_biogeo
186        and both tutorial_tracer_adjsens tests).
187      - switch 2 global_ocean.cs32x15 AD-tests to AB-2 (seaice_dynmix & thsice)
188        and turn off momDissip_In_AB in the 2 other (needed for stable AB-3).
189    o pkg/ctrl:
190      enable the use of a variable number (maxCtrlArr2D, maxCtrlArr3D) of
191      generic control variables via
192      #define ALLOW_GENARR2D_CONTROL and/or #define ALLOW_GENARR3D_CONTROL
193      Only required customization should be S/R ctrl_map_ini_genarr.F
194      (routine in repository contains example)
195    o pkg/exf:
196      - fix and refine checking of surface-relaxation setting when using EXF
197    o verification (adjoint exp):
198      - reduce length of simulation by half for experiment global_ocean.cs32x15
199        (std, seaice & seaice_dynmix) and exp tutorial_dic_adjoffline; update output.
200    o pkg/mom_common (mom_u/v_bottomdrag), pkg/shelfice (shelfice_u/v_drag)
201      - replace if statements KE.ne.0 with KE.gt.0 to avoid sqrt of negative numbers
202        of KE that can occur with aggressive optimization
203      + put quadratic bottom drag calculation in separated loops (only done if
204        using bottomDragQuadratic)
205    o model/src: CG2D_NSA
206      - clean-up:  stop if cg2dNormaliseRHS=T and AUTODIFF
207         and replace GLOBAL_SUM calls with GLOBAL_SUM_TILE.
208      - in test-exp that uses CG2D_NSA (bottom_ctrl & tutorial_tracer_adjsens),
209         change cg2d residual target to be expressed in Wunits (=> do not normalise
210         RHS ; this fix global_max Pb with TAF); update output.
211    o verification/tutorial_tracer_adjsens:
212       improve parameter consistency (and get rid of warnings):
213       - use deltaTFreeSurf=deltaTtracer (better with NonLin FreeSurf);
214       - switch Temp Adv Scheme from 81 to 80 (no limiter since theta < 0 is physical)
215       - use staggerTimeStep (for stability) in som81; use default rotation period.
216    o pkg/exch2:
217      - with empty facet: fix compact-format (W2_mapIO=1) definition (was previously
218        reset to 0 = 1 long line in X)
219    o pkg/mdsio:
220      - fix reading of dimensions from meta file for large-size domain
221    o model/src:
222      - fix saltIsActiveTr setting for IdealGas eosType (eosType is 6 character long);
223      - to refine CS-grid check, add logical flag "hasWetCSCorners": true if using
224        Cubed-Sphere Exch with CS-corners inside the domain;
225        make new S/R INI_GLOBAL_DOMAIN from code in ini_linear_phisurf.F to calculate
226        globalArea and to set hasWetCSCorners.
227      - add warning if usingCurvilinearGrid and momAdvection in flux-form (missing
228        metric terms); stop if hasWetCSCorners=T and momAdvection in flux-form.
229      - re-activate the stop if useCDscheme and hasWetCSCorners=T (previously if
230        useCDscheme and useCubedSphereExchange).
231    o pkg/seaice/seaice_growth.F :
232      - compute the SEAICE_DISABLE_HEATCONSFIX term accordingly
233        for the (.NOT.useRealFreshWaterFlux).OR.(nonlinFreeSurf.EQ.0)
234        when the previous code was not correct.
235      - in all cases diagnoze the boundary condition mismatch to SIaaflux
236      - in the case of useRealFreshWaterFlux.AND.(nonlinFreeSurf.GT.0) add
237        that term to QNET (essentially to set the melt/freeze water to 0degC).
238        when SEAICEheatConsFix is true, so that the ocean+ice budget heat is closed.
239    o verification/global_ocean.cs32x15/input.seaice :
240      - add SEAICEheatConsFix in data.seaice, ensuring closed ocean+ice heat budget.
241      - add diagnostics (commented out) for budget test using my matlab codes (gcmfaces).
242      - update results (output.seaice.txt) accordingly.
243    o verification/lab_sea/input/data.seaice :
244      - remove SEAICEheatConsFix, which is now be tested
245        in global_ocean.cs32x15. The presently coded fix
246        is only consistent with real fresh water + nlfs.
247      - update results (output.txt) accordingly.
248    o pkg/salt_plume: added diagnotic for salt tendency (oceSPtnd).
249    o AD_CONFIG.h file:
250      - in genmake2: remove "#undef ALLOW_ECCO_OPTIMIZATION" from AD_CONFIG.h;
251      - remove #include "AD_CONFIG.h" from all included OPTIONS files and
252        add it explicitly in each fortran src file where it is needed.
253        motivation: header file AD_CONFIG.h is generated/modified after "make depend"
254        thus introducing potentially wrong dependency; therefore, better to include
255        it only where it's really needed, and after any other included OPTIONS file
256        (less tempting to bring conditional includes according to ALLOW_ADJOINT_RUN
257        or ALLOW_TANGENTLINEAR_RUN).
258    
259    checkpoint63p (2012/07/06)
260    o pkg/autodiff:
261      - rename S/R INI_AUTODIFF to AUTODIFF_INIT_VARIA ;
262      - create new header file "AUTODIFF_PARAMS.h" for pkg/autodiff parameters
263        which are now read from new parameter file "data.autodiff" (inAdExact
264        previously in "data", use{KPP/GMRedi/SEAICE}inAdMode previously in data.pkg)
265      - add file "data.autodiff" in all verification/*/input_ad/ directories.
266      - add run-time parameter to turn On/Off SEAICEuseFREEDRIFT in adjoint/forward
267        mode (used in global_ocean.cs32x15.seaice_dynmix test exp.)
268    o verification/tutorial_tracer_adjsens/
269      - add extra sub-verification which uses "SOM" advection scheme
270        (2nd Order-Moment Advection Scheme, Prather Limiter) with
271          #define GAD_ALLOW_TS_SOM_ADV in GAD_OPTIONS.h
272        and in data:
273          multiDimAdvection=.TRUE.,
274          tempAdvScheme=81,
275          saltAdvScheme=81,
276    o model/src:
277      - introduce ALLOW_BALANCE_RELAX which allow the removal
278       of the global mean of relaxation terms by setting
279       balanceThetaClimRelax and balanceSaltClimRelax
280      - disable balanceEmPmR and balanceQnet in the case when useSeaice.
281       This case is now treated appropriately in seaice_growth.F
282    o pkg/seaice:
283      - do balanceEmPmR and balanceQnet based on the net fluxes
284        (SItflux) that enter the ocean+ice system rather than QNET
285        and EMPMR. Works best in real fresh water.
286      - SIatmFW, SIatmQnet, and SItflux computations had to be moved
287        out of the diagnotics bloc, and stored in global arrays.
288    
289    checkpoint63o (2012/06/29)
290    o vertical mixing schemes:
291      - remove unused S/R CALC_BUOYANCY (left from branch-atmos merging)
292      - replace computation of density (in Function STATE1, opps_calc.F) by a call
293        to S/R FIND_RHO_SCALAR
294      - pass sigmaR to S/R PP81_CALC, MY82_CALC (but not yet used) and to GGL90_CALC
295        and use it for N^2 calculation in ggl90_calc.F (save 2 density computations);
296        affects output (vermix.ggl90) at truncation level.
297    o testreport:
298      - change adjustment of SIZE.h for mpi+mth testing: preserve enough tiles
299        (nSx,nSy) for the number of threads (from eedata.mth)
300    o model/src:
301      - remove 2nd set of calls at the top of initialise_varia.F (Adjoint part)
302        related to Non_Lin Free-Surf or Bottom-Control (but not longer necessary).
303    o verification/tutorial_tracer_adjsens/
304      - compile with ALLOW_CG2D_NSA
305      - run with nonlinFreeSurf=3
306      - update reference output_adm.txt
307    o tools/genmake2:
308      - add "-DHAVE_NETCDF" to the DEFINES list when NetCDF is available ;
309        refine usePROFILES switching off (only when NetCDF is not available).
310    o verification (atmospheric set-up):
311      - change eosType='IDEALGAS' to eosType='IDEALG' to match variable declaration
312    o pkg/profiles : refine profiles and files handling.
313    o model/src and pkg/ecco : introduce run-time switch usePROFILES.
314    o model/src/the_main_loop.F, forward_step.F and pkg/exf/EXF_OPTIONS.h :
315      - changes to use model/src/the_main_loop.F rather than the ecco version
316        in ecco type adjoint runs.
317    o model/src:
318      - move computation of recip of grid distance & area from INI_MASKS_ETC to INI_GRID
319      - move setting of h0Fac[C,W,S] from INI_LINEAR_PHISURF to INI_MASKS_ETC
320      - update_masks_etc.F: rename SMOOTH*_R4,R8 function to the corresponding type (RS,RL)
321    o model/src:
322      - fix S/R UPDATE_CG2D for ALLOW_DEPTH_CONTROL case (was empty before);
323        update output of test experiment bottom_ctrl_5x5.
324    o pkg/generic_advdiff:
325      - implement vertical bi-harmonic diffusion (for now, only for T & S and
326        only explicitly).
327    o verification/bottom_ctrl_5x5/
328      update reference output (results changed quite some time ago,
329      not sure when; but new reference results look ok in terms of grdchk)
330    o verification/1D_ocean_ice_column/
331      For verification purposes, the exact adjoint rather than an approx.
332      should be used (e.g., to comare against F.D. or TLM).
333      removed autodiff_inadmode*_ad.F routines in code_ad/
334      Update results/ accordingly.
335    o pkg/cal:
336      - change cal_getdate.F so that output date is function of input time only
337        (less ambiguous, not mixed up with input iteration number).
338      - fix calendarDumps for non-zero phase-lag (S/R CAL_TIME2DUMP).
339    o pkg/diagnostics:
340      - implement calendarDumps also for stats-diags
341      - implement calendarDumps also for snap-shot output (negative freq)
342      - for now, ignores calendarDumps if non-zero phase-lag.
343    
344    checkpoint63n (2012/06/04)
345    o model/src:
346      - recompute rSurfW & S to ensure consistent column thickness (needed for rStar)
347        between Sum_k(hFac*drF) and rSurf-rLow, for now only when using pkg/shelfice;
348      - use h0FacC, W & S to compute hFac_surfC, W & S in calc_surf_dr.F (more
349        similar to calc_r_star.F); update results of experiment internal_wave and
350        tutorial_global_oce_in_p (affected @ truncation level).
351    o pkg/shelfice:
352      - add parameterisation of advective-diffusive flux into the ice shelf
353        according to Holland and Jenkins (1999), eq.22-33, as suggested by Jan De Ryd
354      - simply eps3/3a computation
355    o eesupp:
356     - add new CPP option (DISCONNECTED_TILES) to disconnect tiles (no exchange
357       between tiles, just fill-in edges assuming locally periodic subdomain) and
358       add corresponding exchange subroutines (EXCH0);
359     - new CG-solver version (_EX0) for disconnected-tiles special case.
360    o model/src (CG-solvers):
361     - modify Single-Reduction version (CG2D_SR) in case cg2dMaxIters is reached
362       (similar final residual output and max-Iter number as with standard version);
363     - allows to store and use lowest-residual solution (standard & _SR versions);
364     - cleaning up (remove old, commented out code, LETS_MAKE_JAM ...).
365     - by default, also compile CG2D_SR version (define ALLOW_SRCG in CPP_OPTIONS.h)
366    o eesup/src:
367     - global_vec_sum.F cleaning: add a BARRIER ; update comments ; remove ndef
368       ALWAYS_USE_MPI (no longer needed after fixing usingMPI settings - March 2012)
369    o pkg/salt_plume added to lab_sea/input_ad.noseaicedyn
370    
371    checkpoint63m (2012/04/27)
372    o pkg/shelfice:
373     - account for partical cells in surface level below ice-shelf for hydrostatic
374       pressure calculion (set uniformFreeSurfLev to F); update isomip experiments.
375    o ad test experiments:
376     - update and rename to "ad_optfile.local" local AD-optfile specific to a
377       particular adjoint verification experiment (in verification/*/code_ad/)
378    o pkg/seaice & pkg/exf:
379     - Part two of ECCO-CLIVAR code merges.
380       Completes merge of seaice area relax. code.
381       Requires unified CPP option EXF_ALLOW_SEAICE_RELAX
382       to be set in EXF_OPTIONS.h since this pkg controls its I/O
383       (and avoids second CPP option in SEAICE_OPTIONS.h)
384     - change default value of costIceStart & costIceEnd to a valid date.
385     - add snowPrecip to HSNOW in seaice_growth
386    o pkg/ptracers:
387     - move ptracers summary and setup check into separated S/R ; add a check for
388       valid PTRACERS_Iter0 value (error+stop or just warning).
389    o pkg/cal (+ pkg/ecco):
390     - avoid calling a S/R with 2 times the same arg (FWD: unless both are only used
391       as input; and for AD, unless both are not differentiable (e.g., k index)).
392    o model/src:
393     - define internal flag "uniformFreeSurfLev" (=T when free-surface level-index
394       is everywhere k=1) to speed-up some calculations (by pass kSurf reference);
395       temporary set to usingZCoords value (to be changed to F when using shelfice).
396     - hydrostatic pressure: implement partial cell near the surface also for
397       Z-coordinates (for the case where uniformFreeSurfLev=F); replace test on
398       usingZCoords with test on uniformFreeSurfLev where needed (in NonHyd code).
399    o pkg/ctrl/ctrl_init.F:
400     - add a formal parameter to s/r ctrl_init_rec to print
401       xx_$(ctrl_valiable)_file for easier debugging
402     - move call of cal_* routines into the if-block where they are really
403       needed so that xx_$(ctrl_variable)_period can be 0 or -12 without having
404       to specify a startdate
405    o pkg/seaice:
406     - update comments in SEAICE_OPTIONS.h (+ similar update of lab_sea/code and
407       global_ocean.cs32x15/code versions).
408     - turn on seaice Multi-category (in data.seaice, SEAICE_multDim=7) for
409       verification experiment global_ocean.cs32x15.seaice and update results.
410    o pkg/exf:
411     - new S/R EXF_GETFIELD_START to return starting-time of a forcing field
412       (according to useExfYearlyFields).
413    o pkg/cal:
414     - move calendar setting & summary (previously in cal_readparams.F) into new
415       S/R CAL_INIT_FIXED to be called later in the initialisation process, once
416       length of the simulation is set (after SET_PARMS call); This is an attempt
417       to fix Pb when, e.g.: pkg/longstep, modifies the length of the run.
418     - For safety: keep a record of pkg/cal parameter settings status
419               to allow to STOP if one pkg/cal S/R is called too early.
420     - add a stop in all basic pkg/cal subroutines if called before setting is done.
421     - modify cal_getdate.F: stop when nothing was returned;
422       if called with myIter=-1, simply retrun modelBaseDate (1,2 = startDate_1,_2);
423       this allows to remove "cal.h" from seaice_read_parms.F & init_mnc_vars.F.
424    
425    checkpoint63l (2012/04/04)
426    o pkg/bbl:
427      - fix call to FIND_RHO_2D in bbl_calc_rho.F (case multi-tiles per proc);
428        update global_with_exf output.yearly.txt file.
429    o pkg/cal:
430      - start to clean-up cal_set.F ; fix for the case where baseTime is non-zero.
431      - remove 2 unsused and very short (1 line only) functions ;
432      - remove unsused subroutines from AD-Diff list.
433    o model/src:
434      - start to implement clean wait to stop in initialization S/R (config_check.F,
435         packages_check.F, ini_parms.F and pkg/obcs/obcs_check.F + pkg/mypackage)
436    o folowing PRINT_MESSAGE changes:
437      - remove reminder multiple print to the same file (STDOUT) when multi-threads.
438    o pkg/bbl:
439      - modification so it can work with z*
440      - replace deltaT with dTtracerLev(k) for asynchronous time stepping
441      - global_with_exf/input.yearly verification; changes output.yearly.txt
442    o eesupp/src:
443      - PRINT_MESSAGE: use OpenMP critical instruction (similar to PRINT_ERROR);
444        writing to unit 0 (if unit=errorMessageUnit) extended to the case myThid=1
445      - CHECK_THREADS: specific code if using OpenMP threading: improve checking of
446        # of threads across processors (e.g., different env OMP_NUM_THREADS setting)
447      - improve special preliminary call to EESET_PARMS (if eedata is read 2 times).
448      - when using MPI, always set usingMPI=T ; set default accordingly and stop
449        if not consistent.
450      - ALL_PROC_DIE: add a BARRIER after MPI_FINALIZE call ; skip this when thread
451        argument is zero (in case called within single-thread section).
452    o pkg/fizhi:
453        clean-up turbulence cold-start switch: decided in fizhi_init_vars.F, stored
454        in common bloc (fizhi_coms.h) and then passed as argument up to S/R TURBIO.
455    o pkg/exch2:
456      - add argument "updateCorners" to S/R exch2_get_uv_bounds (enable to
457        activate EXCH_IGNORE_CORNERS in vector EXCH S/R).
458      - switch 1rst EXCH call to IGNORE_CORNERS (instead of UPDATE_CORNERS)
459        but keep the 2nd with UPDATE_CORNERS: this prevents overwriting good data
460        with bad ones coming from a not-yet-updated halo.
461        This should fix the problem when sNx <> sNy and GCD(sNx,sNy) < 2*Olx.
462    o pkg/frazil:
463        move FrzForcT diag from frazil_diagnostics_state.F to frazil_calc_rhs.F
464        http://mitgcm.org/pipermail/mitgcm-devel/2012-March/005384.html
465    o model/src/config_check.F: add a check for OLx>sNx/OLy>sNy
466    o verification/lab_sea
467      * #undef SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING
468      * #define ALLOW_SST_CONTROL & ALLOW_SST_CONTROL
469      * nTimeSteps 3 -> 4
470      * changed reference output accordingly
471    o pkg/ctrl:
472      * fix ctrl_get_gen for xx_sst, xx_sss
473    o pkg/fizhi:
474      - fix 2 calls to S/R GRD2MSC (argument igrd) in update_earth_exports.F
475        update results of exp. fizhi-cs-32x32x40 (fail with only 6 digits for cg2d)
476      - by default, use new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE);
477        fix few out-of-bounds indices in referencing vars (initialise igrd to 1);
478        clean-up fizhi_turb.F (remove unused & uninitialised qdiaglsm array).
479    o pkg/gmredi:
480      - add diagnostic of Redi (main diagnonal) vertical diffusive flux of Temp
481    o pkg/fizhi:
482      - fix few initialisation and multi-tile Pb: aqualev & gridalt now pass the
483        (old)aces open64 tuv test.
484    o pkg/icefront: fix bug and reorder loop in icefront_init_varia.F
485    o pkg/mom_vecinv:
486      - fix 1 loop range in mom_vecinv.F to be like all the other loops which
487        set/update gu,gv/Diss (fix Pb of uninitialised fVerUkp in admom_vecinv
488        with non-lin free-surf).
489    o model/src: move k-loop outside of i/j-loops when (re-)computing R_low
490      in ini/update_masks_etc.F in order to avoid -O3 optimization problems with
491      some compilers (gfortran 4.6.0 on MacOS)
492    o momentum:
493      - separate fVer?(:,:,kUp) & fVer?(:,:,kDown) in argument list of MOM_FLUXFORM
494        & MOM_VECINV subroutines (to help TAF). This fixes Pb of uninitialised
495        fVer?(kUp) in admom_fluxform with non-lin free-surf or bottom control.
496    
497    checkpoint63k (2012/03/17)
498    o model/src:
499       - selectAddFluid (ALLOW_ADDFLUID): add missing term in horizontal momentum
500         flux-form (mom_fluxform.F) and vertical momentum (calc_gw.F) equations.
501       - SOLVE_DIAGONAL: switch default to use adjoinable & vectorized version
502         (#undef SOLVE_DIAGONAL_LOWMEMORY); update output of exp. front_relax.bvp.
503    o model/src: solve_*diagonal.F
504       - replace division with multiplication by inverse (similar to original version)
505         update output of AD exp. global_ocean.90x40x15.
506       - fix pkg/gmredi/gmredi_calc_psi_bvp.F & pkg/ggl90/ggl90_calc.F
507         to enable the use of the vectorized & differentiable solve_tridiagonal.F
508       - test exp. global_ocean.90x40x15/input_ad: switch to advection scheme 20 for
509         vertical advection (to get solve_tridiagonal tested in AD mode).
510    o pkg/seaice: ECCO-CLIVAR merge:
511      1. seaice AREA relaxation
512         * CPP option: SEAICE_ALLOW_AREA_RELAXATION
513         * runtime flag: SEAICE_tauAreaObsRelax
514      2. modified global mean cost imbalance code: CPP option
515          ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION
516    o another iteration on solve_*diagonal.F
517       Make choices independent of AUTODIFF
518       Default will be the adjoinable vectorized version.
519       Alternative choices are:
520       * non-adjoinable original version with low memory footprint:
521         #define SOLVE_DIAGONAL_LOWMEMORY
522       * still adjoinable but does not vectorize (k as inner-most loop):
523         #define SOLVE_DIAGONAL_KINNER (keeping SOLVE_DIAGONAL_LOWMEMORY undef)
524    o testreport
525     - add option to use a home made wrapper around "make"
526     - remove MITGCM_IEEE env. variable (no longer active)
527    o pkg/shelfice
528     - improve computation of friction velocity for velocity dependent
529       exchange coefficients: include velocities into SHELFICEBoundaryLayer
530       block to average velocities vertically
531     - add TAF store directives for SHI_ALLOW_GAMMAFRICT
532    o Modify diagonal solvers, now three versions (upon request):
533      #ifndef SOLVE_DIAGONAL_AUTODIFF
534        1. default version (dating back a while ago)
535      #else /* def SOLVE_DIAGONAL_AUTODIFF */
536      # ifdef SOLVE_DIAGONAL_KINNER
537        2. adjoinable version with k-innermost loop (G. Forget)
538      # else
539        3. adjoinable vectorized version of 2.
540      # endif
541      #endif /* SOLVE_DIAGONAL_AUTODIFF */
542      All flags are currently set within routines, but could/should be moved to CPP-options.
543      Array bounds for 1. are as before, for 2.,3. cover the entire domain
544      (could be changed for 1. too).
545    o verification/lab_sea (fwd):
546      - update the 4 fwd lab_sea test experiment: no longer SEAICE_GROWTH_LEGACY,
547        use 7 categories (except hb87), new solve4temp params (except salt_plume),
548        constant salinity (=4) or variable salinity (salt_plume) done through
549        SItracer.
550    o pkg/seaice:
551      - rename parameters: SIsalFrac to SEAICE_saltFrac & SIsal0 to SEAICE_salt0;
552      - remove old parameters ( SEAICE_freeze, SEAICEturbFluxFormula, SEAICE_gamma_t,
553         SEAICE_gamma_t_frz, SEAICE_availHeatTaper & SEAICE_availHeatFracFrz)
554        from SEAICE_PARMS.h ; still need to fix seaice_cost_sst.F (broken when
555        SEAICE_freeze got retired) but already better than previously with
556        SEAICE_freeze=123456.7 deg.C;
557      - move setting of facOpenGrow/Melt from SEAICE_INIT_FIXED to SEAICE_READPARMS
558        (safer multi-threaded setting); always set SEAICEuseEVP;
559      - setting of ocean-ice turb. flux coeff: moved from SEAICE_CHECK to
560        SEAICE_READPARMS & SEAICE_INIT_FIXED (this fixes wrong summary report);
561        stop if multiple specifications for the same coeff; make sure default
562        SEAICE_mcPheePiston is compatible with drF(1) & deltaT.
563    o pkg/obcs:
564      - allow to switch to upwind 1rst order advection scheme for the advective
565        flux computation at the open-boundary; disabled for adjoint built.
566    o pkg/ptracers:
567      - rename PTRACERS_RESTART.h -> PTRACERS_START.h
568      - rename ptracers_fields_blocking_exchanges.F -> ptracers_fields_blocking_exch.F
569      - add parameter to decide when to start a tracer; use internal flag to
570        know which tracer to step-forward; switch this internal flag at the top
571        of forward_step.F (new S/R PTRACERS_SWITCH_ONOFF); for now, not enabled
572        for adjoint built.
573    o pkg/seaice:
574      - add SEAICE_SIZE.h anywhere in the code where SEAICE.h is included ;
575      - move MULTDIM declaration and setting from SEAICE.h to SEAICE_SIZE.h ;
576      - keep experiment offline_exf_seaice truly single category (set MULTDIM=1).
577    o pkg/ecco:
578      - fix writing of output file DiagnosCost_ClimSalt/Theta
579        and DiagnosCost_DriftSalt/Theta (if multi-tiles per proc).
580    o pkg/seaice:
581      - add missing initialisation of COR_ICE array in dynsolver.F
582      - merging SEAICE_MULTICATEGORY define and undef cases. Now the same code is
583        compiled either way, and is tested in all exps (multidim was only tested
584        in lab_sea ad before).
585      - cosmetic change to prepare for future addition of ITD. no change to results.
586        no defaults change.
587      - added run time param SEAICE_multDim (7 for SEAICE_MULTICATEGORY, 1 otherwise).
588      - by lack of adequate verification experiments, I further used custom versions
589        of global_ocean.cs32x15 to test multicat or not, with pickup or not. All
590        should be correct.
591      - avoid recomputations in ad.
592    o array initialisation in adjoint mode:
593      1) pkg/mom_common/mom_calc_ke.F:
594        add full array initialisation of KE inside mom_calc_ke.F (ALLOW_AUTODIFF_TAMC):
595        The S/R which calls MOM_CALC_KE initialises KE but in some recomputation
596        part this initialisation is gone, resulting in Floating Point Exception
597        (caught by open64 compiler with debug option).
598      2) model/src/convective_weights.F
599        set output convectCount over the full array range (instead of doing
600        an update): this fix a similar issue when called within recomputation (adjoint)
601        which could by-pass the initialisation (normally done in the caller S/R).
602    o pkg/seaice:
603      - final version of turbulent flux params, as agreed at MIT ice meet:
604           SEAICE_mcPheePiston (default is ~ 0.000875)
605           SEAICE_mcPheeTaper (default is 0.)
606           SEAICE_frazilFrac (defualt is 1.)
607           SEAICE_mcPheeStepFunc (default is false)
608      - changes results at trunction error level
609      - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo
610    o added pkg/frazil:
611      - see frazil_description.tex for details
612      - verification experiment is global_with_exf/input.yearly; changes output.yearly.txt
613    o pkg/shelfice/shelfice_thermodynamics.F
614      - fix exponents for velocity dependent exchange coefficients: change
615        from 2/3(=0) to 0.66666666666666667
616      - move computation of velocity dependent exchange coefficients into
617        separate loop, so that it applies to both thermodynamics
618      - move some divisions by constants out of loops
619    
620    checkpoint63j (2012/02/16)
621    o pkg/seaice:
622      - overhaul of seaice_summary.F after feb 2012 clean-up of seaice_growth.F etc.
623      - SItracer:  added run time params, and allow coupling to ocn salinity.
624    o pkg/seaice: remove (almost) all divisions by constants within loops
625      in seaice_growth.F and seaice_solve4temp.F, this changes (only) the cg2d
626      results of global_ocean.cs32x15.seaice from 16 to 11 digits (but only
627      those, caused by 1/QI -> recip_QI) -> update output.seaice.txt,
628      output_adm.seaice_dynmix.txt and also lab_sea: output_adm.evp.txt
629    o pkg/seaice :
630      - simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula
631        = 1 or 2, using newly added run time parameter SEAICE_availHeatTaper.
632      - fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148.
633      - add permanent SItflux diag that corresponds to TFLUX but includes
634        ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget.
635      - allow activation/testing of a fix for suspected missing term in
636        ocn-ice heat budget (to be confirmed). To test this, you want to
637        undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param
638        SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic.
639      - no change in results, fwd or ad.
640    o global_ocean.cs32x15/results: 3 changes following from the pkg/seaice commit below:
641      - switch to variable freezing point.
642           Results change : cg2d -> 1 digits; ad -> 3-6-6 digits.
643      - bug fix : the sublimation term that was missing is now activated.
644           Results change : cg2d -> 2 digits; ad -> 8-6-6 digits.
645      - bug fix : flooding sign term for SIsal0.NE.0.
646           Result change : cg2d -> 8 digits; ad -> 11-12-9 digits.
647    o pkg/seaice:
648      - unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT
649        is now the default, and the old default constant freezing point is recovered
650        with SEAICE_tempFrz0    = -1.96,
651             SEAICE_dTempFrz_dS = 0.,
652      - retire SEAICE_freeze (= the old way of specifycing the constant freezing point)
653      - remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there.
654      - bug fix (thanks to M. Losch) : the sublimation term that was missing is now
655        activated. To reproduce old results with this bug define SEAICE_DISABLE_SUBLIM.
656      - bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211)
657        was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail).
658      - bug fix (thanks to O. Jahn) : area loss for melting  got messed up in
659        seaice_growth r149 for legacy branch (no results change).
660      - introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code
661        from I. Fenty).
662      - results did not change except for global_ocean.cs32x15, mostly due to the
663        switch to variable freezing point (see above item for detail).
664    o pkg/thsice:
665      - fix and simplify interface to salt_plume pkg ; diagnose directly amount of
666        seawater freezing in thsice_calc_thickn (not used).
667    o pkg/seaice: turbulent flux term specification via run time params.
668      - replace CPP switches with run time switches to facilitate testing
669      - retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX,
670                       GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR
671      - added runtime parameter : SEAICEturbFluxFormula
672      - move Mcphee constants to SEAICE_PARAMS.h
673      - seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula;
674                 SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply);
675                 remove seaice_summary call (moved to seaice_init_fixed)
676      - seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on
677        SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms)
678      - seaice_summary.F : add missing report of read turbulent flux term set up
679                           and SITRACER.
680      - seaice_check.F : check range; inform and stop if retired CPPs are used
681                         (incl. SEAICE_AGE).
682      - seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without
683             CPP switch, same computation as before for the different options.
684      - change results at the truncation level.
685    o pkg/seaice:
686      - remove un-used parameters LAD & MAX_TICE ; add new run-time parameters:
687        useMaykutSatVapPoly (default=F), postSolvTempIter (default=2) and
688        SEAICE_wetAlbTemp (default=-1e-3). Remove option SEAICE_SOLVE4TEMP_LEGACY.
689      - update verification/*/input*/data.seaice:
690        to reproduce previous results with former #defined SEAICE_SOLVE4TEMP_LEGACY
691        code, set useMaykutSatVapPoly=T & postSolvTempIter=0 ;
692        and to reproduce previous results with former non-SOLVE4TEMP_LEGACY code,
693        set SEAICE_wetAlbTemp=0 & SEAICE_snowThick=0.
694    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY):
695      - remove LEGACY code for solving for tsurf (A1,A2,A3) but maintain the same
696        algorithm (same choice: useMaykutPolySatVap=T, postSolvTempIter=0);
697        difference in results only due to machine truncation.
698      - remove MAX_TICE (tsurf is always =< TMELT anyway); keep MIN_TICE if using
699        MaykutPolySatVap; keep MIN_LWDOWN.
700      - adapt SEAICE_MODIFY_GROWTH_ADJ code (untested) to non-legacy formulation.
701      - update output of verification exp. lab_sea (4 fwd: 11 cg2d digits except hb87,
702        + 3 AD: 6 digits except evp) and offline_exf_seaice.seaice (12 digits).
703    o pkg/salt_plume:
704      - isolate saltPlumeFlux array exch into a specific S/R called from
705        do_oceanic_phys.F
706      - add interface to pkg/salt_plume (filling of saltPlumeFlux) in pkg/thsice.
707    o verification:
708      - move untested set-up to MITgcm_contrib/verification_other.
709    o pkg/seaice:
710      - retire old way of SEAICE_AGE. Now replaced with ALLOW_SITRACER.
711    o pkg/seaice:
712      - seaice_solve4temp.F (keeping results unchanged):
713        * add 2 future run-time params to select which saturation vapor pressure
714          formula is used and how post-iteration fluxes are set.
715          Temporary set these 2 params according to option SOLVE4TEMP_LEGACY;
716        * New piece of code (not used) to update surf. atmos. heat flux F_ia using
717          the linearized expression to stay consistent with tsurf finding.
718      - seaice_freedrift.F avoid floating exception in sqrt(y) since y=sqrt(x*x)-x
719        can be < 0.
720    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY undef):
721      - remove from F_ia (and from it's derivative dFiDTs1) the contribution of
722        conductive heat flux F_c , and add it explicitly when updating tsurf as
723        solution of: Fc = Fia + d/dT(Fia - Fc) *delta.tsurf
724        so that now F_ia has a consistent meaning through the entire routine.
725        This causes differences at truncation level: update output of fwd exp.
726        global_ocean.cs32x15.seaice.
727    o pkg/seaice:
728      - lots of editing/cleaning in seaice_solve4temp.F + better documentation
729        of arrays, sign/direction of fluxes; no effect on results.
730      - replace hard coded 273.16 (=previous value of celsius2K) by celsius2K
731        in seaice_budget_ocean.F & seaice_solve4temp.F (SOLVE4TEMP_LEGACY part);
732        note: this should have been done before changing celsius2K default.
733      - to keep results unchanged, add back old value of celsius2K in verification
734        exp. input*/data : lab_sea (AD), offline_exf_seaice (fwd+AD) & seaice_obcs
735      - replace hard coded seawater freezing temp in seaice_solve4temp.F (part
736        SOLVE4TEMP_LEGACY) of 271.20 (=previous value of celsius2K + default
737        value of SEAICE_freeze) by celsius2K+SEAICE_freeze so that seawater
738        freezing temp is consistent with value in seaice_growth.F ; this causes
739        differences at machine truncation level: update lab_sea AD output (3/4).
740    o pkg/seaice:
741      - mask (in exf_init_fixed.F) atemp,aqh,evap,precip,runoff,lwflx,areamask
742        and climsst/sss even when using seaice (to prevent calculation that might
743        use SST on land); does not affect any verification exp.
744      - apply mask to taux,tauy (in seaice_get_dynforcing.F); update output
745        of lab_sea.fd & lab_sea.hb87 and global_ocean.cs32x15.seaice_dynmix.
746    o pkg/seaice/seaice_growth.F: add mask to avoid non-zero ice thickness
747      over land (non-legacy code)
748    o vectorize salt_plume package:
749      - add extra code to salt_plume_frac and salt_plume_tendency_apply_s
750      - this code computes plumebk everywhere (also over land), thus requires
751        code to avoid divisions by zero and catch the case of kLev=Nr.
752      - efficiency of salt_plume_frac is still sub-optimal
753    o tools (genmake2):
754      - fix makefile NAME specification (option: -makefile NAME) by adding
755        "-f $MAKEFILE" in few places where it was missing including makedepend
756        command (contribution from Paul).
757    
758    checkpoint63i (2012/01/24)
759    o model/src:
760      - add factorized versions of some EOS code to find_rho.F,
761        define USE_FACTORIZED_EOS to turn it on (default for TARGET_NEC_SX)
762    o model/src:
763      - add celsius2K to namelist PARM01; remove unused recip_rhoNil from PARAMS.h;
764      - change default celsius2K from 273.16 to 273.15
765      - to keep results unchanged, add back old value of celsius2K in verification
766        exp. input*/data : aim.5l_cs, 1D_ocean_ice_column, lab_sea (fwd),
767         global_ocean.cs32x15(seaice) & cpl_aim+ocn(input_atm).
768    o model/src: add a little initialisation trick to find_rho.F and find_alpha.F
769      to make TAF generate vectorizable code
770    o pkg/seaice/seaice_evp.F: add code (copied from CICE) that avoids underflows.
771       Turn on by defining SEAICE_EVP_ELIMINATE_UNDERFLOWS. Most compilers
772       have flags that do this more efficiently.
773    o pkg/diagnostics/diagstats_calc.F
774      - for TARGET_NEC_SX fix the treatment of the scaling factor tmpFac=scaleFact
775    o pkg/obcs (with exch2):
776      - derive OB indices in overlap region from OB-InsideMask (in obcs_init_fixed.F)
777        and remove code (in obcs_readparms.F) which was based on EXCH of indices
778        (through buffer) and did not account for exch2 (e.g., CS-grid) topology.
779    o pkg/exf and seaice exp:
780      - change offline_exf_seaice.seaicetd test exp. to use default DIFF1 value (=0)
781        so that switching off area & heff advection flags does not affect results.
782      - change default EXF_LWDOWN_WITH_EMISSIVITY to #define in EXF_OPTIONS.h
783      - keep exp. seaice_obcs & 1D_ocean_ice_column(ad) unchanged (using #undef
784        EXF_LWDOWN_WITH_EMISSIVITY) and, using pkg/exf default emissivities, update
785        results of verification experiments: 1D_ocean_ice_column(fwd),
786        global_ocean.cs32x15.seaice(fwd+ad) & seaice_dynmix(ad), lab_sea (all 8)
787        and offline_exf_seaice (all 4).
788    o pkg/seaice:
789      - remove array YNEG, RIVER, TMIX (replaced by local var) from common block;
790        remove also areaNm1 & hEffNm1 when SEAICE_GROWTH_LEGACY is undef.
791      - fix bug: areaNm1 & hEffNm1 are needed in seaice_growth (SEAICE_GROWTH_LEGACY)
792        but were not filled when resp. SEAICEadvArea=F & SEAICEadvHeff=F and
793        not multi-dim advection;
794      - fix seaice_growth.F to compile with both SEAICE_GROWTH_LEGACY and
795        SHORTWAVE_HEATING #undef.
796    o optim: make Makefile more robust (?)
797    o pkg/obcs:
798      * fix treatment of obcs_read_pickup for TAF
799    o pkg/shelfice:
800      * add missing initialisation of num_shifwflx
801      * new adjoint verification exp. for isomip
802      * change Prandtl and Schmidt numbers from generic formulations
803        (in terms of model diffus. and visc.) to separate runtime
804        parameters, with Holland and Jenkins (1999) default values.
805    o pkg/exf (interpolation):
806      - extended input field (2 rows) near the N & S poles:
807        * fill in with the symetric value (when even Nb of data in longitude)
808        * add average value at the poles only for scalar quantities ; for vector
809          component interpolation, skip the averaging and keep duplicated values,
810          unless the 2 components have same location (uvInterp=T) in which case
811          interpolate the 2 components together using S/R EXF_INTERP_UV.
812      - new S/R EXF_INTERP_UV to interpolate the 2 components of a vector field
813        together: this allows to account properly for local orientation when
814        averaging at N & S pole.
815      - add CPP option EXF_USE_OLD_INTERP_POLE to recover old results regarding
816        exf-interpolation near N & S poles. Undef by default.
817      - add debug check/print on 1rst iter if debugLevel >=2.
818    o pkg/exf:
819      - change masking flags definition (no longer "parameter"), put them in
820        common block and set them in S/R EXF_INIT_FIXED.
821      - change recognized masking flag from s,u,v to c,w,s since the mask
822        to use (maskC,W,S) depends on position on model grid and has little to
823        do with scalar/vector difference; fix masking if using P-coordinates.
824      - fix masking of wind-stress (was wrong if interpolated or read on A-grid)
825        and update results of exp. global_with_exf (x2).
826      - fix setting of zenith-angle table when SHORTWAVE_HEATING is undef.
827    o pkg/obcs
828      - S/R obcs_calc_stevens: fix a small bug (gammat -> gammas where appropriate)
829    o pkg/exf (interpolation):
830      - assume periodicity in X only if input field cover full longitude range.
831      - improve search for lat. index (supposed to be faster, in ~log2(ny) steps,
832        and should vectorise).
833      - fix input lat of the 2 added row (in case we provide N.pole data).
834    
835    checkpoint63h (2011/12/30)
836    o pkg/seaice:
837      - change declaration of UVM from _RL to _RS in order to get B-grid
838        uIce,vIce monitor when _RS = real*4
839    o pkg/offline:
840      - new S/R OFFLINE_RESET_PARMS for resetting main-model params (switch off flags);
841      - compute vertical velocity if not read from file (switch on exactConserv
842        & staggerTimeStep);
843      - fix output of ptracer monitor iter & time for default PTRACERS_monitorFreq.
844    o verification:
845      - update grid-files (in tutorial_held_suarez_cs/input and fizhi-cs-32x32x40/input)
846        with grid-angle generated using "utils/matlab/cs_grid/cubeCalcAngle.m":
847        fix Pb in yG definition @ 2 missing corners (previously yG was averaged);
848      - update output of exp. global_ocean.cs32x15.viscA4 after changing
849        grid-file angles (used here for coriolis-3d);
850      - remove (or gzip) few files not needed to run fizhi-cs experiments.
851    o pkg/exf (vector interpolation):
852      - rotate vector component toward local grid-axis orientation using grid-angles
853        (stored in GRID.h) instead of locally computed rotation angle; keep old code
854        available with exf option EXF_USE_OLD_VEC_ROTATION (undef by default).
855    o pkg/seaice:
856      - allow to compile with exf options ALLOW_ATM_TEMP or ALLOW_DOWNWARD_RADIATION
857        undefined. Fix and remove the stop when ALLOW_RUNOFF is undefined.
858    o pkg/PKG_OPTIONS.h files:
859      - move #include "CPP_OPTIONS.h" just after #include "PACKAGES_CONFIG.h",
860        outside of the #ifdef ALLOW_THISPKG / #endif block.
861      - update verification/*/code/PKG_OPTIONS.h files.
862    o add a verification experiment (offline_exf_seaice/input.seaice) that test
863      the B-grid LSOR solver
864    o pkg/seaice: sort out emissivity and long wave radiation step 2:
865      - add emissivity for snow and ice as new run-time parameters
866        (unfortunately) that default to the corresponding exf values; this
867        changes results in most verification experiments so that for backward
868        compatibility these parameter have to be set explicitly to inconsistent
869        values (ugly);
870      - the exf-flag EXF_LWDOWN_WITH_EMISSIVITY then gets rid off the hard-wired
871        emissivities of 0.97 associated with lwdownloc in S/R seaice_solve4temp
872        until we agree how to handle this bug properly
873    o pkg/exf (interpolation):
874      - add a set of run-time param ({inputfield}_interpMethod), one for
875        each interpolated input field, to select the interpolation method
876        with a value of zero switching off the interpolation;
877      - print interpolation parameters to standard output;
878      - refine exf_check.F accordingly ; stop if USE_NO_INTERP_RUNOFF is defined
879        (to use instead runoff_interpMethod=0 in data.exf).
880      - simplify default setting of interpolation parameters (for all fields,
881        set position to match model grid cell-center position, leading to trivial
882        interpolation in case of regular Lat-Lon grid) and fix for the case of
883        non-uniform delY.
884    o pkg/exf/exf_radiation.F: add the factor ocean_emissivity to lwdown, for
885       within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.
886       this factor is absolutely required, because the lw exitance (= out-going
887       long wave radiation) is emissivity*stefanBoltzmann*T^4 + rho*lwdown,
888       where the reflectivity rho = 1-emissivity for conservation reasons. Once
889       this is established, we can remove the CPP-Flag (if we want to).
890    o pkg/seaice:
891      - qualify a stop statement in S/R seaice_check: EXF_READ_EVAP and
892        ALLOW_BULKFORMULAE are only required if SEAICE_EXTERNAL_FLUXES is defined
893      - sort out emissivity and long wave radiation, step 1: make SEAICE_emissivity
894        what the name implies (and not emissivity*BoltzmannConstant), this means
895        the old default value of 5.5e-8 now means
896        5.5e-8/5.670e-8 = 0.97001763668430343479 as ocean_emissivity in
897        S/R exf_readparms
898      - FV-discretization of the B-grid LSOR solver, turn on with
899        SEAICE_LSRBNEW. This new solver also involves a slight re-organization
900        of the calling routine dynsolver, so that B and C-grid code look a
901        little more alike.
902      - fix index bugs in ostres.F (B-grid code)
903    o pkg/seaice/seaice_ocean_budget.F: change (unused) code to make it look better
904    o pkg/seaice/seaice_readparms.F: make ocean_emissivity*stefanBoltzmann the
905      default for SEAICE_emissivity, if useEXF; requires setting a wrong
906      parameter value in global_ocean.cs32x15/input.seaice/data.seaice for
907      backward compatiblity
908    o model/src: use sigmaR in calc_ivdc
909    
910    checkpoint63g (2011/12/16)
911    o pkg/seaice/seaice_growth.F:
912      fix heat conservation of the coupled ocean-seaice system.
913      when SEAICE_HEAT_CONSERV_FIX is defined, the mismatch of
914      solid vs liquid water treatment is resolved via QNET.
915    o pkg/seaice/seaice_growth.F:
916      add missing term for sublimation in saltFlux, which was breaking conservation.
917    o pkg/seaice/seaice_model.F:
918      Remove this patholigical case treatment in evolution branch,
919      where it is un-necessary and breaks conservation.
920      Update global_ocean.cs32x15/results accordingly for
921      output.seaice.txt output_adm.seaice.txt and output_adm.seaice_dynmix.txt
922    o model/src:
923      useRealFreshWaterFlux: remove masking of EmPmP (using maskInC) in
924      external_forcing_surf.F and apply mask directly in S/R SOLVE_FOR_PRESSURE.
925    o pkg/obcs:
926      modify Stevens boundary conditions so that S/R obcs_calc_stevens computes
927      tendency for temperature and salinity that is then applied to update
928      theta and salt in S/R obcs_apply_ts; this requires proper masking of all
929      horizontal advection and diffusion contributions on the boundary (in
930      S/Rs gad_advection, gad_calc_rhs, gmredi_rtransport, gmredi_calc_diff), and
931      removing the mask in S/R timestep_tracer. The advantage of this approach is
932      that the updated tracer values include contributions from the surface
933      forcing and vertical diffusion.
934      This modification changes exp4.stevens because of vertical diffusion.
935    o model/src:
936      change non-curvilinear grid setting to also work with exch2 + blank tiles:
937      - move delX,delY to new header file (SET_GRID.h) and adjust length to 1rst
938        face dimensions.
939      - new S/R INI_LOCAL_GRID to define model tile-local grid (using same units
940        as delX,delY) and called from S/R INI_CARTESIAN_GRID, INI_CYLINDER_GRID
941        and INI_SPHERICAL_POLAR_GRID.
942      change test-experiment global_ocean.90x40x15:
943      - split the domain in many more tiles (9x4 tiles of 10x10 each);
944      - switch to exch2 and remove 1 blank-tile (but only for MPI test).
945      - update results of both test (std & dwnslp).
946    o pkg/diagnostics/diagstat_calc.F: fix problem with non-initialised halos in
947       tmp-fields for TARGET_NEC_SX at the cost of extra loops and less vectorisation
948    o model/src:
949      - take sigma-coords related code out of update_etah.F into new S/R UPDATE_ETAWS
950        and fix initialisation when using sigma-coords.
951    o model/src:
952     - improve Gael's changes from Jan 14, 2011 "addition of an 'update' of hfacc etc.
953       to their current value at the beginning of forward_step.F": add a new run-time
954       switch "doResetHFactors" (default=false) and use it to do (or not) the resetting.
955     - set doResetHFactors=T in the following test exp:
956        global_ocean.90x40x15/input (rStar) & input.dwnslp (linFS),
957        global_ocean.cs32x15/input.seaice (rStar), hs94.cs-32x32x5/input.impIGW (linFS)
958        and tutorial_global_oce_in_p (nonLinFS in p)
959    o pkg/ecco
960      - added IES cost term
961    o verification/advect_xz
962      - scale down the depth by 1/100 (from 200 km to just 2.km)
963      - add secondary test using divergent flow, r-star and implicit vertical advection.
964      - add note (check_conserve_TS.txt) and matlab script to check global
965        conservation of T & S with NonLin-FreeSurf and Adams-Bashforth.
966    o pkg/rbcs:
967      - add missing relaxUFile & relaxVFile in namelist (in rbcs_readparms.F).
968    o pkg/obcs (Stevens BCs):
969      - fix various problems in the phase speed computations of the Stevens
970        boundary conditions:
971        - sign error for western and southern boundaries,
972        - time tendencies were underestimated by factor of dTracerLev and some just
973          zero (for multidim advection schemes) -> now estimate time tendencies
974          from difference between previous (n) time level and the one before (n-1);
975          this requires storing a field per tracer per boundary, also in the pickup
976          files.
977        - replace deltaTmom in cflMer/Zon computation with dTracerLev
978        - set default phase velocity to cflMer/Zon
979      - update verification experiment exp4.stevens
980    o pkg/generic_advdiff (implicit_r):
981      - fix implicit vertical advection conservation with AB and/or NonLin-FreeSurf
982        (remove Tr*d/dz(w) in gad_implicit_r.F and add it in gad_calc_rhs.F);
983      - fix implicit vertical diffusion or advection with NonLin FreeSurf
984        (was using current recip_hFacC instead of future recip_hFacC): set future
985        recip_hFac in thermodynamics.F and pass & use it in all vertical implicit
986        solver S/R ;
987      - fill diagnostics of vertical advective fluxes (computed from tendency)
988        when using implicit vert. advection;
989      - update output of exp that uses NonLin-FreeSurf & implicit vertical diffusion:
990         global_ocean.90x40x15 (fwd+AD), global_ocean.cs32x15 (4 fwd +4 AD),
991         tutorial_global_oce_in_p (fwd), tutorial_tracer_adjsens (AD)
992         and cpl_aim+ocn (used in ocean); to be fixed: bottom_ctrl_5x5.
993    o pkg/diagnostics:
994      - add diags for T & S tendency which goes through Adams-Bashforth.
995    
996    checkpoint63f (2011/11/30)
997    o pkg/obcs/obcs_calc_stevens.F:
998      - join some loops to reduce number of if-statements
999      - fix a bug in code for northern and southern boundaries.
1000    o pkg/seaice/seaice_init_varia.F
1001      - undo resetting UVM=0 that has slipped in unnoticed in r1.49 and
1002        caused zero ice-velocities for the B-grid code
1003  o pkg/seaice/seaice_init_fixed.F  o pkg/seaice/seaice_init_fixed.F
1004    - fix a bug in the initialisation of the second metric terms    - fix a bug in the initialisation of the second metric terms
1005      k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0.      k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0.
1006    - this affects all seaice configurations with useCurviLinearGrid = .true.    - this affects all seaice configurations with useCurviLinearGrid = .true.
1007      and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms      and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms

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