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revision 1.1290 by gforget, Fri Aug 6 18:45:41 2010 UTC revision 1.1400 by mlosch, Tue Mar 15 16:51:37 2011 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/ctrl:
8      - change behavior of xx_${varname}period to be analogous to exf-conventions:
9        xx_${varname}period =   0.,  means time-independent control part
10        xx_${varname}period = -12., means one-year-periodic monthly control part
11      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
12        clean up ctrl_init a little, remove unused variables
13      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
14      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
15    
16    checkpoint62u (2011/03/15)
17    o model/src:
18      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
19        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
20      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
21        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
22    o pkg/ctrl/obcs/ecco:
23      - remove obsolete, unused, and partially broken code:
24        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
25        ALLOW_CTRL_OBCS_BALANCE
26      - put a stop statement into ecco/cost_obcsvol.F, but also add
27        cost_obcsvol to ecco_ad_diff.list
28    o pkg/ecco: fix counting cost function contributions for obcs (code
29      by Matt M.) and diffkr for diagnostics
30    o pkg/ecco, pkg/ctrl, pkg/grdchk:
31      add cost penalty terms for initial uvel, vvel, eta controls
32      and I/O for prior error files
33    o pkg/mdsio:
34       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
35       (new argument) to check for tiled file in mdsioLocalDir : this fix the
36       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
37    o pkg/ctrl:
38     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
39       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
40       unused and superfluous variables
41     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
42    o pkg/ecco
43     - enable adjoint of Stevens OB
44    o pkg/ctrl/ecco/grdchk:
45      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
46        Fortunately, we do not have any tests for the numerous cpp-flagged
47        option of "obcs as control parameters" so we will never know
48        if this is an improvement (but at least now things compile).
49      - remove an obsolete initialization from ecco_cost_init_barfiles.F
50      - fix some problems within never used ifdefs to make the code compile
51    o pkg/obcs:
52     - Refine Interior mask definition to work with more complex OB (e.g.
53       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
54       read in Interior mask from file. Check if Interior mask is consistent
55       with OB list of indices.
56    o pkg/seaice
57     - beginning code for a seaice tracer package,
58       but currently only used for seaice age: SEAICE_AGE
59       SEAICE_num = 4
60       iTracer = 1: area-weighted ice age
61               = 2: volume-weighted ice age
62               = 3, 4: template for one-year vs. multi-year ice
63       data.seaice has new namelist SEAICE_PARM03 for arrays related to
64       SEAICE_num
65    
66    checkpoint62t (2011/03/05)
67    o pkg/obcs:
68     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
69       then normal component. This ensures that the normal component is set
70       correctly even when it conficts with tangential setting from an other OB.
71       Affects results of test-experiment seaice_obcs: update the output.txt
72    o pkg/obcs:
73     - add code to monitor statistics of dynamical fields at OB.
74     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
75       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
76       - change default: balance the Net inflow through all OB (instead of balancing
77         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
78     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
79       to match Nortern OB inflow (OBCS_balanceFacN=0).
80    o pkg/seaice:
81     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
82    o pkg/seaice (seaice_growth v 1.113):
83     - reverting seaice_growth to v 1.111 in order to have code with exact bit
84       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
85       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
86       runtime flag SEAICEareaFormula is kept but is inactive
87    o model/src:
88     - add new param to scale curvilinear grid distance and area when using
89       a different sphere radius from the grid-files.
90     - test/check multi-threads EXCH applied to local variable (cg2d_x)
91    o adjoint:
92     - enable adjoint of Stevens OB
93     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
94       (a bit delicate because of potentially modified adj. common block structure;
95       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
96    
97    checkpoint62s (2011/02/15)
98    o pkg/seaice (seaice_growth v 1.112):
99     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
100       computing the ice cover tendency from effective thickness tendencies. Include
101       Ian Fenty's formula.
102     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
103       SEAICEareaFormula.
104     - simplify notations for the various d_HEFF/d_AREA terms.
105    o pkg/gmredi:
106     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
107       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
108       add a verification test-run (front_relax.bvp) to test GM_useBVP.
109    o pkg/seaice (seaice_growth v 1.111):
110     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
111     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
112       also melt ice.
113    o pkg/seaice:
114     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
115     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
116    o pkg/cheapaml:
117     - from Nico Wienders: New version of this package.
118    o pkg/flt:
119     - add CPP options to prevent floats to re-enter the opposite side of
120       a periodic domain (default: keep periodicity)
121    o pkg/gmredi:
122     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
123       (needed for multi-dim advection).
124     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
125    o model/src:
126     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
127    o tutorial_tracer_adjsens
128     - extend to NLFS and replace maskC by hFacC
129       (change reference output accordingly)
130    
131    checkpoint62r (2011/01/24)
132    o testreport:
133     - add option -deloutp (-do) to remove output file after successful run
134     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
135       extract exact list of procs from this file ; adjust COMMAND by
136       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
137    o pkg/ecco: replace old ineffective way of penalizing deviations from
138      first guess (of obcs) with code by Matt Mazloff
139    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
140      exf/cal
141      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
142        and handle case of obcs?period == 0
143        Not affected by these changes: There is still an inconsistency in
144        the computation of start/endrec for the obcs variables for ALLOW_CAL
145        defined (see comment by Menemenlis, 7-Mar-2003)
146      - make S/R ctrl_get_gen_rec return something meaningful even if
147        ALLOW_CAL is not defined
148      - ctrl_getobcs?: simplify code so that it does not need to use
149                       S/R exf_swapfields
150    o testreport:
151       allow to test MPI with different number of processors for each experiment:
152       create file "SIZE.h.mpi" in each build dir.
153       Note: update of "-command" argument not yet implemented.
154    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
155      alleviate the need for additional 3D tapes when using
156      the non-inear free surface in the adjoint. This is done
157      by adding an 'update' of hfacc etc. to their current
158      value at the beginning of forward_step.F.
159    o pkg/seaice
160      seaice_lsr: move stress-divergence computations out of outer pseudo-
161      timestepping loop
162    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
163      up, so that the calls of the ctrl_* subroutines are really at the end
164      of the routine.
165    o pkg/gmredi:
166      allow to specify a 2-D horizontal map and a 1-D vertical profil
167      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
168    o pkg/seaice:
169      move lsr iterations from seaice_dynsolver to seaice_lsr.
170    o pkg/seaice:
171      reduce memory footprint of seaice mutldim advection tapes,
172      by using a 2D tape independent of the generic_advdiff ones,
173      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
174    
175    checkpoint62q (2010/12/29)
176    o model/src:
177      - check horizontal grid-spacing for unset or zero/negative values.
178      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
179    o pkg/flt:
180      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
181      - precision of input and output files set according to readBinaryPrec
182        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
183      - initial float position from tiled file was not converted to index space
184        (looks like a bug): fixed to make it similar to initial pos. global file.
185    o global_ocean.cs32x15:
186       change SIZE.h of AD set-up to get same tiling as with MPI.
187       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
188    o model/src:
189       add flag to control printing of domain fields (bathymetry, hFac ...) in
190       ini_mask_etc (call to plot_fieds_xy*).
191    o pkg/thsice:
192       if useEXF, some forcing fields are not valid in overlap: fixed by computing
193       over the interior only + apply EXCH at the end (like with SEAICE advection).
194    o pkg/mdsio:
195      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
196        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
197      - change barrier call for safe multi-threads access to 3-D shared buffer.
198      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
199      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
200        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
201    o pkg/flt:
202      - add fourth-order Runge-Kutta integration
203      - add basic exch2 support (only 1 facet supported so far!)
204    o pkg/mdsio+rw:
205      new S/R to read local (or tile independent) vector (read counterpart of
206       mds_writevec_loc, and front-end write_glvec_rl/rs).
207    o global_ocean.cs32x15: additional input_ad.seaice experiment
208        that uses pkg/seaice rather than pkg/thsice.
209        (using multidim advection for seaice)
210    o towards more F95 syntax for array specification in namelist:
211      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
212        of all verification experiments.
213           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
214          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
215      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
216    o global_ocean.cs32x15: additional input.seaice experiment
217        that uses pkg/seaice rather than pkg/thsice.
218    
219    checkpoint62p (2010/12/17)
220    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
221        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
222    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
223        allow for use of multim. advection in seaice adjoint.
224    o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
225      - first attempt to close budgets by taking into account the freshwater
226        flux implied by the sublimation of snow and ice. So far only the
227        volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
228        SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
229    o eesupp/src:
230      new S/R with new option (NML_EXTENDED_F77) to change array specification
231      from F95 standard to commonly accepted extended F77 form.
232      This would allow to use F95 syntax in namelist (needed with gfortran 4.4.5)
233      and to revert back to the original syntax (with -DNML_EXTENDED_F77)
234      for less tolerant f77 compiler (e.g., pgf77, g77).
235    o globalFiles:
236      commented out in parameter file "data" since it's not safe with MPI
237      (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much
238      in this case); no longer commented out in restart test (tst_2+2).
239    o add adTapeDir to specify a special directory where adjoint tapes are
240      written/read (adread_adwrite.F). adTapeDir is specified in data/PARM05
241      and cannot be used together with mdsioLocalDir.
242    o nesting pkgs:
243      - packages_init_variables : put call to OBCS_INIT_VARIABLES in last position
244      - update Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
245      - add parameter files + utils dir + output from short run on beagle.
246    o pkg/seaice:
247        fix seaice_growth.F store directives; update results of exp. lab_sea.ad
248    o pkg/seaice: explicitly store tsurfloc in seaice_solve4temp.F to avoid
249      unnecessary copying in adjoint code, requires new parameter NMAX_ITER
250    
251    checkpoint62o (2010/11/25)
252    o pkg/exf:
253      - change CPP option EXF_VERBOSE to run-time logical param exf_verbose.
254    o pkg/seaice:
255      - seaice_ocean_stress: split a loop for better vectorization of the
256        adjoint code
257      - seaice_growth.F: fix bug in conservation of freshwater connected to
258        capping of heff, put contribution into d_HEFFbyNEG
259      - replace irritating parameters SEAICE_latentWater/Ice and SEAICE_sensHeat
260        by something more sensible (parameters that are what their name implies)
261      - change some defaults, so that by default exf-parameters are used for
262        things like rhoAir, cpAir,latent/sensible heat parameters, in order
263        to reproduce the old results, many data.seaice now contain funny values
264        for cpAir and latent heat of sublimation
265    o packages_readparms.F: move exf_readparms up in line so that
266        exf-parameters are visible for other packages (e.g. seaice)
267    o debugMode & debugLevel=2:
268      - differentiate between debugMode & debugLevel=2:
269        debugMode: controls printing of debug messages (sequence of S/R calls).
270        debugLevel: controls printing of algorithm intermediate results and stats.
271      - remove "if debugLevel=2 => debugMode" but keep "debugMode =>  debugLevel=2";
272        => allows to print debug-stats without all sequence of call messages.
273      - switch control of debug print from debugLevel to debugMode in many S/R.
274    o pkg/obcs (obcs-sponge):
275        fix bug that was introduced on Oct 25 (in dynamics.F v1.151): put back the
276        call to OBCS_PRESCRIBE_EXCHANGES (need to exch gU,gV when using obcs-sponge)
277    o pkg/generic_advdiff:
278      - record overlap minimum size for each advection scheme;
279      - refine criteria on overlap minimum size;
280      - check and stop (in gad_check) if overlap size is too small.
281    o pkg/obcs:
282      - with ptracers: remove multiple calls to obcs_apply_ptracer (only done
283        once, in ptracers_implicit.F)
284      - with seaice: remove test on empty file name in obcs_apply_seaice (always
285        apply OB values when tile has OB)
286    o model/src, coriolis setting:
287      - integer parameter "selectCoriMap" (=0,1,2) replaces 3 logical
288        useConstantF, useBetaPlaneF, useSphereF ; can now read coriolis from
289        files (selectCoriMap=3) with any grid.
290      - add parameter "fPrime" for constant second Coriolis coeff (default=0).
291    o pkg/seaice/seaice_growth.F:
292        a few cosmetic changes that reduce the number of lines of code
293    o pkg/obcs: add boundary conditions following Stevens (1990)
294      - the code follows old MOM/NAOSIM code
295      - so far it is only implemented for the eastern and western boundaries
296        and NOT for pTracers
297    o pkg/rbcs:
298      - replace rbcsInIter by rbcsForcingOffset, the time in seconds at the
299        beginning of the first rbcs forcing period.
300      - add option rbcsSingleTimeFiles that makes rbcs read forcing data like the
301        offline package, i.e., one file per time, labeled by iteration number;
302        deltaTrbcs sets the timestep with which the data was generated;
303        rbcsIter0 is the forcing iteration corresponding to rbcsForcingOffset.
304      - rbcsForcingCycle=0 makes forcing non-cyclic.
305      - make arithmetic safe for negative times and odd forcing periods.
306    
307    checkpoint62n (2010/11/09)
308    o pkg/seaice:
309        fix masking in free-drift S/R ; update results of exp. lab_sea.fd
310    o pkg/obcs:
311       New S/R to copy tracer value from the OB location to narrow band region
312        (width = same as overlap) beyond the OB: preserve OB value (needed for
313        high-order scheme) which were overwritten by EXCH call if in overlap
314        region. Applied to theta, salt, ptracer and advected seaice variables.
315       With seaice: use maskInC in similar way as in gad_advection.F,
316        in seaice_advection.F and advect.F.
317       Update output of experiment seaice_obcs and change exp4 to test OBCS with
318        4th order Adv.Scheme. for pasive salt and ptracer.
319    o tools/genmake2:
320      - when looking for an optfile (not specified), only search for Fortran compiler
321        (remove sym-link test + setting of CPP + makedepend check + C-compiler check)
322      - in get_fortran_c_namemangling: use "$CC $CFLAG" to compile C test programm
323        (instead of "$MAKE genmake_test.o" since an existing Makefile can be wrong)
324      - set default for CPP to "cpp -traditional -P" (was the case without specifying
325        an optfile, but otherwise default was just "cpp".
326      - comment out PLATFORM=$p_PLATFORM (no idea where p_PLATFORM comes from)
327      - when "CC" is not set in the optfile, look for possible C compiler
328        (instead of just setting CC=cc)
329      - put back version v.169 modif (from 2008/02/15), was dropped in v.173 changes:
330        => add a ".F" to ".o" rule for source files with no "#include" (such as
331           port_rand.F); otherwise, default ignores FOPTIM and just uses FFLAGS.
332      - move gfortran before g77 in list of possible Fortran compiler (consistent
333        with reference compiler switch from g77 to gfortran)
334    o pkg/seaice:
335      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
336        seaice_check that stops the model, when the CPP flag is used.
337      o seaice_growth.F: make capping of ice volume conserving by returning the
338        capped ice as freshwater to EmPmR. This does not change the verification
339        experiments but will change runs where the capping is acutally active
340    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
341      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
342         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
343         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
344    o tools/genmake2:
345      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
346      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
347      - clean previous genmake log files before anything else.
348      - change Makefile to remove testreport log files (*.tr_log) and genmake log
349        files only with "CLEAN" target (instead of "Clean");
350    o pkg/generic_advdiff:
351      Change OBCS in multiDim advection (gad_advection.F):
352       Use maskInC to prevent intermediate update of tracer-field in OB regions,
353       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
354       which were applying future time-step OB values.
355      This way, all explicit calculations use current-time-step OB values
356       (simpler and more consistent).
357      Affects results when set-up uses time-varying OBC and multi-dim advection;
358       update output of experiment seaice_obcs.
359    o pkg/seaice:
360      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
361       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
362         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
363      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
364       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
365       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
366    o pkg aim (2010/10/26):
367      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
368        formulation with obliquity, eccentricity, ... as run-time parameters,
369      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
370        upward shortwave radition at the surface (all-sky and clear-sky).
371    o pkg/obcs:
372      - writing sections with globalFiles=T does not work: switch to tiled-files
373        when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
374      - fix index bug (OB_Ie -> OB_Iw_) in obcs_apply_uvice.F
375      - apply OBCS_SEAICE_COMPUTE_UVICE to both uice and vice at all obcs
376    
377    checkpoint62m (2010/10/21)
378    o pkg/seaice: vectorize seaice_solve4temp.F
379      - move iterations loops outside of i/j-loops
380      - requires 2D arrays for TB and effConduct
381      - add 2D iceOrNot to replace HICE_ACTUAL.GT.0, as HICE_ACTUAL is
382        modified in this routine
383      - a little bit of clean up, adjusting indentation, etc.
384      - replaced a few TEN**a by exp(a*log(10.)) in new code for better
385        performance and '**TWO' by '**2' (because TWO is a float),
386        replaced ONE, ZERO
387    o eesupp/src:
388       fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube
389    o pkg/seaice/seaice_growth.F
390      Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and
391      merging process. The merged routine has two branches, and one activates the 'evolution'
392      branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now).
393      In summary, here is what the '10/10 revision' did consist of
394        part 1: seaice_growth.F revisions 1.71 to 1.75
395          - Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged.
396            The emphasis here was on improving readability (e.g. by trying to use meaningful
397            variable names) and modularity (e.g. by adding arrays to store heff etc. updates).
398        part 1.5:
399          - revising the lab_sea experiment to make it a more useful (i.e. stable
400            and representative of an actual model run). This was done by generating a
401            (winter) pickup to start from, switching back the main experiment dynamic
402            solver from evp to lsr, having one of the experiments use the free drift solution.
403        part 2: seaice_growth.F revisions 1.76 to 1.85
404          - Sorting out hard-coded constants that prevented heat and fresh water conservation.
405          - Sorting out the various fields units and sign (set early on and reset at the end)
406            to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and
407            fresh water stock is 'effective ice meters', and >0 implies more ice/snow.
408          - Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks,
409            and simplifying logical expressions to further improve readibility.
410        part 3: seaice_growth.F revisions 1.86 to 1.89
411          - Re-organize the blocks of code more logically.
412          - Merging the '_if.F' pieces that add something new.
413    o pkg/thsice:
414      - vectorize thsice_solve4temp and thsice_get_exf.
415        Problem: thsice_solve4temp has an unvectorizable statement that
416        might also be problematic for TAF
417      - thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This
418        does not change the verifcation experiment, but will change all
419        experiments that have this flag undefined (not tested in verification);
420        a little reorganization to save a few 2D fields and recomputations
421      - 1st step of revisiting thsice adjoint (major recomp. sorted out)
422      - 2nd step:  fix some store dirs
423        o seems to work somewhat, i.e. using ifort but not g77
424        o likely cause are incomplete init. or recomputation
425        o start verification/global_ocean.cs32x15/input_ad.thsice
426    o pkg/obcs: add support for exch2
427      - the position of the boundary and prescribed values are specified using
428        a global domain with exch2 facets stacked
429        - in x for N,S boundaries (like W2_mapIO=-1)
430        - in y for E,W boundaries (so E,W boundaries do not overlap)
431    o pkg/mdsio: add support for writing global sections with exch2
432        file layout is as for obcs described above:
433        - for x-z sections, facets are stacked in x (like W2_mapIO=-1)
434        - for y-z sections, facets are stacked in y
435    o pkg/thsice:
436       - change a few routines for better vectorization: thsice_albedo.F,
437         thsice_step_temp.F, and in thsice_calc_thickn.F. Results are
438         not affected, but in particular the latter routine has changed
439         dramatically (not necessarily easier to read now).
440       - re-arrange calculation in THSICE_SOLVE4TEMP: move outside of i,j loops
441       iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF.
442    o verification/lab_sea:
443      - overhaul of the forward model experiments. The main motivation
444        for this revision is that lab_sea has proven quite fragile (when
445        changing the sea-ice code, and switching platforms) to a point
446        when failures were very hard to attribute to specific code problems.
447      - the suspected reason for this fragility is noise amplification by evp so,
448        to start with, we decided to replace evp with lsr in the main experiment.
449      - the input.lsr experiment thus became obsolete and was removed.
450      - it was replaced with the input.fd experiment that uses an
451        analytical "free drift" solution as the ice velocity field.
452      - Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp)
453        will hopefully allow us to discriminate problems due to dynamic solvers
454        from problems due to the thermodynamic code. input.salt_plume (lsr) allows
455        us to test additional options, along with the salt plume package.
456      - Finally a pickup was generated (at the end of a one year run) to
457        make the tests more representative of an actual model run. Previously
458        the tests starting point was a 1m thickness of ice everywhere.
459    o pkg/seaice:
460      - introducing S\R seaice_freedrift.F that compute the
461        analytical solution to an approximate ice momentum
462        equation (i.e. the simple stress/coriolis balance).
463      - define SEAICE_ALLOW_FREEDRIFT to trigger the computation
464        of the free drift velocity field, and enable its use.
465        To actually use the free drift solution as the model ice
466        velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice.
467    o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata"
468    
469    checkpoint62l (2010/10/04)
470    o pkg/seaice:
471      -fix the USE_ORIGINAL_SBI version (for variable freezing point);
472      -use "celsius2K" in SEAICE_VARIABLE_FREEZING_POINT and in new
473       version (with USE_ORIGINAL_SBI undef);
474    o add hooks for new packages OASIS, the package will follow
475      (hooks exclude the seaice pkg for now)
476    o pkg/autodiff: ALLOW_AUTODIFF_WHTAPEIO
477      Option to use mdsio_read_whalos.F/mdsio_write_whalos.F,
478      rather than mdsio_readvector.F/mdsio_writevector.F, within
479      adread_adwrite.F to read/write adjoint-related tapes to disk.
480    o eesupp and pkg/mdsio: ALLOW_WHIO
481      Option to write/read 2D fields to files including tiles halos.
482      The main purpose is for adjoint related "tape I/O".
483      The secondary purpose is for debugging phases.
484      A word on those rather specifically intended purposes.
485      The code was meant to be stripped down to the bare minimum.
486      Typically, there is a unique and basic mapping to the global
487      buffer (tile by tile, then proc by proc, then level by level), and
488      byteswaps and meta-files are omitted. Indeed the (*_WH*) code is not
489      meant to generate user friendly outputs of various shapes and forms.
490      Rather it is intended, for the knowledgeabale developers,
491      to be largely independent of the many mdsio options, to allow
492      outputs of tiles+halos in debugging phases and in adjoint runs,
493      and to allow some flexibility in tuning (adoint) I/O depending on each
494      file system behavior. With regard to tuning, most of the potential knobs
495      (to leave files open, to allocate the I/O indep. of usesinglecpuio,
496      to specify directories, to specify the typical size of I/O calls, etc.)
497      are not yet included, and will be added if they prove useful.
498    o pkg/seaice:
499       fix uninitialised arrays in USE_ORIGINAL_SBI version of seaice_solve4temp.F
500    o pkg/seaice:
501       new S/R seaice_solve4temp.F: this is the merged version of Ian Fenty
502       code (seaice_budget_ice_if.F) which enable to recover old standard
503       code (seaice_budget_ice.F) when option USE_ORIGINAL_SBI is defined.
504       temporary: add "#define USE_ORIGINAL_SBI" at the top of seaice_solve4temp.F.
505    o model/src (rStar):
506       use simple average (not area weighted) of rStarFac at U,V point when using
507       vectorInvariant and selectKEscheme=1,3 (consistent with mom. vertical advection)
508       update output of exp. fizhi-cs-32x32x40 and fizhi-cs-aqualev20.
509    
510    checkpoint62k (2010/09/17)
511    o adjoint
512       * changed verification/global_ocean.cs32x15 ; adjoint now tests
513         Adams-Bashforth 3 + NLFS + RSTAR
514       * some more modifs required for ECCO-GODAE v4
515    o pkg/seaice
516       add SEAICE_AGE_VOL option to use volume instead of area for
517       integrating SEAICE_AGE
518    o model/src:
519       first check-in of sigma & hybrid-sigma coordinate code ; also includes
520       non-linear free-surface parts ; but pressure-gradient not yet coded.
521    o pkg/ptracers:
522       option for ptracer to convert Salt Relax into additional EmP.
523        tested in exp. global_ocean.90x40x15.dwnslp (update output)
524    
525    checkpoint62j (2010/08/25)
526    o pkg/ggl90:
527       other minor changes: remove 3-D temp array gTKE (+ add argument myIter)
528    o pkg/dic: car_flux.F, phos_flux.F
529      - reduce number of exp-calls in order to improve performance
530      - clean up a little (replace fields by their macros, etc., fix
531        typo in CPP-flag)
532  o pkg/ggl90: minor changes  o pkg/ggl90: minor changes
533    - GGL90diffKrS was removed --> always use GGL90diffKr    - GGL90diffKrS was removed --> always use GGL90diffKr
534    - GGL90viscAr was removed --> replaced with GGL90viscArU, GGL90viscArV    - GGL90viscAr was removed --> replaced with GGL90viscArU, GGL90viscArV
535    - hack of mxlMaxFlag=2 --> ensure mixing between first and second level (commented out for now)    - hack of mxlMaxFlag=2 --> ensure mixing between first and second level
536        (commented out for now)
537    - change in max/min operations to ensure that smoothing is ok    - change in max/min operations to ensure that smoothing is ok
538    - smoothing of GGL90viscAr was moved to ggl90_calc.F (as done for GGL90diffKr)    - smoothing of GGL90viscAr was moved to ggl90_calc.F (as done for GGL90diffKr)
539    - always use diffKrNrT as background profile (i.e. never use diffKr field)    - always use diffKrNrT as background profile (i.e. never use diffKr field)
# Line 258  o tools/build_options: Line 784  o tools/build_options:
784      but keep the former optfile for few weeks for smooth transition      but keep the former optfile for few weeks for smooth transition
785  o pkg/ecco  o pkg/ecco
786    - allow user defined cost function contributions    - allow user defined cost function contributions
787          CPP: ALLOW_USERCOST_CONTRIBUTION       CPP: ALLOW_USERCOST_CONTRIBUTION
788          USAGE: compute contributions in cost_usercost_all.F       USAGE: compute contributions in cost_usercost_all.F
789    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
790        the two options are complementary.        the two options are complementary.
791  o pkg/smooth  o pkg/smooth

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