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revision 1.1295 by jmc, Sat Sep 11 21:39:13 2010 UTC revision 1.1423 by jmc, Tue May 3 20:43:57 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 OBC implementation in momentum:
8       use interior masks (maskInC,W & S) in momentum S/R:
9       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
10       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
11       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
12       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
13       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
14        (and also with Leith/Smagorinsky harmonic-viscosity).
15       Update output of experiment dome and exp4 (+nlfs).
16    o exp4 test-exp:
17      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
18        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
19        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
20        time-varying OB at Western-side for wVel (NonHyd); update output.
21      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
22        and biharmonic-viscosity ; also use prescribed time varying OB.
23    o pkg/obcs:
24      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
25    o model/src:
26      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
27      - initialise startTime & nIter0 with unlikely values: allows to set one
28        from the other without ambiguity.
29    o seaice_obcs test-exp.:
30      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
31    o pkg/obcs:
32      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
33        no longer needed with maskInC,W,S in pkg/generic_advdiff.
34    o pkg/seaice:
35      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
36        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
37      - fixed bug in the initialization of sea ice salinity variable HSALT
38        in seaice_init_varia.F  (removed dependence on ICE2WATR)
39    o fizhi-cs test exp.:
40       switch reference output convention for these 2 non-standard test-exp,
41        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
42          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
43       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
44    o model/inc:
45      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
46        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
47    o pkg/seaice:
48      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
49    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
50      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
51        and initial HSALT
52    
53    checkpoint62w (2011/04/26)
54    o pkg/mom_fluxform:
55      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
56      - use parameter "sideDragFactor" in no-slip BC side-drag part.
57      - update output of exp. global_ocean.90x40x15
58    o pkg/mom_vecinv:
59      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
60    o update seaice exp.:
61      use more consistent parameter values (remove "backward compatability only":
62       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
63      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
64       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
65    o update test-exp global_ocean.90x40x15:
66      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
67      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
68      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
69      o turn on zStar & viscA4 in standard set-up (dir input/)
70        and update output files: output.txt & output.dwnslp.txt
71    o new AD-test experiment: obcs_ctrl
72      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
73    o pkg/dic:
74      fix two bugs in handling water vapour pressure in carbonate chemistry
75      and air-sea fluxes. Found by Val Bennington and Galen McKinley
76      (add DIC Option = WATERVAP_BUG to recover old results)
77      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
78    o adding allowInteriorFreezing option to check for water below freezing point
79      at depth and bring the negative heat anomaly to the surface level
80    o pkgs _fields_load:
81      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
82      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
83        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
84        rbcs to get interpolation weights and time reccord number.
85      - fix multi-threading in aim_fields_load.F
86      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
87    o external_fields_load:
88      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
89       interpolation weights) to use in a periodic time-series ; do not divide by
90       time-step to convert to integer:
91       - this fixes case where externForcingPeriod is not multiple of time-step
92          (Thanks to Christopher L. Wolfe)
93       - this fixes case where externForcingPeriod is an odd multiple of time-step
94         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
95      store index of time-record which is currently loaded:
96       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
97       - needed for the adjoint but not yet used because of extensive recomputations;
98         (to be fixed soon)
99    
100    checkpoint62v (2011/04/02)
101    o verification/1D_ocean_ice_column added to test Ian Fenty's
102      pkg/seaice_growth.F modifications for improving sea ice code differentiability
103    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
104      (new velocity statistics after changing maskInW & maskInS definition)
105    o pkg/generic_advdiff with OBCS:
106      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
107      equivalent to assumption of no tracer gradient outside the OB region.
108      This will affect the results if using obcs+biharmonic diffusion.
109      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
110    o pkg/obcs:
111      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
112      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
113      in Interior region. No impact on solution but affects Velocity monitor stats.
114    o pkg/ptracers (adjoint)
115      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
116      tape file for each tracer
117    o model/inc/src and pkg/autodiff: add parameters that allow to turn
118      of parts of the adjoint code at run time. For now, there are only
119      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
120      parameters are set in data.pkg.
121      This is the lazy coward's version of doing this, but still useful for
122      debugging. In order to do it right, everything needs to be moved to
123      pkg/autodiff.
124    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
125      the end; this fixes the adjoint balancing code for open boundaries.
126    o pkg/ctrl:
127      - change behavior of xx_${varname}period to be analogous to exf-conventions:
128        xx_${varname}period =   0.,  means time-independent control part
129        xx_${varname}period = -12., means one-year-periodic monthly control part
130      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
131        clean up ctrl_init a little, remove unused variables
132      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
133      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
134    
135    checkpoint62u (2011/03/15)
136    o model/src:
137      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
138        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
139      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
140        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
141    o pkg/ctrl/obcs/ecco:
142      - remove obsolete, unused, and partially broken code:
143        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
144        ALLOW_CTRL_OBCS_BALANCE
145      - put a stop statement into ecco/cost_obcsvol.F, but also add
146        cost_obcsvol to ecco_ad_diff.list
147    o pkg/ecco: fix counting cost function contributions for obcs (code
148      by Matt M.) and diffkr for diagnostics
149    o pkg/ecco, pkg/ctrl, pkg/grdchk:
150      add cost penalty terms for initial uvel, vvel, eta controls
151      and I/O for prior error files
152    o pkg/mdsio:
153       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
154       (new argument) to check for tiled file in mdsioLocalDir : this fix the
155       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
156    o pkg/ctrl:
157     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
158       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
159       unused and superfluous variables
160     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
161    o pkg/ecco
162     - enable adjoint of Stevens OB
163    o pkg/ctrl/ecco/grdchk:
164      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
165        Fortunately, we do not have any tests for the numerous cpp-flagged
166        option of "obcs as control parameters" so we will never know
167        if this is an improvement (but at least now things compile).
168      - remove an obsolete initialization from ecco_cost_init_barfiles.F
169      - fix some problems within never used ifdefs to make the code compile
170    o pkg/obcs:
171     - Refine Interior mask definition to work with more complex OB (e.g.
172       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
173       read in Interior mask from file. Check if Interior mask is consistent
174       with OB list of indices.
175    o pkg/seaice
176     - beginning code for a seaice tracer package,
177       but currently only used for seaice age: SEAICE_AGE
178       SEAICE_num = 4
179       iTracer = 1: area-weighted ice age
180               = 2: volume-weighted ice age
181               = 3, 4: template for one-year vs. multi-year ice
182       data.seaice has new namelist SEAICE_PARM03 for arrays related to
183       SEAICE_num
184    
185    checkpoint62t (2011/03/05)
186    o pkg/obcs:
187     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
188       then normal component. This ensures that the normal component is set
189       correctly even when it conficts with tangential setting from an other OB.
190       Affects results of test-experiment seaice_obcs: update the output.txt
191    o pkg/obcs:
192     - add code to monitor statistics of dynamical fields at OB.
193     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
194       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
195       - change default: balance the Net inflow through all OB (instead of balancing
196         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
197     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
198       to match Nortern OB inflow (OBCS_balanceFacN=0).
199    o pkg/seaice:
200     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
201    o pkg/seaice (seaice_growth v 1.113):
202     - reverting seaice_growth to v 1.111 in order to have code with exact bit
203       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
204       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
205       runtime flag SEAICEareaFormula is kept but is inactive
206    o model/src:
207     - add new param to scale curvilinear grid distance and area when using
208       a different sphere radius from the grid-files.
209     - test/check multi-threads EXCH applied to local variable (cg2d_x)
210    o adjoint:
211     - enable adjoint of Stevens OB
212     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
213       (a bit delicate because of potentially modified adj. common block structure;
214       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
215    
216    checkpoint62s (2011/02/15)
217    o pkg/seaice (seaice_growth v 1.112):
218     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
219       computing the ice cover tendency from effective thickness tendencies. Include
220       Ian Fenty's formula.
221     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
222       SEAICEareaFormula.
223     - simplify notations for the various d_HEFF/d_AREA terms.
224    o pkg/gmredi:
225     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
226       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
227       add a verification test-run (front_relax.bvp) to test GM_useBVP.
228    o pkg/seaice (seaice_growth v 1.111):
229     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
230     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
231       also melt ice.
232    o pkg/seaice:
233     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
234     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
235    o pkg/cheapaml:
236     - from Nico Wienders: New version of this package.
237    o pkg/flt:
238     - add CPP options to prevent floats to re-enter the opposite side of
239       a periodic domain (default: keep periodicity)
240    o pkg/gmredi:
241     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
242       (needed for multi-dim advection).
243     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
244    o model/src:
245     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
246    o tutorial_tracer_adjsens
247     - extend to NLFS and replace maskC by hFacC
248       (change reference output accordingly)
249    
250    checkpoint62r (2011/01/24)
251    o testreport:
252     - add option -deloutp (-do) to remove output file after successful run
253     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
254       extract exact list of procs from this file ; adjust COMMAND by
255       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
256    o pkg/ecco: replace old ineffective way of penalizing deviations from
257      first guess (of obcs) with code by Matt Mazloff
258    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
259      exf/cal
260      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
261        and handle case of obcs?period == 0
262        Not affected by these changes: There is still an inconsistency in
263        the computation of start/endrec for the obcs variables for ALLOW_CAL
264        defined (see comment by Menemenlis, 7-Mar-2003)
265      - make S/R ctrl_get_gen_rec return something meaningful even if
266        ALLOW_CAL is not defined
267      - ctrl_getobcs?: simplify code so that it does not need to use
268                       S/R exf_swapfields
269    o testreport:
270       allow to test MPI with different number of processors for each experiment:
271       create file "SIZE.h.mpi" in each build dir.
272       Note: update of "-command" argument not yet implemented.
273    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
274      alleviate the need for additional 3D tapes when using
275      the non-inear free surface in the adjoint. This is done
276      by adding an 'update' of hfacc etc. to their current
277      value at the beginning of forward_step.F.
278    o pkg/seaice
279      seaice_lsr: move stress-divergence computations out of outer pseudo-
280      timestepping loop
281    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
282      up, so that the calls of the ctrl_* subroutines are really at the end
283      of the routine.
284    o pkg/gmredi:
285      allow to specify a 2-D horizontal map and a 1-D vertical profil
286      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
287    o pkg/seaice:
288      move lsr iterations from seaice_dynsolver to seaice_lsr.
289    o pkg/seaice:
290      reduce memory footprint of seaice mutldim advection tapes,
291      by using a 2D tape independent of the generic_advdiff ones,
292      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
293    
294    checkpoint62q (2010/12/29)
295    o model/src:
296      - check horizontal grid-spacing for unset or zero/negative values.
297      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
298    o pkg/flt:
299      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
300      - precision of input and output files set according to readBinaryPrec
301        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
302      - initial float position from tiled file was not converted to index space
303        (looks like a bug): fixed to make it similar to initial pos. global file.
304    o global_ocean.cs32x15:
305       change SIZE.h of AD set-up to get same tiling as with MPI.
306       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
307    o model/src:
308       add flag to control printing of domain fields (bathymetry, hFac ...) in
309       ini_mask_etc (call to plot_fieds_xy*).
310    o pkg/thsice:
311       if useEXF, some forcing fields are not valid in overlap: fixed by computing
312       over the interior only + apply EXCH at the end (like with SEAICE advection).
313    o pkg/mdsio:
314      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
315        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
316      - change barrier call for safe multi-threads access to 3-D shared buffer.
317      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
318      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
319        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
320    o pkg/flt:
321      - add fourth-order Runge-Kutta integration
322      - add basic exch2 support (only 1 facet supported so far!)
323    o pkg/mdsio+rw:
324      new S/R to read local (or tile independent) vector (read counterpart of
325       mds_writevec_loc, and front-end write_glvec_rl/rs).
326    o global_ocean.cs32x15: additional input_ad.seaice experiment
327        that uses pkg/seaice rather than pkg/thsice.
328        (using multidim advection for seaice)
329    o towards more F95 syntax for array specification in namelist:
330      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
331        of all verification experiments.
332           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
333          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
334      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
335    o global_ocean.cs32x15: additional input.seaice experiment
336        that uses pkg/seaice rather than pkg/thsice.
337    
338    checkpoint62p (2010/12/17)
339    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
340        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
341    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
342        allow for use of multim. advection in seaice adjoint.
343    o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
344      - first attempt to close budgets by taking into account the freshwater
345        flux implied by the sublimation of snow and ice. So far only the
346        volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
347        SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
348    o eesupp/src:
349      new S/R with new option (NML_EXTENDED_F77) to change array specification
350      from F95 standard to commonly accepted extended F77 form.
351      This would allow to use F95 syntax in namelist (needed with gfortran 4.4.5)
352      and to revert back to the original syntax (with -DNML_EXTENDED_F77)
353      for less tolerant f77 compiler (e.g., pgf77, g77).
354    o globalFiles:
355      commented out in parameter file "data" since it's not safe with MPI
356      (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much
357      in this case); no longer commented out in restart test (tst_2+2).
358    o add adTapeDir to specify a special directory where adjoint tapes are
359      written/read (adread_adwrite.F). adTapeDir is specified in data/PARM05
360      and cannot be used together with mdsioLocalDir.
361    o nesting pkgs:
362      - packages_init_variables : put call to OBCS_INIT_VARIABLES in last position
363      - update Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
364      - add parameter files + utils dir + output from short run on beagle.
365    o pkg/seaice:
366        fix seaice_growth.F store directives; update results of exp. lab_sea.ad
367    o pkg/seaice: explicitly store tsurfloc in seaice_solve4temp.F to avoid
368      unnecessary copying in adjoint code, requires new parameter NMAX_ITER
369    
370    checkpoint62o (2010/11/25)
371    o pkg/exf:
372      - change CPP option EXF_VERBOSE to run-time logical param exf_verbose.
373    o pkg/seaice:
374      - seaice_ocean_stress: split a loop for better vectorization of the
375        adjoint code
376      - seaice_growth.F: fix bug in conservation of freshwater connected to
377        capping of heff, put contribution into d_HEFFbyNEG
378      - replace irritating parameters SEAICE_latentWater/Ice and SEAICE_sensHeat
379        by something more sensible (parameters that are what their name implies)
380      - change some defaults, so that by default exf-parameters are used for
381        things like rhoAir, cpAir,latent/sensible heat parameters, in order
382        to reproduce the old results, many data.seaice now contain funny values
383        for cpAir and latent heat of sublimation
384    o packages_readparms.F: move exf_readparms up in line so that
385        exf-parameters are visible for other packages (e.g. seaice)
386    o debugMode & debugLevel=2:
387      - differentiate between debugMode & debugLevel=2:
388        debugMode: controls printing of debug messages (sequence of S/R calls).
389        debugLevel: controls printing of algorithm intermediate results and stats.
390      - remove "if debugLevel=2 => debugMode" but keep "debugMode =>  debugLevel=2";
391        => allows to print debug-stats without all sequence of call messages.
392      - switch control of debug print from debugLevel to debugMode in many S/R.
393    o pkg/obcs (obcs-sponge):
394        fix bug that was introduced on Oct 25 (in dynamics.F v1.151): put back the
395        call to OBCS_PRESCRIBE_EXCHANGES (need to exch gU,gV when using obcs-sponge)
396    o pkg/generic_advdiff:
397      - record overlap minimum size for each advection scheme;
398      - refine criteria on overlap minimum size;
399      - check and stop (in gad_check) if overlap size is too small.
400    o pkg/obcs:
401      - with ptracers: remove multiple calls to obcs_apply_ptracer (only done
402        once, in ptracers_implicit.F)
403      - with seaice: remove test on empty file name in obcs_apply_seaice (always
404        apply OB values when tile has OB)
405    o model/src, coriolis setting:
406      - integer parameter "selectCoriMap" (=0,1,2) replaces 3 logical
407        useConstantF, useBetaPlaneF, useSphereF ; can now read coriolis from
408        files (selectCoriMap=3) with any grid.
409      - add parameter "fPrime" for constant second Coriolis coeff (default=0).
410    o pkg/seaice/seaice_growth.F:
411        a few cosmetic changes that reduce the number of lines of code
412    o pkg/obcs: add boundary conditions following Stevens (1990)
413      - the code follows old MOM/NAOSIM code
414      - so far it is only implemented for the eastern and western boundaries
415        and NOT for pTracers
416    o pkg/rbcs:
417      - replace rbcsInIter by rbcsForcingOffset, the time in seconds at the
418        beginning of the first rbcs forcing period.
419      - add option rbcsSingleTimeFiles that makes rbcs read forcing data like the
420        offline package, i.e., one file per time, labeled by iteration number;
421        deltaTrbcs sets the timestep with which the data was generated;
422        rbcsIter0 is the forcing iteration corresponding to rbcsForcingOffset.
423      - rbcsForcingCycle=0 makes forcing non-cyclic.
424      - make arithmetic safe for negative times and odd forcing periods.
425    
426    checkpoint62n (2010/11/09)
427    o pkg/seaice:
428        fix masking in free-drift S/R ; update results of exp. lab_sea.fd
429    o pkg/obcs:
430       New S/R to copy tracer value from the OB location to narrow band region
431        (width = same as overlap) beyond the OB: preserve OB value (needed for
432        high-order scheme) which were overwritten by EXCH call if in overlap
433        region. Applied to theta, salt, ptracer and advected seaice variables.
434       With seaice: use maskInC in similar way as in gad_advection.F,
435        in seaice_advection.F and advect.F.
436       Update output of experiment seaice_obcs and change exp4 to test OBCS with
437        4th order Adv.Scheme. for pasive salt and ptracer.
438    o tools/genmake2:
439      - when looking for an optfile (not specified), only search for Fortran compiler
440        (remove sym-link test + setting of CPP + makedepend check + C-compiler check)
441      - in get_fortran_c_namemangling: use "$CC $CFLAG" to compile C test programm
442        (instead of "$MAKE genmake_test.o" since an existing Makefile can be wrong)
443      - set default for CPP to "cpp -traditional -P" (was the case without specifying
444        an optfile, but otherwise default was just "cpp".
445      - comment out PLATFORM=$p_PLATFORM (no idea where p_PLATFORM comes from)
446      - when "CC" is not set in the optfile, look for possible C compiler
447        (instead of just setting CC=cc)
448      - put back version v.169 modif (from 2008/02/15), was dropped in v.173 changes:
449        => add a ".F" to ".o" rule for source files with no "#include" (such as
450           port_rand.F); otherwise, default ignores FOPTIM and just uses FFLAGS.
451      - move gfortran before g77 in list of possible Fortran compiler (consistent
452        with reference compiler switch from g77 to gfortran)
453    o pkg/seaice:
454      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
455        seaice_check that stops the model, when the CPP flag is used.
456      o seaice_growth.F: make capping of ice volume conserving by returning the
457        capped ice as freshwater to EmPmR. This does not change the verification
458        experiments but will change runs where the capping is acutally active
459    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
460      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
461         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
462         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
463    o tools/genmake2:
464      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
465      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
466      - clean previous genmake log files before anything else.
467      - change Makefile to remove testreport log files (*.tr_log) and genmake log
468        files only with "CLEAN" target (instead of "Clean");
469    o pkg/generic_advdiff:
470      Change OBCS in multiDim advection (gad_advection.F):
471       Use maskInC to prevent intermediate update of tracer-field in OB regions,
472       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
473       which were applying future time-step OB values.
474      This way, all explicit calculations use current-time-step OB values
475       (simpler and more consistent).
476      Affects results when set-up uses time-varying OBC and multi-dim advection;
477       update output of experiment seaice_obcs.
478    o pkg/seaice:
479      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
480       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
481         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
482      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
483       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
484       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
485    o pkg aim (2010/10/26):
486      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
487        formulation with obliquity, eccentricity, ... as run-time parameters,
488      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
489        upward shortwave radition at the surface (all-sky and clear-sky).
490    o pkg/obcs:
491      - writing sections with globalFiles=T does not work: switch to tiled-files
492        when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
493      - fix index bug (OB_Ie -> OB_Iw_) in obcs_apply_uvice.F
494      - apply OBCS_SEAICE_COMPUTE_UVICE to both uice and vice at all obcs
495    
496    checkpoint62m (2010/10/21)
497    o pkg/seaice: vectorize seaice_solve4temp.F
498      - move iterations loops outside of i/j-loops
499      - requires 2D arrays for TB and effConduct
500      - add 2D iceOrNot to replace HICE_ACTUAL.GT.0, as HICE_ACTUAL is
501        modified in this routine
502      - a little bit of clean up, adjusting indentation, etc.
503      - replaced a few TEN**a by exp(a*log(10.)) in new code for better
504        performance and '**TWO' by '**2' (because TWO is a float),
505        replaced ONE, ZERO
506    o eesupp/src:
507       fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube
508    o pkg/seaice/seaice_growth.F
509      Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and
510      merging process. The merged routine has two branches, and one activates the 'evolution'
511      branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now).
512      In summary, here is what the '10/10 revision' did consist of
513        part 1: seaice_growth.F revisions 1.71 to 1.75
514          - Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged.
515            The emphasis here was on improving readability (e.g. by trying to use meaningful
516            variable names) and modularity (e.g. by adding arrays to store heff etc. updates).
517        part 1.5:
518          - revising the lab_sea experiment to make it a more useful (i.e. stable
519            and representative of an actual model run). This was done by generating a
520            (winter) pickup to start from, switching back the main experiment dynamic
521            solver from evp to lsr, having one of the experiments use the free drift solution.
522        part 2: seaice_growth.F revisions 1.76 to 1.85
523          - Sorting out hard-coded constants that prevented heat and fresh water conservation.
524          - Sorting out the various fields units and sign (set early on and reset at the end)
525            to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and
526            fresh water stock is 'effective ice meters', and >0 implies more ice/snow.
527          - Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks,
528            and simplifying logical expressions to further improve readibility.
529        part 3: seaice_growth.F revisions 1.86 to 1.89
530          - Re-organize the blocks of code more logically.
531          - Merging the '_if.F' pieces that add something new.
532    o pkg/thsice:
533      - vectorize thsice_solve4temp and thsice_get_exf.
534        Problem: thsice_solve4temp has an unvectorizable statement that
535        might also be problematic for TAF
536      - thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This
537        does not change the verifcation experiment, but will change all
538        experiments that have this flag undefined (not tested in verification);
539        a little reorganization to save a few 2D fields and recomputations
540      - 1st step of revisiting thsice adjoint (major recomp. sorted out)
541      - 2nd step:  fix some store dirs
542        o seems to work somewhat, i.e. using ifort but not g77
543        o likely cause are incomplete init. or recomputation
544        o start verification/global_ocean.cs32x15/input_ad.thsice
545    o pkg/obcs: add support for exch2
546      - the position of the boundary and prescribed values are specified using
547        a global domain with exch2 facets stacked
548        - in x for N,S boundaries (like W2_mapIO=-1)
549        - in y for E,W boundaries (so E,W boundaries do not overlap)
550    o pkg/mdsio: add support for writing global sections with exch2
551        file layout is as for obcs described above:
552        - for x-z sections, facets are stacked in x (like W2_mapIO=-1)
553        - for y-z sections, facets are stacked in y
554    o pkg/thsice:
555       - change a few routines for better vectorization: thsice_albedo.F,
556         thsice_step_temp.F, and in thsice_calc_thickn.F. Results are
557         not affected, but in particular the latter routine has changed
558         dramatically (not necessarily easier to read now).
559       - re-arrange calculation in THSICE_SOLVE4TEMP: move outside of i,j loops
560       iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF.
561    o verification/lab_sea:
562      - overhaul of the forward model experiments. The main motivation
563        for this revision is that lab_sea has proven quite fragile (when
564        changing the sea-ice code, and switching platforms) to a point
565        when failures were very hard to attribute to specific code problems.
566      - the suspected reason for this fragility is noise amplification by evp so,
567        to start with, we decided to replace evp with lsr in the main experiment.
568      - the input.lsr experiment thus became obsolete and was removed.
569      - it was replaced with the input.fd experiment that uses an
570        analytical "free drift" solution as the ice velocity field.
571      - Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp)
572        will hopefully allow us to discriminate problems due to dynamic solvers
573        from problems due to the thermodynamic code. input.salt_plume (lsr) allows
574        us to test additional options, along with the salt plume package.
575      - Finally a pickup was generated (at the end of a one year run) to
576        make the tests more representative of an actual model run. Previously
577        the tests starting point was a 1m thickness of ice everywhere.
578    o pkg/seaice:
579      - introducing S\R seaice_freedrift.F that compute the
580        analytical solution to an approximate ice momentum
581        equation (i.e. the simple stress/coriolis balance).
582      - define SEAICE_ALLOW_FREEDRIFT to trigger the computation
583        of the free drift velocity field, and enable its use.
584        To actually use the free drift solution as the model ice
585        velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice.
586    o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata"
587    
588    checkpoint62l (2010/10/04)
589    o pkg/seaice:
590      -fix the USE_ORIGINAL_SBI version (for variable freezing point);
591      -use "celsius2K" in SEAICE_VARIABLE_FREEZING_POINT and in new
592       version (with USE_ORIGINAL_SBI undef);
593    o add hooks for new packages OASIS, the package will follow
594      (hooks exclude the seaice pkg for now)
595    o pkg/autodiff: ALLOW_AUTODIFF_WHTAPEIO
596      Option to use mdsio_read_whalos.F/mdsio_write_whalos.F,
597      rather than mdsio_readvector.F/mdsio_writevector.F, within
598      adread_adwrite.F to read/write adjoint-related tapes to disk.
599    o eesupp and pkg/mdsio: ALLOW_WHIO
600      Option to write/read 2D fields to files including tiles halos.
601      The main purpose is for adjoint related "tape I/O".
602      The secondary purpose is for debugging phases.
603      A word on those rather specifically intended purposes.
604      The code was meant to be stripped down to the bare minimum.
605      Typically, there is a unique and basic mapping to the global
606      buffer (tile by tile, then proc by proc, then level by level), and
607      byteswaps and meta-files are omitted. Indeed the (*_WH*) code is not
608      meant to generate user friendly outputs of various shapes and forms.
609      Rather it is intended, for the knowledgeabale developers,
610      to be largely independent of the many mdsio options, to allow
611      outputs of tiles+halos in debugging phases and in adjoint runs,
612      and to allow some flexibility in tuning (adoint) I/O depending on each
613      file system behavior. With regard to tuning, most of the potential knobs
614      (to leave files open, to allocate the I/O indep. of usesinglecpuio,
615      to specify directories, to specify the typical size of I/O calls, etc.)
616      are not yet included, and will be added if they prove useful.
617    o pkg/seaice:
618       fix uninitialised arrays in USE_ORIGINAL_SBI version of seaice_solve4temp.F
619    o pkg/seaice:
620       new S/R seaice_solve4temp.F: this is the merged version of Ian Fenty
621       code (seaice_budget_ice_if.F) which enable to recover old standard
622       code (seaice_budget_ice.F) when option USE_ORIGINAL_SBI is defined.
623       temporary: add "#define USE_ORIGINAL_SBI" at the top of seaice_solve4temp.F.
624    o model/src (rStar):
625       use simple average (not area weighted) of rStarFac at U,V point when using
626       vectorInvariant and selectKEscheme=1,3 (consistent with mom. vertical advection)
627       update output of exp. fizhi-cs-32x32x40 and fizhi-cs-aqualev20.
628    
629    checkpoint62k (2010/09/17)
630    o adjoint
631       * changed verification/global_ocean.cs32x15 ; adjoint now tests
632         Adams-Bashforth 3 + NLFS + RSTAR
633       * some more modifs required for ECCO-GODAE v4
634    o pkg/seaice
635       add SEAICE_AGE_VOL option to use volume instead of area for
636       integrating SEAICE_AGE
637  o model/src:  o model/src:
638     first check-in of sigma & hybrid-sigma coordinate code ; also includes     first check-in of sigma & hybrid-sigma coordinate code ; also includes
639     non-linear free-surface parts ; but pressure-gradient not yet coded.     non-linear free-surface parts ; but pressure-gradient not yet coded.
# Line 273  o tools/build_options: Line 903  o tools/build_options:
903      but keep the former optfile for few weeks for smooth transition      but keep the former optfile for few weeks for smooth transition
904  o pkg/ecco  o pkg/ecco
905    - allow user defined cost function contributions    - allow user defined cost function contributions
906          CPP: ALLOW_USERCOST_CONTRIBUTION       CPP: ALLOW_USERCOST_CONTRIBUTION
907          USAGE: compute contributions in cost_usercost_all.F       USAGE: compute contributions in cost_usercost_all.F
908    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
909        the two options are complementary.        the two options are complementary.
910  o pkg/smooth  o pkg/smooth

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