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revision 1.1346 by jmc, Thu Dec 9 19:12:17 2010 UTC revision 1.1430 by jmc, Thu May 12 23:12:54 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 verification exp.:
8       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
9       hs94.128x64x5 and seaice_obcs ; update results.
10    o pkg/obcs:
11      fix bug in OBeta for YZ sections in obcs_exf_load.F
12    o pkg/ctrl, pkg/shelfice, and optim:
13      - add new control variable xx_shifwflx (fresh water flux underneath ice
14        shelves). This is almost as tedious as obcs-ctrl, because the
15        variables needs its own mask.
16      - add a cost function term that penalizes the deviation of xx_shifwflx
17        from the first guess (zero) in analogy to other control variables
18    o pkg/shelfice:
19      - start basic adjoint
20    o pkg/ctrl:
21      - remove extra 2D field "for good measure" when initializing in
22        ctrl_set_globfld_[xy/xz/yz].F
23      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
24      - improve error messages in ctrl_set_unpack_*
25    o OBC implementation in momentum:
26       use interior masks (maskInC,W & S) in momentum S/R:
27       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
28       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
29       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
30       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
31       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
32        (and also with Leith/Smagorinsky harmonic-viscosity).
33       Update output of experiment dome and exp4 (+nlfs).
34    o exp4 test-exp:
35      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
36        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
37        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
38        time-varying OB at Western-side for wVel (NonHyd); update output.
39      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
40        and biharmonic-viscosity ; also use prescribed time varying OB.
41    o pkg/obcs:
42      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
43    o model/src:
44      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
45      - initialise startTime & nIter0 with unlikely values: allows to set one
46        from the other without ambiguity.
47    o seaice_obcs test-exp.:
48      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
49    o pkg/obcs:
50      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
51        no longer needed with maskInC,W,S in pkg/generic_advdiff.
52    o pkg/seaice:
53      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
54        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
55      - fixed bug in the initialization of sea ice salinity variable HSALT
56        in seaice_init_varia.F  (removed dependence on ICE2WATR)
57    o fizhi-cs test exp.:
58       switch reference output convention for these 2 non-standard test-exp,
59        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
60          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
61       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
62    o model/inc:
63      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
64        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
65    o pkg/seaice:
66      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
67    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
68      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
69        and initial HSALT
70    
71    checkpoint62w (2011/04/26)
72    o pkg/mom_fluxform:
73      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
74      - use parameter "sideDragFactor" in no-slip BC side-drag part.
75      - update output of exp. global_ocean.90x40x15
76    o pkg/mom_vecinv:
77      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
78    o update seaice exp.:
79      use more consistent parameter values (remove "backward compatability only":
80       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
81      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
82       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
83    o update test-exp global_ocean.90x40x15:
84      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
85      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
86      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
87      o turn on zStar & viscA4 in standard set-up (dir input/)
88        and update output files: output.txt & output.dwnslp.txt
89    o new AD-test experiment: obcs_ctrl
90      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
91    o pkg/dic:
92      fix two bugs in handling water vapour pressure in carbonate chemistry
93      and air-sea fluxes. Found by Val Bennington and Galen McKinley
94      (add DIC Option = WATERVAP_BUG to recover old results)
95      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
96    o adding allowInteriorFreezing option to check for water below freezing point
97      at depth and bring the negative heat anomaly to the surface level
98    o pkgs _fields_load:
99      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
100      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
101        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
102        rbcs to get interpolation weights and time reccord number.
103      - fix multi-threading in aim_fields_load.F
104      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
105    o external_fields_load:
106      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
107       interpolation weights) to use in a periodic time-series ; do not divide by
108       time-step to convert to integer:
109       - this fixes case where externForcingPeriod is not multiple of time-step
110          (Thanks to Christopher L. Wolfe)
111       - this fixes case where externForcingPeriod is an odd multiple of time-step
112         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
113      store index of time-record which is currently loaded:
114       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
115       - needed for the adjoint but not yet used because of extensive recomputations;
116         (to be fixed soon)
117    
118    checkpoint62v (2011/04/02)
119    o verification/1D_ocean_ice_column added to test Ian Fenty's
120      pkg/seaice_growth.F modifications for improving sea ice code differentiability
121    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
122      (new velocity statistics after changing maskInW & maskInS definition)
123    o pkg/generic_advdiff with OBCS:
124      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
125      equivalent to assumption of no tracer gradient outside the OB region.
126      This will affect the results if using obcs+biharmonic diffusion.
127      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
128    o pkg/obcs:
129      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
130      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
131      in Interior region. No impact on solution but affects Velocity monitor stats.
132    o pkg/ptracers (adjoint)
133      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
134      tape file for each tracer
135    o model/inc/src and pkg/autodiff: add parameters that allow to turn
136      of parts of the adjoint code at run time. For now, there are only
137      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
138      parameters are set in data.pkg.
139      This is the lazy coward's version of doing this, but still useful for
140      debugging. In order to do it right, everything needs to be moved to
141      pkg/autodiff.
142    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
143      the end; this fixes the adjoint balancing code for open boundaries.
144    o pkg/ctrl:
145      - change behavior of xx_${varname}period to be analogous to exf-conventions:
146        xx_${varname}period =   0.,  means time-independent control part
147        xx_${varname}period = -12., means one-year-periodic monthly control part
148      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
149        clean up ctrl_init a little, remove unused variables
150      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
151      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
152    
153    checkpoint62u (2011/03/15)
154    o model/src:
155      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
156        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
157      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
158        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
159    o pkg/ctrl/obcs/ecco:
160      - remove obsolete, unused, and partially broken code:
161        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
162        ALLOW_CTRL_OBCS_BALANCE
163      - put a stop statement into ecco/cost_obcsvol.F, but also add
164        cost_obcsvol to ecco_ad_diff.list
165    o pkg/ecco: fix counting cost function contributions for obcs (code
166      by Matt M.) and diffkr for diagnostics
167    o pkg/ecco, pkg/ctrl, pkg/grdchk:
168      add cost penalty terms for initial uvel, vvel, eta controls
169      and I/O for prior error files
170    o pkg/mdsio:
171       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
172       (new argument) to check for tiled file in mdsioLocalDir : this fix the
173       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
174    o pkg/ctrl:
175     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
176       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
177       unused and superfluous variables
178     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
179    o pkg/ecco
180     - enable adjoint of Stevens OB
181    o pkg/ctrl/ecco/grdchk:
182      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
183        Fortunately, we do not have any tests for the numerous cpp-flagged
184        option of "obcs as control parameters" so we will never know
185        if this is an improvement (but at least now things compile).
186      - remove an obsolete initialization from ecco_cost_init_barfiles.F
187      - fix some problems within never used ifdefs to make the code compile
188    o pkg/obcs:
189     - Refine Interior mask definition to work with more complex OB (e.g.
190       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
191       read in Interior mask from file. Check if Interior mask is consistent
192       with OB list of indices.
193    o pkg/seaice
194     - beginning code for a seaice tracer package,
195       but currently only used for seaice age: SEAICE_AGE
196       SEAICE_num = 4
197       iTracer = 1: area-weighted ice age
198               = 2: volume-weighted ice age
199               = 3, 4: template for one-year vs. multi-year ice
200       data.seaice has new namelist SEAICE_PARM03 for arrays related to
201       SEAICE_num
202    
203    checkpoint62t (2011/03/05)
204    o pkg/obcs:
205     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
206       then normal component. This ensures that the normal component is set
207       correctly even when it conficts with tangential setting from an other OB.
208       Affects results of test-experiment seaice_obcs: update the output.txt
209    o pkg/obcs:
210     - add code to monitor statistics of dynamical fields at OB.
211     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
212       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
213       - change default: balance the Net inflow through all OB (instead of balancing
214         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
215     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
216       to match Nortern OB inflow (OBCS_balanceFacN=0).
217    o pkg/seaice:
218     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
219    o pkg/seaice (seaice_growth v 1.113):
220     - reverting seaice_growth to v 1.111 in order to have code with exact bit
221       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
222       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
223       runtime flag SEAICEareaFormula is kept but is inactive
224    o model/src:
225     - add new param to scale curvilinear grid distance and area when using
226       a different sphere radius from the grid-files.
227     - test/check multi-threads EXCH applied to local variable (cg2d_x)
228    o adjoint:
229     - enable adjoint of Stevens OB
230     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
231       (a bit delicate because of potentially modified adj. common block structure;
232       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
233    
234    checkpoint62s (2011/02/15)
235    o pkg/seaice (seaice_growth v 1.112):
236     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
237       computing the ice cover tendency from effective thickness tendencies. Include
238       Ian Fenty's formula.
239     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
240       SEAICEareaFormula.
241     - simplify notations for the various d_HEFF/d_AREA terms.
242    o pkg/gmredi:
243     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
244       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
245       add a verification test-run (front_relax.bvp) to test GM_useBVP.
246    o pkg/seaice (seaice_growth v 1.111):
247     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
248     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
249       also melt ice.
250    o pkg/seaice:
251     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
252     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
253    o pkg/cheapaml:
254     - from Nico Wienders: New version of this package.
255    o pkg/flt:
256     - add CPP options to prevent floats to re-enter the opposite side of
257       a periodic domain (default: keep periodicity)
258    o pkg/gmredi:
259     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
260       (needed for multi-dim advection).
261     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
262    o model/src:
263     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
264    o tutorial_tracer_adjsens
265     - extend to NLFS and replace maskC by hFacC
266       (change reference output accordingly)
267    
268    checkpoint62r (2011/01/24)
269    o testreport:
270     - add option -deloutp (-do) to remove output file after successful run
271     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
272       extract exact list of procs from this file ; adjust COMMAND by
273       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
274    o pkg/ecco: replace old ineffective way of penalizing deviations from
275      first guess (of obcs) with code by Matt Mazloff
276    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
277      exf/cal
278      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
279        and handle case of obcs?period == 0
280        Not affected by these changes: There is still an inconsistency in
281        the computation of start/endrec for the obcs variables for ALLOW_CAL
282        defined (see comment by Menemenlis, 7-Mar-2003)
283      - make S/R ctrl_get_gen_rec return something meaningful even if
284        ALLOW_CAL is not defined
285      - ctrl_getobcs?: simplify code so that it does not need to use
286                       S/R exf_swapfields
287    o testreport:
288       allow to test MPI with different number of processors for each experiment:
289       create file "SIZE.h.mpi" in each build dir.
290       Note: update of "-command" argument not yet implemented.
291    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
292      alleviate the need for additional 3D tapes when using
293      the non-inear free surface in the adjoint. This is done
294      by adding an 'update' of hfacc etc. to their current
295      value at the beginning of forward_step.F.
296    o pkg/seaice
297      seaice_lsr: move stress-divergence computations out of outer pseudo-
298      timestepping loop
299    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
300      up, so that the calls of the ctrl_* subroutines are really at the end
301      of the routine.
302    o pkg/gmredi:
303      allow to specify a 2-D horizontal map and a 1-D vertical profil
304      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
305    o pkg/seaice:
306      move lsr iterations from seaice_dynsolver to seaice_lsr.
307    o pkg/seaice:
308      reduce memory footprint of seaice mutldim advection tapes,
309      by using a 2D tape independent of the generic_advdiff ones,
310      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
311    
312    checkpoint62q (2010/12/29)
313    o model/src:
314      - check horizontal grid-spacing for unset or zero/negative values.
315      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
316    o pkg/flt:
317      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
318      - precision of input and output files set according to readBinaryPrec
319        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
320      - initial float position from tiled file was not converted to index space
321        (looks like a bug): fixed to make it similar to initial pos. global file.
322    o global_ocean.cs32x15:
323       change SIZE.h of AD set-up to get same tiling as with MPI.
324       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
325    o model/src:
326       add flag to control printing of domain fields (bathymetry, hFac ...) in
327       ini_mask_etc (call to plot_fieds_xy*).
328    o pkg/thsice:
329       if useEXF, some forcing fields are not valid in overlap: fixed by computing
330       over the interior only + apply EXCH at the end (like with SEAICE advection).
331    o pkg/mdsio:
332      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
333        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
334      - change barrier call for safe multi-threads access to 3-D shared buffer.
335      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
336      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
337        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
338    o pkg/flt:
339      - add fourth-order Runge-Kutta integration
340      - add basic exch2 support (only 1 facet supported so far!)
341    o pkg/mdsio+rw:
342      new S/R to read local (or tile independent) vector (read counterpart of
343       mds_writevec_loc, and front-end write_glvec_rl/rs).
344    o global_ocean.cs32x15: additional input_ad.seaice experiment
345        that uses pkg/seaice rather than pkg/thsice.
346        (using multidim advection for seaice)
347    o towards more F95 syntax for array specification in namelist:
348      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
349        of all verification experiments.
350           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
351          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
352      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
353    o global_ocean.cs32x15: additional input.seaice experiment
354        that uses pkg/seaice rather than pkg/thsice.
355    
356    checkpoint62p (2010/12/17)
357    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
358        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
359    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
360        allow for use of multim. advection in seaice adjoint.
361    o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
362      - first attempt to close budgets by taking into account the freshwater
363        flux implied by the sublimation of snow and ice. So far only the
364        volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
365        SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
366    o eesupp/src:
367      new S/R with new option (NML_EXTENDED_F77) to change array specification
368      from F95 standard to commonly accepted extended F77 form.
369      This would allow to use F95 syntax in namelist (needed with gfortran 4.4.5)
370      and to revert back to the original syntax (with -DNML_EXTENDED_F77)
371      for less tolerant f77 compiler (e.g., pgf77, g77).
372  o globalFiles:  o globalFiles:
373    commented out in parameter file "data" since it's not safe with MPI    commented out in parameter file "data" since it's not safe with MPI
374    (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much    (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much

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