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revision 1.1352 by gforget, Fri Dec 17 22:00:37 2010 UTC revision 1.1435 by jmc, Wed May 18 02:21:49 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 obcs and 2d/3d solver norm:
8       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
9       and outside OB interior region (will allow to place OB further inside the
10       domain). Depending on the domain, can affects cg2d-Norm (previous
11       cancelation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
12       and cg3d-Norm (previous Norm was computed before canceling OB terms),
13       e.g. in tutorial_plume_on_slope.
14      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
15    o pkg rbcs:
16      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
17      - add capability to apply relaxation to horizontal velocity uVel & vVel.
18    o pkg/grdchk: add gradient check for control variable xx_shifwflx
19    o pkg/shelfice/shelfice_init_fixed.F
20      fix CPP-flag combinations
21    o pkg/seaice: Merge iceage code of Pierre Rampal
22      * update/change/correct ice age calculations
23      * add age updates for pathological cases
24      Probably needs more testing...
25    
26    checkpoint62x (2011/05/13)
27    o pkg/mom_vecinv:
28       high-order vorticity scheme: use interior masks (maskInW & S)
29       to zero-out (outside OB) gradient of vorticity.
30    o verification exp.:
31       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
32       hs94.128x64x5 and seaice_obcs ; update results.
33    o pkg/obcs:
34      fix bug in OBeta for YZ sections in obcs_exf_load.F
35    o pkg/ctrl, pkg/shelfice, and optim:
36      - add new control variable xx_shifwflx (fresh water flux underneath ice
37        shelves). This is almost as tedious as obcs-ctrl, because the
38        variables needs its own mask.
39      - add a cost function term that penalizes the deviation of xx_shifwflx
40        from the first guess (zero) in analogy to other control variables
41    o pkg/shelfice:
42      - start basic adjoint
43    o pkg/ctrl:
44      - remove extra 2D field "for good measure" when initializing in
45        ctrl_set_globfld_[xy/xz/yz].F
46      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
47      - improve error messages in ctrl_set_unpack_*
48    o OBC implementation in momentum:
49       use interior masks (maskInC,W & S) in momentum S/R:
50       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
51       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
52       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
53       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
54       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
55        (and also with Leith/Smagorinsky harmonic-viscosity).
56       Update output of experiment dome and exp4 (+nlfs).
57    o exp4 test-exp:
58      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
59        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
60        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
61        time-varying OB at Western-side for wVel (NonHyd); update output.
62      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
63        and biharmonic-viscosity ; also use prescribed time varying OB.
64    o pkg/obcs:
65      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
66    o model/src:
67      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
68      - initialise startTime & nIter0 with unlikely values: allows to set one
69        from the other without ambiguity.
70    o seaice_obcs test-exp.:
71      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
72    o pkg/obcs:
73      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
74        no longer needed with maskInC,W,S in pkg/generic_advdiff.
75    o pkg/seaice:
76      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
77        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
78      - fixed bug in the initialization of sea ice salinity variable HSALT
79        in seaice_init_varia.F  (removed dependence on ICE2WATR)
80    o fizhi-cs test exp.:
81       switch reference output convention for these 2 non-standard test-exp,
82        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
83          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
84       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
85    o model/inc:
86      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
87        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
88    o pkg/seaice:
89      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
90    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
91      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
92        and initial HSALT
93    
94    checkpoint62w (2011/04/26)
95    o pkg/mom_fluxform:
96      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
97      - use parameter "sideDragFactor" in no-slip BC side-drag part.
98      - update output of exp. global_ocean.90x40x15
99    o pkg/mom_vecinv:
100      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
101    o update seaice exp.:
102      use more consistent parameter values (remove "backward compatability only":
103       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
104      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
105       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
106    o update test-exp global_ocean.90x40x15:
107      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
108      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
109      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
110      o turn on zStar & viscA4 in standard set-up (dir input/)
111        and update output files: output.txt & output.dwnslp.txt
112    o new AD-test experiment: obcs_ctrl
113      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
114    o pkg/dic:
115      fix two bugs in handling water vapour pressure in carbonate chemistry
116      and air-sea fluxes. Found by Val Bennington and Galen McKinley
117      (add DIC Option = WATERVAP_BUG to recover old results)
118      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
119    o adding allowInteriorFreezing option to check for water below freezing point
120      at depth and bring the negative heat anomaly to the surface level
121    o pkgs _fields_load:
122      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
123      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
124        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
125        rbcs to get interpolation weights and time reccord number.
126      - fix multi-threading in aim_fields_load.F
127      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
128    o external_fields_load:
129      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
130       interpolation weights) to use in a periodic time-series ; do not divide by
131       time-step to convert to integer:
132       - this fixes case where externForcingPeriod is not multiple of time-step
133          (Thanks to Christopher L. Wolfe)
134       - this fixes case where externForcingPeriod is an odd multiple of time-step
135         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
136      store index of time-record which is currently loaded:
137       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
138       - needed for the adjoint but not yet used because of extensive recomputations;
139         (to be fixed soon)
140    
141    checkpoint62v (2011/04/02)
142    o verification/1D_ocean_ice_column added to test Ian Fenty's
143      pkg/seaice_growth.F modifications for improving sea ice code differentiability
144    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
145      (new velocity statistics after changing maskInW & maskInS definition)
146    o pkg/generic_advdiff with OBCS:
147      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
148      equivalent to assumption of no tracer gradient outside the OB region.
149      This will affect the results if using obcs+biharmonic diffusion.
150      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
151    o pkg/obcs:
152      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
153      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
154      in Interior region. No impact on solution but affects Velocity monitor stats.
155    o pkg/ptracers (adjoint)
156      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
157      tape file for each tracer
158    o model/inc/src and pkg/autodiff: add parameters that allow to turn
159      of parts of the adjoint code at run time. For now, there are only
160      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
161      parameters are set in data.pkg.
162      This is the lazy coward's version of doing this, but still useful for
163      debugging. In order to do it right, everything needs to be moved to
164      pkg/autodiff.
165    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
166      the end; this fixes the adjoint balancing code for open boundaries.
167    o pkg/ctrl:
168      - change behavior of xx_${varname}period to be analogous to exf-conventions:
169        xx_${varname}period =   0.,  means time-independent control part
170        xx_${varname}period = -12., means one-year-periodic monthly control part
171      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
172        clean up ctrl_init a little, remove unused variables
173      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
174      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
175    
176    checkpoint62u (2011/03/15)
177    o model/src:
178      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
179        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
180      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
181        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
182    o pkg/ctrl/obcs/ecco:
183      - remove obsolete, unused, and partially broken code:
184        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
185        ALLOW_CTRL_OBCS_BALANCE
186      - put a stop statement into ecco/cost_obcsvol.F, but also add
187        cost_obcsvol to ecco_ad_diff.list
188    o pkg/ecco: fix counting cost function contributions for obcs (code
189      by Matt M.) and diffkr for diagnostics
190    o pkg/ecco, pkg/ctrl, pkg/grdchk:
191      add cost penalty terms for initial uvel, vvel, eta controls
192      and I/O for prior error files
193    o pkg/mdsio:
194       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
195       (new argument) to check for tiled file in mdsioLocalDir : this fix the
196       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
197    o pkg/ctrl:
198     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
199       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
200       unused and superfluous variables
201     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
202    o pkg/ecco
203     - enable adjoint of Stevens OB
204    o pkg/ctrl/ecco/grdchk:
205      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
206        Fortunately, we do not have any tests for the numerous cpp-flagged
207        option of "obcs as control parameters" so we will never know
208        if this is an improvement (but at least now things compile).
209      - remove an obsolete initialization from ecco_cost_init_barfiles.F
210      - fix some problems within never used ifdefs to make the code compile
211    o pkg/obcs:
212     - Refine Interior mask definition to work with more complex OB (e.g.
213       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
214       read in Interior mask from file. Check if Interior mask is consistent
215       with OB list of indices.
216    o pkg/seaice
217     - beginning code for a seaice tracer package,
218       but currently only used for seaice age: SEAICE_AGE
219       SEAICE_num = 4
220       iTracer = 1: area-weighted ice age
221               = 2: volume-weighted ice age
222               = 3, 4: template for one-year vs. multi-year ice
223       data.seaice has new namelist SEAICE_PARM03 for arrays related to
224       SEAICE_num
225    
226    checkpoint62t (2011/03/05)
227    o pkg/obcs:
228     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
229       then normal component. This ensures that the normal component is set
230       correctly even when it conficts with tangential setting from an other OB.
231       Affects results of test-experiment seaice_obcs: update the output.txt
232    o pkg/obcs:
233     - add code to monitor statistics of dynamical fields at OB.
234     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
235       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
236       - change default: balance the Net inflow through all OB (instead of balancing
237         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
238     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
239       to match Nortern OB inflow (OBCS_balanceFacN=0).
240    o pkg/seaice:
241     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
242    o pkg/seaice (seaice_growth v 1.113):
243     - reverting seaice_growth to v 1.111 in order to have code with exact bit
244       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
245       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
246       runtime flag SEAICEareaFormula is kept but is inactive
247    o model/src:
248     - add new param to scale curvilinear grid distance and area when using
249       a different sphere radius from the grid-files.
250     - test/check multi-threads EXCH applied to local variable (cg2d_x)
251    o adjoint:
252     - enable adjoint of Stevens OB
253     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
254       (a bit delicate because of potentially modified adj. common block structure;
255       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
256    
257    checkpoint62s (2011/02/15)
258    o pkg/seaice (seaice_growth v 1.112):
259     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
260       computing the ice cover tendency from effective thickness tendencies. Include
261       Ian Fenty's formula.
262     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
263       SEAICEareaFormula.
264     - simplify notations for the various d_HEFF/d_AREA terms.
265    o pkg/gmredi:
266     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
267       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
268       add a verification test-run (front_relax.bvp) to test GM_useBVP.
269    o pkg/seaice (seaice_growth v 1.111):
270     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
271     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
272       also melt ice.
273    o pkg/seaice:
274     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
275     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
276    o pkg/cheapaml:
277     - from Nico Wienders: New version of this package.
278    o pkg/flt:
279     - add CPP options to prevent floats to re-enter the opposite side of
280       a periodic domain (default: keep periodicity)
281    o pkg/gmredi:
282     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
283       (needed for multi-dim advection).
284     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
285    o model/src:
286     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
287    o tutorial_tracer_adjsens
288     - extend to NLFS and replace maskC by hFacC
289       (change reference output accordingly)
290    
291    checkpoint62r (2011/01/24)
292    o testreport:
293     - add option -deloutp (-do) to remove output file after successful run
294     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
295       extract exact list of procs from this file ; adjust COMMAND by
296       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
297    o pkg/ecco: replace old ineffective way of penalizing deviations from
298      first guess (of obcs) with code by Matt Mazloff
299    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
300      exf/cal
301      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
302        and handle case of obcs?period == 0
303        Not affected by these changes: There is still an inconsistency in
304        the computation of start/endrec for the obcs variables for ALLOW_CAL
305        defined (see comment by Menemenlis, 7-Mar-2003)
306      - make S/R ctrl_get_gen_rec return something meaningful even if
307        ALLOW_CAL is not defined
308      - ctrl_getobcs?: simplify code so that it does not need to use
309                       S/R exf_swapfields
310    o testreport:
311       allow to test MPI with different number of processors for each experiment:
312       create file "SIZE.h.mpi" in each build dir.
313       Note: update of "-command" argument not yet implemented.
314    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
315      alleviate the need for additional 3D tapes when using
316      the non-inear free surface in the adjoint. This is done
317      by adding an 'update' of hfacc etc. to their current
318      value at the beginning of forward_step.F.
319    o pkg/seaice
320      seaice_lsr: move stress-divergence computations out of outer pseudo-
321      timestepping loop
322    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
323      up, so that the calls of the ctrl_* subroutines are really at the end
324      of the routine.
325    o pkg/gmredi:
326      allow to specify a 2-D horizontal map and a 1-D vertical profil
327      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
328    o pkg/seaice:
329      move lsr iterations from seaice_dynsolver to seaice_lsr.
330    o pkg/seaice:
331      reduce memory footprint of seaice mutldim advection tapes,
332      by using a 2D tape independent of the generic_advdiff ones,
333      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
334    
335    checkpoint62q (2010/12/29)
336    o model/src:
337      - check horizontal grid-spacing for unset or zero/negative values.
338      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
339    o pkg/flt:
340      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
341      - precision of input and output files set according to readBinaryPrec
342        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
343      - initial float position from tiled file was not converted to index space
344        (looks like a bug): fixed to make it similar to initial pos. global file.
345    o global_ocean.cs32x15:
346       change SIZE.h of AD set-up to get same tiling as with MPI.
347       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
348    o model/src:
349       add flag to control printing of domain fields (bathymetry, hFac ...) in
350       ini_mask_etc (call to plot_fieds_xy*).
351    o pkg/thsice:
352       if useEXF, some forcing fields are not valid in overlap: fixed by computing
353       over the interior only + apply EXCH at the end (like with SEAICE advection).
354    o pkg/mdsio:
355      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
356        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
357      - change barrier call for safe multi-threads access to 3-D shared buffer.
358      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
359      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
360        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
361    o pkg/flt:
362      - add fourth-order Runge-Kutta integration
363      - add basic exch2 support (only 1 facet supported so far!)
364    o pkg/mdsio+rw:
365      new S/R to read local (or tile independent) vector (read counterpart of
366       mds_writevec_loc, and front-end write_glvec_rl/rs).
367    o global_ocean.cs32x15: additional input_ad.seaice experiment
368        that uses pkg/seaice rather than pkg/thsice.
369        (using multidim advection for seaice)
370    o towards more F95 syntax for array specification in namelist:
371      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
372        of all verification experiments.
373           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
374          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
375      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
376  o global_ocean.cs32x15: additional input.seaice experiment  o global_ocean.cs32x15: additional input.seaice experiment
377      that uses pkg/seaice rather than pkg/thsice.      that uses pkg/seaice rather than pkg/thsice.
378    
379  checkpoint62p (2010/12/17)  checkpoint62p (2010/12/17)
380  o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it  o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
381      to THSICE_SIZE.h to avoid conflict with pkg/seaice.      to THSICE_SIZE.h to avoid conflict with pkg/seaice.

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