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revision 1.1361 by jmc, Wed Dec 29 16:41:28 2010 UTC revision 1.1434 by heimbach, Tue May 17 19:51:28 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 rbcs:
8      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
9      - add capability to apply relaxation to horizontal velocity uVel & vVel.
10    o pkg/grdchk: add gradient check for control variable xx_shifwflx
11    o pkg/shelfice/shelfice_init_fixed.F
12      fix CPP-flag combinations
13    o pkg/seaice: Merge iceage code of Pierre Rampal
14      * update/change/correct ice age calculations
15      * add age updates for pathological cases
16      Probably needs more testing...
17    
18    checkpoint62x (2011/05/13)
19    o pkg/mom_vecinv:
20       high-order vorticity scheme: use interior masks (maskInW & S)
21       to zero-out (outside OB) gradient of vorticity.
22    o verification exp.:
23       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
24       hs94.128x64x5 and seaice_obcs ; update results.
25    o pkg/obcs:
26      fix bug in OBeta for YZ sections in obcs_exf_load.F
27    o pkg/ctrl, pkg/shelfice, and optim:
28      - add new control variable xx_shifwflx (fresh water flux underneath ice
29        shelves). This is almost as tedious as obcs-ctrl, because the
30        variables needs its own mask.
31      - add a cost function term that penalizes the deviation of xx_shifwflx
32        from the first guess (zero) in analogy to other control variables
33    o pkg/shelfice:
34      - start basic adjoint
35    o pkg/ctrl:
36      - remove extra 2D field "for good measure" when initializing in
37        ctrl_set_globfld_[xy/xz/yz].F
38      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
39      - improve error messages in ctrl_set_unpack_*
40    o OBC implementation in momentum:
41       use interior masks (maskInC,W & S) in momentum S/R:
42       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
43       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
44       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
45       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
46       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
47        (and also with Leith/Smagorinsky harmonic-viscosity).
48       Update output of experiment dome and exp4 (+nlfs).
49    o exp4 test-exp:
50      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
51        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
52        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
53        time-varying OB at Western-side for wVel (NonHyd); update output.
54      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
55        and biharmonic-viscosity ; also use prescribed time varying OB.
56    o pkg/obcs:
57      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
58    o model/src:
59      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
60      - initialise startTime & nIter0 with unlikely values: allows to set one
61        from the other without ambiguity.
62    o seaice_obcs test-exp.:
63      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
64    o pkg/obcs:
65      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
66        no longer needed with maskInC,W,S in pkg/generic_advdiff.
67    o pkg/seaice:
68      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
69        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
70      - fixed bug in the initialization of sea ice salinity variable HSALT
71        in seaice_init_varia.F  (removed dependence on ICE2WATR)
72    o fizhi-cs test exp.:
73       switch reference output convention for these 2 non-standard test-exp,
74        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
75          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
76       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
77    o model/inc:
78      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
79        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
80    o pkg/seaice:
81      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
82    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
83      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
84        and initial HSALT
85    
86    checkpoint62w (2011/04/26)
87    o pkg/mom_fluxform:
88      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
89      - use parameter "sideDragFactor" in no-slip BC side-drag part.
90      - update output of exp. global_ocean.90x40x15
91    o pkg/mom_vecinv:
92      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
93    o update seaice exp.:
94      use more consistent parameter values (remove "backward compatability only":
95       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
96      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
97       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
98    o update test-exp global_ocean.90x40x15:
99      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
100      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
101      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
102      o turn on zStar & viscA4 in standard set-up (dir input/)
103        and update output files: output.txt & output.dwnslp.txt
104    o new AD-test experiment: obcs_ctrl
105      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
106    o pkg/dic:
107      fix two bugs in handling water vapour pressure in carbonate chemistry
108      and air-sea fluxes. Found by Val Bennington and Galen McKinley
109      (add DIC Option = WATERVAP_BUG to recover old results)
110      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
111    o adding allowInteriorFreezing option to check for water below freezing point
112      at depth and bring the negative heat anomaly to the surface level
113    o pkgs _fields_load:
114      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
115      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
116        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
117        rbcs to get interpolation weights and time reccord number.
118      - fix multi-threading in aim_fields_load.F
119      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
120    o external_fields_load:
121      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
122       interpolation weights) to use in a periodic time-series ; do not divide by
123       time-step to convert to integer:
124       - this fixes case where externForcingPeriod is not multiple of time-step
125          (Thanks to Christopher L. Wolfe)
126       - this fixes case where externForcingPeriod is an odd multiple of time-step
127         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
128      store index of time-record which is currently loaded:
129       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
130       - needed for the adjoint but not yet used because of extensive recomputations;
131         (to be fixed soon)
132    
133    checkpoint62v (2011/04/02)
134    o verification/1D_ocean_ice_column added to test Ian Fenty's
135      pkg/seaice_growth.F modifications for improving sea ice code differentiability
136    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
137      (new velocity statistics after changing maskInW & maskInS definition)
138    o pkg/generic_advdiff with OBCS:
139      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
140      equivalent to assumption of no tracer gradient outside the OB region.
141      This will affect the results if using obcs+biharmonic diffusion.
142      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
143    o pkg/obcs:
144      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
145      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
146      in Interior region. No impact on solution but affects Velocity monitor stats.
147    o pkg/ptracers (adjoint)
148      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
149      tape file for each tracer
150    o model/inc/src and pkg/autodiff: add parameters that allow to turn
151      of parts of the adjoint code at run time. For now, there are only
152      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
153      parameters are set in data.pkg.
154      This is the lazy coward's version of doing this, but still useful for
155      debugging. In order to do it right, everything needs to be moved to
156      pkg/autodiff.
157    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
158      the end; this fixes the adjoint balancing code for open boundaries.
159    o pkg/ctrl:
160      - change behavior of xx_${varname}period to be analogous to exf-conventions:
161        xx_${varname}period =   0.,  means time-independent control part
162        xx_${varname}period = -12., means one-year-periodic monthly control part
163      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
164        clean up ctrl_init a little, remove unused variables
165      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
166      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
167    
168    checkpoint62u (2011/03/15)
169    o model/src:
170      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
171        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
172      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
173        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
174    o pkg/ctrl/obcs/ecco:
175      - remove obsolete, unused, and partially broken code:
176        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
177        ALLOW_CTRL_OBCS_BALANCE
178      - put a stop statement into ecco/cost_obcsvol.F, but also add
179        cost_obcsvol to ecco_ad_diff.list
180    o pkg/ecco: fix counting cost function contributions for obcs (code
181      by Matt M.) and diffkr for diagnostics
182    o pkg/ecco, pkg/ctrl, pkg/grdchk:
183      add cost penalty terms for initial uvel, vvel, eta controls
184      and I/O for prior error files
185    o pkg/mdsio:
186       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
187       (new argument) to check for tiled file in mdsioLocalDir : this fix the
188       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
189    o pkg/ctrl:
190     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
191       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
192       unused and superfluous variables
193     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
194    o pkg/ecco
195     - enable adjoint of Stevens OB
196    o pkg/ctrl/ecco/grdchk:
197      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
198        Fortunately, we do not have any tests for the numerous cpp-flagged
199        option of "obcs as control parameters" so we will never know
200        if this is an improvement (but at least now things compile).
201      - remove an obsolete initialization from ecco_cost_init_barfiles.F
202      - fix some problems within never used ifdefs to make the code compile
203    o pkg/obcs:
204     - Refine Interior mask definition to work with more complex OB (e.g.
205       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
206       read in Interior mask from file. Check if Interior mask is consistent
207       with OB list of indices.
208    o pkg/seaice
209     - beginning code for a seaice tracer package,
210       but currently only used for seaice age: SEAICE_AGE
211       SEAICE_num = 4
212       iTracer = 1: area-weighted ice age
213               = 2: volume-weighted ice age
214               = 3, 4: template for one-year vs. multi-year ice
215       data.seaice has new namelist SEAICE_PARM03 for arrays related to
216       SEAICE_num
217    
218    checkpoint62t (2011/03/05)
219    o pkg/obcs:
220     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
221       then normal component. This ensures that the normal component is set
222       correctly even when it conficts with tangential setting from an other OB.
223       Affects results of test-experiment seaice_obcs: update the output.txt
224    o pkg/obcs:
225     - add code to monitor statistics of dynamical fields at OB.
226     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
227       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
228       - change default: balance the Net inflow through all OB (instead of balancing
229         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
230     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
231       to match Nortern OB inflow (OBCS_balanceFacN=0).
232    o pkg/seaice:
233     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
234    o pkg/seaice (seaice_growth v 1.113):
235     - reverting seaice_growth to v 1.111 in order to have code with exact bit
236       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
237       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
238       runtime flag SEAICEareaFormula is kept but is inactive
239    o model/src:
240     - add new param to scale curvilinear grid distance and area when using
241       a different sphere radius from the grid-files.
242     - test/check multi-threads EXCH applied to local variable (cg2d_x)
243    o adjoint:
244     - enable adjoint of Stevens OB
245     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
246       (a bit delicate because of potentially modified adj. common block structure;
247       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
248    
249    checkpoint62s (2011/02/15)
250    o pkg/seaice (seaice_growth v 1.112):
251     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
252       computing the ice cover tendency from effective thickness tendencies. Include
253       Ian Fenty's formula.
254     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
255       SEAICEareaFormula.
256     - simplify notations for the various d_HEFF/d_AREA terms.
257    o pkg/gmredi:
258     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
259       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
260       add a verification test-run (front_relax.bvp) to test GM_useBVP.
261    o pkg/seaice (seaice_growth v 1.111):
262     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
263     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
264       also melt ice.
265    o pkg/seaice:
266     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
267     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
268    o pkg/cheapaml:
269     - from Nico Wienders: New version of this package.
270    o pkg/flt:
271     - add CPP options to prevent floats to re-enter the opposite side of
272       a periodic domain (default: keep periodicity)
273    o pkg/gmredi:
274     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
275       (needed for multi-dim advection).
276     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
277    o model/src:
278     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
279    o tutorial_tracer_adjsens
280     - extend to NLFS and replace maskC by hFacC
281       (change reference output accordingly)
282    
283    checkpoint62r (2011/01/24)
284    o testreport:
285     - add option -deloutp (-do) to remove output file after successful run
286     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
287       extract exact list of procs from this file ; adjust COMMAND by
288       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
289    o pkg/ecco: replace old ineffective way of penalizing deviations from
290      first guess (of obcs) with code by Matt Mazloff
291    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
292      exf/cal
293      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
294        and handle case of obcs?period == 0
295        Not affected by these changes: There is still an inconsistency in
296        the computation of start/endrec for the obcs variables for ALLOW_CAL
297        defined (see comment by Menemenlis, 7-Mar-2003)
298      - make S/R ctrl_get_gen_rec return something meaningful even if
299        ALLOW_CAL is not defined
300      - ctrl_getobcs?: simplify code so that it does not need to use
301                       S/R exf_swapfields
302    o testreport:
303       allow to test MPI with different number of processors for each experiment:
304       create file "SIZE.h.mpi" in each build dir.
305       Note: update of "-command" argument not yet implemented.
306    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
307      alleviate the need for additional 3D tapes when using
308      the non-inear free surface in the adjoint. This is done
309      by adding an 'update' of hfacc etc. to their current
310      value at the beginning of forward_step.F.
311    o pkg/seaice
312      seaice_lsr: move stress-divergence computations out of outer pseudo-
313      timestepping loop
314    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
315      up, so that the calls of the ctrl_* subroutines are really at the end
316      of the routine.
317    o pkg/gmredi:
318      allow to specify a 2-D horizontal map and a 1-D vertical profil
319      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
320    o pkg/seaice:
321      move lsr iterations from seaice_dynsolver to seaice_lsr.
322    o pkg/seaice:
323      reduce memory footprint of seaice mutldim advection tapes,
324      by using a 2D tape independent of the generic_advdiff ones,
325      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
326    
327  checkpoint62q (2010/12/29)  checkpoint62q (2010/12/29)
328  o model/src:  o model/src:
329    - check horizontal grid-spacing for unset or zero/negative values.    - check horizontal grid-spacing for unset or zero/negative values.

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