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revision 1.1349 by mlosch, Thu Dec 16 08:34:01 2010 UTC revision 1.1464 by ifenty, Fri Jun 24 15:51:59 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 1D_ocean_ice_column:
8       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
9       update results
10    o pkg/diagnostics:
11     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
12       which are not filled-up but computed from other diags ; In this case, the mate
13       diag points to the primary (filled-up) diag to used for post processing.
14     - Update Velocity-potential computation using post-processed diag framework.
15     ==> Change the ordering of fields and time-periods in MDS output file
16       when using periodic averaging: now writes one time record with the full set
17       of fields for this time period, then the next time reccord (it used to be
18       one field with the full set of time records then the next field).
19         Note: this is now similar to NetCDF (MNC) output file. <==
20     - Extend the use of "missing_value" setting from data.diagnostics for the case
21       of counter-diagnostics (where fraction-weight is zero). This applies both to
22       MNC and MDS output files.
23    
24    checkpoint62z (2011/06/21)
25    o adjoint monitor:
26     - Add adjoint monitor output for packages exf, seaice
27       and update relevant testreport output
28    o pkg/seaice:
29     - re-order diags inits so that they appear in order in available_diagnostics.log
30     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
31       area/heff/hsnow preceeding thermodynamic growth/melt.
32     - modified diag: SIdA; output actual effect, as the description states.
33     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
34     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
35       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
36        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
37     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
38     - added diagnostics for seaice generic tracers (SItr*).
39     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
40     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
41     I. Fenty: 18-Jun-2011:
42     Minor changes to seaice package:
43     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
44        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
45       - Differentiated "regularization variables" from "floor variables"
46        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
47        * hiceMin became SEAICE_hice_reg (old hiceMin)
48          (with _reg meaning regularization variable)
49       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
50        so as to ensure energy conservation when going between phases
51      - A22 was not used anywhere
52     2) Changed regularization procedure for heffActual and hsnowActual to ensure
53        well-boundedness and smooth adjoint in seaice_growth.F
54     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
55        because the old regularization always set heffActual >= 0.05 cm
56     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
57        on AREA when HEFF > 0.
58      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
59        requiring that DISABLE_AREA_FLOOR *not* be defined
60     Affected verifications:
61      - 1D_ocean_ice_column (output.txt output_adm.txt)
62      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
63    o pkg/diagnostics:
64      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
65      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
66        (was _RL, now integer) with option = 0 to retrieve all levels.
67      - add pieces of code to compute velocity potential at each level (new diagnostics
68        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
69        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
70      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
71        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
72        and in diagnostics_fract_fill.F (do not need a valid pointer for the
73        diagnostics counter-mate); check that definition of counter-diagnostic
74        includes a valid counter-mate (in diagnostics_set_levels.F).
75    o model/src (rStar):
76      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
77        affect solution only if z* with full pressure in EOS;
78        update output of test-exp global_ocean.90x40x15.
79    o pkg/seaice:
80      - introduce siEps=1e-5 parameter
81      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
82      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
83      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
84        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
85        as well as ice cover age and ridging index (attached to AREA).
86        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
87        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
88        Up to SItrMaxNum=3 tracers can be used simultaneously.
89    o pkg/salt_plume:
90      -introduce SPsalFRAC run time parameter that sets the fraction of the
91       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
92       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
93    o model debug options:
94      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
95        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
96      - Refine debug-msg printing selection (3 new levels):
97        debugMode  : controls printing of debug messages (sequence of S/R calls).
98        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
99         debLevZero =  0 ; /* level of disabled aux. msg printing */
100         debLevA =  1 ; /* level of minimum  aux. msg printing */
101         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
102         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
103         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
104         debLevE =  5 ; /* level of extensive debug printing */
105        New debugLevel default: with default debugMode value (=F),
106          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
107          and if debugMode=T, default debugLevel = 4 (debLevD).
108        Relation with previous settings:
109         debLevB (=2) corresponds to former debLevA (=1)
110         debLevD (=4) corresponds to former debLevB (=2)
111        Note:
112         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
113         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
114            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
115      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
116        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
117    o pkg/obcs:
118      - change OBCSfixTopo default from True to False (should not change the results);
119        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
120    o pkg/thsice:
121      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
122        2nd layer seaice sublimation (unlikely to happen)
123      - use Interior mask for OBCS in thsice_advection.F (similar to what is
124        done in gad_advection & seaice_advection).
125    o adjoint:
126      bug fix spotted by Gael Forget:
127      seaice_advection and thsice_advection still had
128      legacy CPP options to avoid CS corner updates for adjoint
129    o pkg/seaice:
130      => Change some of the defaults (2011/05/29):
131         - change SEAICEuseFluxForm default (from False to True)
132         - change DIFF1 default (from 0.004 m/s to 0. m/s)
133         And print warnings if DIFF1 is not set in data.seaice and centered
134          avection scheme is used without any diffusion.
135      also:
136      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
137      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
138      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
139        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
140        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
141      update results of test exp.:
142         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
143             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
144             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
145         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
146         seaice_obcs: output (SEAICEuseFluxForm=T)
147      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
148          for standard fwd & AD lab_sea tests (to keep the same output).
149    o pkg/seaice/seaice_growth.F:
150      - use Ian Fenty's capping formulas for actual ice
151      thickness thoughout EVOLUTION branch.
152      - put treatment pathological case #2) in CPP brackets
153      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
154      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
155    o pkg/seaice:
156      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
157      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
158      also pass fac as a param, which can be 1. (to update the tendency
159      field) or the time step (to update the field itself).
160      - seaice_advdiff.F: for multidim, call seaice_diffusion with
161      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
162      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
163      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
164      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
165    o pkg/seaice:
166      diffusion with centered advection scheme (diffus.F & advect.F):
167      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
168        to just compute the laplacian of input-field.
169      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
170      - fix flux-form version in diffus.F to conserve tracer.
171      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
172       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
173    
174    checkpoint62y (2011/05/26)
175    o pkg/seaice:
176     - seaice_growth.F : in EVOLUTION branch, always include
177       a_QSWbyATM_cover in qnet (as it should be).
178     - verification/global_ocean.cs32x15 : update results accordingly
179       (output.seaice.txt output_adm.seaice.txt).
180    o pkg/seaice + obcs:
181     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
182       equivalent of assuming no tracer gradient outside the OB region.
183       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
184     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
185       after changes above);
186     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
187       only at OB location (instead of over a band of OLx width).
188    o pkg/seaice:
189     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
190       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
191    o pkg/obcs:
192      - split header file "OBCS.h" into 4 separated files:
193        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
194       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
195         (contain no conditional statement which depends on OBCS options).
196      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
197        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
198    o ctrl, cost, grdchk & autodiff pkgs:
199      - make options file more standard (like other {PKG}_OPTIONS.h file but
200        with AD_CONFIG.h); clean-up some of the included header files.
201    o pkg/obcs:
202      - do not mask tracer when applying OB (tracer == 0 could generate problems)
203      - apply tracer OB values to tracer field only at OB location (instead of
204        over a band of OLx width)
205      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
206      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
207        obcs_apply_tloc.F & obcs_apply_sloc.F
208    o obcs in model/src:
209      - call OBCS_APPLY_W only if NonHydrostatic.
210      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
211      - reset dEtaHdt and wVel to zero outside OB interior region ;
212      - leave tracer unchanged outside OB interior region: This has no effect
213        on the solution but just to prevent unrealistic tracer value outside OB.
214      - zero out velocity outside OB interior region: This has no effect on
215        the solution but just to prevent unrealistic velocity outside OB.
216    o obcs and non-lin free-surf:
217       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
218       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
219       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
220       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
221       update results of test-exp. exp4(nlfs).
222    o exp4 (nlfs) test-exp:
223       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
224       with NonLin-FreeSurf); update output.nlfs.txt
225    o obcs and 2d/3d solver norm:
226       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
227       and outside OB interior region (will allow to place OB further inside the
228       domain). Depending on the domain, can affects cg2d-Norm (previous
229       cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
230       and cg3d-Norm (previous Norm was computed before canceling OB terms),
231       e.g. in tutorial_plume_on_slope.
232      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
233    o pkg rbcs:
234      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
235      - add capability to apply relaxation to horizontal velocity uVel & vVel.
236    o pkg/grdchk: add gradient check for control variable xx_shifwflx
237    o pkg/shelfice/shelfice_init_fixed.F
238      fix CPP-flag combinations
239    o pkg/seaice: Merge iceage code of Pierre Rampal
240      * update/change/correct ice age calculations
241      * add age updates for pathological cases
242      Probably needs more testing...
243    
244    checkpoint62x (2011/05/13)
245    o pkg/mom_vecinv:
246       high-order vorticity scheme: use interior masks (maskInW & S)
247       to zero-out (outside OB) gradient of vorticity.
248    o verification exp.:
249       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
250       hs94.128x64x5 and seaice_obcs ; update results.
251    o pkg/obcs:
252      fix bug in OBeta for YZ sections in obcs_exf_load.F
253    o pkg/ctrl, pkg/shelfice, and optim:
254      - add new control variable xx_shifwflx (fresh water flux underneath ice
255        shelves). This is almost as tedious as obcs-ctrl, because the
256        variables needs its own mask.
257      - add a cost function term that penalizes the deviation of xx_shifwflx
258        from the first guess (zero) in analogy to other control variables
259    o pkg/shelfice:
260      - start basic adjoint
261    o pkg/ctrl:
262      - remove extra 2D field "for good measure" when initializing in
263        ctrl_set_globfld_[xy/xz/yz].F
264      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
265      - improve error messages in ctrl_set_unpack_*
266    o OBC implementation in momentum:
267       use interior masks (maskInC,W & S) in momentum S/R:
268       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
269       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
270       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
271       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
272       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
273        (and also with Leith/Smagorinsky harmonic-viscosity).
274       Update output of experiment dome and exp4 (+nlfs).
275    o exp4 test-exp:
276      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
277        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
278        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
279        time-varying OB at Western-side for wVel (NonHyd); update output.
280      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
281        and biharmonic-viscosity ; also use prescribed time varying OB.
282    o pkg/obcs:
283      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
284    o model/src:
285      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
286      - initialise startTime & nIter0 with unlikely values: allows to set one
287        from the other without ambiguity.
288    o seaice_obcs test-exp.:
289      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
290    o pkg/obcs:
291      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
292        no longer needed with maskInC,W,S in pkg/generic_advdiff.
293    o pkg/seaice:
294      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
295        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
296      - fixed bug in the initialization of sea ice salinity variable HSALT
297        in seaice_init_varia.F  (removed dependence on ICE2WATR)
298    o fizhi-cs test exp.:
299       switch reference output convention for these 2 non-standard test-exp,
300        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
301          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
302       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
303    o model/inc:
304      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
305        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
306    o pkg/seaice:
307      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
308    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
309      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
310        and initial HSALT
311    
312    checkpoint62w (2011/04/26)
313    o pkg/mom_fluxform:
314      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
315      - use parameter "sideDragFactor" in no-slip BC side-drag part.
316      - update output of exp. global_ocean.90x40x15
317    o pkg/mom_vecinv:
318      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
319    o update seaice exp.:
320      use more consistent parameter values (remove "backward compatability only":
321       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
322      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
323       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
324    o update test-exp global_ocean.90x40x15:
325      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
326      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
327      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
328      o turn on zStar & viscA4 in standard set-up (dir input/)
329        and update output files: output.txt & output.dwnslp.txt
330    o new AD-test experiment: obcs_ctrl
331      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
332    o pkg/dic:
333      fix two bugs in handling water vapour pressure in carbonate chemistry
334      and air-sea fluxes. Found by Val Bennington and Galen McKinley
335      (add DIC Option = WATERVAP_BUG to recover old results)
336      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
337    o adding allowInteriorFreezing option to check for water below freezing point
338      at depth and bring the negative heat anomaly to the surface level
339    o pkgs _fields_load:
340      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
341      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
342        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
343        rbcs to get interpolation weights and time reccord number.
344      - fix multi-threading in aim_fields_load.F
345      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
346    o external_fields_load:
347      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
348       interpolation weights) to use in a periodic time-series ; do not divide by
349       time-step to convert to integer:
350       - this fixes case where externForcingPeriod is not multiple of time-step
351          (Thanks to Christopher L. Wolfe)
352       - this fixes case where externForcingPeriod is an odd multiple of time-step
353         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
354      store index of time-record which is currently loaded:
355       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
356       - needed for the adjoint but not yet used because of extensive recomputations;
357         (to be fixed soon)
358    
359    checkpoint62v (2011/04/02)
360    o verification/1D_ocean_ice_column added to test Ian Fenty's
361      pkg/seaice_growth.F modifications for improving sea ice code differentiability
362    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
363      (new velocity statistics after changing maskInW & maskInS definition)
364    o pkg/generic_advdiff with OBCS:
365      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
366      equivalent to assumption of no tracer gradient outside the OB region.
367      This will affect the results if using obcs+biharmonic diffusion.
368      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
369    o pkg/obcs:
370      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
371      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
372      in Interior region. No impact on solution but affects Velocity monitor stats.
373    o pkg/ptracers (adjoint)
374      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
375      tape file for each tracer
376    o model/inc/src and pkg/autodiff: add parameters that allow to turn
377      of parts of the adjoint code at run time. For now, there are only
378      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
379      parameters are set in data.pkg.
380      This is the lazy coward's version of doing this, but still useful for
381      debugging. In order to do it right, everything needs to be moved to
382      pkg/autodiff.
383    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
384      the end; this fixes the adjoint balancing code for open boundaries.
385    o pkg/ctrl:
386      - change behavior of xx_${varname}period to be analogous to exf-conventions:
387        xx_${varname}period =   0.,  means time-independent control part
388        xx_${varname}period = -12., means one-year-periodic monthly control part
389      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
390        clean up ctrl_init a little, remove unused variables
391      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
392      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
393    
394    checkpoint62u (2011/03/15)
395    o model/src:
396      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
397        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
398      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
399        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
400    o pkg/ctrl/obcs/ecco:
401      - remove obsolete, unused, and partially broken code:
402        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
403        ALLOW_CTRL_OBCS_BALANCE
404      - put a stop statement into ecco/cost_obcsvol.F, but also add
405        cost_obcsvol to ecco_ad_diff.list
406    o pkg/ecco: fix counting cost function contributions for obcs (code
407      by Matt M.) and diffkr for diagnostics
408    o pkg/ecco, pkg/ctrl, pkg/grdchk:
409      add cost penalty terms for initial uvel, vvel, eta controls
410      and I/O for prior error files
411    o pkg/mdsio:
412       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
413       (new argument) to check for tiled file in mdsioLocalDir : this fix the
414       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
415    o pkg/ctrl:
416     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
417       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
418       unused and superfluous variables
419     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
420    o pkg/ecco
421     - enable adjoint of Stevens OB
422    o pkg/ctrl/ecco/grdchk:
423      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
424        Fortunately, we do not have any tests for the numerous cpp-flagged
425        option of "obcs as control parameters" so we will never know
426        if this is an improvement (but at least now things compile).
427      - remove an obsolete initialization from ecco_cost_init_barfiles.F
428      - fix some problems within never used ifdefs to make the code compile
429    o pkg/obcs:
430     - Refine Interior mask definition to work with more complex OB (e.g.
431       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
432       read in Interior mask from file. Check if Interior mask is consistent
433       with OB list of indices.
434    o pkg/seaice
435     - beginning code for a seaice tracer package,
436       but currently only used for seaice age: SEAICE_AGE
437       SEAICE_num = 4
438       iTracer = 1: area-weighted ice age
439               = 2: volume-weighted ice age
440               = 3, 4: template for one-year vs. multi-year ice
441       data.seaice has new namelist SEAICE_PARM03 for arrays related to
442       SEAICE_num
443    
444    checkpoint62t (2011/03/05)
445    o pkg/obcs:
446     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
447       then normal component. This ensures that the normal component is set
448       correctly even when it conficts with tangential setting from an other OB.
449       Affects results of test-experiment seaice_obcs: update the output.txt
450    o pkg/obcs:
451     - add code to monitor statistics of dynamical fields at OB.
452     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
453       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
454       - change default: balance the Net inflow through all OB (instead of balancing
455         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
456     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
457       to match Nortern OB inflow (OBCS_balanceFacN=0).
458    o pkg/seaice:
459     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
460    o pkg/seaice (seaice_growth v 1.113):
461     - reverting seaice_growth to v 1.111 in order to have code with exact bit
462       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
463       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
464       runtime flag SEAICEareaFormula is kept but is inactive
465    o model/src:
466     - add new param to scale curvilinear grid distance and area when using
467       a different sphere radius from the grid-files.
468     - test/check multi-threads EXCH applied to local variable (cg2d_x)
469    o adjoint:
470     - enable adjoint of Stevens OB
471     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
472       (a bit delicate because of potentially modified adj. common block structure;
473       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
474    
475    checkpoint62s (2011/02/15)
476    o pkg/seaice (seaice_growth v 1.112):
477     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
478       computing the ice cover tendency from effective thickness tendencies. Include
479       Ian Fenty's formula.
480     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
481       SEAICEareaFormula.
482     - simplify notations for the various d_HEFF/d_AREA terms.
483    o pkg/gmredi:
484     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
485       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
486       add a verification test-run (front_relax.bvp) to test GM_useBVP.
487    o pkg/seaice (seaice_growth v 1.111):
488     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
489     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
490       also melt ice.
491    o pkg/seaice:
492     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
493     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
494    o pkg/cheapaml:
495     - from Nico Wienders: New version of this package.
496    o pkg/flt:
497     - add CPP options to prevent floats to re-enter the opposite side of
498       a periodic domain (default: keep periodicity)
499    o pkg/gmredi:
500     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
501       (needed for multi-dim advection).
502     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
503    o model/src:
504     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
505    o tutorial_tracer_adjsens
506     - extend to NLFS and replace maskC by hFacC
507       (change reference output accordingly)
508    
509    checkpoint62r (2011/01/24)
510    o testreport:
511     - add option -deloutp (-do) to remove output file after successful run
512     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
513       extract exact list of procs from this file ; adjust COMMAND by
514       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
515    o pkg/ecco: replace old ineffective way of penalizing deviations from
516      first guess (of obcs) with code by Matt Mazloff
517    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
518      exf/cal
519      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
520        and handle case of obcs?period == 0
521        Not affected by these changes: There is still an inconsistency in
522        the computation of start/endrec for the obcs variables for ALLOW_CAL
523        defined (see comment by Menemenlis, 7-Mar-2003)
524      - make S/R ctrl_get_gen_rec return something meaningful even if
525        ALLOW_CAL is not defined
526      - ctrl_getobcs?: simplify code so that it does not need to use
527                       S/R exf_swapfields
528    o testreport:
529       allow to test MPI with different number of processors for each experiment:
530       create file "SIZE.h.mpi" in each build dir.
531       Note: update of "-command" argument not yet implemented.
532    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
533      alleviate the need for additional 3D tapes when using
534      the non-inear free surface in the adjoint. This is done
535      by adding an 'update' of hfacc etc. to their current
536      value at the beginning of forward_step.F.
537    o pkg/seaice
538      seaice_lsr: move stress-divergence computations out of outer pseudo-
539      timestepping loop
540    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
541      up, so that the calls of the ctrl_* subroutines are really at the end
542      of the routine.
543    o pkg/gmredi:
544      allow to specify a 2-D horizontal map and a 1-D vertical profil
545      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
546    o pkg/seaice:
547      move lsr iterations from seaice_dynsolver to seaice_lsr.
548    o pkg/seaice:
549      reduce memory footprint of seaice mutldim advection tapes,
550      by using a 2D tape independent of the generic_advdiff ones,
551      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
552    
553    checkpoint62q (2010/12/29)
554    o model/src:
555      - check horizontal grid-spacing for unset or zero/negative values.
556      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
557    o pkg/flt:
558      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
559      - precision of input and output files set according to readBinaryPrec
560        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
561      - initial float position from tiled file was not converted to index space
562        (looks like a bug): fixed to make it similar to initial pos. global file.
563    o global_ocean.cs32x15:
564       change SIZE.h of AD set-up to get same tiling as with MPI.
565       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
566    o model/src:
567       add flag to control printing of domain fields (bathymetry, hFac ...) in
568       ini_mask_etc (call to plot_fieds_xy*).
569    o pkg/thsice:
570       if useEXF, some forcing fields are not valid in overlap: fixed by computing
571       over the interior only + apply EXCH at the end (like with SEAICE advection).
572    o pkg/mdsio:
573      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
574        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
575      - change barrier call for safe multi-threads access to 3-D shared buffer.
576      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
577      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
578        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
579    o pkg/flt:
580      - add fourth-order Runge-Kutta integration
581      - add basic exch2 support (only 1 facet supported so far!)
582    o pkg/mdsio+rw:
583      new S/R to read local (or tile independent) vector (read counterpart of
584       mds_writevec_loc, and front-end write_glvec_rl/rs).
585    o global_ocean.cs32x15: additional input_ad.seaice experiment
586        that uses pkg/seaice rather than pkg/thsice.
587        (using multidim advection for seaice)
588    o towards more F95 syntax for array specification in namelist:
589      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
590        of all verification experiments.
591           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
592          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
593      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
594    o global_ocean.cs32x15: additional input.seaice experiment
595        that uses pkg/seaice rather than pkg/thsice.
596    
597    checkpoint62p (2010/12/17)
598    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
599        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
600    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
601        allow for use of multim. advection in seaice adjoint.
602  o pkg/seaice: add diagnostics for snow precipitation and sublimation flux  o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
603    - first attempt to close budgets by taking into account the freshwater    - first attempt to close budgets by taking into account the freshwater
604      flux implied by the sublimation of snow and ice. So far only the      flux implied by the sublimation of snow and ice. So far only the
605      volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag      volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
606      SEAICE_ADD_SUBLIMATION_TO_FWBUDGET      SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
607  o eesupp/src:  o eesupp/src:

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