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revision 1.1295 by jmc, Sat Sep 11 21:39:13 2010 UTC revision 1.1441 by jmc, Wed May 25 21:13:53 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/seaice + obcs:
8     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
9       equivalent of assuming no tracer gradient outside the OB region.
10       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
11     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
12       after changes above);
13     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
14       only at OB location (instead of over a band of OLx width).
15    o pkg/seaice:
16     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
17       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
18    o pkg/obcs:
19      - split header file "OBCS.h" into 4 separated files:
20        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
21       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
22         (contain no conditional statement which depends on OBCS options).
23      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
24        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
25    o ctrl, cost, grdchk & autodiff pkgs:
26      - make options file more standard (like other {PKG}_OPTIONS.h file but
27        with AD_CONFIG.h); clean-up some of the included header files.
28    o pkg/obcs:
29      - do not mask tracer when applying OB (tracer == 0 could generate problems)
30      - apply tracer OB values to tracer field only at OB location (instead of
31        over a band of OLx width)
32      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
33      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
34        obcs_apply_tloc.F & obcs_apply_sloc.F
35    o obcs in model/src:
36      - call OBCS_APPLY_W only if NonHydrostatic.
37      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
38      - reset dEtaHdt and wVel to zero outside OB interior region ;
39      - leave tracer unchanged outside OB interior region: This has no effect
40        on the solution but just to prevent unrealistic tracer value outside OB.
41      - zero out velocity outside OB interior region: This has no effect on
42        the solution but just to prevent unrealistic velocity outside OB.
43    o obcs and non-lin free-surf:
44       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
45       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
46       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
47       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
48       update results of test-exp. exp4(nlfs).
49    o exp4 (nlfs) test-exp:
50       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
51       with NonLin-FreeSurf); update output.nlfs.txt
52    o obcs and 2d/3d solver norm:
53       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
54       and outside OB interior region (will allow to place OB further inside the
55       domain). Depending on the domain, can affects cg2d-Norm (previous
56       cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
57       and cg3d-Norm (previous Norm was computed before canceling OB terms),
58       e.g. in tutorial_plume_on_slope.
59      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
60    o pkg rbcs:
61      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
62      - add capability to apply relaxation to horizontal velocity uVel & vVel.
63    o pkg/grdchk: add gradient check for control variable xx_shifwflx
64    o pkg/shelfice/shelfice_init_fixed.F
65      fix CPP-flag combinations
66    o pkg/seaice: Merge iceage code of Pierre Rampal
67      * update/change/correct ice age calculations
68      * add age updates for pathological cases
69      Probably needs more testing...
70    
71    checkpoint62x (2011/05/13)
72    o pkg/mom_vecinv:
73       high-order vorticity scheme: use interior masks (maskInW & S)
74       to zero-out (outside OB) gradient of vorticity.
75    o verification exp.:
76       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
77       hs94.128x64x5 and seaice_obcs ; update results.
78    o pkg/obcs:
79      fix bug in OBeta for YZ sections in obcs_exf_load.F
80    o pkg/ctrl, pkg/shelfice, and optim:
81      - add new control variable xx_shifwflx (fresh water flux underneath ice
82        shelves). This is almost as tedious as obcs-ctrl, because the
83        variables needs its own mask.
84      - add a cost function term that penalizes the deviation of xx_shifwflx
85        from the first guess (zero) in analogy to other control variables
86    o pkg/shelfice:
87      - start basic adjoint
88    o pkg/ctrl:
89      - remove extra 2D field "for good measure" when initializing in
90        ctrl_set_globfld_[xy/xz/yz].F
91      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
92      - improve error messages in ctrl_set_unpack_*
93    o OBC implementation in momentum:
94       use interior masks (maskInC,W & S) in momentum S/R:
95       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
96       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
97       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
98       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
99       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
100        (and also with Leith/Smagorinsky harmonic-viscosity).
101       Update output of experiment dome and exp4 (+nlfs).
102    o exp4 test-exp:
103      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
104        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
105        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
106        time-varying OB at Western-side for wVel (NonHyd); update output.
107      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
108        and biharmonic-viscosity ; also use prescribed time varying OB.
109    o pkg/obcs:
110      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
111    o model/src:
112      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
113      - initialise startTime & nIter0 with unlikely values: allows to set one
114        from the other without ambiguity.
115    o seaice_obcs test-exp.:
116      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
117    o pkg/obcs:
118      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
119        no longer needed with maskInC,W,S in pkg/generic_advdiff.
120    o pkg/seaice:
121      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
122        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
123      - fixed bug in the initialization of sea ice salinity variable HSALT
124        in seaice_init_varia.F  (removed dependence on ICE2WATR)
125    o fizhi-cs test exp.:
126       switch reference output convention for these 2 non-standard test-exp,
127        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
128          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
129       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
130    o model/inc:
131      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
132        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
133    o pkg/seaice:
134      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
135    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
136      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
137        and initial HSALT
138    
139    checkpoint62w (2011/04/26)
140    o pkg/mom_fluxform:
141      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
142      - use parameter "sideDragFactor" in no-slip BC side-drag part.
143      - update output of exp. global_ocean.90x40x15
144    o pkg/mom_vecinv:
145      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
146    o update seaice exp.:
147      use more consistent parameter values (remove "backward compatability only":
148       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
149      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
150       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
151    o update test-exp global_ocean.90x40x15:
152      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
153      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
154      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
155      o turn on zStar & viscA4 in standard set-up (dir input/)
156        and update output files: output.txt & output.dwnslp.txt
157    o new AD-test experiment: obcs_ctrl
158      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
159    o pkg/dic:
160      fix two bugs in handling water vapour pressure in carbonate chemistry
161      and air-sea fluxes. Found by Val Bennington and Galen McKinley
162      (add DIC Option = WATERVAP_BUG to recover old results)
163      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
164    o adding allowInteriorFreezing option to check for water below freezing point
165      at depth and bring the negative heat anomaly to the surface level
166    o pkgs _fields_load:
167      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
168      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
169        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
170        rbcs to get interpolation weights and time reccord number.
171      - fix multi-threading in aim_fields_load.F
172      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
173    o external_fields_load:
174      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
175       interpolation weights) to use in a periodic time-series ; do not divide by
176       time-step to convert to integer:
177       - this fixes case where externForcingPeriod is not multiple of time-step
178          (Thanks to Christopher L. Wolfe)
179       - this fixes case where externForcingPeriod is an odd multiple of time-step
180         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
181      store index of time-record which is currently loaded:
182       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
183       - needed for the adjoint but not yet used because of extensive recomputations;
184         (to be fixed soon)
185    
186    checkpoint62v (2011/04/02)
187    o verification/1D_ocean_ice_column added to test Ian Fenty's
188      pkg/seaice_growth.F modifications for improving sea ice code differentiability
189    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
190      (new velocity statistics after changing maskInW & maskInS definition)
191    o pkg/generic_advdiff with OBCS:
192      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
193      equivalent to assumption of no tracer gradient outside the OB region.
194      This will affect the results if using obcs+biharmonic diffusion.
195      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
196    o pkg/obcs:
197      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
198      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
199      in Interior region. No impact on solution but affects Velocity monitor stats.
200    o pkg/ptracers (adjoint)
201      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
202      tape file for each tracer
203    o model/inc/src and pkg/autodiff: add parameters that allow to turn
204      of parts of the adjoint code at run time. For now, there are only
205      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
206      parameters are set in data.pkg.
207      This is the lazy coward's version of doing this, but still useful for
208      debugging. In order to do it right, everything needs to be moved to
209      pkg/autodiff.
210    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
211      the end; this fixes the adjoint balancing code for open boundaries.
212    o pkg/ctrl:
213      - change behavior of xx_${varname}period to be analogous to exf-conventions:
214        xx_${varname}period =   0.,  means time-independent control part
215        xx_${varname}period = -12., means one-year-periodic monthly control part
216      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
217        clean up ctrl_init a little, remove unused variables
218      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
219      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
220    
221    checkpoint62u (2011/03/15)
222    o model/src:
223      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
224        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
225      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
226        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
227    o pkg/ctrl/obcs/ecco:
228      - remove obsolete, unused, and partially broken code:
229        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
230        ALLOW_CTRL_OBCS_BALANCE
231      - put a stop statement into ecco/cost_obcsvol.F, but also add
232        cost_obcsvol to ecco_ad_diff.list
233    o pkg/ecco: fix counting cost function contributions for obcs (code
234      by Matt M.) and diffkr for diagnostics
235    o pkg/ecco, pkg/ctrl, pkg/grdchk:
236      add cost penalty terms for initial uvel, vvel, eta controls
237      and I/O for prior error files
238    o pkg/mdsio:
239       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
240       (new argument) to check for tiled file in mdsioLocalDir : this fix the
241       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
242    o pkg/ctrl:
243     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
244       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
245       unused and superfluous variables
246     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
247    o pkg/ecco
248     - enable adjoint of Stevens OB
249    o pkg/ctrl/ecco/grdchk:
250      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
251        Fortunately, we do not have any tests for the numerous cpp-flagged
252        option of "obcs as control parameters" so we will never know
253        if this is an improvement (but at least now things compile).
254      - remove an obsolete initialization from ecco_cost_init_barfiles.F
255      - fix some problems within never used ifdefs to make the code compile
256    o pkg/obcs:
257     - Refine Interior mask definition to work with more complex OB (e.g.
258       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
259       read in Interior mask from file. Check if Interior mask is consistent
260       with OB list of indices.
261    o pkg/seaice
262     - beginning code for a seaice tracer package,
263       but currently only used for seaice age: SEAICE_AGE
264       SEAICE_num = 4
265       iTracer = 1: area-weighted ice age
266               = 2: volume-weighted ice age
267               = 3, 4: template for one-year vs. multi-year ice
268       data.seaice has new namelist SEAICE_PARM03 for arrays related to
269       SEAICE_num
270    
271    checkpoint62t (2011/03/05)
272    o pkg/obcs:
273     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
274       then normal component. This ensures that the normal component is set
275       correctly even when it conficts with tangential setting from an other OB.
276       Affects results of test-experiment seaice_obcs: update the output.txt
277    o pkg/obcs:
278     - add code to monitor statistics of dynamical fields at OB.
279     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
280       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
281       - change default: balance the Net inflow through all OB (instead of balancing
282         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
283     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
284       to match Nortern OB inflow (OBCS_balanceFacN=0).
285    o pkg/seaice:
286     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
287    o pkg/seaice (seaice_growth v 1.113):
288     - reverting seaice_growth to v 1.111 in order to have code with exact bit
289       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
290       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
291       runtime flag SEAICEareaFormula is kept but is inactive
292    o model/src:
293     - add new param to scale curvilinear grid distance and area when using
294       a different sphere radius from the grid-files.
295     - test/check multi-threads EXCH applied to local variable (cg2d_x)
296    o adjoint:
297     - enable adjoint of Stevens OB
298     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
299       (a bit delicate because of potentially modified adj. common block structure;
300       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
301    
302    checkpoint62s (2011/02/15)
303    o pkg/seaice (seaice_growth v 1.112):
304     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
305       computing the ice cover tendency from effective thickness tendencies. Include
306       Ian Fenty's formula.
307     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
308       SEAICEareaFormula.
309     - simplify notations for the various d_HEFF/d_AREA terms.
310    o pkg/gmredi:
311     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
312       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
313       add a verification test-run (front_relax.bvp) to test GM_useBVP.
314    o pkg/seaice (seaice_growth v 1.111):
315     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
316     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
317       also melt ice.
318    o pkg/seaice:
319     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
320     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
321    o pkg/cheapaml:
322     - from Nico Wienders: New version of this package.
323    o pkg/flt:
324     - add CPP options to prevent floats to re-enter the opposite side of
325       a periodic domain (default: keep periodicity)
326    o pkg/gmredi:
327     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
328       (needed for multi-dim advection).
329     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
330    o model/src:
331     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
332    o tutorial_tracer_adjsens
333     - extend to NLFS and replace maskC by hFacC
334       (change reference output accordingly)
335    
336    checkpoint62r (2011/01/24)
337    o testreport:
338     - add option -deloutp (-do) to remove output file after successful run
339     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
340       extract exact list of procs from this file ; adjust COMMAND by
341       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
342    o pkg/ecco: replace old ineffective way of penalizing deviations from
343      first guess (of obcs) with code by Matt Mazloff
344    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
345      exf/cal
346      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
347        and handle case of obcs?period == 0
348        Not affected by these changes: There is still an inconsistency in
349        the computation of start/endrec for the obcs variables for ALLOW_CAL
350        defined (see comment by Menemenlis, 7-Mar-2003)
351      - make S/R ctrl_get_gen_rec return something meaningful even if
352        ALLOW_CAL is not defined
353      - ctrl_getobcs?: simplify code so that it does not need to use
354                       S/R exf_swapfields
355    o testreport:
356       allow to test MPI with different number of processors for each experiment:
357       create file "SIZE.h.mpi" in each build dir.
358       Note: update of "-command" argument not yet implemented.
359    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
360      alleviate the need for additional 3D tapes when using
361      the non-inear free surface in the adjoint. This is done
362      by adding an 'update' of hfacc etc. to their current
363      value at the beginning of forward_step.F.
364    o pkg/seaice
365      seaice_lsr: move stress-divergence computations out of outer pseudo-
366      timestepping loop
367    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
368      up, so that the calls of the ctrl_* subroutines are really at the end
369      of the routine.
370    o pkg/gmredi:
371      allow to specify a 2-D horizontal map and a 1-D vertical profil
372      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
373    o pkg/seaice:
374      move lsr iterations from seaice_dynsolver to seaice_lsr.
375    o pkg/seaice:
376      reduce memory footprint of seaice mutldim advection tapes,
377      by using a 2D tape independent of the generic_advdiff ones,
378      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
379    
380    checkpoint62q (2010/12/29)
381    o model/src:
382      - check horizontal grid-spacing for unset or zero/negative values.
383      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
384    o pkg/flt:
385      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
386      - precision of input and output files set according to readBinaryPrec
387        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
388      - initial float position from tiled file was not converted to index space
389        (looks like a bug): fixed to make it similar to initial pos. global file.
390    o global_ocean.cs32x15:
391       change SIZE.h of AD set-up to get same tiling as with MPI.
392       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
393    o model/src:
394       add flag to control printing of domain fields (bathymetry, hFac ...) in
395       ini_mask_etc (call to plot_fieds_xy*).
396    o pkg/thsice:
397       if useEXF, some forcing fields are not valid in overlap: fixed by computing
398       over the interior only + apply EXCH at the end (like with SEAICE advection).
399    o pkg/mdsio:
400      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
401        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
402      - change barrier call for safe multi-threads access to 3-D shared buffer.
403      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
404      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
405        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
406    o pkg/flt:
407      - add fourth-order Runge-Kutta integration
408      - add basic exch2 support (only 1 facet supported so far!)
409    o pkg/mdsio+rw:
410      new S/R to read local (or tile independent) vector (read counterpart of
411       mds_writevec_loc, and front-end write_glvec_rl/rs).
412    o global_ocean.cs32x15: additional input_ad.seaice experiment
413        that uses pkg/seaice rather than pkg/thsice.
414        (using multidim advection for seaice)
415    o towards more F95 syntax for array specification in namelist:
416      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
417        of all verification experiments.
418           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
419          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
420      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
421    o global_ocean.cs32x15: additional input.seaice experiment
422        that uses pkg/seaice rather than pkg/thsice.
423    
424    checkpoint62p (2010/12/17)
425    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
426        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
427    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
428        allow for use of multim. advection in seaice adjoint.
429    o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
430      - first attempt to close budgets by taking into account the freshwater
431        flux implied by the sublimation of snow and ice. So far only the
432        volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
433        SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
434    o eesupp/src:
435      new S/R with new option (NML_EXTENDED_F77) to change array specification
436      from F95 standard to commonly accepted extended F77 form.
437      This would allow to use F95 syntax in namelist (needed with gfortran 4.4.5)
438      and to revert back to the original syntax (with -DNML_EXTENDED_F77)
439      for less tolerant f77 compiler (e.g., pgf77, g77).
440    o globalFiles:
441      commented out in parameter file "data" since it's not safe with MPI
442      (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much
443      in this case); no longer commented out in restart test (tst_2+2).
444    o add adTapeDir to specify a special directory where adjoint tapes are
445      written/read (adread_adwrite.F). adTapeDir is specified in data/PARM05
446      and cannot be used together with mdsioLocalDir.
447    o nesting pkgs:
448      - packages_init_variables : put call to OBCS_INIT_VARIABLES in last position
449      - update Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
450      - add parameter files + utils dir + output from short run on beagle.
451    o pkg/seaice:
452        fix seaice_growth.F store directives; update results of exp. lab_sea.ad
453    o pkg/seaice: explicitly store tsurfloc in seaice_solve4temp.F to avoid
454      unnecessary copying in adjoint code, requires new parameter NMAX_ITER
455    
456    checkpoint62o (2010/11/25)
457    o pkg/exf:
458      - change CPP option EXF_VERBOSE to run-time logical param exf_verbose.
459    o pkg/seaice:
460      - seaice_ocean_stress: split a loop for better vectorization of the
461        adjoint code
462      - seaice_growth.F: fix bug in conservation of freshwater connected to
463        capping of heff, put contribution into d_HEFFbyNEG
464      - replace irritating parameters SEAICE_latentWater/Ice and SEAICE_sensHeat
465        by something more sensible (parameters that are what their name implies)
466      - change some defaults, so that by default exf-parameters are used for
467        things like rhoAir, cpAir,latent/sensible heat parameters, in order
468        to reproduce the old results, many data.seaice now contain funny values
469        for cpAir and latent heat of sublimation
470    o packages_readparms.F: move exf_readparms up in line so that
471        exf-parameters are visible for other packages (e.g. seaice)
472    o debugMode & debugLevel=2:
473      - differentiate between debugMode & debugLevel=2:
474        debugMode: controls printing of debug messages (sequence of S/R calls).
475        debugLevel: controls printing of algorithm intermediate results and stats.
476      - remove "if debugLevel=2 => debugMode" but keep "debugMode =>  debugLevel=2";
477        => allows to print debug-stats without all sequence of call messages.
478      - switch control of debug print from debugLevel to debugMode in many S/R.
479    o pkg/obcs (obcs-sponge):
480        fix bug that was introduced on Oct 25 (in dynamics.F v1.151): put back the
481        call to OBCS_PRESCRIBE_EXCHANGES (need to exch gU,gV when using obcs-sponge)
482    o pkg/generic_advdiff:
483      - record overlap minimum size for each advection scheme;
484      - refine criteria on overlap minimum size;
485      - check and stop (in gad_check) if overlap size is too small.
486    o pkg/obcs:
487      - with ptracers: remove multiple calls to obcs_apply_ptracer (only done
488        once, in ptracers_implicit.F)
489      - with seaice: remove test on empty file name in obcs_apply_seaice (always
490        apply OB values when tile has OB)
491    o model/src, coriolis setting:
492      - integer parameter "selectCoriMap" (=0,1,2) replaces 3 logical
493        useConstantF, useBetaPlaneF, useSphereF ; can now read coriolis from
494        files (selectCoriMap=3) with any grid.
495      - add parameter "fPrime" for constant second Coriolis coeff (default=0).
496    o pkg/seaice/seaice_growth.F:
497        a few cosmetic changes that reduce the number of lines of code
498    o pkg/obcs: add boundary conditions following Stevens (1990)
499      - the code follows old MOM/NAOSIM code
500      - so far it is only implemented for the eastern and western boundaries
501        and NOT for pTracers
502    o pkg/rbcs:
503      - replace rbcsInIter by rbcsForcingOffset, the time in seconds at the
504        beginning of the first rbcs forcing period.
505      - add option rbcsSingleTimeFiles that makes rbcs read forcing data like the
506        offline package, i.e., one file per time, labeled by iteration number;
507        deltaTrbcs sets the timestep with which the data was generated;
508        rbcsIter0 is the forcing iteration corresponding to rbcsForcingOffset.
509      - rbcsForcingCycle=0 makes forcing non-cyclic.
510      - make arithmetic safe for negative times and odd forcing periods.
511    
512    checkpoint62n (2010/11/09)
513    o pkg/seaice:
514        fix masking in free-drift S/R ; update results of exp. lab_sea.fd
515    o pkg/obcs:
516       New S/R to copy tracer value from the OB location to narrow band region
517        (width = same as overlap) beyond the OB: preserve OB value (needed for
518        high-order scheme) which were overwritten by EXCH call if in overlap
519        region. Applied to theta, salt, ptracer and advected seaice variables.
520       With seaice: use maskInC in similar way as in gad_advection.F,
521        in seaice_advection.F and advect.F.
522       Update output of experiment seaice_obcs and change exp4 to test OBCS with
523        4th order Adv.Scheme. for pasive salt and ptracer.
524    o tools/genmake2:
525      - when looking for an optfile (not specified), only search for Fortran compiler
526        (remove sym-link test + setting of CPP + makedepend check + C-compiler check)
527      - in get_fortran_c_namemangling: use "$CC $CFLAG" to compile C test programm
528        (instead of "$MAKE genmake_test.o" since an existing Makefile can be wrong)
529      - set default for CPP to "cpp -traditional -P" (was the case without specifying
530        an optfile, but otherwise default was just "cpp".
531      - comment out PLATFORM=$p_PLATFORM (no idea where p_PLATFORM comes from)
532      - when "CC" is not set in the optfile, look for possible C compiler
533        (instead of just setting CC=cc)
534      - put back version v.169 modif (from 2008/02/15), was dropped in v.173 changes:
535        => add a ".F" to ".o" rule for source files with no "#include" (such as
536           port_rand.F); otherwise, default ignores FOPTIM and just uses FFLAGS.
537      - move gfortran before g77 in list of possible Fortran compiler (consistent
538        with reference compiler switch from g77 to gfortran)
539    o pkg/seaice:
540      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
541        seaice_check that stops the model, when the CPP flag is used.
542      o seaice_growth.F: make capping of ice volume conserving by returning the
543        capped ice as freshwater to EmPmR. This does not change the verification
544        experiments but will change runs where the capping is acutally active
545    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
546      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
547         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
548         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
549    o tools/genmake2:
550      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
551      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
552      - clean previous genmake log files before anything else.
553      - change Makefile to remove testreport log files (*.tr_log) and genmake log
554        files only with "CLEAN" target (instead of "Clean");
555    o pkg/generic_advdiff:
556      Change OBCS in multiDim advection (gad_advection.F):
557       Use maskInC to prevent intermediate update of tracer-field in OB regions,
558       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
559       which were applying future time-step OB values.
560      This way, all explicit calculations use current-time-step OB values
561       (simpler and more consistent).
562      Affects results when set-up uses time-varying OBC and multi-dim advection;
563       update output of experiment seaice_obcs.
564    o pkg/seaice:
565      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
566       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
567         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
568      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
569       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
570       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
571    o pkg aim (2010/10/26):
572      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
573        formulation with obliquity, eccentricity, ... as run-time parameters,
574      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
575        upward shortwave radition at the surface (all-sky and clear-sky).
576    o pkg/obcs:
577      - writing sections with globalFiles=T does not work: switch to tiled-files
578        when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
579      - fix index bug (OB_Ie -> OB_Iw_) in obcs_apply_uvice.F
580      - apply OBCS_SEAICE_COMPUTE_UVICE to both uice and vice at all obcs
581    
582    checkpoint62m (2010/10/21)
583    o pkg/seaice: vectorize seaice_solve4temp.F
584      - move iterations loops outside of i/j-loops
585      - requires 2D arrays for TB and effConduct
586      - add 2D iceOrNot to replace HICE_ACTUAL.GT.0, as HICE_ACTUAL is
587        modified in this routine
588      - a little bit of clean up, adjusting indentation, etc.
589      - replaced a few TEN**a by exp(a*log(10.)) in new code for better
590        performance and '**TWO' by '**2' (because TWO is a float),
591        replaced ONE, ZERO
592    o eesupp/src:
593       fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube
594    o pkg/seaice/seaice_growth.F
595      Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and
596      merging process. The merged routine has two branches, and one activates the 'evolution'
597      branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now).
598      In summary, here is what the '10/10 revision' did consist of
599        part 1: seaice_growth.F revisions 1.71 to 1.75
600          - Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged.
601            The emphasis here was on improving readability (e.g. by trying to use meaningful
602            variable names) and modularity (e.g. by adding arrays to store heff etc. updates).
603        part 1.5:
604          - revising the lab_sea experiment to make it a more useful (i.e. stable
605            and representative of an actual model run). This was done by generating a
606            (winter) pickup to start from, switching back the main experiment dynamic
607            solver from evp to lsr, having one of the experiments use the free drift solution.
608        part 2: seaice_growth.F revisions 1.76 to 1.85
609          - Sorting out hard-coded constants that prevented heat and fresh water conservation.
610          - Sorting out the various fields units and sign (set early on and reset at the end)
611            to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and
612            fresh water stock is 'effective ice meters', and >0 implies more ice/snow.
613          - Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks,
614            and simplifying logical expressions to further improve readibility.
615        part 3: seaice_growth.F revisions 1.86 to 1.89
616          - Re-organize the blocks of code more logically.
617          - Merging the '_if.F' pieces that add something new.
618    o pkg/thsice:
619      - vectorize thsice_solve4temp and thsice_get_exf.
620        Problem: thsice_solve4temp has an unvectorizable statement that
621        might also be problematic for TAF
622      - thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This
623        does not change the verifcation experiment, but will change all
624        experiments that have this flag undefined (not tested in verification);
625        a little reorganization to save a few 2D fields and recomputations
626      - 1st step of revisiting thsice adjoint (major recomp. sorted out)
627      - 2nd step:  fix some store dirs
628        o seems to work somewhat, i.e. using ifort but not g77
629        o likely cause are incomplete init. or recomputation
630        o start verification/global_ocean.cs32x15/input_ad.thsice
631    o pkg/obcs: add support for exch2
632      - the position of the boundary and prescribed values are specified using
633        a global domain with exch2 facets stacked
634        - in x for N,S boundaries (like W2_mapIO=-1)
635        - in y for E,W boundaries (so E,W boundaries do not overlap)
636    o pkg/mdsio: add support for writing global sections with exch2
637        file layout is as for obcs described above:
638        - for x-z sections, facets are stacked in x (like W2_mapIO=-1)
639        - for y-z sections, facets are stacked in y
640    o pkg/thsice:
641       - change a few routines for better vectorization: thsice_albedo.F,
642         thsice_step_temp.F, and in thsice_calc_thickn.F. Results are
643         not affected, but in particular the latter routine has changed
644         dramatically (not necessarily easier to read now).
645       - re-arrange calculation in THSICE_SOLVE4TEMP: move outside of i,j loops
646       iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF.
647    o verification/lab_sea:
648      - overhaul of the forward model experiments. The main motivation
649        for this revision is that lab_sea has proven quite fragile (when
650        changing the sea-ice code, and switching platforms) to a point
651        when failures were very hard to attribute to specific code problems.
652      - the suspected reason for this fragility is noise amplification by evp so,
653        to start with, we decided to replace evp with lsr in the main experiment.
654      - the input.lsr experiment thus became obsolete and was removed.
655      - it was replaced with the input.fd experiment that uses an
656        analytical "free drift" solution as the ice velocity field.
657      - Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp)
658        will hopefully allow us to discriminate problems due to dynamic solvers
659        from problems due to the thermodynamic code. input.salt_plume (lsr) allows
660        us to test additional options, along with the salt plume package.
661      - Finally a pickup was generated (at the end of a one year run) to
662        make the tests more representative of an actual model run. Previously
663        the tests starting point was a 1m thickness of ice everywhere.
664    o pkg/seaice:
665      - introducing S\R seaice_freedrift.F that compute the
666        analytical solution to an approximate ice momentum
667        equation (i.e. the simple stress/coriolis balance).
668      - define SEAICE_ALLOW_FREEDRIFT to trigger the computation
669        of the free drift velocity field, and enable its use.
670        To actually use the free drift solution as the model ice
671        velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice.
672    o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata"
673    
674    checkpoint62l (2010/10/04)
675    o pkg/seaice:
676      -fix the USE_ORIGINAL_SBI version (for variable freezing point);
677      -use "celsius2K" in SEAICE_VARIABLE_FREEZING_POINT and in new
678       version (with USE_ORIGINAL_SBI undef);
679    o add hooks for new packages OASIS, the package will follow
680      (hooks exclude the seaice pkg for now)
681    o pkg/autodiff: ALLOW_AUTODIFF_WHTAPEIO
682      Option to use mdsio_read_whalos.F/mdsio_write_whalos.F,
683      rather than mdsio_readvector.F/mdsio_writevector.F, within
684      adread_adwrite.F to read/write adjoint-related tapes to disk.
685    o eesupp and pkg/mdsio: ALLOW_WHIO
686      Option to write/read 2D fields to files including tiles halos.
687      The main purpose is for adjoint related "tape I/O".
688      The secondary purpose is for debugging phases.
689      A word on those rather specifically intended purposes.
690      The code was meant to be stripped down to the bare minimum.
691      Typically, there is a unique and basic mapping to the global
692      buffer (tile by tile, then proc by proc, then level by level), and
693      byteswaps and meta-files are omitted. Indeed the (*_WH*) code is not
694      meant to generate user friendly outputs of various shapes and forms.
695      Rather it is intended, for the knowledgeabale developers,
696      to be largely independent of the many mdsio options, to allow
697      outputs of tiles+halos in debugging phases and in adjoint runs,
698      and to allow some flexibility in tuning (adoint) I/O depending on each
699      file system behavior. With regard to tuning, most of the potential knobs
700      (to leave files open, to allocate the I/O indep. of usesinglecpuio,
701      to specify directories, to specify the typical size of I/O calls, etc.)
702      are not yet included, and will be added if they prove useful.
703    o pkg/seaice:
704       fix uninitialised arrays in USE_ORIGINAL_SBI version of seaice_solve4temp.F
705    o pkg/seaice:
706       new S/R seaice_solve4temp.F: this is the merged version of Ian Fenty
707       code (seaice_budget_ice_if.F) which enable to recover old standard
708       code (seaice_budget_ice.F) when option USE_ORIGINAL_SBI is defined.
709       temporary: add "#define USE_ORIGINAL_SBI" at the top of seaice_solve4temp.F.
710    o model/src (rStar):
711       use simple average (not area weighted) of rStarFac at U,V point when using
712       vectorInvariant and selectKEscheme=1,3 (consistent with mom. vertical advection)
713       update output of exp. fizhi-cs-32x32x40 and fizhi-cs-aqualev20.
714    
715    checkpoint62k (2010/09/17)
716    o adjoint
717       * changed verification/global_ocean.cs32x15 ; adjoint now tests
718         Adams-Bashforth 3 + NLFS + RSTAR
719       * some more modifs required for ECCO-GODAE v4
720    o pkg/seaice
721       add SEAICE_AGE_VOL option to use volume instead of area for
722       integrating SEAICE_AGE
723  o model/src:  o model/src:
724     first check-in of sigma & hybrid-sigma coordinate code ; also includes     first check-in of sigma & hybrid-sigma coordinate code ; also includes
725     non-linear free-surface parts ; but pressure-gradient not yet coded.     non-linear free-surface parts ; but pressure-gradient not yet coded.
# Line 273  o tools/build_options: Line 989  o tools/build_options:
989      but keep the former optfile for few weeks for smooth transition      but keep the former optfile for few weeks for smooth transition
990  o pkg/ecco  o pkg/ecco
991    - allow user defined cost function contributions    - allow user defined cost function contributions
992          CPP: ALLOW_USERCOST_CONTRIBUTION       CPP: ALLOW_USERCOST_CONTRIBUTION
993          USAGE: compute contributions in cost_usercost_all.F       USAGE: compute contributions in cost_usercost_all.F
994    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
995        the two options are complementary.        the two options are complementary.
996  o pkg/smooth  o pkg/smooth

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