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revision 1.1356 by jahn, Wed Dec 22 21:28:00 2010 UTC revision 1.1436 by jmc, Thu May 19 00:28:20 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 exp4 (nlfs) test-exp:
8       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
9       with NonLin-FreeSurf); update output.nlfs.txt
10    o obcs and 2d/3d solver norm:
11       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
12       and outside OB interior region (will allow to place OB further inside the
13       domain). Depending on the domain, can affects cg2d-Norm (previous
14       cancelation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
15       and cg3d-Norm (previous Norm was computed before canceling OB terms),
16       e.g. in tutorial_plume_on_slope.
17      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
18    o pkg rbcs:
19      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
20      - add capability to apply relaxation to horizontal velocity uVel & vVel.
21    o pkg/grdchk: add gradient check for control variable xx_shifwflx
22    o pkg/shelfice/shelfice_init_fixed.F
23      fix CPP-flag combinations
24    o pkg/seaice: Merge iceage code of Pierre Rampal
25      * update/change/correct ice age calculations
26      * add age updates for pathological cases
27      Probably needs more testing...
28    
29    checkpoint62x (2011/05/13)
30    o pkg/mom_vecinv:
31       high-order vorticity scheme: use interior masks (maskInW & S)
32       to zero-out (outside OB) gradient of vorticity.
33    o verification exp.:
34       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
35       hs94.128x64x5 and seaice_obcs ; update results.
36    o pkg/obcs:
37      fix bug in OBeta for YZ sections in obcs_exf_load.F
38    o pkg/ctrl, pkg/shelfice, and optim:
39      - add new control variable xx_shifwflx (fresh water flux underneath ice
40        shelves). This is almost as tedious as obcs-ctrl, because the
41        variables needs its own mask.
42      - add a cost function term that penalizes the deviation of xx_shifwflx
43        from the first guess (zero) in analogy to other control variables
44    o pkg/shelfice:
45      - start basic adjoint
46    o pkg/ctrl:
47      - remove extra 2D field "for good measure" when initializing in
48        ctrl_set_globfld_[xy/xz/yz].F
49      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
50      - improve error messages in ctrl_set_unpack_*
51    o OBC implementation in momentum:
52       use interior masks (maskInC,W & S) in momentum S/R:
53       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
54       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
55       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
56       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
57       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
58        (and also with Leith/Smagorinsky harmonic-viscosity).
59       Update output of experiment dome and exp4 (+nlfs).
60    o exp4 test-exp:
61      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
62        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
63        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
64        time-varying OB at Western-side for wVel (NonHyd); update output.
65      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
66        and biharmonic-viscosity ; also use prescribed time varying OB.
67    o pkg/obcs:
68      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
69    o model/src:
70      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
71      - initialise startTime & nIter0 with unlikely values: allows to set one
72        from the other without ambiguity.
73    o seaice_obcs test-exp.:
74      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
75    o pkg/obcs:
76      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
77        no longer needed with maskInC,W,S in pkg/generic_advdiff.
78    o pkg/seaice:
79      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
80        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
81      - fixed bug in the initialization of sea ice salinity variable HSALT
82        in seaice_init_varia.F  (removed dependence on ICE2WATR)
83    o fizhi-cs test exp.:
84       switch reference output convention for these 2 non-standard test-exp,
85        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
86          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
87       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
88    o model/inc:
89      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
90        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
91    o pkg/seaice:
92      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
93    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
94      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
95        and initial HSALT
96    
97    checkpoint62w (2011/04/26)
98    o pkg/mom_fluxform:
99      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
100      - use parameter "sideDragFactor" in no-slip BC side-drag part.
101      - update output of exp. global_ocean.90x40x15
102    o pkg/mom_vecinv:
103      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
104    o update seaice exp.:
105      use more consistent parameter values (remove "backward compatability only":
106       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
107      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
108       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
109    o update test-exp global_ocean.90x40x15:
110      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
111      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
112      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
113      o turn on zStar & viscA4 in standard set-up (dir input/)
114        and update output files: output.txt & output.dwnslp.txt
115    o new AD-test experiment: obcs_ctrl
116      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
117    o pkg/dic:
118      fix two bugs in handling water vapour pressure in carbonate chemistry
119      and air-sea fluxes. Found by Val Bennington and Galen McKinley
120      (add DIC Option = WATERVAP_BUG to recover old results)
121      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
122    o adding allowInteriorFreezing option to check for water below freezing point
123      at depth and bring the negative heat anomaly to the surface level
124    o pkgs _fields_load:
125      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
126      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
127        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
128        rbcs to get interpolation weights and time reccord number.
129      - fix multi-threading in aim_fields_load.F
130      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
131    o external_fields_load:
132      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
133       interpolation weights) to use in a periodic time-series ; do not divide by
134       time-step to convert to integer:
135       - this fixes case where externForcingPeriod is not multiple of time-step
136          (Thanks to Christopher L. Wolfe)
137       - this fixes case where externForcingPeriod is an odd multiple of time-step
138         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
139      store index of time-record which is currently loaded:
140       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
141       - needed for the adjoint but not yet used because of extensive recomputations;
142         (to be fixed soon)
143    
144    checkpoint62v (2011/04/02)
145    o verification/1D_ocean_ice_column added to test Ian Fenty's
146      pkg/seaice_growth.F modifications for improving sea ice code differentiability
147    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
148      (new velocity statistics after changing maskInW & maskInS definition)
149    o pkg/generic_advdiff with OBCS:
150      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
151      equivalent to assumption of no tracer gradient outside the OB region.
152      This will affect the results if using obcs+biharmonic diffusion.
153      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
154    o pkg/obcs:
155      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
156      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
157      in Interior region. No impact on solution but affects Velocity monitor stats.
158    o pkg/ptracers (adjoint)
159      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
160      tape file for each tracer
161    o model/inc/src and pkg/autodiff: add parameters that allow to turn
162      of parts of the adjoint code at run time. For now, there are only
163      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
164      parameters are set in data.pkg.
165      This is the lazy coward's version of doing this, but still useful for
166      debugging. In order to do it right, everything needs to be moved to
167      pkg/autodiff.
168    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
169      the end; this fixes the adjoint balancing code for open boundaries.
170    o pkg/ctrl:
171      - change behavior of xx_${varname}period to be analogous to exf-conventions:
172        xx_${varname}period =   0.,  means time-independent control part
173        xx_${varname}period = -12., means one-year-periodic monthly control part
174      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
175        clean up ctrl_init a little, remove unused variables
176      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
177      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
178    
179    checkpoint62u (2011/03/15)
180    o model/src:
181      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
182        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
183      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
184        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
185    o pkg/ctrl/obcs/ecco:
186      - remove obsolete, unused, and partially broken code:
187        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
188        ALLOW_CTRL_OBCS_BALANCE
189      - put a stop statement into ecco/cost_obcsvol.F, but also add
190        cost_obcsvol to ecco_ad_diff.list
191    o pkg/ecco: fix counting cost function contributions for obcs (code
192      by Matt M.) and diffkr for diagnostics
193    o pkg/ecco, pkg/ctrl, pkg/grdchk:
194      add cost penalty terms for initial uvel, vvel, eta controls
195      and I/O for prior error files
196    o pkg/mdsio:
197       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
198       (new argument) to check for tiled file in mdsioLocalDir : this fix the
199       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
200    o pkg/ctrl:
201     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
202       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
203       unused and superfluous variables
204     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
205    o pkg/ecco
206     - enable adjoint of Stevens OB
207    o pkg/ctrl/ecco/grdchk:
208      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
209        Fortunately, we do not have any tests for the numerous cpp-flagged
210        option of "obcs as control parameters" so we will never know
211        if this is an improvement (but at least now things compile).
212      - remove an obsolete initialization from ecco_cost_init_barfiles.F
213      - fix some problems within never used ifdefs to make the code compile
214    o pkg/obcs:
215     - Refine Interior mask definition to work with more complex OB (e.g.
216       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
217       read in Interior mask from file. Check if Interior mask is consistent
218       with OB list of indices.
219    o pkg/seaice
220     - beginning code for a seaice tracer package,
221       but currently only used for seaice age: SEAICE_AGE
222       SEAICE_num = 4
223       iTracer = 1: area-weighted ice age
224               = 2: volume-weighted ice age
225               = 3, 4: template for one-year vs. multi-year ice
226       data.seaice has new namelist SEAICE_PARM03 for arrays related to
227       SEAICE_num
228    
229    checkpoint62t (2011/03/05)
230    o pkg/obcs:
231     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
232       then normal component. This ensures that the normal component is set
233       correctly even when it conficts with tangential setting from an other OB.
234       Affects results of test-experiment seaice_obcs: update the output.txt
235    o pkg/obcs:
236     - add code to monitor statistics of dynamical fields at OB.
237     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
238       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
239       - change default: balance the Net inflow through all OB (instead of balancing
240         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
241     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
242       to match Nortern OB inflow (OBCS_balanceFacN=0).
243    o pkg/seaice:
244     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
245    o pkg/seaice (seaice_growth v 1.113):
246     - reverting seaice_growth to v 1.111 in order to have code with exact bit
247       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
248       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
249       runtime flag SEAICEareaFormula is kept but is inactive
250    o model/src:
251     - add new param to scale curvilinear grid distance and area when using
252       a different sphere radius from the grid-files.
253     - test/check multi-threads EXCH applied to local variable (cg2d_x)
254    o adjoint:
255     - enable adjoint of Stevens OB
256     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
257       (a bit delicate because of potentially modified adj. common block structure;
258       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
259    
260    checkpoint62s (2011/02/15)
261    o pkg/seaice (seaice_growth v 1.112):
262     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
263       computing the ice cover tendency from effective thickness tendencies. Include
264       Ian Fenty's formula.
265     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
266       SEAICEareaFormula.
267     - simplify notations for the various d_HEFF/d_AREA terms.
268    o pkg/gmredi:
269     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
270       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
271       add a verification test-run (front_relax.bvp) to test GM_useBVP.
272    o pkg/seaice (seaice_growth v 1.111):
273     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
274     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
275       also melt ice.
276    o pkg/seaice:
277     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
278     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
279    o pkg/cheapaml:
280     - from Nico Wienders: New version of this package.
281    o pkg/flt:
282     - add CPP options to prevent floats to re-enter the opposite side of
283       a periodic domain (default: keep periodicity)
284    o pkg/gmredi:
285     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
286       (needed for multi-dim advection).
287     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
288    o model/src:
289     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
290    o tutorial_tracer_adjsens
291     - extend to NLFS and replace maskC by hFacC
292       (change reference output accordingly)
293    
294    checkpoint62r (2011/01/24)
295    o testreport:
296     - add option -deloutp (-do) to remove output file after successful run
297     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
298       extract exact list of procs from this file ; adjust COMMAND by
299       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
300    o pkg/ecco: replace old ineffective way of penalizing deviations from
301      first guess (of obcs) with code by Matt Mazloff
302    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
303      exf/cal
304      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
305        and handle case of obcs?period == 0
306        Not affected by these changes: There is still an inconsistency in
307        the computation of start/endrec for the obcs variables for ALLOW_CAL
308        defined (see comment by Menemenlis, 7-Mar-2003)
309      - make S/R ctrl_get_gen_rec return something meaningful even if
310        ALLOW_CAL is not defined
311      - ctrl_getobcs?: simplify code so that it does not need to use
312                       S/R exf_swapfields
313    o testreport:
314       allow to test MPI with different number of processors for each experiment:
315       create file "SIZE.h.mpi" in each build dir.
316       Note: update of "-command" argument not yet implemented.
317    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
318      alleviate the need for additional 3D tapes when using
319      the non-inear free surface in the adjoint. This is done
320      by adding an 'update' of hfacc etc. to their current
321      value at the beginning of forward_step.F.
322    o pkg/seaice
323      seaice_lsr: move stress-divergence computations out of outer pseudo-
324      timestepping loop
325    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
326      up, so that the calls of the ctrl_* subroutines are really at the end
327      of the routine.
328    o pkg/gmredi:
329      allow to specify a 2-D horizontal map and a 1-D vertical profil
330      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
331    o pkg/seaice:
332      move lsr iterations from seaice_dynsolver to seaice_lsr.
333    o pkg/seaice:
334      reduce memory footprint of seaice mutldim advection tapes,
335      by using a 2D tape independent of the generic_advdiff ones,
336      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
337    
338    checkpoint62q (2010/12/29)
339    o model/src:
340      - check horizontal grid-spacing for unset or zero/negative values.
341      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
342    o pkg/flt:
343      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
344      - precision of input and output files set according to readBinaryPrec
345        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
346      - initial float position from tiled file was not converted to index space
347        (looks like a bug): fixed to make it similar to initial pos. global file.
348    o global_ocean.cs32x15:
349       change SIZE.h of AD set-up to get same tiling as with MPI.
350       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
351    o model/src:
352       add flag to control printing of domain fields (bathymetry, hFac ...) in
353       ini_mask_etc (call to plot_fieds_xy*).
354    o pkg/thsice:
355       if useEXF, some forcing fields are not valid in overlap: fixed by computing
356       over the interior only + apply EXCH at the end (like with SEAICE advection).
357    o pkg/mdsio:
358      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
359        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
360      - change barrier call for safe multi-threads access to 3-D shared buffer.
361      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
362      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
363        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
364  o pkg/flt:  o pkg/flt:
365    - add fourth-order Runge-Kutta integration    - add fourth-order Runge-Kutta integration
366    - add basic exch2 support (only 1 facet supported so far!)    - add basic exch2 support (only 1 facet supported so far!)

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