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revision 1.1417 by ifenty, Thu Apr 28 18:44:09 2011 UTC revision 1.1530 by mlosch, Tue Nov 8 17:00:37 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/obcs/obcs_calc_stevens.F:
8      - add code for northern and southern boundaries.
9      - reorder some loops to save some operations and so that drFBar can be scalar
10    o model/src:
11      - re-arrange extrapolation calculation in Adams-Bashforth S/R (affects machine
12        truncation) and add diagnostics for Adams-Bashforth tendency increment.
13      - update test-exp. AD output:
14        1D_ocean_ice_column, bottom_ctrl_5x5, lab_sea.noseaicedyn, obcs_ctrl;
15      and FWD output: exp4 (x3), fizhi-cs-32x32x40, fizhi-cs-aqualev20,
16        front_relax (x3), global_ocean.90x40x15 (x2), global_ocean.cs32x15 (x5),
17        global_ocean_ebm, ideal_2D_oce, internal_wave, isomip (x3), lab_sea (x4),
18        matrix_example, MLAdjust (x5), natl_box (x2), tutorial_advection_in_gyre,
19        tutorial_global_oce_in_p, tutorial_global_oce_latlon and
20        tutorial_plume_on_slope.
21    o pkg/diagnostics/diagstats_calc.F: add special code for TARGET_NEC_SX
22      that vectorises. This code uses 3 extra 2D fields, F90 array assignments
23      and F90 intrinsic routines SUM, MINVAL, MAXVAL, but since TARGET_NEC_SX
24      does not even come with an F77 compiler anymore, this should not be
25      a limitation
26    
27    checkpoint63e (2011/11/06)
28    o pkg/seaice adjoint of LSR:
29      - substantially rework STORE dirs.
30      - add new flag SEAICE_LSR_ADJOINT_ITER and parameter SOLV_MAX_FIXED
31        this flag will do SOLV_MAX_ITERS but only store SOLV_MAX_FIXED fields
32        and only perform SOLV_MAX_FIXED adjoint iters.
33        If flag SEAICE_LSR_ADJOINT_ITER is undef-ined, the store in the iteration
34        always goes to same record, meaning that the last forward field will be
35        the one used in the adjoint - an approximation.
36      - now produces non-zero LSR-related gradients, and acceptable gradients for
37        An's zonal (x-z) test case (to be checked in)
38      - lab_sea: produces acceptable gradients for lab_sea with forward/backward LSR
39        (but these are screwed up by the thermodynamics in the first place);
40        reduce from 4 to 3 timesteps to avoid t.d. issue as temporary solution;
41        output_adm.txt also reflects changes to seaice_lsr
42      - global_ocean.cs32x15:
43        * the "default" input_ad.seaice has been re-defined to always exclude dynamics
44          (output_adm.seaice.txt was updated)
45        * new input_ad.seaice_dynmix tests a forward LSR / backward free-drift
46          (output_adm.seaice_dynmix.txt)
47    o test-exp. exp4+stevens:
48      - switch off pTracers and nonHydrostatic (restart problems with NH); update output
49    o pkg/seaice (lsr solver):
50      - put coriolis term into FORCEX,Y (as in seaice_evp.F; previously in rhsU,V only);
51        update output (change truncation) of FWD test exp lab_sea & global_ocean.cs32x15
52      - fix SEAICEuseFREEDRIFT for new OBCS version (ndef OBCS_UVICE_OLD)
53      - new parameter "LSR_mixIniGuess" allows (if=2,4) to mix free-drift solution
54        into initial guess for linearised solver; use weight ~ (1/err)^2,4.
55      - compute (with new S/R) and print initial (+ free-driff sol. if available)
56        and final residual of linearised system.
57    o pkg/pp81: add diagnostics for vertical eddy viscosity and diffusivity
58      (requires new subroutines pp81_init_fixed.F/pp81_diagnostics_init.F)
59    o pkg/obcs: Stevens BCs (still only for east and west)
60      - fix Stevens BCs by using intermediate velocities of previous
61        time step as "baroclinic" contribution rather velocity of one grid cell
62        inside the boundaries; more consistent but makes the entire treatment
63        more complicated, requires new pickup files and two new S/Rs:
64        obcs_copy_uv_n and obcs_save_uv_n
65        keep old version with flag OBCS_STEVENS_USE_INTERIOR_VELOCITY
66        (undefined by default)
67      - silently move computation of some grid factors into separate loops to
68        save some recomputations
69      - add a hack for non-linear free surface
70      - add a verification experiment to exp4 that tests this code
71    o make gluemnc/xplodemnc work with (moron) non-GNU shell tools
72    
73    checkpoint63d (2011/10/25)
74    o pkg/obcs + seaice-dynamics:
75      - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before
76        solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB
77        values (consistent with an implicit method).
78      - add option OBCS_UVICE_OLD (in OBCS_OPTIONS.h, defined by default) to
79        return to older implementation (same results as before); note that none of
80        the "experimental" OBCS_SEAICE options are implemented in the new version.
81      - switch test exp. seaice_obcs to use new version (update output).
82    o pkg/seaice:
83      - add few stop (B-grid & CS-exch, B-grid & obcs, AUTODIFF & SEAICE_maskRHS)
84      - add parenthesis in Water-Ice drag calculations (evp & lsr);
85      - in seaice_lsr.F, simplify and fix AA3 setting in case sNx or sNy=1;
86        and fix case SEAICE_waterDrag=0 (but unstable if no or little seaice)
87      - update output of test exp lab_sea that uses evp or lsr (fwd+ad)
88        and global_ocean.cs32x15 (icedyn & seaice fwd+ad).
89    o pkg/layers:
90      - Include potential density as new coordinate (Thanks to David Munday)
91    o pkg/dic:
92      - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add
93        carbonate computation/output to CALC_PCO2_APPROX
94    o pkg/generic_advdiff
95      - make TAF generate code that vectorizes:
96        gad_dst3fl_adv_*.F, gad_u3c4_impl_r.F
97    o model/src:
98      - improve vectorization also for adjoint code of
99        solve_tridiagonal and solve_pentadiagonal. As this requires up to
100        5 new 3D-fields, this code is only turned on for the combination of
101        ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX. Also remove error message
102        for singular matrix check (only for TARGET_NEC_SX).
103      - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to
104        ALLOW_AUTODIFF. This flag now needs to be set outside of
105        solve_tri/pentadiagonal.F
106    o pkg/exf:
107      - fix previous modif in exf_readparms.F (revision 1.66: treatment of
108        optional namelist EXF_NML_OBCS).
109      - add many debug-print (to trace down where pkg/cal error msg comes from)
110    o pkg/mom_vecinv/mom_vi_hdissip.F
111      - rearrange loops so that vectorization is improved and in particular
112        the adjoint routine vectorizes. The code is a little longer now, but I
113        think easier to read.
114        Note: CPP-flag MOM_VI_ORIGINAL_VISCA4 is not tested.
115    o pkg/seaice:
116      - allow to specify initial seaice velocity from files (uIceFile,vIceFile)
117    o pkg/exch2:
118      - alternative code (without tile x tile matrix) for cumulated (global) sum;
119        used as default; keep using matrix version in adjustment.cs-32x32x1.
120    o tools/build_options:
121      - after merging some MPI and/or multi-threads specific optfiles so that
122        the modified default optfile support both built (using genmake2 -mpi
123        for the MPI built, using genmake2 -omp for OpenMP built),
124        move now obsolete optfiles to tools/build_options/unsupported/
125       (add copy of email sent to support list in doc/optfiles_changes.txt)
126    
127    checkpoint63c (2011/09/28)
128    o pkg/ebm:
129      - fix ebm_zonalmean.F for several procs in Ydir (nPy > 1); update output of
130        test exp. global_ocean_ebm (affects machine truncation, 12 digits for cg2d)
131    o pkg/seaice (SItracer pickup)
132    * Simple code for pickup of SItracer fields (#define ALLOW_SITRACER)
133      To be done:
134      - thorough testing of missing fields in S/R seaice_read_pickup
135      - thorough matching between generic tracers and specific fields used
136        (e.g. volume-weighted age, area-weighted age, salinity, ...)
137    o pkg/grdchk:
138      - all procs calculate and print finite-difference gradient (for testreport)
139      - change description output used by testreport;
140      - AD testing: also compare and report Finite-difference gradient;
141        => update all output_adm*.txt
142    o test exp. global_ocean_ebm:
143      - switch back useRealFreshWaterFlux (no problem anymore with run-off);
144        and turn on exactConserve; update (fwd) output.
145    o pkg/seaice (LSR):
146      - print to STDOUT number of solver iterations at SEAICE_monFreq interval.
147      - modify solver to deal cleanly with u/v switch at face edges (CS-grid):
148        * identical results with non-CS topology (but save up to half of EXCH calls)
149        * no much changes in cs-32 verification tests since no ice at face edges
150         (differences due to convergence criteria, since nb of iterations changed)
151        * expect some differences on lat-lon-cap grid.
152        update FWD results of global_ocean.cs32x15 test exp. (icedyn & seaice)
153    o pkg/exch2:
154      - add new CPP option to disable Cumul-Sum matrix (to save storage when using
155        many tiles); until alternative coding is added, just add a stop.
156    o pkg/kpp:
157      - move ptracer/salt correction to KPP diffusivity from calc_3d_diffusivity.F
158        to S/R KPP_CALC_DIFF_PTR (+ add tracer-index to argument list).
159    o optfiles:
160      - merged few MPI specific (*+mpi*) and multi-threads specific (*+mth) optfiles
161        into corresponding standard one, which now support different build:
162        (when using "genmake2 -mpi" for MPI built, "genmake2 -omp" for OpenMP built)
163      - add "darwin_amd64_gfortran" optfile (initially from Constantinos, tested by Gael)
164    o pkg/obcs (seaice):
165      - add missing EXCH for uIce,vIce after applying OBCS;
166      - remove S/R EXF_SWAPFFIELDS_X/Y , disable S/R EXF_SET_OBCS_X/Y by adding
167        argument = number of levels to S/R EXF_SWAPFFIELDS_XZ/YZ and S/R
168        EXF_SET_OBCS_XZ/YZ ; update obcs_exf_load.F;
169      - fix EXF_SET_OBCS_XZ/YZ for multi-threaded (assuming loaded arrays are shared)
170      - verification exp. seaice_obcs: split domain in 2 tiles ; add SIZE.h_mpi
171        and eedata.mth for MPI and mutlti-threaded testing.
172    o pkg/flt:
173      - make FLT EXCH working with multi-threads (and MPI + multi-threads);
174      - use buffer for floats IO (trajectories & profiles); size set in FLT_SIZE.h;
175      - fix pickup and trajectories + profiles output with multi-threads;
176      - add parameter to select group of fields to write along trajectory and
177        profile (default unchanged);
178      - only call PORT_RAND* function when flt_noise <> 0;
179      - add multi-threaded test for verification exp. flt_example.
180    o eesupp/src:
181      - fix S/R ALL_PROC_DIE for MPI+multi-threads.
182      - USE_OMP_THREADING: check that number of threads (from eedata) matches
183        actual number (from env.var. setting).
184    o pkg/ebm:
185      - fix multi-threading in ebm_area_t.F ; clean-up EBM.h header file.
186      - add multi-threaded test for verification exp. global_ocean_ebm
187    
188    checkpoint63b (2011/08/29)
189    o pkg/ebm:
190      - fix sign of runoff;
191      - update directly forcing fields (Qnet,EmPmR) to use standard
192        external_forcing_surf.F (remove ebm_forcing_surf.F);
193      - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
194      - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
195        and apply relaxation towards corresponding SST field (2-D map or ZonAver).
196      - update global_ocean_ebm parameters file data and update output (fwd+ad).
197    o verification/matrix_example:
198      - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
199        MPI and mutlti-threaded testing.
200    o pkg/matrix:
201      - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
202      - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
203      - fix for multi-threaded (remove DATA statement);
204      - use standard DIFFERENT_MULTIPLE function;
205      - add MATRIX_OPTIONS.h
206    o verification/matrix_example:
207       To allow to split the domain in several tiles, change the domain size
208        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
209        Western side) of land points.
210    o (*_)write_pickup:
211      - fix few bugs in mypackage_read/write_pickup.F
212      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
213        array of length 1 (was caught by compiler syntax-check).
214    o pkg/diagnostics (velocity potential solver):
215      - fix initialisation of main diagonal matrix (for overlap values)
216    o tools/build_options:
217      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
218        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
219      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
220        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
221        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
222        and use "-devel" testreport option for standard testing on baudelaire.
223    o pkg/grdchk:
224      - Assume that all gradient-check position are within the same tile
225        corresponding to global indices (iGloTile,jGloTile) and that
226        positions (i,j indices or nbeg) are local to this tile;
227      - set tile local-indices and proc. number according to tile global-indices;
228      - remove grdchkwhichproc from namelist (retired param);
229      - send adjoint gradient to all procs so that all procs print it to STDOUT;
230      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
231    o adding package bbl (Bottom Boundary Layer)
232      description in MITgcm/pkg/bbl/bbl_description.tex
233      example/test experiment in MITgcm_contrib/bbl
234    o adjoint verifications
235      - changed 5 experiments to multi-tiles
236        * global_ocean.90x40x15
237        * obcs_ctrl
238        * offline_exf_seaice
239        * tutorial_dic_adjoffline
240        * tutorial_tracer_adjsens
241        changed reference output for those that crossed tile boundaries
242        (changed choices of gradient check positions)
243      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
244      - temporary bug fix in grdchk_loc.F for obcs
245    o genmake2 & testreport
246      - add target "obj" (just for OBJFILES files) to Makefile;
247      - add option to specify FEXTRAFLAGS on command line.
248    o pkg/mypackage:
249      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
250    
251    checkpoint63a (2011/08/02)
252    o pkg/diagnostics (velocity potential):
253      - fix velocity-potential calculation when using OBCS: balance net inflow
254        at each level (new S/R OBCS_DIAG_BALANCE).
255      - fix some of the problems with OBCS in stream-function calculation.
256    o pkg/exf/exf_readparms.F
257      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
258        EXF_NML_OBCS) more consistent, so that you need not have these lists
259        in data.exf when they are not used.
260    o optim/optim_readdata.F:
261      - add some output about obcs variables that might help debugging
262      - add a check about nvarlength
263    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
264    o pkg/diagnostics (velocity potential):
265      - fix mask for OBCS (still problems in stream-function with OBCS);
266      - add specific parameter (default = main code CG2D params) for solver;
267      - in case of poor convergence, use solution corresponding to lowest residual.
268    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
269      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
270      and should be avoided where possible.
271    o model/src (rStar):
272      - include r* effect on reference-state (PhiRef) in totPhiHyd
273        (so that it's really the potential anomaly at the cell center);
274        affect solution only if z* with full pressure in EOS.
275      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
276        update output (because of z* in totPhiHyd and viscA4 changes);
277      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
278        @ constant r) until interpolation at constant r is implemented.
279    o pkg/diagnostics
280      - fix RCENTER diagnostics in case cell center is not at interface middle
281    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
282      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
283      that THETA and SALT are "conservative temperature" and "absolute
284      salinity"
285    o pkg/ctrl
286      - fix computation of endrec in s/r ctrl_init_rec
287      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
288    o pkg/seaice/seaice_growth.F
289      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
290        remove then obsolete STORE directives
291      - fix STORE directives for tice and tices, so that only the
292        appropriate part of the fields are stored (and not the entire
293        field); update global_ocean.cs32x15.seaice AD output.
294      - cosmetic changes: adjust CPP flags and indentation for better
295        legibilty
296    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
297      Chris Wilson)
298    o pkg/gmredi:
299       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
300       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
301    
302    checkpoint63  (2011/07/11)
303    o pkg/exch2:
304     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
305     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
306       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
307       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
308    o pkg/diagnostics:
309     - deal with pairs of post-processed diags which are computed together; in
310       particular, re-order list of diags within 1 file to save 2nd computation.
311     - add S/R to compute velocity stream-function (called after velocity-potential
312       calculation) from divergence free transport -> new diagnostics "PsiVEL".
313     - add parameter to select grid-point location where PsiVEL == 0.
314    o eesupp/src:
315       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
316       (specific S/R needed with exch2 topology - for now, just print an error msg)
317    o pkg/shelfice
318     - Implement friction velocity-dependent transfer coefficients following
319       Holland and Jenkins, JPO, 1999
320       Original code by M. Losch with small modifs.
321       Enable with CPP option SHI_ALLOW_GAMMAFRICT
322       and runtime flag SHELFICEuseGammaFrict
323    o verification lab_sea & global_ocean.cs32x15:
324     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
325       does not miss some dependencies (but is slower) and also works with many files
326       (default makedepend limitation for AD built).
327     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
328    o pkg/diagnostics:
329     - add run-time parameter "useMissingValue" (def=False) to fill land-point
330        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
331       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
332     - Extend the use of "missing_value" setting from data.diagnostics for the case
333       of counter-diagnostics (where fraction-weight is zero). This applies both to
334       MNC and MDS output files.
335    o pkg/seaice/seaice_growth.F:
336      - add 'a priori' cap of latent heat flux based on actual mass considerations
337        when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
338        non-legacy seaice_solve4temp.
339      - add diagnostic of the residual sublimation freshwater flux (the freshwater
340        flux taken from the ocean if the total actual latent heat fluxes exceed
341        the maximum)
342      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
343       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
344      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
345       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
346      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
347      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
348    o verification 1D_ocean_ice_column:
349       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
350       update results
351    o pkg/diagnostics:
352     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
353       which are not filled-up but computed from other diags ; In this case, the mate
354       diag points to the primary (filled-up) diag to used for post processing.
355     - Update Velocity-potential computation using post-processed diag framework.
356     ==> Change the ordering of fields and time-periods in MDS output file
357       when using periodic averaging: now writes one time record with the full set
358       of fields for this time period, then the next time reccord (it used to be
359       one field with the full set of time records then the next field).
360         Note: this is now similar to NetCDF (MNC) output file. <==
361    
362    checkpoint62z (2011/06/21)
363    o adjoint monitor:
364     - Add adjoint monitor output for packages exf, seaice
365       and update relevant testreport output
366    o pkg/seaice:
367     - re-order diags inits so that they appear in order in available_diagnostics.log
368     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
369       area/heff/hsnow preceeding thermodynamic growth/melt.
370     - modified diag: SIdA; output actual effect, as the description states.
371     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
372     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
373       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
374        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
375     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
376     - added diagnostics for seaice generic tracers (SItr*).
377     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
378     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
379     I. Fenty: 18-Jun-2011:
380     Minor changes to seaice package:
381     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
382        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
383       - Differentiated "regularization variables" from "floor variables"
384        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
385        * hiceMin became SEAICE_hice_reg (old hiceMin)
386          (with _reg meaning regularization variable)
387       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
388        so as to ensure energy conservation when going between phases
389      - A22 was not used anywhere
390     2) Changed regularization procedure for heffActual and hsnowActual to ensure
391        well-boundedness and smooth adjoint in seaice_growth.F
392     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
393        because the old regularization always set heffActual >= 0.05 cm
394     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
395        on AREA when HEFF > 0.
396      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
397        requiring that DISABLE_AREA_FLOOR *not* be defined
398     Affected verifications:
399      - 1D_ocean_ice_column (output.txt output_adm.txt)
400      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
401    o pkg/diagnostics:
402      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
403      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
404        (was _RL, now integer) with option = 0 to retrieve all levels.
405      - add pieces of code to compute velocity potential at each level (new diagnostics
406        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
407        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
408      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
409        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
410        and in diagnostics_fract_fill.F (do not need a valid pointer for the
411        diagnostics counter-mate); check that definition of counter-diagnostic
412        includes a valid counter-mate (in diagnostics_set_levels.F).
413    o model/src (rStar):
414      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
415        affect solution only if z* with full pressure in EOS;
416        update output of test-exp global_ocean.90x40x15.
417    o pkg/seaice:
418      - introduce siEps=1e-5 parameter
419      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
420      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
421      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
422        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
423        as well as ice cover age and ridging index (attached to AREA).
424        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
425        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
426        Up to SItrMaxNum=3 tracers can be used simultaneously.
427    o pkg/salt_plume:
428      -introduce SPsalFRAC run time parameter that sets the fraction of the
429       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
430       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
431    o model debug options:
432      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
433        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
434      - Refine debug-msg printing selection (3 new levels):
435        debugMode  : controls printing of debug messages (sequence of S/R calls).
436        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
437         debLevZero =  0 ; /* level of disabled aux. msg printing */
438         debLevA =  1 ; /* level of minimum  aux. msg printing */
439         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
440         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
441         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
442         debLevE =  5 ; /* level of extensive debug printing */
443        New debugLevel default: with default debugMode value (=F),
444          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
445          and if debugMode=T, default debugLevel = 4 (debLevD).
446        Relation with previous settings:
447         debLevB (=2) corresponds to former debLevA (=1)
448         debLevD (=4) corresponds to former debLevB (=2)
449        Note:
450         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
451         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
452            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
453      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
454        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
455    o pkg/obcs:
456      - change OBCSfixTopo default from True to False (should not change the results);
457        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
458    o pkg/thsice:
459      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
460        2nd layer seaice sublimation (unlikely to happen)
461      - use Interior mask for OBCS in thsice_advection.F (similar to what is
462        done in gad_advection & seaice_advection).
463    o adjoint:
464      bug fix spotted by Gael Forget:
465      seaice_advection and thsice_advection still had
466      legacy CPP options to avoid CS corner updates for adjoint
467    o pkg/seaice:
468      => Change some of the defaults (2011/05/29):
469         - change SEAICEuseFluxForm default (from False to True)
470         - change DIFF1 default (from 0.004 m/s to 0. m/s)
471         And print warnings if DIFF1 is not set in data.seaice and centered
472          avection scheme is used without any diffusion.
473      also:
474      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
475      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
476      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
477        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
478        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
479      update results of test exp.:
480         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
481             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
482             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
483         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
484         seaice_obcs: output (SEAICEuseFluxForm=T)
485      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
486          for standard fwd & AD lab_sea tests (to keep the same output).
487    o pkg/seaice/seaice_growth.F:
488      - use Ian Fenty's capping formulas for actual ice
489      thickness thoughout EVOLUTION branch.
490      - put treatment pathological case #2) in CPP brackets
491      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
492      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
493    o pkg/seaice:
494      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
495      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
496      also pass fac as a param, which can be 1. (to update the tendency
497      field) or the time step (to update the field itself).
498      - seaice_advdiff.F: for multidim, call seaice_diffusion with
499      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
500      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
501      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
502      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
503    o pkg/seaice:
504      diffusion with centered advection scheme (diffus.F & advect.F):
505      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
506        to just compute the laplacian of input-field.
507      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
508      - fix flux-form version in diffus.F to conserve tracer.
509      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
510       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
511    
512    checkpoint62y (2011/05/26)
513    o pkg/seaice:
514     - seaice_growth.F : in EVOLUTION branch, always include
515       a_QSWbyATM_cover in qnet (as it should be).
516     - verification/global_ocean.cs32x15 : update results accordingly
517       (output.seaice.txt output_adm.seaice.txt).
518    o pkg/seaice + obcs:
519     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
520       equivalent of assuming no tracer gradient outside the OB region.
521       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
522     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
523       after changes above);
524     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
525       only at OB location (instead of over a band of OLx width).
526    o pkg/seaice:
527     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
528       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
529    o pkg/obcs:
530      - split header file "OBCS.h" into 4 separated files:
531        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
532       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
533         (contain no conditional statement which depends on OBCS options).
534      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
535        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
536    o ctrl, cost, grdchk & autodiff pkgs:
537      - make options file more standard (like other {PKG}_OPTIONS.h file but
538        with AD_CONFIG.h); clean-up some of the included header files.
539    o pkg/obcs:
540      - do not mask tracer when applying OB (tracer == 0 could generate problems)
541      - apply tracer OB values to tracer field only at OB location (instead of
542        over a band of OLx width)
543      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
544      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
545        obcs_apply_tloc.F & obcs_apply_sloc.F
546    o obcs in model/src:
547      - call OBCS_APPLY_W only if NonHydrostatic.
548      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
549      - reset dEtaHdt and wVel to zero outside OB interior region ;
550      - leave tracer unchanged outside OB interior region: This has no effect
551        on the solution but just to prevent unrealistic tracer value outside OB.
552      - zero out velocity outside OB interior region: This has no effect on
553        the solution but just to prevent unrealistic velocity outside OB.
554    o obcs and non-lin free-surf:
555       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
556       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
557       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
558       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
559       update results of test-exp. exp4(nlfs).
560    o exp4 (nlfs) test-exp:
561       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
562       with NonLin-FreeSurf); update output.nlfs.txt
563    o obcs and 2d/3d solver norm:
564       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
565       and outside OB interior region (will allow to place OB further inside the
566       domain). Depending on the domain, can affects cg2d-Norm (previous
567       cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
568       and cg3d-Norm (previous Norm was computed before canceling OB terms),
569       e.g. in tutorial_plume_on_slope.
570      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
571    o pkg rbcs:
572      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
573      - add capability to apply relaxation to horizontal velocity uVel & vVel.
574    o pkg/grdchk: add gradient check for control variable xx_shifwflx
575    o pkg/shelfice/shelfice_init_fixed.F
576      fix CPP-flag combinations
577    o pkg/seaice: Merge iceage code of Pierre Rampal
578      * update/change/correct ice age calculations
579      * add age updates for pathological cases
580      Probably needs more testing...
581    
582    checkpoint62x (2011/05/13)
583    o pkg/mom_vecinv:
584       high-order vorticity scheme: use interior masks (maskInW & S)
585       to zero-out (outside OB) gradient of vorticity.
586    o verification exp.:
587       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
588       hs94.128x64x5 and seaice_obcs ; update results.
589    o pkg/obcs:
590      fix bug in OBeta for YZ sections in obcs_exf_load.F
591    o pkg/ctrl, pkg/shelfice, and optim:
592      - add new control variable xx_shifwflx (fresh water flux underneath ice
593        shelves). This is almost as tedious as obcs-ctrl, because the
594        variables needs its own mask.
595      - add a cost function term that penalizes the deviation of xx_shifwflx
596        from the first guess (zero) in analogy to other control variables
597    o pkg/shelfice:
598      - start basic adjoint
599    o pkg/ctrl:
600      - remove extra 2D field "for good measure" when initializing in
601        ctrl_set_globfld_[xy/xz/yz].F
602      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
603      - improve error messages in ctrl_set_unpack_*
604    o OBC implementation in momentum:
605       use interior masks (maskInC,W & S) in momentum S/R:
606       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
607       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
608       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
609       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
610       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
611        (and also with Leith/Smagorinsky harmonic-viscosity).
612       Update output of experiment dome and exp4 (+nlfs).
613    o exp4 test-exp:
614      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
615        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
616        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
617        time-varying OB at Western-side for wVel (NonHyd); update output.
618      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
619        and biharmonic-viscosity ; also use prescribed time varying OB.
620    o pkg/obcs:
621      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
622    o model/src:
623      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
624      - initialise startTime & nIter0 with unlikely values: allows to set one
625        from the other without ambiguity.
626    o seaice_obcs test-exp.:
627      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
628    o pkg/obcs:
629      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
630        no longer needed with maskInC,W,S in pkg/generic_advdiff.
631  o pkg/seaice:  o pkg/seaice:
632    - retired SEAICE_SALINITY and SEAICE_salinity in favor of    - retired SEAICE_SALINITY and SEAICE_salinity in favor of
633      SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.      SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
634    - fixed bug in the initialization of sea ice salinity variable HSALT    - fixed bug in the initialization of sea ice salinity variable HSALT
635      in seaice_init_varia.F  (removed dependence on ICE2WATR)      in seaice_init_varia.F  (removed dependence on ICE2WATR)
636  o fizhi-cs test exp.:  o fizhi-cs test exp.:
637     switch reference output convention for these 2 non-standard test-exp,     switch reference output convention for these 2 non-standard test-exp,
638      from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)      from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
639        to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)        to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
640     reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran     reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
641  o model/inc:  o model/inc:

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