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-revision 1.1391 by mlosch,
Wed Mar  9 16:18:06 2011 UTC
+revision 1.1537 by mlosch,
Tue Nov 29 10:56:03 2011 UTC
 Line 4 
 $Name$
      Notes on tags used in MITgcmUV
      ==============================
- o pkg/ctrl/ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
+ o pkg/obcs/obcs_calc_stevens.F:
+   - fix a bug in code for northern and southern boundaries.
+ o pkg/seaice/seaice_init_varia.F
+   - undo resetting UVM=0 that has slipped in unnoticed in r1.49 and
+     caused zero ice-velocities for the B-grid code
+ o pkg/seaice/seaice_init_fixed.F
+   - fix a bug in the initialisation of the second metric terms
+     k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0.
+   - this affects all seaice configurations with useCurviLinearGrid = .true.
+     and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms
+     = .true. (default)
+   - the only verification experiment affected is global_ocean.cs32x15:
+     icedyn, seaice, and seaice_dynmix (AD)
+ o pkg/thsice/thsice_diagnostics_state.F
+   - only for TARGET_NEC_SX: initialise all of tmpFld, so that overlap does
+     not contain garbage that can lead to surprises in diagstats_calc.F
+ o model/src:
+   - move bi,bj loops inside INTEGR_CONTINUITY ;
+   - call INTEGR_CONTINUITY directly from forward_step.F
+     (previously called from momentum_correction_step.F)
+   - call UPDATE_ETAH from integr_continuity.F and update initialise_varia.F,
+     forward_step.F and pkg/ecco/the_main_loop.F
+ o model/src/do_oceanic_phys.F:
+   - reset addMass to zero only if useICEFRONT ;
+   - separated k-loop for rhoInSitu calculation ;
+   - add 2 diagnostics for wVel*delta^k(Rho) at constant pressure (= WdRHO_P)
+     and at constant T,S (= WdRHOdP);
+   NOTE: change diagnostics WRHOMASS : this is now simply the Vertical transport
+     of In-Situ Density (Anomaly) (=wVel*rho^bar-k) (previously was Vertical
+     transport of locally-referenced potential density);
+     to recover old diag: (WRHOMASS)_old = (WRHOMASS)_new -1/2 * (WdRHOdP)
+ o gluemnc:
+   - replace ncrcat with ncks when adding variables to *.glob.nc
+   - change the way variables without record dimensions are handled so that
+     files that have variables with and without record variables can be glued:
+     add a record dimension with a new unique name to be able to differentiate
+     between variable with and without a-prior record dimensions. Remove
+     this record dimension before adding the variable to the *.glob.nc file.
+     This procedure automatically works also for grid.*.nc files that do not
+     have any record dimension.
+ o verification/cpl_aim+ocn:
+   - generate new reference output on baudelaire (gfortran, mpich2) (previously
+     from old aces-grid cluster, ao + ifort) and update 'run_cpl_test' script.
+ o pkg/obcs/obcs_calc_stevens.F:
+   - add code for northern and southern boundaries.
+   - reorder some loops to save some operations and so that drFBar can be scalar
+ o model/src:
+   - re-arrange extrapolation calculation in Adams-Bashforth S/R (affects machine
+     truncation) and add diagnostics for Adams-Bashforth tendency increment.
+   - update test-exp. AD output:
+D_ocean_ice_column, bottom_ctrl_5x5, lab_sea.noseaicedyn, obcs_ctrl;
+   and FWD output: exp4 (x3), fizhi-cs-32x32x40, fizhi-cs-aqualev20,
+     front_relax (x3), global_ocean.90x40x15 (x2), global_ocean.cs32x15 (x5),
+     global_ocean_ebm, ideal_2D_oce, internal_wave, isomip (x3), lab_sea (x4),
+     matrix_example, MLAdjust (x5), natl_box (x2), tutorial_advection_in_gyre,
+     tutorial_global_oce_in_p, tutorial_global_oce_latlon and
+     tutorial_plume_on_slope.
+ o pkg/diagnostics/diagstats_calc.F: add special code for TARGET_NEC_SX
+   that vectorises. This code uses 3 extra 2D fields, F90 array assignments
+   and F90 intrinsic routines SUM, MINVAL, MAXVAL, but since TARGET_NEC_SX
+   does not even come with an F77 compiler anymore, this should not be
+   a limitation
+ checkpoint63e (2011/11/06)
+ o pkg/seaice adjoint of LSR:
+   - substantially rework STORE dirs.
+   - add new flag SEAICE_LSR_ADJOINT_ITER and parameter SOLV_MAX_FIXED
+     this flag will do SOLV_MAX_ITERS but only store SOLV_MAX_FIXED fields
+     and only perform SOLV_MAX_FIXED adjoint iters.
+     If flag SEAICE_LSR_ADJOINT_ITER is undef-ined, the store in the iteration
+     always goes to same record, meaning that the last forward field will be
+     the one used in the adjoint - an approximation.
+   - now produces non-zero LSR-related gradients, and acceptable gradients for
+     An's zonal (x-z) test case (to be checked in)
+   - lab_sea: produces acceptable gradients for lab_sea with forward/backward LSR
+     (but these are screwed up by the thermodynamics in the first place);
+     reduce from 4 to 3 timesteps to avoid t.d. issue as temporary solution;
+     output_adm.txt also reflects changes to seaice_lsr
+   - global_ocean.cs32x15:
+     * the "default" input_ad.seaice has been re-defined to always exclude dynamics
+       (output_adm.seaice.txt was updated)
+     * new input_ad.seaice_dynmix tests a forward LSR / backward free-drift
+       (output_adm.seaice_dynmix.txt)
+ o test-exp. exp4+stevens:
+   - switch off pTracers and nonHydrostatic (restart problems with NH); update output
+ o pkg/seaice (lsr solver):
+   - put coriolis term into FORCEX,Y (as in seaice_evp.F; previously in rhsU,V only);
+     update output (change truncation) of FWD test exp lab_sea & global_ocean.cs32x15
+   - fix SEAICEuseFREEDRIFT for new OBCS version (ndef OBCS_UVICE_OLD)
+   - new parameter "LSR_mixIniGuess" allows (if=2,4) to mix free-drift solution
+     into initial guess for linearised solver; use weight ~ (1/err)^2,4.
+   - compute (with new S/R) and print initial (+ free-driff sol. if available)
+     and final residual of linearised system.
+ o pkg/pp81: add diagnostics for vertical eddy viscosity and diffusivity
+   (requires new subroutines pp81_init_fixed.F/pp81_diagnostics_init.F)
+ o pkg/obcs: Stevens BCs (still only for east and west)
+   - fix Stevens BCs by using intermediate velocities of previous
+     time step as "baroclinic" contribution rather velocity of one grid cell
+     inside the boundaries; more consistent but makes the entire treatment
+     more complicated, requires new pickup files and two new S/Rs:
+     obcs_copy_uv_n and obcs_save_uv_n
+     keep old version with flag OBCS_STEVENS_USE_INTERIOR_VELOCITY
+     (undefined by default)
+   - silently move computation of some grid factors into separate loops to
+     save some recomputations
+   - add a hack for non-linear free surface
+   - add a verification experiment to exp4 that tests this code
+ o make gluemnc/xplodemnc work with (moron) non-GNU shell tools
+ checkpoint63d (2011/10/25)
+ o pkg/obcs + seaice-dynamics:
+   - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before
+     solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB
+     values (consistent with an implicit method).
+   - add option OBCS_UVICE_OLD (in OBCS_OPTIONS.h, defined by default) to
+     return to older implementation (same results as before); note that none of
+     the "experimental" OBCS_SEAICE options are implemented in the new version.
+   - switch test exp. seaice_obcs to use new version (update output).
+ o pkg/seaice:
+   - add few stop (B-grid & CS-exch, B-grid & obcs, AUTODIFF & SEAICE_maskRHS)
+   - add parenthesis in Water-Ice drag calculations (evp & lsr);
+   - in seaice_lsr.F, simplify and fix AA3 setting in case sNx or sNy=1;
+     and fix case SEAICE_waterDrag=0 (but unstable if no or little seaice)
+   - update output of test exp lab_sea that uses evp or lsr (fwd+ad)
+     and global_ocean.cs32x15 (icedyn & seaice fwd+ad).
+ o pkg/layers:
+   - Include potential density as new coordinate (Thanks to David Munday)
+ o pkg/dic:
+   - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add
+     carbonate computation/output to CALC_PCO2_APPROX
+ o pkg/generic_advdiff
+   - make TAF generate code that vectorizes:
+     gad_dst3fl_adv_*.F, gad_u3c4_impl_r.F
+ o model/src:
+   - improve vectorization also for adjoint code of
+     solve_tridiagonal and solve_pentadiagonal. As this requires up to
+new 3D-fields, this code is only turned on for the combination of
+     ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX. Also remove error message
+     for singular matrix check (only for TARGET_NEC_SX).
+   - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to
+     ALLOW_AUTODIFF. This flag now needs to be set outside of
+     solve_tri/pentadiagonal.F
+ o pkg/exf:
+   - fix previous modif in exf_readparms.F (revision 1.66: treatment of
+     optional namelist EXF_NML_OBCS).
+   - add many debug-print (to trace down where pkg/cal error msg comes from)
+ o pkg/mom_vecinv/mom_vi_hdissip.F
+   - rearrange loops so that vectorization is improved and in particular
+     the adjoint routine vectorizes. The code is a little longer now, but I
+     think easier to read.
+     Note: CPP-flag MOM_VI_ORIGINAL_VISCA4 is not tested.
+ o pkg/seaice:
+   - allow to specify initial seaice velocity from files (uIceFile,vIceFile)
+ o pkg/exch2:
+   - alternative code (without tile x tile matrix) for cumulated (global) sum;
+     used as default; keep using matrix version in adjustment.cs-32x32x1.
+ o tools/build_options:
+   - after merging some MPI and/or multi-threads specific optfiles so that
+     the modified default optfile support both built (using genmake2 -mpi
+     for the MPI built, using genmake2 -omp for OpenMP built),
+     move now obsolete optfiles to tools/build_options/unsupported/
+    (add copy of email sent to support list in doc/optfiles_changes.txt)
+ checkpoint63c (2011/09/28)
+ o pkg/ebm:
+   - fix ebm_zonalmean.F for several procs in Ydir (nPy > 1); update output of
+     test exp. global_ocean_ebm (affects machine truncation, 12 digits for cg2d)
+ o pkg/seaice (SItracer pickup)
+ * Simple code for pickup of SItracer fields (#define ALLOW_SITRACER)
+   To be done:
+   - thorough testing of missing fields in S/R seaice_read_pickup
+   - thorough matching between generic tracers and specific fields used
+     (e.g. volume-weighted age, area-weighted age, salinity, ...)
+ o pkg/grdchk:
+   - all procs calculate and print finite-difference gradient (for testreport)
+   - change description output used by testreport;
+   - AD testing: also compare and report Finite-difference gradient;
+     => update all output_adm*.txt
+ o test exp. global_ocean_ebm:
+   - switch back useRealFreshWaterFlux (no problem anymore with run-off);
+     and turn on exactConserve; update (fwd) output.
+ o pkg/seaice (LSR):
+   - print to STDOUT number of solver iterations at SEAICE_monFreq interval.
+   - modify solver to deal cleanly with u/v switch at face edges (CS-grid):
+     * identical results with non-CS topology (but save up to half of EXCH calls)
+     * no much changes in cs-32 verification tests since no ice at face edges
+      (differences due to convergence criteria, since nb of iterations changed)
+     * expect some differences on lat-lon-cap grid.
+     update FWD results of global_ocean.cs32x15 test exp. (icedyn & seaice)
+ o pkg/exch2:
+   - add new CPP option to disable Cumul-Sum matrix (to save storage when using
+     many tiles); until alternative coding is added, just add a stop.
+ o pkg/kpp:
+   - move ptracer/salt correction to KPP diffusivity from calc_3d_diffusivity.F
+     to S/R KPP_CALC_DIFF_PTR (+ add tracer-index to argument list).
+ o optfiles:
+   - merged few MPI specific (*+mpi*) and multi-threads specific (*+mth) optfiles
+     into corresponding standard one, which now support different build:
+     (when using "genmake2 -mpi" for MPI built, "genmake2 -omp" for OpenMP built)
+   - add "darwin_amd64_gfortran" optfile (initially from Constantinos, tested by Gael)
+ o pkg/obcs (seaice):
+   - add missing EXCH for uIce,vIce after applying OBCS;
+   - remove S/R EXF_SWAPFFIELDS_X/Y , disable S/R EXF_SET_OBCS_X/Y by adding
+     argument = number of levels to S/R EXF_SWAPFFIELDS_XZ/YZ and S/R
+     EXF_SET_OBCS_XZ/YZ ; update obcs_exf_load.F;
+   - fix EXF_SET_OBCS_XZ/YZ for multi-threaded (assuming loaded arrays are shared)
+   - verification exp. seaice_obcs: split domain in 2 tiles ; add SIZE.h_mpi
+     and eedata.mth for MPI and mutlti-threaded testing.
+ o pkg/flt:
+   - make FLT EXCH working with multi-threads (and MPI + multi-threads);
+   - use buffer for floats IO (trajectories & profiles); size set in FLT_SIZE.h;
+   - fix pickup and trajectories + profiles output with multi-threads;
+   - add parameter to select group of fields to write along trajectory and
+     profile (default unchanged);
+   - only call PORT_RAND* function when flt_noise <> 0;
+   - add multi-threaded test for verification exp. flt_example.
+ o eesupp/src:
+   - fix S/R ALL_PROC_DIE for MPI+multi-threads.
+   - USE_OMP_THREADING: check that number of threads (from eedata) matches
+     actual number (from env.var. setting).
+ o pkg/ebm:
+   - fix multi-threading in ebm_area_t.F ; clean-up EBM.h header file.
+   - add multi-threaded test for verification exp. global_ocean_ebm
+ checkpoint63b (2011/08/29)
+ o pkg/ebm:
+   - fix sign of runoff;
+   - update directly forcing fields (Qnet,EmPmR) to use standard
+     external_forcing_surf.F (remove ebm_forcing_surf.F);
+   - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
+   - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
+     and apply relaxation towards corresponding SST field (2-D map or ZonAver).
+   - update global_ocean_ebm parameters file data and update output (fwd+ad).
+ o verification/matrix_example:
+   - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
+     MPI and mutlti-threaded testing.
+ o pkg/matrix:
+   - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
+   - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
+   - fix for multi-threaded (remove DATA statement);
+   - use standard DIFFERENT_MULTIPLE function;
+   - add MATRIX_OPTIONS.h
+ o verification/matrix_example:
+    To allow to split the domain in several tiles, change the domain size
+     from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
+     Western side) of land points.
+ o (*_)write_pickup:
+   - fix few bugs in mypackage_read/write_pickup.F
+   - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
+     array of length 1 (was caught by compiler syntax-check).
+ o pkg/diagnostics (velocity potential solver):
+   - fix initialisation of main diagonal matrix (for overlap values)
+ o tools/build_options:
+   - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
+     into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
+   - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
+     * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
+     * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
+     and use "-devel" testreport option for standard testing on baudelaire.
+ o pkg/grdchk:
+   - Assume that all gradient-check position are within the same tile
+     corresponding to global indices (iGloTile,jGloTile) and that
+     positions (i,j indices or nbeg) are local to this tile;
+   - set tile local-indices and proc. number according to tile global-indices;
+   - remove grdchkwhichproc from namelist (retired param);
+   - send adjoint gradient to all procs so that all procs print it to STDOUT;
+   - switch on MPI test for global_ocean.90x40x15 AD test experiment.
+ o adding package bbl (Bottom Boundary Layer)
+   description in MITgcm/pkg/bbl/bbl_description.tex
+   example/test experiment in MITgcm_contrib/bbl
+ o adjoint verifications
+   - changed 5 experiments to multi-tiles
+     * global_ocean.90x40x15
+     * obcs_ctrl
+     * offline_exf_seaice
+     * tutorial_dic_adjoffline
+     * tutorial_tracer_adjsens
+     changed reference output for those that crossed tile boundaries
+     (changed choices of gradient check positions)
+   - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
+   - temporary bug fix in grdchk_loc.F for obcs
+ o genmake2 & testreport
+   - add target "obj" (just for OBJFILES files) to Makefile;
+   - add option to specify FEXTRAFLAGS on command line.
+ o pkg/mypackage:
+   - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
+ checkpoint63a (2011/08/02)
+ o pkg/diagnostics (velocity potential):
+   - fix velocity-potential calculation when using OBCS: balance net inflow
+     at each level (new S/R OBCS_DIAG_BALANCE).
+   - fix some of the problems with OBCS in stream-function calculation.
+ o pkg/exf/exf_readparms.F
+   - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
+     EXF_NML_OBCS) more consistent, so that you need not have these lists
+     in data.exf when they are not used.
+ o optim/optim_readdata.F:
+   - add some output about obcs variables that might help debugging
+   - add a check about nvarlength
+ o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
+ o pkg/diagnostics (velocity potential):
+   - fix mask for OBCS (still problems in stream-function with OBCS);
+   - add specific parameter (default = main code CG2D params) for solver;
+   - in case of poor convergence, use solution corresponding to lowest residual.
+ o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
+   adjoint code. In general statements like tmpscal=fld(i,j) are problematic
+   and should be avoided where possible.
+ o model/src (rStar):
+   - include r* effect on reference-state (PhiRef) in totPhiHyd
+     (so that it's really the potential anomaly at the cell center);
+     affect solution only if z* with full pressure in EOS.
+   - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
+     update output (because of z* in totPhiHyd and viscA4 changes);
+   - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
+     @ constant r) until interpolation at constant r is implemented.
+ o pkg/diagnostics
+   - fix RCENTER diagnostics in case cell center is not at interface middle
+ o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
+   this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
+   that THETA and SALT are "conservative temperature" and "absolute
+   salinity"
+ o pkg/ctrl
+   - fix computation of endrec in s/r ctrl_init_rec
+   - ctrl_pack/unpack_*: remove unused variables and some obsolete code
+ o pkg/seaice/seaice_growth.F
+   - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
+     remove then obsolete STORE directives
+   - fix STORE directives for tice and tices, so that only the
+     appropriate part of the fields are stored (and not the entire
+     field); update global_ocean.cs32x15.seaice AD output.
+   - cosmetic changes: adjust CPP flags and indentation for better
+     legibilty
+ o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
+   Chris Wilson)
+ o pkg/gmredi:
+    Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
+    and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
+ checkpoint63  (2011/07/11)
+ o pkg/exch2:
+  - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
+  - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
+    (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
+    increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
+ o pkg/diagnostics:
+  - deal with pairs of post-processed diags which are computed together; in
+    particular, re-order list of diags within 1 file to save 2nd computation.
+  - add S/R to compute velocity stream-function (called after velocity-potential
+    calculation) from divergence free transport -> new diagnostics "PsiVEL".
+  - add parameter to select grid-point location where PsiVEL == 0.
+ o eesupp/src:
+    new S/R to calculate cumulated sum on tiled array, corner grid-cell location
+    (specific S/R needed with exch2 topology - for now, just print an error msg)
+ o pkg/shelfice
+  - Implement friction velocity-dependent transfer coefficients following
+    Holland and Jenkins, JPO, 1999
+    Original code by M. Losch with small modifs.
+    Enable with CPP option SHI_ALLOW_GAMMAFRICT
+    and runtime flag SHELFICEuseGammaFrict
+ o verification lab_sea & global_ocean.cs32x15:
+  - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
+    does not miss some dependencies (but is slower) and also works with many files
+    (default makedepend limitation for AD built).
+  - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
+ o pkg/diagnostics:
+  - add run-time parameter "useMissingValue" (def=False) to fill land-point
+     (i.e., where mask=0) with MissingValue ; used only in MNC output file.
+    This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
+  - Extend the use of "missing_value" setting from data.diagnostics for the case
+    of counter-diagnostics (where fraction-weight is zero). This applies both to
+    MNC and MDS output files.
+ o pkg/seaice/seaice_growth.F:
+   - add 'a priori' cap of latent heat flux based on actual mass considerations
+     when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
+     non-legacy seaice_solve4temp.
+   - add diagnostic of the residual sublimation freshwater flux (the freshwater
+     flux taken from the ocean if the total actual latent heat fluxes exceed
+     the maximum)
+   - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
+    fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
+   - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
+    SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
+   - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
+   - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
+ o verification 1D_ocean_ice_column:
+    made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
+    update results
+ o pkg/diagnostics:
+  - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
+    which are not filled-up but computed from other diags ; In this case, the mate
+    diag points to the primary (filled-up) diag to used for post processing.
+  - Update Velocity-potential computation using post-processed diag framework.
+  ==> Change the ordering of fields and time-periods in MDS output file
+    when using periodic averaging: now writes one time record with the full set
+    of fields for this time period, then the next time reccord (it used to be
+    one field with the full set of time records then the next field).
+      Note: this is now similar to NetCDF (MNC) output file. <==
+ checkpoint62z (2011/06/21)
+ o adjoint monitor:
+  - Add adjoint monitor output for packages exf, seaice
+    and update relevant testreport output
+ o pkg/seaice:
+  - re-order diags inits so that they appear in order in available_diagnostics.log
+  - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
+    area/heff/hsnow preceeding thermodynamic growth/melt.
+  - modified diag: SIdA; output actual effect, as the description states.
+  - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
+  - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
+    (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
+     and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
+  - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
+  - added diagnostics for seaice generic tracers (SItr*).
+  - added SItrUnit and SItrNameLong run time param (for SItr* diags).
+  - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
+  I. Fenty: 18-Jun-2011:
+  Minor changes to seaice package:
+) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
+     added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
+    - Differentiated "regularization variables" from "floor variables"
+     * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
+     * hiceMin became SEAICE_hice_reg (old hiceMin)
+       (with _reg meaning regularization variable)
+    - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
+     so as to ensure energy conservation when going between phases
+   - A22 was not used anywhere
+) Changed regularization procedure for heffActual and hsnowActual to ensure
+     well-boundedness and smooth adjoint in seaice_growth.F
+) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
+     because the old regularization always set heffActual >= 0.05 cm
+) Changed the model so that the default behavior is to put a small (10^-5) "floor"
+     on AREA when HEFF > 0.
+   - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
+     requiring that DISABLE_AREA_FLOOR *not* be defined
+  Affected verifications:
+   - 1D_ocean_ice_column (output.txt output_adm.txt)
+   - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
+ o pkg/diagnostics:
+   - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
+   - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
+     (was _RL, now integer) with option = 0 to retrieve all levels.
+   - add pieces of code to compute velocity potential at each level (new diagnostics
+     PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
+     for now, using same params as CG2D (target-resisual, max Nb of iter ...).
+   - fix few issues with counter diagnostics in diagnostics_setdiag.F &
+     diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
+     and in diagnostics_fract_fill.F (do not need a valid pointer for the
+     diagnostics counter-mate); check that definition of counter-diagnostic
+     includes a valid counter-mate (in diagnostics_set_levels.F).
+ o model/src (rStar):
+   - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
+     affect solution only if z* with full pressure in EOS;
+     update output of test-exp global_ocean.90x40x15.
+ o pkg/seaice:
+   - introduce siEps=1e-5 parameter
+   - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
+   - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
+   - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
+     For now it covers, and was tested for, ice salinity and age (attached to HEFF),
+     as well as ice cover age and ridging index (attached to AREA).
+     For now the run time parameters (in data.seaice/SEAICE_PARM03) are
+     SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
+     Up to SItrMaxNum=3 tracers can be used simultaneously.
+ o pkg/salt_plume:
+   -introduce SPsalFRAC run time parameter that sets the fraction of the
+    salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
+    that gets vertically redistributed (fluxed down) by pkg/salt_plume.
+ o model debug options:
+   - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
+     in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
+   - Refine debug-msg printing selection (3 new levels):
+     debugMode  : controls printing of debug messages (sequence of S/R calls).
+     debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
+      debLevZero =  0 ; /* level of disabled aux. msg printing */
+      debLevA =  1 ; /* level of minimum  aux. msg printing */
+      debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
+      debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
+      debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
+      debLevE =  5 ; /* level of extensive debug printing */
+     New debugLevel default: with default debugMode value (=F),
+       = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
+       and if debugMode=T, default debugLevel = 4 (debLevD).
+     Relation with previous settings:
+      debLevB (=2) corresponds to former debLevA (=1)
+      debLevD (=4) corresponds to former debLevB (=2)
+     Note:
+      a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
+      b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
+         to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
+   - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
+     detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
+ o pkg/obcs:
+   - change OBCSfixTopo default from True to False (should not change the results);
+     keep OBCSfixTopo=T in verification-exp. seaice_obcs.
+ o pkg/thsice:
+   - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
+nd layer seaice sublimation (unlikely to happen)
+   - use Interior mask for OBCS in thsice_advection.F (similar to what is
+     done in gad_advection & seaice_advection).
+ o adjoint:
+   bug fix spotted by Gael Forget:
+   seaice_advection and thsice_advection still had
+   legacy CPP options to avoid CS corner updates for adjoint
+ o pkg/seaice:
+   => Change some of the defaults (2011/05/29):
+      - change SEAICEuseFluxForm default (from False to True)
+      - change DIFF1 default (from 0.004 m/s to 0. m/s)
+      And print warnings if DIFF1 is not set in data.seaice and centered
+       avection scheme is used without any diffusion.
+   also:
+   - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
+   - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
+   - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
+     other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
+     #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
+   update results of test exp.:
+      lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
+          output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
+          output_adm.noseaicedyn (SEAICEuseFluxForm=T)
+      offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
+      seaice_obcs: output (SEAICEuseFluxForm=T)
+   and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
+       for standard fwd & AD lab_sea tests (to keep the same output).
+ o pkg/seaice/seaice_growth.F:
+   - use Ian Fenty's capping formulas for actual ice
+   thickness thoughout EVOLUTION branch.
+   - put treatment pathological case #2) in CPP brackets
+   (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
+   - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
+ o pkg/seaice:
+   - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
+   pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
+   also pass fac as a param, which can be 1. (to update the tendency
+   field) or the time step (to update the field itself).
+   - seaice_advdiff.F: for multidim, call seaice_diffusion with
+   e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
+   seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
+   - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
+   hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
+ o pkg/seaice:
+   diffusion with centered advection scheme (diffus.F & advect.F):
+   - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
+     to just compute the laplacian of input-field.
+   - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
+   - fix flux-form version in diffus.F to conserve tracer.
+   update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
+    machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
+ checkpoint62y (2011/05/26)
+ o pkg/seaice:
+  - seaice_growth.F : in EVOLUTION branch, always include
+    a_QSWbyATM_cover in qnet (as it should be).
+  - verification/global_ocean.cs32x15 : update results accordingly
+    (output.seaice.txt output_adm.seaice.txt).
+ o pkg/seaice + obcs:
+  - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
+    equivalent of assuming no tracer gradient outside the OB region.
+    update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
+  - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
+    after changes above);
+  - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
+    only at OB location (instead of over a band of OLx width).
+ o pkg/seaice:
+  - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
+    (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
+ o pkg/obcs:
+   - split header file "OBCS.h" into 4 separated files:
+     OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
+    Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
+      (contain no conditional statement which depends on OBCS options).
+   - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
+     to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
+ o ctrl, cost, grdchk & autodiff pkgs:
+   - make options file more standard (like other {PKG}_OPTIONS.h file but
+     with AD_CONFIG.h); clean-up some of the included header files.
+ o pkg/obcs:
+   - do not mask tracer when applying OB (tracer == 0 could generate problems)
+   - apply tracer OB values to tracer field only at OB location (instead of
+     over a band of OLx width)
+   - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
+   - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
+     obcs_apply_tloc.F & obcs_apply_sloc.F
+ o obcs in model/src:
+   - call OBCS_APPLY_W only if NonHydrostatic.
+   - call OBCS_APPLY_ETA only if NonLinFreeSurf.
+   - reset dEtaHdt and wVel to zero outside OB interior region ;
+   - leave tracer unchanged outside OB interior region: This has no effect
+     on the solution but just to prevent unrealistic tracer value outside OB.
+   - zero out velocity outside OB interior region: This has no effect on
+     the solution but just to prevent unrealistic velocity outside OB.
+ o obcs and non-lin free-surf:
+    move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
+    and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
+    + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
+    this fixes missing EXCH + get consistent eta OB value (+ fix restart).
+    update results of test-exp. exp4(nlfs).
+ o exp4 (nlfs) test-exp:
+    use OBC for Eta at Western & Eastern OB (to test prescribing Eta
+    with NonLin-FreeSurf); update output.nlfs.txt
+ o obcs and 2d/3d solver norm:
+    use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
+    and outside OB interior region (will allow to place OB further inside the
+    domain). Depending on the domain, can affects cg2d-Norm (previous
+    cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
+    and cg3d-Norm (previous Norm was computed before canceling OB terms),
+    e.g. in tutorial_plume_on_slope.
+   - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
+ o pkg rbcs:
+   - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
+   - add capability to apply relaxation to horizontal velocity uVel & vVel.
+ o pkg/grdchk: add gradient check for control variable xx_shifwflx
+ o pkg/shelfice/shelfice_init_fixed.F
+   fix CPP-flag combinations
+ o pkg/seaice: Merge iceage code of Pierre Rampal
+   * update/change/correct ice age calculations
+   * add age updates for pathological cases
+   Probably needs more testing...
+ checkpoint62x (2011/05/13)
+ o pkg/mom_vecinv:
+    high-order vorticity scheme: use interior masks (maskInW & S)
+    to zero-out (outside OB) gradient of vorticity.
+ o verification exp.:
+    turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
+    hs94.128x64x5 and seaice_obcs ; update results.
+ o pkg/obcs:
+   fix bug in OBeta for YZ sections in obcs_exf_load.F
+ o pkg/ctrl, pkg/shelfice, and optim:
+   - add new control variable xx_shifwflx (fresh water flux underneath ice
+     shelves). This is almost as tedious as obcs-ctrl, because the
+     variables needs its own mask.
+   - add a cost function term that penalizes the deviation of xx_shifwflx
+     from the first guess (zero) in analogy to other control variables
+ o pkg/shelfice:
+   - start basic adjoint
+ o pkg/ctrl:
+   - remove extra 2D field "for good measure" when initializing in
+     ctrl_set_globfld_[xy/xz/yz].F
+   - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
+   - improve error messages in ctrl_set_unpack_*
+ o OBC implementation in momentum:
+    use interior masks (maskInC,W & S) in momentum S/R:
+    - multiply divergence, tension and some del^i.u or del^j.v by maskInC
+    - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
+    - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
+    - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
+    Motivation: fix/clean implementation of OBC with biharmonic-viscosity
+     (and also with Leith/Smagorinsky harmonic-viscosity).
+    Update output of experiment dome and exp4 (+nlfs).
+ o exp4 test-exp:
+   - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
+     and prescribe time-varying OB (without pkg/exf) for zonal-velocity
+     at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
+     time-varying OB at Western-side for wVel (NonHyd); update output.
+   - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
+     and biharmonic-viscosity ; also use prescribed time varying OB.
+ o pkg/obcs:
+   fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
+ o model/src:
+   - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
+   - initialise startTime & nIter0 with unlikely values: allows to set one
+     from the other without ambiguity.
+ o seaice_obcs test-exp.:
+   add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
+ o pkg/obcs:
+   - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
+     no longer needed with maskInC,W,S in pkg/generic_advdiff.
+ o pkg/seaice:
+   - retired SEAICE_SALINITY and SEAICE_salinity in favor of
+     SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
+   - fixed bug in the initialization of sea ice salinity variable HSALT
+     in seaice_init_varia.F  (removed dependence on ICE2WATR)
+ o fizhi-cs test exp.:
+    switch reference output convention for these 2 non-standard test-exp,
+     from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
+       to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
+    reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
+ o model/inc:
+   - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
+     of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
+ o pkg/seaice:
+   - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
+ o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
+   - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
+     and initial HSALT
+ checkpoint62w (2011/04/26)
+ o pkg/mom_fluxform:
+   - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
+   - use parameter "sideDragFactor" in no-slip BC side-drag part.
+   - update output of exp. global_ocean.90x40x15
+ o pkg/mom_vecinv:
+   mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
+ o update seaice exp.:
+   use more consistent parameter values (remove "backward compatability only":
+    ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
+   related to thermodynamics seaice. Update output (fwd+AD) of exp.:
+D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
+ o update test-exp global_ocean.90x40x15:
+   o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
+   o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
+   o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
+   o turn on zStar & viscA4 in standard set-up (dir input/)
+     and update output files: output.txt & output.dwnslp.txt
+ o new AD-test experiment: obcs_ctrl
+   (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
+ o pkg/dic:
+   fix two bugs in handling water vapour pressure in carbonate chemistry
+   and air-sea fluxes. Found by Val Bennington and Galen McKinley
+   (add DIC Option = WATERVAP_BUG to recover old results)
+   update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
+ o adding allowInteriorFreezing option to check for water below freezing point
+   at depth and bring the negative heat anomaly to the surface level
+ o pkgs _fields_load:
+   - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
+   - use new S/R GET_PERIODIC_INTERVAL in pkgs:
+     bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
+     rbcs to get interpolation weights and time reccord number.
+   - fix multi-threading in aim_fields_load.F
+   - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
+ o external_fields_load:
+   new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
+    interpolation weights) to use in a periodic time-series ; do not divide by
+    time-step to convert to integer:
+    - this fixes case where externForcingPeriod is not multiple of time-step
+       (Thanks to Christopher L. Wolfe)
+    - this fixes case where externForcingPeriod is an odd multiple of time-step
+      (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
+   store index of time-record which is currently loaded:
+    - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
+    - needed for the adjoint but not yet used because of extensive recomputations;
+      (to be fixed soon)
+ checkpoint62v (2011/04/02)
+ o verification/1D_ocean_ice_column added to test Ian Fenty's
+   pkg/seaice_growth.F modifications for improving sea ice code differentiability
+ o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
+   (new velocity statistics after changing maskInW & maskInS definition)
+ o pkg/generic_advdiff with OBCS:
+   use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
+   equivalent to assumption of no tracer gradient outside the OB region.
+   This will affect the results if using obcs+biharmonic diffusion.
+   update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
+ o pkg/obcs:
+   change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
+   (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
+   in Interior region. No impact on solution but affects Velocity monitor stats.
+ o pkg/ptracers (adjoint)
+   New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
+   tape file for each tracer
+ o model/inc/src and pkg/autodiff: add parameters that allow to turn
+   of parts of the adjoint code at run time. For now, there are only
+   useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
+   parameters are set in data.pkg.
+   This is the lazy coward's version of doing this, but still useful for
+   debugging. In order to do it right, everything needs to be moved to
+   pkg/autodiff.
+ o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
+   the end; this fixes the adjoint balancing code for open boundaries.
+ o pkg/ctrl:
+   - change behavior of xx_${varname}period to be analogous to exf-conventions:
+     xx_${varname}period =   0.,  means time-independent control part
+     xx_${varname}period = -12., means one-year-periodic monthly control part
+   - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
+     clean up ctrl_init a little, remove unused variables
+   - ctrl_init: fixed the handling of the start/endrec for obcs-variables
+   - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
+ checkpoint62u (2011/03/15)
+ o model/src:
+   - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
+     h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
+   - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
+     INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
+ o pkg/ctrl/obcs/ecco:
+   - remove obsolete, unused, and partially broken code:
+     ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
+     ALLOW_CTRL_OBCS_BALANCE
+   - put a stop statement into ecco/cost_obcsvol.F, but also add
+     cost_obcsvol to ecco_ad_diff.list
+ o pkg/ecco: fix counting cost function contributions for obcs (code
+   by Matt M.) and diffkr for diagnostics
+ o pkg/ecco, pkg/ctrl, pkg/grdchk:
+   add cost penalty terms for initial uvel, vvel, eta controls
+   and I/O for prior error files
+ o pkg/mdsio:
+    move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
+    (new argument) to check for tiled file in mdsioLocalDir : this fix the
+    restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
+ o pkg/ctrl:
+  - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
+    ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
+    unused and superfluous variables
+  - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
  o pkg/ecco
   - enable adjoint of Stevens OB
  o pkg/ctrl/ecco/grdchk:
    - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
      Fortunately, we do not have any tests for the numerous cpp-flagged
      option of "obcs as control parameters" so we will never know
      if this is an improvement (but at least now things compile).
    - remove an obsolete initialization from ecco_cost_init_barfiles.F
    - fix some problems within never used ifdefs to make the code compile
  o pkg/obcs:
   - Refine Interior mask definition to work with more complex OB (e.g.
     if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to

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-Removed from v.1.1391
+Added in v.1.1537

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