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revision 1.1370 by jmc, Thu Jan 27 20:52:10 2011 UTC revision 1.1561 by jmc, Sat Dec 24 01:22:09 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/PKG_OPTIONS.h files:
8      - move #include "CPP_OPTIONS.h" just after #include "PACKAGES_CONFIG.h",
9        outside of the #ifdef ALLOW_THISPKG / #endif block.
10      - update verification/*/code/PKG_OPTIONS.h files.
11    o add a verification experiment (offline_exf_seaice/input.seaice) that test
12      the B-grid LSOR solver
13    o pkg/seaice: sort out emissivity and long wave radiation step 2:
14      - add emissivity for snow and ice as new run-time parameters
15        (unfortunately) that default to the corresponding exf values; this
16        changes results in most verification experiments so that for backward
17        compatibility these parameter have to be set explicitly to inconsistent
18        values (ugly);
19      - the exf-flag EXF_LWDOWN_WITH_EMISSIVITY then gets rid off the hard-wired
20        emissivities of 0.97 associated with lwdownloc in S/R seaice_solve4temp
21        until we agree how to handle this bug properly
22    o pkg/exf (interpolation):
23      - add a set of run-time param ({inputfield}_interpMethod), one for
24        each interpolated input field, to select the interpolation method
25        with a value of zero switching off the interpolation;
26      - print interpolation parameters to standard output;
27      - refine exf_check.F accordingly ; stop if USE_NO_INTERP_RUNOFF is defined
28        (to use instead runoff_interpMethod=0 in data.exf).
29      - simplify default setting of interpolation parameters (for all fields,
30        set position to match model grid cell-center position, leading to trivial
31        interpolation in case of regular Lat-Lon grid) and fix for the case of
32        non-uniform delY.
33    o pkg/exf/exf_radiation.F: add the factor ocean_emissivity to lwdown, for
34       within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.
35       this factor is absolutely required, because the lw exitance (= out-going
36       long wave radiation) is emissivity*stefanBoltzmann*T^4 + rho*lwdown,
37       where the reflectivity rho = 1-emissivity for conservation reasons. Once
38       this is established, we can remove the CPP-Flag (if we want to).
39    o pkg/seaice:
40      - qualify a stop statement in S/R seaice_check: EXF_READ_EVAP and
41        ALLOW_BULKFORMULAE are only required if SEAICE_EXTERNAL_FLUXES is defined
42      - sort out emissivity and long wave radiation, step 1: make SEAICE_emissivity
43        what the name implies (and not emissivity*BoltzmannConstant), this means
44        the old default value of 5.5e-8 now means
45        5.5e-8/5.670e-8 = 0.97001763668430343479 as ocean_emissivity in
46        S/R exf_readparms
47      - FV-discretization of the B-grid LSOR solver, turn on with
48        SEAICE_LSRBNEW. This new solver also involves a slight re-organization
49        of the calling routine dynsolver, so that B and C-grid code look a
50        little more alike.
51      - fix index bugs in ostres.F (B-grid code)
52    o pkg/seaice/seaice_ocean_budget.F: change (unused) code to make it look better
53    o pkg/seaice/seaice_readparms.F: make ocean_emissivity*stefanBoltzmann the
54      default for SEAICE_emissivity, if useEXF; requires setting a wrong
55      parameter value in global_ocean.cs32x15/input.seaice/data.seaice for
56      backward compatiblity
57    o model/src: use sigmaR in calc_ivdc
58    
59    checkpoint63g (2011/12/16)
60    o pkg/seaice/seaice_growth.F:
61      fix heat conservation of the coupled ocean-seaice system.
62      when SEAICE_HEAT_CONSERV_FIX is defined, the mismatch of
63      solid vs liquid water treatment is resolved via QNET.
64    o pkg/seaice/seaice_growth.F:
65      add missing term for sublimation in saltFlux, which was breaking conservation.
66    o pkg/seaice/seaice_model.F:
67      Remove this patholigical case treatment in evolution branch,
68      where it is un-necessary and breaks conservation.
69      Update global_ocean.cs32x15/results accordingly for
70      output.seaice.txt output_adm.seaice.txt and output_adm.seaice_dynmix.txt
71    o model/src:
72      useRealFreshWaterFlux: remove masking of EmPmP (using maskInC) in
73      external_forcing_surf.F and apply mask directly in S/R SOLVE_FOR_PRESSURE.
74    o pkg/obcs:
75      modify Stevens boundary conditions so that S/R obcs_calc_stevens computes
76      tendency for temperature and salinity that is then applied to update
77      theta and salt in S/R obcs_apply_ts; this requires proper masking of all
78      horizontal advection and diffusion contributions on the boundary (in
79      S/Rs gad_advection, gad_calc_rhs, gmredi_rtransport, gmredi_calc_diff), and
80      removing the mask in S/R timestep_tracer. The advantage of this approach is
81      that the updated tracer values include contributions from the surface
82      forcing and vertical diffusion.
83      This modification changes exp4.stevens because of vertical diffusion.
84    o model/src:
85      change non-curvilinear grid setting to also work with exch2 + blank tiles:
86      - move delX,delY to new header file (SET_GRID.h) and adjust length to 1rst
87        face dimensions.
88      - new S/R INI_LOCAL_GRID to define model tile-local grid (using same units
89        as delX,delY) and called from S/R INI_CARTESIAN_GRID, INI_CYLINDER_GRID
90        and INI_SPHERICAL_POLAR_GRID.
91      change test-experiment global_ocean.90x40x15:
92      - split the domain in many more tiles (9x4 tiles of 10x10 each);
93      - switch to exch2 and remove 1 blank-tile (but only for MPI test).
94      - update results of both test (std & dwnslp).
95    o pkg/diagnostics/diagstat_calc.F: fix problem with non-initialised halos in
96       tmp-fields for TARGET_NEC_SX at the cost of extra loops and less vectorisation
97    o model/src:
98      - take sigma-coords related code out of update_etah.F into new S/R UPDATE_ETAWS
99        and fix initialisation when using sigma-coords.
100    o model/src:
101     - improve Gael's changes from Jan 14, 2011 "addition of an 'update' of hfacc etc.
102       to their current value at the beginning of forward_step.F": add a new run-time
103       switch "doResetHFactors" (default=false) and use it to do (or not) the resetting.
104     - set doResetHFactors=T in the following test exp:
105        global_ocean.90x40x15/input (rStar) & input.dwnslp (linFS),
106        global_ocean.cs32x15/input.seaice (rStar), hs94.cs-32x32x5/input.impIGW (linFS)
107        and tutorial_global_oce_in_p (nonLinFS in p)
108    o pkg/ecco
109      - added IES cost term
110    o verification/advect_xz
111      - scale down the depth by 1/100 (from 200 km to just 2.km)
112      - add secondary test using divergent flow, r-star and implicit vertical advection.
113      - add note (check_conserve_TS.txt) and matlab script to check global
114        conservation of T & S with NonLin-FreeSurf and Adams-Bashforth.
115    o pkg/rbcs:
116      - add missing relaxUFile & relaxVFile in namelist (in rbcs_readparms.F).
117    o pkg/obcs (Stevens BCs):
118      - fix various problems in the phase speed computations of the Stevens
119        boundary conditions:
120        - sign error for western and southern boundaries,
121        - time tendencies were underestimated by factor of dTracerLev and some just
122          zero (for multidim advection schemes) -> now estimate time tendencies
123          from difference between previous (n) time level and the one before (n-1);
124          this requires storing a field per tracer per boundary, also in the pickup
125          files.
126        - replace deltaTmom in cflMer/Zon computation with dTracerLev
127        - set default phase velocity to cflMer/Zon
128      - update verification experiment exp4.stevens
129    o pkg/generic_advdiff (implicit_r):
130      - fix implicit vertical advection conservation with AB and/or NonLin-FreeSurf
131        (remove Tr*d/dz(w) in gad_implicit_r.F and add it in gad_calc_rhs.F);
132      - fix implicit vertical diffusion or advection with NonLin FreeSurf
133        (was using current recip_hFacC instead of future recip_hFacC): set future
134        recip_hFac in thermodynamics.F and pass & use it in all vertical implicit
135        solver S/R ;
136      - fill diagnostics of vertical advective fluxes (computed from tendency)
137        when using implicit vert. advection;
138      - update output of exp that uses NonLin-FreeSurf & implicit vertical diffusion:
139         global_ocean.90x40x15 (fwd+AD), global_ocean.cs32x15 (4 fwd +4 AD),
140         tutorial_global_oce_in_p (fwd), tutorial_tracer_adjsens (AD)
141         and cpl_aim+ocn (used in ocean); to be fixed: bottom_ctrl_5x5.
142    o pkg/diagnostics:
143      - add diags for T & S tendency which goes through Adams-Bashforth.
144    
145    checkpoint63f (2011/11/30)
146    o pkg/obcs/obcs_calc_stevens.F:
147      - join some loops to reduce number of if-statements
148      - fix a bug in code for northern and southern boundaries.
149    o pkg/seaice/seaice_init_varia.F
150      - undo resetting UVM=0 that has slipped in unnoticed in r1.49 and
151        caused zero ice-velocities for the B-grid code
152    o pkg/seaice/seaice_init_fixed.F
153      - fix a bug in the initialisation of the second metric terms
154        k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0.
155      - this affects all seaice configurations with useCurviLinearGrid = .true.
156        and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms
157        = .true. (default)
158      - the only verification experiment affected is global_ocean.cs32x15:
159        icedyn, seaice, and seaice_dynmix (AD)
160    o pkg/thsice/thsice_diagnostics_state.F
161      - only for TARGET_NEC_SX: initialise all of tmpFld, so that overlap does
162        not contain garbage that can lead to surprises in diagstats_calc.F
163    o model/src:
164      - move bi,bj loops inside INTEGR_CONTINUITY ;
165      - call INTEGR_CONTINUITY directly from forward_step.F
166        (previously called from momentum_correction_step.F)
167      - call UPDATE_ETAH from integr_continuity.F and update initialise_varia.F,
168        forward_step.F and pkg/ecco/the_main_loop.F
169    o model/src/do_oceanic_phys.F:
170      - reset addMass to zero only if useICEFRONT ;
171      - separated k-loop for rhoInSitu calculation ;
172      - add 2 diagnostics for wVel*delta^k(Rho) at constant pressure (= WdRHO_P)
173        and at constant T,S (= WdRHOdP);
174      NOTE: change diagnostics WRHOMASS : this is now simply the Vertical transport
175        of In-Situ Density (Anomaly) (=wVel*rho^bar-k) (previously was Vertical
176        transport of locally-referenced potential density);
177        to recover old diag: (WRHOMASS)_old = (WRHOMASS)_new -1/2 * (WdRHOdP)
178    o gluemnc:
179      - replace ncrcat with ncks when adding variables to *.glob.nc
180      - change the way variables without record dimensions are handled so that
181        files that have variables with and without record variables can be glued:
182        add a record dimension with a new unique name to be able to differentiate
183        between variable with and without a-prior record dimensions. Remove
184        this record dimension before adding the variable to the *.glob.nc file.
185        This procedure automatically works also for grid.*.nc files that do not
186        have any record dimension.
187    o verification/cpl_aim+ocn:
188      - generate new reference output on baudelaire (gfortran, mpich2) (previously
189        from old aces-grid cluster, ao + ifort) and update 'run_cpl_test' script.
190    o pkg/obcs/obcs_calc_stevens.F:
191      - add code for northern and southern boundaries.
192      - reorder some loops to save some operations and so that drFBar can be scalar
193    o model/src:
194      - re-arrange extrapolation calculation in Adams-Bashforth S/R (affects machine
195        truncation) and add diagnostics for Adams-Bashforth tendency increment.
196      - update test-exp. AD output:
197        1D_ocean_ice_column, bottom_ctrl_5x5, lab_sea.noseaicedyn, obcs_ctrl;
198      and FWD output: exp4 (x3), fizhi-cs-32x32x40, fizhi-cs-aqualev20,
199        front_relax (x3), global_ocean.90x40x15 (x2), global_ocean.cs32x15 (x5),
200        global_ocean_ebm, ideal_2D_oce, internal_wave, isomip (x3), lab_sea (x4),
201        matrix_example, MLAdjust (x5), natl_box (x2), tutorial_advection_in_gyre,
202        tutorial_global_oce_in_p, tutorial_global_oce_latlon and
203        tutorial_plume_on_slope.
204    o pkg/diagnostics/diagstats_calc.F: add special code for TARGET_NEC_SX
205      that vectorises. This code uses 3 extra 2D fields, F90 array assignments
206      and F90 intrinsic routines SUM, MINVAL, MAXVAL, but since TARGET_NEC_SX
207      does not even come with an F77 compiler anymore, this should not be
208      a limitation
209    
210    checkpoint63e (2011/11/06)
211    o pkg/seaice adjoint of LSR:
212      - substantially rework STORE dirs.
213      - add new flag SEAICE_LSR_ADJOINT_ITER and parameter SOLV_MAX_FIXED
214        this flag will do SOLV_MAX_ITERS but only store SOLV_MAX_FIXED fields
215        and only perform SOLV_MAX_FIXED adjoint iters.
216        If flag SEAICE_LSR_ADJOINT_ITER is undef-ined, the store in the iteration
217        always goes to same record, meaning that the last forward field will be
218        the one used in the adjoint - an approximation.
219      - now produces non-zero LSR-related gradients, and acceptable gradients for
220        An's zonal (x-z) test case (to be checked in)
221      - lab_sea: produces acceptable gradients for lab_sea with forward/backward LSR
222        (but these are screwed up by the thermodynamics in the first place);
223        reduce from 4 to 3 timesteps to avoid t.d. issue as temporary solution;
224        output_adm.txt also reflects changes to seaice_lsr
225      - global_ocean.cs32x15:
226        * the "default" input_ad.seaice has been re-defined to always exclude dynamics
227          (output_adm.seaice.txt was updated)
228        * new input_ad.seaice_dynmix tests a forward LSR / backward free-drift
229          (output_adm.seaice_dynmix.txt)
230    o test-exp. exp4+stevens:
231      - switch off pTracers and nonHydrostatic (restart problems with NH); update output
232    o pkg/seaice (lsr solver):
233      - put coriolis term into FORCEX,Y (as in seaice_evp.F; previously in rhsU,V only);
234        update output (change truncation) of FWD test exp lab_sea & global_ocean.cs32x15
235      - fix SEAICEuseFREEDRIFT for new OBCS version (ndef OBCS_UVICE_OLD)
236      - new parameter "LSR_mixIniGuess" allows (if=2,4) to mix free-drift solution
237        into initial guess for linearised solver; use weight ~ (1/err)^2,4.
238      - compute (with new S/R) and print initial (+ free-driff sol. if available)
239        and final residual of linearised system.
240    o pkg/pp81: add diagnostics for vertical eddy viscosity and diffusivity
241      (requires new subroutines pp81_init_fixed.F/pp81_diagnostics_init.F)
242    o pkg/obcs: Stevens BCs (still only for east and west)
243      - fix Stevens BCs by using intermediate velocities of previous
244        time step as "baroclinic" contribution rather velocity of one grid cell
245        inside the boundaries; more consistent but makes the entire treatment
246        more complicated, requires new pickup files and two new S/Rs:
247        obcs_copy_uv_n and obcs_save_uv_n
248        keep old version with flag OBCS_STEVENS_USE_INTERIOR_VELOCITY
249        (undefined by default)
250      - silently move computation of some grid factors into separate loops to
251        save some recomputations
252      - add a hack for non-linear free surface
253      - add a verification experiment to exp4 that tests this code
254    o make gluemnc/xplodemnc work with (moron) non-GNU shell tools
255    
256    checkpoint63d (2011/10/25)
257    o pkg/obcs + seaice-dynamics:
258      - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before
259        solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB
260        values (consistent with an implicit method).
261      - add option OBCS_UVICE_OLD (in OBCS_OPTIONS.h, defined by default) to
262        return to older implementation (same results as before); note that none of
263        the "experimental" OBCS_SEAICE options are implemented in the new version.
264      - switch test exp. seaice_obcs to use new version (update output).
265    o pkg/seaice:
266      - add few stop (B-grid & CS-exch, B-grid & obcs, AUTODIFF & SEAICE_maskRHS)
267      - add parenthesis in Water-Ice drag calculations (evp & lsr);
268      - in seaice_lsr.F, simplify and fix AA3 setting in case sNx or sNy=1;
269        and fix case SEAICE_waterDrag=0 (but unstable if no or little seaice)
270      - update output of test exp lab_sea that uses evp or lsr (fwd+ad)
271        and global_ocean.cs32x15 (icedyn & seaice fwd+ad).
272    o pkg/layers:
273      - Include potential density as new coordinate (Thanks to David Munday)
274    o pkg/dic:
275      - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add
276        carbonate computation/output to CALC_PCO2_APPROX
277    o pkg/generic_advdiff
278      - make TAF generate code that vectorizes:
279        gad_dst3fl_adv_*.F, gad_u3c4_impl_r.F
280    o model/src:
281      - improve vectorization also for adjoint code of
282        solve_tridiagonal and solve_pentadiagonal. As this requires up to
283        5 new 3D-fields, this code is only turned on for the combination of
284        ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX. Also remove error message
285        for singular matrix check (only for TARGET_NEC_SX).
286      - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to
287        ALLOW_AUTODIFF. This flag now needs to be set outside of
288        solve_tri/pentadiagonal.F
289    o pkg/exf:
290      - fix previous modif in exf_readparms.F (revision 1.66: treatment of
291        optional namelist EXF_NML_OBCS).
292      - add many debug-print (to trace down where pkg/cal error msg comes from)
293    o pkg/mom_vecinv/mom_vi_hdissip.F
294      - rearrange loops so that vectorization is improved and in particular
295        the adjoint routine vectorizes. The code is a little longer now, but I
296        think easier to read.
297        Note: CPP-flag MOM_VI_ORIGINAL_VISCA4 is not tested.
298    o pkg/seaice:
299      - allow to specify initial seaice velocity from files (uIceFile,vIceFile)
300    o pkg/exch2:
301      - alternative code (without tile x tile matrix) for cumulated (global) sum;
302        used as default; keep using matrix version in adjustment.cs-32x32x1.
303    o tools/build_options:
304      - after merging some MPI and/or multi-threads specific optfiles so that
305        the modified default optfile support both built (using genmake2 -mpi
306        for the MPI built, using genmake2 -omp for OpenMP built),
307        move now obsolete optfiles to tools/build_options/unsupported/
308       (add copy of email sent to support list in doc/optfiles_changes.txt)
309    
310    checkpoint63c (2011/09/28)
311    o pkg/ebm:
312      - fix ebm_zonalmean.F for several procs in Ydir (nPy > 1); update output of
313        test exp. global_ocean_ebm (affects machine truncation, 12 digits for cg2d)
314    o pkg/seaice (SItracer pickup)
315    * Simple code for pickup of SItracer fields (#define ALLOW_SITRACER)
316      To be done:
317      - thorough testing of missing fields in S/R seaice_read_pickup
318      - thorough matching between generic tracers and specific fields used
319        (e.g. volume-weighted age, area-weighted age, salinity, ...)
320    o pkg/grdchk:
321      - all procs calculate and print finite-difference gradient (for testreport)
322      - change description output used by testreport;
323      - AD testing: also compare and report Finite-difference gradient;
324        => update all output_adm*.txt
325    o test exp. global_ocean_ebm:
326      - switch back useRealFreshWaterFlux (no problem anymore with run-off);
327        and turn on exactConserve; update (fwd) output.
328    o pkg/seaice (LSR):
329      - print to STDOUT number of solver iterations at SEAICE_monFreq interval.
330      - modify solver to deal cleanly with u/v switch at face edges (CS-grid):
331        * identical results with non-CS topology (but save up to half of EXCH calls)
332        * no much changes in cs-32 verification tests since no ice at face edges
333         (differences due to convergence criteria, since nb of iterations changed)
334        * expect some differences on lat-lon-cap grid.
335        update FWD results of global_ocean.cs32x15 test exp. (icedyn & seaice)
336    o pkg/exch2:
337      - add new CPP option to disable Cumul-Sum matrix (to save storage when using
338        many tiles); until alternative coding is added, just add a stop.
339    o pkg/kpp:
340      - move ptracer/salt correction to KPP diffusivity from calc_3d_diffusivity.F
341        to S/R KPP_CALC_DIFF_PTR (+ add tracer-index to argument list).
342    o optfiles:
343      - merged few MPI specific (*+mpi*) and multi-threads specific (*+mth) optfiles
344        into corresponding standard one, which now support different build:
345        (when using "genmake2 -mpi" for MPI built, "genmake2 -omp" for OpenMP built)
346      - add "darwin_amd64_gfortran" optfile (initially from Constantinos, tested by Gael)
347    o pkg/obcs (seaice):
348      - add missing EXCH for uIce,vIce after applying OBCS;
349      - remove S/R EXF_SWAPFFIELDS_X/Y , disable S/R EXF_SET_OBCS_X/Y by adding
350        argument = number of levels to S/R EXF_SWAPFFIELDS_XZ/YZ and S/R
351        EXF_SET_OBCS_XZ/YZ ; update obcs_exf_load.F;
352      - fix EXF_SET_OBCS_XZ/YZ for multi-threaded (assuming loaded arrays are shared)
353      - verification exp. seaice_obcs: split domain in 2 tiles ; add SIZE.h_mpi
354        and eedata.mth for MPI and mutlti-threaded testing.
355    o pkg/flt:
356      - make FLT EXCH working with multi-threads (and MPI + multi-threads);
357      - use buffer for floats IO (trajectories & profiles); size set in FLT_SIZE.h;
358      - fix pickup and trajectories + profiles output with multi-threads;
359      - add parameter to select group of fields to write along trajectory and
360        profile (default unchanged);
361      - only call PORT_RAND* function when flt_noise <> 0;
362      - add multi-threaded test for verification exp. flt_example.
363    o eesupp/src:
364      - fix S/R ALL_PROC_DIE for MPI+multi-threads.
365      - USE_OMP_THREADING: check that number of threads (from eedata) matches
366        actual number (from env.var. setting).
367    o pkg/ebm:
368      - fix multi-threading in ebm_area_t.F ; clean-up EBM.h header file.
369      - add multi-threaded test for verification exp. global_ocean_ebm
370    
371    checkpoint63b (2011/08/29)
372    o pkg/ebm:
373      - fix sign of runoff;
374      - update directly forcing fields (Qnet,EmPmR) to use standard
375        external_forcing_surf.F (remove ebm_forcing_surf.F);
376      - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
377      - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
378        and apply relaxation towards corresponding SST field (2-D map or ZonAver).
379      - update global_ocean_ebm parameters file data and update output (fwd+ad).
380    o verification/matrix_example:
381      - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
382        MPI and mutlti-threaded testing.
383    o pkg/matrix:
384      - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
385      - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
386      - fix for multi-threaded (remove DATA statement);
387      - use standard DIFFERENT_MULTIPLE function;
388      - add MATRIX_OPTIONS.h
389    o verification/matrix_example:
390       To allow to split the domain in several tiles, change the domain size
391        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
392        Western side) of land points.
393    o (*_)write_pickup:
394      - fix few bugs in mypackage_read/write_pickup.F
395      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
396        array of length 1 (was caught by compiler syntax-check).
397    o pkg/diagnostics (velocity potential solver):
398      - fix initialisation of main diagonal matrix (for overlap values)
399    o tools/build_options:
400      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
401        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
402      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
403        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
404        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
405        and use "-devel" testreport option for standard testing on baudelaire.
406    o pkg/grdchk:
407      - Assume that all gradient-check position are within the same tile
408        corresponding to global indices (iGloTile,jGloTile) and that
409        positions (i,j indices or nbeg) are local to this tile;
410      - set tile local-indices and proc. number according to tile global-indices;
411      - remove grdchkwhichproc from namelist (retired param);
412      - send adjoint gradient to all procs so that all procs print it to STDOUT;
413      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
414    o adding package bbl (Bottom Boundary Layer)
415      description in MITgcm/pkg/bbl/bbl_description.tex
416      example/test experiment in MITgcm_contrib/bbl
417    o adjoint verifications
418      - changed 5 experiments to multi-tiles
419        * global_ocean.90x40x15
420        * obcs_ctrl
421        * offline_exf_seaice
422        * tutorial_dic_adjoffline
423        * tutorial_tracer_adjsens
424        changed reference output for those that crossed tile boundaries
425        (changed choices of gradient check positions)
426      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
427      - temporary bug fix in grdchk_loc.F for obcs
428    o genmake2 & testreport
429      - add target "obj" (just for OBJFILES files) to Makefile;
430      - add option to specify FEXTRAFLAGS on command line.
431    o pkg/mypackage:
432      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
433    
434    checkpoint63a (2011/08/02)
435    o pkg/diagnostics (velocity potential):
436      - fix velocity-potential calculation when using OBCS: balance net inflow
437        at each level (new S/R OBCS_DIAG_BALANCE).
438      - fix some of the problems with OBCS in stream-function calculation.
439    o pkg/exf/exf_readparms.F
440      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
441        EXF_NML_OBCS) more consistent, so that you need not have these lists
442        in data.exf when they are not used.
443    o optim/optim_readdata.F:
444      - add some output about obcs variables that might help debugging
445      - add a check about nvarlength
446    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
447    o pkg/diagnostics (velocity potential):
448      - fix mask for OBCS (still problems in stream-function with OBCS);
449      - add specific parameter (default = main code CG2D params) for solver;
450      - in case of poor convergence, use solution corresponding to lowest residual.
451    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
452      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
453      and should be avoided where possible.
454    o model/src (rStar):
455      - include r* effect on reference-state (PhiRef) in totPhiHyd
456        (so that it's really the potential anomaly at the cell center);
457        affect solution only if z* with full pressure in EOS.
458      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
459        update output (because of z* in totPhiHyd and viscA4 changes);
460      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
461        @ constant r) until interpolation at constant r is implemented.
462    o pkg/diagnostics
463      - fix RCENTER diagnostics in case cell center is not at interface middle
464    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
465      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
466      that THETA and SALT are "conservative temperature" and "absolute
467      salinity"
468    o pkg/ctrl
469      - fix computation of endrec in s/r ctrl_init_rec
470      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
471    o pkg/seaice/seaice_growth.F
472      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
473        remove then obsolete STORE directives
474      - fix STORE directives for tice and tices, so that only the
475        appropriate part of the fields are stored (and not the entire
476        field); update global_ocean.cs32x15.seaice AD output.
477      - cosmetic changes: adjust CPP flags and indentation for better
478        legibilty
479    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
480      Chris Wilson)
481    o pkg/gmredi:
482       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
483       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
484    
485    checkpoint63  (2011/07/11)
486    o pkg/exch2:
487     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
488     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
489       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
490       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
491    o pkg/diagnostics:
492     - deal with pairs of post-processed diags which are computed together; in
493       particular, re-order list of diags within 1 file to save 2nd computation.
494     - add S/R to compute velocity stream-function (called after velocity-potential
495       calculation) from divergence free transport -> new diagnostics "PsiVEL".
496     - add parameter to select grid-point location where PsiVEL == 0.
497    o eesupp/src:
498       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
499       (specific S/R needed with exch2 topology - for now, just print an error msg)
500    o pkg/shelfice
501     - Implement friction velocity-dependent transfer coefficients following
502       Holland and Jenkins, JPO, 1999
503       Original code by M. Losch with small modifs.
504       Enable with CPP option SHI_ALLOW_GAMMAFRICT
505       and runtime flag SHELFICEuseGammaFrict
506    o verification lab_sea & global_ocean.cs32x15:
507     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
508       does not miss some dependencies (but is slower) and also works with many files
509       (default makedepend limitation for AD built).
510     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
511    o pkg/diagnostics:
512     - add run-time parameter "useMissingValue" (def=False) to fill land-point
513        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
514       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
515     - Extend the use of "missing_value" setting from data.diagnostics for the case
516       of counter-diagnostics (where fraction-weight is zero). This applies both to
517       MNC and MDS output files.
518    o pkg/seaice/seaice_growth.F:
519      - add 'a priori' cap of latent heat flux based on actual mass considerations
520        when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
521        non-legacy seaice_solve4temp.
522      - add diagnostic of the residual sublimation freshwater flux (the freshwater
523        flux taken from the ocean if the total actual latent heat fluxes exceed
524        the maximum)
525      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
526       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
527      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
528       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
529      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
530      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
531    o verification 1D_ocean_ice_column:
532       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
533       update results
534    o pkg/diagnostics:
535     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
536       which are not filled-up but computed from other diags ; In this case, the mate
537       diag points to the primary (filled-up) diag to used for post processing.
538     - Update Velocity-potential computation using post-processed diag framework.
539     ==> Change the ordering of fields and time-periods in MDS output file
540       when using periodic averaging: now writes one time record with the full set
541       of fields for this time period, then the next time reccord (it used to be
542       one field with the full set of time records then the next field).
543         Note: this is now similar to NetCDF (MNC) output file. <==
544    
545    checkpoint62z (2011/06/21)
546    o adjoint monitor:
547     - Add adjoint monitor output for packages exf, seaice
548       and update relevant testreport output
549    o pkg/seaice:
550     - re-order diags inits so that they appear in order in available_diagnostics.log
551     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
552       area/heff/hsnow preceeding thermodynamic growth/melt.
553     - modified diag: SIdA; output actual effect, as the description states.
554     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
555     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
556       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
557        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
558     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
559     - added diagnostics for seaice generic tracers (SItr*).
560     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
561     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
562     I. Fenty: 18-Jun-2011:
563     Minor changes to seaice package:
564     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
565        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
566       - Differentiated "regularization variables" from "floor variables"
567        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
568        * hiceMin became SEAICE_hice_reg (old hiceMin)
569          (with _reg meaning regularization variable)
570       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
571        so as to ensure energy conservation when going between phases
572      - A22 was not used anywhere
573     2) Changed regularization procedure for heffActual and hsnowActual to ensure
574        well-boundedness and smooth adjoint in seaice_growth.F
575     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
576        because the old regularization always set heffActual >= 0.05 cm
577     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
578        on AREA when HEFF > 0.
579      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
580        requiring that DISABLE_AREA_FLOOR *not* be defined
581     Affected verifications:
582      - 1D_ocean_ice_column (output.txt output_adm.txt)
583      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
584    o pkg/diagnostics:
585      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
586      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
587        (was _RL, now integer) with option = 0 to retrieve all levels.
588      - add pieces of code to compute velocity potential at each level (new diagnostics
589        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
590        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
591      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
592        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
593        and in diagnostics_fract_fill.F (do not need a valid pointer for the
594        diagnostics counter-mate); check that definition of counter-diagnostic
595        includes a valid counter-mate (in diagnostics_set_levels.F).
596    o model/src (rStar):
597      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
598        affect solution only if z* with full pressure in EOS;
599        update output of test-exp global_ocean.90x40x15.
600    o pkg/seaice:
601      - introduce siEps=1e-5 parameter
602      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
603      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
604      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
605        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
606        as well as ice cover age and ridging index (attached to AREA).
607        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
608        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
609        Up to SItrMaxNum=3 tracers can be used simultaneously.
610    o pkg/salt_plume:
611      -introduce SPsalFRAC run time parameter that sets the fraction of the
612       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
613       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
614    o model debug options:
615      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
616        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
617      - Refine debug-msg printing selection (3 new levels):
618        debugMode  : controls printing of debug messages (sequence of S/R calls).
619        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
620         debLevZero =  0 ; /* level of disabled aux. msg printing */
621         debLevA =  1 ; /* level of minimum  aux. msg printing */
622         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
623         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
624         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
625         debLevE =  5 ; /* level of extensive debug printing */
626        New debugLevel default: with default debugMode value (=F),
627          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
628          and if debugMode=T, default debugLevel = 4 (debLevD).
629        Relation with previous settings:
630         debLevB (=2) corresponds to former debLevA (=1)
631         debLevD (=4) corresponds to former debLevB (=2)
632        Note:
633         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
634         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
635            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
636      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
637        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
638    o pkg/obcs:
639      - change OBCSfixTopo default from True to False (should not change the results);
640        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
641    o pkg/thsice:
642      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
643        2nd layer seaice sublimation (unlikely to happen)
644      - use Interior mask for OBCS in thsice_advection.F (similar to what is
645        done in gad_advection & seaice_advection).
646    o adjoint:
647      bug fix spotted by Gael Forget:
648      seaice_advection and thsice_advection still had
649      legacy CPP options to avoid CS corner updates for adjoint
650    o pkg/seaice:
651      => Change some of the defaults (2011/05/29):
652         - change SEAICEuseFluxForm default (from False to True)
653         - change DIFF1 default (from 0.004 m/s to 0. m/s)
654         And print warnings if DIFF1 is not set in data.seaice and centered
655          avection scheme is used without any diffusion.
656      also:
657      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
658      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
659      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
660        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
661        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
662      update results of test exp.:
663         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
664             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
665             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
666         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
667         seaice_obcs: output (SEAICEuseFluxForm=T)
668      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
669          for standard fwd & AD lab_sea tests (to keep the same output).
670    o pkg/seaice/seaice_growth.F:
671      - use Ian Fenty's capping formulas for actual ice
672      thickness thoughout EVOLUTION branch.
673      - put treatment pathological case #2) in CPP brackets
674      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
675      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
676    o pkg/seaice:
677      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
678      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
679      also pass fac as a param, which can be 1. (to update the tendency
680      field) or the time step (to update the field itself).
681      - seaice_advdiff.F: for multidim, call seaice_diffusion with
682      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
683      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
684      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
685      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
686    o pkg/seaice:
687      diffusion with centered advection scheme (diffus.F & advect.F):
688      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
689        to just compute the laplacian of input-field.
690      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
691      - fix flux-form version in diffus.F to conserve tracer.
692      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
693       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
694    
695    checkpoint62y (2011/05/26)
696    o pkg/seaice:
697     - seaice_growth.F : in EVOLUTION branch, always include
698       a_QSWbyATM_cover in qnet (as it should be).
699     - verification/global_ocean.cs32x15 : update results accordingly
700       (output.seaice.txt output_adm.seaice.txt).
701    o pkg/seaice + obcs:
702     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
703       equivalent of assuming no tracer gradient outside the OB region.
704       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
705     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
706       after changes above);
707     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
708       only at OB location (instead of over a band of OLx width).
709    o pkg/seaice:
710     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
711       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
712    o pkg/obcs:
713      - split header file "OBCS.h" into 4 separated files:
714        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
715       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
716         (contain no conditional statement which depends on OBCS options).
717      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
718        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
719    o ctrl, cost, grdchk & autodiff pkgs:
720      - make options file more standard (like other {PKG}_OPTIONS.h file but
721        with AD_CONFIG.h); clean-up some of the included header files.
722    o pkg/obcs:
723      - do not mask tracer when applying OB (tracer == 0 could generate problems)
724      - apply tracer OB values to tracer field only at OB location (instead of
725        over a band of OLx width)
726      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
727      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
728        obcs_apply_tloc.F & obcs_apply_sloc.F
729    o obcs in model/src:
730      - call OBCS_APPLY_W only if NonHydrostatic.
731      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
732      - reset dEtaHdt and wVel to zero outside OB interior region ;
733      - leave tracer unchanged outside OB interior region: This has no effect
734        on the solution but just to prevent unrealistic tracer value outside OB.
735      - zero out velocity outside OB interior region: This has no effect on
736        the solution but just to prevent unrealistic velocity outside OB.
737    o obcs and non-lin free-surf:
738       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
739       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
740       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
741       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
742       update results of test-exp. exp4(nlfs).
743    o exp4 (nlfs) test-exp:
744       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
745       with NonLin-FreeSurf); update output.nlfs.txt
746    o obcs and 2d/3d solver norm:
747       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
748       and outside OB interior region (will allow to place OB further inside the
749       domain). Depending on the domain, can affects cg2d-Norm (previous
750       cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
751       and cg3d-Norm (previous Norm was computed before canceling OB terms),
752       e.g. in tutorial_plume_on_slope.
753      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
754    o pkg rbcs:
755      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
756      - add capability to apply relaxation to horizontal velocity uVel & vVel.
757    o pkg/grdchk: add gradient check for control variable xx_shifwflx
758    o pkg/shelfice/shelfice_init_fixed.F
759      fix CPP-flag combinations
760    o pkg/seaice: Merge iceage code of Pierre Rampal
761      * update/change/correct ice age calculations
762      * add age updates for pathological cases
763      Probably needs more testing...
764    
765    checkpoint62x (2011/05/13)
766    o pkg/mom_vecinv:
767       high-order vorticity scheme: use interior masks (maskInW & S)
768       to zero-out (outside OB) gradient of vorticity.
769    o verification exp.:
770       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
771       hs94.128x64x5 and seaice_obcs ; update results.
772    o pkg/obcs:
773      fix bug in OBeta for YZ sections in obcs_exf_load.F
774    o pkg/ctrl, pkg/shelfice, and optim:
775      - add new control variable xx_shifwflx (fresh water flux underneath ice
776        shelves). This is almost as tedious as obcs-ctrl, because the
777        variables needs its own mask.
778      - add a cost function term that penalizes the deviation of xx_shifwflx
779        from the first guess (zero) in analogy to other control variables
780    o pkg/shelfice:
781      - start basic adjoint
782    o pkg/ctrl:
783      - remove extra 2D field "for good measure" when initializing in
784        ctrl_set_globfld_[xy/xz/yz].F
785      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
786      - improve error messages in ctrl_set_unpack_*
787    o OBC implementation in momentum:
788       use interior masks (maskInC,W & S) in momentum S/R:
789       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
790       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
791       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
792       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
793       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
794        (and also with Leith/Smagorinsky harmonic-viscosity).
795       Update output of experiment dome and exp4 (+nlfs).
796    o exp4 test-exp:
797      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
798        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
799        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
800        time-varying OB at Western-side for wVel (NonHyd); update output.
801      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
802        and biharmonic-viscosity ; also use prescribed time varying OB.
803    o pkg/obcs:
804      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
805    o model/src:
806      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
807      - initialise startTime & nIter0 with unlikely values: allows to set one
808        from the other without ambiguity.
809    o seaice_obcs test-exp.:
810      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
811    o pkg/obcs:
812      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
813        no longer needed with maskInC,W,S in pkg/generic_advdiff.
814    o pkg/seaice:
815      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
816        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
817      - fixed bug in the initialization of sea ice salinity variable HSALT
818        in seaice_init_varia.F  (removed dependence on ICE2WATR)
819    o fizhi-cs test exp.:
820       switch reference output convention for these 2 non-standard test-exp,
821        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
822          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
823       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
824    o model/inc:
825      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
826        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
827    o pkg/seaice:
828      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
829    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
830      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
831        and initial HSALT
832    
833    checkpoint62w (2011/04/26)
834    o pkg/mom_fluxform:
835      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
836      - use parameter "sideDragFactor" in no-slip BC side-drag part.
837      - update output of exp. global_ocean.90x40x15
838    o pkg/mom_vecinv:
839      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
840    o update seaice exp.:
841      use more consistent parameter values (remove "backward compatability only":
842       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
843      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
844       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
845    o update test-exp global_ocean.90x40x15:
846      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
847      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
848      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
849      o turn on zStar & viscA4 in standard set-up (dir input/)
850        and update output files: output.txt & output.dwnslp.txt
851    o new AD-test experiment: obcs_ctrl
852      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
853    o pkg/dic:
854      fix two bugs in handling water vapour pressure in carbonate chemistry
855      and air-sea fluxes. Found by Val Bennington and Galen McKinley
856      (add DIC Option = WATERVAP_BUG to recover old results)
857      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
858    o adding allowInteriorFreezing option to check for water below freezing point
859      at depth and bring the negative heat anomaly to the surface level
860    o pkgs _fields_load:
861      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
862      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
863        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
864        rbcs to get interpolation weights and time reccord number.
865      - fix multi-threading in aim_fields_load.F
866      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
867    o external_fields_load:
868      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
869       interpolation weights) to use in a periodic time-series ; do not divide by
870       time-step to convert to integer:
871       - this fixes case where externForcingPeriod is not multiple of time-step
872          (Thanks to Christopher L. Wolfe)
873       - this fixes case where externForcingPeriod is an odd multiple of time-step
874         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
875      store index of time-record which is currently loaded:
876       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
877       - needed for the adjoint but not yet used because of extensive recomputations;
878         (to be fixed soon)
879    
880    checkpoint62v (2011/04/02)
881    o verification/1D_ocean_ice_column added to test Ian Fenty's
882      pkg/seaice_growth.F modifications for improving sea ice code differentiability
883    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
884      (new velocity statistics after changing maskInW & maskInS definition)
885    o pkg/generic_advdiff with OBCS:
886      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
887      equivalent to assumption of no tracer gradient outside the OB region.
888      This will affect the results if using obcs+biharmonic diffusion.
889      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
890    o pkg/obcs:
891      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
892      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
893      in Interior region. No impact on solution but affects Velocity monitor stats.
894    o pkg/ptracers (adjoint)
895      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
896      tape file for each tracer
897    o model/inc/src and pkg/autodiff: add parameters that allow to turn
898      of parts of the adjoint code at run time. For now, there are only
899      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
900      parameters are set in data.pkg.
901      This is the lazy coward's version of doing this, but still useful for
902      debugging. In order to do it right, everything needs to be moved to
903      pkg/autodiff.
904    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
905      the end; this fixes the adjoint balancing code for open boundaries.
906    o pkg/ctrl:
907      - change behavior of xx_${varname}period to be analogous to exf-conventions:
908        xx_${varname}period =   0.,  means time-independent control part
909        xx_${varname}period = -12., means one-year-periodic monthly control part
910      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
911        clean up ctrl_init a little, remove unused variables
912      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
913      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
914    
915    checkpoint62u (2011/03/15)
916    o model/src:
917      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
918        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
919      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
920        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
921    o pkg/ctrl/obcs/ecco:
922      - remove obsolete, unused, and partially broken code:
923        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
924        ALLOW_CTRL_OBCS_BALANCE
925      - put a stop statement into ecco/cost_obcsvol.F, but also add
926        cost_obcsvol to ecco_ad_diff.list
927    o pkg/ecco: fix counting cost function contributions for obcs (code
928      by Matt M.) and diffkr for diagnostics
929    o pkg/ecco, pkg/ctrl, pkg/grdchk:
930      add cost penalty terms for initial uvel, vvel, eta controls
931      and I/O for prior error files
932    o pkg/mdsio:
933       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
934       (new argument) to check for tiled file in mdsioLocalDir : this fix the
935       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
936    o pkg/ctrl:
937     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
938       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
939       unused and superfluous variables
940     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
941    o pkg/ecco
942     - enable adjoint of Stevens OB
943    o pkg/ctrl/ecco/grdchk:
944      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
945        Fortunately, we do not have any tests for the numerous cpp-flagged
946        option of "obcs as control parameters" so we will never know
947        if this is an improvement (but at least now things compile).
948      - remove an obsolete initialization from ecco_cost_init_barfiles.F
949      - fix some problems within never used ifdefs to make the code compile
950    o pkg/obcs:
951     - Refine Interior mask definition to work with more complex OB (e.g.
952       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
953       read in Interior mask from file. Check if Interior mask is consistent
954       with OB list of indices.
955    o pkg/seaice
956     - beginning code for a seaice tracer package,
957       but currently only used for seaice age: SEAICE_AGE
958       SEAICE_num = 4
959       iTracer = 1: area-weighted ice age
960               = 2: volume-weighted ice age
961               = 3, 4: template for one-year vs. multi-year ice
962       data.seaice has new namelist SEAICE_PARM03 for arrays related to
963       SEAICE_num
964    
965    checkpoint62t (2011/03/05)
966    o pkg/obcs:
967     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
968       then normal component. This ensures that the normal component is set
969       correctly even when it conficts with tangential setting from an other OB.
970       Affects results of test-experiment seaice_obcs: update the output.txt
971    o pkg/obcs:
972     - add code to monitor statistics of dynamical fields at OB.
973     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
974       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
975       - change default: balance the Net inflow through all OB (instead of balancing
976         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
977     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
978       to match Nortern OB inflow (OBCS_balanceFacN=0).
979    o pkg/seaice:
980     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
981    o pkg/seaice (seaice_growth v 1.113):
982     - reverting seaice_growth to v 1.111 in order to have code with exact bit
983       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
984       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
985       runtime flag SEAICEareaFormula is kept but is inactive
986    o model/src:
987     - add new param to scale curvilinear grid distance and area when using
988       a different sphere radius from the grid-files.
989     - test/check multi-threads EXCH applied to local variable (cg2d_x)
990    o adjoint:
991     - enable adjoint of Stevens OB
992     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
993       (a bit delicate because of potentially modified adj. common block structure;
994       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
995    
996    checkpoint62s (2011/02/15)
997    o pkg/seaice (seaice_growth v 1.112):
998     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
999       computing the ice cover tendency from effective thickness tendencies. Include
1000       Ian Fenty's formula.
1001     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
1002       SEAICEareaFormula.
1003     - simplify notations for the various d_HEFF/d_AREA terms.
1004    o pkg/gmredi:
1005     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
1006       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
1007       add a verification test-run (front_relax.bvp) to test GM_useBVP.
1008    o pkg/seaice (seaice_growth v 1.111):
1009     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
1010     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
1011       also melt ice.
1012    o pkg/seaice:
1013     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
1014     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
1015    o pkg/cheapaml:
1016     - from Nico Wienders: New version of this package.
1017    o pkg/flt:
1018     - add CPP options to prevent floats to re-enter the opposite side of
1019       a periodic domain (default: keep periodicity)
1020  o pkg/gmredi:  o pkg/gmredi:
1021   - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners   - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
1022     (needed for multi-dim advection).     (needed for multi-dim advection).
1023     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
1024  o model/src:  o model/src:
1025   - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.   - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
1026    o tutorial_tracer_adjsens
1027     - extend to NLFS and replace maskC by hFacC
1028       (change reference output accordingly)
1029    
1030  checkpoint62r (2011/01/24)  checkpoint62r (2011/01/24)
1031  o testreport:  o testreport:

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