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revision 1.733 by jmc, Tue Oct 17 19:08:57 2006 UTC revision 1.1179 by heimbach, Fri Oct 16 19:30:56 2009 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o adjoint: adding two new verification experiments
8      * tutorial_global_biogeo: an online dic sensitivity experiment
9        (work with G. Forget)
10      * tutorial_dic_adjoffline: an offline dic sensitivity experiment
11        (an update of the Dutkiewicz et al., 2006 paper)
12      Both use the same CO2FLUX cost function, but different controls
13      Gradient checks look good, but some recomp. could still be traightened out
14      Should add xx_dic control variable to test at some point
15    o model/src:
16      add run-time parameters to check and/or mask initial Temp & Salt
17    o pkg/ptracers:
18      apply zonal filter (if used) to all passive tracers
19    
20    checkpoint61w
21    o adjoint:
22      * update and finish work on adjoint of dic package (G. Forget)
23      * start adjoint of offline package
24      * bug fix for cube-sphere TLM code (active_file_g.F)
25    o tutorial_global_oce_optim:
26      now tested with 4 tiles (change data.grdchk and update output_adm.txt)
27      and add SIZE.h_mpi for MPI testing
28    o pkg autodiff
29     - fix bug in autodiff_restore
30     - make genmake2 remove comments and empty lines from ad_input_code.f in
31       order to reduce file size (new script file remove_comments_sed)
32    o allows to specify vertical profile of vertical viscosity (viscArNr)
33    o pkg autodiff
34      autodiff_ini_model_io: comment out writing of grid information to netcdf
35      files, because at this time the grid fields are a bunch of zeros
36      (this is analogous to ini_mnc_vars.F)
37    o pkg seaice/autodiff:
38     left-over from removing the 3-time-level fields:
39     - small rearrangement of common blocks (SEAICE.h)
40     - fix field declaration in order to get meaningful output in
41       adseaice.*.nc (adcommon.h)
42    o pkg obcs:
43     - go through NH code only if nonHydrostatic=T
44     - fix restart for Orlanski (Hydrostatic; still to fix NH+Orlanski restart)
45     - move call to OBCS_CALC before SEAICE_MODEL which needs seaice-obc fields
46       => Update output of experiment seaice_obcs
47     - useOBCSbalance: code is wrong with multi-tile / proc: add a stop.
48     - fix NH+Orlanski restart (add wvel OBC value in pickup file)
49     - fix restart for useOBCSprescribe + useEXF
50    o pkg ctrl
51     - make obcs as control parameter work also with useSingleCPUio
52     - replace a few sny and snx by Ny and Nx to be consistent with
53       ctrl_set_globfld_x/yz.F
54    o pkg seaice
55     - re-introduce global field frWtrAtm for the case of
56       ALLOW_MEAN_SFLUX_COST_CONTRIBUTION defined (SEAICE.h, seaice_growth.F)
57     - catch the case of an empty filename in seaice_cost_init_fixed.F
58    o pkg ecco:
59     - small bug fixes in the_main_loop
60      . fix order of monitor arguments
61      . change SEAICE_MULTILEVEL to SEAICE_MULTICATEGORY
62      . move include DYNVARS.h up outside the ALLOW_AUTODIFF_TAMC block so
63        that ALLOW_ECCO_FORWARD_RUN works with NONLIN_FRSURF
64     - replace cos(yc*deg2rad) by _rA in cost_mean_heat/saltflux.F, fix the
65       imbalance diagnostics for wmean_h/sflux = 0
66     - add actual values to f_obcsn/s/w/e in ecco_cost_final.F
67     - catch the case of empty filenames in ecco_cost_init_fixed.F
68       and ecco_readparms.F
69     - fix the logic of wsalt=0.and.wsalt2=0 to wsalt=0.or.wsalt2=0 (and theta)
70       to make this statement meaningfull in ecco_cost_weights.F
71    o pkg zonal_filt:
72      - change ZONAL_FILTER S/R interface (allows to filter 2-D fields)
73      - when using rStar, filter uVel*hFacW instead of uVel
74       (tested without topography: fix a Pb of growing instability with NLFS)
75    o pkg/aim/thsice:
76     -Add capacity to read a Q-Flux to be applied in slab-mixed layer thsice_slab_ocean.F
77      (works as SST restoring)
78    o pkg/thsice:
79     -add specific parameter for salt restoring in slab mixed-layer
80       (by default equal to the temperature restoring)
81    
82    checkpoint61v
83    o pkg/kpp:
84     -add double diffusive contributions as a hack, turned off by default
85      for now, and the code can be excluded with a CPP-flag
86      EXCLUDE_KPP_DOUBLEDIFF just as EXCLUDE_KPP_SHEAR_MIX
87     -add a verification experiments to "vermix" to test this code
88    o pkg/mom_common:
89      Move computation of length scales to mom_init_fixed.F (avoid recomputation
90      at each time-steps*levels).
91    o pkg/layers:
92      Created a new package for computing volume fluxes in temperature or
93      [not yet implemented] density layers, e.g. for calculating residual
94      overturning circulations.
95    o pkg/diagnostics:
96      implement a RS type version for the set of DIAGNOSTICS-FILL subroutines
97    o fix few RS/RL type mismatch (check with ifort 11.1 "-warn all" option)
98    o pkg/mdsio (& pkg/rw): rework high level S/R interface:
99      To avoid mixing type (RS/RL) of input/output array argument,
100      replace single mixed-type array with a pair from each type (RS/RL).
101    o setting pickupSuff force to start from a pickup (even if nIter0=0): this
102      is now implemented for all pkgs (previously only done for the main pickup)
103    
104    checkpoint61u
105    o pkg/obcs:
106      - change OB?eta from _RS to _RL and put them into a separate commen block
107      - add code to read OB?eta from a file via obcs_prescribe_read: the code
108        compiles and does not destroy any other experiments, the data is read
109        properly, but the code is not tested in actual applications
110    o ini_mnc_vars.F: if available (ALLOW_CAL), use startTime_1 and 2 to
111      create a meaningful unit attribute for the time coordinate variable
112    o pkg/ebm: add plenty of missing "_d 0" ;
113       update results of experiment global_ocean_ebm (fwd + adjoint tests)
114      Notes: several pieces of code only works for (very) specific set up
115       (domain size, lat range, etc ...); should be documented & stop if one
116       of those assumptions is not meet.
117    o pkg/seaice: add missing "_d 0" in HSNOW initialisation
118       update results of experiments: lab_sea (3 fwd tests + 2 adjoint tests)
119          and offline_exf_seaice (seaicetd + adjoint).
120    o add missing "_d 0" in ShortWave flux penetration (S/R SWFRAC):
121       update results of experiments: lab_sea (4 fwd tests + 3 adjoint),
122        seaice_obcs, global_ocean.cs32x15 (icedyn & thsice) and natl_box (x2).
123    o few changes to pass when compiling with strick checking of arguments
124       across S/R (allow to find few bugs in S/R calls).
125    o pkg/seaice:
126     - seaice_evp: move if-statement out of loop (TEM) at the cost of 11 new
127       2d-fields, for slightly better performance
128    
129    checkpoint61t
130    o pkg/seaice:
131     - remove unused variables in seaice_evp
132     - reduce number of SQRT in seaice_evp and seaice_calc_viscosities
133    o eeset_parms.F, open_copy_data_file.F & ini_parms.F:
134       named file replacing SCRATCH files (for TARGET_BGL & TARGET_CRAYXT):
135       each processor opens a different file (a fix from Matt).
136    o cg2d:
137       use simple EXCH (overlap size = 1 and ignore corners), like in cg3d.F :
138       this reduces number of EXCH calls by 2 when using exch2.
139       For now, keep previous size array for gc2d_nsa.F to avoid Pb with store
140       directives and missing simple EXCH (exch_s3d_rx) adjoint code.
141    o pkg/thsice:
142       add code for Near Infra-Red albedo (from Jeff)
143       (turned on with run-time flag: thSIce_calc_albNIR, in data.ice).
144    o ini_model_io:
145       move (from packages_readparms.F & initialise_fixed.F) to ini_model_io.F
146       MNC & MONITOR initialisation calls; move MNC calls from {pkg}_readparms.F
147       to {pkg}_init_fixed.F for {pkg}= kpp, seaice & shelfice.
148    
149    checkpoint61s
150    o pkg/exch2 (exch2_rxN_cube*):
151       remove last BARRIER (no need to synchronise after getting data from shared
152       buffer (get) as long as any change to buffer (put,recv) is between BARRIER)
153    o change tiling of natl_box (from 2 to 4 tiles) to get it tested with MPI+MTH
154      and generate new output (for the 2 tests) using default rotationPeriod.
155    o pkg/exch2:
156      - always call exch2_*_cube, not exch-1 anymore, if useCubedSphereExchange=F
157        (was already the case with AUTODIFF_EXCH2 defined)
158      - add bj in exch2 arrays and S/R.
159      - can now use pkg/exch2 for regular (non CS) set-up; switch test experiment
160        MLAdjust to exch2 (identical results except with MPI -> truncation diff);
161    o add pkg/longstep for ptracer timestep a multiple of U/V/T/S timestep
162      - adds deltaT argument to the subroutines TIMESTEP_TRACER DWNSLP_APPLY
163        GAD_ADVECTION GAD_CALC_RHS GAD_IMPLICIT_R GAD_SOM_ADVECT
164      - verification experiment natl_box.longstep
165    o build_options: ifort+mpi_aces optfile (following Constantinos advise):
166      allow different versions of ifort (8 or 9) and different versions
167       of mpi (mpich or mpich2) to be used with the same optfile.
168      requires to load a netcdf module and set MPI_INC_DIR (see comments inside
169       optfile). Change testing scripts (example_scripts/ACESgrid) accordingly.
170    o pkg/seaice:
171      fix previous modif (3-level field removed) for old-pickup reading
172    
173    checkpoint61r
174    o pkg/seaice:
175     - clean up the 3-time levels of UICE,VICE,HEFF,AREA in three steps:
176      1. introduce fields for time step (N-1)
177      2. do not use levels 2 and 3 anymore (but keep them)
178      3. replace 3D versions of UICE,VICE,HEFF,AREA by 2D versions. This
179         includes changes to pkg/thsice/thsice_get_velocity.F,
180         model/src/external_forcing_surf.F, pkg/obcs/obcs_apply_seaice.F, and
181         pkg/obcs/obcs_apply_uvice.F.
182     - completely remove code for leap-frog time stepping for second order
183       advection
184     - adjusted adjoint accordingly;
185       gradient checks have improved by an order of magnitude!
186    
187    checkpoint61q
188    o pkg/seaice: fix bug in free slip boundary conditons for LSOR solver
189     - the boundary conditions along open boundaries are unclear, because the
190       associated masks are set to zero and are thus treated as closed when
191       applying the slip-boundary conditions.
192     - move initialisation of grid variables from seaice_init_varia to _fixed
193    o adding doc/diags_changes.txt
194    o model/src:
195      do_the_model_io: rename few pkg S/R which are called from do_the_model_io,
196       to avoid "_diags" naming if no relation to pkg/diagnostics.
197      ini_theta,ini_salt: fix (at least compile the code) reading from NetCDF
198       file and only call PLOT_FIELD_XYZ if debugMode=T.
199      remove few PLOT_FIELD_XY calls outside initialisation.
200      remove few unnecessary BARRIER.
201    o pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
202      of salt_plume package in Southern Ocean
203    o pkg/thsice:
204     - fix hOceMxL in overlap (needed for sea-ice advection);
205       update output of experiment global_ocean.cs32x15.icedyn.
206    o pkg/seaice:
207     - make the (placeholder-)tracer IceAge a little more meaningful
208      by avoiding ridging of age due to convergent ice flow
209     - add diagnostics for surface temperature, atmospheric and oceanic
210       heat flux, and atmospheric and oceanic ice growth
211    
212    checkpoint61p
213    o eesupp (global_max & global_sum):
214     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
215     - remove starting & endding barrier (no longer needed)
216    o pkg/mdsio, writelocal:
217       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
218       (remove the STOP): uses shared buffer IO to store data from all threads
219       and then let master-thread write nThreads tiles.
220    o pkg/mdsio (read/write field):
221     - tiled IO done in 1 piece (all levels at a time);
222     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
223     - multi-threaded: allow to read/write local (non-shared) array
224       (was already working with singleCpuIO ; now works also without);
225       => no longer needs barrier call after reading a file (added inside
226       mds_read/write field).
227     - move barrier calls outside gather/scatter_2d to mds_read/write_field
228    o pkg/obcs/exf
229      - exf_getffieldrec.F: add a few ". _d 0" and
230                            add code to catch the case fldperiod = 0.  
231      - obcs_precribe_read.F: change if statements so that they match
232                              the variable type (_RL)
233      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
234        exf_iprec) as part of namelist EXF_NML_01
235    o pkg/mdsio:
236      - read/write tiled (local) files: read/write 1-level tile chunk at a time
237        (instead of segment of length sNx); expected to speed up tiled IO.
238    o pkg/exch2:
239      - take buffer copy from/to array out of S/R exch2_send/recv into new
240        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
241        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
242      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
243      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
244        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
245        including Topology header file (and common blocks).
246      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
247        remove 2nd exch call in exch2_s3d_rx (no longer needed).
248      - document S/R arg. list (+ update some comments)
249    o pkg/seaice:
250      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
251        temperature and humidity over sea ice based on climatological values.
252      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
253        of LSR (this change is expected to change the results slightly because now
254        it uses slightly difference moduli from the second last LSR solution, but
255        that is more consistent with the stress computations; this part of the code
256        is not tested in the verification experiments)
257      - fix diagnostics for flux of ice in case of B-grid
258      - turn strain rates eij and press into global fields within global
259        common block in SEAICE.h for more straighforward diagnostics
260      - fix diagnostics for principal stress components, press, zeta, eta
261        to give something meaning full
262    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
263      new output (all 4 tests) using default rotationPeriod.
264    o pkg KPP:
265      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
266      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
267        and normal grid from 1 to Nr)
268    o Fix computations of L4rdt in mom_calc_visc.F
269    o eesupp:
270      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
271      should be called before a "stop" if we know that all process are going
272      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
273    
274    checkpoint61o
275    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
276    o model/src/ini_curvilinear_grid.F:
277       compute angleSin/CosC when they are not read from a file
278    o pkg/seaice:
279       add pseudo time stepping for LSOR
280    o pkg/exch2:
281       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
282    o pkg/seaice:
283       Adding separate sea ice albedo, drag coefficients, and HO in Southern
284       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
285    o SingleCpuIO:
286       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
287    o pkg/seaice:
288       put exchanged variable in (local) common block for MPI+Multi-Threads
289       to work (necessary with exch1, and for now with exch2 too).
290    o verification: to get more experiments tested with mpi, mth and mpi+mth,
291      change tiling of:
292       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
293       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
294      update output of exp:
295       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
296       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
297      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
298                       (note: output.txt generated on faulks using only 1 tile)
299    o eesupp & mdsio (SingleCpuIO):
300     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
301       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
302       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
303     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
304     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
305       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
306    o pkg/exch2:
307     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
308       read parameter file "data.exch2" if it exists; otherwise try default regular
309       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
310     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
311       with new code (not to be used, just as a backup solution).
312     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
313       in utils/exch2/input.
314    
315    checkpoint61n
316    o eesupp & mdsio (SingleCpuIO):
317      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
318        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
319        receive real*4 array (instead of real*8) to read/write 32.bit files.
320        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
321         and remove new mapping S/R)
322    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
323      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
324        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
325        when using exch2. Add S/R to map global io-buffer to global model array.
326      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
327    
328    checkpoint61m
329    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
330      and add 3 other S/R for other types (R4,R8,RS).
331      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
332    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
333     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
334     - reduce number of macro definitions (keep only those which are used);
335       can always call directly the corrresponding S/R if needed.
336     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
337       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
338     Fixed wrong type of arg in:
339       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
340       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
341     To fix: global_sum of var in common block is wrong (multi-threaded) in:
342       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
343     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
344    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
345      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
346    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
347    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
348      edges are closed (zero depth); might happen with "blank tiles";
349      for now, disabled if using OBCS.
350    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
351      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
352    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
353      to reduce length of 1.D array print in STDOUT.
354    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
355      + use 48 tiles (16x8): this will allow to test "blank tiles".
356    o start to test MPI + multi-threaded (change testreport to skip tests
357      where number of tiles do not match).
358    o genmake2: add option "-omp" to turn on Open-MP ;
359      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
360    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
361      and keep the original tile numbering. Note: compatible with old
362      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
363    
364    checkpoint61l
365    o Overlaps had been forgotten in calculating ijk keys : fixed
366    o fix cyrus makedepend for gcc 4.4
367    o experiment fizhi-cs-aqualev20:
368      switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
369      and generate new output. Note: new output is much closer to the old
370      one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
371      the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
372    o pkg/fizhi:
373     - change to avoid indices going deliberately over array-bounds
374     - remove unnecessary MPI stuff
375     - perpetual spring equinox with "#define FIZHI_USE_FIXED_DAY"
376     - new version of S/R GETPWHERE available with #define TRY_NEW_GETPWHERE:
377       does not go over array-bounds and therefore returns reliable output.
378     - in fizhi_driver.F & fizhi_turb.F, fix "get_alarm" calls:
379       this S/R has 4 output arguments, which are used inside "get_alarm";
380       when it is called with the same variable "ndum" in place of several
381       output arguments, this produces weird side effect inside "get_alarm"
382      (e.g., datein=dates(n) is overwritten by timein=times(n) since both
383       datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
384       address) and produces error.
385    o tools/gemake2: (March 27-29 2009)
386      with option "-mpi": link *_mpi files from "MODS" dir (this is what
387      testreport does).
388    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
389    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
390       update lab_sea.lsr & lab_sea.salt_plume results
391    o pkg/seaice:
392      Major overhaul of the LSOR solver: change discretization from original
393      finite differences to finite volume. The old routine is still in the
394      file seaice_lsr.F and can be turned on with the CPP-flag
395      SEAICE_OLD_AND_BAD_DISCRETIZATION
396      Along with this change, the discretization of the strain rates is changed.
397      The same flag turns on the old discretization in seaice_calc_strainrates.F
398      All verification experiments with seaice are affected (except for
399      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
400      results by setting the above flag.
401      Further changes involve changes in defaults:
402      - ALLOW_FLOODING is defined and turned on by default
403      - SEAICEadvSnow = .true. is now the default
404      - SEAICEadvSalt = .true. is now the default
405      - SEAICEadvAge  = .true. is now the default
406      - SEAICE_clipVelocities  = .false. is now the default
407                                         (as per J. Zhang's recommendation)
408      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
409        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
410      - seaice_growth: replace computation of UG by a simple copy from wspeed
411    
412    checkpoint61k
413    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
414      seaice_lsr: fixed a few metric terms,
415                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
416                  add more debugging diagnostics
417      seaice_evp: removed superfluous many metric terms of FV discretization
418                  of stress divergence
419                  affects lab_sea, lab_sea.hb87
420      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
421                  of stress divergence for non-evp solver
422                  (this part is not tested anywhere)
423      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
424                  they were effectively only half slip
425                  affects lab_sea.hb87
426      updated all relevant verification experiments (except lab_sea//output_adm.txt
427        which was left over, but fails at level 7 & 6)
428    
429    checkpoint61j
430    o pkg/seaice: turn a few hard wired parameters into run time parameters
431    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
432      time in seconds as promised by the usints in seaice_monitor and exf_monitor
433    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
434      that are not cubed-sphere grids
435    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
436    o pkg/ctrl:
437      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
438    o non-hydrostatic (calc_gw.F):
439      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
440      update output of exp. global_ocean.cs32x15.viscA4
441    o remove backward compatibility for thetaMin,phiMin
442      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
443    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
444      interpolated wind field not only for curvilineargrid=.true., but also
445      for a rotated grid (rotateGrid=.true.)
446    o pkg/exf: add capability to bypass interpolation for runoff
447      by setting yet another CPP-flag
448    o eesupp/src, B-grid exchange:
449      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
450    o autodiff
451      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
452      allows to switch to single-prec common blocks;
453      corresponding switch occurs in tamc.h, integer isbyte
454      TAF store directivs "byte" and "kind" seem equivalent;
455      Most tamc.h have been updated correspondingly.
456    
457    checkpoint61i
458    o autodiff:
459      fix autodiff_sore/_restore indices for obcs
460      (spotted by I. Hoteit, M. Mazloff)
461    o pkg/autodiff, pkg/ctrl:
462      Add flag to reduce all tapelev I/O to single-prec.
463      In data.ctrl set
464        doSinglePrecTapelev = .TRUE.
465    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
466      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
467    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
468      real fresh water flux (not yet)
469    o pkg/mdsio & rw:
470     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
471     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
472    o pkg/flt:
473     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
474       init_fixed & ini_varia.
475     - clean-up & simplify linear interpolation S/R:
476       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
477     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
478     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
479     - add vert. coordinate & horiz. indices to output files.
480     - change vertical position in initial condition, from index to depth [m].
481     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
482       (easier to get to a curvilinear grid) ; delX,delY no longer used.
483    o pkg/ggl90: a few modifications:
484     - fix bottom boundary condition, and interpolation of KappaE
485       near top and bottom
486     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
487     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
488     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
489    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
490      (maintain temporary backward compatibility, until next checkpoint)
491    
492    checkpoint61h
493    o pkg/diagnostics with "periodic averaging diagnostics":
494      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
495    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
496    o pkg/obcs: fix loop ranges for balancing code
497    o pkg/flt:
498     - improve criteria for finding which tile owns a float.
499     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
500    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
501      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
502      with ocean biogeo)
503    o pkg/flt:
504     - do some cleaning and fix the restart ;
505     - add output.txt in flt_example/results to get this pkg tested.
506    o genmake2: add an EXTENDED_SRC option and flag.
507       for now, cannot be turned on on command line (only through genmake_local)
508    o pkg/mdsio: read/write vector:
509     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
510     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
511       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
512     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
513      (drop to 4 digits matching for grad). But this test does not look very
514      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
515    
516    checkpoint61g
517    o pkg/flt:
518      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
519       + make OPTIONS file more standard.
520      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
521      - fix _BYTESWAPIO CPP-Flag
522      - standard reading of file-parameter "data.flt"
523      - fix argument list of S/R FLT_RESTART
524      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
525    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
526    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
527      a still unfixed compiler/optimization bug
528    
529    checkpoint61f
530    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
531      update results of global_ocean.cs32x15.icedyn test.
532    o move getcon.F from model/src to pkg/fizhi.
533    o pkg/exf: add parameter for extrapolation of temp up to the surface
534       and option to prevent negative evap (in bulk_largeyeager04 only).
535    o Prather Advection scheme: fix tracer conservation for divergent flow
536      (e.g., when using NonLin Free-Surface).
537    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
538    o gmredi (Visbeck-variable-K):
539     - add more parameters to Visbeck-variable-K.
540     - use a 5 points average for dSigmaR in Visbeck-K calculation
541       (more "homogenous": same stencil and same weights as in dSigmaH)
542     - update output of ideal_2D_oce experiment.
543    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
544      (#undef REAL4_IS_SLOW)
545     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
546       coordinate variable
547     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
548       (surface forcing fields), removes some of the functionality
549     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
550     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
551       probably not all: copy _RS surface flux fields to RL field before
552       calling DIAGNOSTICS_FILL
553     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
554       real*4 (CALL EXCH_*_RS) versions.
555     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
556       (generate new output).
557    
558    checkpoint61e
559    o gmredi (Visbeck-variable-K):
560      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
561      - change computation of Visbeck-K where Slope > Smax :        
562        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
563        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
564    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
565      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
566    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
567    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
568      does not become too large (to avoid precision problems in implicit-diffusion
569      solver); update ideal_2D_oce output.
570    o pkg ggl90:
571      - in ggl90_cal.F: compute only one set of visc/diff, used to
572        step forward TKE/T/S/momentum
573      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
574        have Prandlt =1)
575    o gmredi (fm07):
576      - add lower limit on Transition layer thickness + lower limit on 1/lambda
577      - allow to set few more params from data.gmredi
578    o pkg ggl90:
579          - add missing sqrt(2) factor in computation of mixing length
580            scale in ggl90_calc.F
581            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
582    
583    checkpoint61d
584    o adjoint modifs
585      - adapt to new field rhoInSitu
586      - allow to revert from StoreDynVars2D, StoreDynVars3D
587        to individual fields
588        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
589    o store 3-D (in-situ) density in commom block (DYNVARS.h)
590     - save 1 rho computation.
591     - no longer modify T & S inland when using down_slope pkg.
592    o gad_som : allow to switch to SOM advection for T & S without corresponding
593      pickup files (using new S/R: MDS_CHECK4FILE).
594    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
595      (for useSingleCpuIO to work in multi-threaded)
596    o pkg/shelfice:
597     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
598       with SHELFICEtopoFile in data.shelfice
599     - move code for reading ice shelf topography and modifying hFacC into separate
600       subroutines of the shelfice package
601     - separate initialisation of "fixed" and "variable" variables
602     - kTopC is not (yet) replaced by kSurfC, although this is possible
603    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
604    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
605      and rename:
606      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
607      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
608    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
609    
610    checkpoint61c
611    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
612      to add mass source/sink of fluid in the interior (3-D generalisation
613      of oceanic real-fresh water flux).
614    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
615    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
616    o new pkg: down_slope
617      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
618      - presently, modify T & S inland (dwnslp_calc_rho.F).
619        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
620      - implementation for ocean in P-coords not tested.
621      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
622    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
623      (to facilitate conversion of oceanic pkg to p-coordinate).
624    o change FIND_RHO to FIND_RHO_2D :
625      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
626    o new pkg: cheapaml
627    
628    checkpoint61b
629    o exch2:
630      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
631      - no longer depend on the order sequence (N,S,E,W).
632      - 3rd exchange no longer needed (tested with 24 tiles).
633      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
634      - exch_UV_A-grid readily available (but not yet tested).
635      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
636      (both are no longer needed) in exch_uv: no effect in forward run; but
637       get truncation error differences with adjoint exch.
638    o exch2:
639     - change index-bounds storage (moved from target to local tile,
640       more intuitive this way) ; rename/remove some variables.
641     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
642    
643    checkpoint61a
644    o exch2/matlab-topology-generator:
645      fix bug in index bounds for N-S internal exchange (hard to tell if this
646      had any effect on the solution).
647    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
648      is exceeded
649    o testreport: modify syntax of awk, so that it works also with
650      awk, and not only with nawk and gawk
651    
652    checkpoint61
653    o autodiff
654      Change default for TAF usage by removing argument '-nonew_arg'
655      This changes TAF subroutine argument list (ordering of active var.)
656      Omission of this flag leads to incompatibility w.r.t. TAMC
657      To restore TAMC-compatibility, need following modifs:
658      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
659      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
660      Tested TAF version is 1.9.22
661      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
662    
663    checkpoint60
664    --->>> This is the last checkpoint for which generating the adjoint
665    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
666    --->>> by default.
667    --->>> Future checkpoints will ommit this flag by default.
668    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
669    o pkg/grdchk: Add gradient check to etan0 perturbations.
670    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
671    o pkg/autodiff: more flexibility in zeroadj.
672      model/src: modifying do_oceanic_phys.F accordingly.
673    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
674    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
675      special setup of gmredi for which the adjoint is stable
676      enough for parameter optimization.
677    o bridging the gap between eddy stress and GM.
678      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
679          along with a change in CPP option (now ALLOW_EDDYPSI).
680      -> when using GM w/ GM_AdvForm:
681          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
682          is applied either in the tracer Eq. or in momentum Eq.
683          depending on data.gmredi (intro. GM_InMomAsStress).
684      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
685      The key modifications are in model/src/taueddy_external_forcing.F
686      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
687    
688    checkpoint59r
689    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
690      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
691      fix option to read coriolis(@ cell-corner) from files with CS-grid.
692    o pkg/mnc: add some attributes to standard 1D-coordinate variables
693    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
694      mass points, when using mnc for output
695      - add runtime parameter (missing_value, missing_value_int) to override
696        default (which is the value of getcon('UNDEF'))
697    o pkg/mnc: prepare mnc for the actual use of missing values with the
698      diagnostics package: small fix in mnc_cw_readwrite.template and more
699      initialisation of never used fields
700      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
701      versions
702    o pkg/thsice/thsice_ini_vars.F added default initial values so that
703      thermodynamics sea ice solver does not blow up when some initial fields
704      are missing.
705    o move from external_forcing_surf.F to ini_forcing.F
706      the p-coord. hack consisting in using pLoad to set phi0surf ;
707      update output of tutorial_global_oce_in_p (affected @ truncation level).
708    o Freshen up a bit hs94.1x64x5, notably:
709      remove rotationPeriod and tRef=5*0. (adjoint only), and add
710      exactConserv=.TRUE.
711    o pkg/generic_advdiff:
712      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
713      applies to files where Temperature & Salinity 2nd Order moments are used.
714    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
715      this uses a dynamically allocated internal state data structure
716      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
717      and requires a fortran 90 compiler
718    
719    checkpoint59q
720    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
721       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
722    o Refresh tutorial_global_oce_biogeo, notably:
723      - change bathymetry (put back seamounts in ACC, use hFacs)
724      - change EOS (POLY3 --> JMD95Z)
725      - use Bryan-Lewis vertical diffusivity
726      - use multidimensional advection
727      - remove old virtual virtual in dic pkg, now done through ptracer pkg
728      - change a couple of parameters in dic pkg
729    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
730    o pkg/obcs: change default to OBCSfixTopo = .true.,
731      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
732      - replace "debugMode" with "debugLevel .GE. debLevB"
733    o implementation of TAF directives for gchem,cfc,dic
734    o remove "exp5" (replaced by tutorial_deep_convection).
735    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
736      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
737      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
738      --> changes results in exp4, seaice_obcs
739    o tutorial_deep_convection :
740      update the set-up and increase resolution and domain size ; start
741      from pseudo initial conditions = output at t=120mn in order to see
742      something happening when running testreport.
743    o pkg/seaice: add os7mp as an advection scheme
744                  add check for advection schemes
745                  add a flag for restoring T and S underneath sea ice
746    o pkg/my82: add netcdf-support and diagnostics
747    o thsice pkg:
748      - Now hsMax limits snow height by turning it into ice following
749        flooding scheme (and now conserving energy)
750      - Slight rewriting of the formula in thsice_calc_thick.F
751      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
752      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
753    
754    checkpoint59p
755    o gchem / dic / cfc :
756      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
757      - add new parameter files: "data.dic" & "data.cfc" ;
758      - various re-arrangement in initialisation & header file ;
759      - fix tutorial_global_oce_biogeo for multi-threaded test.
760    o pkg/dic: test for "pickup_dic" file when restarting ;
761      if no pickup-file, can restart with a re-initialised pH (same as it did
762      before) providing pickupStrictlyMatch is set to False.
763    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
764      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
765    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
766      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
767    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
768     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
769       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
770    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
771       scheme to use for vorticty-term ;
772     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
773       (with default selectVortScheme, return to original discretisation)
774     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
775    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
776    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
777      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
778      also fix diagnostics VISCAHW & VISCA4W.
779    
780    checkpoint59o
781    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
782    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
783      move a few statemens out the main loop into separate loops
784    o pkg/shelfice:
785      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
786        (kg/m^2/s), does not break tests, because in verification/isomip,
787        rhoConstFresh=rhoConst (by accident)
788      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
789      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
790        new file model/src/seawater.F, so that they are available for all pkgs.
791      - convert potential temperature into in-situ temperature. This changes the
792        isomip tests => update tests
793    o add a flag writePickupAtEnd (default=true) to be able to suppress
794      writing a pickup at the last timestep
795    o tools/mpack-1.6 :
796      - disable automake (not working) and autoconf (not needed).
797      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
798        also cleaner with much less compilation warnings.
799    o pkg/profiles:
800      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
801      (for "less than 32 characters name" compiler requirement)
802    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
803      conditions that have a different sampling frequency than S/T/U/V obcs
804    o pkg/diagnostics (stats-diags):
805      - fix global Min/Max in case 1 processor get only empty tiles
806    o genmake2: replace (4 times)
807         make genmake_tc_1.o >> genmake_warnings 2>&1
808      with
809         COMM="$CC $CFLAGS -c genmake_tc_1.c"
810         echo $COMM >> genmake_warnings
811         $COMM >> genmake_warnings 2>&1
812      to make genmake2 always see the value of CC as specified in the optfile.
813    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
814      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
815      - modify verification advect_cs test to test SOM-advection on CS-grid.
816    o pkg/ctrl:
817      - Rewrite of ctrl_map_ini_ecco.F,
818        introducing a generic routine (ctrl_map_ini_gen.F).
819      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
820    
821    checkpoint59n
822    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
823      number in dedicate array "hdiag":
824      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
825        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
826      - many small changes (integer format) for large number of diagnostics
827      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
828        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
829    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
830      usingSphericalGrid, this allows to define the rotated grid coordinates
831      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
832      geographical coordinates according to the inverse of the rotation defined
833      by the Euler angles, so that Coriolis parameter and online-interpolation by
834      exf works with the geographical coordinates on XC/YC/XG/YG.
835      Naturally, this feature does not work with all packages, so some
836      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
837      profiles), because there the coordinates are assumed to be regular
838      spherical grid coordinates.
839    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
840      - introduce isopycnal diffusion coefficient control.
841    o tools/adjoint_options:
842      - additional control vector components.
843    o pkg/mnc: have mnc create marginally meaning full coordinate variables
844      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
845    o pkg/mypackage:
846      - add example of read/write pickup for state-var ;
847      - add entry points to the main code for state-vars diags & write-pickup.
848    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
849      transitions for useExfYearlyFields
850      - add new subroutine that determines the file to read from for
851        use*YearlyFields = .TRUE. and .FALSE.
852      - add a verification experiment to global_with_exf that tests
853        useExfYearlyFields with USE_EXF_INTERPOLATION defined
854    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
855      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
856      subroutines (which could be generated from a template, because they are
857      almost identical), for now they are included in obcs_prescribe_read.F for
858      simplicity
859    o pkg/exf:
860      - add a little more diagnostic to exf_interp_read (in analogy to
861        mds_read_field, can be turned off with debugLevel < debugLevA=1)
862      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
863        ugly but fast by unrolling short inner loops, inserting a unroll=8
864        directive in routine lagran, and splitting a loop and making do while the
865        outermost loop (the latter requires the intoduction of index arrays)
866    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
867    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
868      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
869    o verification/seaice_obcs: updated for restart test and latest options
870    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
871      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
872      for now this is only available for the C-grid code and also within
873      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
874    
875    checkpoint59m
876    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
877      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
878    o gad_som : fix flux output (& diagnostics) to have same units as other  
879      advection scheme fluxes (was previously multiplied by deltaT).  
880    o added verification/seaice_obcs both to test seaice open boundaries
881      and to provide an example matlab scrpt for generating them
882    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
883    o pkg/salt_plume: clean up salt_plume_frac.F to
884      remove redundancy in PlumeMethod 1 and 4
885    o pkg/kpp: added saltplume diagnostics
886    o pkg/obcs and pkg/seaice:
887      - do not set uice and vice to zero when OB*icefile are unspecified
888      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
889      - moved seaice tracer obcs after call to seaice_growth
890    o pkg/salt_plume: added various options for salt plume depth
891      criterion and for vertical distribution of the salt
892    
893    checkpoint59l
894    o pkg/ptracers: new version of ptracers pickup:
895      read meta file and write only fields which are needed to restart.
896      ( same logic as main pickup file ; also using pickupStrictlyMatch )
897    o pkg/seaice:
898      - add timescale for melting due to warm mixed layer as a means of
899        setting SEAICE_availHeatFrac more conveniently
900      - add a CPP-flag/runtime parameter check for flooding algorithm
901      - reformulated availHeat in seaice_growth.F to be independent of AREA
902    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
903      unit changes
904    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
905    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
906      SX vector computer.
907    o pkg/seaice:
908      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
909        seaice forcing fields can now be read only through pkg/exf
910      - removed some unused halos
911    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
912    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
913      or U/VICE from U/VWIND before computing U/VSTRESS
914    
915    checkpoint59k
916    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
917      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
918    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
919      all experiments pass when compile with un-initialised var. checking option.
920    o added pkg/salt_plume
921    o script to test restart (for now, in MITgcm_contrib/jmc_script)
922    o pkg/seaice: new read/write pickup version.
923      read meta file and write only fields which are needed to restart.
924      ( same logic as main pickup file ; also using pickupStrictlyMatch )
925    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
926    o lab_sea.hb87: modify the domain & update output.hb87.txt :
927      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
928      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
929      process. Fixed here by closing the domain at the Northern boundary.
930    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
931    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
932      a set of consecutive levels in/from a 3-D array.
933    o pkg/ptracers:
934      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
935      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
936    
937    checkpoint59j
938    o in pkgs: dic, obcs, offline, rbcs:
939      standard way to compute coeff. for time interpolation between 2 time reccords
940      which retains full precision (& make results less dependent on compiler).
941      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
942    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
943      packages instead of reading ice cover and wind speed separately
944    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
945     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
946      to allow to compile customized code before the update)
947    o cleaning-up:
948      - fix CPP instruction syntax in pkg/obcs
949      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
950        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
951      - fix some threads issue in IO parts.
952    o pkg/dic:
953      - add tons of "_d 0" (--> much better testreports !)
954       and then update outputs of tutorial_global_oce_biogeo
955    o pkg/mom_fluxform:
956      add a special version of momentum advection intended to conserve momentum
957      next to a bathymetry step or a coastline edge. (default = off = #undef)
958    o new read/write pickup version:
959      - for now, only implemented for main (mdsio) pickup file.
960      - write out only what is needed to restart; merge pickup_nh , pickup_ph
961        and main pickup together.
962      - read meta file; read only what is needed to restart; stop if a field
963        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
964        if it make sense (even if the restart is not perfect).
965      - if no meta file, assume that pickup to read corresponds exactly to
966        a pickup that would currently be written.
967      - read pickup written in the old format (until checkpoint59i) if it
968        recognizes an old meta file (no field-list).
969      - add a meta file in exp. which starts from a pickup: 2 cases:
970        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
971         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
972        b) a meta file describing the content of the associated pickup file
973         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
974    o pkg/mdsio & pkg/rw:
975      - new routine to read a meta file ; new set of routine to read
976        Multiple-fields file (with meta file).
977    o added open boundary conditions capability for seaice
978        HSNOW, HSALT, UICE, and VICE
979    
980    checkpoint59i
981    o adjoint:
982      * fix multiDimAdvection adjoint
983        (partial recomputation problem by TAF for fVerT(:,:,kDown)
984        and comlev1 size definition (maxpass vs. max. number of tracers)
985      * verification/global_ocean.90x45x15 adjoint now tests
986        NLFS and multiDimAdvection using DST3 (=30)
987      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
988    o pkg/kpp: add "_d 0" to real constant (if missing);
989      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
990      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
991    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
992      for internal parameters related to restart process (formerly from PARAMS.h)
993      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
994    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
995      as argument. (only atm2d & obcs write_pickup have not yet been updated)
996    o pkg/monitor:
997      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
998      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
999      - account for deep Atmosphere factor and density factor (anelastic)
1000    o added open boundary conditions capability for seaice HEFF and AREA
1001    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
1002      thermodynamics
1003      - requires a little reorganization, which affects the testreport results
1004        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
1005        so that now the conservative form is tested
1006      - add a few comments
1007    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
1008    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
1009    o add new diagnostics to seaice: advective, diffusive fluxes (only for
1010      multidim-advection, for scheme 2 they are not filled) and transports,
1011      thermodynamic growth rates
1012    o change units of EmPmR (inside the code, + within coupling interface)
1013      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
1014      Affects results @ truncation level (cg2d match) and update output of
1015       experiments: lab_sea(6), global_ocean.90x40x15(10),
1016      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
1017      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
1018      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
1019      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
1020    
1021    checkpoint59h
1022    o pkg/exf:
1023      - improve vectorization by moving if-statement out of loops in
1024        exf_mapfields, exf_radiation
1025      - exf_bulkformulae.F: introduce 2D fields and vectorize code
1026    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
1027    o testreport:
1028      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
1029        monitor & update offline_exf_seaice exp. output.
1030      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
1031    o pkg/seaice:
1032      - bug fix in the evp solver: boundary conditions were affected be
1033        masking of zMax/zMin (changes results)
1034      - minor bug fix in boundary conditions in seaice_calc_strainrates
1035        (changes results for no_slip)
1036      - seaice_lsr.F: make interpolation of eta dependent on boundaries
1037      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
1038      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
1039        stress formulation and no-slip boundary conditions
1040    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
1041      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
1042    o pkg/seaice: a first HSALT time stepping equation has been checked in
1043    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
1044      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
1045      without requiring DO-IF statements
1046    o pkg/thsice:
1047      use continuous power-law function for partition of energy between lateral
1048      melting/freezing and thinning/thickening ; old code using step function
1049      still available with #undef THSICE_FRACEN_POWERLAW
1050      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
1051    o testreport: change AD testing : check against results/output_adm.txt
1052      using same scripts as for forward test.
1053    
1054    checkpoint59g
1055    o adjoint testing: in preparation for changing testreport:
1056      - output format: cost and grad written on separated lines
1057      - ad output results in directory "results" (instead of "results_ad")
1058    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
1059    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
1060    o pkg/ecco: allow user defined cost function contributions
1061    o testreport:
1062      Allow to choose (per experiment) the list of tested output variables
1063       and the main variable (used to issue a pass/FAIL ) ;
1064      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
1065      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
1066      Also modify printing of summary:
1067       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
1068       b) echo the list of tested variables in the individual summary.txt of
1069          each experiment.
1070    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
1071      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
1072      (but still depend on the tile decompostion of the domain).
1073    o pkg/seaice: change a discretization detail to make the B-grid code
1074      "more symmetric". This change is likely to remove all "ridges/leads" that
1075      where quasi-aligned with the grid in B-grid solutions. It may also be
1076      the solution to the stress coupling issues with the B-grid.
1077    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
1078      remove .cvsignore from input dir. (since testreport no longer run here).
1079    o pkg/thsice:
1080     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
1081     - fix reshaping of sea-ice just after advection:
1082       melt all the ice only if ice-volume is too small.
1083     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
1084       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
1085     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
1086    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
1087      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
1088    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
1089      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
1090      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
1091      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
1092      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
1093      -> update output.txt
1094    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
1095     this affects truncation error: -> update output.txt of exp:
1096      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
1097      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
1098    
1099    checkpoint59f
1100    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
1101    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
1102      a bounded range (in forward mode)
1103    o pkg/ecco, ctrl, autodiff and mom_common:
1104     internal parameter controls, completements of implementations
1105    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
1106    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
1107      (not seem any difference in testing results).
1108    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
1109       at face corners.
1110    o pkg/generic_advdiff:
1111     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
1112      loop range indices for computing vertical advection tendency
1113      and do the calculation in the interior only (no overlap) ;
1114      for now, only implemented for SOM advection (to save CPU time).
1115     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
1116    o exch2 adjoint
1117      First set of changes:
1118      - add exch2 hand-written adjoint templates
1119      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
1120        This will require cleanup in pkg/autodiff/*.F
1121        (changed routines currently kept separate in verif. code/)
1122      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
1123        that used to hide exch2 or cubed-sphere specific code
1124        (commented via 'cph-exch2')
1125    o pkg/seaice
1126      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
1127    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
1128       output of global_ocean.cs32x15.thsice .
1129    
1130    checkpoint59e
1131    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
1132      for B-grid vector (not yet tested) and C-grid vector (<- only used
1133      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
1134    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
1135      (#ifdef ALLOW_SALT_PLUME)
1136    o gather_2d/scatter_2d: removed halo regions
1137    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
1138      scheme and the corresponding test case (under front_relax dir). For now,
1139      only available with Skew-flux form and not yet tested in realistic set-up.
1140      adjoint: store directives updated, but gradient checks deteriorated,
1141      so maybe GM/Redi adjoint is now broken.
1142    o seaice adjoint
1143      * add AREA, HEFF, HSNOW as control variable
1144        (should not change lab_sea results)
1145      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
1146    o pkg/seaice:
1147      * added computation of saltFlux in seaice_growth;
1148        For time being, sea ice salinity is assumed constant
1149        contribution of snow flooding to freshening of sea ice is neglected.
1150        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
1151        defaults to 0.0 in order to maintain backward compatibility.
1152        Typical values for SEAICE_salinity are 4 to 10 g/kg.
1153      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
1154      * added SEAICE_availHeatFrac, which specifies fraction of surface level
1155        heat content used to melt or grow ice
1156      * commented out cap of HICE: it helps keep ice thinner
1157      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
1158      * applied OBCS T/S mask to HEFFM sea ice mask
1159    
1160    checkpoint59d
1161    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
1162     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
1163     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
1164    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
1165     and change default value of parameter "GM_Small_Number";
1166     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
1167       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
1168       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
1169    o pkg/ecco: cost function when applying pkg/smooth to controls
1170    o pkg/ctrl: add forcingPrecond run time parameter
1171    o pkg/seaice:
1172     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
1173     - fix bug in metric terms of u-equation in LSR solver (implicit part),
1174       changes verification/lab_sea
1175     - rearrange implicit part of u-equation in LSR solver to make it easier to
1176       read, understand, and debug. This causes changes at the truncation level.
1177     - fix (serious) bug in the boundary conditions (sign error in the implicit
1178       part) of the LSR solver. Changes all LSR results.
1179     - fixed problem with HSNOW initialization to avoid thick snow when AREA
1180       is initilized with small values - does not change lab_sea results.
1181     - added HsnowFile initialization capability
1182    o pkg/smooth: addition to model/src and pkg/ctrl so allow
1183     initialization of pkg/smooth and application to control vector
1184    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
1185    o dependencies: pkg/profiles requires pkg/cal
1186    o pkg/profiles:
1187     - added option ALLOW_PROFILES_GENERICGRID
1188         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
1189         that interpolation information (grid points and coefficients) is provided
1190         within the netcdf input files.
1191         -> sample matlab scripts can be found in MITgcm_contrib/gael
1192         that allow you to prepare netcdf input files.
1193     - also modified: cleaner include statements, cleaner error print statements,
1194       cleaner stops when error, and more tests of the netcdf input files consistency.
1195    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
1196    o pkg/seaice:
1197     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
1198       requires a new routine: seaice_diagnostics_fill.F
1199     - make sure that seaice does not move if not forced (pressure replacement
1200       method, Hibler and Ip, 1995), changes results
1201     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
1202     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
1203       It is turned off by default (=-1.), because it changes the results.
1204     - make it possible to read AREA from a file, too.
1205    
1206    checkpoint59c
1207    o add S/R and diagnostics for oceanic mixed-layer depth
1208    o move GMRedi call after all vertical mixing schemes (including KPP)
1209    o pkg/thsice:
1210     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
1211      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
1212    o pkg/obcs:
1213     - bug fix for balance code
1214    o pkg/seaice:
1215      - allow values of SEAICE_elasticParm > 1
1216      - add new parameter SEAICE_evpTauRelax as an alternative
1217        to SEAICE_elasticParm
1218      - make lsr boundary conditions free slip (by default), changes result
1219      - add code for no slip boundary conditions for lsr
1220      - set minimum of zeta to zero (and not 4e8) (changes results)
1221      - add a cap on AREA after advecting AREA if seaice_growth is not called
1222    o change calculation of Visbeck K:
1223      - no longer depend on tapering scheme; instead, compute slope (limited
1224        by GM_maxSlope). this is equivalent to what was comuted before with
1225        clipping or linear tappering.
1226      - fix vertical averaging (wrong by 1/2 level)
1227      - leave the old version (but will not be maintained) within
1228        #ifdef OLD_VISBECK_CALC / #endif
1229      - update output of exp. ideal_2D_oce
1230    o change error catch in calc_r_star to improve vectorization
1231    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
1232      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
1233    o adjoint:
1234      Re-organized adjoint checkpointing according to Matt Mazloff
1235      (but with modifs/completions/cleanups)
1236      Storing is now bundled into large arrays to optimized I/O
1237      (and second step in cleanup of the_main_loop)
1238    
1239    checkpoint59b
1240    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
1241      - export/import (between ocean & coupler) fields needed for ocean DIC.
1242    o pkg/seaice:
1243      - get rid of three more exchanges seaice_calc_viscosities (required
1244        different loop boundaries in seaice_lsr and seaice_ocean_stress)
1245      - bug fix in seaice_ocean_stress (update of lab_sea required)
1246      - reduce loop boundaries to necessary minimum also in seaice_evp
1247      - go back to the old way of computing deltaC/Z as the adjoint likes that
1248        better
1249    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
1250      passive tracer to an Age Tracer) + update output.txt
1251    o pkg/exf:
1252      - implement A-grid / C-grid selection for wind-stress input files.
1253      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
1254      for now, in exf_bulk_largeyeager04.F only :
1255      - change implementation for case where windspeed + 2. components wind-stress
1256        are read-in. AND use rhoConstFresh to convert evap.
1257    o pkg/seaice:
1258      - use correct EXCH_UV for wind-forcing (on A-grid).
1259      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
1260        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
1261    o pkg/exf:
1262      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
1263      EXF_INTERPOLATION:
1264      - merge global_with_exf/code version of exf_interp_read.F
1265        to the main code ;
1266      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
1267        reading the file ; Important: This options needs to be defined to recover
1268        previous code.
1269        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
1270      - no longer loose real*8 precision along the way when using exf_iprec=64.
1271    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
1272      - change discretisation of evp-solver in order to avoid another exchange
1273        (changes lab_sea) and clean up a little
1274      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
1275        help the adjoint (this also changes the results slightly)
1276      - add a few "_d 0" where they had been missing in seaice_evp.F
1277      - cleaning up: remove unused seaice_calc_rhs.F
1278    o pkg/exf: some cleaning-up:
1279      - change various "constants" into runtime parameters
1280      - cleaned-up Large&Yeager04 routine which should eventually
1281        replace exf_bulkformulae.F (changed names of S/R and CPP)
1282        and merged various ALLOW_ATM_WIND options
1283     only used with thsice pkg (in thsice_get_exf.F):
1284      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
1285        which are used when useStabilityFct_overIce=TRUE (= the default)
1286      - change default values of ice & snow emissivity and scale downward LW
1287        by ice & snow emissivity.
1288    o pkg/thsice:
1289     fix few little problems, in thsice_calc_thickn.F:
1290      - growth vertically (and not laterally) if iceFrac == iceMaskMax
1291      - melt only laterally if hIce < hThinIce (as the comments say)
1292      and in thsice_extend.F:
1293      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
1294      - start to form ice as soon as the minimum ice-volume is reachable.
1295     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
1296      and cpl_aim+ocn
1297    o pkg/kpp
1298     - move computation of surface related input fields to KPP into a new
1299       subroutine kpp_forcing_surf.F
1300     - remove wrong (within bi,bj loops) EXCH calls.
1301     - little cleaning (add argument myThid in last position, cvs header ...)
1302     - for now, fix conservation problem by exchanging KPPviscAz (may not
1303       be the best fix)
1304    o pkg/seaice
1305     - check for inconsistent evp parameter/cpp-flag combination
1306     - remove leftover errIO flat for obsolete name list error handling
1307    o OpenAD
1308     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
1309    
1310    checkpoint59a
1311    o pkg/seaice: some parameter clarifications and a little bit of clean up
1312    o pkg/thsice: rename run-time parameters:
1313       himin       -> hIceMin
1314       himin0      -> hThinIce
1315       hihig       -> hThickIce
1316       i0          -> i0swFrac
1317       transCoef   -> bMeltCoef
1318       frac_energy -> fracMelting
1319      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
1320       with default values (for now) that do not change the results.
1321      remove old version of thsice vars advection in pkg/seaice.
1322    o in FFIELDS.h:
1323      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
1324      - make pLoad & sIceLoad always available (but still only used if
1325         ATMOSPHERIC_LOADING is #define).
1326    o pkg/kpp: replaced _KPP_RL with _RL
1327    o bug fixes for vertical diffusivity computations when both KPP and
1328        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
1329        are no longer updating the vertical diffusivity array
1330        (passed as argument) but are (re-) setting those arrays.
1331    o pkg/seaice: fix bug in evp solver, while doing that
1332      - change (improve?) discretization of stress computations for both
1333        cgrid-lsr and evp solver
1334      - add a new routine to compute strain rates
1335      - the above changes lab_sea results
1336      - add no slip conditions for evp solver (off by default), lsr-version
1337        may follow
1338      - fix exchange for shear at Z-points (does not change lab_sea)
1339      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
1340        (to force the user to pick a time step since there is not "safe" way
1341        of choosing it)
1342      - add principal stress diagnostics
1343      - rearrange fields for evp a little to avoid having to call a: too many
1344        exchanges and b: exchanges for stress trensor components which we do
1345        not have.
1346      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
1347        of evp, complete rewrite for lsr case (latter is does not yet work
1348        in all cases)
1349    o pkg/kpp: add code to have mixing in shelf ice caverns
1350      - add myThid to all kpp routines (long overdue)
1351    
1352    checkpoint59
1353    o pkg/exf:
1354      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
1355        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
1356      - move exf header files from lower_case.h to UPPER_CASE.h ;
1357        add missing cvs Header & Name
1358      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
1359      - add namelist param. selectStressGridPosition, exf_monFreq
1360      - retire many _CLIM routines, and remove data.exf_clim
1361        + params moved to data.exf
1362        + climsst, climsss now handled by exf_set_gen, i.e.
1363          climss?period=0 refers to constant field,
1364          climss?period=-12 to monthly forcing
1365      - split up namelists in data.exf
1366    o pkg/seaice:
1367      - remove seaice_exch and seaice_exch_uv
1368      - remove superfluous exchange of theta
1369      - add myThid to seaice_budget_ocean/ice
1370      - add new interface for atmospheric wind forcing (C-grid only)
1371        + new routine
1372        + two new field (taux, tauy for stress over ice)
1373        + removed one global field (DAIRN) for C-grid case only
1374    o pkg/thsise
1375      - 2nd set of modifs for thsice adjoint in conjunction with exf
1376    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
1377    
1378    checkpoint58y_post
1379    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
1380      vertical diffusivity, similar to that in MOM4; turned on using
1381      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
1382      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
1383    o Added capability for 3D specification of background vertical diffusion
1384      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
1385      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
1386      "data" file that contains the 3D vertical diffusivity coefficients.
1387    o ice dynamics (pkg/seaice) with thsice thermodynamics:
1388      - add code within pkg thsice to advect & diffuse sea-ice fields
1389      similar to (and will replace) what has been added in  seaice_advdiff.F,
1390      but: - conserving Mass, Heat & Salt.
1391           - better when using non-linear advection scheme (not yet fully tested)
1392           - can also be used in atmospheric set-up (for now, only the diffusion).
1393    
1394    checkpoint58x_post
1395    o IO option for global-file compact format:
1396      - add options when generating topology (utils/exch2/matlab-topology-generator)
1397      - add I/O capability (pkg/mdsio).
1398      - adapt utils/matlab/rdmds.m to read this format.
1399      for now long-line format not yet supported by pkg/mdsio (& exch2).
1400    o shelfice: add a few diagnostics
1401    
1402    checkpoint58w_post
1403    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
1404      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
1405      (and replace horiVertRatio in NH code).
1406      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
1407                         and tutorial_plume_on_slope (sensitive to truncation)
1408    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
1409      directly to drive seaice model (C-grid only)
1410    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
1411     - reintroduce computation of wind from stress,
1412     - compute tau (in exf_bulkformulae.F) from windstress averaged to
1413       mass points to avoid tau = 0
1414     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
1415    o rdmnc.m: make it work with "global" files created with gluemnc
1416    o rdmnc.m : some improvements in dealing with singleton dimension
1417      (tested on all testreport mnc output files).
1418    o genmake2: disable pkg/profiles if netcdf test fails.
1419    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
1420    o move call to cal_readparms up to make calendar parameters/variable available
1421      to all packages
1422    
1423    checkpoint58v_post
1424    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
1425      useDynP_inEos_Zc tested.
1426    o pkg/exf: changes to properly interpolate/mask/scale initial fields
1427    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
1428      and portions thereof.  See read_cs.txt for description and examples.
1429    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
1430      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
1431      following the great-circle arc between those 2 points.
1432    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
1433      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
1434    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
1435     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
1436     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
1437     - still needs work (not working with some options ; efficiency to improve)
1438       and serious testing.
1439     - use this scheme for temperature & salinity in 2 advection test exp.:
1440       advect_xy & advect_xz, respectively.
1441    
1442    checkpoint58u_post
1443    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
1444    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
1445    o testreport: add option "-skipdir" to skip some test.
1446    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
1447      momentum calculation.
1448    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
1449    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
1450      remove checkpoint.F and the_correction_step.F (no longer used);
1451      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
1452    o add option (linFSConserveTr) to correct for tracer source/sink due to
1453      Linear Free surface
1454    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
1455    o pkg/thsice: fix reading mnc-pickups
1456    
1457    checkpoint58t_post
1458    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
1459    o pkg/mdsio:
1460     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
1461       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
1462       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
1463     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
1464     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
1465       either MDS_READ_FIELD or MDS_WRITE_FIELD )
1466     - new S/R (to replace MDSWRITEMETA), which allows to write more
1467       informations (variable names, time ...) to meta files.
1468     - modify rdmds.m to give back the meta file content.
1469    o pkg/diagnostics: change vertical interpolation to be safer, and more
1470       flexible (define p-levels to interpolate to in data.diagnostics);
1471      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
1472       diagnostic pointer.
1473    o pkg/seaice: more cleaning up of seaice_growth, added many comments
1474    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
1475    o fix multi-category seaice:
1476     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
1477       SEAICE_MULTICATEGORY
1478     - fix short wave heat flux
1479    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
1480       and allow to use EVP solver. Change forward lab_sea: test both EVP
1481       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
1482    o Initial check-in of lab_sea adjoint
1483      (very similar to natl_box_adjoint/code_seaice)
1484      * used C-grid and EVP solver
1485      * used KPP, GM/Redi
1486      * uses inAdExact=.TRUE.
1487      * gradient checks fail for both ADM and TLM
1488        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
1489        f.d. gradients actually seem more problematic than ADM, TLM gradients;
1490        issue is related to forward mismatch between g77 an ifort
1491    o pkg/seaice: overhaul of thermodynamics
1492     - growth.F and groatb.F are replaced by new routine seaice_growth.F
1493     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
1494     - move a few global fields out of SEAICE.h into seaice_growth.F and
1495       make them 2D (FICE/QNETO/ ...)
1496     - remove FO (it is the same as QNETO)
1497     - introduce a few local fields to avoid modifying external fields such
1498       as atemp, etc.
1499    
1500    checkpoint58s_post
1501    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
1502      changed exf_set_gen.F so that
1503        genperiod=0 means input file is one time-constant field and
1504        genperiod=-12 means input file contains 12 monthly means
1505    o CG2D: use pre-computed solver main-diagonal (stored in common block);
1506      this affects truncation error ; generate new output file for exp. which
1507      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
1508        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
1509        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
1510        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
1511        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
1512        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
1513    o start implementation of deep-atmosphere and anelastic formulation
1514    o verification: remove 2nd copy of input files and use script "prepare_run"
1515      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
1516    o mom_common/vecinv/fluxform: fix a few initialisation isssues
1517    o profiles: fix for multithreaded case
1518    
1519    o diagnostics: rename few diags:
1520      s/'PRESSURE'/'RCENTER '/g
1521      s/'TICE    '/'oceFreez'/g
1522      s/'TAUX    '/'oceTAUX '/g
1523      s/'TAUY    '/'oceTAUY '/g
1524      s/'SWFLUX  '/'oceQsw  '/g
1525      s/DIFx/DFxE/g
1526      s/DIFy/DFyE/g
1527      and add few ocean-forcing diagnostics:
1528      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
1529    o modifications to pkg/seaice/growth.F and budget.F, which change results of
1530      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
1531      as actual snow thickness.  It now refers everywhere to effective snow
1532      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
1533    
1534    checkpoint58r_post
1535    o modifications to pkg/seaice/growth.F, which change results of
1536      lab_sea experiment: fixes pertain to melting snow over open water, to
1537      masking EVAP under sea ice, and to using the correct AREA variable for
1538      computations of EVAP, PRECIP, HSNOW, and GHEFF
1539    o add ability to read bathy, salt, and theta using MNC (off by def)
1540    o add flooding algorithm and advection of HSNOW for pkg/seaice;
1541      both are turned off by default and do no change any results
1542    o seaice advection with pkg/thsice: a step toward the use of non-linear
1543      advection scheme, but #ifdef or commented out for now (requires more EXCH).
1544    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
1545      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
1546      in natl_box (affects results @ truncation level: update output.txt)
1547    o multi-threading and IO:
1548      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
1549      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
1550        (needed to work with SingleCpuIO): tested in all verif. exp.
1551    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
1552      affects the results (but none of the verification test uses this scheme).
1553    o Adding some pkg/diagnostics capability to pkg/seaice
1554      (will certainly be subject to changes)
1555    o ctrl: adding new control variables:
1556      lwflux, lwdown, evap, snowprecip, apressure, runoff
1557    
1558    checkpoint58q_post
1559    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
1560      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
1561      high_res_cube configuration by 4% on Columbia.
1562  o clean-up multi-threaded problems (reported by debugger tcheck on ACES);  o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
1563    add (in global_with_exf/code) a version of EXF_INTERP_READ without    add (in global_with_exf/code) a version of EXF_INTERP_READ without
1564    dynamical allocation (seems to work in multi-threaded).    dynamical allocation (seems to work in multi-threaded).
# Line 1254  o add two new packages Line 2809  o add two new packages
2809    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2810    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2811      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2812      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2813  o add offline package  o add offline package
2814  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2815    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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