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revision 1.658 by jmc, Mon May 22 00:25:20 2006 UTC revision 1.1178 by jmc, Thu Oct 15 01:23:59 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 model/src:
8      add run-time parameters to check and/or mask initial Temp & Salt
9    o pkg/ptracers:
10      apply zonal filter (if used) to all passive tracers
11    
12    checkpoint61w
13    o adjoint:
14      * update and finish work on adjoint of dic package (G. Forget)
15      * start adjoint of offline package
16      * bug fix for cube-sphere TLM code (active_file_g.F)
17    o tutorial_global_oce_optim:
18      now tested with 4 tiles (change data.grdchk and update output_adm.txt)
19      and add SIZE.h_mpi for MPI testing
20    o pkg autodiff
21     - fix bug in autodiff_restore
22     - make genmake2 remove comments and empty lines from ad_input_code.f in
23       order to reduce file size (new script file remove_comments_sed)
24    o allows to specify vertical profile of vertical viscosity (viscArNr)
25    o pkg autodiff
26      autodiff_ini_model_io: comment out writing of grid information to netcdf
27      files, because at this time the grid fields are a bunch of zeros
28      (this is analogous to ini_mnc_vars.F)
29    o pkg seaice/autodiff:
30     left-over from removing the 3-time-level fields:
31     - small rearrangement of common blocks (SEAICE.h)
32     - fix field declaration in order to get meaningful output in
33       adseaice.*.nc (adcommon.h)
34    o pkg obcs:
35     - go through NH code only if nonHydrostatic=T
36     - fix restart for Orlanski (Hydrostatic; still to fix NH+Orlanski restart)
37     - move call to OBCS_CALC before SEAICE_MODEL which needs seaice-obc fields
38       => Update output of experiment seaice_obcs
39     - useOBCSbalance: code is wrong with multi-tile / proc: add a stop.
40     - fix NH+Orlanski restart (add wvel OBC value in pickup file)
41     - fix restart for useOBCSprescribe + useEXF
42    o pkg ctrl
43     - make obcs as control parameter work also with useSingleCPUio
44     - replace a few sny and snx by Ny and Nx to be consistent with
45       ctrl_set_globfld_x/yz.F
46    o pkg seaice
47     - re-introduce global field frWtrAtm for the case of
48       ALLOW_MEAN_SFLUX_COST_CONTRIBUTION defined (SEAICE.h, seaice_growth.F)
49     - catch the case of an empty filename in seaice_cost_init_fixed.F
50    o pkg ecco:
51     - small bug fixes in the_main_loop
52      . fix order of monitor arguments
53      . change SEAICE_MULTILEVEL to SEAICE_MULTICATEGORY
54      . move include DYNVARS.h up outside the ALLOW_AUTODIFF_TAMC block so
55        that ALLOW_ECCO_FORWARD_RUN works with NONLIN_FRSURF
56     - replace cos(yc*deg2rad) by _rA in cost_mean_heat/saltflux.F, fix the
57       imbalance diagnostics for wmean_h/sflux = 0
58     - add actual values to f_obcsn/s/w/e in ecco_cost_final.F
59     - catch the case of empty filenames in ecco_cost_init_fixed.F
60       and ecco_readparms.F
61     - fix the logic of wsalt=0.and.wsalt2=0 to wsalt=0.or.wsalt2=0 (and theta)
62       to make this statement meaningfull in ecco_cost_weights.F
63    o pkg zonal_filt:
64      - change ZONAL_FILTER S/R interface (allows to filter 2-D fields)
65      - when using rStar, filter uVel*hFacW instead of uVel
66       (tested without topography: fix a Pb of growing instability with NLFS)
67    o pkg/aim/thsice:
68     -Add capacity to read a Q-Flux to be applied in slab-mixed layer thsice_slab_ocean.F
69      (works as SST restoring)
70    o pkg/thsice:
71     -add specific parameter for salt restoring in slab mixed-layer
72       (by default equal to the temperature restoring)
73    
74    checkpoint61v
75    o pkg/kpp:
76     -add double diffusive contributions as a hack, turned off by default
77      for now, and the code can be excluded with a CPP-flag
78      EXCLUDE_KPP_DOUBLEDIFF just as EXCLUDE_KPP_SHEAR_MIX
79     -add a verification experiments to "vermix" to test this code
80    o pkg/mom_common:
81      Move computation of length scales to mom_init_fixed.F (avoid recomputation
82      at each time-steps*levels).
83    o pkg/layers:
84      Created a new package for computing volume fluxes in temperature or
85      [not yet implemented] density layers, e.g. for calculating residual
86      overturning circulations.
87    o pkg/diagnostics:
88      implement a RS type version for the set of DIAGNOSTICS-FILL subroutines
89    o fix few RS/RL type mismatch (check with ifort 11.1 "-warn all" option)
90    o pkg/mdsio (& pkg/rw): rework high level S/R interface:
91      To avoid mixing type (RS/RL) of input/output array argument,
92      replace single mixed-type array with a pair from each type (RS/RL).
93    o setting pickupSuff force to start from a pickup (even if nIter0=0): this
94      is now implemented for all pkgs (previously only done for the main pickup)
95    
96    checkpoint61u
97    o pkg/obcs:
98      - change OB?eta from _RS to _RL and put them into a separate commen block
99      - add code to read OB?eta from a file via obcs_prescribe_read: the code
100        compiles and does not destroy any other experiments, the data is read
101        properly, but the code is not tested in actual applications
102    o ini_mnc_vars.F: if available (ALLOW_CAL), use startTime_1 and 2 to
103      create a meaningful unit attribute for the time coordinate variable
104    o pkg/ebm: add plenty of missing "_d 0" ;
105       update results of experiment global_ocean_ebm (fwd + adjoint tests)
106      Notes: several pieces of code only works for (very) specific set up
107       (domain size, lat range, etc ...); should be documented & stop if one
108       of those assumptions is not meet.
109    o pkg/seaice: add missing "_d 0" in HSNOW initialisation
110       update results of experiments: lab_sea (3 fwd tests + 2 adjoint tests)
111          and offline_exf_seaice (seaicetd + adjoint).
112    o add missing "_d 0" in ShortWave flux penetration (S/R SWFRAC):
113       update results of experiments: lab_sea (4 fwd tests + 3 adjoint),
114        seaice_obcs, global_ocean.cs32x15 (icedyn & thsice) and natl_box (x2).
115    o few changes to pass when compiling with strick checking of arguments
116       across S/R (allow to find few bugs in S/R calls).
117    o pkg/seaice:
118     - seaice_evp: move if-statement out of loop (TEM) at the cost of 11 new
119       2d-fields, for slightly better performance
120    
121    checkpoint61t
122    o pkg/seaice:
123     - remove unused variables in seaice_evp
124     - reduce number of SQRT in seaice_evp and seaice_calc_viscosities
125    o eeset_parms.F, open_copy_data_file.F & ini_parms.F:
126       named file replacing SCRATCH files (for TARGET_BGL & TARGET_CRAYXT):
127       each processor opens a different file (a fix from Matt).
128    o cg2d:
129       use simple EXCH (overlap size = 1 and ignore corners), like in cg3d.F :
130       this reduces number of EXCH calls by 2 when using exch2.
131       For now, keep previous size array for gc2d_nsa.F to avoid Pb with store
132       directives and missing simple EXCH (exch_s3d_rx) adjoint code.
133    o pkg/thsice:
134       add code for Near Infra-Red albedo (from Jeff)
135       (turned on with run-time flag: thSIce_calc_albNIR, in data.ice).
136    o ini_model_io:
137       move (from packages_readparms.F & initialise_fixed.F) to ini_model_io.F
138       MNC & MONITOR initialisation calls; move MNC calls from {pkg}_readparms.F
139       to {pkg}_init_fixed.F for {pkg}= kpp, seaice & shelfice.
140    
141    checkpoint61s
142    o pkg/exch2 (exch2_rxN_cube*):
143       remove last BARRIER (no need to synchronise after getting data from shared
144       buffer (get) as long as any change to buffer (put,recv) is between BARRIER)
145    o change tiling of natl_box (from 2 to 4 tiles) to get it tested with MPI+MTH
146      and generate new output (for the 2 tests) using default rotationPeriod.
147    o pkg/exch2:
148      - always call exch2_*_cube, not exch-1 anymore, if useCubedSphereExchange=F
149        (was already the case with AUTODIFF_EXCH2 defined)
150      - add bj in exch2 arrays and S/R.
151      - can now use pkg/exch2 for regular (non CS) set-up; switch test experiment
152        MLAdjust to exch2 (identical results except with MPI -> truncation diff);
153    o add pkg/longstep for ptracer timestep a multiple of U/V/T/S timestep
154      - adds deltaT argument to the subroutines TIMESTEP_TRACER DWNSLP_APPLY
155        GAD_ADVECTION GAD_CALC_RHS GAD_IMPLICIT_R GAD_SOM_ADVECT
156      - verification experiment natl_box.longstep
157    o build_options: ifort+mpi_aces optfile (following Constantinos advise):
158      allow different versions of ifort (8 or 9) and different versions
159       of mpi (mpich or mpich2) to be used with the same optfile.
160      requires to load a netcdf module and set MPI_INC_DIR (see comments inside
161       optfile). Change testing scripts (example_scripts/ACESgrid) accordingly.
162    o pkg/seaice:
163      fix previous modif (3-level field removed) for old-pickup reading
164    
165    checkpoint61r
166    o pkg/seaice:
167     - clean up the 3-time levels of UICE,VICE,HEFF,AREA in three steps:
168      1. introduce fields for time step (N-1)
169      2. do not use levels 2 and 3 anymore (but keep them)
170      3. replace 3D versions of UICE,VICE,HEFF,AREA by 2D versions. This
171         includes changes to pkg/thsice/thsice_get_velocity.F,
172         model/src/external_forcing_surf.F, pkg/obcs/obcs_apply_seaice.F, and
173         pkg/obcs/obcs_apply_uvice.F.
174     - completely remove code for leap-frog time stepping for second order
175       advection
176     - adjusted adjoint accordingly;
177       gradient checks have improved by an order of magnitude!
178    
179    checkpoint61q
180    o pkg/seaice: fix bug in free slip boundary conditons for LSOR solver
181     - the boundary conditions along open boundaries are unclear, because the
182       associated masks are set to zero and are thus treated as closed when
183       applying the slip-boundary conditions.
184     - move initialisation of grid variables from seaice_init_varia to _fixed
185    o adding doc/diags_changes.txt
186    o model/src:
187      do_the_model_io: rename few pkg S/R which are called from do_the_model_io,
188       to avoid "_diags" naming if no relation to pkg/diagnostics.
189      ini_theta,ini_salt: fix (at least compile the code) reading from NetCDF
190       file and only call PLOT_FIELD_XYZ if debugMode=T.
191      remove few PLOT_FIELD_XY calls outside initialisation.
192      remove few unnecessary BARRIER.
193    o pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
194      of salt_plume package in Southern Ocean
195    o pkg/thsice:
196     - fix hOceMxL in overlap (needed for sea-ice advection);
197       update output of experiment global_ocean.cs32x15.icedyn.
198    o pkg/seaice:
199     - make the (placeholder-)tracer IceAge a little more meaningful
200      by avoiding ridging of age due to convergent ice flow
201     - add diagnostics for surface temperature, atmospheric and oceanic
202       heat flux, and atmospheric and oceanic ice growth
203    
204    checkpoint61p
205    o eesupp (global_max & global_sum):
206     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
207     - remove starting & endding barrier (no longer needed)
208    o pkg/mdsio, writelocal:
209       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
210       (remove the STOP): uses shared buffer IO to store data from all threads
211       and then let master-thread write nThreads tiles.
212    o pkg/mdsio (read/write field):
213     - tiled IO done in 1 piece (all levels at a time);
214     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
215     - multi-threaded: allow to read/write local (non-shared) array
216       (was already working with singleCpuIO ; now works also without);
217       => no longer needs barrier call after reading a file (added inside
218       mds_read/write field).
219     - move barrier calls outside gather/scatter_2d to mds_read/write_field
220    o pkg/obcs/exf
221      - exf_getffieldrec.F: add a few ". _d 0" and
222                            add code to catch the case fldperiod = 0.  
223      - obcs_precribe_read.F: change if statements so that they match
224                              the variable type (_RL)
225      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
226        exf_iprec) as part of namelist EXF_NML_01
227    o pkg/mdsio:
228      - read/write tiled (local) files: read/write 1-level tile chunk at a time
229        (instead of segment of length sNx); expected to speed up tiled IO.
230    o pkg/exch2:
231      - take buffer copy from/to array out of S/R exch2_send/recv into new
232        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
233        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
234      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
235      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
236        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
237        including Topology header file (and common blocks).
238      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
239        remove 2nd exch call in exch2_s3d_rx (no longer needed).
240      - document S/R arg. list (+ update some comments)
241    o pkg/seaice:
242      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
243        temperature and humidity over sea ice based on climatological values.
244      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
245        of LSR (this change is expected to change the results slightly because now
246        it uses slightly difference moduli from the second last LSR solution, but
247        that is more consistent with the stress computations; this part of the code
248        is not tested in the verification experiments)
249      - fix diagnostics for flux of ice in case of B-grid
250      - turn strain rates eij and press into global fields within global
251        common block in SEAICE.h for more straighforward diagnostics
252      - fix diagnostics for principal stress components, press, zeta, eta
253        to give something meaning full
254    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
255      new output (all 4 tests) using default rotationPeriod.
256    o pkg KPP:
257      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
258      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
259        and normal grid from 1 to Nr)
260    o Fix computations of L4rdt in mom_calc_visc.F
261    o eesupp:
262      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
263      should be called before a "stop" if we know that all process are going
264      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
265    
266    checkpoint61o
267    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
268    o model/src/ini_curvilinear_grid.F:
269       compute angleSin/CosC when they are not read from a file
270    o pkg/seaice:
271       add pseudo time stepping for LSOR
272    o pkg/exch2:
273       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
274    o pkg/seaice:
275       Adding separate sea ice albedo, drag coefficients, and HO in Southern
276       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
277    o SingleCpuIO:
278       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
279    o pkg/seaice:
280       put exchanged variable in (local) common block for MPI+Multi-Threads
281       to work (necessary with exch1, and for now with exch2 too).
282    o verification: to get more experiments tested with mpi, mth and mpi+mth,
283      change tiling of:
284       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
285       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
286      update output of exp:
287       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
288       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
289      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
290                       (note: output.txt generated on faulks using only 1 tile)
291    o eesupp & mdsio (SingleCpuIO):
292     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
293       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
294       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
295     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
296     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
297       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
298    o pkg/exch2:
299     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
300       read parameter file "data.exch2" if it exists; otherwise try default regular
301       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
302     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
303       with new code (not to be used, just as a backup solution).
304     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
305       in utils/exch2/input.
306    
307    checkpoint61n
308    o eesupp & mdsio (SingleCpuIO):
309      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
310        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
311        receive real*4 array (instead of real*8) to read/write 32.bit files.
312        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
313         and remove new mapping S/R)
314    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
315      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
316        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
317        when using exch2. Add S/R to map global io-buffer to global model array.
318      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
319    
320    checkpoint61m
321    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
322      and add 3 other S/R for other types (R4,R8,RS).
323      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
324    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
325     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
326     - reduce number of macro definitions (keep only those which are used);
327       can always call directly the corrresponding S/R if needed.
328     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
329       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
330     Fixed wrong type of arg in:
331       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
332       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
333     To fix: global_sum of var in common block is wrong (multi-threaded) in:
334       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
335     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
336    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
337      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
338    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
339    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
340      edges are closed (zero depth); might happen with "blank tiles";
341      for now, disabled if using OBCS.
342    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
343      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
344    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
345      to reduce length of 1.D array print in STDOUT.
346    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
347      + use 48 tiles (16x8): this will allow to test "blank tiles".
348    o start to test MPI + multi-threaded (change testreport to skip tests
349      where number of tiles do not match).
350    o genmake2: add option "-omp" to turn on Open-MP ;
351      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
352    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
353      and keep the original tile numbering. Note: compatible with old
354      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
355    
356    checkpoint61l
357    o Overlaps had been forgotten in calculating ijk keys : fixed
358    o fix cyrus makedepend for gcc 4.4
359    o experiment fizhi-cs-aqualev20:
360      switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
361      and generate new output. Note: new output is much closer to the old
362      one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
363      the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
364    o pkg/fizhi:
365     - change to avoid indices going deliberately over array-bounds
366     - remove unnecessary MPI stuff
367     - perpetual spring equinox with "#define FIZHI_USE_FIXED_DAY"
368     - new version of S/R GETPWHERE available with #define TRY_NEW_GETPWHERE:
369       does not go over array-bounds and therefore returns reliable output.
370     - in fizhi_driver.F & fizhi_turb.F, fix "get_alarm" calls:
371       this S/R has 4 output arguments, which are used inside "get_alarm";
372       when it is called with the same variable "ndum" in place of several
373       output arguments, this produces weird side effect inside "get_alarm"
374      (e.g., datein=dates(n) is overwritten by timein=times(n) since both
375       datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
376       address) and produces error.
377    o tools/gemake2: (March 27-29 2009)
378      with option "-mpi": link *_mpi files from "MODS" dir (this is what
379      testreport does).
380    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
381    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
382       update lab_sea.lsr & lab_sea.salt_plume results
383    o pkg/seaice:
384      Major overhaul of the LSOR solver: change discretization from original
385      finite differences to finite volume. The old routine is still in the
386      file seaice_lsr.F and can be turned on with the CPP-flag
387      SEAICE_OLD_AND_BAD_DISCRETIZATION
388      Along with this change, the discretization of the strain rates is changed.
389      The same flag turns on the old discretization in seaice_calc_strainrates.F
390      All verification experiments with seaice are affected (except for
391      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
392      results by setting the above flag.
393      Further changes involve changes in defaults:
394      - ALLOW_FLOODING is defined and turned on by default
395      - SEAICEadvSnow = .true. is now the default
396      - SEAICEadvSalt = .true. is now the default
397      - SEAICEadvAge  = .true. is now the default
398      - SEAICE_clipVelocities  = .false. is now the default
399                                         (as per J. Zhang's recommendation)
400      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
401        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
402      - seaice_growth: replace computation of UG by a simple copy from wspeed
403    
404    checkpoint61k
405    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
406      seaice_lsr: fixed a few metric terms,
407                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
408                  add more debugging diagnostics
409      seaice_evp: removed superfluous many metric terms of FV discretization
410                  of stress divergence
411                  affects lab_sea, lab_sea.hb87
412      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
413                  of stress divergence for non-evp solver
414                  (this part is not tested anywhere)
415      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
416                  they were effectively only half slip
417                  affects lab_sea.hb87
418      updated all relevant verification experiments (except lab_sea//output_adm.txt
419        which was left over, but fails at level 7 & 6)
420    
421    checkpoint61j
422    o pkg/seaice: turn a few hard wired parameters into run time parameters
423    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
424      time in seconds as promised by the usints in seaice_monitor and exf_monitor
425    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
426      that are not cubed-sphere grids
427    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
428    o pkg/ctrl:
429      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
430    o non-hydrostatic (calc_gw.F):
431      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
432      update output of exp. global_ocean.cs32x15.viscA4
433    o remove backward compatibility for thetaMin,phiMin
434      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
435    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
436      interpolated wind field not only for curvilineargrid=.true., but also
437      for a rotated grid (rotateGrid=.true.)
438    o pkg/exf: add capability to bypass interpolation for runoff
439      by setting yet another CPP-flag
440    o eesupp/src, B-grid exchange:
441      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
442    o autodiff
443      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
444      allows to switch to single-prec common blocks;
445      corresponding switch occurs in tamc.h, integer isbyte
446      TAF store directivs "byte" and "kind" seem equivalent;
447      Most tamc.h have been updated correspondingly.
448    
449    checkpoint61i
450    o autodiff:
451      fix autodiff_sore/_restore indices for obcs
452      (spotted by I. Hoteit, M. Mazloff)
453    o pkg/autodiff, pkg/ctrl:
454      Add flag to reduce all tapelev I/O to single-prec.
455      In data.ctrl set
456        doSinglePrecTapelev = .TRUE.
457    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
458      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
459    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
460      real fresh water flux (not yet)
461    o pkg/mdsio & rw:
462     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
463     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
464    o pkg/flt:
465     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
466       init_fixed & ini_varia.
467     - clean-up & simplify linear interpolation S/R:
468       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
469     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
470     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
471     - add vert. coordinate & horiz. indices to output files.
472     - change vertical position in initial condition, from index to depth [m].
473     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
474       (easier to get to a curvilinear grid) ; delX,delY no longer used.
475    o pkg/ggl90: a few modifications:
476     - fix bottom boundary condition, and interpolation of KappaE
477       near top and bottom
478     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
479     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
480     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
481    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
482      (maintain temporary backward compatibility, until next checkpoint)
483    
484    checkpoint61h
485    o pkg/diagnostics with "periodic averaging diagnostics":
486      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
487    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
488    o pkg/obcs: fix loop ranges for balancing code
489    o pkg/flt:
490     - improve criteria for finding which tile owns a float.
491     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
492    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
493      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
494      with ocean biogeo)
495    o pkg/flt:
496     - do some cleaning and fix the restart ;
497     - add output.txt in flt_example/results to get this pkg tested.
498    o genmake2: add an EXTENDED_SRC option and flag.
499       for now, cannot be turned on on command line (only through genmake_local)
500    o pkg/mdsio: read/write vector:
501     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
502     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
503       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
504     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
505      (drop to 4 digits matching for grad). But this test does not look very
506      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
507    
508    checkpoint61g
509    o pkg/flt:
510      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
511       + make OPTIONS file more standard.
512      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
513      - fix _BYTESWAPIO CPP-Flag
514      - standard reading of file-parameter "data.flt"
515      - fix argument list of S/R FLT_RESTART
516      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
517    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
518    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
519      a still unfixed compiler/optimization bug
520    
521    checkpoint61f
522    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
523      update results of global_ocean.cs32x15.icedyn test.
524    o move getcon.F from model/src to pkg/fizhi.
525    o pkg/exf: add parameter for extrapolation of temp up to the surface
526       and option to prevent negative evap (in bulk_largeyeager04 only).
527    o Prather Advection scheme: fix tracer conservation for divergent flow
528      (e.g., when using NonLin Free-Surface).
529    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
530    o gmredi (Visbeck-variable-K):
531     - add more parameters to Visbeck-variable-K.
532     - use a 5 points average for dSigmaR in Visbeck-K calculation
533       (more "homogenous": same stencil and same weights as in dSigmaH)
534     - update output of ideal_2D_oce experiment.
535    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
536      (#undef REAL4_IS_SLOW)
537     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
538       coordinate variable
539     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
540       (surface forcing fields), removes some of the functionality
541     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
542     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
543       probably not all: copy _RS surface flux fields to RL field before
544       calling DIAGNOSTICS_FILL
545     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
546       real*4 (CALL EXCH_*_RS) versions.
547     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
548       (generate new output).
549    
550    checkpoint61e
551    o gmredi (Visbeck-variable-K):
552      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
553      - change computation of Visbeck-K where Slope > Smax :        
554        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
555        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
556    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
557      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
558    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
559    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
560      does not become too large (to avoid precision problems in implicit-diffusion
561      solver); update ideal_2D_oce output.
562    o pkg ggl90:
563      - in ggl90_cal.F: compute only one set of visc/diff, used to
564        step forward TKE/T/S/momentum
565      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
566        have Prandlt =1)
567    o gmredi (fm07):
568      - add lower limit on Transition layer thickness + lower limit on 1/lambda
569      - allow to set few more params from data.gmredi
570    o pkg ggl90:
571          - add missing sqrt(2) factor in computation of mixing length
572            scale in ggl90_calc.F
573            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
574    
575    checkpoint61d
576    o adjoint modifs
577      - adapt to new field rhoInSitu
578      - allow to revert from StoreDynVars2D, StoreDynVars3D
579        to individual fields
580        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
581    o store 3-D (in-situ) density in commom block (DYNVARS.h)
582     - save 1 rho computation.
583     - no longer modify T & S inland when using down_slope pkg.
584    o gad_som : allow to switch to SOM advection for T & S without corresponding
585      pickup files (using new S/R: MDS_CHECK4FILE).
586    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
587      (for useSingleCpuIO to work in multi-threaded)
588    o pkg/shelfice:
589     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
590       with SHELFICEtopoFile in data.shelfice
591     - move code for reading ice shelf topography and modifying hFacC into separate
592       subroutines of the shelfice package
593     - separate initialisation of "fixed" and "variable" variables
594     - kTopC is not (yet) replaced by kSurfC, although this is possible
595    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
596    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
597      and rename:
598      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
599      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
600    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
601    
602    checkpoint61c
603    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
604      to add mass source/sink of fluid in the interior (3-D generalisation
605      of oceanic real-fresh water flux).
606    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
607    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
608    o new pkg: down_slope
609      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
610      - presently, modify T & S inland (dwnslp_calc_rho.F).
611        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
612      - implementation for ocean in P-coords not tested.
613      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
614    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
615      (to facilitate conversion of oceanic pkg to p-coordinate).
616    o change FIND_RHO to FIND_RHO_2D :
617      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
618    o new pkg: cheapaml
619    
620    checkpoint61b
621    o exch2:
622      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
623      - no longer depend on the order sequence (N,S,E,W).
624      - 3rd exchange no longer needed (tested with 24 tiles).
625      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
626      - exch_UV_A-grid readily available (but not yet tested).
627      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
628      (both are no longer needed) in exch_uv: no effect in forward run; but
629       get truncation error differences with adjoint exch.
630    o exch2:
631     - change index-bounds storage (moved from target to local tile,
632       more intuitive this way) ; rename/remove some variables.
633     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
634    
635    checkpoint61a
636    o exch2/matlab-topology-generator:
637      fix bug in index bounds for N-S internal exchange (hard to tell if this
638      had any effect on the solution).
639    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
640      is exceeded
641    o testreport: modify syntax of awk, so that it works also with
642      awk, and not only with nawk and gawk
643    
644    checkpoint61
645    o autodiff
646      Change default for TAF usage by removing argument '-nonew_arg'
647      This changes TAF subroutine argument list (ordering of active var.)
648      Omission of this flag leads to incompatibility w.r.t. TAMC
649      To restore TAMC-compatibility, need following modifs:
650      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
651      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
652      Tested TAF version is 1.9.22
653      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
654    
655    checkpoint60
656    --->>> This is the last checkpoint for which generating the adjoint
657    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
658    --->>> by default.
659    --->>> Future checkpoints will ommit this flag by default.
660    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
661    o pkg/grdchk: Add gradient check to etan0 perturbations.
662    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
663    o pkg/autodiff: more flexibility in zeroadj.
664      model/src: modifying do_oceanic_phys.F accordingly.
665    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
666    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
667      special setup of gmredi for which the adjoint is stable
668      enough for parameter optimization.
669    o bridging the gap between eddy stress and GM.
670      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
671          along with a change in CPP option (now ALLOW_EDDYPSI).
672      -> when using GM w/ GM_AdvForm:
673          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
674          is applied either in the tracer Eq. or in momentum Eq.
675          depending on data.gmredi (intro. GM_InMomAsStress).
676      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
677      The key modifications are in model/src/taueddy_external_forcing.F
678      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
679    
680    checkpoint59r
681    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
682      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
683      fix option to read coriolis(@ cell-corner) from files with CS-grid.
684    o pkg/mnc: add some attributes to standard 1D-coordinate variables
685    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
686      mass points, when using mnc for output
687      - add runtime parameter (missing_value, missing_value_int) to override
688        default (which is the value of getcon('UNDEF'))
689    o pkg/mnc: prepare mnc for the actual use of missing values with the
690      diagnostics package: small fix in mnc_cw_readwrite.template and more
691      initialisation of never used fields
692      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
693      versions
694    o pkg/thsice/thsice_ini_vars.F added default initial values so that
695      thermodynamics sea ice solver does not blow up when some initial fields
696      are missing.
697    o move from external_forcing_surf.F to ini_forcing.F
698      the p-coord. hack consisting in using pLoad to set phi0surf ;
699      update output of tutorial_global_oce_in_p (affected @ truncation level).
700    o Freshen up a bit hs94.1x64x5, notably:
701      remove rotationPeriod and tRef=5*0. (adjoint only), and add
702      exactConserv=.TRUE.
703    o pkg/generic_advdiff:
704      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
705      applies to files where Temperature & Salinity 2nd Order moments are used.
706    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
707      this uses a dynamically allocated internal state data structure
708      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
709      and requires a fortran 90 compiler
710    
711    checkpoint59q
712    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
713       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
714    o Refresh tutorial_global_oce_biogeo, notably:
715      - change bathymetry (put back seamounts in ACC, use hFacs)
716      - change EOS (POLY3 --> JMD95Z)
717      - use Bryan-Lewis vertical diffusivity
718      - use multidimensional advection
719      - remove old virtual virtual in dic pkg, now done through ptracer pkg
720      - change a couple of parameters in dic pkg
721    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
722    o pkg/obcs: change default to OBCSfixTopo = .true.,
723      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
724      - replace "debugMode" with "debugLevel .GE. debLevB"
725    o implementation of TAF directives for gchem,cfc,dic
726    o remove "exp5" (replaced by tutorial_deep_convection).
727    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
728      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
729      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
730      --> changes results in exp4, seaice_obcs
731    o tutorial_deep_convection :
732      update the set-up and increase resolution and domain size ; start
733      from pseudo initial conditions = output at t=120mn in order to see
734      something happening when running testreport.
735    o pkg/seaice: add os7mp as an advection scheme
736                  add check for advection schemes
737                  add a flag for restoring T and S underneath sea ice
738    o pkg/my82: add netcdf-support and diagnostics
739    o thsice pkg:
740      - Now hsMax limits snow height by turning it into ice following
741        flooding scheme (and now conserving energy)
742      - Slight rewriting of the formula in thsice_calc_thick.F
743      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
744      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
745    
746    checkpoint59p
747    o gchem / dic / cfc :
748      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
749      - add new parameter files: "data.dic" & "data.cfc" ;
750      - various re-arrangement in initialisation & header file ;
751      - fix tutorial_global_oce_biogeo for multi-threaded test.
752    o pkg/dic: test for "pickup_dic" file when restarting ;
753      if no pickup-file, can restart with a re-initialised pH (same as it did
754      before) providing pickupStrictlyMatch is set to False.
755    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
756      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
757    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
758      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
759    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
760     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
761       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
762    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
763       scheme to use for vorticty-term ;
764     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
765       (with default selectVortScheme, return to original discretisation)
766     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
767    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
768    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
769      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
770      also fix diagnostics VISCAHW & VISCA4W.
771    
772    checkpoint59o
773    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
774    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
775      move a few statemens out the main loop into separate loops
776    o pkg/shelfice:
777      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
778        (kg/m^2/s), does not break tests, because in verification/isomip,
779        rhoConstFresh=rhoConst (by accident)
780      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
781      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
782        new file model/src/seawater.F, so that they are available for all pkgs.
783      - convert potential temperature into in-situ temperature. This changes the
784        isomip tests => update tests
785    o add a flag writePickupAtEnd (default=true) to be able to suppress
786      writing a pickup at the last timestep
787    o tools/mpack-1.6 :
788      - disable automake (not working) and autoconf (not needed).
789      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
790        also cleaner with much less compilation warnings.
791    o pkg/profiles:
792      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
793      (for "less than 32 characters name" compiler requirement)
794    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
795      conditions that have a different sampling frequency than S/T/U/V obcs
796    o pkg/diagnostics (stats-diags):
797      - fix global Min/Max in case 1 processor get only empty tiles
798    o genmake2: replace (4 times)
799         make genmake_tc_1.o >> genmake_warnings 2>&1
800      with
801         COMM="$CC $CFLAGS -c genmake_tc_1.c"
802         echo $COMM >> genmake_warnings
803         $COMM >> genmake_warnings 2>&1
804      to make genmake2 always see the value of CC as specified in the optfile.
805    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
806      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
807      - modify verification advect_cs test to test SOM-advection on CS-grid.
808    o pkg/ctrl:
809      - Rewrite of ctrl_map_ini_ecco.F,
810        introducing a generic routine (ctrl_map_ini_gen.F).
811      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
812    
813    checkpoint59n
814    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
815      number in dedicate array "hdiag":
816      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
817        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
818      - many small changes (integer format) for large number of diagnostics
819      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
820        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
821    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
822      usingSphericalGrid, this allows to define the rotated grid coordinates
823      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
824      geographical coordinates according to the inverse of the rotation defined
825      by the Euler angles, so that Coriolis parameter and online-interpolation by
826      exf works with the geographical coordinates on XC/YC/XG/YG.
827      Naturally, this feature does not work with all packages, so some
828      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
829      profiles), because there the coordinates are assumed to be regular
830      spherical grid coordinates.
831    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
832      - introduce isopycnal diffusion coefficient control.
833    o tools/adjoint_options:
834      - additional control vector components.
835    o pkg/mnc: have mnc create marginally meaning full coordinate variables
836      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
837    o pkg/mypackage:
838      - add example of read/write pickup for state-var ;
839      - add entry points to the main code for state-vars diags & write-pickup.
840    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
841      transitions for useExfYearlyFields
842      - add new subroutine that determines the file to read from for
843        use*YearlyFields = .TRUE. and .FALSE.
844      - add a verification experiment to global_with_exf that tests
845        useExfYearlyFields with USE_EXF_INTERPOLATION defined
846    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
847      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
848      subroutines (which could be generated from a template, because they are
849      almost identical), for now they are included in obcs_prescribe_read.F for
850      simplicity
851    o pkg/exf:
852      - add a little more diagnostic to exf_interp_read (in analogy to
853        mds_read_field, can be turned off with debugLevel < debugLevA=1)
854      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
855        ugly but fast by unrolling short inner loops, inserting a unroll=8
856        directive in routine lagran, and splitting a loop and making do while the
857        outermost loop (the latter requires the intoduction of index arrays)
858    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
859    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
860      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
861    o verification/seaice_obcs: updated for restart test and latest options
862    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
863      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
864      for now this is only available for the C-grid code and also within
865      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
866    
867    checkpoint59m
868    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
869      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
870    o gad_som : fix flux output (& diagnostics) to have same units as other  
871      advection scheme fluxes (was previously multiplied by deltaT).  
872    o added verification/seaice_obcs both to test seaice open boundaries
873      and to provide an example matlab scrpt for generating them
874    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
875    o pkg/salt_plume: clean up salt_plume_frac.F to
876      remove redundancy in PlumeMethod 1 and 4
877    o pkg/kpp: added saltplume diagnostics
878    o pkg/obcs and pkg/seaice:
879      - do not set uice and vice to zero when OB*icefile are unspecified
880      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
881      - moved seaice tracer obcs after call to seaice_growth
882    o pkg/salt_plume: added various options for salt plume depth
883      criterion and for vertical distribution of the salt
884    
885    checkpoint59l
886    o pkg/ptracers: new version of ptracers pickup:
887      read meta file and write only fields which are needed to restart.
888      ( same logic as main pickup file ; also using pickupStrictlyMatch )
889    o pkg/seaice:
890      - add timescale for melting due to warm mixed layer as a means of
891        setting SEAICE_availHeatFrac more conveniently
892      - add a CPP-flag/runtime parameter check for flooding algorithm
893      - reformulated availHeat in seaice_growth.F to be independent of AREA
894    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
895      unit changes
896    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
897    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
898      SX vector computer.
899    o pkg/seaice:
900      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
901        seaice forcing fields can now be read only through pkg/exf
902      - removed some unused halos
903    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
904    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
905      or U/VICE from U/VWIND before computing U/VSTRESS
906    
907    checkpoint59k
908    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
909      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
910    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
911      all experiments pass when compile with un-initialised var. checking option.
912    o added pkg/salt_plume
913    o script to test restart (for now, in MITgcm_contrib/jmc_script)
914    o pkg/seaice: new read/write pickup version.
915      read meta file and write only fields which are needed to restart.
916      ( same logic as main pickup file ; also using pickupStrictlyMatch )
917    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
918    o lab_sea.hb87: modify the domain & update output.hb87.txt :
919      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
920      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
921      process. Fixed here by closing the domain at the Northern boundary.
922    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
923    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
924      a set of consecutive levels in/from a 3-D array.
925    o pkg/ptracers:
926      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
927      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
928    
929    checkpoint59j
930    o in pkgs: dic, obcs, offline, rbcs:
931      standard way to compute coeff. for time interpolation between 2 time reccords
932      which retains full precision (& make results less dependent on compiler).
933      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
934    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
935      packages instead of reading ice cover and wind speed separately
936    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
937     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
938      to allow to compile customized code before the update)
939    o cleaning-up:
940      - fix CPP instruction syntax in pkg/obcs
941      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
942        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
943      - fix some threads issue in IO parts.
944    o pkg/dic:
945      - add tons of "_d 0" (--> much better testreports !)
946       and then update outputs of tutorial_global_oce_biogeo
947    o pkg/mom_fluxform:
948      add a special version of momentum advection intended to conserve momentum
949      next to a bathymetry step or a coastline edge. (default = off = #undef)
950    o new read/write pickup version:
951      - for now, only implemented for main (mdsio) pickup file.
952      - write out only what is needed to restart; merge pickup_nh , pickup_ph
953        and main pickup together.
954      - read meta file; read only what is needed to restart; stop if a field
955        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
956        if it make sense (even if the restart is not perfect).
957      - if no meta file, assume that pickup to read corresponds exactly to
958        a pickup that would currently be written.
959      - read pickup written in the old format (until checkpoint59i) if it
960        recognizes an old meta file (no field-list).
961      - add a meta file in exp. which starts from a pickup: 2 cases:
962        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
963         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
964        b) a meta file describing the content of the associated pickup file
965         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
966    o pkg/mdsio & pkg/rw:
967      - new routine to read a meta file ; new set of routine to read
968        Multiple-fields file (with meta file).
969    o added open boundary conditions capability for seaice
970        HSNOW, HSALT, UICE, and VICE
971    
972    checkpoint59i
973    o adjoint:
974      * fix multiDimAdvection adjoint
975        (partial recomputation problem by TAF for fVerT(:,:,kDown)
976        and comlev1 size definition (maxpass vs. max. number of tracers)
977      * verification/global_ocean.90x45x15 adjoint now tests
978        NLFS and multiDimAdvection using DST3 (=30)
979      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
980    o pkg/kpp: add "_d 0" to real constant (if missing);
981      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
982      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
983    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
984      for internal parameters related to restart process (formerly from PARAMS.h)
985      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
986    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
987      as argument. (only atm2d & obcs write_pickup have not yet been updated)
988    o pkg/monitor:
989      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
990      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
991      - account for deep Atmosphere factor and density factor (anelastic)
992    o added open boundary conditions capability for seaice HEFF and AREA
993    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
994      thermodynamics
995      - requires a little reorganization, which affects the testreport results
996        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
997        so that now the conservative form is tested
998      - add a few comments
999    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
1000    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
1001    o add new diagnostics to seaice: advective, diffusive fluxes (only for
1002      multidim-advection, for scheme 2 they are not filled) and transports,
1003      thermodynamic growth rates
1004    o change units of EmPmR (inside the code, + within coupling interface)
1005      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
1006      Affects results @ truncation level (cg2d match) and update output of
1007       experiments: lab_sea(6), global_ocean.90x40x15(10),
1008      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
1009      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
1010      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
1011      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
1012    
1013    checkpoint59h
1014    o pkg/exf:
1015      - improve vectorization by moving if-statement out of loops in
1016        exf_mapfields, exf_radiation
1017      - exf_bulkformulae.F: introduce 2D fields and vectorize code
1018    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
1019    o testreport:
1020      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
1021        monitor & update offline_exf_seaice exp. output.
1022      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
1023    o pkg/seaice:
1024      - bug fix in the evp solver: boundary conditions were affected be
1025        masking of zMax/zMin (changes results)
1026      - minor bug fix in boundary conditions in seaice_calc_strainrates
1027        (changes results for no_slip)
1028      - seaice_lsr.F: make interpolation of eta dependent on boundaries
1029      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
1030      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
1031        stress formulation and no-slip boundary conditions
1032    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
1033      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
1034    o pkg/seaice: a first HSALT time stepping equation has been checked in
1035    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
1036      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
1037      without requiring DO-IF statements
1038    o pkg/thsice:
1039      use continuous power-law function for partition of energy between lateral
1040      melting/freezing and thinning/thickening ; old code using step function
1041      still available with #undef THSICE_FRACEN_POWERLAW
1042      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
1043    o testreport: change AD testing : check against results/output_adm.txt
1044      using same scripts as for forward test.
1045    
1046    checkpoint59g
1047    o adjoint testing: in preparation for changing testreport:
1048      - output format: cost and grad written on separated lines
1049      - ad output results in directory "results" (instead of "results_ad")
1050    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
1051    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
1052    o pkg/ecco: allow user defined cost function contributions
1053    o testreport:
1054      Allow to choose (per experiment) the list of tested output variables
1055       and the main variable (used to issue a pass/FAIL ) ;
1056      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
1057      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
1058      Also modify printing of summary:
1059       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
1060       b) echo the list of tested variables in the individual summary.txt of
1061          each experiment.
1062    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
1063      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
1064      (but still depend on the tile decompostion of the domain).
1065    o pkg/seaice: change a discretization detail to make the B-grid code
1066      "more symmetric". This change is likely to remove all "ridges/leads" that
1067      where quasi-aligned with the grid in B-grid solutions. It may also be
1068      the solution to the stress coupling issues with the B-grid.
1069    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
1070      remove .cvsignore from input dir. (since testreport no longer run here).
1071    o pkg/thsice:
1072     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
1073     - fix reshaping of sea-ice just after advection:
1074       melt all the ice only if ice-volume is too small.
1075     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
1076       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
1077     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
1078    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
1079      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
1080    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
1081      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
1082      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
1083      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
1084      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
1085      -> update output.txt
1086    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
1087     this affects truncation error: -> update output.txt of exp:
1088      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
1089      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
1090    
1091    checkpoint59f
1092    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
1093    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
1094      a bounded range (in forward mode)
1095    o pkg/ecco, ctrl, autodiff and mom_common:
1096     internal parameter controls, completements of implementations
1097    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
1098    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
1099      (not seem any difference in testing results).
1100    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
1101       at face corners.
1102    o pkg/generic_advdiff:
1103     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
1104      loop range indices for computing vertical advection tendency
1105      and do the calculation in the interior only (no overlap) ;
1106      for now, only implemented for SOM advection (to save CPU time).
1107     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
1108    o exch2 adjoint
1109      First set of changes:
1110      - add exch2 hand-written adjoint templates
1111      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
1112        This will require cleanup in pkg/autodiff/*.F
1113        (changed routines currently kept separate in verif. code/)
1114      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
1115        that used to hide exch2 or cubed-sphere specific code
1116        (commented via 'cph-exch2')
1117    o pkg/seaice
1118      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
1119    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
1120       output of global_ocean.cs32x15.thsice .
1121    
1122    checkpoint59e
1123    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
1124      for B-grid vector (not yet tested) and C-grid vector (<- only used
1125      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
1126    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
1127      (#ifdef ALLOW_SALT_PLUME)
1128    o gather_2d/scatter_2d: removed halo regions
1129    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
1130      scheme and the corresponding test case (under front_relax dir). For now,
1131      only available with Skew-flux form and not yet tested in realistic set-up.
1132      adjoint: store directives updated, but gradient checks deteriorated,
1133      so maybe GM/Redi adjoint is now broken.
1134    o seaice adjoint
1135      * add AREA, HEFF, HSNOW as control variable
1136        (should not change lab_sea results)
1137      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
1138    o pkg/seaice:
1139      * added computation of saltFlux in seaice_growth;
1140        For time being, sea ice salinity is assumed constant
1141        contribution of snow flooding to freshening of sea ice is neglected.
1142        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
1143        defaults to 0.0 in order to maintain backward compatibility.
1144        Typical values for SEAICE_salinity are 4 to 10 g/kg.
1145      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
1146      * added SEAICE_availHeatFrac, which specifies fraction of surface level
1147        heat content used to melt or grow ice
1148      * commented out cap of HICE: it helps keep ice thinner
1149      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
1150      * applied OBCS T/S mask to HEFFM sea ice mask
1151    
1152    checkpoint59d
1153    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
1154     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
1155     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
1156    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
1157     and change default value of parameter "GM_Small_Number";
1158     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
1159       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
1160       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
1161    o pkg/ecco: cost function when applying pkg/smooth to controls
1162    o pkg/ctrl: add forcingPrecond run time parameter
1163    o pkg/seaice:
1164     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
1165     - fix bug in metric terms of u-equation in LSR solver (implicit part),
1166       changes verification/lab_sea
1167     - rearrange implicit part of u-equation in LSR solver to make it easier to
1168       read, understand, and debug. This causes changes at the truncation level.
1169     - fix (serious) bug in the boundary conditions (sign error in the implicit
1170       part) of the LSR solver. Changes all LSR results.
1171     - fixed problem with HSNOW initialization to avoid thick snow when AREA
1172       is initilized with small values - does not change lab_sea results.
1173     - added HsnowFile initialization capability
1174    o pkg/smooth: addition to model/src and pkg/ctrl so allow
1175     initialization of pkg/smooth and application to control vector
1176    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
1177    o dependencies: pkg/profiles requires pkg/cal
1178    o pkg/profiles:
1179     - added option ALLOW_PROFILES_GENERICGRID
1180         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
1181         that interpolation information (grid points and coefficients) is provided
1182         within the netcdf input files.
1183         -> sample matlab scripts can be found in MITgcm_contrib/gael
1184         that allow you to prepare netcdf input files.
1185     - also modified: cleaner include statements, cleaner error print statements,
1186       cleaner stops when error, and more tests of the netcdf input files consistency.
1187    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
1188    o pkg/seaice:
1189     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
1190       requires a new routine: seaice_diagnostics_fill.F
1191     - make sure that seaice does not move if not forced (pressure replacement
1192       method, Hibler and Ip, 1995), changes results
1193     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
1194     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
1195       It is turned off by default (=-1.), because it changes the results.
1196     - make it possible to read AREA from a file, too.
1197    
1198    checkpoint59c
1199    o add S/R and diagnostics for oceanic mixed-layer depth
1200    o move GMRedi call after all vertical mixing schemes (including KPP)
1201    o pkg/thsice:
1202     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
1203      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
1204    o pkg/obcs:
1205     - bug fix for balance code
1206    o pkg/seaice:
1207      - allow values of SEAICE_elasticParm > 1
1208      - add new parameter SEAICE_evpTauRelax as an alternative
1209        to SEAICE_elasticParm
1210      - make lsr boundary conditions free slip (by default), changes result
1211      - add code for no slip boundary conditions for lsr
1212      - set minimum of zeta to zero (and not 4e8) (changes results)
1213      - add a cap on AREA after advecting AREA if seaice_growth is not called
1214    o change calculation of Visbeck K:
1215      - no longer depend on tapering scheme; instead, compute slope (limited
1216        by GM_maxSlope). this is equivalent to what was comuted before with
1217        clipping or linear tappering.
1218      - fix vertical averaging (wrong by 1/2 level)
1219      - leave the old version (but will not be maintained) within
1220        #ifdef OLD_VISBECK_CALC / #endif
1221      - update output of exp. ideal_2D_oce
1222    o change error catch in calc_r_star to improve vectorization
1223    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
1224      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
1225    o adjoint:
1226      Re-organized adjoint checkpointing according to Matt Mazloff
1227      (but with modifs/completions/cleanups)
1228      Storing is now bundled into large arrays to optimized I/O
1229      (and second step in cleanup of the_main_loop)
1230    
1231    checkpoint59b
1232    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
1233      - export/import (between ocean & coupler) fields needed for ocean DIC.
1234    o pkg/seaice:
1235      - get rid of three more exchanges seaice_calc_viscosities (required
1236        different loop boundaries in seaice_lsr and seaice_ocean_stress)
1237      - bug fix in seaice_ocean_stress (update of lab_sea required)
1238      - reduce loop boundaries to necessary minimum also in seaice_evp
1239      - go back to the old way of computing deltaC/Z as the adjoint likes that
1240        better
1241    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
1242      passive tracer to an Age Tracer) + update output.txt
1243    o pkg/exf:
1244      - implement A-grid / C-grid selection for wind-stress input files.
1245      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
1246      for now, in exf_bulk_largeyeager04.F only :
1247      - change implementation for case where windspeed + 2. components wind-stress
1248        are read-in. AND use rhoConstFresh to convert evap.
1249    o pkg/seaice:
1250      - use correct EXCH_UV for wind-forcing (on A-grid).
1251      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
1252        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
1253    o pkg/exf:
1254      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
1255      EXF_INTERPOLATION:
1256      - merge global_with_exf/code version of exf_interp_read.F
1257        to the main code ;
1258      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
1259        reading the file ; Important: This options needs to be defined to recover
1260        previous code.
1261        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
1262      - no longer loose real*8 precision along the way when using exf_iprec=64.
1263    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
1264      - change discretisation of evp-solver in order to avoid another exchange
1265        (changes lab_sea) and clean up a little
1266      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
1267        help the adjoint (this also changes the results slightly)
1268      - add a few "_d 0" where they had been missing in seaice_evp.F
1269      - cleaning up: remove unused seaice_calc_rhs.F
1270    o pkg/exf: some cleaning-up:
1271      - change various "constants" into runtime parameters
1272      - cleaned-up Large&Yeager04 routine which should eventually
1273        replace exf_bulkformulae.F (changed names of S/R and CPP)
1274        and merged various ALLOW_ATM_WIND options
1275     only used with thsice pkg (in thsice_get_exf.F):
1276      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
1277        which are used when useStabilityFct_overIce=TRUE (= the default)
1278      - change default values of ice & snow emissivity and scale downward LW
1279        by ice & snow emissivity.
1280    o pkg/thsice:
1281     fix few little problems, in thsice_calc_thickn.F:
1282      - growth vertically (and not laterally) if iceFrac == iceMaskMax
1283      - melt only laterally if hIce < hThinIce (as the comments say)
1284      and in thsice_extend.F:
1285      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
1286      - start to form ice as soon as the minimum ice-volume is reachable.
1287     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
1288      and cpl_aim+ocn
1289    o pkg/kpp
1290     - move computation of surface related input fields to KPP into a new
1291       subroutine kpp_forcing_surf.F
1292     - remove wrong (within bi,bj loops) EXCH calls.
1293     - little cleaning (add argument myThid in last position, cvs header ...)
1294     - for now, fix conservation problem by exchanging KPPviscAz (may not
1295       be the best fix)
1296    o pkg/seaice
1297     - check for inconsistent evp parameter/cpp-flag combination
1298     - remove leftover errIO flat for obsolete name list error handling
1299    o OpenAD
1300     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
1301    
1302    checkpoint59a
1303    o pkg/seaice: some parameter clarifications and a little bit of clean up
1304    o pkg/thsice: rename run-time parameters:
1305       himin       -> hIceMin
1306       himin0      -> hThinIce
1307       hihig       -> hThickIce
1308       i0          -> i0swFrac
1309       transCoef   -> bMeltCoef
1310       frac_energy -> fracMelting
1311      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
1312       with default values (for now) that do not change the results.
1313      remove old version of thsice vars advection in pkg/seaice.
1314    o in FFIELDS.h:
1315      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
1316      - make pLoad & sIceLoad always available (but still only used if
1317         ATMOSPHERIC_LOADING is #define).
1318    o pkg/kpp: replaced _KPP_RL with _RL
1319    o bug fixes for vertical diffusivity computations when both KPP and
1320        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
1321        are no longer updating the vertical diffusivity array
1322        (passed as argument) but are (re-) setting those arrays.
1323    o pkg/seaice: fix bug in evp solver, while doing that
1324      - change (improve?) discretization of stress computations for both
1325        cgrid-lsr and evp solver
1326      - add a new routine to compute strain rates
1327      - the above changes lab_sea results
1328      - add no slip conditions for evp solver (off by default), lsr-version
1329        may follow
1330      - fix exchange for shear at Z-points (does not change lab_sea)
1331      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
1332        (to force the user to pick a time step since there is not "safe" way
1333        of choosing it)
1334      - add principal stress diagnostics
1335      - rearrange fields for evp a little to avoid having to call a: too many
1336        exchanges and b: exchanges for stress trensor components which we do
1337        not have.
1338      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
1339        of evp, complete rewrite for lsr case (latter is does not yet work
1340        in all cases)
1341    o pkg/kpp: add code to have mixing in shelf ice caverns
1342      - add myThid to all kpp routines (long overdue)
1343    
1344    checkpoint59
1345    o pkg/exf:
1346      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
1347        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
1348      - move exf header files from lower_case.h to UPPER_CASE.h ;
1349        add missing cvs Header & Name
1350      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
1351      - add namelist param. selectStressGridPosition, exf_monFreq
1352      - retire many _CLIM routines, and remove data.exf_clim
1353        + params moved to data.exf
1354        + climsst, climsss now handled by exf_set_gen, i.e.
1355          climss?period=0 refers to constant field,
1356          climss?period=-12 to monthly forcing
1357      - split up namelists in data.exf
1358    o pkg/seaice:
1359      - remove seaice_exch and seaice_exch_uv
1360      - remove superfluous exchange of theta
1361      - add myThid to seaice_budget_ocean/ice
1362      - add new interface for atmospheric wind forcing (C-grid only)
1363        + new routine
1364        + two new field (taux, tauy for stress over ice)
1365        + removed one global field (DAIRN) for C-grid case only
1366    o pkg/thsise
1367      - 2nd set of modifs for thsice adjoint in conjunction with exf
1368    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
1369    
1370    checkpoint58y_post
1371    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
1372      vertical diffusivity, similar to that in MOM4; turned on using
1373      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
1374      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
1375    o Added capability for 3D specification of background vertical diffusion
1376      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
1377      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
1378      "data" file that contains the 3D vertical diffusivity coefficients.
1379    o ice dynamics (pkg/seaice) with thsice thermodynamics:
1380      - add code within pkg thsice to advect & diffuse sea-ice fields
1381      similar to (and will replace) what has been added in  seaice_advdiff.F,
1382      but: - conserving Mass, Heat & Salt.
1383           - better when using non-linear advection scheme (not yet fully tested)
1384           - can also be used in atmospheric set-up (for now, only the diffusion).
1385    
1386    checkpoint58x_post
1387    o IO option for global-file compact format:
1388      - add options when generating topology (utils/exch2/matlab-topology-generator)
1389      - add I/O capability (pkg/mdsio).
1390      - adapt utils/matlab/rdmds.m to read this format.
1391      for now long-line format not yet supported by pkg/mdsio (& exch2).
1392    o shelfice: add a few diagnostics
1393    
1394    checkpoint58w_post
1395    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
1396      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
1397      (and replace horiVertRatio in NH code).
1398      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
1399                         and tutorial_plume_on_slope (sensitive to truncation)
1400    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
1401      directly to drive seaice model (C-grid only)
1402    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
1403     - reintroduce computation of wind from stress,
1404     - compute tau (in exf_bulkformulae.F) from windstress averaged to
1405       mass points to avoid tau = 0
1406     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
1407    o rdmnc.m: make it work with "global" files created with gluemnc
1408    o rdmnc.m : some improvements in dealing with singleton dimension
1409      (tested on all testreport mnc output files).
1410    o genmake2: disable pkg/profiles if netcdf test fails.
1411    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
1412    o move call to cal_readparms up to make calendar parameters/variable available
1413      to all packages
1414    
1415    checkpoint58v_post
1416    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
1417      useDynP_inEos_Zc tested.
1418    o pkg/exf: changes to properly interpolate/mask/scale initial fields
1419    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
1420      and portions thereof.  See read_cs.txt for description and examples.
1421    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
1422      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
1423      following the great-circle arc between those 2 points.
1424    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
1425      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
1426    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
1427     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
1428     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
1429     - still needs work (not working with some options ; efficiency to improve)
1430       and serious testing.
1431     - use this scheme for temperature & salinity in 2 advection test exp.:
1432       advect_xy & advect_xz, respectively.
1433    
1434    checkpoint58u_post
1435    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
1436    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
1437    o testreport: add option "-skipdir" to skip some test.
1438    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
1439      momentum calculation.
1440    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
1441    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
1442      remove checkpoint.F and the_correction_step.F (no longer used);
1443      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
1444    o add option (linFSConserveTr) to correct for tracer source/sink due to
1445      Linear Free surface
1446    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
1447    o pkg/thsice: fix reading mnc-pickups
1448    
1449    checkpoint58t_post
1450    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
1451    o pkg/mdsio:
1452     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
1453       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
1454       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
1455     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
1456     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
1457       either MDS_READ_FIELD or MDS_WRITE_FIELD )
1458     - new S/R (to replace MDSWRITEMETA), which allows to write more
1459       informations (variable names, time ...) to meta files.
1460     - modify rdmds.m to give back the meta file content.
1461    o pkg/diagnostics: change vertical interpolation to be safer, and more
1462       flexible (define p-levels to interpolate to in data.diagnostics);
1463      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
1464       diagnostic pointer.
1465    o pkg/seaice: more cleaning up of seaice_growth, added many comments
1466    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
1467    o fix multi-category seaice:
1468     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
1469       SEAICE_MULTICATEGORY
1470     - fix short wave heat flux
1471    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
1472       and allow to use EVP solver. Change forward lab_sea: test both EVP
1473       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
1474    o Initial check-in of lab_sea adjoint
1475      (very similar to natl_box_adjoint/code_seaice)
1476      * used C-grid and EVP solver
1477      * used KPP, GM/Redi
1478      * uses inAdExact=.TRUE.
1479      * gradient checks fail for both ADM and TLM
1480        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
1481        f.d. gradients actually seem more problematic than ADM, TLM gradients;
1482        issue is related to forward mismatch between g77 an ifort
1483    o pkg/seaice: overhaul of thermodynamics
1484     - growth.F and groatb.F are replaced by new routine seaice_growth.F
1485     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
1486     - move a few global fields out of SEAICE.h into seaice_growth.F and
1487       make them 2D (FICE/QNETO/ ...)
1488     - remove FO (it is the same as QNETO)
1489     - introduce a few local fields to avoid modifying external fields such
1490       as atemp, etc.
1491    
1492    checkpoint58s_post
1493    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
1494      changed exf_set_gen.F so that
1495        genperiod=0 means input file is one time-constant field and
1496        genperiod=-12 means input file contains 12 monthly means
1497    o CG2D: use pre-computed solver main-diagonal (stored in common block);
1498      this affects truncation error ; generate new output file for exp. which
1499      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
1500        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
1501        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
1502        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
1503        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
1504        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
1505    o start implementation of deep-atmosphere and anelastic formulation
1506    o verification: remove 2nd copy of input files and use script "prepare_run"
1507      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
1508    o mom_common/vecinv/fluxform: fix a few initialisation isssues
1509    o profiles: fix for multithreaded case
1510    
1511    o diagnostics: rename few diags:
1512      s/'PRESSURE'/'RCENTER '/g
1513      s/'TICE    '/'oceFreez'/g
1514      s/'TAUX    '/'oceTAUX '/g
1515      s/'TAUY    '/'oceTAUY '/g
1516      s/'SWFLUX  '/'oceQsw  '/g
1517      s/DIFx/DFxE/g
1518      s/DIFy/DFyE/g
1519      and add few ocean-forcing diagnostics:
1520      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
1521    o modifications to pkg/seaice/growth.F and budget.F, which change results of
1522      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
1523      as actual snow thickness.  It now refers everywhere to effective snow
1524      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
1525    
1526    checkpoint58r_post
1527    o modifications to pkg/seaice/growth.F, which change results of
1528      lab_sea experiment: fixes pertain to melting snow over open water, to
1529      masking EVAP under sea ice, and to using the correct AREA variable for
1530      computations of EVAP, PRECIP, HSNOW, and GHEFF
1531    o add ability to read bathy, salt, and theta using MNC (off by def)
1532    o add flooding algorithm and advection of HSNOW for pkg/seaice;
1533      both are turned off by default and do no change any results
1534    o seaice advection with pkg/thsice: a step toward the use of non-linear
1535      advection scheme, but #ifdef or commented out for now (requires more EXCH).
1536    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
1537      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
1538      in natl_box (affects results @ truncation level: update output.txt)
1539    o multi-threading and IO:
1540      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
1541      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
1542        (needed to work with SingleCpuIO): tested in all verif. exp.
1543    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
1544      affects the results (but none of the verification test uses this scheme).
1545    o Adding some pkg/diagnostics capability to pkg/seaice
1546      (will certainly be subject to changes)
1547    o ctrl: adding new control variables:
1548      lwflux, lwdown, evap, snowprecip, apressure, runoff
1549    
1550    checkpoint58q_post
1551    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
1552      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
1553      high_res_cube configuration by 4% on Columbia.
1554    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
1555      add (in global_with_exf/code) a version of EXF_INTERP_READ without
1556      dynamical allocation (seems to work in multi-threaded).
1557    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
1558      single CPU io) so that TAF does not have to see EESUPPORT.h
1559    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
1560    
1561    checkpoint58p_post
1562    o obcs: stop if obcs is used with useCDscheme = .true.
1563    o shelfice:
1564     - fix a sign error so that no slip at shelfice interface works
1565     - remove stop for combination non-hydrostatic code and shelfice. That does
1566       not mean, that the results are correct, but at least they are numerically
1567       stable
1568    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
1569    o added adjoint exch routined for all exch*3d* routines
1570      and updated flow directives
1571    
1572    checkpoint58o_post
1573    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
1574      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
1575    o change controling S/R for writing pickup file (new S/R do_write_pickup)
1576      and clean-up reading/writing of pickup files.
1577    o fix local version of read/write pickup (NH part) in rotating_tank/code
1578    o simplify EXCH interface:
1579     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
1580     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
1581    o added the regrid package
1582    o shelfice:
1583     - add a simple boundary layer scheme to reduce noise
1584     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
1585    
1586    checkpoint58n_post
1587    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
1588       local variable (not in common block).
1589    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
1590      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
1591      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
1592        to work with SingleCpuIO.
1593    o add "_d 0" to real constant of pkg/cfc subroutines ;
1594       update exp. cfc_exemple & tutorial_cfc_offline output files.
1595    o multi-threading and IO:
1596      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
1597        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
1598      - barrier before and after reading.
1599      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
1600      - avoid using MDS_WRITELOCAL for LAND pkg output.
1601      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
1602        common-block variables ; Allows multi-threading with master-thread IO.
1603    o change default MAX_NO_THREADS from 32 to 4 ;
1604      and stop cleanly when MAX_NO_THREADS is too small.
1605    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
1606    
1607    checkpoint58m_post
1608    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
1609       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
1610    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
1611       keep global_ocean.90x40x15 (for AD testing) with former secondary test
1612       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
1613    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
1614        add MITgcm_tutorials (= code + all the tutorials)
1615    o ecco, option to compute cost for total ssh (mean+anom)
1616    o consistent with addition of ptracer and ssh in pkg/profiles
1617    o profiles: adding ptracer and ssh
1618    o testreport: change multi-test output-file name
1619      (from output.txt.{name} to output.{name}.txt)
1620    o profiles: now ok for mutli-tiles case
1621    o seaice: add 4 parameters for different advection schemes for area,
1622      (effective) seaice thickness, enthalphy, and snow height. Their default
1623      is the standard parameter SEAICEadvScheme
1624    o calc_gw:
1625     - add cosFacU in zonal viscous flux (harmonic.visc.).
1626     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
1627       of tutorial_plume_on_slope.
1628    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
1629    o calc_gw: true flux-form, account for horizontal grid spacing.
1630      update rotating_tank results, but not plume_on_slope (affected at
1631      truncation level, 11 digits).
1632    
1633    checkpoint58l_post
1634    o calc_gw:
1635     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
1636     - remove side-drag for now (need to fix it); update plume_on_slope results.
1637     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
1638    o commit code to make SST/SSS weights spatially variable
1639      (based on either variable in-situ or variable initial T/S weights)
1640    o pkg/ecco:
1641      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
1642        now based on horizontally varying weights wthetaLev, wsaltLev
1643      * cost_averagesflags now returns year indices in addition to day, month
1644      * sflux balance is performed on annual basis
1645        (sflxumm, sfluxmm2, bal_sfluxmm)
1646      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
1647        including separate counting and multipliers
1648    o pkg/rbcs
1649      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
1650    
1651    checkpoint58k_post
1652    o testreport:
1653     - always build in dir. "build" (if not there, mkdir build instead of building
1654       & running in input)
1655     - run in dir run (if it exists), in build otherwise.
1656     - call prepare_run (if input/prepare_run exists)
1657     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
1658    o pkg/exf modifications to interpolation and rotation routines for more
1659       reasonable treatment of North Pole singularity: for tracers North Pole
1660       value is set to northernmost zonal-mean value, for zonal velocity it is
1661       set to zero, and for meridional velocity it is set to northernmost value.
1662    o pkg/exf/exf_check_range.F
1663     - add tile index to diagnostics and move stop statement to the very
1664       end of the routine.
1665    o pkg/diagnostics: (diagnostics_main_init.F)
1666      define title of isomorphic variables according to the current config.
1667    o pkg/thsice with pkg/seaice dynamics:
1668    - fix domain of computation (interior only, required for exf) and do exchanges
1669    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
1670    o towards a standard way of dealing with multi-threading in MONITOR
1671      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
1672    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
1673       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
1674    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
1675    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
1676    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
1677       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
1678    o tracer advection:
1679     - clean-up and simplify calc_common_factors.F
1680     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
1681       advection subroutine (but still not used within DST advection S/R)
1682    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
1683    
1684    checkpoint58j_post
1685    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
1686      from file (collects calls previously in FORWARD_STEP)
1687    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
1688    o adjoint store dir. adjusted accordingly
1689    o genmake2
1690      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
1691    
1692    checkpoint58i_post
1693    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
1694      on wind stress (SEAICEstressFactor defaults to 1.)
1695    o Total number of Timers is finite (<=40): comment out 2 non-essential one
1696      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
1697    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
1698      on CS-grid: no longer loosing mass.
1699    o exf & curvilinear-grid: no longer modify longitude xC & xG.
1700    o pkg/ggl90: fix sloppy output and fix a bug
1701    o pkg/seaice: added SEAICEuseEVPpickup parameter
1702      - Set to false in order to start EVP solver with
1703        non-EVP pickup files when using SEAICEuseEVP
1704      - fix sign error in diffusion in seaice_calc_rhs
1705    
1706    checkpoint58h_post
1707    * Modifications for bottom topography control
1708      o replace hFacC by _hFacC at various places
1709      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
1710      o add non-self-adjoint cg2d_nsa
1711      o update autodiff support routines
1712      o re-initialise hfac after ctrl_depth_ini
1713      o works for 5x5 box, doesnt work for global_ocean.90x40x15
1714    * Adding verification for 5x5 box (4-layer) bottom topography control
1715    
1716    checkpoint58g_post
1717    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
1718       used for mean seasonal cycle, mean diurnal cycle); add an example
1719       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
1720    o pkg/ggl90:
1721      - add parameter (minimum surface kinetic energy)
1722      - fix bug (avoiding division by zero)
1723    o couple pkg/thsice to pkg/seaice:
1724      - modify advection in seaice to accomodate new scalar fields to be advected
1725      - only muliDimAdection scheme work with seaice/thsice
1726      - mapping of thsice-variables to seaice-variables, back and forth
1727      - does not break the verification experiments, but does not give the
1728        desired results either
1729    o pkg/seaice
1730      - make (default) second order advection a bit less confusing?
1731    
1732    checkpoint58f_post
1733    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
1734      to pkg/seaice):
1735      - new routines thsice_map_exf and thsice_get_exf provide the interface
1736      - add an additional formal parameter to thsice_solve4temp
1737    o pkg/exf:
1738      - add new fields wspeed, snowprecip (to be able to couple to thsice)
1739      - correct Stefan-Boltzmann constant
1740      - new parameter for longwave surface emittance
1741      - separate some stuff from exf_bulkformulae into new routines  
1742        exf_radiation, exf_wind
1743      - add new parameters and constants: longwave emissivity for ocean, ice
1744        and snow, evaporation parameters over ice
1745      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
1746        either wind from stress or stress from wind
1747    o pkg/thSIce:
1748    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
1749    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
1750       and THSICE_CALC_THICKN
1751    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
1752    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
1753      to make debugging easier.
1754    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
1755    o pkg/bulk_force:
1756      - clean-up comments and parameters ;
1757      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
1758    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
1759      generate new output for test-experiment: aim.5l_cs.thSI
1760  o results_ad : rename "output.txt_adm" to "output_adm.txt" and change  o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
1761   testreport accordingly    testreport accordingly
1762    
1763  checkpoint58e_post  checkpoint58e_post
1764  o SEAICE_CGRID adjoint done  o SEAICE_CGRID adjoint done
# Line 1048  o add two new packages Line 2801  o add two new packages
2801    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2802    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2803      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2804      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2805  o add offline package  o add offline package
2806  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2807    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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