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revision 1.916 by dimitri, Mon Dec 3 07:45:27 2007 UTC revision 1.1170 by mlosch, Thu Oct 8 08:24:03 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 pkg/exf: added CPP option EXF_SUBTRACT_UVVEL_FROM_UVWIND for subtracting  o pkg autodiff
8    UVEL and VVEL from UWIND and VWIND prior to applying bulk formulae.    autodiff_ini_model_io: comment out writing of grid information to netcdf
9      files, because at this time the grid fields are a bunch of zeros
10      (this is analogous to ini_mnc_vars.F)
11    o pkg seaice/autodiff:
12     left-over from removing the 3-time-level fields:
13     - small rearrangement of common blocks (SEAICE.h)
14     - fix field declaration in order to get meaningful output in
15       adseaice.*.nc (adcommon.h)
16    o pkg obcs:
17     - go through NH code only if nonHydrostatic=T
18     - fix restart for Orlanski (Hydrostatic; still to fix NH+Orlanski restart)
19     - move call to OBCS_CALC before SEAICE_MODEL which needs seaice-obcields
20       => Update output of experiment seaice_obcs
21     - useOBCSbalance: code is wrong with multi-tile / proc: add a stop.
22     - fix NH+Orlanski restart (add wvel OBC value in pickup file)
23     - fix restart for useOBCSprescribe + useEXF
24    o pkg ctrl
25     - make obcs as control parameter work also with useSingleCPUio
26     - replace a few sny and snx by Ny and Nx to be consistent with
27       ctrl_set_globfld_x/yz.F
28    o pkg seaice
29     - re-introduce global field frWtrAtm for the case of
30       ALLOW_MEAN_SFLUX_COST_CONTRIBUTION defined (SEAICE.h, seaice_growth.F)
31     - catch the case of an empty filename in seaice_cost_init_fixed.F
32    o pkg ecco:
33     - small bug fixes in the_main_loop
34      . fix order of monitor arguments
35      . change SEAICE_MULTILEVEL to SEAICE_MULTICATEGORY
36      . move include DYNVARS.h up outside the ALLOW_AUTODIFF_TAMC block so
37        that ALLOW_ECCO_FORWARD_RUN works with NONLIN_FRSURF
38     - replace cos(yc*deg2rad) by _rA in cost_mean_heat/saltflux.F, fix the
39       imbalance diagnostics for wmean_h/sflux = 0
40     - add actual values to f_obcsn/s/w/e in ecco_cost_final.F
41     - catch the case of empty filenames in ecco_cost_init_fixed.F
42       and ecco_readparms.F
43     - fix the logic of wsalt=0.and.wsalt2=0 to wsalt=0.or.wsalt2=0 (and theta)
44       to make this statement meaningfull in ecco_cost_weights.F
45    o pkg zonal_filt:
46      - change ZONAL_FILTER S/R interface (allows to filter 2-D fields)
47      - when using rStar, filter uVel*hFacW instead of uVel
48       (tested without topography: fix a Pb of growing instability with NLFS)
49    o pkg/aim/thsice:
50     -Add capacity to read a Q-Flux to be applied in slab-mixed layer thsice_slab_ocean.F
51      (works as SST restoring)
52    o pkg/thsice:
53     -add specific parameter for salt restoring in slab mixed-layer
54       (by default equal to the temperature restoring)
55    
56    checkpoint61v
57    o pkg/kpp:
58     -add double diffusive contributions as a hack, turned off by default
59      for now, and the code can be excluded with a CPP-flag
60      EXCLUDE_KPP_DOUBLEDIFF just as EXCLUDE_KPP_SHEAR_MIX
61     -add a verification experiments to "vermix" to test this code
62    o pkg/mom_common:
63      Move computation of length scales to mom_init_fixed.F (avoid recomputation
64      at each time-steps*levels).
65    o pkg/layers:
66      Created a new package for computing volume fluxes in temperature or
67      [not yet implemented] density layers, e.g. for calculating residual
68      overturning circulations.
69    o pkg/diagnostics:
70      implement a RS type version for the set of DIAGNOSTICS-FILL subroutines
71    o fix few RS/RL type mismatch (check with ifort 11.1 "-warn all" option)
72    o pkg/mdsio (& pkg/rw): rework high level S/R interface:
73      To avoid mixing type (RS/RL) of input/output array argument,
74      replace single mixed-type array with a pair from each type (RS/RL).
75    o setting pickupSuff force to start from a pickup (even if nIter0=0): this
76      is now implemented for all pkgs (previously only done for the main pickup)
77    
78    checkpoint61u
79    o pkg/obcs:
80      - change OB?eta from _RS to _RL and put them into a separate commen block
81      - add code to read OB?eta from a file via obcs_prescribe_read: the code
82        compiles and does not destroy any other experiments, the data is read
83        properly, but the code is not tested in actual applications
84    o ini_mnc_vars.F: if available (ALLOW_CAL), use startTime_1 and 2 to
85      create a meaningful unit attribute for the time coordinate variable
86    o pkg/ebm: add plenty of missing "_d 0" ;
87       update results of experiment global_ocean_ebm (fwd + adjoint tests)
88      Notes: several pieces of code only works for (very) specific set up
89       (domain size, lat range, etc ...); should be documented & stop if one
90       of those assumptions is not meet.
91    o pkg/seaice: add missing "_d 0" in HSNOW initialisation
92       update results of experiments: lab_sea (3 fwd tests + 2 adjoint tests)
93          and offline_exf_seaice (seaicetd + adjoint).
94    o add missing "_d 0" in ShortWave flux penetration (S/R SWFRAC):
95       update results of experiments: lab_sea (4 fwd tests + 3 adjoint),
96        seaice_obcs, global_ocean.cs32x15 (icedyn & thsice) and natl_box (x2).
97    o few changes to pass when compiling with strick checking of arguments
98       across S/R (allow to find few bugs in S/R calls).
99    o pkg/seaice:
100     - seaice_evp: move if-statement out of loop (TEM) at the cost of 11 new
101       2d-fields, for slightly better performance
102    
103    checkpoint61t
104    o pkg/seaice:
105     - remove unused variables in seaice_evp
106     - reduce number of SQRT in seaice_evp and seaice_calc_viscosities
107    o eeset_parms.F, open_copy_data_file.F & ini_parms.F:
108       named file replacing SCRATCH files (for TARGET_BGL & TARGET_CRAYXT):
109       each processor opens a different file (a fix from Matt).
110    o cg2d:
111       use simple EXCH (overlap size = 1 and ignore corners), like in cg3d.F :
112       this reduces number of EXCH calls by 2 when using exch2.
113       For now, keep previous size array for gc2d_nsa.F to avoid Pb with store
114       directives and missing simple EXCH (exch_s3d_rx) adjoint code.
115    o pkg/thsice:
116       add code for Near Infra-Red albedo (from Jeff)
117       (turned on with run-time flag: thSIce_calc_albNIR, in data.ice).
118    o ini_model_io:
119       move (from packages_readparms.F & initialise_fixed.F) to ini_model_io.F
120       MNC & MONITOR initialisation calls; move MNC calls from {pkg}_readparms.F
121       to {pkg}_init_fixed.F for {pkg}= kpp, seaice & shelfice.
122    
123    checkpoint61s
124    o pkg/exch2 (exch2_rxN_cube*):
125       remove last BARRIER (no need to synchronise after getting data from shared
126       buffer (get) as long as any change to buffer (put,recv) is between BARRIER)
127    o change tiling of natl_box (from 2 to 4 tiles) to get it tested with MPI+MTH
128      and generate new output (for the 2 tests) using default rotationPeriod.
129    o pkg/exch2:
130      - always call exch2_*_cube, not exch-1 anymore, if useCubedSphereExchange=F
131        (was already the case with AUTODIFF_EXCH2 defined)
132      - add bj in exch2 arrays and S/R.
133      - can now use pkg/exch2 for regular (non CS) set-up; switch test experiment
134        MLAdjust to exch2 (identical results except with MPI -> truncation diff);
135    o add pkg/longstep for ptracer timestep a multiple of U/V/T/S timestep
136      - adds deltaT argument to the subroutines TIMESTEP_TRACER DWNSLP_APPLY
137        GAD_ADVECTION GAD_CALC_RHS GAD_IMPLICIT_R GAD_SOM_ADVECT
138      - verification experiment natl_box.longstep
139    o build_options: ifort+mpi_aces optfile (following Constantinos advise):
140      allow different versions of ifort (8 or 9) and different versions
141       of mpi (mpich or mpich2) to be used with the same optfile.
142      requires to load a netcdf module and set MPI_INC_DIR (see comments inside
143       optfile). Change testing scripts (example_scripts/ACESgrid) accordingly.
144    o pkg/seaice:
145      fix previous modif (3-level field removed) for old-pickup reading
146    
147    checkpoint61r
148    o pkg/seaice:
149     - clean up the 3-time levels of UICE,VICE,HEFF,AREA in three steps:
150      1. introduce fields for time step (N-1)
151      2. do not use levels 2 and 3 anymore (but keep them)
152      3. replace 3D versions of UICE,VICE,HEFF,AREA by 2D versions. This
153         includes changes to pkg/thsice/thsice_get_velocity.F,
154         model/src/external_forcing_surf.F, pkg/obcs/obcs_apply_seaice.F, and
155         pkg/obcs/obcs_apply_uvice.F.
156     - completely remove code for leap-frog time stepping for second order
157       advection
158     - adjusted adjoint accordingly;
159       gradient checks have improved by an order of magnitude!
160    
161    checkpoint61q
162    o pkg/seaice: fix bug in free slip boundary conditons for LSOR solver
163     - the boundary conditions along open boundaries are unclear, because the
164       associated masks are set to zero and are thus treated as closed when
165       applying the slip-boundary conditions.
166     - move initialisation of grid variables from seaice_init_varia to _fixed
167    o adding doc/diags_changes.txt
168    o model/src:
169      do_the_model_io: rename few pkg S/R which are called from do_the_model_io,
170       to avoid "_diags" naming if no relation to pkg/diagnostics.
171      ini_theta,ini_salt: fix (at least compile the code) reading from NetCDF
172       file and only call PLOT_FIELD_XYZ if debugMode=T.
173      remove few PLOT_FIELD_XY calls outside initialisation.
174      remove few unnecessary BARRIER.
175    o pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
176      of salt_plume package in Southern Ocean
177    o pkg/thsice:
178     - fix hOceMxL in overlap (needed for sea-ice advection);
179       update output of experiment global_ocean.cs32x15.icedyn.
180    o pkg/seaice:
181     - make the (placeholder-)tracer IceAge a little more meaningful
182      by avoiding ridging of age due to convergent ice flow
183     - add diagnostics for surface temperature, atmospheric and oceanic
184       heat flux, and atmospheric and oceanic ice growth
185    
186    checkpoint61p
187    o eesupp (global_max & global_sum):
188     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
189     - remove starting & endding barrier (no longer needed)
190    o pkg/mdsio, writelocal:
191       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
192       (remove the STOP): uses shared buffer IO to store data from all threads
193       and then let master-thread write nThreads tiles.
194    o pkg/mdsio (read/write field):
195     - tiled IO done in 1 piece (all levels at a time);
196     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
197     - multi-threaded: allow to read/write local (non-shared) array
198       (was already working with singleCpuIO ; now works also without);
199       => no longer needs barrier call after reading a file (added inside
200       mds_read/write field).
201     - move barrier calls outside gather/scatter_2d to mds_read/write_field
202    o pkg/obcs/exf
203      - exf_getffieldrec.F: add a few ". _d 0" and
204                            add code to catch the case fldperiod = 0.  
205      - obcs_precribe_read.F: change if statements so that they match
206                              the variable type (_RL)
207      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
208        exf_iprec) as part of namelist EXF_NML_01
209    o pkg/mdsio:
210      - read/write tiled (local) files: read/write 1-level tile chunk at a time
211        (instead of segment of length sNx); expected to speed up tiled IO.
212    o pkg/exch2:
213      - take buffer copy from/to array out of S/R exch2_send/recv into new
214        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
215        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
216      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
217      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
218        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
219        including Topology header file (and common blocks).
220      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
221        remove 2nd exch call in exch2_s3d_rx (no longer needed).
222      - document S/R arg. list (+ update some comments)
223    o pkg/seaice:
224      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
225        temperature and humidity over sea ice based on climatological values.
226      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
227        of LSR (this change is expected to change the results slightly because now
228        it uses slightly difference moduli from the second last LSR solution, but
229        that is more consistent with the stress computations; this part of the code
230        is not tested in the verification experiments)
231      - fix diagnostics for flux of ice in case of B-grid
232      - turn strain rates eij and press into global fields within global
233        common block in SEAICE.h for more straighforward diagnostics
234      - fix diagnostics for principal stress components, press, zeta, eta
235        to give something meaning full
236    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
237      new output (all 4 tests) using default rotationPeriod.
238    o pkg KPP:
239      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
240      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
241        and normal grid from 1 to Nr)
242    o Fix computations of L4rdt in mom_calc_visc.F
243    o eesupp:
244      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
245      should be called before a "stop" if we know that all process are going
246      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
247    
248    checkpoint61o
249    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
250    o model/src/ini_curvilinear_grid.F:
251       compute angleSin/CosC when they are not read from a file
252    o pkg/seaice:
253       add pseudo time stepping for LSOR
254    o pkg/exch2:
255       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
256    o pkg/seaice:
257       Adding separate sea ice albedo, drag coefficients, and HO in Southern
258       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
259    o SingleCpuIO:
260       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
261    o pkg/seaice:
262       put exchanged variable in (local) common block for MPI+Multi-Threads
263       to work (necessary with exch1, and for now with exch2 too).
264    o verification: to get more experiments tested with mpi, mth and mpi+mth,
265      change tiling of:
266       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
267       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
268      update output of exp:
269       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
270       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
271      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
272                       (note: output.txt generated on faulks using only 1 tile)
273    o eesupp & mdsio (SingleCpuIO):
274     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
275       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
276       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
277     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
278     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
279       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
280    o pkg/exch2:
281     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
282       read parameter file "data.exch2" if it exists; otherwise try default regular
283       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
284     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
285       with new code (not to be used, just as a backup solution).
286     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
287       in utils/exch2/input.
288    
289    checkpoint61n
290    o eesupp & mdsio (SingleCpuIO):
291      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
292        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
293        receive real*4 array (instead of real*8) to read/write 32.bit files.
294        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
295         and remove new mapping S/R)
296    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
297      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
298        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
299        when using exch2. Add S/R to map global io-buffer to global model array.
300      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
301    
302    checkpoint61m
303    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
304      and add 3 other S/R for other types (R4,R8,RS).
305      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
306    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
307     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
308     - reduce number of macro definitions (keep only those which are used);
309       can always call directly the corrresponding S/R if needed.
310     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
311       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
312     Fixed wrong type of arg in:
313       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
314       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
315     To fix: global_sum of var in common block is wrong (multi-threaded) in:
316       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
317     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
318    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
319      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
320    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
321    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
322      edges are closed (zero depth); might happen with "blank tiles";
323      for now, disabled if using OBCS.
324    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
325      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
326    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
327      to reduce length of 1.D array print in STDOUT.
328    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
329      + use 48 tiles (16x8): this will allow to test "blank tiles".
330    o start to test MPI + multi-threaded (change testreport to skip tests
331      where number of tiles do not match).
332    o genmake2: add option "-omp" to turn on Open-MP ;
333      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
334    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
335      and keep the original tile numbering. Note: compatible with old
336      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
337    
338    checkpoint61l
339    o Overlaps had been forgotten in calculating ijk keys : fixed
340    o fix cyrus makedepend for gcc 4.4
341    o experiment fizhi-cs-aqualev20:
342      switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
343      and generate new output. Note: new output is much closer to the old
344      one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
345      the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
346    o pkg/fizhi:
347     - change to avoid indices going deliberately over array-bounds
348     - remove unnecessary MPI stuff
349     - perpetual spring equinox with "#define FIZHI_USE_FIXED_DAY"
350     - new version of S/R GETPWHERE available with #define TRY_NEW_GETPWHERE:
351       does not go over array-bounds and therefore returns reliable output.
352     - in fizhi_driver.F & fizhi_turb.F, fix "get_alarm" calls:
353       this S/R has 4 output arguments, which are used inside "get_alarm";
354       when it is called with the same variable "ndum" in place of several
355       output arguments, this produces weird side effect inside "get_alarm"
356      (e.g., datein=dates(n) is overwritten by timein=times(n) since both
357       datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
358       address) and produces error.
359    o tools/gemake2: (March 27-29 2009)
360      with option "-mpi": link *_mpi files from "MODS" dir (this is what
361      testreport does).
362    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
363    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
364       update lab_sea.lsr & lab_sea.salt_plume results
365    o pkg/seaice:
366      Major overhaul of the LSOR solver: change discretization from original
367      finite differences to finite volume. The old routine is still in the
368      file seaice_lsr.F and can be turned on with the CPP-flag
369      SEAICE_OLD_AND_BAD_DISCRETIZATION
370      Along with this change, the discretization of the strain rates is changed.
371      The same flag turns on the old discretization in seaice_calc_strainrates.F
372      All verification experiments with seaice are affected (except for
373      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
374      results by setting the above flag.
375      Further changes involve changes in defaults:
376      - ALLOW_FLOODING is defined and turned on by default
377      - SEAICEadvSnow = .true. is now the default
378      - SEAICEadvSalt = .true. is now the default
379      - SEAICEadvAge  = .true. is now the default
380      - SEAICE_clipVelocities  = .false. is now the default
381                                         (as per J. Zhang's recommendation)
382      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
383        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
384      - seaice_growth: replace computation of UG by a simple copy from wspeed
385    
386    checkpoint61k
387    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
388      seaice_lsr: fixed a few metric terms,
389                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
390                  add more debugging diagnostics
391      seaice_evp: removed superfluous many metric terms of FV discretization
392                  of stress divergence
393                  affects lab_sea, lab_sea.hb87
394      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
395                  of stress divergence for non-evp solver
396                  (this part is not tested anywhere)
397      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
398                  they were effectively only half slip
399                  affects lab_sea.hb87
400      updated all relevant verification experiments (except lab_sea//output_adm.txt
401        which was left over, but fails at level 7 & 6)
402    
403    checkpoint61j
404    o pkg/seaice: turn a few hard wired parameters into run time parameters
405    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
406      time in seconds as promised by the usints in seaice_monitor and exf_monitor
407    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
408      that are not cubed-sphere grids
409    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
410    o pkg/ctrl:
411      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
412    o non-hydrostatic (calc_gw.F):
413      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
414      update output of exp. global_ocean.cs32x15.viscA4
415    o remove backward compatibility for thetaMin,phiMin
416      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
417    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
418      interpolated wind field not only for curvilineargrid=.true., but also
419      for a rotated grid (rotateGrid=.true.)
420    o pkg/exf: add capability to bypass interpolation for runoff
421      by setting yet another CPP-flag
422    o eesupp/src, B-grid exchange:
423      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
424    o autodiff
425      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
426      allows to switch to single-prec common blocks;
427      corresponding switch occurs in tamc.h, integer isbyte
428      TAF store directivs "byte" and "kind" seem equivalent;
429      Most tamc.h have been updated correspondingly.
430    
431    checkpoint61i
432    o autodiff:
433      fix autodiff_sore/_restore indices for obcs
434      (spotted by I. Hoteit, M. Mazloff)
435    o pkg/autodiff, pkg/ctrl:
436      Add flag to reduce all tapelev I/O to single-prec.
437      In data.ctrl set
438        doSinglePrecTapelev = .TRUE.
439    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
440      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
441    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
442      real fresh water flux (not yet)
443    o pkg/mdsio & rw:
444     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
445     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
446    o pkg/flt:
447     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
448       init_fixed & ini_varia.
449     - clean-up & simplify linear interpolation S/R:
450       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
451     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
452     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
453     - add vert. coordinate & horiz. indices to output files.
454     - change vertical position in initial condition, from index to depth [m].
455     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
456       (easier to get to a curvilinear grid) ; delX,delY no longer used.
457    o pkg/ggl90: a few modifications:
458     - fix bottom boundary condition, and interpolation of KappaE
459       near top and bottom
460     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
461     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
462     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
463    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
464      (maintain temporary backward compatibility, until next checkpoint)
465    
466    checkpoint61h
467    o pkg/diagnostics with "periodic averaging diagnostics":
468      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
469    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
470    o pkg/obcs: fix loop ranges for balancing code
471    o pkg/flt:
472     - improve criteria for finding which tile owns a float.
473     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
474    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
475      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
476      with ocean biogeo)
477    o pkg/flt:
478     - do some cleaning and fix the restart ;
479     - add output.txt in flt_example/results to get this pkg tested.
480    o genmake2: add an EXTENDED_SRC option and flag.
481       for now, cannot be turned on on command line (only through genmake_local)
482    o pkg/mdsio: read/write vector:
483     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
484     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
485       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
486     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
487      (drop to 4 digits matching for grad). But this test does not look very
488      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
489    
490    checkpoint61g
491    o pkg/flt:
492      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
493       + make OPTIONS file more standard.
494      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
495      - fix _BYTESWAPIO CPP-Flag
496      - standard reading of file-parameter "data.flt"
497      - fix argument list of S/R FLT_RESTART
498      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
499    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
500    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
501      a still unfixed compiler/optimization bug
502    
503    checkpoint61f
504    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
505      update results of global_ocean.cs32x15.icedyn test.
506    o move getcon.F from model/src to pkg/fizhi.
507    o pkg/exf: add parameter for extrapolation of temp up to the surface
508       and option to prevent negative evap (in bulk_largeyeager04 only).
509    o Prather Advection scheme: fix tracer conservation for divergent flow
510      (e.g., when using NonLin Free-Surface).
511    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
512    o gmredi (Visbeck-variable-K):
513     - add more parameters to Visbeck-variable-K.
514     - use a 5 points average for dSigmaR in Visbeck-K calculation
515       (more "homogenous": same stencil and same weights as in dSigmaH)
516     - update output of ideal_2D_oce experiment.
517    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
518      (#undef REAL4_IS_SLOW)
519     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
520       coordinate variable
521     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
522       (surface forcing fields), removes some of the functionality
523     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
524     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
525       probably not all: copy _RS surface flux fields to RL field before
526       calling DIAGNOSTICS_FILL
527     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
528       real*4 (CALL EXCH_*_RS) versions.
529     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
530       (generate new output).
531    
532    checkpoint61e
533    o gmredi (Visbeck-variable-K):
534      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
535      - change computation of Visbeck-K where Slope > Smax :        
536        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
537        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
538    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
539      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
540    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
541    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
542      does not become too large (to avoid precision problems in implicit-diffusion
543      solver); update ideal_2D_oce output.
544    o pkg ggl90:
545      - in ggl90_cal.F: compute only one set of visc/diff, used to
546        step forward TKE/T/S/momentum
547      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
548        have Prandlt =1)
549    o gmredi (fm07):
550      - add lower limit on Transition layer thickness + lower limit on 1/lambda
551      - allow to set few more params from data.gmredi
552    o pkg ggl90:
553          - add missing sqrt(2) factor in computation of mixing length
554            scale in ggl90_calc.F
555            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
556    
557    checkpoint61d
558    o adjoint modifs
559      - adapt to new field rhoInSitu
560      - allow to revert from StoreDynVars2D, StoreDynVars3D
561        to individual fields
562        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
563    o store 3-D (in-situ) density in commom block (DYNVARS.h)
564     - save 1 rho computation.
565     - no longer modify T & S inland when using down_slope pkg.
566    o gad_som : allow to switch to SOM advection for T & S without corresponding
567      pickup files (using new S/R: MDS_CHECK4FILE).
568    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
569      (for useSingleCpuIO to work in multi-threaded)
570    o pkg/shelfice:
571     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
572       with SHELFICEtopoFile in data.shelfice
573     - move code for reading ice shelf topography and modifying hFacC into separate
574       subroutines of the shelfice package
575     - separate initialisation of "fixed" and "variable" variables
576     - kTopC is not (yet) replaced by kSurfC, although this is possible
577    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
578    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
579      and rename:
580      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
581      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
582    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
583    
584    checkpoint61c
585    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
586      to add mass source/sink of fluid in the interior (3-D generalisation
587      of oceanic real-fresh water flux).
588    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
589    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
590    o new pkg: down_slope
591      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
592      - presently, modify T & S inland (dwnslp_calc_rho.F).
593        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
594      - implementation for ocean in P-coords not tested.
595      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
596    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
597      (to facilitate conversion of oceanic pkg to p-coordinate).
598    o change FIND_RHO to FIND_RHO_2D :
599      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
600    o new pkg: cheapaml
601    
602    checkpoint61b
603    o exch2:
604      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
605      - no longer depend on the order sequence (N,S,E,W).
606      - 3rd exchange no longer needed (tested with 24 tiles).
607      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
608      - exch_UV_A-grid readily available (but not yet tested).
609      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
610      (both are no longer needed) in exch_uv: no effect in forward run; but
611       get truncation error differences with adjoint exch.
612    o exch2:
613     - change index-bounds storage (moved from target to local tile,
614       more intuitive this way) ; rename/remove some variables.
615     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
616    
617    checkpoint61a
618    o exch2/matlab-topology-generator:
619      fix bug in index bounds for N-S internal exchange (hard to tell if this
620      had any effect on the solution).
621    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
622      is exceeded
623    o testreport: modify syntax of awk, so that it works also with
624      awk, and not only with nawk and gawk
625    
626    checkpoint61
627    o autodiff
628      Change default for TAF usage by removing argument '-nonew_arg'
629      This changes TAF subroutine argument list (ordering of active var.)
630      Omission of this flag leads to incompatibility w.r.t. TAMC
631      To restore TAMC-compatibility, need following modifs:
632      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
633      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
634      Tested TAF version is 1.9.22
635      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
636    
637    checkpoint60
638    --->>> This is the last checkpoint for which generating the adjoint
639    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
640    --->>> by default.
641    --->>> Future checkpoints will ommit this flag by default.
642    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
643    o pkg/grdchk: Add gradient check to etan0 perturbations.
644    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
645    o pkg/autodiff: more flexibility in zeroadj.
646      model/src: modifying do_oceanic_phys.F accordingly.
647    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
648    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
649      special setup of gmredi for which the adjoint is stable
650      enough for parameter optimization.
651    o bridging the gap between eddy stress and GM.
652      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
653          along with a change in CPP option (now ALLOW_EDDYPSI).
654      -> when using GM w/ GM_AdvForm:
655          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
656          is applied either in the tracer Eq. or in momentum Eq.
657          depending on data.gmredi (intro. GM_InMomAsStress).
658      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
659      The key modifications are in model/src/taueddy_external_forcing.F
660      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
661    
662    checkpoint59r
663    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
664      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
665      fix option to read coriolis(@ cell-corner) from files with CS-grid.
666    o pkg/mnc: add some attributes to standard 1D-coordinate variables
667    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
668      mass points, when using mnc for output
669      - add runtime parameter (missing_value, missing_value_int) to override
670        default (which is the value of getcon('UNDEF'))
671    o pkg/mnc: prepare mnc for the actual use of missing values with the
672      diagnostics package: small fix in mnc_cw_readwrite.template and more
673      initialisation of never used fields
674      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
675      versions
676    o pkg/thsice/thsice_ini_vars.F added default initial values so that
677      thermodynamics sea ice solver does not blow up when some initial fields
678      are missing.
679    o move from external_forcing_surf.F to ini_forcing.F
680      the p-coord. hack consisting in using pLoad to set phi0surf ;
681      update output of tutorial_global_oce_in_p (affected @ truncation level).
682    o Freshen up a bit hs94.1x64x5, notably:
683      remove rotationPeriod and tRef=5*0. (adjoint only), and add
684      exactConserv=.TRUE.
685    o pkg/generic_advdiff:
686      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
687      applies to files where Temperature & Salinity 2nd Order moments are used.
688    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
689      this uses a dynamically allocated internal state data structure
690      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
691      and requires a fortran 90 compiler
692    
693    checkpoint59q
694    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
695       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
696    o Refresh tutorial_global_oce_biogeo, notably:
697      - change bathymetry (put back seamounts in ACC, use hFacs)
698      - change EOS (POLY3 --> JMD95Z)
699      - use Bryan-Lewis vertical diffusivity
700      - use multidimensional advection
701      - remove old virtual virtual in dic pkg, now done through ptracer pkg
702      - change a couple of parameters in dic pkg
703    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
704    o pkg/obcs: change default to OBCSfixTopo = .true.,
705      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
706      - replace "debugMode" with "debugLevel .GE. debLevB"
707    o implementation of TAF directives for gchem,cfc,dic
708    o remove "exp5" (replaced by tutorial_deep_convection).
709    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
710      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
711      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
712      --> changes results in exp4, seaice_obcs
713    o tutorial_deep_convection :
714      update the set-up and increase resolution and domain size ; start
715      from pseudo initial conditions = output at t=120mn in order to see
716      something happening when running testreport.
717    o pkg/seaice: add os7mp as an advection scheme
718                  add check for advection schemes
719                  add a flag for restoring T and S underneath sea ice
720    o pkg/my82: add netcdf-support and diagnostics
721    o thsice pkg:
722      - Now hsMax limits snow height by turning it into ice following
723        flooding scheme (and now conserving energy)
724      - Slight rewriting of the formula in thsice_calc_thick.F
725      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
726      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
727    
728    checkpoint59p
729    o gchem / dic / cfc :
730      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
731      - add new parameter files: "data.dic" & "data.cfc" ;
732      - various re-arrangement in initialisation & header file ;
733      - fix tutorial_global_oce_biogeo for multi-threaded test.
734    o pkg/dic: test for "pickup_dic" file when restarting ;
735      if no pickup-file, can restart with a re-initialised pH (same as it did
736      before) providing pickupStrictlyMatch is set to False.
737    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
738      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
739    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
740      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
741    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
742     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
743       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
744    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
745       scheme to use for vorticty-term ;
746     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
747       (with default selectVortScheme, return to original discretisation)
748     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
749    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
750    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
751      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
752      also fix diagnostics VISCAHW & VISCA4W.
753    
754    checkpoint59o
755    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
756    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
757      move a few statemens out the main loop into separate loops
758    o pkg/shelfice:
759      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
760        (kg/m^2/s), does not break tests, because in verification/isomip,
761        rhoConstFresh=rhoConst (by accident)
762      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
763      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
764        new file model/src/seawater.F, so that they are available for all pkgs.
765      - convert potential temperature into in-situ temperature. This changes the
766        isomip tests => update tests
767    o add a flag writePickupAtEnd (default=true) to be able to suppress
768      writing a pickup at the last timestep
769    o tools/mpack-1.6 :
770      - disable automake (not working) and autoconf (not needed).
771      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
772        also cleaner with much less compilation warnings.
773    o pkg/profiles:
774      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
775      (for "less than 32 characters name" compiler requirement)
776    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
777      conditions that have a different sampling frequency than S/T/U/V obcs
778    o pkg/diagnostics (stats-diags):
779      - fix global Min/Max in case 1 processor get only empty tiles
780    o genmake2: replace (4 times)
781         make genmake_tc_1.o >> genmake_warnings 2>&1
782      with
783         COMM="$CC $CFLAGS -c genmake_tc_1.c"
784         echo $COMM >> genmake_warnings
785         $COMM >> genmake_warnings 2>&1
786      to make genmake2 always see the value of CC as specified in the optfile.
787    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
788      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
789      - modify verification advect_cs test to test SOM-advection on CS-grid.
790    o pkg/ctrl:
791      - Rewrite of ctrl_map_ini_ecco.F,
792        introducing a generic routine (ctrl_map_ini_gen.F).
793      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
794    
795    checkpoint59n
796    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
797      number in dedicate array "hdiag":
798      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
799        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
800      - many small changes (integer format) for large number of diagnostics
801      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
802        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
803    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
804      usingSphericalGrid, this allows to define the rotated grid coordinates
805      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
806      geographical coordinates according to the inverse of the rotation defined
807      by the Euler angles, so that Coriolis parameter and online-interpolation by
808      exf works with the geographical coordinates on XC/YC/XG/YG.
809      Naturally, this feature does not work with all packages, so some
810      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
811      profiles), because there the coordinates are assumed to be regular
812      spherical grid coordinates.
813    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
814      - introduce isopycnal diffusion coefficient control.
815    o tools/adjoint_options:
816      - additional control vector components.
817    o pkg/mnc: have mnc create marginally meaning full coordinate variables
818      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
819    o pkg/mypackage:
820      - add example of read/write pickup for state-var ;
821      - add entry points to the main code for state-vars diags & write-pickup.
822    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
823      transitions for useExfYearlyFields
824      - add new subroutine that determines the file to read from for
825        use*YearlyFields = .TRUE. and .FALSE.
826      - add a verification experiment to global_with_exf that tests
827        useExfYearlyFields with USE_EXF_INTERPOLATION defined
828    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
829      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
830      subroutines (which could be generated from a template, because they are
831      almost identical), for now they are included in obcs_prescribe_read.F for
832      simplicity
833    o pkg/exf:
834      - add a little more diagnostic to exf_interp_read (in analogy to
835        mds_read_field, can be turned off with debugLevel < debugLevA=1)
836      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
837        ugly but fast by unrolling short inner loops, inserting a unroll=8
838        directive in routine lagran, and splitting a loop and making do while the
839        outermost loop (the latter requires the intoduction of index arrays)
840    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
841    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
842      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
843    o verification/seaice_obcs: updated for restart test and latest options
844    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
845      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
846      for now this is only available for the C-grid code and also within
847      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
848    
849    checkpoint59m
850    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
851      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
852    o gad_som : fix flux output (& diagnostics) to have same units as other  
853      advection scheme fluxes (was previously multiplied by deltaT).  
854    o added verification/seaice_obcs both to test seaice open boundaries
855      and to provide an example matlab scrpt for generating them
856    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
857    o pkg/salt_plume: clean up salt_plume_frac.F to
858      remove redundancy in PlumeMethod 1 and 4
859    o pkg/kpp: added saltplume diagnostics
860    o pkg/obcs and pkg/seaice:
861      - do not set uice and vice to zero when OB*icefile are unspecified
862      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
863      - moved seaice tracer obcs after call to seaice_growth
864    o pkg/salt_plume: added various options for salt plume depth
865      criterion and for vertical distribution of the salt
866    
867    checkpoint59l
868    o pkg/ptracers: new version of ptracers pickup:
869      read meta file and write only fields which are needed to restart.
870      ( same logic as main pickup file ; also using pickupStrictlyMatch )
871    o pkg/seaice:
872      - add timescale for melting due to warm mixed layer as a means of
873        setting SEAICE_availHeatFrac more conveniently
874      - add a CPP-flag/runtime parameter check for flooding algorithm
875      - reformulated availHeat in seaice_growth.F to be independent of AREA
876    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
877      unit changes
878    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
879    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
880      SX vector computer.
881    o pkg/seaice:
882      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
883        seaice forcing fields can now be read only through pkg/exf
884      - removed some unused halos
885    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
886    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
887      or U/VICE from U/VWIND before computing U/VSTRESS
888    
889  checkpoint59k  checkpoint59k
890  o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between  o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
891    dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.    dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
892  o fix un-initialised variable problem (in mom_vecinv & shap_filt):  o fix un-initialised variable problem (in mom_vecinv & shap_filt):
893    all experiments pass when compile with un-initilised var. checking option.    all experiments pass when compile with un-initialised var. checking option.
894  o added pkg/salt_plume  o added pkg/salt_plume
895  o script to test restart (for now, in MITgcm_contrib/jmc_script)  o script to test restart (for now, in MITgcm_contrib/jmc_script)
896  o pkg/seaice: new read/write pickup version.  o pkg/seaice: new read/write pickup version.
# Line 1904  o add two new packages Line 2783  o add two new packages
2783    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2784    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2785      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2786      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2787  o add offline package  o add offline package
2788  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2789    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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