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revision 1.904 by jmc, Mon Nov 5 19:38:59 2007 UTC revision 1.1182 by mlosch, Thu Oct 22 12:36:04 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/seaice/autodiff:
8     - rearrange common blocks in SEAICE.h once again for easier dumps of
9       adjoint output, adjust adcommon.h and g_common.h
10     - change flux form of default advection scheme for better vectorization
11       of adjoint code
12     - modify lab_sea/input.lsr to test the flux form of default advection
13       scheme
14    o autodiff: fix seaice fields in g_common.h (left over from 3 to 1 level
15      transition in checkpoint61r)
16    
17    checkpoint61x
18    o adjoint: adding two new verification experiments
19      * tutorial_global_biogeo: an online dic sensitivity experiment
20        (work with G. Forget)
21      * tutorial_dic_adjoffline: an offline dic sensitivity experiment
22        (an update of the Dutkiewicz et al., 2006 paper)
23      Both use the same CO2FLUX cost function, but different controls
24      Gradient checks look good, but some recomp. could still be traightened out
25      Should add xx_dic control variable to test at some point
26    o model/src:
27      add run-time parameters to check and/or mask initial Temp & Salt
28    o pkg/ptracers:
29      apply zonal filter (if used) to all passive tracers
30    
31    checkpoint61w
32    o adjoint:
33      * update and finish work on adjoint of dic package (G. Forget)
34      * start adjoint of offline package
35      * bug fix for cube-sphere TLM code (active_file_g.F)
36    o tutorial_global_oce_optim:
37      now tested with 4 tiles (change data.grdchk and update output_adm.txt)
38      and add SIZE.h_mpi for MPI testing
39    o pkg autodiff
40     - fix bug in autodiff_restore
41     - make genmake2 remove comments and empty lines from ad_input_code.f in
42       order to reduce file size (new script file remove_comments_sed)
43    o allows to specify vertical profile of vertical viscosity (viscArNr)
44    o pkg autodiff
45      autodiff_ini_model_io: comment out writing of grid information to netcdf
46      files, because at this time the grid fields are a bunch of zeros
47      (this is analogous to ini_mnc_vars.F)
48    o pkg seaice/autodiff:
49     left-over from removing the 3-time-level fields:
50     - small rearrangement of common blocks (SEAICE.h)
51     - fix field declaration in order to get meaningful output in
52       adseaice.*.nc (adcommon.h)
53    o pkg obcs:
54     - go through NH code only if nonHydrostatic=T
55     - fix restart for Orlanski (Hydrostatic; still to fix NH+Orlanski restart)
56     - move call to OBCS_CALC before SEAICE_MODEL which needs seaice-obc fields
57       => Update output of experiment seaice_obcs
58     - useOBCSbalance: code is wrong with multi-tile / proc: add a stop.
59     - fix NH+Orlanski restart (add wvel OBC value in pickup file)
60     - fix restart for useOBCSprescribe + useEXF
61    o pkg ctrl
62     - make obcs as control parameter work also with useSingleCPUio
63     - replace a few sny and snx by Ny and Nx to be consistent with
64       ctrl_set_globfld_x/yz.F
65    o pkg seaice
66     - re-introduce global field frWtrAtm for the case of
67       ALLOW_MEAN_SFLUX_COST_CONTRIBUTION defined (SEAICE.h, seaice_growth.F)
68     - catch the case of an empty filename in seaice_cost_init_fixed.F
69    o pkg ecco:
70     - small bug fixes in the_main_loop
71      . fix order of monitor arguments
72      . change SEAICE_MULTILEVEL to SEAICE_MULTICATEGORY
73      . move include DYNVARS.h up outside the ALLOW_AUTODIFF_TAMC block so
74        that ALLOW_ECCO_FORWARD_RUN works with NONLIN_FRSURF
75     - replace cos(yc*deg2rad) by _rA in cost_mean_heat/saltflux.F, fix the
76       imbalance diagnostics for wmean_h/sflux = 0
77     - add actual values to f_obcsn/s/w/e in ecco_cost_final.F
78     - catch the case of empty filenames in ecco_cost_init_fixed.F
79       and ecco_readparms.F
80     - fix the logic of wsalt=0.and.wsalt2=0 to wsalt=0.or.wsalt2=0 (and theta)
81       to make this statement meaningfull in ecco_cost_weights.F
82    o pkg zonal_filt:
83      - change ZONAL_FILTER S/R interface (allows to filter 2-D fields)
84      - when using rStar, filter uVel*hFacW instead of uVel
85       (tested without topography: fix a Pb of growing instability with NLFS)
86    o pkg/aim/thsice:
87     -Add capacity to read a Q-Flux to be applied in slab-mixed layer thsice_slab_ocean.F
88      (works as SST restoring)
89    o pkg/thsice:
90     -add specific parameter for salt restoring in slab mixed-layer
91       (by default equal to the temperature restoring)
92    
93    checkpoint61v
94    o pkg/kpp:
95     -add double diffusive contributions as a hack, turned off by default
96      for now, and the code can be excluded with a CPP-flag
97      EXCLUDE_KPP_DOUBLEDIFF just as EXCLUDE_KPP_SHEAR_MIX
98     -add a verification experiments to "vermix" to test this code
99    o pkg/mom_common:
100      Move computation of length scales to mom_init_fixed.F (avoid recomputation
101      at each time-steps*levels).
102    o pkg/layers:
103      Created a new package for computing volume fluxes in temperature or
104      [not yet implemented] density layers, e.g. for calculating residual
105      overturning circulations.
106    o pkg/diagnostics:
107      implement a RS type version for the set of DIAGNOSTICS-FILL subroutines
108    o fix few RS/RL type mismatch (check with ifort 11.1 "-warn all" option)
109    o pkg/mdsio (& pkg/rw): rework high level S/R interface:
110      To avoid mixing type (RS/RL) of input/output array argument,
111      replace single mixed-type array with a pair from each type (RS/RL).
112    o setting pickupSuff force to start from a pickup (even if nIter0=0): this
113      is now implemented for all pkgs (previously only done for the main pickup)
114    
115    checkpoint61u
116    o pkg/obcs:
117      - change OB?eta from _RS to _RL and put them into a separate commen block
118      - add code to read OB?eta from a file via obcs_prescribe_read: the code
119        compiles and does not destroy any other experiments, the data is read
120        properly, but the code is not tested in actual applications
121    o ini_mnc_vars.F: if available (ALLOW_CAL), use startTime_1 and 2 to
122      create a meaningful unit attribute for the time coordinate variable
123    o pkg/ebm: add plenty of missing "_d 0" ;
124       update results of experiment global_ocean_ebm (fwd + adjoint tests)
125      Notes: several pieces of code only works for (very) specific set up
126       (domain size, lat range, etc ...); should be documented & stop if one
127       of those assumptions is not meet.
128    o pkg/seaice: add missing "_d 0" in HSNOW initialisation
129       update results of experiments: lab_sea (3 fwd tests + 2 adjoint tests)
130          and offline_exf_seaice (seaicetd + adjoint).
131    o add missing "_d 0" in ShortWave flux penetration (S/R SWFRAC):
132       update results of experiments: lab_sea (4 fwd tests + 3 adjoint),
133        seaice_obcs, global_ocean.cs32x15 (icedyn & thsice) and natl_box (x2).
134    o few changes to pass when compiling with strick checking of arguments
135       across S/R (allow to find few bugs in S/R calls).
136    o pkg/seaice:
137     - seaice_evp: move if-statement out of loop (TEM) at the cost of 11 new
138       2d-fields, for slightly better performance
139    
140    checkpoint61t
141    o pkg/seaice:
142     - remove unused variables in seaice_evp
143     - reduce number of SQRT in seaice_evp and seaice_calc_viscosities
144    o eeset_parms.F, open_copy_data_file.F & ini_parms.F:
145       named file replacing SCRATCH files (for TARGET_BGL & TARGET_CRAYXT):
146       each processor opens a different file (a fix from Matt).
147    o cg2d:
148       use simple EXCH (overlap size = 1 and ignore corners), like in cg3d.F :
149       this reduces number of EXCH calls by 2 when using exch2.
150       For now, keep previous size array for gc2d_nsa.F to avoid Pb with store
151       directives and missing simple EXCH (exch_s3d_rx) adjoint code.
152    o pkg/thsice:
153       add code for Near Infra-Red albedo (from Jeff)
154       (turned on with run-time flag: thSIce_calc_albNIR, in data.ice).
155    o ini_model_io:
156       move (from packages_readparms.F & initialise_fixed.F) to ini_model_io.F
157       MNC & MONITOR initialisation calls; move MNC calls from {pkg}_readparms.F
158       to {pkg}_init_fixed.F for {pkg}= kpp, seaice & shelfice.
159    
160    checkpoint61s
161    o pkg/exch2 (exch2_rxN_cube*):
162       remove last BARRIER (no need to synchronise after getting data from shared
163       buffer (get) as long as any change to buffer (put,recv) is between BARRIER)
164    o change tiling of natl_box (from 2 to 4 tiles) to get it tested with MPI+MTH
165      and generate new output (for the 2 tests) using default rotationPeriod.
166    o pkg/exch2:
167      - always call exch2_*_cube, not exch-1 anymore, if useCubedSphereExchange=F
168        (was already the case with AUTODIFF_EXCH2 defined)
169      - add bj in exch2 arrays and S/R.
170      - can now use pkg/exch2 for regular (non CS) set-up; switch test experiment
171        MLAdjust to exch2 (identical results except with MPI -> truncation diff);
172    o add pkg/longstep for ptracer timestep a multiple of U/V/T/S timestep
173      - adds deltaT argument to the subroutines TIMESTEP_TRACER DWNSLP_APPLY
174        GAD_ADVECTION GAD_CALC_RHS GAD_IMPLICIT_R GAD_SOM_ADVECT
175      - verification experiment natl_box.longstep
176    o build_options: ifort+mpi_aces optfile (following Constantinos advise):
177      allow different versions of ifort (8 or 9) and different versions
178       of mpi (mpich or mpich2) to be used with the same optfile.
179      requires to load a netcdf module and set MPI_INC_DIR (see comments inside
180       optfile). Change testing scripts (example_scripts/ACESgrid) accordingly.
181    o pkg/seaice:
182      fix previous modif (3-level field removed) for old-pickup reading
183    
184    checkpoint61r
185    o pkg/seaice:
186     - clean up the 3-time levels of UICE,VICE,HEFF,AREA in three steps:
187      1. introduce fields for time step (N-1)
188      2. do not use levels 2 and 3 anymore (but keep them)
189      3. replace 3D versions of UICE,VICE,HEFF,AREA by 2D versions. This
190         includes changes to pkg/thsice/thsice_get_velocity.F,
191         model/src/external_forcing_surf.F, pkg/obcs/obcs_apply_seaice.F, and
192         pkg/obcs/obcs_apply_uvice.F.
193     - completely remove code for leap-frog time stepping for second order
194       advection
195     - adjusted adjoint accordingly;
196       gradient checks have improved by an order of magnitude!
197    
198    checkpoint61q
199    o pkg/seaice: fix bug in free slip boundary conditons for LSOR solver
200     - the boundary conditions along open boundaries are unclear, because the
201       associated masks are set to zero and are thus treated as closed when
202       applying the slip-boundary conditions.
203     - move initialisation of grid variables from seaice_init_varia to _fixed
204    o adding doc/diags_changes.txt
205    o model/src:
206      do_the_model_io: rename few pkg S/R which are called from do_the_model_io,
207       to avoid "_diags" naming if no relation to pkg/diagnostics.
208      ini_theta,ini_salt: fix (at least compile the code) reading from NetCDF
209       file and only call PLOT_FIELD_XYZ if debugMode=T.
210      remove few PLOT_FIELD_XY calls outside initialisation.
211      remove few unnecessary BARRIER.
212    o pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
213      of salt_plume package in Southern Ocean
214    o pkg/thsice:
215     - fix hOceMxL in overlap (needed for sea-ice advection);
216       update output of experiment global_ocean.cs32x15.icedyn.
217    o pkg/seaice:
218     - make the (placeholder-)tracer IceAge a little more meaningful
219      by avoiding ridging of age due to convergent ice flow
220     - add diagnostics for surface temperature, atmospheric and oceanic
221       heat flux, and atmospheric and oceanic ice growth
222    
223    checkpoint61p
224    o eesupp (global_max & global_sum):
225     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
226     - remove starting & endding barrier (no longer needed)
227    o pkg/mdsio, writelocal:
228       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
229       (remove the STOP): uses shared buffer IO to store data from all threads
230       and then let master-thread write nThreads tiles.
231    o pkg/mdsio (read/write field):
232     - tiled IO done in 1 piece (all levels at a time);
233     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
234     - multi-threaded: allow to read/write local (non-shared) array
235       (was already working with singleCpuIO ; now works also without);
236       => no longer needs barrier call after reading a file (added inside
237       mds_read/write field).
238     - move barrier calls outside gather/scatter_2d to mds_read/write_field
239    o pkg/obcs/exf
240      - exf_getffieldrec.F: add a few ". _d 0" and
241                            add code to catch the case fldperiod = 0.  
242      - obcs_precribe_read.F: change if statements so that they match
243                              the variable type (_RL)
244      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
245        exf_iprec) as part of namelist EXF_NML_01
246    o pkg/mdsio:
247      - read/write tiled (local) files: read/write 1-level tile chunk at a time
248        (instead of segment of length sNx); expected to speed up tiled IO.
249    o pkg/exch2:
250      - take buffer copy from/to array out of S/R exch2_send/recv into new
251        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
252        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
253      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
254      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
255        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
256        including Topology header file (and common blocks).
257      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
258        remove 2nd exch call in exch2_s3d_rx (no longer needed).
259      - document S/R arg. list (+ update some comments)
260    o pkg/seaice:
261      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
262        temperature and humidity over sea ice based on climatological values.
263      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
264        of LSR (this change is expected to change the results slightly because now
265        it uses slightly difference moduli from the second last LSR solution, but
266        that is more consistent with the stress computations; this part of the code
267        is not tested in the verification experiments)
268      - fix diagnostics for flux of ice in case of B-grid
269      - turn strain rates eij and press into global fields within global
270        common block in SEAICE.h for more straighforward diagnostics
271      - fix diagnostics for principal stress components, press, zeta, eta
272        to give something meaning full
273    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
274      new output (all 4 tests) using default rotationPeriod.
275    o pkg KPP:
276      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
277      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
278        and normal grid from 1 to Nr)
279    o Fix computations of L4rdt in mom_calc_visc.F
280    o eesupp:
281      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
282      should be called before a "stop" if we know that all process are going
283      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
284    
285    checkpoint61o
286    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
287    o model/src/ini_curvilinear_grid.F:
288       compute angleSin/CosC when they are not read from a file
289    o pkg/seaice:
290       add pseudo time stepping for LSOR
291    o pkg/exch2:
292       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
293    o pkg/seaice:
294       Adding separate sea ice albedo, drag coefficients, and HO in Southern
295       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
296    o SingleCpuIO:
297       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
298    o pkg/seaice:
299       put exchanged variable in (local) common block for MPI+Multi-Threads
300       to work (necessary with exch1, and for now with exch2 too).
301    o verification: to get more experiments tested with mpi, mth and mpi+mth,
302      change tiling of:
303       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
304       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
305      update output of exp:
306       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
307       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
308      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
309                       (note: output.txt generated on faulks using only 1 tile)
310    o eesupp & mdsio (SingleCpuIO):
311     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
312       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
313       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
314     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
315     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
316       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
317    o pkg/exch2:
318     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
319       read parameter file "data.exch2" if it exists; otherwise try default regular
320       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
321     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
322       with new code (not to be used, just as a backup solution).
323     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
324       in utils/exch2/input.
325    
326    checkpoint61n
327    o eesupp & mdsio (SingleCpuIO):
328      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
329        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
330        receive real*4 array (instead of real*8) to read/write 32.bit files.
331        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
332         and remove new mapping S/R)
333    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
334      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
335        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
336        when using exch2. Add S/R to map global io-buffer to global model array.
337      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
338    
339    checkpoint61m
340    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
341      and add 3 other S/R for other types (R4,R8,RS).
342      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
343    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
344     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
345     - reduce number of macro definitions (keep only those which are used);
346       can always call directly the corrresponding S/R if needed.
347     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
348       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
349     Fixed wrong type of arg in:
350       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
351       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
352     To fix: global_sum of var in common block is wrong (multi-threaded) in:
353       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
354     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
355    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
356      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
357    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
358    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
359      edges are closed (zero depth); might happen with "blank tiles";
360      for now, disabled if using OBCS.
361    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
362      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
363    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
364      to reduce length of 1.D array print in STDOUT.
365    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
366      + use 48 tiles (16x8): this will allow to test "blank tiles".
367    o start to test MPI + multi-threaded (change testreport to skip tests
368      where number of tiles do not match).
369    o genmake2: add option "-omp" to turn on Open-MP ;
370      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
371    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
372      and keep the original tile numbering. Note: compatible with old
373      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
374    
375    checkpoint61l
376    o Overlaps had been forgotten in calculating ijk keys : fixed
377    o fix cyrus makedepend for gcc 4.4
378    o experiment fizhi-cs-aqualev20:
379      switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
380      and generate new output. Note: new output is much closer to the old
381      one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
382      the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
383    o pkg/fizhi:
384     - change to avoid indices going deliberately over array-bounds
385     - remove unnecessary MPI stuff
386     - perpetual spring equinox with "#define FIZHI_USE_FIXED_DAY"
387     - new version of S/R GETPWHERE available with #define TRY_NEW_GETPWHERE:
388       does not go over array-bounds and therefore returns reliable output.
389     - in fizhi_driver.F & fizhi_turb.F, fix "get_alarm" calls:
390       this S/R has 4 output arguments, which are used inside "get_alarm";
391       when it is called with the same variable "ndum" in place of several
392       output arguments, this produces weird side effect inside "get_alarm"
393      (e.g., datein=dates(n) is overwritten by timein=times(n) since both
394       datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
395       address) and produces error.
396    o tools/gemake2: (March 27-29 2009)
397      with option "-mpi": link *_mpi files from "MODS" dir (this is what
398      testreport does).
399    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
400    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
401       update lab_sea.lsr & lab_sea.salt_plume results
402    o pkg/seaice:
403      Major overhaul of the LSOR solver: change discretization from original
404      finite differences to finite volume. The old routine is still in the
405      file seaice_lsr.F and can be turned on with the CPP-flag
406      SEAICE_OLD_AND_BAD_DISCRETIZATION
407      Along with this change, the discretization of the strain rates is changed.
408      The same flag turns on the old discretization in seaice_calc_strainrates.F
409      All verification experiments with seaice are affected (except for
410      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
411      results by setting the above flag.
412      Further changes involve changes in defaults:
413      - ALLOW_FLOODING is defined and turned on by default
414      - SEAICEadvSnow = .true. is now the default
415      - SEAICEadvSalt = .true. is now the default
416      - SEAICEadvAge  = .true. is now the default
417      - SEAICE_clipVelocities  = .false. is now the default
418                                         (as per J. Zhang's recommendation)
419      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
420        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
421      - seaice_growth: replace computation of UG by a simple copy from wspeed
422    
423    checkpoint61k
424    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
425      seaice_lsr: fixed a few metric terms,
426                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
427                  add more debugging diagnostics
428      seaice_evp: removed superfluous many metric terms of FV discretization
429                  of stress divergence
430                  affects lab_sea, lab_sea.hb87
431      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
432                  of stress divergence for non-evp solver
433                  (this part is not tested anywhere)
434      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
435                  they were effectively only half slip
436                  affects lab_sea.hb87
437      updated all relevant verification experiments (except lab_sea//output_adm.txt
438        which was left over, but fails at level 7 & 6)
439    
440    checkpoint61j
441    o pkg/seaice: turn a few hard wired parameters into run time parameters
442    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
443      time in seconds as promised by the usints in seaice_monitor and exf_monitor
444    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
445      that are not cubed-sphere grids
446    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
447    o pkg/ctrl:
448      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
449    o non-hydrostatic (calc_gw.F):
450      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
451      update output of exp. global_ocean.cs32x15.viscA4
452    o remove backward compatibility for thetaMin,phiMin
453      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
454    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
455      interpolated wind field not only for curvilineargrid=.true., but also
456      for a rotated grid (rotateGrid=.true.)
457    o pkg/exf: add capability to bypass interpolation for runoff
458      by setting yet another CPP-flag
459    o eesupp/src, B-grid exchange:
460      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
461    o autodiff
462      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
463      allows to switch to single-prec common blocks;
464      corresponding switch occurs in tamc.h, integer isbyte
465      TAF store directivs "byte" and "kind" seem equivalent;
466      Most tamc.h have been updated correspondingly.
467    
468    checkpoint61i
469    o autodiff:
470      fix autodiff_sore/_restore indices for obcs
471      (spotted by I. Hoteit, M. Mazloff)
472    o pkg/autodiff, pkg/ctrl:
473      Add flag to reduce all tapelev I/O to single-prec.
474      In data.ctrl set
475        doSinglePrecTapelev = .TRUE.
476    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
477      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
478    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
479      real fresh water flux (not yet)
480    o pkg/mdsio & rw:
481     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
482     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
483    o pkg/flt:
484     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
485       init_fixed & ini_varia.
486     - clean-up & simplify linear interpolation S/R:
487       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
488     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
489     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
490     - add vert. coordinate & horiz. indices to output files.
491     - change vertical position in initial condition, from index to depth [m].
492     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
493       (easier to get to a curvilinear grid) ; delX,delY no longer used.
494    o pkg/ggl90: a few modifications:
495     - fix bottom boundary condition, and interpolation of KappaE
496       near top and bottom
497     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
498     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
499     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
500    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
501      (maintain temporary backward compatibility, until next checkpoint)
502    
503    checkpoint61h
504    o pkg/diagnostics with "periodic averaging diagnostics":
505      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
506    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
507    o pkg/obcs: fix loop ranges for balancing code
508    o pkg/flt:
509     - improve criteria for finding which tile owns a float.
510     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
511    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
512      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
513      with ocean biogeo)
514    o pkg/flt:
515     - do some cleaning and fix the restart ;
516     - add output.txt in flt_example/results to get this pkg tested.
517    o genmake2: add an EXTENDED_SRC option and flag.
518       for now, cannot be turned on on command line (only through genmake_local)
519    o pkg/mdsio: read/write vector:
520     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
521     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
522       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
523     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
524      (drop to 4 digits matching for grad). But this test does not look very
525      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
526    
527    checkpoint61g
528    o pkg/flt:
529      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
530       + make OPTIONS file more standard.
531      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
532      - fix _BYTESWAPIO CPP-Flag
533      - standard reading of file-parameter "data.flt"
534      - fix argument list of S/R FLT_RESTART
535      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
536    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
537    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
538      a still unfixed compiler/optimization bug
539    
540    checkpoint61f
541    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
542      update results of global_ocean.cs32x15.icedyn test.
543    o move getcon.F from model/src to pkg/fizhi.
544    o pkg/exf: add parameter for extrapolation of temp up to the surface
545       and option to prevent negative evap (in bulk_largeyeager04 only).
546    o Prather Advection scheme: fix tracer conservation for divergent flow
547      (e.g., when using NonLin Free-Surface).
548    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
549    o gmredi (Visbeck-variable-K):
550     - add more parameters to Visbeck-variable-K.
551     - use a 5 points average for dSigmaR in Visbeck-K calculation
552       (more "homogenous": same stencil and same weights as in dSigmaH)
553     - update output of ideal_2D_oce experiment.
554    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
555      (#undef REAL4_IS_SLOW)
556     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
557       coordinate variable
558     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
559       (surface forcing fields), removes some of the functionality
560     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
561     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
562       probably not all: copy _RS surface flux fields to RL field before
563       calling DIAGNOSTICS_FILL
564     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
565       real*4 (CALL EXCH_*_RS) versions.
566     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
567       (generate new output).
568    
569    checkpoint61e
570    o gmredi (Visbeck-variable-K):
571      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
572      - change computation of Visbeck-K where Slope > Smax :        
573        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
574        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
575    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
576      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
577    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
578    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
579      does not become too large (to avoid precision problems in implicit-diffusion
580      solver); update ideal_2D_oce output.
581    o pkg ggl90:
582      - in ggl90_cal.F: compute only one set of visc/diff, used to
583        step forward TKE/T/S/momentum
584      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
585        have Prandlt =1)
586    o gmredi (fm07):
587      - add lower limit on Transition layer thickness + lower limit on 1/lambda
588      - allow to set few more params from data.gmredi
589    o pkg ggl90:
590          - add missing sqrt(2) factor in computation of mixing length
591            scale in ggl90_calc.F
592            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
593    
594    checkpoint61d
595    o adjoint modifs
596      - adapt to new field rhoInSitu
597      - allow to revert from StoreDynVars2D, StoreDynVars3D
598        to individual fields
599        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
600    o store 3-D (in-situ) density in commom block (DYNVARS.h)
601     - save 1 rho computation.
602     - no longer modify T & S inland when using down_slope pkg.
603    o gad_som : allow to switch to SOM advection for T & S without corresponding
604      pickup files (using new S/R: MDS_CHECK4FILE).
605    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
606      (for useSingleCpuIO to work in multi-threaded)
607    o pkg/shelfice:
608     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
609       with SHELFICEtopoFile in data.shelfice
610     - move code for reading ice shelf topography and modifying hFacC into separate
611       subroutines of the shelfice package
612     - separate initialisation of "fixed" and "variable" variables
613     - kTopC is not (yet) replaced by kSurfC, although this is possible
614    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
615    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
616      and rename:
617      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
618      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
619    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
620    
621    checkpoint61c
622    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
623      to add mass source/sink of fluid in the interior (3-D generalisation
624      of oceanic real-fresh water flux).
625    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
626    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
627    o new pkg: down_slope
628      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
629      - presently, modify T & S inland (dwnslp_calc_rho.F).
630        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
631      - implementation for ocean in P-coords not tested.
632      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
633    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
634      (to facilitate conversion of oceanic pkg to p-coordinate).
635    o change FIND_RHO to FIND_RHO_2D :
636      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
637    o new pkg: cheapaml
638    
639    checkpoint61b
640    o exch2:
641      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
642      - no longer depend on the order sequence (N,S,E,W).
643      - 3rd exchange no longer needed (tested with 24 tiles).
644      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
645      - exch_UV_A-grid readily available (but not yet tested).
646      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
647      (both are no longer needed) in exch_uv: no effect in forward run; but
648       get truncation error differences with adjoint exch.
649    o exch2:
650     - change index-bounds storage (moved from target to local tile,
651       more intuitive this way) ; rename/remove some variables.
652     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
653    
654    checkpoint61a
655    o exch2/matlab-topology-generator:
656      fix bug in index bounds for N-S internal exchange (hard to tell if this
657      had any effect on the solution).
658    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
659      is exceeded
660    o testreport: modify syntax of awk, so that it works also with
661      awk, and not only with nawk and gawk
662    
663    checkpoint61
664    o autodiff
665      Change default for TAF usage by removing argument '-nonew_arg'
666      This changes TAF subroutine argument list (ordering of active var.)
667      Omission of this flag leads to incompatibility w.r.t. TAMC
668      To restore TAMC-compatibility, need following modifs:
669      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
670      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
671      Tested TAF version is 1.9.22
672      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
673    
674    checkpoint60
675    --->>> This is the last checkpoint for which generating the adjoint
676    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
677    --->>> by default.
678    --->>> Future checkpoints will ommit this flag by default.
679    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
680    o pkg/grdchk: Add gradient check to etan0 perturbations.
681    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
682    o pkg/autodiff: more flexibility in zeroadj.
683      model/src: modifying do_oceanic_phys.F accordingly.
684    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
685    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
686      special setup of gmredi for which the adjoint is stable
687      enough for parameter optimization.
688    o bridging the gap between eddy stress and GM.
689      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
690          along with a change in CPP option (now ALLOW_EDDYPSI).
691      -> when using GM w/ GM_AdvForm:
692          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
693          is applied either in the tracer Eq. or in momentum Eq.
694          depending on data.gmredi (intro. GM_InMomAsStress).
695      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
696      The key modifications are in model/src/taueddy_external_forcing.F
697      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
698    
699    checkpoint59r
700    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
701      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
702      fix option to read coriolis(@ cell-corner) from files with CS-grid.
703    o pkg/mnc: add some attributes to standard 1D-coordinate variables
704    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
705      mass points, when using mnc for output
706      - add runtime parameter (missing_value, missing_value_int) to override
707        default (which is the value of getcon('UNDEF'))
708    o pkg/mnc: prepare mnc for the actual use of missing values with the
709      diagnostics package: small fix in mnc_cw_readwrite.template and more
710      initialisation of never used fields
711      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
712      versions
713    o pkg/thsice/thsice_ini_vars.F added default initial values so that
714      thermodynamics sea ice solver does not blow up when some initial fields
715      are missing.
716    o move from external_forcing_surf.F to ini_forcing.F
717      the p-coord. hack consisting in using pLoad to set phi0surf ;
718      update output of tutorial_global_oce_in_p (affected @ truncation level).
719    o Freshen up a bit hs94.1x64x5, notably:
720      remove rotationPeriod and tRef=5*0. (adjoint only), and add
721      exactConserv=.TRUE.
722    o pkg/generic_advdiff:
723      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
724      applies to files where Temperature & Salinity 2nd Order moments are used.
725    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
726      this uses a dynamically allocated internal state data structure
727      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
728      and requires a fortran 90 compiler
729    
730    checkpoint59q
731    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
732       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
733    o Refresh tutorial_global_oce_biogeo, notably:
734      - change bathymetry (put back seamounts in ACC, use hFacs)
735      - change EOS (POLY3 --> JMD95Z)
736      - use Bryan-Lewis vertical diffusivity
737      - use multidimensional advection
738      - remove old virtual virtual in dic pkg, now done through ptracer pkg
739      - change a couple of parameters in dic pkg
740    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
741    o pkg/obcs: change default to OBCSfixTopo = .true.,
742      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
743      - replace "debugMode" with "debugLevel .GE. debLevB"
744    o implementation of TAF directives for gchem,cfc,dic
745    o remove "exp5" (replaced by tutorial_deep_convection).
746    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
747      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
748      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
749      --> changes results in exp4, seaice_obcs
750    o tutorial_deep_convection :
751      update the set-up and increase resolution and domain size ; start
752      from pseudo initial conditions = output at t=120mn in order to see
753      something happening when running testreport.
754    o pkg/seaice: add os7mp as an advection scheme
755                  add check for advection schemes
756                  add a flag for restoring T and S underneath sea ice
757    o pkg/my82: add netcdf-support and diagnostics
758    o thsice pkg:
759      - Now hsMax limits snow height by turning it into ice following
760        flooding scheme (and now conserving energy)
761      - Slight rewriting of the formula in thsice_calc_thick.F
762      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
763      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
764    
765    checkpoint59p
766    o gchem / dic / cfc :
767      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
768      - add new parameter files: "data.dic" & "data.cfc" ;
769      - various re-arrangement in initialisation & header file ;
770      - fix tutorial_global_oce_biogeo for multi-threaded test.
771    o pkg/dic: test for "pickup_dic" file when restarting ;
772      if no pickup-file, can restart with a re-initialised pH (same as it did
773      before) providing pickupStrictlyMatch is set to False.
774    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
775      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
776    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
777      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
778    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
779     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
780       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
781    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
782       scheme to use for vorticty-term ;
783     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
784       (with default selectVortScheme, return to original discretisation)
785     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
786    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
787    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
788      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
789      also fix diagnostics VISCAHW & VISCA4W.
790    
791    checkpoint59o
792    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
793    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
794      move a few statemens out the main loop into separate loops
795    o pkg/shelfice:
796      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
797        (kg/m^2/s), does not break tests, because in verification/isomip,
798        rhoConstFresh=rhoConst (by accident)
799      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
800      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
801        new file model/src/seawater.F, so that they are available for all pkgs.
802      - convert potential temperature into in-situ temperature. This changes the
803        isomip tests => update tests
804    o add a flag writePickupAtEnd (default=true) to be able to suppress
805      writing a pickup at the last timestep
806    o tools/mpack-1.6 :
807      - disable automake (not working) and autoconf (not needed).
808      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
809        also cleaner with much less compilation warnings.
810    o pkg/profiles:
811      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
812      (for "less than 32 characters name" compiler requirement)
813    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
814      conditions that have a different sampling frequency than S/T/U/V obcs
815    o pkg/diagnostics (stats-diags):
816      - fix global Min/Max in case 1 processor get only empty tiles
817    o genmake2: replace (4 times)
818         make genmake_tc_1.o >> genmake_warnings 2>&1
819      with
820         COMM="$CC $CFLAGS -c genmake_tc_1.c"
821         echo $COMM >> genmake_warnings
822         $COMM >> genmake_warnings 2>&1
823      to make genmake2 always see the value of CC as specified in the optfile.
824    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
825      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
826      - modify verification advect_cs test to test SOM-advection on CS-grid.
827    o pkg/ctrl:
828      - Rewrite of ctrl_map_ini_ecco.F,
829        introducing a generic routine (ctrl_map_ini_gen.F).
830      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
831    
832    checkpoint59n
833    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
834      number in dedicate array "hdiag":
835      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
836        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
837      - many small changes (integer format) for large number of diagnostics
838      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
839        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
840    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
841      usingSphericalGrid, this allows to define the rotated grid coordinates
842      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
843      geographical coordinates according to the inverse of the rotation defined
844      by the Euler angles, so that Coriolis parameter and online-interpolation by
845      exf works with the geographical coordinates on XC/YC/XG/YG.
846      Naturally, this feature does not work with all packages, so some
847      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
848      profiles), because there the coordinates are assumed to be regular
849      spherical grid coordinates.
850    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
851      - introduce isopycnal diffusion coefficient control.
852    o tools/adjoint_options:
853      - additional control vector components.
854    o pkg/mnc: have mnc create marginally meaning full coordinate variables
855      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
856    o pkg/mypackage:
857      - add example of read/write pickup for state-var ;
858      - add entry points to the main code for state-vars diags & write-pickup.
859    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
860      transitions for useExfYearlyFields
861      - add new subroutine that determines the file to read from for
862        use*YearlyFields = .TRUE. and .FALSE.
863      - add a verification experiment to global_with_exf that tests
864        useExfYearlyFields with USE_EXF_INTERPOLATION defined
865    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
866      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
867      subroutines (which could be generated from a template, because they are
868      almost identical), for now they are included in obcs_prescribe_read.F for
869      simplicity
870    o pkg/exf:
871      - add a little more diagnostic to exf_interp_read (in analogy to
872        mds_read_field, can be turned off with debugLevel < debugLevA=1)
873      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
874        ugly but fast by unrolling short inner loops, inserting a unroll=8
875        directive in routine lagran, and splitting a loop and making do while the
876        outermost loop (the latter requires the intoduction of index arrays)
877    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
878    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
879      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
880    o verification/seaice_obcs: updated for restart test and latest options
881    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
882      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
883      for now this is only available for the C-grid code and also within
884      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
885    
886    checkpoint59m
887    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
888      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
889    o gad_som : fix flux output (& diagnostics) to have same units as other  
890      advection scheme fluxes (was previously multiplied by deltaT).  
891    o added verification/seaice_obcs both to test seaice open boundaries
892      and to provide an example matlab scrpt for generating them
893    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
894    o pkg/salt_plume: clean up salt_plume_frac.F to
895      remove redundancy in PlumeMethod 1 and 4
896    o pkg/kpp: added saltplume diagnostics
897    o pkg/obcs and pkg/seaice:
898      - do not set uice and vice to zero when OB*icefile are unspecified
899      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
900      - moved seaice tracer obcs after call to seaice_growth
901    o pkg/salt_plume: added various options for salt plume depth
902      criterion and for vertical distribution of the salt
903    
904    checkpoint59l
905    o pkg/ptracers: new version of ptracers pickup:
906      read meta file and write only fields which are needed to restart.
907      ( same logic as main pickup file ; also using pickupStrictlyMatch )
908    o pkg/seaice:
909      - add timescale for melting due to warm mixed layer as a means of
910        setting SEAICE_availHeatFrac more conveniently
911      - add a CPP-flag/runtime parameter check for flooding algorithm
912      - reformulated availHeat in seaice_growth.F to be independent of AREA
913    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
914      unit changes
915    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
916    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
917      SX vector computer.
918    o pkg/seaice:
919      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
920        seaice forcing fields can now be read only through pkg/exf
921      - removed some unused halos
922    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
923    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
924      or U/VICE from U/VWIND before computing U/VSTRESS
925    
926    checkpoint59k
927    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
928      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
929    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
930      all experiments pass when compile with un-initialised var. checking option.
931    o added pkg/salt_plume
932    o script to test restart (for now, in MITgcm_contrib/jmc_script)
933    o pkg/seaice: new read/write pickup version.
934      read meta file and write only fields which are needed to restart.
935      ( same logic as main pickup file ; also using pickupStrictlyMatch )
936    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
937    o lab_sea.hb87: modify the domain & update output.hb87.txt :
938      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
939      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
940      process. Fixed here by closing the domain at the Northern boundary.
941    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
942    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
943      a set of consecutive levels in/from a 3-D array.
944    o pkg/ptracers:
945      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
946      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
947    
948    checkpoint59j
949    o in pkgs: dic, obcs, offline, rbcs:
950      standard way to compute coeff. for time interpolation between 2 time reccords
951      which retains full precision (& make results less dependent on compiler).
952      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
953    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
954      packages instead of reading ice cover and wind speed separately
955  o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h  o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
956   (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad   (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
957    to allow to compile customized code before the update)    to allow to compile customized code before the update)
# Line 1872  o add two new packages Line 2820  o add two new packages
2820    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2821    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2822      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2823      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2824  o add offline package  o add offline package
2825  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2826    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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