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revision 1.895 by heimbach, Fri Oct 19 21:03:09 2007 UTC revision 1.1193 by mlosch, Fri Nov 13 08:09:30 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 add CPP-flag (in mom_calc_visc.F) and TAF directive (in gmredi_slope_limit)
8      to improve vectorization of adjoint code on TARGET_NEC_SX
9    o verification/vermix:
10      - change vermix to a more "classical" 1d column with high vertical reoslution,
11        seasonal heat flux forcing and constant wind forcing --> update outputs
12    o pkg/seaice
13     - fix diagnostics of principal stress components for EVP
14     - add optional diagnostics of non-linear convergence for LSOR solver
15     - make maximum zeta a runtime parameter
16    o model/src (3-d solver):
17      Undo modif from Dec 12, 2005 (solve_for_pressure.F cvs version v.49),
18       which consisted in removing the Surf. Non-Hydrostatic pressure from the
19       whole column and adding it to Eta (inspired from Casualli, 1999):
20       Only affects 3-D solver initial guess and only if using ExactConserv,
21       but tests did show a degradation of solver convergence. For this reason,
22       decide to disable this piece of code.
23       to recover previous version, just set zeroPsNH = exactConserv (line 78).
24      Update output of exp. global_ocean.cs32x15.viscA4 & hs94.cs-32x32x5.impIGW
25    o pkg/ggl90:
26     - fix previous modif (unfortunatly has not been documented here).
27    o pkg/seaice/autodiff:
28     - add CPP flag to include clipping of zeta in EVP code;
29       although clipping of zeta is not necessary for EVP and not recommended
30       it was done by default, now clipping is disabled by default
31     - modify computation and store zetaC/Z in seaice_evp for TAF
32     - add CPP-flag SEAICE_ALLOW_CLIPVELS (undefined by default)
33     - change seaice_calc_viscosities/strainrates for better
34       vectorization after AD by TAF
35     - rearrange common blocks in SEAICE.h once again for easier dumps of
36       adjoint output, adjust adcommon.h and g_common.h
37     - change flux form of default advection scheme for better vectorization
38       of adjoint code
39     - modify lab_sea/input.lsr to test the flux form of default advection
40       scheme
41    o autodiff: fix seaice fields in g_common.h (left over from 3 to 1 level
42      transition in checkpoint61r)
43    
44    checkpoint61x
45    o adjoint: adding two new verification experiments
46      * tutorial_global_biogeo: an online dic sensitivity experiment
47        (work with G. Forget)
48      * tutorial_dic_adjoffline: an offline dic sensitivity experiment
49        (an update of the Dutkiewicz et al., 2006 paper)
50      Both use the same CO2FLUX cost function, but different controls
51      Gradient checks look good, but some recomp. could still be traightened out
52      Should add xx_dic control variable to test at some point
53    o model/src:
54      add run-time parameters to check and/or mask initial Temp & Salt
55    o pkg/ptracers:
56      apply zonal filter (if used) to all passive tracers
57    
58    checkpoint61w
59    o adjoint:
60      * update and finish work on adjoint of dic package (G. Forget)
61      * start adjoint of offline package
62      * bug fix for cube-sphere TLM code (active_file_g.F)
63    o tutorial_global_oce_optim:
64      now tested with 4 tiles (change data.grdchk and update output_adm.txt)
65      and add SIZE.h_mpi for MPI testing
66    o pkg autodiff
67     - fix bug in autodiff_restore
68     - make genmake2 remove comments and empty lines from ad_input_code.f in
69       order to reduce file size (new script file remove_comments_sed)
70    o allows to specify vertical profile of vertical viscosity (viscArNr)
71    o pkg autodiff
72      autodiff_ini_model_io: comment out writing of grid information to netcdf
73      files, because at this time the grid fields are a bunch of zeros
74      (this is analogous to ini_mnc_vars.F)
75    o pkg seaice/autodiff:
76     left-over from removing the 3-time-level fields:
77     - small rearrangement of common blocks (SEAICE.h)
78     - fix field declaration in order to get meaningful output in
79       adseaice.*.nc (adcommon.h)
80    o pkg obcs:
81     - go through NH code only if nonHydrostatic=T
82     - fix restart for Orlanski (Hydrostatic; still to fix NH+Orlanski restart)
83     - move call to OBCS_CALC before SEAICE_MODEL which needs seaice-obc fields
84       => Update output of experiment seaice_obcs
85     - useOBCSbalance: code is wrong with multi-tile / proc: add a stop.
86     - fix NH+Orlanski restart (add wvel OBC value in pickup file)
87     - fix restart for useOBCSprescribe + useEXF
88    o pkg ctrl
89     - make obcs as control parameter work also with useSingleCPUio
90     - replace a few sny and snx by Ny and Nx to be consistent with
91       ctrl_set_globfld_x/yz.F
92    o pkg seaice
93     - re-introduce global field frWtrAtm for the case of
94       ALLOW_MEAN_SFLUX_COST_CONTRIBUTION defined (SEAICE.h, seaice_growth.F)
95     - catch the case of an empty filename in seaice_cost_init_fixed.F
96    o pkg ecco:
97     - small bug fixes in the_main_loop
98      . fix order of monitor arguments
99      . change SEAICE_MULTILEVEL to SEAICE_MULTICATEGORY
100      . move include DYNVARS.h up outside the ALLOW_AUTODIFF_TAMC block so
101        that ALLOW_ECCO_FORWARD_RUN works with NONLIN_FRSURF
102     - replace cos(yc*deg2rad) by _rA in cost_mean_heat/saltflux.F, fix the
103       imbalance diagnostics for wmean_h/sflux = 0
104     - add actual values to f_obcsn/s/w/e in ecco_cost_final.F
105     - catch the case of empty filenames in ecco_cost_init_fixed.F
106       and ecco_readparms.F
107     - fix the logic of wsalt=0.and.wsalt2=0 to wsalt=0.or.wsalt2=0 (and theta)
108       to make this statement meaningfull in ecco_cost_weights.F
109    o pkg zonal_filt:
110      - change ZONAL_FILTER S/R interface (allows to filter 2-D fields)
111      - when using rStar, filter uVel*hFacW instead of uVel
112       (tested without topography: fix a Pb of growing instability with NLFS)
113    o pkg/aim/thsice:
114     -Add capacity to read a Q-Flux to be applied in slab-mixed layer thsice_slab_ocean.F
115      (works as SST restoring)
116    o pkg/thsice:
117     -add specific parameter for salt restoring in slab mixed-layer
118       (by default equal to the temperature restoring)
119    
120    checkpoint61v
121    o pkg/kpp:
122     -add double diffusive contributions as a hack, turned off by default
123      for now, and the code can be excluded with a CPP-flag
124      EXCLUDE_KPP_DOUBLEDIFF just as EXCLUDE_KPP_SHEAR_MIX
125     -add a verification experiments to "vermix" to test this code
126    o pkg/mom_common:
127      Move computation of length scales to mom_init_fixed.F (avoid recomputation
128      at each time-steps*levels).
129    o pkg/layers:
130      Created a new package for computing volume fluxes in temperature or
131      [not yet implemented] density layers, e.g. for calculating residual
132      overturning circulations.
133    o pkg/diagnostics:
134      implement a RS type version for the set of DIAGNOSTICS-FILL subroutines
135    o fix few RS/RL type mismatch (check with ifort 11.1 "-warn all" option)
136    o pkg/mdsio (& pkg/rw): rework high level S/R interface:
137      To avoid mixing type (RS/RL) of input/output array argument,
138      replace single mixed-type array with a pair from each type (RS/RL).
139    o setting pickupSuff force to start from a pickup (even if nIter0=0): this
140      is now implemented for all pkgs (previously only done for the main pickup)
141    
142    checkpoint61u
143    o pkg/obcs:
144      - change OB?eta from _RS to _RL and put them into a separate commen block
145      - add code to read OB?eta from a file via obcs_prescribe_read: the code
146        compiles and does not destroy any other experiments, the data is read
147        properly, but the code is not tested in actual applications
148    o ini_mnc_vars.F: if available (ALLOW_CAL), use startTime_1 and 2 to
149      create a meaningful unit attribute for the time coordinate variable
150    o pkg/ebm: add plenty of missing "_d 0" ;
151       update results of experiment global_ocean_ebm (fwd + adjoint tests)
152      Notes: several pieces of code only works for (very) specific set up
153       (domain size, lat range, etc ...); should be documented & stop if one
154       of those assumptions is not meet.
155    o pkg/seaice: add missing "_d 0" in HSNOW initialisation
156       update results of experiments: lab_sea (3 fwd tests + 2 adjoint tests)
157          and offline_exf_seaice (seaicetd + adjoint).
158    o add missing "_d 0" in ShortWave flux penetration (S/R SWFRAC):
159       update results of experiments: lab_sea (4 fwd tests + 3 adjoint),
160        seaice_obcs, global_ocean.cs32x15 (icedyn & thsice) and natl_box (x2).
161    o few changes to pass when compiling with strick checking of arguments
162       across S/R (allow to find few bugs in S/R calls).
163    o pkg/seaice:
164     - seaice_evp: move if-statement out of loop (TEM) at the cost of 11 new
165       2d-fields, for slightly better performance
166    
167    checkpoint61t
168    o pkg/seaice:
169     - remove unused variables in seaice_evp
170     - reduce number of SQRT in seaice_evp and seaice_calc_viscosities
171    o eeset_parms.F, open_copy_data_file.F & ini_parms.F:
172       named file replacing SCRATCH files (for TARGET_BGL & TARGET_CRAYXT):
173       each processor opens a different file (a fix from Matt).
174    o cg2d:
175       use simple EXCH (overlap size = 1 and ignore corners), like in cg3d.F :
176       this reduces number of EXCH calls by 2 when using exch2.
177       For now, keep previous size array for gc2d_nsa.F to avoid Pb with store
178       directives and missing simple EXCH (exch_s3d_rx) adjoint code.
179    o pkg/thsice:
180       add code for Near Infra-Red albedo (from Jeff)
181       (turned on with run-time flag: thSIce_calc_albNIR, in data.ice).
182    o ini_model_io:
183       move (from packages_readparms.F & initialise_fixed.F) to ini_model_io.F
184       MNC & MONITOR initialisation calls; move MNC calls from {pkg}_readparms.F
185       to {pkg}_init_fixed.F for {pkg}= kpp, seaice & shelfice.
186    
187    checkpoint61s
188    o pkg/exch2 (exch2_rxN_cube*):
189       remove last BARRIER (no need to synchronise after getting data from shared
190       buffer (get) as long as any change to buffer (put,recv) is between BARRIER)
191    o change tiling of natl_box (from 2 to 4 tiles) to get it tested with MPI+MTH
192      and generate new output (for the 2 tests) using default rotationPeriod.
193    o pkg/exch2:
194      - always call exch2_*_cube, not exch-1 anymore, if useCubedSphereExchange=F
195        (was already the case with AUTODIFF_EXCH2 defined)
196      - add bj in exch2 arrays and S/R.
197      - can now use pkg/exch2 for regular (non CS) set-up; switch test experiment
198        MLAdjust to exch2 (identical results except with MPI -> truncation diff);
199    o add pkg/longstep for ptracer timestep a multiple of U/V/T/S timestep
200      - adds deltaT argument to the subroutines TIMESTEP_TRACER DWNSLP_APPLY
201        GAD_ADVECTION GAD_CALC_RHS GAD_IMPLICIT_R GAD_SOM_ADVECT
202      - verification experiment natl_box.longstep
203    o build_options: ifort+mpi_aces optfile (following Constantinos advise):
204      allow different versions of ifort (8 or 9) and different versions
205       of mpi (mpich or mpich2) to be used with the same optfile.
206      requires to load a netcdf module and set MPI_INC_DIR (see comments inside
207       optfile). Change testing scripts (example_scripts/ACESgrid) accordingly.
208    o pkg/seaice:
209      fix previous modif (3-level field removed) for old-pickup reading
210    
211    checkpoint61r
212    o pkg/seaice:
213     - clean up the 3-time levels of UICE,VICE,HEFF,AREA in three steps:
214      1. introduce fields for time step (N-1)
215      2. do not use levels 2 and 3 anymore (but keep them)
216      3. replace 3D versions of UICE,VICE,HEFF,AREA by 2D versions. This
217         includes changes to pkg/thsice/thsice_get_velocity.F,
218         model/src/external_forcing_surf.F, pkg/obcs/obcs_apply_seaice.F, and
219         pkg/obcs/obcs_apply_uvice.F.
220     - completely remove code for leap-frog time stepping for second order
221       advection
222     - adjusted adjoint accordingly;
223       gradient checks have improved by an order of magnitude!
224    
225    checkpoint61q
226    o pkg/seaice: fix bug in free slip boundary conditons for LSOR solver
227     - the boundary conditions along open boundaries are unclear, because the
228       associated masks are set to zero and are thus treated as closed when
229       applying the slip-boundary conditions.
230     - move initialisation of grid variables from seaice_init_varia to _fixed
231    o adding doc/diags_changes.txt
232    o model/src:
233      do_the_model_io: rename few pkg S/R which are called from do_the_model_io,
234       to avoid "_diags" naming if no relation to pkg/diagnostics.
235      ini_theta,ini_salt: fix (at least compile the code) reading from NetCDF
236       file and only call PLOT_FIELD_XYZ if debugMode=T.
237      remove few PLOT_FIELD_XY calls outside initialisation.
238      remove few unnecessary BARRIER.
239    o pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
240      of salt_plume package in Southern Ocean
241    o pkg/thsice:
242     - fix hOceMxL in overlap (needed for sea-ice advection);
243       update output of experiment global_ocean.cs32x15.icedyn.
244    o pkg/seaice:
245     - make the (placeholder-)tracer IceAge a little more meaningful
246      by avoiding ridging of age due to convergent ice flow
247     - add diagnostics for surface temperature, atmospheric and oceanic
248       heat flux, and atmospheric and oceanic ice growth
249    
250    checkpoint61p
251    o eesupp (global_max & global_sum):
252     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
253     - remove starting & endding barrier (no longer needed)
254    o pkg/mdsio, writelocal:
255       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
256       (remove the STOP): uses shared buffer IO to store data from all threads
257       and then let master-thread write nThreads tiles.
258    o pkg/mdsio (read/write field):
259     - tiled IO done in 1 piece (all levels at a time);
260     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
261     - multi-threaded: allow to read/write local (non-shared) array
262       (was already working with singleCpuIO ; now works also without);
263       => no longer needs barrier call after reading a file (added inside
264       mds_read/write field).
265     - move barrier calls outside gather/scatter_2d to mds_read/write_field
266    o pkg/obcs/exf
267      - exf_getffieldrec.F: add a few ". _d 0" and
268                            add code to catch the case fldperiod = 0.  
269      - obcs_precribe_read.F: change if statements so that they match
270                              the variable type (_RL)
271      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
272        exf_iprec) as part of namelist EXF_NML_01
273    o pkg/mdsio:
274      - read/write tiled (local) files: read/write 1-level tile chunk at a time
275        (instead of segment of length sNx); expected to speed up tiled IO.
276    o pkg/exch2:
277      - take buffer copy from/to array out of S/R exch2_send/recv into new
278        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
279        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
280      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
281      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
282        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
283        including Topology header file (and common blocks).
284      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
285        remove 2nd exch call in exch2_s3d_rx (no longer needed).
286      - document S/R arg. list (+ update some comments)
287    o pkg/seaice:
288      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
289        temperature and humidity over sea ice based on climatological values.
290      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
291        of LSR (this change is expected to change the results slightly because now
292        it uses slightly difference moduli from the second last LSR solution, but
293        that is more consistent with the stress computations; this part of the code
294        is not tested in the verification experiments)
295      - fix diagnostics for flux of ice in case of B-grid
296      - turn strain rates eij and press into global fields within global
297        common block in SEAICE.h for more straighforward diagnostics
298      - fix diagnostics for principal stress components, press, zeta, eta
299        to give something meaning full
300    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
301      new output (all 4 tests) using default rotationPeriod.
302    o pkg KPP:
303      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
304      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
305        and normal grid from 1 to Nr)
306    o Fix computations of L4rdt in mom_calc_visc.F
307    o eesupp:
308      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
309      should be called before a "stop" if we know that all process are going
310      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
311    
312    checkpoint61o
313    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
314    o model/src/ini_curvilinear_grid.F:
315       compute angleSin/CosC when they are not read from a file
316    o pkg/seaice:
317       add pseudo time stepping for LSOR
318    o pkg/exch2:
319       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
320    o pkg/seaice:
321       Adding separate sea ice albedo, drag coefficients, and HO in Southern
322       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
323    o SingleCpuIO:
324       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
325    o pkg/seaice:
326       put exchanged variable in (local) common block for MPI+Multi-Threads
327       to work (necessary with exch1, and for now with exch2 too).
328    o verification: to get more experiments tested with mpi, mth and mpi+mth,
329      change tiling of:
330       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
331       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
332      update output of exp:
333       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
334       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
335      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
336                       (note: output.txt generated on faulks using only 1 tile)
337    o eesupp & mdsio (SingleCpuIO):
338     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
339       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
340       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
341     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
342     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
343       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
344    o pkg/exch2:
345     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
346       read parameter file "data.exch2" if it exists; otherwise try default regular
347       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
348     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
349       with new code (not to be used, just as a backup solution).
350     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
351       in utils/exch2/input.
352    
353    checkpoint61n
354    o eesupp & mdsio (SingleCpuIO):
355      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
356        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
357        receive real*4 array (instead of real*8) to read/write 32.bit files.
358        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
359         and remove new mapping S/R)
360    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
361      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
362        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
363        when using exch2. Add S/R to map global io-buffer to global model array.
364      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
365    
366    checkpoint61m
367    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
368      and add 3 other S/R for other types (R4,R8,RS).
369      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
370    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
371     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
372     - reduce number of macro definitions (keep only those which are used);
373       can always call directly the corrresponding S/R if needed.
374     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
375       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
376     Fixed wrong type of arg in:
377       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
378       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
379     To fix: global_sum of var in common block is wrong (multi-threaded) in:
380       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
381     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
382    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
383      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
384    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
385    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
386      edges are closed (zero depth); might happen with "blank tiles";
387      for now, disabled if using OBCS.
388    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
389      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
390    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
391      to reduce length of 1.D array print in STDOUT.
392    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
393      + use 48 tiles (16x8): this will allow to test "blank tiles".
394    o start to test MPI + multi-threaded (change testreport to skip tests
395      where number of tiles do not match).
396    o genmake2: add option "-omp" to turn on Open-MP ;
397      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
398    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
399      and keep the original tile numbering. Note: compatible with old
400      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
401    
402    checkpoint61l
403    o Overlaps had been forgotten in calculating ijk keys : fixed
404    o fix cyrus makedepend for gcc 4.4
405    o experiment fizhi-cs-aqualev20:
406      switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
407      and generate new output. Note: new output is much closer to the old
408      one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
409      the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
410    o pkg/fizhi:
411     - change to avoid indices going deliberately over array-bounds
412     - remove unnecessary MPI stuff
413     - perpetual spring equinox with "#define FIZHI_USE_FIXED_DAY"
414     - new version of S/R GETPWHERE available with #define TRY_NEW_GETPWHERE:
415       does not go over array-bounds and therefore returns reliable output.
416     - in fizhi_driver.F & fizhi_turb.F, fix "get_alarm" calls:
417       this S/R has 4 output arguments, which are used inside "get_alarm";
418       when it is called with the same variable "ndum" in place of several
419       output arguments, this produces weird side effect inside "get_alarm"
420      (e.g., datein=dates(n) is overwritten by timein=times(n) since both
421       datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
422       address) and produces error.
423    o tools/gemake2: (March 27-29 2009)
424      with option "-mpi": link *_mpi files from "MODS" dir (this is what
425      testreport does).
426    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
427    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
428       update lab_sea.lsr & lab_sea.salt_plume results
429    o pkg/seaice:
430      Major overhaul of the LSOR solver: change discretization from original
431      finite differences to finite volume. The old routine is still in the
432      file seaice_lsr.F and can be turned on with the CPP-flag
433      SEAICE_OLD_AND_BAD_DISCRETIZATION
434      Along with this change, the discretization of the strain rates is changed.
435      The same flag turns on the old discretization in seaice_calc_strainrates.F
436      All verification experiments with seaice are affected (except for
437      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
438      results by setting the above flag.
439      Further changes involve changes in defaults:
440      - ALLOW_FLOODING is defined and turned on by default
441      - SEAICEadvSnow = .true. is now the default
442      - SEAICEadvSalt = .true. is now the default
443      - SEAICEadvAge  = .true. is now the default
444      - SEAICE_clipVelocities  = .false. is now the default
445                                         (as per J. Zhang's recommendation)
446      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
447        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
448      - seaice_growth: replace computation of UG by a simple copy from wspeed
449    
450    checkpoint61k
451    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
452      seaice_lsr: fixed a few metric terms,
453                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
454                  add more debugging diagnostics
455      seaice_evp: removed superfluous many metric terms of FV discretization
456                  of stress divergence
457                  affects lab_sea, lab_sea.hb87
458      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
459                  of stress divergence for non-evp solver
460                  (this part is not tested anywhere)
461      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
462                  they were effectively only half slip
463                  affects lab_sea.hb87
464      updated all relevant verification experiments (except lab_sea//output_adm.txt
465        which was left over, but fails at level 7 & 6)
466    
467    checkpoint61j
468    o pkg/seaice: turn a few hard wired parameters into run time parameters
469    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
470      time in seconds as promised by the usints in seaice_monitor and exf_monitor
471    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
472      that are not cubed-sphere grids
473    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
474    o pkg/ctrl:
475      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
476    o non-hydrostatic (calc_gw.F):
477      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
478      update output of exp. global_ocean.cs32x15.viscA4
479    o remove backward compatibility for thetaMin,phiMin
480      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
481    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
482      interpolated wind field not only for curvilineargrid=.true., but also
483      for a rotated grid (rotateGrid=.true.)
484    o pkg/exf: add capability to bypass interpolation for runoff
485      by setting yet another CPP-flag
486    o eesupp/src, B-grid exchange:
487      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
488    o autodiff
489      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
490      allows to switch to single-prec common blocks;
491      corresponding switch occurs in tamc.h, integer isbyte
492      TAF store directivs "byte" and "kind" seem equivalent;
493      Most tamc.h have been updated correspondingly.
494    
495    checkpoint61i
496    o autodiff:
497      fix autodiff_sore/_restore indices for obcs
498      (spotted by I. Hoteit, M. Mazloff)
499    o pkg/autodiff, pkg/ctrl:
500      Add flag to reduce all tapelev I/O to single-prec.
501      In data.ctrl set
502        doSinglePrecTapelev = .TRUE.
503    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
504      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
505    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
506      real fresh water flux (not yet)
507    o pkg/mdsio & rw:
508     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
509     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
510    o pkg/flt:
511     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
512       init_fixed & ini_varia.
513     - clean-up & simplify linear interpolation S/R:
514       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
515     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
516     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
517     - add vert. coordinate & horiz. indices to output files.
518     - change vertical position in initial condition, from index to depth [m].
519     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
520       (easier to get to a curvilinear grid) ; delX,delY no longer used.
521    o pkg/ggl90: a few modifications:
522     - fix bottom boundary condition, and interpolation of KappaE
523       near top and bottom
524     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
525     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
526     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
527    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
528      (maintain temporary backward compatibility, until next checkpoint)
529    
530    checkpoint61h
531    o pkg/diagnostics with "periodic averaging diagnostics":
532      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
533    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
534    o pkg/obcs: fix loop ranges for balancing code
535    o pkg/flt:
536     - improve criteria for finding which tile owns a float.
537     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
538    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
539      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
540      with ocean biogeo)
541    o pkg/flt:
542     - do some cleaning and fix the restart ;
543     - add output.txt in flt_example/results to get this pkg tested.
544    o genmake2: add an EXTENDED_SRC option and flag.
545       for now, cannot be turned on on command line (only through genmake_local)
546    o pkg/mdsio: read/write vector:
547     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
548     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
549       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
550     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
551      (drop to 4 digits matching for grad). But this test does not look very
552      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
553    
554    checkpoint61g
555    o pkg/flt:
556      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
557       + make OPTIONS file more standard.
558      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
559      - fix _BYTESWAPIO CPP-Flag
560      - standard reading of file-parameter "data.flt"
561      - fix argument list of S/R FLT_RESTART
562      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
563    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
564    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
565      a still unfixed compiler/optimization bug
566    
567    checkpoint61f
568    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
569      update results of global_ocean.cs32x15.icedyn test.
570    o move getcon.F from model/src to pkg/fizhi.
571    o pkg/exf: add parameter for extrapolation of temp up to the surface
572       and option to prevent negative evap (in bulk_largeyeager04 only).
573    o Prather Advection scheme: fix tracer conservation for divergent flow
574      (e.g., when using NonLin Free-Surface).
575    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
576    o gmredi (Visbeck-variable-K):
577     - add more parameters to Visbeck-variable-K.
578     - use a 5 points average for dSigmaR in Visbeck-K calculation
579       (more "homogenous": same stencil and same weights as in dSigmaH)
580     - update output of ideal_2D_oce experiment.
581    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
582      (#undef REAL4_IS_SLOW)
583     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
584       coordinate variable
585     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
586       (surface forcing fields), removes some of the functionality
587     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
588     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
589       probably not all: copy _RS surface flux fields to RL field before
590       calling DIAGNOSTICS_FILL
591     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
592       real*4 (CALL EXCH_*_RS) versions.
593     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
594       (generate new output).
595    
596    checkpoint61e
597    o gmredi (Visbeck-variable-K):
598      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
599      - change computation of Visbeck-K where Slope > Smax :        
600        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
601        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
602    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
603      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
604    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
605    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
606      does not become too large (to avoid precision problems in implicit-diffusion
607      solver); update ideal_2D_oce output.
608    o pkg ggl90:
609      - in ggl90_cal.F: compute only one set of visc/diff, used to
610        step forward TKE/T/S/momentum
611      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
612        have Prandlt =1)
613    o gmredi (fm07):
614      - add lower limit on Transition layer thickness + lower limit on 1/lambda
615      - allow to set few more params from data.gmredi
616    o pkg ggl90:
617          - add missing sqrt(2) factor in computation of mixing length
618            scale in ggl90_calc.F
619            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
620    
621    checkpoint61d
622    o adjoint modifs
623      - adapt to new field rhoInSitu
624      - allow to revert from StoreDynVars2D, StoreDynVars3D
625        to individual fields
626        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
627    o store 3-D (in-situ) density in commom block (DYNVARS.h)
628     - save 1 rho computation.
629     - no longer modify T & S inland when using down_slope pkg.
630    o gad_som : allow to switch to SOM advection for T & S without corresponding
631      pickup files (using new S/R: MDS_CHECK4FILE).
632    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
633      (for useSingleCpuIO to work in multi-threaded)
634    o pkg/shelfice:
635     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
636       with SHELFICEtopoFile in data.shelfice
637     - move code for reading ice shelf topography and modifying hFacC into separate
638       subroutines of the shelfice package
639     - separate initialisation of "fixed" and "variable" variables
640     - kTopC is not (yet) replaced by kSurfC, although this is possible
641    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
642    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
643      and rename:
644      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
645      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
646    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
647    
648    checkpoint61c
649    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
650      to add mass source/sink of fluid in the interior (3-D generalisation
651      of oceanic real-fresh water flux).
652    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
653    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
654    o new pkg: down_slope
655      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
656      - presently, modify T & S inland (dwnslp_calc_rho.F).
657        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
658      - implementation for ocean in P-coords not tested.
659      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
660    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
661      (to facilitate conversion of oceanic pkg to p-coordinate).
662    o change FIND_RHO to FIND_RHO_2D :
663      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
664    o new pkg: cheapaml
665    
666    checkpoint61b
667    o exch2:
668      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
669      - no longer depend on the order sequence (N,S,E,W).
670      - 3rd exchange no longer needed (tested with 24 tiles).
671      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
672      - exch_UV_A-grid readily available (but not yet tested).
673      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
674      (both are no longer needed) in exch_uv: no effect in forward run; but
675       get truncation error differences with adjoint exch.
676    o exch2:
677     - change index-bounds storage (moved from target to local tile,
678       more intuitive this way) ; rename/remove some variables.
679     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
680    
681    checkpoint61a
682    o exch2/matlab-topology-generator:
683      fix bug in index bounds for N-S internal exchange (hard to tell if this
684      had any effect on the solution).
685    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
686      is exceeded
687    o testreport: modify syntax of awk, so that it works also with
688      awk, and not only with nawk and gawk
689    
690    checkpoint61
691    o autodiff
692      Change default for TAF usage by removing argument '-nonew_arg'
693      This changes TAF subroutine argument list (ordering of active var.)
694      Omission of this flag leads to incompatibility w.r.t. TAMC
695      To restore TAMC-compatibility, need following modifs:
696      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
697      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
698      Tested TAF version is 1.9.22
699      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
700    
701    checkpoint60
702    --->>> This is the last checkpoint for which generating the adjoint
703    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
704    --->>> by default.
705    --->>> Future checkpoints will ommit this flag by default.
706    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
707    o pkg/grdchk: Add gradient check to etan0 perturbations.
708    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
709    o pkg/autodiff: more flexibility in zeroadj.
710      model/src: modifying do_oceanic_phys.F accordingly.
711    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
712    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
713      special setup of gmredi for which the adjoint is stable
714      enough for parameter optimization.
715    o bridging the gap between eddy stress and GM.
716      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
717          along with a change in CPP option (now ALLOW_EDDYPSI).
718      -> when using GM w/ GM_AdvForm:
719          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
720          is applied either in the tracer Eq. or in momentum Eq.
721          depending on data.gmredi (intro. GM_InMomAsStress).
722      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
723      The key modifications are in model/src/taueddy_external_forcing.F
724      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
725    
726    checkpoint59r
727    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
728      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
729      fix option to read coriolis(@ cell-corner) from files with CS-grid.
730    o pkg/mnc: add some attributes to standard 1D-coordinate variables
731    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
732      mass points, when using mnc for output
733      - add runtime parameter (missing_value, missing_value_int) to override
734        default (which is the value of getcon('UNDEF'))
735    o pkg/mnc: prepare mnc for the actual use of missing values with the
736      diagnostics package: small fix in mnc_cw_readwrite.template and more
737      initialisation of never used fields
738      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
739      versions
740    o pkg/thsice/thsice_ini_vars.F added default initial values so that
741      thermodynamics sea ice solver does not blow up when some initial fields
742      are missing.
743    o move from external_forcing_surf.F to ini_forcing.F
744      the p-coord. hack consisting in using pLoad to set phi0surf ;
745      update output of tutorial_global_oce_in_p (affected @ truncation level).
746    o Freshen up a bit hs94.1x64x5, notably:
747      remove rotationPeriod and tRef=5*0. (adjoint only), and add
748      exactConserv=.TRUE.
749    o pkg/generic_advdiff:
750      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
751      applies to files where Temperature & Salinity 2nd Order moments are used.
752    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
753      this uses a dynamically allocated internal state data structure
754      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
755      and requires a fortran 90 compiler
756    
757    checkpoint59q
758    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
759       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
760    o Refresh tutorial_global_oce_biogeo, notably:
761      - change bathymetry (put back seamounts in ACC, use hFacs)
762      - change EOS (POLY3 --> JMD95Z)
763      - use Bryan-Lewis vertical diffusivity
764      - use multidimensional advection
765      - remove old virtual virtual in dic pkg, now done through ptracer pkg
766      - change a couple of parameters in dic pkg
767    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
768    o pkg/obcs: change default to OBCSfixTopo = .true.,
769      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
770      - replace "debugMode" with "debugLevel .GE. debLevB"
771    o implementation of TAF directives for gchem,cfc,dic
772    o remove "exp5" (replaced by tutorial_deep_convection).
773    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
774      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
775      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
776      --> changes results in exp4, seaice_obcs
777    o tutorial_deep_convection :
778      update the set-up and increase resolution and domain size ; start
779      from pseudo initial conditions = output at t=120mn in order to see
780      something happening when running testreport.
781    o pkg/seaice: add os7mp as an advection scheme
782                  add check for advection schemes
783                  add a flag for restoring T and S underneath sea ice
784    o pkg/my82: add netcdf-support and diagnostics
785    o thsice pkg:
786      - Now hsMax limits snow height by turning it into ice following
787        flooding scheme (and now conserving energy)
788      - Slight rewriting of the formula in thsice_calc_thick.F
789      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
790      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
791    
792    checkpoint59p
793    o gchem / dic / cfc :
794      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
795      - add new parameter files: "data.dic" & "data.cfc" ;
796      - various re-arrangement in initialisation & header file ;
797      - fix tutorial_global_oce_biogeo for multi-threaded test.
798    o pkg/dic: test for "pickup_dic" file when restarting ;
799      if no pickup-file, can restart with a re-initialised pH (same as it did
800      before) providing pickupStrictlyMatch is set to False.
801    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
802      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
803    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
804      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
805    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
806     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
807       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
808    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
809       scheme to use for vorticty-term ;
810     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
811       (with default selectVortScheme, return to original discretisation)
812     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
813    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
814    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
815      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
816      also fix diagnostics VISCAHW & VISCA4W.
817    
818    checkpoint59o
819    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
820    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
821      move a few statemens out the main loop into separate loops
822    o pkg/shelfice:
823      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
824        (kg/m^2/s), does not break tests, because in verification/isomip,
825        rhoConstFresh=rhoConst (by accident)
826      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
827      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
828        new file model/src/seawater.F, so that they are available for all pkgs.
829      - convert potential temperature into in-situ temperature. This changes the
830        isomip tests => update tests
831    o add a flag writePickupAtEnd (default=true) to be able to suppress
832      writing a pickup at the last timestep
833    o tools/mpack-1.6 :
834      - disable automake (not working) and autoconf (not needed).
835      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
836        also cleaner with much less compilation warnings.
837    o pkg/profiles:
838      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
839      (for "less than 32 characters name" compiler requirement)
840    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
841      conditions that have a different sampling frequency than S/T/U/V obcs
842    o pkg/diagnostics (stats-diags):
843      - fix global Min/Max in case 1 processor get only empty tiles
844    o genmake2: replace (4 times)
845         make genmake_tc_1.o >> genmake_warnings 2>&1
846      with
847         COMM="$CC $CFLAGS -c genmake_tc_1.c"
848         echo $COMM >> genmake_warnings
849         $COMM >> genmake_warnings 2>&1
850      to make genmake2 always see the value of CC as specified in the optfile.
851    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
852      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
853      - modify verification advect_cs test to test SOM-advection on CS-grid.
854    o pkg/ctrl:
855      - Rewrite of ctrl_map_ini_ecco.F,
856        introducing a generic routine (ctrl_map_ini_gen.F).
857      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
858    
859    checkpoint59n
860    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
861      number in dedicate array "hdiag":
862      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
863        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
864      - many small changes (integer format) for large number of diagnostics
865      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
866        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
867    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
868      usingSphericalGrid, this allows to define the rotated grid coordinates
869      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
870      geographical coordinates according to the inverse of the rotation defined
871      by the Euler angles, so that Coriolis parameter and online-interpolation by
872      exf works with the geographical coordinates on XC/YC/XG/YG.
873      Naturally, this feature does not work with all packages, so some
874      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
875      profiles), because there the coordinates are assumed to be regular
876      spherical grid coordinates.
877    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
878      - introduce isopycnal diffusion coefficient control.
879    o tools/adjoint_options:
880      - additional control vector components.
881    o pkg/mnc: have mnc create marginally meaning full coordinate variables
882      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
883    o pkg/mypackage:
884      - add example of read/write pickup for state-var ;
885      - add entry points to the main code for state-vars diags & write-pickup.
886    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
887      transitions for useExfYearlyFields
888      - add new subroutine that determines the file to read from for
889        use*YearlyFields = .TRUE. and .FALSE.
890      - add a verification experiment to global_with_exf that tests
891        useExfYearlyFields with USE_EXF_INTERPOLATION defined
892    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
893      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
894      subroutines (which could be generated from a template, because they are
895      almost identical), for now they are included in obcs_prescribe_read.F for
896      simplicity
897    o pkg/exf:
898      - add a little more diagnostic to exf_interp_read (in analogy to
899        mds_read_field, can be turned off with debugLevel < debugLevA=1)
900      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
901        ugly but fast by unrolling short inner loops, inserting a unroll=8
902        directive in routine lagran, and splitting a loop and making do while the
903        outermost loop (the latter requires the intoduction of index arrays)
904    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
905    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
906      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
907    o verification/seaice_obcs: updated for restart test and latest options
908    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
909      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
910      for now this is only available for the C-grid code and also within
911      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
912    
913    checkpoint59m
914    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
915      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
916    o gad_som : fix flux output (& diagnostics) to have same units as other  
917      advection scheme fluxes (was previously multiplied by deltaT).  
918    o added verification/seaice_obcs both to test seaice open boundaries
919      and to provide an example matlab scrpt for generating them
920    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
921    o pkg/salt_plume: clean up salt_plume_frac.F to
922      remove redundancy in PlumeMethod 1 and 4
923    o pkg/kpp: added saltplume diagnostics
924    o pkg/obcs and pkg/seaice:
925      - do not set uice and vice to zero when OB*icefile are unspecified
926      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
927      - moved seaice tracer obcs after call to seaice_growth
928    o pkg/salt_plume: added various options for salt plume depth
929      criterion and for vertical distribution of the salt
930    
931    checkpoint59l
932    o pkg/ptracers: new version of ptracers pickup:
933      read meta file and write only fields which are needed to restart.
934      ( same logic as main pickup file ; also using pickupStrictlyMatch )
935    o pkg/seaice:
936      - add timescale for melting due to warm mixed layer as a means of
937        setting SEAICE_availHeatFrac more conveniently
938      - add a CPP-flag/runtime parameter check for flooding algorithm
939      - reformulated availHeat in seaice_growth.F to be independent of AREA
940    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
941      unit changes
942    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
943    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
944      SX vector computer.
945    o pkg/seaice:
946      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
947        seaice forcing fields can now be read only through pkg/exf
948      - removed some unused halos
949    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
950    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
951      or U/VICE from U/VWIND before computing U/VSTRESS
952    
953    checkpoint59k
954    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
955      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
956    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
957      all experiments pass when compile with un-initialised var. checking option.
958    o added pkg/salt_plume
959    o script to test restart (for now, in MITgcm_contrib/jmc_script)
960    o pkg/seaice: new read/write pickup version.
961      read meta file and write only fields which are needed to restart.
962      ( same logic as main pickup file ; also using pickupStrictlyMatch )
963    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
964    o lab_sea.hb87: modify the domain & update output.hb87.txt :
965      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
966      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
967      process. Fixed here by closing the domain at the Northern boundary.
968    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
969    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
970      a set of consecutive levels in/from a 3-D array.
971    o pkg/ptracers:
972      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
973      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
974    
975    checkpoint59j
976    o in pkgs: dic, obcs, offline, rbcs:
977      standard way to compute coeff. for time interpolation between 2 time reccords
978      which retains full precision (& make results less dependent on compiler).
979      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
980    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
981      packages instead of reading ice cover and wind speed separately
982    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
983     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
984      to allow to compile customized code before the update)
985    o cleaning-up:
986      - fix CPP instruction syntax in pkg/obcs
987      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
988        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
989      - fix some threads issue in IO parts.
990    o pkg/dic:
991      - add tons of "_d 0" (--> much better testreports !)
992       and then update outputs of tutorial_global_oce_biogeo
993    o pkg/mom_fluxform:
994      add a special version of momentum advection intended to conserve momentum
995      next to a bathymetry step or a coastline edge. (default = off = #undef)
996    o new read/write pickup version:
997      - for now, only implemented for main (mdsio) pickup file.
998      - write out only what is needed to restart; merge pickup_nh , pickup_ph
999        and main pickup together.
1000      - read meta file; read only what is needed to restart; stop if a field
1001        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
1002        if it make sense (even if the restart is not perfect).
1003      - if no meta file, assume that pickup to read corresponds exactly to
1004        a pickup that would currently be written.
1005      - read pickup written in the old format (until checkpoint59i) if it
1006        recognizes an old meta file (no field-list).
1007      - add a meta file in exp. which starts from a pickup: 2 cases:
1008        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
1009         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
1010        b) a meta file describing the content of the associated pickup file
1011         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
1012    o pkg/mdsio & pkg/rw:
1013      - new routine to read a meta file ; new set of routine to read
1014        Multiple-fields file (with meta file).
1015    o added open boundary conditions capability for seaice
1016        HSNOW, HSALT, UICE, and VICE
1017    
1018    checkpoint59i
1019  o adjoint:  o adjoint:
1020    * fix multiDimAdvection adjoint    * fix multiDimAdvection adjoint
1021      (partial recomputation problem by TAF for fVerT(:,:,kDown)      (partial recomputation problem by TAF for fVerT(:,:,kDown)
# Line 35  o add a little bit of code to gad_os7mp_ Line 1047  o add a little bit of code to gad_os7mp_
1047  o add new diagnostics to seaice: advective, diffusive fluxes (only for  o add new diagnostics to seaice: advective, diffusive fluxes (only for
1048    multidim-advection, for scheme 2 they are not filled) and transports,    multidim-advection, for scheme 2 they are not filled) and transports,
1049    thermodynamic growth rates    thermodynamic growth rates
1050  o change units of EmPmR (inside the code) from m/s to kg/m2/s (mass flux) but  o change units of EmPmR (inside the code, + within coupling interface)
1051    leave input file unchanged. Affects results @ truncation level (cg2d match)    from m/s to kg/m2/s (mass flux) but leave input file unchanged.
1052    and update output of experiments: lab_sea(6), global_ocean.90x40x15(10),    Affects results @ truncation level (cg2d match) and update output of
1053       experiments: lab_sea(6), global_ocean.90x40x15(10),
1054    global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)    global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
1055    + adjoint results: global_ocean_ebm(11) and lab_sea (12).    + adjoint results: global_ocean_ebm(11) and lab_sea (12).
1056      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
1057    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
1058    
1059  checkpoint59h  checkpoint59h
# Line 1833  o add two new packages Line 2847  o add two new packages
2847    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2848    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2849      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2850      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2851  o add offline package  o add offline package
2852  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2853    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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