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revision 1.895 by heimbach, Fri Oct 19 21:03:09 2007 UTC revision 1.1194 by mlosch, Fri Nov 13 09:05:35 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
8     - change (once again) the discretization for the evp solver: rather than
9       squaring the averages of strain rates, average the squares to give
10       a better approximation to VP behavior (in simple test); this breaks
11       verification experiments that use EVP (lab_sea and lab_sea.hb87)
12        --> update outputs
13    o add CPP-flag (in mom_calc_visc.F) and TAF directive (in gmredi_slope_limit)
14      to improve vectorization of adjoint code on TARGET_NEC_SX
15    o verification/vermix:
16      - change vermix to a more "classical" 1d column with high vertical
17        resolution, seasonal heat flux forcing and constant wind forcing
18        --> update outputs
19    o pkg/seaice
20     - fix diagnostics of principal stress components for EVP
21     - add optional diagnostics of non-linear convergence for LSOR solver
22     - make maximum zeta a runtime parameter
23    o model/src (3-d solver):
24      Undo modif from Dec 12, 2005 (solve_for_pressure.F cvs version v.49),
25       which consisted in removing the Surf. Non-Hydrostatic pressure from the
26       whole column and adding it to Eta (inspired from Casualli, 1999):
27       Only affects 3-D solver initial guess and only if using ExactConserv,
28       but tests did show a degradation of solver convergence. For this reason,
29       decide to disable this piece of code.
30       to recover previous version, just set zeroPsNH = exactConserv (line 78).
31      Update output of exp. global_ocean.cs32x15.viscA4 & hs94.cs-32x32x5.impIGW
32    o pkg/ggl90:
33     - fix previous modif (unfortunatly has not been documented here).
34    o pkg/seaice/autodiff:
35     - add CPP flag to include clipping of zeta in EVP code;
36       although clipping of zeta is not necessary for EVP and not recommended
37       it was done by default, now clipping is disabled by default
38     - modify computation and store zetaC/Z in seaice_evp for TAF
39     - add CPP-flag SEAICE_ALLOW_CLIPVELS (undefined by default)
40     - change seaice_calc_viscosities/strainrates for better
41       vectorization after AD by TAF
42     - rearrange common blocks in SEAICE.h once again for easier dumps of
43       adjoint output, adjust adcommon.h and g_common.h
44     - change flux form of default advection scheme for better vectorization
45       of adjoint code
46     - modify lab_sea/input.lsr to test the flux form of default advection
47       scheme
48    o autodiff: fix seaice fields in g_common.h (left over from 3 to 1 level
49      transition in checkpoint61r)
50    
51    checkpoint61x
52    o adjoint: adding two new verification experiments
53      * tutorial_global_biogeo: an online dic sensitivity experiment
54        (work with G. Forget)
55      * tutorial_dic_adjoffline: an offline dic sensitivity experiment
56        (an update of the Dutkiewicz et al., 2006 paper)
57      Both use the same CO2FLUX cost function, but different controls
58      Gradient checks look good, but some recomp. could still be traightened out
59      Should add xx_dic control variable to test at some point
60    o model/src:
61      add run-time parameters to check and/or mask initial Temp & Salt
62    o pkg/ptracers:
63      apply zonal filter (if used) to all passive tracers
64    
65    checkpoint61w
66    o adjoint:
67      * update and finish work on adjoint of dic package (G. Forget)
68      * start adjoint of offline package
69      * bug fix for cube-sphere TLM code (active_file_g.F)
70    o tutorial_global_oce_optim:
71      now tested with 4 tiles (change data.grdchk and update output_adm.txt)
72      and add SIZE.h_mpi for MPI testing
73    o pkg autodiff
74     - fix bug in autodiff_restore
75     - make genmake2 remove comments and empty lines from ad_input_code.f in
76       order to reduce file size (new script file remove_comments_sed)
77    o allows to specify vertical profile of vertical viscosity (viscArNr)
78    o pkg autodiff
79      autodiff_ini_model_io: comment out writing of grid information to netcdf
80      files, because at this time the grid fields are a bunch of zeros
81      (this is analogous to ini_mnc_vars.F)
82    o pkg seaice/autodiff:
83     left-over from removing the 3-time-level fields:
84     - small rearrangement of common blocks (SEAICE.h)
85     - fix field declaration in order to get meaningful output in
86       adseaice.*.nc (adcommon.h)
87    o pkg obcs:
88     - go through NH code only if nonHydrostatic=T
89     - fix restart for Orlanski (Hydrostatic; still to fix NH+Orlanski restart)
90     - move call to OBCS_CALC before SEAICE_MODEL which needs seaice-obc fields
91       => Update output of experiment seaice_obcs
92     - useOBCSbalance: code is wrong with multi-tile / proc: add a stop.
93     - fix NH+Orlanski restart (add wvel OBC value in pickup file)
94     - fix restart for useOBCSprescribe + useEXF
95    o pkg ctrl
96     - make obcs as control parameter work also with useSingleCPUio
97     - replace a few sny and snx by Ny and Nx to be consistent with
98       ctrl_set_globfld_x/yz.F
99    o pkg seaice
100     - re-introduce global field frWtrAtm for the case of
101       ALLOW_MEAN_SFLUX_COST_CONTRIBUTION defined (SEAICE.h, seaice_growth.F)
102     - catch the case of an empty filename in seaice_cost_init_fixed.F
103    o pkg ecco:
104     - small bug fixes in the_main_loop
105      . fix order of monitor arguments
106      . change SEAICE_MULTILEVEL to SEAICE_MULTICATEGORY
107      . move include DYNVARS.h up outside the ALLOW_AUTODIFF_TAMC block so
108        that ALLOW_ECCO_FORWARD_RUN works with NONLIN_FRSURF
109     - replace cos(yc*deg2rad) by _rA in cost_mean_heat/saltflux.F, fix the
110       imbalance diagnostics for wmean_h/sflux = 0
111     - add actual values to f_obcsn/s/w/e in ecco_cost_final.F
112     - catch the case of empty filenames in ecco_cost_init_fixed.F
113       and ecco_readparms.F
114     - fix the logic of wsalt=0.and.wsalt2=0 to wsalt=0.or.wsalt2=0 (and theta)
115       to make this statement meaningfull in ecco_cost_weights.F
116    o pkg zonal_filt:
117      - change ZONAL_FILTER S/R interface (allows to filter 2-D fields)
118      - when using rStar, filter uVel*hFacW instead of uVel
119       (tested without topography: fix a Pb of growing instability with NLFS)
120    o pkg/aim/thsice:
121     -Add capacity to read a Q-Flux to be applied in slab-mixed layer thsice_slab_ocean.F
122      (works as SST restoring)
123    o pkg/thsice:
124     -add specific parameter for salt restoring in slab mixed-layer
125       (by default equal to the temperature restoring)
126    
127    checkpoint61v
128    o pkg/kpp:
129     -add double diffusive contributions as a hack, turned off by default
130      for now, and the code can be excluded with a CPP-flag
131      EXCLUDE_KPP_DOUBLEDIFF just as EXCLUDE_KPP_SHEAR_MIX
132     -add a verification experiments to "vermix" to test this code
133    o pkg/mom_common:
134      Move computation of length scales to mom_init_fixed.F (avoid recomputation
135      at each time-steps*levels).
136    o pkg/layers:
137      Created a new package for computing volume fluxes in temperature or
138      [not yet implemented] density layers, e.g. for calculating residual
139      overturning circulations.
140    o pkg/diagnostics:
141      implement a RS type version for the set of DIAGNOSTICS-FILL subroutines
142    o fix few RS/RL type mismatch (check with ifort 11.1 "-warn all" option)
143    o pkg/mdsio (& pkg/rw): rework high level S/R interface:
144      To avoid mixing type (RS/RL) of input/output array argument,
145      replace single mixed-type array with a pair from each type (RS/RL).
146    o setting pickupSuff force to start from a pickup (even if nIter0=0): this
147      is now implemented for all pkgs (previously only done for the main pickup)
148    
149    checkpoint61u
150    o pkg/obcs:
151      - change OB?eta from _RS to _RL and put them into a separate commen block
152      - add code to read OB?eta from a file via obcs_prescribe_read: the code
153        compiles and does not destroy any other experiments, the data is read
154        properly, but the code is not tested in actual applications
155    o ini_mnc_vars.F: if available (ALLOW_CAL), use startTime_1 and 2 to
156      create a meaningful unit attribute for the time coordinate variable
157    o pkg/ebm: add plenty of missing "_d 0" ;
158       update results of experiment global_ocean_ebm (fwd + adjoint tests)
159      Notes: several pieces of code only works for (very) specific set up
160       (domain size, lat range, etc ...); should be documented & stop if one
161       of those assumptions is not meet.
162    o pkg/seaice: add missing "_d 0" in HSNOW initialisation
163       update results of experiments: lab_sea (3 fwd tests + 2 adjoint tests)
164          and offline_exf_seaice (seaicetd + adjoint).
165    o add missing "_d 0" in ShortWave flux penetration (S/R SWFRAC):
166       update results of experiments: lab_sea (4 fwd tests + 3 adjoint),
167        seaice_obcs, global_ocean.cs32x15 (icedyn & thsice) and natl_box (x2).
168    o few changes to pass when compiling with strick checking of arguments
169       across S/R (allow to find few bugs in S/R calls).
170    o pkg/seaice:
171     - seaice_evp: move if-statement out of loop (TEM) at the cost of 11 new
172       2d-fields, for slightly better performance
173    
174    checkpoint61t
175    o pkg/seaice:
176     - remove unused variables in seaice_evp
177     - reduce number of SQRT in seaice_evp and seaice_calc_viscosities
178    o eeset_parms.F, open_copy_data_file.F & ini_parms.F:
179       named file replacing SCRATCH files (for TARGET_BGL & TARGET_CRAYXT):
180       each processor opens a different file (a fix from Matt).
181    o cg2d:
182       use simple EXCH (overlap size = 1 and ignore corners), like in cg3d.F :
183       this reduces number of EXCH calls by 2 when using exch2.
184       For now, keep previous size array for gc2d_nsa.F to avoid Pb with store
185       directives and missing simple EXCH (exch_s3d_rx) adjoint code.
186    o pkg/thsice:
187       add code for Near Infra-Red albedo (from Jeff)
188       (turned on with run-time flag: thSIce_calc_albNIR, in data.ice).
189    o ini_model_io:
190       move (from packages_readparms.F & initialise_fixed.F) to ini_model_io.F
191       MNC & MONITOR initialisation calls; move MNC calls from {pkg}_readparms.F
192       to {pkg}_init_fixed.F for {pkg}= kpp, seaice & shelfice.
193    
194    checkpoint61s
195    o pkg/exch2 (exch2_rxN_cube*):
196       remove last BARRIER (no need to synchronise after getting data from shared
197       buffer (get) as long as any change to buffer (put,recv) is between BARRIER)
198    o change tiling of natl_box (from 2 to 4 tiles) to get it tested with MPI+MTH
199      and generate new output (for the 2 tests) using default rotationPeriod.
200    o pkg/exch2:
201      - always call exch2_*_cube, not exch-1 anymore, if useCubedSphereExchange=F
202        (was already the case with AUTODIFF_EXCH2 defined)
203      - add bj in exch2 arrays and S/R.
204      - can now use pkg/exch2 for regular (non CS) set-up; switch test experiment
205        MLAdjust to exch2 (identical results except with MPI -> truncation diff);
206    o add pkg/longstep for ptracer timestep a multiple of U/V/T/S timestep
207      - adds deltaT argument to the subroutines TIMESTEP_TRACER DWNSLP_APPLY
208        GAD_ADVECTION GAD_CALC_RHS GAD_IMPLICIT_R GAD_SOM_ADVECT
209      - verification experiment natl_box.longstep
210    o build_options: ifort+mpi_aces optfile (following Constantinos advise):
211      allow different versions of ifort (8 or 9) and different versions
212       of mpi (mpich or mpich2) to be used with the same optfile.
213      requires to load a netcdf module and set MPI_INC_DIR (see comments inside
214       optfile). Change testing scripts (example_scripts/ACESgrid) accordingly.
215    o pkg/seaice:
216      fix previous modif (3-level field removed) for old-pickup reading
217    
218    checkpoint61r
219    o pkg/seaice:
220     - clean up the 3-time levels of UICE,VICE,HEFF,AREA in three steps:
221      1. introduce fields for time step (N-1)
222      2. do not use levels 2 and 3 anymore (but keep them)
223      3. replace 3D versions of UICE,VICE,HEFF,AREA by 2D versions. This
224         includes changes to pkg/thsice/thsice_get_velocity.F,
225         model/src/external_forcing_surf.F, pkg/obcs/obcs_apply_seaice.F, and
226         pkg/obcs/obcs_apply_uvice.F.
227     - completely remove code for leap-frog time stepping for second order
228       advection
229     - adjusted adjoint accordingly;
230       gradient checks have improved by an order of magnitude!
231    
232    checkpoint61q
233    o pkg/seaice: fix bug in free slip boundary conditons for LSOR solver
234     - the boundary conditions along open boundaries are unclear, because the
235       associated masks are set to zero and are thus treated as closed when
236       applying the slip-boundary conditions.
237     - move initialisation of grid variables from seaice_init_varia to _fixed
238    o adding doc/diags_changes.txt
239    o model/src:
240      do_the_model_io: rename few pkg S/R which are called from do_the_model_io,
241       to avoid "_diags" naming if no relation to pkg/diagnostics.
242      ini_theta,ini_salt: fix (at least compile the code) reading from NetCDF
243       file and only call PLOT_FIELD_XYZ if debugMode=T.
244      remove few PLOT_FIELD_XY calls outside initialisation.
245      remove few unnecessary BARRIER.
246    o pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
247      of salt_plume package in Southern Ocean
248    o pkg/thsice:
249     - fix hOceMxL in overlap (needed for sea-ice advection);
250       update output of experiment global_ocean.cs32x15.icedyn.
251    o pkg/seaice:
252     - make the (placeholder-)tracer IceAge a little more meaningful
253      by avoiding ridging of age due to convergent ice flow
254     - add diagnostics for surface temperature, atmospheric and oceanic
255       heat flux, and atmospheric and oceanic ice growth
256    
257    checkpoint61p
258    o eesupp (global_max & global_sum):
259     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
260     - remove starting & endding barrier (no longer needed)
261    o pkg/mdsio, writelocal:
262       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
263       (remove the STOP): uses shared buffer IO to store data from all threads
264       and then let master-thread write nThreads tiles.
265    o pkg/mdsio (read/write field):
266     - tiled IO done in 1 piece (all levels at a time);
267     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
268     - multi-threaded: allow to read/write local (non-shared) array
269       (was already working with singleCpuIO ; now works also without);
270       => no longer needs barrier call after reading a file (added inside
271       mds_read/write field).
272     - move barrier calls outside gather/scatter_2d to mds_read/write_field
273    o pkg/obcs/exf
274      - exf_getffieldrec.F: add a few ". _d 0" and
275                            add code to catch the case fldperiod = 0.  
276      - obcs_precribe_read.F: change if statements so that they match
277                              the variable type (_RL)
278      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
279        exf_iprec) as part of namelist EXF_NML_01
280    o pkg/mdsio:
281      - read/write tiled (local) files: read/write 1-level tile chunk at a time
282        (instead of segment of length sNx); expected to speed up tiled IO.
283    o pkg/exch2:
284      - take buffer copy from/to array out of S/R exch2_send/recv into new
285        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
286        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
287      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
288      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
289        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
290        including Topology header file (and common blocks).
291      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
292        remove 2nd exch call in exch2_s3d_rx (no longer needed).
293      - document S/R arg. list (+ update some comments)
294    o pkg/seaice:
295      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
296        temperature and humidity over sea ice based on climatological values.
297      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
298        of LSR (this change is expected to change the results slightly because now
299        it uses slightly difference moduli from the second last LSR solution, but
300        that is more consistent with the stress computations; this part of the code
301        is not tested in the verification experiments)
302      - fix diagnostics for flux of ice in case of B-grid
303      - turn strain rates eij and press into global fields within global
304        common block in SEAICE.h for more straighforward diagnostics
305      - fix diagnostics for principal stress components, press, zeta, eta
306        to give something meaning full
307    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
308      new output (all 4 tests) using default rotationPeriod.
309    o pkg KPP:
310      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
311      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
312        and normal grid from 1 to Nr)
313    o Fix computations of L4rdt in mom_calc_visc.F
314    o eesupp:
315      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
316      should be called before a "stop" if we know that all process are going
317      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
318    
319    checkpoint61o
320    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
321    o model/src/ini_curvilinear_grid.F:
322       compute angleSin/CosC when they are not read from a file
323    o pkg/seaice:
324       add pseudo time stepping for LSOR
325    o pkg/exch2:
326       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
327    o pkg/seaice:
328       Adding separate sea ice albedo, drag coefficients, and HO in Southern
329       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
330    o SingleCpuIO:
331       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
332    o pkg/seaice:
333       put exchanged variable in (local) common block for MPI+Multi-Threads
334       to work (necessary with exch1, and for now with exch2 too).
335    o verification: to get more experiments tested with mpi, mth and mpi+mth,
336      change tiling of:
337       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
338       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
339      update output of exp:
340       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
341       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
342      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
343                       (note: output.txt generated on faulks using only 1 tile)
344    o eesupp & mdsio (SingleCpuIO):
345     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
346       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
347       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
348     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
349     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
350       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
351    o pkg/exch2:
352     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
353       read parameter file "data.exch2" if it exists; otherwise try default regular
354       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
355     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
356       with new code (not to be used, just as a backup solution).
357     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
358       in utils/exch2/input.
359    
360    checkpoint61n
361    o eesupp & mdsio (SingleCpuIO):
362      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
363        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
364        receive real*4 array (instead of real*8) to read/write 32.bit files.
365        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
366         and remove new mapping S/R)
367    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
368      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
369        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
370        when using exch2. Add S/R to map global io-buffer to global model array.
371      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
372    
373    checkpoint61m
374    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
375      and add 3 other S/R for other types (R4,R8,RS).
376      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
377    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
378     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
379     - reduce number of macro definitions (keep only those which are used);
380       can always call directly the corrresponding S/R if needed.
381     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
382       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
383     Fixed wrong type of arg in:
384       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
385       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
386     To fix: global_sum of var in common block is wrong (multi-threaded) in:
387       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
388     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
389    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
390      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
391    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
392    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
393      edges are closed (zero depth); might happen with "blank tiles";
394      for now, disabled if using OBCS.
395    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
396      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
397    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
398      to reduce length of 1.D array print in STDOUT.
399    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
400      + use 48 tiles (16x8): this will allow to test "blank tiles".
401    o start to test MPI + multi-threaded (change testreport to skip tests
402      where number of tiles do not match).
403    o genmake2: add option "-omp" to turn on Open-MP ;
404      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
405    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
406      and keep the original tile numbering. Note: compatible with old
407      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
408    
409    checkpoint61l
410    o Overlaps had been forgotten in calculating ijk keys : fixed
411    o fix cyrus makedepend for gcc 4.4
412    o experiment fizhi-cs-aqualev20:
413      switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
414      and generate new output. Note: new output is much closer to the old
415      one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
416      the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
417    o pkg/fizhi:
418     - change to avoid indices going deliberately over array-bounds
419     - remove unnecessary MPI stuff
420     - perpetual spring equinox with "#define FIZHI_USE_FIXED_DAY"
421     - new version of S/R GETPWHERE available with #define TRY_NEW_GETPWHERE:
422       does not go over array-bounds and therefore returns reliable output.
423     - in fizhi_driver.F & fizhi_turb.F, fix "get_alarm" calls:
424       this S/R has 4 output arguments, which are used inside "get_alarm";
425       when it is called with the same variable "ndum" in place of several
426       output arguments, this produces weird side effect inside "get_alarm"
427      (e.g., datein=dates(n) is overwritten by timein=times(n) since both
428       datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
429       address) and produces error.
430    o tools/gemake2: (March 27-29 2009)
431      with option "-mpi": link *_mpi files from "MODS" dir (this is what
432      testreport does).
433    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
434    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
435       update lab_sea.lsr & lab_sea.salt_plume results
436    o pkg/seaice:
437      Major overhaul of the LSOR solver: change discretization from original
438      finite differences to finite volume. The old routine is still in the
439      file seaice_lsr.F and can be turned on with the CPP-flag
440      SEAICE_OLD_AND_BAD_DISCRETIZATION
441      Along with this change, the discretization of the strain rates is changed.
442      The same flag turns on the old discretization in seaice_calc_strainrates.F
443      All verification experiments with seaice are affected (except for
444      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
445      results by setting the above flag.
446      Further changes involve changes in defaults:
447      - ALLOW_FLOODING is defined and turned on by default
448      - SEAICEadvSnow = .true. is now the default
449      - SEAICEadvSalt = .true. is now the default
450      - SEAICEadvAge  = .true. is now the default
451      - SEAICE_clipVelocities  = .false. is now the default
452                                         (as per J. Zhang's recommendation)
453      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
454        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
455      - seaice_growth: replace computation of UG by a simple copy from wspeed
456    
457    checkpoint61k
458    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
459      seaice_lsr: fixed a few metric terms,
460                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
461                  add more debugging diagnostics
462      seaice_evp: removed superfluous many metric terms of FV discretization
463                  of stress divergence
464                  affects lab_sea, lab_sea.hb87
465      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
466                  of stress divergence for non-evp solver
467                  (this part is not tested anywhere)
468      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
469                  they were effectively only half slip
470                  affects lab_sea.hb87
471      updated all relevant verification experiments (except lab_sea//output_adm.txt
472        which was left over, but fails at level 7 & 6)
473    
474    checkpoint61j
475    o pkg/seaice: turn a few hard wired parameters into run time parameters
476    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
477      time in seconds as promised by the usints in seaice_monitor and exf_monitor
478    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
479      that are not cubed-sphere grids
480    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
481    o pkg/ctrl:
482      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
483    o non-hydrostatic (calc_gw.F):
484      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
485      update output of exp. global_ocean.cs32x15.viscA4
486    o remove backward compatibility for thetaMin,phiMin
487      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
488    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
489      interpolated wind field not only for curvilineargrid=.true., but also
490      for a rotated grid (rotateGrid=.true.)
491    o pkg/exf: add capability to bypass interpolation for runoff
492      by setting yet another CPP-flag
493    o eesupp/src, B-grid exchange:
494      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
495    o autodiff
496      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
497      allows to switch to single-prec common blocks;
498      corresponding switch occurs in tamc.h, integer isbyte
499      TAF store directivs "byte" and "kind" seem equivalent;
500      Most tamc.h have been updated correspondingly.
501    
502    checkpoint61i
503    o autodiff:
504      fix autodiff_sore/_restore indices for obcs
505      (spotted by I. Hoteit, M. Mazloff)
506    o pkg/autodiff, pkg/ctrl:
507      Add flag to reduce all tapelev I/O to single-prec.
508      In data.ctrl set
509        doSinglePrecTapelev = .TRUE.
510    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
511      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
512    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
513      real fresh water flux (not yet)
514    o pkg/mdsio & rw:
515     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
516     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
517    o pkg/flt:
518     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
519       init_fixed & ini_varia.
520     - clean-up & simplify linear interpolation S/R:
521       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
522     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
523     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
524     - add vert. coordinate & horiz. indices to output files.
525     - change vertical position in initial condition, from index to depth [m].
526     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
527       (easier to get to a curvilinear grid) ; delX,delY no longer used.
528    o pkg/ggl90: a few modifications:
529     - fix bottom boundary condition, and interpolation of KappaE
530       near top and bottom
531     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
532     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
533     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
534    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
535      (maintain temporary backward compatibility, until next checkpoint)
536    
537    checkpoint61h
538    o pkg/diagnostics with "periodic averaging diagnostics":
539      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
540    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
541    o pkg/obcs: fix loop ranges for balancing code
542    o pkg/flt:
543     - improve criteria for finding which tile owns a float.
544     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
545    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
546      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
547      with ocean biogeo)
548    o pkg/flt:
549     - do some cleaning and fix the restart ;
550     - add output.txt in flt_example/results to get this pkg tested.
551    o genmake2: add an EXTENDED_SRC option and flag.
552       for now, cannot be turned on on command line (only through genmake_local)
553    o pkg/mdsio: read/write vector:
554     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
555     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
556       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
557     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
558      (drop to 4 digits matching for grad). But this test does not look very
559      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
560    
561    checkpoint61g
562    o pkg/flt:
563      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
564       + make OPTIONS file more standard.
565      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
566      - fix _BYTESWAPIO CPP-Flag
567      - standard reading of file-parameter "data.flt"
568      - fix argument list of S/R FLT_RESTART
569      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
570    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
571    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
572      a still unfixed compiler/optimization bug
573    
574    checkpoint61f
575    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
576      update results of global_ocean.cs32x15.icedyn test.
577    o move getcon.F from model/src to pkg/fizhi.
578    o pkg/exf: add parameter for extrapolation of temp up to the surface
579       and option to prevent negative evap (in bulk_largeyeager04 only).
580    o Prather Advection scheme: fix tracer conservation for divergent flow
581      (e.g., when using NonLin Free-Surface).
582    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
583    o gmredi (Visbeck-variable-K):
584     - add more parameters to Visbeck-variable-K.
585     - use a 5 points average for dSigmaR in Visbeck-K calculation
586       (more "homogenous": same stencil and same weights as in dSigmaH)
587     - update output of ideal_2D_oce experiment.
588    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
589      (#undef REAL4_IS_SLOW)
590     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
591       coordinate variable
592     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
593       (surface forcing fields), removes some of the functionality
594     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
595     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
596       probably not all: copy _RS surface flux fields to RL field before
597       calling DIAGNOSTICS_FILL
598     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
599       real*4 (CALL EXCH_*_RS) versions.
600     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
601       (generate new output).
602    
603    checkpoint61e
604    o gmredi (Visbeck-variable-K):
605      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
606      - change computation of Visbeck-K where Slope > Smax :        
607        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
608        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
609    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
610      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
611    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
612    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
613      does not become too large (to avoid precision problems in implicit-diffusion
614      solver); update ideal_2D_oce output.
615    o pkg ggl90:
616      - in ggl90_cal.F: compute only one set of visc/diff, used to
617        step forward TKE/T/S/momentum
618      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
619        have Prandlt =1)
620    o gmredi (fm07):
621      - add lower limit on Transition layer thickness + lower limit on 1/lambda
622      - allow to set few more params from data.gmredi
623    o pkg ggl90:
624          - add missing sqrt(2) factor in computation of mixing length
625            scale in ggl90_calc.F
626            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
627    
628    checkpoint61d
629    o adjoint modifs
630      - adapt to new field rhoInSitu
631      - allow to revert from StoreDynVars2D, StoreDynVars3D
632        to individual fields
633        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
634    o store 3-D (in-situ) density in commom block (DYNVARS.h)
635     - save 1 rho computation.
636     - no longer modify T & S inland when using down_slope pkg.
637    o gad_som : allow to switch to SOM advection for T & S without corresponding
638      pickup files (using new S/R: MDS_CHECK4FILE).
639    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
640      (for useSingleCpuIO to work in multi-threaded)
641    o pkg/shelfice:
642     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
643       with SHELFICEtopoFile in data.shelfice
644     - move code for reading ice shelf topography and modifying hFacC into separate
645       subroutines of the shelfice package
646     - separate initialisation of "fixed" and "variable" variables
647     - kTopC is not (yet) replaced by kSurfC, although this is possible
648    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
649    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
650      and rename:
651      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
652      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
653    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
654    
655    checkpoint61c
656    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
657      to add mass source/sink of fluid in the interior (3-D generalisation
658      of oceanic real-fresh water flux).
659    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
660    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
661    o new pkg: down_slope
662      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
663      - presently, modify T & S inland (dwnslp_calc_rho.F).
664        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
665      - implementation for ocean in P-coords not tested.
666      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
667    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
668      (to facilitate conversion of oceanic pkg to p-coordinate).
669    o change FIND_RHO to FIND_RHO_2D :
670      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
671    o new pkg: cheapaml
672    
673    checkpoint61b
674    o exch2:
675      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
676      - no longer depend on the order sequence (N,S,E,W).
677      - 3rd exchange no longer needed (tested with 24 tiles).
678      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
679      - exch_UV_A-grid readily available (but not yet tested).
680      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
681      (both are no longer needed) in exch_uv: no effect in forward run; but
682       get truncation error differences with adjoint exch.
683    o exch2:
684     - change index-bounds storage (moved from target to local tile,
685       more intuitive this way) ; rename/remove some variables.
686     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
687    
688    checkpoint61a
689    o exch2/matlab-topology-generator:
690      fix bug in index bounds for N-S internal exchange (hard to tell if this
691      had any effect on the solution).
692    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
693      is exceeded
694    o testreport: modify syntax of awk, so that it works also with
695      awk, and not only with nawk and gawk
696    
697    checkpoint61
698    o autodiff
699      Change default for TAF usage by removing argument '-nonew_arg'
700      This changes TAF subroutine argument list (ordering of active var.)
701      Omission of this flag leads to incompatibility w.r.t. TAMC
702      To restore TAMC-compatibility, need following modifs:
703      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
704      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
705      Tested TAF version is 1.9.22
706      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
707    
708    checkpoint60
709    --->>> This is the last checkpoint for which generating the adjoint
710    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
711    --->>> by default.
712    --->>> Future checkpoints will ommit this flag by default.
713    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
714    o pkg/grdchk: Add gradient check to etan0 perturbations.
715    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
716    o pkg/autodiff: more flexibility in zeroadj.
717      model/src: modifying do_oceanic_phys.F accordingly.
718    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
719    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
720      special setup of gmredi for which the adjoint is stable
721      enough for parameter optimization.
722    o bridging the gap between eddy stress and GM.
723      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
724          along with a change in CPP option (now ALLOW_EDDYPSI).
725      -> when using GM w/ GM_AdvForm:
726          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
727          is applied either in the tracer Eq. or in momentum Eq.
728          depending on data.gmredi (intro. GM_InMomAsStress).
729      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
730      The key modifications are in model/src/taueddy_external_forcing.F
731      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
732    
733    checkpoint59r
734    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
735      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
736      fix option to read coriolis(@ cell-corner) from files with CS-grid.
737    o pkg/mnc: add some attributes to standard 1D-coordinate variables
738    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
739      mass points, when using mnc for output
740      - add runtime parameter (missing_value, missing_value_int) to override
741        default (which is the value of getcon('UNDEF'))
742    o pkg/mnc: prepare mnc for the actual use of missing values with the
743      diagnostics package: small fix in mnc_cw_readwrite.template and more
744      initialisation of never used fields
745      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
746      versions
747    o pkg/thsice/thsice_ini_vars.F added default initial values so that
748      thermodynamics sea ice solver does not blow up when some initial fields
749      are missing.
750    o move from external_forcing_surf.F to ini_forcing.F
751      the p-coord. hack consisting in using pLoad to set phi0surf ;
752      update output of tutorial_global_oce_in_p (affected @ truncation level).
753    o Freshen up a bit hs94.1x64x5, notably:
754      remove rotationPeriod and tRef=5*0. (adjoint only), and add
755      exactConserv=.TRUE.
756    o pkg/generic_advdiff:
757      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
758      applies to files where Temperature & Salinity 2nd Order moments are used.
759    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
760      this uses a dynamically allocated internal state data structure
761      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
762      and requires a fortran 90 compiler
763    
764    checkpoint59q
765    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
766       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
767    o Refresh tutorial_global_oce_biogeo, notably:
768      - change bathymetry (put back seamounts in ACC, use hFacs)
769      - change EOS (POLY3 --> JMD95Z)
770      - use Bryan-Lewis vertical diffusivity
771      - use multidimensional advection
772      - remove old virtual virtual in dic pkg, now done through ptracer pkg
773      - change a couple of parameters in dic pkg
774    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
775    o pkg/obcs: change default to OBCSfixTopo = .true.,
776      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
777      - replace "debugMode" with "debugLevel .GE. debLevB"
778    o implementation of TAF directives for gchem,cfc,dic
779    o remove "exp5" (replaced by tutorial_deep_convection).
780    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
781      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
782      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
783      --> changes results in exp4, seaice_obcs
784    o tutorial_deep_convection :
785      update the set-up and increase resolution and domain size ; start
786      from pseudo initial conditions = output at t=120mn in order to see
787      something happening when running testreport.
788    o pkg/seaice: add os7mp as an advection scheme
789                  add check for advection schemes
790                  add a flag for restoring T and S underneath sea ice
791    o pkg/my82: add netcdf-support and diagnostics
792    o thsice pkg:
793      - Now hsMax limits snow height by turning it into ice following
794        flooding scheme (and now conserving energy)
795      - Slight rewriting of the formula in thsice_calc_thick.F
796      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
797      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
798    
799    checkpoint59p
800    o gchem / dic / cfc :
801      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
802      - add new parameter files: "data.dic" & "data.cfc" ;
803      - various re-arrangement in initialisation & header file ;
804      - fix tutorial_global_oce_biogeo for multi-threaded test.
805    o pkg/dic: test for "pickup_dic" file when restarting ;
806      if no pickup-file, can restart with a re-initialised pH (same as it did
807      before) providing pickupStrictlyMatch is set to False.
808    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
809      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
810    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
811      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
812    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
813     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
814       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
815    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
816       scheme to use for vorticty-term ;
817     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
818       (with default selectVortScheme, return to original discretisation)
819     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
820    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
821    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
822      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
823      also fix diagnostics VISCAHW & VISCA4W.
824    
825    checkpoint59o
826    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
827    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
828      move a few statemens out the main loop into separate loops
829    o pkg/shelfice:
830      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
831        (kg/m^2/s), does not break tests, because in verification/isomip,
832        rhoConstFresh=rhoConst (by accident)
833      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
834      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
835        new file model/src/seawater.F, so that they are available for all pkgs.
836      - convert potential temperature into in-situ temperature. This changes the
837        isomip tests => update tests
838    o add a flag writePickupAtEnd (default=true) to be able to suppress
839      writing a pickup at the last timestep
840    o tools/mpack-1.6 :
841      - disable automake (not working) and autoconf (not needed).
842      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
843        also cleaner with much less compilation warnings.
844    o pkg/profiles:
845      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
846      (for "less than 32 characters name" compiler requirement)
847    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
848      conditions that have a different sampling frequency than S/T/U/V obcs
849    o pkg/diagnostics (stats-diags):
850      - fix global Min/Max in case 1 processor get only empty tiles
851    o genmake2: replace (4 times)
852         make genmake_tc_1.o >> genmake_warnings 2>&1
853      with
854         COMM="$CC $CFLAGS -c genmake_tc_1.c"
855         echo $COMM >> genmake_warnings
856         $COMM >> genmake_warnings 2>&1
857      to make genmake2 always see the value of CC as specified in the optfile.
858    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
859      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
860      - modify verification advect_cs test to test SOM-advection on CS-grid.
861    o pkg/ctrl:
862      - Rewrite of ctrl_map_ini_ecco.F,
863        introducing a generic routine (ctrl_map_ini_gen.F).
864      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
865    
866    checkpoint59n
867    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
868      number in dedicate array "hdiag":
869      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
870        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
871      - many small changes (integer format) for large number of diagnostics
872      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
873        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
874    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
875      usingSphericalGrid, this allows to define the rotated grid coordinates
876      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
877      geographical coordinates according to the inverse of the rotation defined
878      by the Euler angles, so that Coriolis parameter and online-interpolation by
879      exf works with the geographical coordinates on XC/YC/XG/YG.
880      Naturally, this feature does not work with all packages, so some
881      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
882      profiles), because there the coordinates are assumed to be regular
883      spherical grid coordinates.
884    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
885      - introduce isopycnal diffusion coefficient control.
886    o tools/adjoint_options:
887      - additional control vector components.
888    o pkg/mnc: have mnc create marginally meaning full coordinate variables
889      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
890    o pkg/mypackage:
891      - add example of read/write pickup for state-var ;
892      - add entry points to the main code for state-vars diags & write-pickup.
893    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
894      transitions for useExfYearlyFields
895      - add new subroutine that determines the file to read from for
896        use*YearlyFields = .TRUE. and .FALSE.
897      - add a verification experiment to global_with_exf that tests
898        useExfYearlyFields with USE_EXF_INTERPOLATION defined
899    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
900      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
901      subroutines (which could be generated from a template, because they are
902      almost identical), for now they are included in obcs_prescribe_read.F for
903      simplicity
904    o pkg/exf:
905      - add a little more diagnostic to exf_interp_read (in analogy to
906        mds_read_field, can be turned off with debugLevel < debugLevA=1)
907      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
908        ugly but fast by unrolling short inner loops, inserting a unroll=8
909        directive in routine lagran, and splitting a loop and making do while the
910        outermost loop (the latter requires the intoduction of index arrays)
911    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
912    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
913      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
914    o verification/seaice_obcs: updated for restart test and latest options
915    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
916      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
917      for now this is only available for the C-grid code and also within
918      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
919    
920    checkpoint59m
921    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
922      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
923    o gad_som : fix flux output (& diagnostics) to have same units as other  
924      advection scheme fluxes (was previously multiplied by deltaT).  
925    o added verification/seaice_obcs both to test seaice open boundaries
926      and to provide an example matlab scrpt for generating them
927    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
928    o pkg/salt_plume: clean up salt_plume_frac.F to
929      remove redundancy in PlumeMethod 1 and 4
930    o pkg/kpp: added saltplume diagnostics
931    o pkg/obcs and pkg/seaice:
932      - do not set uice and vice to zero when OB*icefile are unspecified
933      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
934      - moved seaice tracer obcs after call to seaice_growth
935    o pkg/salt_plume: added various options for salt plume depth
936      criterion and for vertical distribution of the salt
937    
938    checkpoint59l
939    o pkg/ptracers: new version of ptracers pickup:
940      read meta file and write only fields which are needed to restart.
941      ( same logic as main pickup file ; also using pickupStrictlyMatch )
942    o pkg/seaice:
943      - add timescale for melting due to warm mixed layer as a means of
944        setting SEAICE_availHeatFrac more conveniently
945      - add a CPP-flag/runtime parameter check for flooding algorithm
946      - reformulated availHeat in seaice_growth.F to be independent of AREA
947    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
948      unit changes
949    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
950    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
951      SX vector computer.
952    o pkg/seaice:
953      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
954        seaice forcing fields can now be read only through pkg/exf
955      - removed some unused halos
956    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
957    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
958      or U/VICE from U/VWIND before computing U/VSTRESS
959    
960    checkpoint59k
961    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
962      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
963    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
964      all experiments pass when compile with un-initialised var. checking option.
965    o added pkg/salt_plume
966    o script to test restart (for now, in MITgcm_contrib/jmc_script)
967    o pkg/seaice: new read/write pickup version.
968      read meta file and write only fields which are needed to restart.
969      ( same logic as main pickup file ; also using pickupStrictlyMatch )
970    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
971    o lab_sea.hb87: modify the domain & update output.hb87.txt :
972      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
973      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
974      process. Fixed here by closing the domain at the Northern boundary.
975    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
976    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
977      a set of consecutive levels in/from a 3-D array.
978    o pkg/ptracers:
979      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
980      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
981    
982    checkpoint59j
983    o in pkgs: dic, obcs, offline, rbcs:
984      standard way to compute coeff. for time interpolation between 2 time reccords
985      which retains full precision (& make results less dependent on compiler).
986      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
987    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
988      packages instead of reading ice cover and wind speed separately
989    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
990     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
991      to allow to compile customized code before the update)
992    o cleaning-up:
993      - fix CPP instruction syntax in pkg/obcs
994      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
995        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
996      - fix some threads issue in IO parts.
997    o pkg/dic:
998      - add tons of "_d 0" (--> much better testreports !)
999       and then update outputs of tutorial_global_oce_biogeo
1000    o pkg/mom_fluxform:
1001      add a special version of momentum advection intended to conserve momentum
1002      next to a bathymetry step or a coastline edge. (default = off = #undef)
1003    o new read/write pickup version:
1004      - for now, only implemented for main (mdsio) pickup file.
1005      - write out only what is needed to restart; merge pickup_nh , pickup_ph
1006        and main pickup together.
1007      - read meta file; read only what is needed to restart; stop if a field
1008        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
1009        if it make sense (even if the restart is not perfect).
1010      - if no meta file, assume that pickup to read corresponds exactly to
1011        a pickup that would currently be written.
1012      - read pickup written in the old format (until checkpoint59i) if it
1013        recognizes an old meta file (no field-list).
1014      - add a meta file in exp. which starts from a pickup: 2 cases:
1015        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
1016         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
1017        b) a meta file describing the content of the associated pickup file
1018         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
1019    o pkg/mdsio & pkg/rw:
1020      - new routine to read a meta file ; new set of routine to read
1021        Multiple-fields file (with meta file).
1022    o added open boundary conditions capability for seaice
1023        HSNOW, HSALT, UICE, and VICE
1024    
1025    checkpoint59i
1026  o adjoint:  o adjoint:
1027    * fix multiDimAdvection adjoint    * fix multiDimAdvection adjoint
1028      (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 1054  o add a little bit of code to gad_os7mp_
1054  o add new diagnostics to seaice: advective, diffusive fluxes (only for  o add new diagnostics to seaice: advective, diffusive fluxes (only for
1055    multidim-advection, for scheme 2 they are not filled) and transports,    multidim-advection, for scheme 2 they are not filled) and transports,
1056    thermodynamic growth rates    thermodynamic growth rates
1057  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)
1058    leave input file unchanged. Affects results @ truncation level (cg2d match)    from m/s to kg/m2/s (mass flux) but leave input file unchanged.
1059    and update output of experiments: lab_sea(6), global_ocean.90x40x15(10),    Affects results @ truncation level (cg2d match) and update output of
1060       experiments: lab_sea(6), global_ocean.90x40x15(10),
1061    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)
1062    + adjoint results: global_ocean_ebm(11) and lab_sea (12).    + adjoint results: global_ocean_ebm(11) and lab_sea (12).
1063      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
1064    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
1065    
1066  checkpoint59h  checkpoint59h
# Line 1833  o add two new packages Line 2854  o add two new packages
2854    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2855    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2856      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2857      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2858  o add offline package  o add offline package
2859  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2860    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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