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revision 1.812 by heimbach, Thu May 10 16:55:58 2007 UTC revision 1.1165 by jmc, Thu Oct 1 23:28:01 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 obcs:
8     - go through NH code only if nonHydrostatic=T
9     - fix restart for Orlanski (Hydrostatic; still to fix NH+Orlanski restart)
10    o pkg ctrl
11     - make obcs as control parameter work also with useSingleCPUio
12     - replace a few sny and snx by Ny and Nx to be consistent with
13       ctrl_set_globfld_x/yz.F
14    o pkg seaice
15     - re-introduce global field frWtrAtm for the case of
16       ALLOW_MEAN_SFLUX_COST_CONTRIBUTION defined (SEAICE.h, seaice_growth.F)
17     - catch the case of an empty filename in seaice_cost_init_fixed.F
18    o pkg ecco:
19     - small bug fixes in the_main_loop
20      . fix order of monitor arguments
21      . change SEAICE_MULTILEVEL to SEAICE_MULTICATEGORY
22      . move include DYNVARS.h up outside the ALLOW_AUTODIFF_TAMC block so
23        that ALLOW_ECCO_FORWARD_RUN works with NONLIN_FRSURF
24     - replace cos(yc*deg2rad) by _rA in cost_mean_heat/saltflux.F, fix the
25       imbalance diagnostics for wmean_h/sflux = 0
26     - add actual values to f_obcsn/s/w/e in ecco_cost_final.F
27     - catch the case of empty filenames in ecco_cost_init_fixed.F
28       and ecco_readparms.F
29     - fix the logic of wsalt=0.and.wsalt2=0 to wsalt=0.or.wsalt2=0 (and theta)
30       to make this statement meaningfull in ecco_cost_weights.F
31    o pkg zonal_filt:
32      - change ZONAL_FILTER S/R interface (allows to filter 2-D fields)
33      - when using rStar, filter uVel*hFacW instead of uVel
34       (tested without topography: fix a Pb of growing instability with NLFS)
35    o pkg/aim/thsice:
36     -Add capacity to read a Q-Flux to be applied in slab-mixed layer thsice_slab_ocean.F
37      (works as SST restoring)
38    o pkg/thsice:
39     -add specific parameter for salt restoring in slab mixed-layer
40       (by default equal to the temperature restoring)
41    
42    checkpoint61v
43    o pkg/kpp:
44     -add double diffusive contributions as a hack, turned off by default
45      for now, and the code can be excluded with a CPP-flag
46      EXCLUDE_KPP_DOUBLEDIFF just as EXCLUDE_KPP_SHEAR_MIX
47     -add a verification experiments to "vermix" to test this code
48    o pkg/mom_common:
49      Move computation of length scales to mom_init_fixed.F (avoid recomputation
50      at each time-steps*levels).
51    o pkg/layers:
52      Created a new package for computing volume fluxes in temperature or
53      [not yet implemented] density layers, e.g. for calculating residual
54      overturning circulations.
55    o pkg/diagnostics:
56      implement a RS type version for the set of DIAGNOSTICS-FILL subroutines
57    o fix few RS/RL type mismatch (check with ifort 11.1 "-warn all" option)
58    o pkg/mdsio (& pkg/rw): rework high level S/R interface:
59      To avoid mixing type (RS/RL) of input/output array argument,
60      replace single mixed-type array with a pair from each type (RS/RL).
61    o setting pickupSuff force to start from a pickup (even if nIter0=0): this
62      is now implemented for all pkgs (previously only done for the main pickup)
63    
64    checkpoint61u
65    o pkg/obcs:
66      - change OB?eta from _RS to _RL and put them into a separate commen block
67      - add code to read OB?eta from a file via obcs_prescribe_read: the code
68        compiles and does not destroy any other experiments, the data is read
69        properly, but the code is not tested in actual applications
70    o ini_mnc_vars.F: if available (ALLOW_CAL), use startTime_1 and 2 to
71      create a meaningful unit attribute for the time coordinate variable
72    o pkg/ebm: add plenty of missing "_d 0" ;
73       update results of experiment global_ocean_ebm (fwd + adjoint tests)
74      Notes: several pieces of code only works for (very) specific set up
75       (domain size, lat range, etc ...); should be documented & stop if one
76       of those assumptions is not meet.
77    o pkg/seaice: add missing "_d 0" in HSNOW initialisation
78       update results of experiments: lab_sea (3 fwd tests + 2 adjoint tests)
79          and offline_exf_seaice (seaicetd + adjoint).
80    o add missing "_d 0" in ShortWave flux penetration (S/R SWFRAC):
81       update results of experiments: lab_sea (4 fwd tests + 3 adjoint),
82        seaice_obcs, global_ocean.cs32x15 (icedyn & thsice) and natl_box (x2).
83    o few changes to pass when compiling with strick checking of arguments
84       across S/R (allow to find few bugs in S/R calls).
85    o pkg/seaice:
86     - seaice_evp: move if-statement out of loop (TEM) at the cost of 11 new
87       2d-fields, for slightly better performance
88    
89    checkpoint61t
90    o pkg/seaice:
91     - remove unused variables in seaice_evp
92     - reduce number of SQRT in seaice_evp and seaice_calc_viscosities
93    o eeset_parms.F, open_copy_data_file.F & ini_parms.F:
94       named file replacing SCRATCH files (for TARGET_BGL & TARGET_CRAYXT):
95       each processor opens a different file (a fix from Matt).
96    o cg2d:
97       use simple EXCH (overlap size = 1 and ignore corners), like in cg3d.F :
98       this reduces number of EXCH calls by 2 when using exch2.
99       For now, keep previous size array for gc2d_nsa.F to avoid Pb with store
100       directives and missing simple EXCH (exch_s3d_rx) adjoint code.
101    o pkg/thsice:
102       add code for Near Infra-Red albedo (from Jeff)
103       (turned on with run-time flag: thSIce_calc_albNIR, in data.ice).
104    o ini_model_io:
105       move (from packages_readparms.F & initialise_fixed.F) to ini_model_io.F
106       MNC & MONITOR initialisation calls; move MNC calls from {pkg}_readparms.F
107       to {pkg}_init_fixed.F for {pkg}= kpp, seaice & shelfice.
108    
109    checkpoint61s
110    o pkg/exch2 (exch2_rxN_cube*):
111       remove last BARRIER (no need to synchronise after getting data from shared
112       buffer (get) as long as any change to buffer (put,recv) is between BARRIER)
113    o change tiling of natl_box (from 2 to 4 tiles) to get it tested with MPI+MTH
114      and generate new output (for the 2 tests) using default rotationPeriod.
115    o pkg/exch2:
116      - always call exch2_*_cube, not exch-1 anymore, if useCubedSphereExchange=F
117        (was already the case with AUTODIFF_EXCH2 defined)
118      - add bj in exch2 arrays and S/R.
119      - can now use pkg/exch2 for regular (non CS) set-up; switch test experiment
120        MLAdjust to exch2 (identical results except with MPI -> truncation diff);
121    o add pkg/longstep for ptracer timestep a multiple of U/V/T/S timestep
122      - adds deltaT argument to the subroutines TIMESTEP_TRACER DWNSLP_APPLY
123        GAD_ADVECTION GAD_CALC_RHS GAD_IMPLICIT_R GAD_SOM_ADVECT
124      - verification experiment natl_box.longstep
125    o build_options: ifort+mpi_aces optfile (following Constantinos advise):
126      allow different versions of ifort (8 or 9) and different versions
127       of mpi (mpich or mpich2) to be used with the same optfile.
128      requires to load a netcdf module and set MPI_INC_DIR (see comments inside
129       optfile). Change testing scripts (example_scripts/ACESgrid) accordingly.
130    o pkg/seaice:
131      fix previous modif (3-level field removed) for old-pickup reading
132    
133    checkpoint61r
134    o pkg/seaice:
135     - clean up the 3-time levels of UICE,VICE,HEFF,AREA in three steps:
136      1. introduce fields for time step (N-1)
137      2. do not use levels 2 and 3 anymore (but keep them)
138      3. replace 3D versions of UICE,VICE,HEFF,AREA by 2D versions. This
139         includes changes to pkg/thsice/thsice_get_velocity.F,
140         model/src/external_forcing_surf.F, pkg/obcs/obcs_apply_seaice.F, and
141         pkg/obcs/obcs_apply_uvice.F.
142     - completely remove code for leap-frog time stepping for second order
143       advection
144     - adjusted adjoint accordingly;
145       gradient checks have improved by an order of magnitude!
146    
147    checkpoint61q
148    o pkg/seaice: fix bug in free slip boundary conditons for LSOR solver
149     - the boundary conditions along open boundaries are unclear, because the
150       associated masks are set to zero and are thus treated as closed when
151       applying the slip-boundary conditions.
152     - move initialisation of grid variables from seaice_init_varia to _fixed
153    o adding doc/diags_changes.txt
154    o model/src:
155      do_the_model_io: rename few pkg S/R which are called from do_the_model_io,
156       to avoid "_diags" naming if no relation to pkg/diagnostics.
157      ini_theta,ini_salt: fix (at least compile the code) reading from NetCDF
158       file and only call PLOT_FIELD_XYZ if debugMode=T.
159      remove few PLOT_FIELD_XY calls outside initialisation.
160      remove few unnecessary BARRIER.
161    o pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
162      of salt_plume package in Southern Ocean
163    o pkg/thsice:
164     - fix hOceMxL in overlap (needed for sea-ice advection);
165       update output of experiment global_ocean.cs32x15.icedyn.
166    o pkg/seaice:
167     - make the (placeholder-)tracer IceAge a little more meaningful
168      by avoiding ridging of age due to convergent ice flow
169     - add diagnostics for surface temperature, atmospheric and oceanic
170       heat flux, and atmospheric and oceanic ice growth
171    
172    checkpoint61p
173    o eesupp (global_max & global_sum):
174     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
175     - remove starting & endding barrier (no longer needed)
176    o pkg/mdsio, writelocal:
177       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
178       (remove the STOP): uses shared buffer IO to store data from all threads
179       and then let master-thread write nThreads tiles.
180    o pkg/mdsio (read/write field):
181     - tiled IO done in 1 piece (all levels at a time);
182     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
183     - multi-threaded: allow to read/write local (non-shared) array
184       (was already working with singleCpuIO ; now works also without);
185       => no longer needs barrier call after reading a file (added inside
186       mds_read/write field).
187     - move barrier calls outside gather/scatter_2d to mds_read/write_field
188    o pkg/obcs/exf
189      - exf_getffieldrec.F: add a few ". _d 0" and
190                            add code to catch the case fldperiod = 0.  
191      - obcs_precribe_read.F: change if statements so that they match
192                              the variable type (_RL)
193      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
194        exf_iprec) as part of namelist EXF_NML_01
195    o pkg/mdsio:
196      - read/write tiled (local) files: read/write 1-level tile chunk at a time
197        (instead of segment of length sNx); expected to speed up tiled IO.
198    o pkg/exch2:
199      - take buffer copy from/to array out of S/R exch2_send/recv into new
200        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
201        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
202      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
203      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
204        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
205        including Topology header file (and common blocks).
206      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
207        remove 2nd exch call in exch2_s3d_rx (no longer needed).
208      - document S/R arg. list (+ update some comments)
209    o pkg/seaice:
210      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
211        temperature and humidity over sea ice based on climatological values.
212      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
213        of LSR (this change is expected to change the results slightly because now
214        it uses slightly difference moduli from the second last LSR solution, but
215        that is more consistent with the stress computations; this part of the code
216        is not tested in the verification experiments)
217      - fix diagnostics for flux of ice in case of B-grid
218      - turn strain rates eij and press into global fields within global
219        common block in SEAICE.h for more straighforward diagnostics
220      - fix diagnostics for principal stress components, press, zeta, eta
221        to give something meaning full
222    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
223      new output (all 4 tests) using default rotationPeriod.
224    o pkg KPP:
225      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
226      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
227        and normal grid from 1 to Nr)
228    o Fix computations of L4rdt in mom_calc_visc.F
229    o eesupp:
230      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
231      should be called before a "stop" if we know that all process are going
232      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
233    
234    checkpoint61o
235    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
236    o model/src/ini_curvilinear_grid.F:
237       compute angleSin/CosC when they are not read from a file
238    o pkg/seaice:
239       add pseudo time stepping for LSOR
240    o pkg/exch2:
241       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
242    o pkg/seaice:
243       Adding separate sea ice albedo, drag coefficients, and HO in Southern
244       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
245    o SingleCpuIO:
246       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
247    o pkg/seaice:
248       put exchanged variable in (local) common block for MPI+Multi-Threads
249       to work (necessary with exch1, and for now with exch2 too).
250    o verification: to get more experiments tested with mpi, mth and mpi+mth,
251      change tiling of:
252       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
253       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
254      update output of exp:
255       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
256       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
257      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
258                       (note: output.txt generated on faulks using only 1 tile)
259    o eesupp & mdsio (SingleCpuIO):
260     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
261       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
262       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
263     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
264     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
265       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
266    o pkg/exch2:
267     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
268       read parameter file "data.exch2" if it exists; otherwise try default regular
269       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
270     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
271       with new code (not to be used, just as a backup solution).
272     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
273       in utils/exch2/input.
274    
275    checkpoint61n
276    o eesupp & mdsio (SingleCpuIO):
277      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
278        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
279        receive real*4 array (instead of real*8) to read/write 32.bit files.
280        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
281         and remove new mapping S/R)
282    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
283      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
284        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
285        when using exch2. Add S/R to map global io-buffer to global model array.
286      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
287    
288    checkpoint61m
289    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
290      and add 3 other S/R for other types (R4,R8,RS).
291      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
292    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
293     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
294     - reduce number of macro definitions (keep only those which are used);
295       can always call directly the corrresponding S/R if needed.
296     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
297       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
298     Fixed wrong type of arg in:
299       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
300       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
301     To fix: global_sum of var in common block is wrong (multi-threaded) in:
302       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
303     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
304    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
305      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
306    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
307    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
308      edges are closed (zero depth); might happen with "blank tiles";
309      for now, disabled if using OBCS.
310    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
311      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
312    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
313      to reduce length of 1.D array print in STDOUT.
314    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
315      + use 48 tiles (16x8): this will allow to test "blank tiles".
316    o start to test MPI + multi-threaded (change testreport to skip tests
317      where number of tiles do not match).
318    o genmake2: add option "-omp" to turn on Open-MP ;
319      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
320    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
321      and keep the original tile numbering. Note: compatible with old
322      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
323    
324    checkpoint61l
325    o Overlaps had been forgotten in calculating ijk keys : fixed
326    o fix cyrus makedepend for gcc 4.4
327    o experiment fizhi-cs-aqualev20:
328      switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
329      and generate new output. Note: new output is much closer to the old
330      one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
331      the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
332    o pkg/fizhi:
333     - change to avoid indices going deliberately over array-bounds
334     - remove unnecessary MPI stuff
335     - perpetual spring equinox with "#define FIZHI_USE_FIXED_DAY"
336     - new version of S/R GETPWHERE available with #define TRY_NEW_GETPWHERE:
337       does not go over array-bounds and therefore returns reliable output.
338     - in fizhi_driver.F & fizhi_turb.F, fix "get_alarm" calls:
339       this S/R has 4 output arguments, which are used inside "get_alarm";
340       when it is called with the same variable "ndum" in place of several
341       output arguments, this produces weird side effect inside "get_alarm"
342      (e.g., datein=dates(n) is overwritten by timein=times(n) since both
343       datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
344       address) and produces error.
345    o tools/gemake2: (March 27-29 2009)
346      with option "-mpi": link *_mpi files from "MODS" dir (this is what
347      testreport does).
348    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
349    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
350       update lab_sea.lsr & lab_sea.salt_plume results
351    o pkg/seaice:
352      Major overhaul of the LSOR solver: change discretization from original
353      finite differences to finite volume. The old routine is still in the
354      file seaice_lsr.F and can be turned on with the CPP-flag
355      SEAICE_OLD_AND_BAD_DISCRETIZATION
356      Along with this change, the discretization of the strain rates is changed.
357      The same flag turns on the old discretization in seaice_calc_strainrates.F
358      All verification experiments with seaice are affected (except for
359      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
360      results by setting the above flag.
361      Further changes involve changes in defaults:
362      - ALLOW_FLOODING is defined and turned on by default
363      - SEAICEadvSnow = .true. is now the default
364      - SEAICEadvSalt = .true. is now the default
365      - SEAICEadvAge  = .true. is now the default
366      - SEAICE_clipVelocities  = .false. is now the default
367                                         (as per J. Zhang's recommendation)
368      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
369        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
370      - seaice_growth: replace computation of UG by a simple copy from wspeed
371    
372    checkpoint61k
373    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
374      seaice_lsr: fixed a few metric terms,
375                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
376                  add more debugging diagnostics
377      seaice_evp: removed superfluous many metric terms of FV discretization
378                  of stress divergence
379                  affects lab_sea, lab_sea.hb87
380      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
381                  of stress divergence for non-evp solver
382                  (this part is not tested anywhere)
383      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
384                  they were effectively only half slip
385                  affects lab_sea.hb87
386      updated all relevant verification experiments (except lab_sea//output_adm.txt
387        which was left over, but fails at level 7 & 6)
388    
389    checkpoint61j
390    o pkg/seaice: turn a few hard wired parameters into run time parameters
391    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
392      time in seconds as promised by the usints in seaice_monitor and exf_monitor
393    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
394      that are not cubed-sphere grids
395    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
396    o pkg/ctrl:
397      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
398    o non-hydrostatic (calc_gw.F):
399      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
400      update output of exp. global_ocean.cs32x15.viscA4
401    o remove backward compatibility for thetaMin,phiMin
402      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
403    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
404      interpolated wind field not only for curvilineargrid=.true., but also
405      for a rotated grid (rotateGrid=.true.)
406    o pkg/exf: add capability to bypass interpolation for runoff
407      by setting yet another CPP-flag
408    o eesupp/src, B-grid exchange:
409      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
410    o autodiff
411      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
412      allows to switch to single-prec common blocks;
413      corresponding switch occurs in tamc.h, integer isbyte
414      TAF store directivs "byte" and "kind" seem equivalent;
415      Most tamc.h have been updated correspondingly.
416    
417    checkpoint61i
418    o autodiff:
419      fix autodiff_sore/_restore indices for obcs
420      (spotted by I. Hoteit, M. Mazloff)
421    o pkg/autodiff, pkg/ctrl:
422      Add flag to reduce all tapelev I/O to single-prec.
423      In data.ctrl set
424        doSinglePrecTapelev = .TRUE.
425    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
426      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
427    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
428      real fresh water flux (not yet)
429    o pkg/mdsio & rw:
430     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
431     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
432    o pkg/flt:
433     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
434       init_fixed & ini_varia.
435     - clean-up & simplify linear interpolation S/R:
436       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
437     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
438     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
439     - add vert. coordinate & horiz. indices to output files.
440     - change vertical position in initial condition, from index to depth [m].
441     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
442       (easier to get to a curvilinear grid) ; delX,delY no longer used.
443    o pkg/ggl90: a few modifications:
444     - fix bottom boundary condition, and interpolation of KappaE
445       near top and bottom
446     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
447     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
448     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
449    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
450      (maintain temporary backward compatibility, until next checkpoint)
451    
452    checkpoint61h
453    o pkg/diagnostics with "periodic averaging diagnostics":
454      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
455    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
456    o pkg/obcs: fix loop ranges for balancing code
457    o pkg/flt:
458     - improve criteria for finding which tile owns a float.
459     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
460    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
461      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
462      with ocean biogeo)
463    o pkg/flt:
464     - do some cleaning and fix the restart ;
465     - add output.txt in flt_example/results to get this pkg tested.
466    o genmake2: add an EXTENDED_SRC option and flag.
467       for now, cannot be turned on on command line (only through genmake_local)
468    o pkg/mdsio: read/write vector:
469     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
470     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
471       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
472     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
473      (drop to 4 digits matching for grad). But this test does not look very
474      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
475    
476    checkpoint61g
477    o pkg/flt:
478      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
479       + make OPTIONS file more standard.
480      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
481      - fix _BYTESWAPIO CPP-Flag
482      - standard reading of file-parameter "data.flt"
483      - fix argument list of S/R FLT_RESTART
484      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
485    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
486    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
487      a still unfixed compiler/optimization bug
488    
489    checkpoint61f
490    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
491      update results of global_ocean.cs32x15.icedyn test.
492    o move getcon.F from model/src to pkg/fizhi.
493    o pkg/exf: add parameter for extrapolation of temp up to the surface
494       and option to prevent negative evap (in bulk_largeyeager04 only).
495    o Prather Advection scheme: fix tracer conservation for divergent flow
496      (e.g., when using NonLin Free-Surface).
497    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
498    o gmredi (Visbeck-variable-K):
499     - add more parameters to Visbeck-variable-K.
500     - use a 5 points average for dSigmaR in Visbeck-K calculation
501       (more "homogenous": same stencil and same weights as in dSigmaH)
502     - update output of ideal_2D_oce experiment.
503    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
504      (#undef REAL4_IS_SLOW)
505     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
506       coordinate variable
507     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
508       (surface forcing fields), removes some of the functionality
509     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
510     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
511       probably not all: copy _RS surface flux fields to RL field before
512       calling DIAGNOSTICS_FILL
513     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
514       real*4 (CALL EXCH_*_RS) versions.
515     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
516       (generate new output).
517    
518    checkpoint61e
519    o gmredi (Visbeck-variable-K):
520      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
521      - change computation of Visbeck-K where Slope > Smax :        
522        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
523        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
524    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
525      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
526    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
527    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
528      does not become too large (to avoid precision problems in implicit-diffusion
529      solver); update ideal_2D_oce output.
530    o pkg ggl90:
531      - in ggl90_cal.F: compute only one set of visc/diff, used to
532        step forward TKE/T/S/momentum
533      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
534        have Prandlt =1)
535    o gmredi (fm07):
536      - add lower limit on Transition layer thickness + lower limit on 1/lambda
537      - allow to set few more params from data.gmredi
538    o pkg ggl90:
539          - add missing sqrt(2) factor in computation of mixing length
540            scale in ggl90_calc.F
541            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
542    
543    checkpoint61d
544    o adjoint modifs
545      - adapt to new field rhoInSitu
546      - allow to revert from StoreDynVars2D, StoreDynVars3D
547        to individual fields
548        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
549    o store 3-D (in-situ) density in commom block (DYNVARS.h)
550     - save 1 rho computation.
551     - no longer modify T & S inland when using down_slope pkg.
552    o gad_som : allow to switch to SOM advection for T & S without corresponding
553      pickup files (using new S/R: MDS_CHECK4FILE).
554    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
555      (for useSingleCpuIO to work in multi-threaded)
556    o pkg/shelfice:
557     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
558       with SHELFICEtopoFile in data.shelfice
559     - move code for reading ice shelf topography and modifying hFacC into separate
560       subroutines of the shelfice package
561     - separate initialisation of "fixed" and "variable" variables
562     - kTopC is not (yet) replaced by kSurfC, although this is possible
563    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
564    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
565      and rename:
566      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
567      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
568    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
569    
570    checkpoint61c
571    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
572      to add mass source/sink of fluid in the interior (3-D generalisation
573      of oceanic real-fresh water flux).
574    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
575    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
576    o new pkg: down_slope
577      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
578      - presently, modify T & S inland (dwnslp_calc_rho.F).
579        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
580      - implementation for ocean in P-coords not tested.
581      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
582    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
583      (to facilitate conversion of oceanic pkg to p-coordinate).
584    o change FIND_RHO to FIND_RHO_2D :
585      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
586    o new pkg: cheapaml
587    
588    checkpoint61b
589    o exch2:
590      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
591      - no longer depend on the order sequence (N,S,E,W).
592      - 3rd exchange no longer needed (tested with 24 tiles).
593      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
594      - exch_UV_A-grid readily available (but not yet tested).
595      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
596      (both are no longer needed) in exch_uv: no effect in forward run; but
597       get truncation error differences with adjoint exch.
598    o exch2:
599     - change index-bounds storage (moved from target to local tile,
600       more intuitive this way) ; rename/remove some variables.
601     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
602    
603    checkpoint61a
604    o exch2/matlab-topology-generator:
605      fix bug in index bounds for N-S internal exchange (hard to tell if this
606      had any effect on the solution).
607    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
608      is exceeded
609    o testreport: modify syntax of awk, so that it works also with
610      awk, and not only with nawk and gawk
611    
612    checkpoint61
613    o autodiff
614      Change default for TAF usage by removing argument '-nonew_arg'
615      This changes TAF subroutine argument list (ordering of active var.)
616      Omission of this flag leads to incompatibility w.r.t. TAMC
617      To restore TAMC-compatibility, need following modifs:
618      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
619      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
620      Tested TAF version is 1.9.22
621      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
622    
623    checkpoint60
624    --->>> This is the last checkpoint for which generating the adjoint
625    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
626    --->>> by default.
627    --->>> Future checkpoints will ommit this flag by default.
628    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
629    o pkg/grdchk: Add gradient check to etan0 perturbations.
630    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
631    o pkg/autodiff: more flexibility in zeroadj.
632      model/src: modifying do_oceanic_phys.F accordingly.
633    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
634    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
635      special setup of gmredi for which the adjoint is stable
636      enough for parameter optimization.
637    o bridging the gap between eddy stress and GM.
638      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
639          along with a change in CPP option (now ALLOW_EDDYPSI).
640      -> when using GM w/ GM_AdvForm:
641          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
642          is applied either in the tracer Eq. or in momentum Eq.
643          depending on data.gmredi (intro. GM_InMomAsStress).
644      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
645      The key modifications are in model/src/taueddy_external_forcing.F
646      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
647    
648    checkpoint59r
649    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
650      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
651      fix option to read coriolis(@ cell-corner) from files with CS-grid.
652    o pkg/mnc: add some attributes to standard 1D-coordinate variables
653    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
654      mass points, when using mnc for output
655      - add runtime parameter (missing_value, missing_value_int) to override
656        default (which is the value of getcon('UNDEF'))
657    o pkg/mnc: prepare mnc for the actual use of missing values with the
658      diagnostics package: small fix in mnc_cw_readwrite.template and more
659      initialisation of never used fields
660      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
661      versions
662    o pkg/thsice/thsice_ini_vars.F added default initial values so that
663      thermodynamics sea ice solver does not blow up when some initial fields
664      are missing.
665    o move from external_forcing_surf.F to ini_forcing.F
666      the p-coord. hack consisting in using pLoad to set phi0surf ;
667      update output of tutorial_global_oce_in_p (affected @ truncation level).
668    o Freshen up a bit hs94.1x64x5, notably:
669      remove rotationPeriod and tRef=5*0. (adjoint only), and add
670      exactConserv=.TRUE.
671    o pkg/generic_advdiff:
672      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
673      applies to files where Temperature & Salinity 2nd Order moments are used.
674    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
675      this uses a dynamically allocated internal state data structure
676      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
677      and requires a fortran 90 compiler
678    
679    checkpoint59q
680    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
681       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
682    o Refresh tutorial_global_oce_biogeo, notably:
683      - change bathymetry (put back seamounts in ACC, use hFacs)
684      - change EOS (POLY3 --> JMD95Z)
685      - use Bryan-Lewis vertical diffusivity
686      - use multidimensional advection
687      - remove old virtual virtual in dic pkg, now done through ptracer pkg
688      - change a couple of parameters in dic pkg
689    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
690    o pkg/obcs: change default to OBCSfixTopo = .true.,
691      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
692      - replace "debugMode" with "debugLevel .GE. debLevB"
693    o implementation of TAF directives for gchem,cfc,dic
694    o remove "exp5" (replaced by tutorial_deep_convection).
695    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
696      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
697      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
698      --> changes results in exp4, seaice_obcs
699    o tutorial_deep_convection :
700      update the set-up and increase resolution and domain size ; start
701      from pseudo initial conditions = output at t=120mn in order to see
702      something happening when running testreport.
703    o pkg/seaice: add os7mp as an advection scheme
704                  add check for advection schemes
705                  add a flag for restoring T and S underneath sea ice
706    o pkg/my82: add netcdf-support and diagnostics
707    o thsice pkg:
708      - Now hsMax limits snow height by turning it into ice following
709        flooding scheme (and now conserving energy)
710      - Slight rewriting of the formula in thsice_calc_thick.F
711      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
712      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
713    
714    checkpoint59p
715    o gchem / dic / cfc :
716      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
717      - add new parameter files: "data.dic" & "data.cfc" ;
718      - various re-arrangement in initialisation & header file ;
719      - fix tutorial_global_oce_biogeo for multi-threaded test.
720    o pkg/dic: test for "pickup_dic" file when restarting ;
721      if no pickup-file, can restart with a re-initialised pH (same as it did
722      before) providing pickupStrictlyMatch is set to False.
723    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
724      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
725    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
726      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
727    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
728     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
729       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
730    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
731       scheme to use for vorticty-term ;
732     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
733       (with default selectVortScheme, return to original discretisation)
734     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
735    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
736    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
737      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
738      also fix diagnostics VISCAHW & VISCA4W.
739    
740    checkpoint59o
741    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
742    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
743      move a few statemens out the main loop into separate loops
744    o pkg/shelfice:
745      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
746        (kg/m^2/s), does not break tests, because in verification/isomip,
747        rhoConstFresh=rhoConst (by accident)
748      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
749      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
750        new file model/src/seawater.F, so that they are available for all pkgs.
751      - convert potential temperature into in-situ temperature. This changes the
752        isomip tests => update tests
753    o add a flag writePickupAtEnd (default=true) to be able to suppress
754      writing a pickup at the last timestep
755    o tools/mpack-1.6 :
756      - disable automake (not working) and autoconf (not needed).
757      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
758        also cleaner with much less compilation warnings.
759    o pkg/profiles:
760      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
761      (for "less than 32 characters name" compiler requirement)
762    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
763      conditions that have a different sampling frequency than S/T/U/V obcs
764    o pkg/diagnostics (stats-diags):
765      - fix global Min/Max in case 1 processor get only empty tiles
766    o genmake2: replace (4 times)
767         make genmake_tc_1.o >> genmake_warnings 2>&1
768      with
769         COMM="$CC $CFLAGS -c genmake_tc_1.c"
770         echo $COMM >> genmake_warnings
771         $COMM >> genmake_warnings 2>&1
772      to make genmake2 always see the value of CC as specified in the optfile.
773    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
774      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
775      - modify verification advect_cs test to test SOM-advection on CS-grid.
776    o pkg/ctrl:
777      - Rewrite of ctrl_map_ini_ecco.F,
778        introducing a generic routine (ctrl_map_ini_gen.F).
779      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
780    
781    checkpoint59n
782    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
783      number in dedicate array "hdiag":
784      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
785        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
786      - many small changes (integer format) for large number of diagnostics
787      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
788        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
789    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
790      usingSphericalGrid, this allows to define the rotated grid coordinates
791      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
792      geographical coordinates according to the inverse of the rotation defined
793      by the Euler angles, so that Coriolis parameter and online-interpolation by
794      exf works with the geographical coordinates on XC/YC/XG/YG.
795      Naturally, this feature does not work with all packages, so some
796      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
797      profiles), because there the coordinates are assumed to be regular
798      spherical grid coordinates.
799    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
800      - introduce isopycnal diffusion coefficient control.
801    o tools/adjoint_options:
802      - additional control vector components.
803    o pkg/mnc: have mnc create marginally meaning full coordinate variables
804      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
805    o pkg/mypackage:
806      - add example of read/write pickup for state-var ;
807      - add entry points to the main code for state-vars diags & write-pickup.
808    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
809      transitions for useExfYearlyFields
810      - add new subroutine that determines the file to read from for
811        use*YearlyFields = .TRUE. and .FALSE.
812      - add a verification experiment to global_with_exf that tests
813        useExfYearlyFields with USE_EXF_INTERPOLATION defined
814    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
815      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
816      subroutines (which could be generated from a template, because they are
817      almost identical), for now they are included in obcs_prescribe_read.F for
818      simplicity
819    o pkg/exf:
820      - add a little more diagnostic to exf_interp_read (in analogy to
821        mds_read_field, can be turned off with debugLevel < debugLevA=1)
822      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
823        ugly but fast by unrolling short inner loops, inserting a unroll=8
824        directive in routine lagran, and splitting a loop and making do while the
825        outermost loop (the latter requires the intoduction of index arrays)
826    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
827    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
828      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
829    o verification/seaice_obcs: updated for restart test and latest options
830    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
831      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
832      for now this is only available for the C-grid code and also within
833      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
834    
835    checkpoint59m
836    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
837      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
838    o gad_som : fix flux output (& diagnostics) to have same units as other  
839      advection scheme fluxes (was previously multiplied by deltaT).  
840    o added verification/seaice_obcs both to test seaice open boundaries
841      and to provide an example matlab scrpt for generating them
842    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
843    o pkg/salt_plume: clean up salt_plume_frac.F to
844      remove redundancy in PlumeMethod 1 and 4
845    o pkg/kpp: added saltplume diagnostics
846    o pkg/obcs and pkg/seaice:
847      - do not set uice and vice to zero when OB*icefile are unspecified
848      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
849      - moved seaice tracer obcs after call to seaice_growth
850    o pkg/salt_plume: added various options for salt plume depth
851      criterion and for vertical distribution of the salt
852    
853    checkpoint59l
854    o pkg/ptracers: new version of ptracers pickup:
855      read meta file and write only fields which are needed to restart.
856      ( same logic as main pickup file ; also using pickupStrictlyMatch )
857    o pkg/seaice:
858      - add timescale for melting due to warm mixed layer as a means of
859        setting SEAICE_availHeatFrac more conveniently
860      - add a CPP-flag/runtime parameter check for flooding algorithm
861      - reformulated availHeat in seaice_growth.F to be independent of AREA
862    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
863      unit changes
864    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
865    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
866      SX vector computer.
867    o pkg/seaice:
868      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
869        seaice forcing fields can now be read only through pkg/exf
870      - removed some unused halos
871    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
872    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
873      or U/VICE from U/VWIND before computing U/VSTRESS
874    
875    checkpoint59k
876    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
877      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
878    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
879      all experiments pass when compile with un-initialised var. checking option.
880    o added pkg/salt_plume
881    o script to test restart (for now, in MITgcm_contrib/jmc_script)
882    o pkg/seaice: new read/write pickup version.
883      read meta file and write only fields which are needed to restart.
884      ( same logic as main pickup file ; also using pickupStrictlyMatch )
885    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
886    o lab_sea.hb87: modify the domain & update output.hb87.txt :
887      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
888      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
889      process. Fixed here by closing the domain at the Northern boundary.
890    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
891    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
892      a set of consecutive levels in/from a 3-D array.
893    o pkg/ptracers:
894      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
895      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
896    
897    checkpoint59j
898    o in pkgs: dic, obcs, offline, rbcs:
899      standard way to compute coeff. for time interpolation between 2 time reccords
900      which retains full precision (& make results less dependent on compiler).
901      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
902    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
903      packages instead of reading ice cover and wind speed separately
904    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
905     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
906      to allow to compile customized code before the update)
907    o cleaning-up:
908      - fix CPP instruction syntax in pkg/obcs
909      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
910        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
911      - fix some threads issue in IO parts.
912    o pkg/dic:
913      - add tons of "_d 0" (--> much better testreports !)
914       and then update outputs of tutorial_global_oce_biogeo
915    o pkg/mom_fluxform:
916      add a special version of momentum advection intended to conserve momentum
917      next to a bathymetry step or a coastline edge. (default = off = #undef)
918    o new read/write pickup version:
919      - for now, only implemented for main (mdsio) pickup file.
920      - write out only what is needed to restart; merge pickup_nh , pickup_ph
921        and main pickup together.
922      - read meta file; read only what is needed to restart; stop if a field
923        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
924        if it make sense (even if the restart is not perfect).
925      - if no meta file, assume that pickup to read corresponds exactly to
926        a pickup that would currently be written.
927      - read pickup written in the old format (until checkpoint59i) if it
928        recognizes an old meta file (no field-list).
929      - add a meta file in exp. which starts from a pickup: 2 cases:
930        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
931         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
932        b) a meta file describing the content of the associated pickup file
933         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
934    o pkg/mdsio & pkg/rw:
935      - new routine to read a meta file ; new set of routine to read
936        Multiple-fields file (with meta file).
937    o added open boundary conditions capability for seaice
938        HSNOW, HSALT, UICE, and VICE
939    
940    checkpoint59i
941    o adjoint:
942      * fix multiDimAdvection adjoint
943        (partial recomputation problem by TAF for fVerT(:,:,kDown)
944        and comlev1 size definition (maxpass vs. max. number of tracers)
945      * verification/global_ocean.90x45x15 adjoint now tests
946        NLFS and multiDimAdvection using DST3 (=30)
947      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
948    o pkg/kpp: add "_d 0" to real constant (if missing);
949      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
950      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
951    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
952      for internal parameters related to restart process (formerly from PARAMS.h)
953      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
954    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
955      as argument. (only atm2d & obcs write_pickup have not yet been updated)
956    o pkg/monitor:
957      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
958      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
959      - account for deep Atmosphere factor and density factor (anelastic)
960    o added open boundary conditions capability for seaice HEFF and AREA
961    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
962      thermodynamics
963      - requires a little reorganization, which affects the testreport results
964        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
965        so that now the conservative form is tested
966      - add a few comments
967    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
968    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
969    o add new diagnostics to seaice: advective, diffusive fluxes (only for
970      multidim-advection, for scheme 2 they are not filled) and transports,
971      thermodynamic growth rates
972    o change units of EmPmR (inside the code, + within coupling interface)
973      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
974      Affects results @ truncation level (cg2d match) and update output of
975       experiments: lab_sea(6), global_ocean.90x40x15(10),
976      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
977      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
978      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
979      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
980    
981    checkpoint59h
982    o pkg/exf:
983      - improve vectorization by moving if-statement out of loops in
984        exf_mapfields, exf_radiation
985      - exf_bulkformulae.F: introduce 2D fields and vectorize code
986    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
987    o testreport:
988      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
989        monitor & update offline_exf_seaice exp. output.
990      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
991    o pkg/seaice:
992      - bug fix in the evp solver: boundary conditions were affected be
993        masking of zMax/zMin (changes results)
994      - minor bug fix in boundary conditions in seaice_calc_strainrates
995        (changes results for no_slip)
996      - seaice_lsr.F: make interpolation of eta dependent on boundaries
997      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
998      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
999        stress formulation and no-slip boundary conditions
1000    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
1001      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
1002    o pkg/seaice: a first HSALT time stepping equation has been checked in
1003    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
1004      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
1005      without requiring DO-IF statements
1006    o pkg/thsice:
1007      use continuous power-law function for partition of energy between lateral
1008      melting/freezing and thinning/thickening ; old code using step function
1009      still available with #undef THSICE_FRACEN_POWERLAW
1010      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
1011    o testreport: change AD testing : check against results/output_adm.txt
1012      using same scripts as for forward test.
1013    
1014    checkpoint59g
1015    o adjoint testing: in preparation for changing testreport:
1016      - output format: cost and grad written on separated lines
1017      - ad output results in directory "results" (instead of "results_ad")
1018    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
1019    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
1020    o pkg/ecco: allow user defined cost function contributions
1021    o testreport:
1022      Allow to choose (per experiment) the list of tested output variables
1023       and the main variable (used to issue a pass/FAIL ) ;
1024      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
1025      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
1026      Also modify printing of summary:
1027       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
1028       b) echo the list of tested variables in the individual summary.txt of
1029          each experiment.
1030    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
1031      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
1032      (but still depend on the tile decompostion of the domain).
1033    o pkg/seaice: change a discretization detail to make the B-grid code
1034      "more symmetric". This change is likely to remove all "ridges/leads" that
1035      where quasi-aligned with the grid in B-grid solutions. It may also be
1036      the solution to the stress coupling issues with the B-grid.
1037    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
1038      remove .cvsignore from input dir. (since testreport no longer run here).
1039    o pkg/thsice:
1040     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
1041     - fix reshaping of sea-ice just after advection:
1042       melt all the ice only if ice-volume is too small.
1043     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
1044       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
1045     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
1046    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
1047      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
1048    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
1049      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
1050      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
1051      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
1052      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
1053      -> update output.txt
1054    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
1055     this affects truncation error: -> update output.txt of exp:
1056      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
1057      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
1058    
1059    checkpoint59f
1060    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
1061    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
1062      a bounded range (in forward mode)
1063    o pkg/ecco, ctrl, autodiff and mom_common:
1064     internal parameter controls, completements of implementations
1065    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
1066    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
1067      (not seem any difference in testing results).
1068    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
1069       at face corners.
1070    o pkg/generic_advdiff:
1071     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
1072      loop range indices for computing vertical advection tendency
1073      and do the calculation in the interior only (no overlap) ;
1074      for now, only implemented for SOM advection (to save CPU time).
1075     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
1076    o exch2 adjoint
1077      First set of changes:
1078      - add exch2 hand-written adjoint templates
1079      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
1080        This will require cleanup in pkg/autodiff/*.F
1081        (changed routines currently kept separate in verif. code/)
1082      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
1083        that used to hide exch2 or cubed-sphere specific code
1084        (commented via 'cph-exch2')
1085    o pkg/seaice
1086      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
1087    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
1088       output of global_ocean.cs32x15.thsice .
1089    
1090    checkpoint59e
1091    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
1092      for B-grid vector (not yet tested) and C-grid vector (<- only used
1093      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
1094    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
1095      (#ifdef ALLOW_SALT_PLUME)
1096    o gather_2d/scatter_2d: removed halo regions
1097    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
1098      scheme and the corresponding test case (under front_relax dir). For now,
1099      only available with Skew-flux form and not yet tested in realistic set-up.
1100      adjoint: store directives updated, but gradient checks deteriorated,
1101      so maybe GM/Redi adjoint is now broken.
1102    o seaice adjoint
1103      * add AREA, HEFF, HSNOW as control variable
1104        (should not change lab_sea results)
1105      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
1106    o pkg/seaice:
1107      * added computation of saltFlux in seaice_growth;
1108        For time being, sea ice salinity is assumed constant
1109        contribution of snow flooding to freshening of sea ice is neglected.
1110        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
1111        defaults to 0.0 in order to maintain backward compatibility.
1112        Typical values for SEAICE_salinity are 4 to 10 g/kg.
1113      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
1114      * added SEAICE_availHeatFrac, which specifies fraction of surface level
1115        heat content used to melt or grow ice
1116      * commented out cap of HICE: it helps keep ice thinner
1117      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
1118      * applied OBCS T/S mask to HEFFM sea ice mask
1119    
1120    checkpoint59d
1121    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
1122     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
1123     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
1124    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
1125     and change default value of parameter "GM_Small_Number";
1126     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
1127       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
1128       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
1129    o pkg/ecco: cost function when applying pkg/smooth to controls
1130    o pkg/ctrl: add forcingPrecond run time parameter
1131    o pkg/seaice:
1132     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
1133     - fix bug in metric terms of u-equation in LSR solver (implicit part),
1134       changes verification/lab_sea
1135     - rearrange implicit part of u-equation in LSR solver to make it easier to
1136       read, understand, and debug. This causes changes at the truncation level.
1137     - fix (serious) bug in the boundary conditions (sign error in the implicit
1138       part) of the LSR solver. Changes all LSR results.
1139     - fixed problem with HSNOW initialization to avoid thick snow when AREA
1140       is initilized with small values - does not change lab_sea results.
1141     - added HsnowFile initialization capability
1142    o pkg/smooth: addition to model/src and pkg/ctrl so allow
1143     initialization of pkg/smooth and application to control vector
1144    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
1145    o dependencies: pkg/profiles requires pkg/cal
1146    o pkg/profiles:
1147     - added option ALLOW_PROFILES_GENERICGRID
1148         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
1149         that interpolation information (grid points and coefficients) is provided
1150         within the netcdf input files.
1151         -> sample matlab scripts can be found in MITgcm_contrib/gael
1152         that allow you to prepare netcdf input files.
1153     - also modified: cleaner include statements, cleaner error print statements,
1154       cleaner stops when error, and more tests of the netcdf input files consistency.
1155    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
1156    o pkg/seaice:
1157     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
1158       requires a new routine: seaice_diagnostics_fill.F
1159     - make sure that seaice does not move if not forced (pressure replacement
1160       method, Hibler and Ip, 1995), changes results
1161     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
1162     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
1163       It is turned off by default (=-1.), because it changes the results.
1164     - make it possible to read AREA from a file, too.
1165    
1166    checkpoint59c
1167    o add S/R and diagnostics for oceanic mixed-layer depth
1168    o move GMRedi call after all vertical mixing schemes (including KPP)
1169    o pkg/thsice:
1170     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
1171      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
1172    o pkg/obcs:
1173     - bug fix for balance code
1174    o pkg/seaice:
1175      - allow values of SEAICE_elasticParm > 1
1176      - add new parameter SEAICE_evpTauRelax as an alternative
1177        to SEAICE_elasticParm
1178      - make lsr boundary conditions free slip (by default), changes result
1179      - add code for no slip boundary conditions for lsr
1180      - set minimum of zeta to zero (and not 4e8) (changes results)
1181      - add a cap on AREA after advecting AREA if seaice_growth is not called
1182    o change calculation of Visbeck K:
1183      - no longer depend on tapering scheme; instead, compute slope (limited
1184        by GM_maxSlope). this is equivalent to what was comuted before with
1185        clipping or linear tappering.
1186      - fix vertical averaging (wrong by 1/2 level)
1187      - leave the old version (but will not be maintained) within
1188        #ifdef OLD_VISBECK_CALC / #endif
1189      - update output of exp. ideal_2D_oce
1190    o change error catch in calc_r_star to improve vectorization
1191    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
1192      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
1193    o adjoint:
1194      Re-organized adjoint checkpointing according to Matt Mazloff
1195      (but with modifs/completions/cleanups)
1196      Storing is now bundled into large arrays to optimized I/O
1197      (and second step in cleanup of the_main_loop)
1198    
1199    checkpoint59b
1200    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
1201      - export/import (between ocean & coupler) fields needed for ocean DIC.
1202    o pkg/seaice:
1203      - get rid of three more exchanges seaice_calc_viscosities (required
1204        different loop boundaries in seaice_lsr and seaice_ocean_stress)
1205      - bug fix in seaice_ocean_stress (update of lab_sea required)
1206      - reduce loop boundaries to necessary minimum also in seaice_evp
1207      - go back to the old way of computing deltaC/Z as the adjoint likes that
1208        better
1209    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
1210      passive tracer to an Age Tracer) + update output.txt
1211    o pkg/exf:
1212      - implement A-grid / C-grid selection for wind-stress input files.
1213      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
1214      for now, in exf_bulk_largeyeager04.F only :
1215      - change implementation for case where windspeed + 2. components wind-stress
1216        are read-in. AND use rhoConstFresh to convert evap.
1217    o pkg/seaice:
1218      - use correct EXCH_UV for wind-forcing (on A-grid).
1219      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
1220        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
1221    o pkg/exf:
1222      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
1223      EXF_INTERPOLATION:
1224      - merge global_with_exf/code version of exf_interp_read.F
1225        to the main code ;
1226      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
1227        reading the file ; Important: This options needs to be defined to recover
1228        previous code.
1229        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
1230      - no longer loose real*8 precision along the way when using exf_iprec=64.
1231  o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)  o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
1232      - change discretisation of evp-solver in order to avoid another exchange
1233        (changes lab_sea) and clean up a little
1234      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
1235        help the adjoint (this also changes the results slightly)
1236      - add a few "_d 0" where they had been missing in seaice_evp.F
1237      - cleaning up: remove unused seaice_calc_rhs.F
1238  o pkg/exf: some cleaning-up:  o pkg/exf: some cleaning-up:
1239    - change various "constants" into runtime parameters    - change various "constants" into runtime parameters
1240    - cleaned-up Large&Yeager04 routine which should eventually    - cleaned-up Large&Yeager04 routine which should eventually
# Line 18  o pkg/exf: some cleaning-up: Line 1248  o pkg/exf: some cleaning-up:
1248  o pkg/thsice:  o pkg/thsice:
1249   fix few little problems, in thsice_calc_thickn.F:   fix few little problems, in thsice_calc_thickn.F:
1250    - growth vertically (and not laterally) if iceFrac == iceMaskMax    - growth vertically (and not laterally) if iceFrac == iceMaskMax
1251    - melt laterally only if hIce < hThinIce (as the comments say)    - melt only laterally if hIce < hThinIce (as the comments say)
1252    and in thsice_extend.F:    and in thsice_extend.F:
1253    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
1254    - start to form ice as soon as the minimum ice-volume is reachable.    - start to form ice as soon as the minimum ice-volume is reachable.
# Line 55  o in FFIELDS.h: Line 1285  o in FFIELDS.h:
1285       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
1286  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
1287  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
1288      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
1289        are no longer updating the vertical diffusivity array
1290        (passed as argument) but are (re-) setting those arrays.
1291  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
1292    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
1293      cgrid-lsr and evp solver      cgrid-lsr and evp solver
# Line 1537  o add two new packages Line 2769  o add two new packages
2769    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2770    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2771      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2772      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2773  o add offline package  o add offline package
2774  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2775    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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