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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.1126 by jmc, Wed Jun 17 20:26:00 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 adding precip control xx_precip  o model/src:
8  o moved ptracer ctrl index 17 -> 32    do_the_model_io: rename few pkg S/R which are called from do_the_model_io,
9       to avoid "_diags" naming if no relation to pkg/diagnostics.
10      ini_theta,ini_salt: fix (at least compile the code) reading from NetCDF
11       file and only call PLOT_FIELD_XYZ if debugMode=T.
12      remove few PLOT_FIELD_XY calls outside initialisation.
13      remove few unnecessary BARRIER.
14    o pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
15      of salt_plume package in Southern Ocean
16    o pkg/thsice:
17     - fix hOceMxL in overlap (needed for sea-ice advection);
18       update output of experiment global_ocean.cs32x15.icedyn.
19    o pkg/seaice:
20     - make the (placeholder-)tracer IceAge a little more meaningful
21      by avoiding ridging of age due to convergent ice flow
22     - add diagnostics for surface temperature
23    
24    checkpoint61p
25    o eesupp (global_max & global_sum):
26     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
27     - remove starting & endding barrier (no longer needed)
28    o pkg/mdsio, writelocal:
29       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
30       (remove the STOP): uses shared buffer IO to store data from all threads
31       and then let master-thread write nThreads tiles.
32    o pkg/mdsio (read/write field):
33     - tiled IO done in 1 piece (all levels at a time);
34     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
35     - multi-threaded: allow to read/write local (non-shared) array
36       (was already working with singleCpuIO ; now works also without);
37       => no longer needs barrier call after reading a file (added inside
38       mds_read/write field).
39     - move barrier calls outside gather/scatter_2d to mds_read/write_field
40    o pkg/obcs/exf
41      - exf_getffieldrec.F: add a few ". _d 0" and
42                            add code to catch the case fldperiod = 0.  
43      - obcs_precribe_read.F: change if statements so that they match
44                              the variable type (_RL)
45      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
46        exf_iprec) as part of namelist EXF_NML_01
47    o pkg/mdsio:
48      - read/write tiled (local) files: read/write 1-level tile chunk at a time
49        (instead of segment of length sNx); expected to speed up tiled IO.
50    o pkg/exch2:
51      - take buffer copy from/to array out of S/R exch2_send/recv into new
52        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
53        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
54      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
55      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
56        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
57        including Topology header file (and common blocks).
58      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
59        remove 2nd exch call in exch2_s3d_rx (no longer needed).
60      - document S/R arg. list (+ update some comments)
61    o pkg/seaice:
62      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
63        temperature and humidity over sea ice based on climatological values.
64      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
65        of LSR (this change is expected to change the results slightly because now
66        it uses slightly difference moduli from the second last LSR solution, but
67        that is more consistent with the stress computations; this part of the code
68        is not tested in the verification experiments)
69      - fix diagnostics for flux of ice in case of B-grid
70      - turn strain rates eij and press into global fields within global
71        common block in SEAICE.h for more straighforward diagnostics
72      - fix diagnostics for principal stress components, press, zeta, eta
73        to give something meaning full
74    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
75      new output (all 4 tests) using default rotationPeriod.
76    o pkg KPP:
77      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
78      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
79        and normal grid from 1 to Nr)
80    o Fix computations of L4rdt in mom_calc_visc.F
81    o eesupp:
82      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
83      should be called before a "stop" if we know that all process are going
84      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
85    
86    checkpoint61o
87    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
88    o model/src/ini_curvilinear_grid.F:
89       compute angleSin/CosC when they are not read from a file
90    o pkg/seaice:
91       add pseudo time stepping for LSOR
92    o pkg/exch2:
93       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
94    o pkg/seaice:
95       Adding separate sea ice albedo, drag coefficients, and HO in Southern
96       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
97    o SingleCpuIO:
98       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
99    o pkg/seaice:
100       put exchanged variable in (local) common block for MPI+Multi-Threads
101       to work (necessary with exch1, and for now with exch2 too).
102    o verification: to get more experiments tested with mpi, mth and mpi+mth,
103      change tiling of:
104       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
105       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
106      update output of exp:
107       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
108       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
109      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
110                       (note: output.txt generated on faulks using only 1 tile)
111    o eesupp & mdsio (SingleCpuIO):
112     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
113       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
114       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
115     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
116     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
117       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
118    o pkg/exch2:
119     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
120       read parameter file "data.exch2" if it exists; otherwise try default regular
121       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
122     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
123       with new code (not to be used, just as a backup solution).
124     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
125       in utils/exch2/input.
126    
127    checkpoint61n
128    o eesupp & mdsio (SingleCpuIO):
129      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
130        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
131        receive real*4 array (instead of real*8) to read/write 32.bit files.
132        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
133         and remove new mapping S/R)
134    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
135      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
136        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
137        when using exch2. Add S/R to map global io-buffer to global model array.
138      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
139    
140    checkpoint61m
141    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
142      and add 3 other S/R for other types (R4,R8,RS).
143      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
144    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
145     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
146     - reduce number of macro definitions (keep only those which are used);
147       can always call directly the corrresponding S/R if needed.
148     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
149       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
150     Fixed wrong type of arg in:
151       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
152       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
153     To fix: global_sum of var in common block is wrong (multi-threaded) in:
154       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
155     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
156    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
157      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
158    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
159    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
160      edges are closed (zero depth); might happen with "blank tiles";
161      for now, disabled if using OBCS.
162    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
163      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
164    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
165      to reduce length of 1.D array print in STDOUT.
166    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
167      + use 48 tiles (16x8): this will allow to test "blank tiles".
168    o start to test MPI + multi-threaded (change testreport to skip tests
169      where number of tiles do not match).
170    o genmake2: add option "-omp" to turn on Open-MP ;
171      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
172    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
173      and keep the original tile numbering. Note: compatible with old
174      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
175    
176    checkpoint61l
177    o Overlaps had been forgotten in calculating ijk keys : fixed
178    o fix cyrus makedepend for gcc 4.4
179    o experiment fizhi-cs-aqualev20:
180      switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
181      and generate new output. Note: new output is much closer to the old
182      one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
183      the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
184    o pkg/fizhi:
185     - change to avoid indices going deliberately over array-bounds
186     - remove unnecessary MPI stuff
187     - perpetual spring equinox with "#define FIZHI_USE_FIXED_DAY"
188     - new version of S/R GETPWHERE available with #define TRY_NEW_GETPWHERE:
189       does not go over array-bounds and therefore returns reliable output.
190     - in fizhi_driver.F & fizhi_turb.F, fix "get_alarm" calls:
191       this S/R has 4 output arguments, which are used inside "get_alarm";
192       when it is called with the same variable "ndum" in place of several
193       output arguments, this produces weird side effect inside "get_alarm"
194      (e.g., datein=dates(n) is overwritten by timein=times(n) since both
195       datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
196       address) and produces error.
197    o tools/gemake2: (March 27-29 2009)
198      with option "-mpi": link *_mpi files from "MODS" dir (this is what
199      testreport does).
200    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
201    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
202       update lab_sea.lsr & lab_sea.salt_plume results
203    o pkg/seaice:
204      Major overhaul of the LSOR solver: change discretization from original
205      finite differences to finite volume. The old routine is still in the
206      file seaice_lsr.F and can be turned on with the CPP-flag
207      SEAICE_OLD_AND_BAD_DISCRETIZATION
208      Along with this change, the discretization of the strain rates is changed.
209      The same flag turns on the old discretization in seaice_calc_strainrates.F
210      All verification experiments with seaice are affected (except for
211      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
212      results by setting the above flag.
213      Further changes involve changes in defaults:
214      - ALLOW_FLOODING is defined and turned on by default
215      - SEAICEadvSnow = .true. is now the default
216      - SEAICEadvSalt = .true. is now the default
217      - SEAICEadvAge  = .true. is now the default
218      - SEAICE_clipVelocities  = .false. is now the default
219                                         (as per J. Zhang's recommendation)
220      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
221        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
222      - seaice_growth: replace computation of UG by a simple copy from wspeed
223    
224    checkpoint61k
225    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
226      seaice_lsr: fixed a few metric terms,
227                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
228                  add more debugging diagnostics
229      seaice_evp: removed superfluous many metric terms of FV discretization
230                  of stress divergence
231                  affects lab_sea, lab_sea.hb87
232      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
233                  of stress divergence for non-evp solver
234                  (this part is not tested anywhere)
235      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
236                  they were effectively only half slip
237                  affects lab_sea.hb87
238      updated all relevant verification experiments (except lab_sea//output_adm.txt
239        which was left over, but fails at level 7 & 6)
240    
241    checkpoint61j
242    o pkg/seaice: turn a few hard wired parameters into run time parameters
243    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
244      time in seconds as promised by the usints in seaice_monitor and exf_monitor
245    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
246      that are not cubed-sphere grids
247    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
248    o pkg/ctrl:
249      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
250    o non-hydrostatic (calc_gw.F):
251      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
252      update output of exp. global_ocean.cs32x15.viscA4
253    o remove backward compatibility for thetaMin,phiMin
254      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
255    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
256      interpolated wind field not only for curvilineargrid=.true., but also
257      for a rotated grid (rotateGrid=.true.)
258    o pkg/exf: add capability to bypass interpolation for runoff
259      by setting yet another CPP-flag
260    o eesupp/src, B-grid exchange:
261      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
262    o autodiff
263      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
264      allows to switch to single-prec common blocks;
265      corresponding switch occurs in tamc.h, integer isbyte
266      TAF store directivs "byte" and "kind" seem equivalent;
267      Most tamc.h have been updated correspondingly.
268    
269    checkpoint61i
270    o autodiff:
271      fix autodiff_sore/_restore indices for obcs
272      (spotted by I. Hoteit, M. Mazloff)
273    o pkg/autodiff, pkg/ctrl:
274      Add flag to reduce all tapelev I/O to single-prec.
275      In data.ctrl set
276        doSinglePrecTapelev = .TRUE.
277    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
278      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
279    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
280      real fresh water flux (not yet)
281    o pkg/mdsio & rw:
282     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
283     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
284    o pkg/flt:
285     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
286       init_fixed & ini_varia.
287     - clean-up & simplify linear interpolation S/R:
288       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
289     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
290     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
291     - add vert. coordinate & horiz. indices to output files.
292     - change vertical position in initial condition, from index to depth [m].
293     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
294       (easier to get to a curvilinear grid) ; delX,delY no longer used.
295    o pkg/ggl90: a few modifications:
296     - fix bottom boundary condition, and interpolation of KappaE
297       near top and bottom
298     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
299     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
300     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
301    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
302      (maintain temporary backward compatibility, until next checkpoint)
303    
304    checkpoint61h
305    o pkg/diagnostics with "periodic averaging diagnostics":
306      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
307    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
308    o pkg/obcs: fix loop ranges for balancing code
309    o pkg/flt:
310     - improve criteria for finding which tile owns a float.
311     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
312    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
313      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
314      with ocean biogeo)
315    o pkg/flt:
316     - do some cleaning and fix the restart ;
317     - add output.txt in flt_example/results to get this pkg tested.
318    o genmake2: add an EXTENDED_SRC option and flag.
319       for now, cannot be turned on on command line (only through genmake_local)
320    o pkg/mdsio: read/write vector:
321     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
322     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
323       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
324     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
325      (drop to 4 digits matching for grad). But this test does not look very
326      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
327    
328    checkpoint61g
329    o pkg/flt:
330      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
331       + make OPTIONS file more standard.
332      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
333      - fix _BYTESWAPIO CPP-Flag
334      - standard reading of file-parameter "data.flt"
335      - fix argument list of S/R FLT_RESTART
336      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
337    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
338    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
339      a still unfixed compiler/optimization bug
340    
341    checkpoint61f
342    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
343      update results of global_ocean.cs32x15.icedyn test.
344    o move getcon.F from model/src to pkg/fizhi.
345    o pkg/exf: add parameter for extrapolation of temp up to the surface
346       and option to prevent negative evap (in bulk_largeyeager04 only).
347    o Prather Advection scheme: fix tracer conservation for divergent flow
348      (e.g., when using NonLin Free-Surface).
349    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
350    o gmredi (Visbeck-variable-K):
351     - add more parameters to Visbeck-variable-K.
352     - use a 5 points average for dSigmaR in Visbeck-K calculation
353       (more "homogenous": same stencil and same weights as in dSigmaH)
354     - update output of ideal_2D_oce experiment.
355    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
356      (#undef REAL4_IS_SLOW)
357     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
358       coordinate variable
359     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
360       (surface forcing fields), removes some of the functionality
361     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
362     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
363       probably not all: copy _RS surface flux fields to RL field before
364       calling DIAGNOSTICS_FILL
365     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
366       real*4 (CALL EXCH_*_RS) versions.
367     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
368       (generate new output).
369    
370    checkpoint61e
371    o gmredi (Visbeck-variable-K):
372      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
373      - change computation of Visbeck-K where Slope > Smax :        
374        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
375        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
376    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
377      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
378    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
379    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
380      does not become too large (to avoid precision problems in implicit-diffusion
381      solver); update ideal_2D_oce output.
382    o pkg ggl90:
383      - in ggl90_cal.F: compute only one set of visc/diff, used to
384        step forward TKE/T/S/momentum
385      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
386        have Prandlt =1)
387    o gmredi (fm07):
388      - add lower limit on Transition layer thickness + lower limit on 1/lambda
389      - allow to set few more params from data.gmredi
390    o pkg ggl90:
391          - add missing sqrt(2) factor in computation of mixing length
392            scale in ggl90_calc.F
393            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
394    
395    checkpoint61d
396    o adjoint modifs
397      - adapt to new field rhoInSitu
398      - allow to revert from StoreDynVars2D, StoreDynVars3D
399        to individual fields
400        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
401    o store 3-D (in-situ) density in commom block (DYNVARS.h)
402     - save 1 rho computation.
403     - no longer modify T & S inland when using down_slope pkg.
404    o gad_som : allow to switch to SOM advection for T & S without corresponding
405      pickup files (using new S/R: MDS_CHECK4FILE).
406    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
407      (for useSingleCpuIO to work in multi-threaded)
408    o pkg/shelfice:
409     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
410       with SHELFICEtopoFile in data.shelfice
411     - move code for reading ice shelf topography and modifying hFacC into separate
412       subroutines of the shelfice package
413     - separate initialisation of "fixed" and "variable" variables
414     - kTopC is not (yet) replaced by kSurfC, although this is possible
415    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
416    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
417      and rename:
418      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
419      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
420    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
421    
422    checkpoint61c
423    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
424      to add mass source/sink of fluid in the interior (3-D generalisation
425      of oceanic real-fresh water flux).
426    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
427    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
428    o new pkg: down_slope
429      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
430      - presently, modify T & S inland (dwnslp_calc_rho.F).
431        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
432      - implementation for ocean in P-coords not tested.
433      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
434    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
435      (to facilitate conversion of oceanic pkg to p-coordinate).
436    o change FIND_RHO to FIND_RHO_2D :
437      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
438    o new pkg: cheapaml
439    
440    checkpoint61b
441    o exch2:
442      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
443      - no longer depend on the order sequence (N,S,E,W).
444      - 3rd exchange no longer needed (tested with 24 tiles).
445      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
446      - exch_UV_A-grid readily available (but not yet tested).
447      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
448      (both are no longer needed) in exch_uv: no effect in forward run; but
449       get truncation error differences with adjoint exch.
450    o exch2:
451     - change index-bounds storage (moved from target to local tile,
452       more intuitive this way) ; rename/remove some variables.
453     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
454    
455    checkpoint61a
456    o exch2/matlab-topology-generator:
457      fix bug in index bounds for N-S internal exchange (hard to tell if this
458      had any effect on the solution).
459    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
460      is exceeded
461    o testreport: modify syntax of awk, so that it works also with
462      awk, and not only with nawk and gawk
463    
464    checkpoint61
465    o autodiff
466      Change default for TAF usage by removing argument '-nonew_arg'
467      This changes TAF subroutine argument list (ordering of active var.)
468      Omission of this flag leads to incompatibility w.r.t. TAMC
469      To restore TAMC-compatibility, need following modifs:
470      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
471      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
472      Tested TAF version is 1.9.22
473      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
474    
475    checkpoint60
476    --->>> This is the last checkpoint for which generating the adjoint
477    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
478    --->>> by default.
479    --->>> Future checkpoints will ommit this flag by default.
480    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
481    o pkg/grdchk: Add gradient check to etan0 perturbations.
482    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
483    o pkg/autodiff: more flexibility in zeroadj.
484      model/src: modifying do_oceanic_phys.F accordingly.
485    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
486    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
487      special setup of gmredi for which the adjoint is stable
488      enough for parameter optimization.
489    o bridging the gap between eddy stress and GM.
490      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
491          along with a change in CPP option (now ALLOW_EDDYPSI).
492      -> when using GM w/ GM_AdvForm:
493          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
494          is applied either in the tracer Eq. or in momentum Eq.
495          depending on data.gmredi (intro. GM_InMomAsStress).
496      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
497      The key modifications are in model/src/taueddy_external_forcing.F
498      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
499    
500    checkpoint59r
501    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
502      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
503      fix option to read coriolis(@ cell-corner) from files with CS-grid.
504    o pkg/mnc: add some attributes to standard 1D-coordinate variables
505    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
506      mass points, when using mnc for output
507      - add runtime parameter (missing_value, missing_value_int) to override
508        default (which is the value of getcon('UNDEF'))
509    o pkg/mnc: prepare mnc for the actual use of missing values with the
510      diagnostics package: small fix in mnc_cw_readwrite.template and more
511      initialisation of never used fields
512      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
513      versions
514    o pkg/thsice/thsice_ini_vars.F added default initial values so that
515      thermodynamics sea ice solver does not blow up when some initial fields
516      are missing.
517    o move from external_forcing_surf.F to ini_forcing.F
518      the p-coord. hack consisting in using pLoad to set phi0surf ;
519      update output of tutorial_global_oce_in_p (affected @ truncation level).
520    o Freshen up a bit hs94.1x64x5, notably:
521      remove rotationPeriod and tRef=5*0. (adjoint only), and add
522      exactConserv=.TRUE.
523    o pkg/generic_advdiff:
524      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
525      applies to files where Temperature & Salinity 2nd Order moments are used.
526    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
527      this uses a dynamically allocated internal state data structure
528      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
529      and requires a fortran 90 compiler
530    
531    checkpoint59q
532    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
533       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
534    o Refresh tutorial_global_oce_biogeo, notably:
535      - change bathymetry (put back seamounts in ACC, use hFacs)
536      - change EOS (POLY3 --> JMD95Z)
537      - use Bryan-Lewis vertical diffusivity
538      - use multidimensional advection
539      - remove old virtual virtual in dic pkg, now done through ptracer pkg
540      - change a couple of parameters in dic pkg
541    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
542    o pkg/obcs: change default to OBCSfixTopo = .true.,
543      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
544      - replace "debugMode" with "debugLevel .GE. debLevB"
545    o implementation of TAF directives for gchem,cfc,dic
546    o remove "exp5" (replaced by tutorial_deep_convection).
547    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
548      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
549      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
550      --> changes results in exp4, seaice_obcs
551    o tutorial_deep_convection :
552      update the set-up and increase resolution and domain size ; start
553      from pseudo initial conditions = output at t=120mn in order to see
554      something happening when running testreport.
555    o pkg/seaice: add os7mp as an advection scheme
556                  add check for advection schemes
557                  add a flag for restoring T and S underneath sea ice
558    o pkg/my82: add netcdf-support and diagnostics
559    o thsice pkg:
560      - Now hsMax limits snow height by turning it into ice following
561        flooding scheme (and now conserving energy)
562      - Slight rewriting of the formula in thsice_calc_thick.F
563      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
564      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
565    
566    checkpoint59p
567    o gchem / dic / cfc :
568      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
569      - add new parameter files: "data.dic" & "data.cfc" ;
570      - various re-arrangement in initialisation & header file ;
571      - fix tutorial_global_oce_biogeo for multi-threaded test.
572    o pkg/dic: test for "pickup_dic" file when restarting ;
573      if no pickup-file, can restart with a re-initialised pH (same as it did
574      before) providing pickupStrictlyMatch is set to False.
575    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
576      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
577    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
578      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
579    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
580     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
581       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
582    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
583       scheme to use for vorticty-term ;
584     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
585       (with default selectVortScheme, return to original discretisation)
586     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
587    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
588    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
589      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
590      also fix diagnostics VISCAHW & VISCA4W.
591    
592    checkpoint59o
593    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
594    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
595      move a few statemens out the main loop into separate loops
596    o pkg/shelfice:
597      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
598        (kg/m^2/s), does not break tests, because in verification/isomip,
599        rhoConstFresh=rhoConst (by accident)
600      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
601      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
602        new file model/src/seawater.F, so that they are available for all pkgs.
603      - convert potential temperature into in-situ temperature. This changes the
604        isomip tests => update tests
605    o add a flag writePickupAtEnd (default=true) to be able to suppress
606      writing a pickup at the last timestep
607    o tools/mpack-1.6 :
608      - disable automake (not working) and autoconf (not needed).
609      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
610        also cleaner with much less compilation warnings.
611    o pkg/profiles:
612      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
613      (for "less than 32 characters name" compiler requirement)
614    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
615      conditions that have a different sampling frequency than S/T/U/V obcs
616    o pkg/diagnostics (stats-diags):
617      - fix global Min/Max in case 1 processor get only empty tiles
618    o genmake2: replace (4 times)
619         make genmake_tc_1.o >> genmake_warnings 2>&1
620      with
621         COMM="$CC $CFLAGS -c genmake_tc_1.c"
622         echo $COMM >> genmake_warnings
623         $COMM >> genmake_warnings 2>&1
624      to make genmake2 always see the value of CC as specified in the optfile.
625    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
626      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
627      - modify verification advect_cs test to test SOM-advection on CS-grid.
628    o pkg/ctrl:
629      - Rewrite of ctrl_map_ini_ecco.F,
630        introducing a generic routine (ctrl_map_ini_gen.F).
631      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
632    
633    checkpoint59n
634    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
635      number in dedicate array "hdiag":
636      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
637        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
638      - many small changes (integer format) for large number of diagnostics
639      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
640        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
641    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
642      usingSphericalGrid, this allows to define the rotated grid coordinates
643      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
644      geographical coordinates according to the inverse of the rotation defined
645      by the Euler angles, so that Coriolis parameter and online-interpolation by
646      exf works with the geographical coordinates on XC/YC/XG/YG.
647      Naturally, this feature does not work with all packages, so some
648      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
649      profiles), because there the coordinates are assumed to be regular
650      spherical grid coordinates.
651    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
652      - introduce isopycnal diffusion coefficient control.
653    o tools/adjoint_options:
654      - additional control vector components.
655    o pkg/mnc: have mnc create marginally meaning full coordinate variables
656      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
657    o pkg/mypackage:
658      - add example of read/write pickup for state-var ;
659      - add entry points to the main code for state-vars diags & write-pickup.
660    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
661      transitions for useExfYearlyFields
662      - add new subroutine that determines the file to read from for
663        use*YearlyFields = .TRUE. and .FALSE.
664      - add a verification experiment to global_with_exf that tests
665        useExfYearlyFields with USE_EXF_INTERPOLATION defined
666    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
667      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
668      subroutines (which could be generated from a template, because they are
669      almost identical), for now they are included in obcs_prescribe_read.F for
670      simplicity
671    o pkg/exf:
672      - add a little more diagnostic to exf_interp_read (in analogy to
673        mds_read_field, can be turned off with debugLevel < debugLevA=1)
674      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
675        ugly but fast by unrolling short inner loops, inserting a unroll=8
676        directive in routine lagran, and splitting a loop and making do while the
677        outermost loop (the latter requires the intoduction of index arrays)
678    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
679    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
680      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
681    o verification/seaice_obcs: updated for restart test and latest options
682    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
683      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
684      for now this is only available for the C-grid code and also within
685      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
686    
687    checkpoint59m
688    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
689      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
690    o gad_som : fix flux output (& diagnostics) to have same units as other  
691      advection scheme fluxes (was previously multiplied by deltaT).  
692    o added verification/seaice_obcs both to test seaice open boundaries
693      and to provide an example matlab scrpt for generating them
694    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
695    o pkg/salt_plume: clean up salt_plume_frac.F to
696      remove redundancy in PlumeMethod 1 and 4
697    o pkg/kpp: added saltplume diagnostics
698    o pkg/obcs and pkg/seaice:
699      - do not set uice and vice to zero when OB*icefile are unspecified
700      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
701      - moved seaice tracer obcs after call to seaice_growth
702    o pkg/salt_plume: added various options for salt plume depth
703      criterion and for vertical distribution of the salt
704    
705    checkpoint59l
706    o pkg/ptracers: new version of ptracers pickup:
707      read meta file and write only fields which are needed to restart.
708      ( same logic as main pickup file ; also using pickupStrictlyMatch )
709    o pkg/seaice:
710      - add timescale for melting due to warm mixed layer as a means of
711        setting SEAICE_availHeatFrac more conveniently
712      - add a CPP-flag/runtime parameter check for flooding algorithm
713      - reformulated availHeat in seaice_growth.F to be independent of AREA
714    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
715      unit changes
716    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
717    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
718      SX vector computer.
719    o pkg/seaice:
720      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
721        seaice forcing fields can now be read only through pkg/exf
722      - removed some unused halos
723    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
724    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
725      or U/VICE from U/VWIND before computing U/VSTRESS
726    
727    checkpoint59k
728    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
729      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
730    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
731      all experiments pass when compile with un-initialised var. checking option.
732    o added pkg/salt_plume
733    o script to test restart (for now, in MITgcm_contrib/jmc_script)
734    o pkg/seaice: new read/write pickup version.
735      read meta file and write only fields which are needed to restart.
736      ( same logic as main pickup file ; also using pickupStrictlyMatch )
737    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
738    o lab_sea.hb87: modify the domain & update output.hb87.txt :
739      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
740      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
741      process. Fixed here by closing the domain at the Northern boundary.
742    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
743    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
744      a set of consecutive levels in/from a 3-D array.
745    o pkg/ptracers:
746      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
747      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
748    
749    checkpoint59j
750    o in pkgs: dic, obcs, offline, rbcs:
751      standard way to compute coeff. for time interpolation between 2 time reccords
752      which retains full precision (& make results less dependent on compiler).
753      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
754    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
755      packages instead of reading ice cover and wind speed separately
756    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
757     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
758      to allow to compile customized code before the update)
759    o cleaning-up:
760      - fix CPP instruction syntax in pkg/obcs
761      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
762        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
763      - fix some threads issue in IO parts.
764    o pkg/dic:
765      - add tons of "_d 0" (--> much better testreports !)
766       and then update outputs of tutorial_global_oce_biogeo
767    o pkg/mom_fluxform:
768      add a special version of momentum advection intended to conserve momentum
769      next to a bathymetry step or a coastline edge. (default = off = #undef)
770    o new read/write pickup version:
771      - for now, only implemented for main (mdsio) pickup file.
772      - write out only what is needed to restart; merge pickup_nh , pickup_ph
773        and main pickup together.
774      - read meta file; read only what is needed to restart; stop if a field
775        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
776        if it make sense (even if the restart is not perfect).
777      - if no meta file, assume that pickup to read corresponds exactly to
778        a pickup that would currently be written.
779      - read pickup written in the old format (until checkpoint59i) if it
780        recognizes an old meta file (no field-list).
781      - add a meta file in exp. which starts from a pickup: 2 cases:
782        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
783         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
784        b) a meta file describing the content of the associated pickup file
785         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
786    o pkg/mdsio & pkg/rw:
787      - new routine to read a meta file ; new set of routine to read
788        Multiple-fields file (with meta file).
789    o added open boundary conditions capability for seaice
790        HSNOW, HSALT, UICE, and VICE
791    
792    checkpoint59i
793    o adjoint:
794      * fix multiDimAdvection adjoint
795        (partial recomputation problem by TAF for fVerT(:,:,kDown)
796        and comlev1 size definition (maxpass vs. max. number of tracers)
797      * verification/global_ocean.90x45x15 adjoint now tests
798        NLFS and multiDimAdvection using DST3 (=30)
799      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
800    o pkg/kpp: add "_d 0" to real constant (if missing);
801      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
802      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
803    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
804      for internal parameters related to restart process (formerly from PARAMS.h)
805      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
806    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
807      as argument. (only atm2d & obcs write_pickup have not yet been updated)
808    o pkg/monitor:
809      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
810      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
811      - account for deep Atmosphere factor and density factor (anelastic)
812    o added open boundary conditions capability for seaice HEFF and AREA
813    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
814      thermodynamics
815      - requires a little reorganization, which affects the testreport results
816        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
817        so that now the conservative form is tested
818      - add a few comments
819    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
820    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
821    o add new diagnostics to seaice: advective, diffusive fluxes (only for
822      multidim-advection, for scheme 2 they are not filled) and transports,
823      thermodynamic growth rates
824    o change units of EmPmR (inside the code, + within coupling interface)
825      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
826      Affects results @ truncation level (cg2d match) and update output of
827       experiments: lab_sea(6), global_ocean.90x40x15(10),
828      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
829      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
830      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
831      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
832    
833    checkpoint59h
834    o pkg/exf:
835      - improve vectorization by moving if-statement out of loops in
836        exf_mapfields, exf_radiation
837      - exf_bulkformulae.F: introduce 2D fields and vectorize code
838    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
839    o testreport:
840      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
841        monitor & update offline_exf_seaice exp. output.
842      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
843    o pkg/seaice:
844      - bug fix in the evp solver: boundary conditions were affected be
845        masking of zMax/zMin (changes results)
846      - minor bug fix in boundary conditions in seaice_calc_strainrates
847        (changes results for no_slip)
848      - seaice_lsr.F: make interpolation of eta dependent on boundaries
849      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
850      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
851        stress formulation and no-slip boundary conditions
852    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
853      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
854    o pkg/seaice: a first HSALT time stepping equation has been checked in
855    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
856      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
857      without requiring DO-IF statements
858    o pkg/thsice:
859      use continuous power-law function for partition of energy between lateral
860      melting/freezing and thinning/thickening ; old code using step function
861      still available with #undef THSICE_FRACEN_POWERLAW
862      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
863    o testreport: change AD testing : check against results/output_adm.txt
864      using same scripts as for forward test.
865    
866    checkpoint59g
867    o adjoint testing: in preparation for changing testreport:
868      - output format: cost and grad written on separated lines
869      - ad output results in directory "results" (instead of "results_ad")
870    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
871    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
872    o pkg/ecco: allow user defined cost function contributions
873    o testreport:
874      Allow to choose (per experiment) the list of tested output variables
875       and the main variable (used to issue a pass/FAIL ) ;
876      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
877      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
878      Also modify printing of summary:
879       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
880       b) echo the list of tested variables in the individual summary.txt of
881          each experiment.
882    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
883      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
884      (but still depend on the tile decompostion of the domain).
885    o pkg/seaice: change a discretization detail to make the B-grid code
886      "more symmetric". This change is likely to remove all "ridges/leads" that
887      where quasi-aligned with the grid in B-grid solutions. It may also be
888      the solution to the stress coupling issues with the B-grid.
889    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
890      remove .cvsignore from input dir. (since testreport no longer run here).
891    o pkg/thsice:
892     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
893     - fix reshaping of sea-ice just after advection:
894       melt all the ice only if ice-volume is too small.
895     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
896       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
897     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
898    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
899      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
900    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
901      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
902      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
903      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
904      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
905      -> update output.txt
906    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
907     this affects truncation error: -> update output.txt of exp:
908      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
909      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
910    
911    checkpoint59f
912    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
913    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
914      a bounded range (in forward mode)
915    o pkg/ecco, ctrl, autodiff and mom_common:
916     internal parameter controls, completements of implementations
917    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
918    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
919      (not seem any difference in testing results).
920    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
921       at face corners.
922    o pkg/generic_advdiff:
923     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
924      loop range indices for computing vertical advection tendency
925      and do the calculation in the interior only (no overlap) ;
926      for now, only implemented for SOM advection (to save CPU time).
927     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
928    o exch2 adjoint
929      First set of changes:
930      - add exch2 hand-written adjoint templates
931      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
932        This will require cleanup in pkg/autodiff/*.F
933        (changed routines currently kept separate in verif. code/)
934      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
935        that used to hide exch2 or cubed-sphere specific code
936        (commented via 'cph-exch2')
937    o pkg/seaice
938      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
939    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
940       output of global_ocean.cs32x15.thsice .
941    
942    checkpoint59e
943    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
944      for B-grid vector (not yet tested) and C-grid vector (<- only used
945      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
946    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
947      (#ifdef ALLOW_SALT_PLUME)
948    o gather_2d/scatter_2d: removed halo regions
949    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
950      scheme and the corresponding test case (under front_relax dir). For now,
951      only available with Skew-flux form and not yet tested in realistic set-up.
952      adjoint: store directives updated, but gradient checks deteriorated,
953      so maybe GM/Redi adjoint is now broken.
954    o seaice adjoint
955      * add AREA, HEFF, HSNOW as control variable
956        (should not change lab_sea results)
957      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
958    o pkg/seaice:
959      * added computation of saltFlux in seaice_growth;
960        For time being, sea ice salinity is assumed constant
961        contribution of snow flooding to freshening of sea ice is neglected.
962        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
963        defaults to 0.0 in order to maintain backward compatibility.
964        Typical values for SEAICE_salinity are 4 to 10 g/kg.
965      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
966      * added SEAICE_availHeatFrac, which specifies fraction of surface level
967        heat content used to melt or grow ice
968      * commented out cap of HICE: it helps keep ice thinner
969      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
970      * applied OBCS T/S mask to HEFFM sea ice mask
971    
972    checkpoint59d
973    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
974     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
975     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
976    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
977     and change default value of parameter "GM_Small_Number";
978     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
979       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
980       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
981    o pkg/ecco: cost function when applying pkg/smooth to controls
982    o pkg/ctrl: add forcingPrecond run time parameter
983    o pkg/seaice:
984     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
985     - fix bug in metric terms of u-equation in LSR solver (implicit part),
986       changes verification/lab_sea
987     - rearrange implicit part of u-equation in LSR solver to make it easier to
988       read, understand, and debug. This causes changes at the truncation level.
989     - fix (serious) bug in the boundary conditions (sign error in the implicit
990       part) of the LSR solver. Changes all LSR results.
991     - fixed problem with HSNOW initialization to avoid thick snow when AREA
992       is initilized with small values - does not change lab_sea results.
993     - added HsnowFile initialization capability
994    o pkg/smooth: addition to model/src and pkg/ctrl so allow
995     initialization of pkg/smooth and application to control vector
996    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
997    o dependencies: pkg/profiles requires pkg/cal
998    o pkg/profiles:
999     - added option ALLOW_PROFILES_GENERICGRID
1000         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
1001         that interpolation information (grid points and coefficients) is provided
1002         within the netcdf input files.
1003         -> sample matlab scripts can be found in MITgcm_contrib/gael
1004         that allow you to prepare netcdf input files.
1005     - also modified: cleaner include statements, cleaner error print statements,
1006       cleaner stops when error, and more tests of the netcdf input files consistency.
1007    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
1008    o pkg/seaice:
1009     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
1010       requires a new routine: seaice_diagnostics_fill.F
1011     - make sure that seaice does not move if not forced (pressure replacement
1012       method, Hibler and Ip, 1995), changes results
1013     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
1014     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
1015       It is turned off by default (=-1.), because it changes the results.
1016     - make it possible to read AREA from a file, too.
1017    
1018    checkpoint59c
1019    o add S/R and diagnostics for oceanic mixed-layer depth
1020    o move GMRedi call after all vertical mixing schemes (including KPP)
1021    o pkg/thsice:
1022     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
1023      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
1024    o pkg/obcs:
1025     - bug fix for balance code
1026    o pkg/seaice:
1027      - allow values of SEAICE_elasticParm > 1
1028      - add new parameter SEAICE_evpTauRelax as an alternative
1029        to SEAICE_elasticParm
1030      - make lsr boundary conditions free slip (by default), changes result
1031      - add code for no slip boundary conditions for lsr
1032      - set minimum of zeta to zero (and not 4e8) (changes results)
1033      - add a cap on AREA after advecting AREA if seaice_growth is not called
1034    o change calculation of Visbeck K:
1035      - no longer depend on tapering scheme; instead, compute slope (limited
1036        by GM_maxSlope). this is equivalent to what was comuted before with
1037        clipping or linear tappering.
1038      - fix vertical averaging (wrong by 1/2 level)
1039      - leave the old version (but will not be maintained) within
1040        #ifdef OLD_VISBECK_CALC / #endif
1041      - update output of exp. ideal_2D_oce
1042    o change error catch in calc_r_star to improve vectorization
1043    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
1044      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
1045    o adjoint:
1046      Re-organized adjoint checkpointing according to Matt Mazloff
1047      (but with modifs/completions/cleanups)
1048      Storing is now bundled into large arrays to optimized I/O
1049      (and second step in cleanup of the_main_loop)
1050    
1051    checkpoint59b
1052    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
1053      - export/import (between ocean & coupler) fields needed for ocean DIC.
1054    o pkg/seaice:
1055      - get rid of three more exchanges seaice_calc_viscosities (required
1056        different loop boundaries in seaice_lsr and seaice_ocean_stress)
1057      - bug fix in seaice_ocean_stress (update of lab_sea required)
1058      - reduce loop boundaries to necessary minimum also in seaice_evp
1059      - go back to the old way of computing deltaC/Z as the adjoint likes that
1060        better
1061    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
1062      passive tracer to an Age Tracer) + update output.txt
1063    o pkg/exf:
1064      - implement A-grid / C-grid selection for wind-stress input files.
1065      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
1066      for now, in exf_bulk_largeyeager04.F only :
1067      - change implementation for case where windspeed + 2. components wind-stress
1068        are read-in. AND use rhoConstFresh to convert evap.
1069    o pkg/seaice:
1070      - use correct EXCH_UV for wind-forcing (on A-grid).
1071      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
1072        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
1073    o pkg/exf:
1074      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
1075      EXF_INTERPOLATION:
1076      - merge global_with_exf/code version of exf_interp_read.F
1077        to the main code ;
1078      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
1079        reading the file ; Important: This options needs to be defined to recover
1080        previous code.
1081        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
1082      - no longer loose real*8 precision along the way when using exf_iprec=64.
1083    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
1084      - change discretisation of evp-solver in order to avoid another exchange
1085        (changes lab_sea) and clean up a little
1086      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
1087        help the adjoint (this also changes the results slightly)
1088      - add a few "_d 0" where they had been missing in seaice_evp.F
1089      - cleaning up: remove unused seaice_calc_rhs.F
1090    o pkg/exf: some cleaning-up:
1091      - change various "constants" into runtime parameters
1092      - cleaned-up Large&Yeager04 routine which should eventually
1093        replace exf_bulkformulae.F (changed names of S/R and CPP)
1094        and merged various ALLOW_ATM_WIND options
1095     only used with thsice pkg (in thsice_get_exf.F):
1096      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
1097        which are used when useStabilityFct_overIce=TRUE (= the default)
1098      - change default values of ice & snow emissivity and scale downward LW
1099        by ice & snow emissivity.
1100    o pkg/thsice:
1101     fix few little problems, in thsice_calc_thickn.F:
1102      - growth vertically (and not laterally) if iceFrac == iceMaskMax
1103      - melt only laterally if hIce < hThinIce (as the comments say)
1104      and in thsice_extend.F:
1105      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
1106      - start to form ice as soon as the minimum ice-volume is reachable.
1107     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
1108      and cpl_aim+ocn
1109    o pkg/kpp
1110     - move computation of surface related input fields to KPP into a new
1111       subroutine kpp_forcing_surf.F
1112     - remove wrong (within bi,bj loops) EXCH calls.
1113     - little cleaning (add argument myThid in last position, cvs header ...)
1114     - for now, fix conservation problem by exchanging KPPviscAz (may not
1115       be the best fix)
1116    o pkg/seaice
1117     - check for inconsistent evp parameter/cpp-flag combination
1118     - remove leftover errIO flat for obsolete name list error handling
1119    o OpenAD
1120     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
1121    
1122    checkpoint59a
1123    o pkg/seaice: some parameter clarifications and a little bit of clean up
1124    o pkg/thsice: rename run-time parameters:
1125       himin       -> hIceMin
1126       himin0      -> hThinIce
1127       hihig       -> hThickIce
1128       i0          -> i0swFrac
1129       transCoef   -> bMeltCoef
1130       frac_energy -> fracMelting
1131      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
1132       with default values (for now) that do not change the results.
1133      remove old version of thsice vars advection in pkg/seaice.
1134    o in FFIELDS.h:
1135      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
1136      - make pLoad & sIceLoad always available (but still only used if
1137         ATMOSPHERIC_LOADING is #define).
1138    o pkg/kpp: replaced _KPP_RL with _RL
1139    o bug fixes for vertical diffusivity computations when both KPP and
1140        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
1141        are no longer updating the vertical diffusivity array
1142        (passed as argument) but are (re-) setting those arrays.
1143    o pkg/seaice: fix bug in evp solver, while doing that
1144      - change (improve?) discretization of stress computations for both
1145        cgrid-lsr and evp solver
1146      - add a new routine to compute strain rates
1147      - the above changes lab_sea results
1148      - add no slip conditions for evp solver (off by default), lsr-version
1149        may follow
1150      - fix exchange for shear at Z-points (does not change lab_sea)
1151      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
1152        (to force the user to pick a time step since there is not "safe" way
1153        of choosing it)
1154      - add principal stress diagnostics
1155      - rearrange fields for evp a little to avoid having to call a: too many
1156        exchanges and b: exchanges for stress trensor components which we do
1157        not have.
1158      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
1159        of evp, complete rewrite for lsr case (latter is does not yet work
1160        in all cases)
1161    o pkg/kpp: add code to have mixing in shelf ice caverns
1162      - add myThid to all kpp routines (long overdue)
1163    
1164    checkpoint59
1165    o pkg/exf:
1166      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
1167        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
1168      - move exf header files from lower_case.h to UPPER_CASE.h ;
1169        add missing cvs Header & Name
1170      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
1171      - add namelist param. selectStressGridPosition, exf_monFreq
1172      - retire many _CLIM routines, and remove data.exf_clim
1173        + params moved to data.exf
1174        + climsst, climsss now handled by exf_set_gen, i.e.
1175          climss?period=0 refers to constant field,
1176          climss?period=-12 to monthly forcing
1177      - split up namelists in data.exf
1178    o pkg/seaice:
1179      - remove seaice_exch and seaice_exch_uv
1180      - remove superfluous exchange of theta
1181      - add myThid to seaice_budget_ocean/ice
1182      - add new interface for atmospheric wind forcing (C-grid only)
1183        + new routine
1184        + two new field (taux, tauy for stress over ice)
1185        + removed one global field (DAIRN) for C-grid case only
1186    o pkg/thsise
1187      - 2nd set of modifs for thsice adjoint in conjunction with exf
1188    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
1189    
1190    checkpoint58y_post
1191    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
1192      vertical diffusivity, similar to that in MOM4; turned on using
1193      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
1194      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
1195    o Added capability for 3D specification of background vertical diffusion
1196      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
1197      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
1198      "data" file that contains the 3D vertical diffusivity coefficients.
1199    o ice dynamics (pkg/seaice) with thsice thermodynamics:
1200      - add code within pkg thsice to advect & diffuse sea-ice fields
1201      similar to (and will replace) what has been added in  seaice_advdiff.F,
1202      but: - conserving Mass, Heat & Salt.
1203           - better when using non-linear advection scheme (not yet fully tested)
1204           - can also be used in atmospheric set-up (for now, only the diffusion).
1205    
1206    checkpoint58x_post
1207    o IO option for global-file compact format:
1208      - add options when generating topology (utils/exch2/matlab-topology-generator)
1209      - add I/O capability (pkg/mdsio).
1210      - adapt utils/matlab/rdmds.m to read this format.
1211      for now long-line format not yet supported by pkg/mdsio (& exch2).
1212    o shelfice: add a few diagnostics
1213    
1214    checkpoint58w_post
1215    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
1216      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
1217      (and replace horiVertRatio in NH code).
1218      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
1219                         and tutorial_plume_on_slope (sensitive to truncation)
1220    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
1221      directly to drive seaice model (C-grid only)
1222    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
1223     - reintroduce computation of wind from stress,
1224     - compute tau (in exf_bulkformulae.F) from windstress averaged to
1225       mass points to avoid tau = 0
1226     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
1227    o rdmnc.m: make it work with "global" files created with gluemnc
1228    o rdmnc.m : some improvements in dealing with singleton dimension
1229      (tested on all testreport mnc output files).
1230    o genmake2: disable pkg/profiles if netcdf test fails.
1231    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
1232    o move call to cal_readparms up to make calendar parameters/variable available
1233      to all packages
1234    
1235    checkpoint58v_post
1236    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
1237      useDynP_inEos_Zc tested.
1238    o pkg/exf: changes to properly interpolate/mask/scale initial fields
1239    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
1240      and portions thereof.  See read_cs.txt for description and examples.
1241    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
1242      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
1243      following the great-circle arc between those 2 points.
1244    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
1245      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
1246    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
1247     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
1248     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
1249     - still needs work (not working with some options ; efficiency to improve)
1250       and serious testing.
1251     - use this scheme for temperature & salinity in 2 advection test exp.:
1252       advect_xy & advect_xz, respectively.
1253    
1254    checkpoint58u_post
1255    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
1256    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
1257    o testreport: add option "-skipdir" to skip some test.
1258    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
1259      momentum calculation.
1260    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
1261    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
1262      remove checkpoint.F and the_correction_step.F (no longer used);
1263      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
1264    o add option (linFSConserveTr) to correct for tracer source/sink due to
1265      Linear Free surface
1266    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
1267    o pkg/thsice: fix reading mnc-pickups
1268    
1269    checkpoint58t_post
1270    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
1271    o pkg/mdsio:
1272     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
1273       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
1274       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
1275     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
1276     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
1277       either MDS_READ_FIELD or MDS_WRITE_FIELD )
1278     - new S/R (to replace MDSWRITEMETA), which allows to write more
1279       informations (variable names, time ...) to meta files.
1280     - modify rdmds.m to give back the meta file content.
1281    o pkg/diagnostics: change vertical interpolation to be safer, and more
1282       flexible (define p-levels to interpolate to in data.diagnostics);
1283      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
1284       diagnostic pointer.
1285    o pkg/seaice: more cleaning up of seaice_growth, added many comments
1286    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
1287    o fix multi-category seaice:
1288     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
1289       SEAICE_MULTICATEGORY
1290     - fix short wave heat flux
1291    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
1292       and allow to use EVP solver. Change forward lab_sea: test both EVP
1293       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
1294    o Initial check-in of lab_sea adjoint
1295      (very similar to natl_box_adjoint/code_seaice)
1296      * used C-grid and EVP solver
1297      * used KPP, GM/Redi
1298      * uses inAdExact=.TRUE.
1299      * gradient checks fail for both ADM and TLM
1300        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
1301        f.d. gradients actually seem more problematic than ADM, TLM gradients;
1302        issue is related to forward mismatch between g77 an ifort
1303    o pkg/seaice: overhaul of thermodynamics
1304     - growth.F and groatb.F are replaced by new routine seaice_growth.F
1305     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
1306     - move a few global fields out of SEAICE.h into seaice_growth.F and
1307       make them 2D (FICE/QNETO/ ...)
1308     - remove FO (it is the same as QNETO)
1309     - introduce a few local fields to avoid modifying external fields such
1310       as atemp, etc.
1311    
1312    checkpoint58s_post
1313    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
1314      changed exf_set_gen.F so that
1315        genperiod=0 means input file is one time-constant field and
1316        genperiod=-12 means input file contains 12 monthly means
1317    o CG2D: use pre-computed solver main-diagonal (stored in common block);
1318      this affects truncation error ; generate new output file for exp. which
1319      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
1320        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
1321        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
1322        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
1323        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
1324        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
1325    o start implementation of deep-atmosphere and anelastic formulation
1326    o verification: remove 2nd copy of input files and use script "prepare_run"
1327      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
1328    o mom_common/vecinv/fluxform: fix a few initialisation isssues
1329    o profiles: fix for multithreaded case
1330    
1331    o diagnostics: rename few diags:
1332      s/'PRESSURE'/'RCENTER '/g
1333      s/'TICE    '/'oceFreez'/g
1334      s/'TAUX    '/'oceTAUX '/g
1335      s/'TAUY    '/'oceTAUY '/g
1336      s/'SWFLUX  '/'oceQsw  '/g
1337      s/DIFx/DFxE/g
1338      s/DIFy/DFyE/g
1339      and add few ocean-forcing diagnostics:
1340      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
1341    o modifications to pkg/seaice/growth.F and budget.F, which change results of
1342      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
1343      as actual snow thickness.  It now refers everywhere to effective snow
1344      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
1345    
1346    checkpoint58r_post
1347    o modifications to pkg/seaice/growth.F, which change results of
1348      lab_sea experiment: fixes pertain to melting snow over open water, to
1349      masking EVAP under sea ice, and to using the correct AREA variable for
1350      computations of EVAP, PRECIP, HSNOW, and GHEFF
1351    o add ability to read bathy, salt, and theta using MNC (off by def)
1352    o add flooding algorithm and advection of HSNOW for pkg/seaice;
1353      both are turned off by default and do no change any results
1354    o seaice advection with pkg/thsice: a step toward the use of non-linear
1355      advection scheme, but #ifdef or commented out for now (requires more EXCH).
1356    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
1357      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
1358      in natl_box (affects results @ truncation level: update output.txt)
1359    o multi-threading and IO:
1360      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
1361      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
1362        (needed to work with SingleCpuIO): tested in all verif. exp.
1363    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
1364      affects the results (but none of the verification test uses this scheme).
1365    o Adding some pkg/diagnostics capability to pkg/seaice
1366      (will certainly be subject to changes)
1367    o ctrl: adding new control variables:
1368      lwflux, lwdown, evap, snowprecip, apressure, runoff
1369    
1370    checkpoint58q_post
1371    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
1372      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
1373      high_res_cube configuration by 4% on Columbia.
1374    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
1375      add (in global_with_exf/code) a version of EXF_INTERP_READ without
1376      dynamical allocation (seems to work in multi-threaded).
1377    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
1378      single CPU io) so that TAF does not have to see EESUPPORT.h
1379    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
1380    
1381    checkpoint58p_post
1382    o obcs: stop if obcs is used with useCDscheme = .true.
1383    o shelfice:
1384     - fix a sign error so that no slip at shelfice interface works
1385     - remove stop for combination non-hydrostatic code and shelfice. That does
1386       not mean, that the results are correct, but at least they are numerically
1387       stable
1388    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
1389    o added adjoint exch routined for all exch*3d* routines
1390      and updated flow directives
1391    
1392    checkpoint58o_post
1393    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
1394      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
1395    o change controling S/R for writing pickup file (new S/R do_write_pickup)
1396      and clean-up reading/writing of pickup files.
1397    o fix local version of read/write pickup (NH part) in rotating_tank/code
1398    o simplify EXCH interface:
1399     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
1400     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
1401    o added the regrid package
1402    o shelfice:
1403     - add a simple boundary layer scheme to reduce noise
1404     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
1405    
1406    checkpoint58n_post
1407    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
1408       local variable (not in common block).
1409    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
1410      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
1411      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
1412        to work with SingleCpuIO.
1413    o add "_d 0" to real constant of pkg/cfc subroutines ;
1414       update exp. cfc_exemple & tutorial_cfc_offline output files.
1415    o multi-threading and IO:
1416      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
1417        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
1418      - barrier before and after reading.
1419      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
1420      - avoid using MDS_WRITELOCAL for LAND pkg output.
1421      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
1422        common-block variables ; Allows multi-threading with master-thread IO.
1423    o change default MAX_NO_THREADS from 32 to 4 ;
1424      and stop cleanly when MAX_NO_THREADS is too small.
1425    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
1426    
1427    checkpoint58m_post
1428    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
1429       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
1430    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
1431       keep global_ocean.90x40x15 (for AD testing) with former secondary test
1432       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
1433    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
1434        add MITgcm_tutorials (= code + all the tutorials)
1435    o ecco, option to compute cost for total ssh (mean+anom)
1436    o consistent with addition of ptracer and ssh in pkg/profiles
1437    o profiles: adding ptracer and ssh
1438    o testreport: change multi-test output-file name
1439      (from output.txt.{name} to output.{name}.txt)
1440    o profiles: now ok for mutli-tiles case
1441    o seaice: add 4 parameters for different advection schemes for area,
1442      (effective) seaice thickness, enthalphy, and snow height. Their default
1443      is the standard parameter SEAICEadvScheme
1444    o calc_gw:
1445     - add cosFacU in zonal viscous flux (harmonic.visc.).
1446     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
1447       of tutorial_plume_on_slope.
1448    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
1449    o calc_gw: true flux-form, account for horizontal grid spacing.
1450      update rotating_tank results, but not plume_on_slope (affected at
1451      truncation level, 11 digits).
1452    
1453    checkpoint58l_post
1454    o calc_gw:
1455     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
1456     - remove side-drag for now (need to fix it); update plume_on_slope results.
1457     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
1458    o commit code to make SST/SSS weights spatially variable
1459      (based on either variable in-situ or variable initial T/S weights)
1460    o pkg/ecco:
1461      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
1462        now based on horizontally varying weights wthetaLev, wsaltLev
1463      * cost_averagesflags now returns year indices in addition to day, month
1464      * sflux balance is performed on annual basis
1465        (sflxumm, sfluxmm2, bal_sfluxmm)
1466      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
1467        including separate counting and multipliers
1468    o pkg/rbcs
1469      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
1470    
1471    checkpoint58k_post
1472    o testreport:
1473     - always build in dir. "build" (if not there, mkdir build instead of building
1474       & running in input)
1475     - run in dir run (if it exists), in build otherwise.
1476     - call prepare_run (if input/prepare_run exists)
1477     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
1478    o pkg/exf modifications to interpolation and rotation routines for more
1479       reasonable treatment of North Pole singularity: for tracers North Pole
1480       value is set to northernmost zonal-mean value, for zonal velocity it is
1481       set to zero, and for meridional velocity it is set to northernmost value.
1482    o pkg/exf/exf_check_range.F
1483     - add tile index to diagnostics and move stop statement to the very
1484       end of the routine.
1485    o pkg/diagnostics: (diagnostics_main_init.F)
1486      define title of isomorphic variables according to the current config.
1487    o pkg/thsice with pkg/seaice dynamics:
1488    - fix domain of computation (interior only, required for exf) and do exchanges
1489    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
1490    o towards a standard way of dealing with multi-threading in MONITOR
1491      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
1492    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
1493       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
1494    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
1495    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
1496    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
1497       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
1498    o tracer advection:
1499     - clean-up and simplify calc_common_factors.F
1500     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
1501       advection subroutine (but still not used within DST advection S/R)
1502    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
1503    
1504    checkpoint58j_post
1505    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
1506      from file (collects calls previously in FORWARD_STEP)
1507    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
1508    o adjoint store dir. adjusted accordingly
1509    o genmake2
1510      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
1511    
1512    checkpoint58i_post
1513    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
1514      on wind stress (SEAICEstressFactor defaults to 1.)
1515    o Total number of Timers is finite (<=40): comment out 2 non-essential one
1516      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
1517    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
1518      on CS-grid: no longer loosing mass.
1519    o exf & curvilinear-grid: no longer modify longitude xC & xG.
1520    o pkg/ggl90: fix sloppy output and fix a bug
1521    o pkg/seaice: added SEAICEuseEVPpickup parameter
1522      - Set to false in order to start EVP solver with
1523        non-EVP pickup files when using SEAICEuseEVP
1524      - fix sign error in diffusion in seaice_calc_rhs
1525    
1526    checkpoint58h_post
1527    * Modifications for bottom topography control
1528      o replace hFacC by _hFacC at various places
1529      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
1530      o add non-self-adjoint cg2d_nsa
1531      o update autodiff support routines
1532      o re-initialise hfac after ctrl_depth_ini
1533      o works for 5x5 box, doesnt work for global_ocean.90x40x15
1534    * Adding verification for 5x5 box (4-layer) bottom topography control
1535    
1536    checkpoint58g_post
1537    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
1538       used for mean seasonal cycle, mean diurnal cycle); add an example
1539       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
1540    o pkg/ggl90:
1541      - add parameter (minimum surface kinetic energy)
1542      - fix bug (avoiding division by zero)
1543    o couple pkg/thsice to pkg/seaice:
1544      - modify advection in seaice to accomodate new scalar fields to be advected
1545      - only muliDimAdection scheme work with seaice/thsice
1546      - mapping of thsice-variables to seaice-variables, back and forth
1547      - does not break the verification experiments, but does not give the
1548        desired results either
1549    o pkg/seaice
1550      - make (default) second order advection a bit less confusing?
1551    
1552    checkpoint58f_post
1553    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
1554      to pkg/seaice):
1555      - new routines thsice_map_exf and thsice_get_exf provide the interface
1556      - add an additional formal parameter to thsice_solve4temp
1557    o pkg/exf:
1558      - add new fields wspeed, snowprecip (to be able to couple to thsice)
1559      - correct Stefan-Boltzmann constant
1560      - new parameter for longwave surface emittance
1561      - separate some stuff from exf_bulkformulae into new routines  
1562        exf_radiation, exf_wind
1563      - add new parameters and constants: longwave emissivity for ocean, ice
1564        and snow, evaporation parameters over ice
1565      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
1566        either wind from stress or stress from wind
1567    o pkg/thSIce:
1568    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
1569    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
1570       and THSICE_CALC_THICKN
1571    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
1572    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
1573      to make debugging easier.
1574    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
1575    o pkg/bulk_force:
1576      - clean-up comments and parameters ;
1577      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
1578    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
1579      generate new output for test-experiment: aim.5l_cs.thSI
1580    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
1581      testreport accordingly
1582    
1583    checkpoint58e_post
1584    o SEAICE_CGRID adjoint done
1585    o R_STAR adjoint implemented.
1586      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
1587      * need to sort out init. of h0facc, etc.
1588    o Make pkg/profile fully independent of ecco,cost, etc. stuff
1589      to be able to use it in pure forward.
1590    
1591    checkpoint58d_post
1592    o upgrade simple test-experiment to tutorial example:
1593     step.1: duplicate the experiment and (step.2) will remove the old copy.
1594      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
1595      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
1596      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
1597      tutorial_global_oce_biogeo    <- copy of dic_example
1598      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
1599      tutorial_plume_on_slope       <- copy of plume_on_slope
1600      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
1601      tutorial_global_oce_optim     <- empty for now (David ?)
1602      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
1603     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
1604    o correct a sign problem in cost_scat.F
1605    o obcs and ptracers: fix boundary conditions for advections schemes
1606      with larger stencil
1607    o thsice adjoint: start
1608    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
1609      completeness
1610    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
1611      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
1612    o ptracers adjoint:
1613      * avoid extensive recomputatations
1614      * fix missing re-init. of gptr (missed by TAF)
1615    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
1616      me to turn off the excessive output to STDOUT that this package produces
1617    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
1618      and add those terms in Vector-Invariant formulation.
1619    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
1620      if the control period (xx_hfluxperiod etc) is 0
1621    o in profiles pkg, clean routines and fix details
1622    o in ecco pkg, reading ssh data:
1623      fix problem in case the model does not start at iter0=0
1624    o fix mnc-pickup/restart for ptracers
1625    o new package prifiles:
1626      code to compute profile-based cost by Gael Forget
1627      (modifs in ecco, ctrl, autodiff)
1628    o Benign bug fix in initialization (spotted by M. Mazloff) of
1629      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
1630    
1631    checkpoint58c_post
1632    o adjoint: finish NLFS adjoint and provide reference output in
1633      verification/global_ocean.90x40x15/results_ad_nlfs
1634    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
1635      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
1636      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
1637      with SEAICE_CGRID defined.
1638    o move calendarDumps from "data" to "data.cal" and clean-up the code
1639      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
1640    o add useEXF & useCAL flags (for now, set in hard-coded way)
1641    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
1642      (were missing in NH mode, and wrong in quasihydrostatic mode).
1643      waiting for Chris updated version of calc_gw to add those CALLs.
1644    o fix bug in quasihydrostatic S/R ;
1645      add a test for this option: global_ocean.90x40x15.qshyd
1646    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
1647      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
1648    o add on/off flag useOffLine for package OFFLINE
1649    o seaice:
1650      - modify advection so that it works also on the C-grid
1651      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
1652        problem in multi-tile runs with C-grid
1653      - add flags for clipping ice velocities and/or masking solver forcing
1654      - fix drag (ocean on ice) formulation and a bug that caused noise in the
1655        C-grid solver
1656      - added a few comments to seaice_diffusion.F
1657      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
1658        are now exclusive)
1659      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
1660        required re-ordering the code a little:
1661       + make DAIRN global variable (defined in SEAICE)
1662       + move computation of the viscosities eta and zeta into a new separate
1663         routine (because I need to recompute them in seaice_ocean_stress.F)
1664    
1665    checkpoint58b_post
1666    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
1667      update output.txt of exp. aim.5l_cs.thSI
1668    o various mnc cleanups and improvements:
1669      + shrink lookup tables by factor of ~4
1670      + better error reporting when running out of lookup space
1671      + able to handle longer path/file names (up to 500 chars)
1672    o adjoint:
1673      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
1674      - TBD: "hidden" mom_vecinv recomp. in dynamics
1675    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
1676     (allow to differentiate between forcing components using new integer flags:
1677      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
1678     and add new flag to put Dissipation tendency out of Adams-Bashforth.
1679    o ecco
1680      - enable trend removal from SSH anomaly obs.
1681    o adjoint
1682      - a fix for PmEpR when #undef EXACT_CONSERV
1683      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
1684      - try to fix "hidden" recomp. in forward_step for NLFS
1685        (NLFS seems broken sometimes after I checked it in)
1686    o seaice:
1687     - add c-grid version of the dynamic solver:
1688       + three new routines that are the c-grid substitute lsr, dynsolver
1689         and ostres
1690       + put a few fields that were local to dynsolver into global common
1691         blocks, so that I can move the computation of stresses etc into
1692         seaice_lsr (saves coding but may break the adjoint).
1693     - replace more hardwired parameters by runtime parameters
1694     - add ice masks that mask the rhs of the implicit solvers where there
1695       is no ice (commented out in seaice_dynsolver, because i am not sure
1696       if this works properly), eventually this should replace the clipping
1697       of ice velocities in seaice_dynsolver to +/-40cm/s.
1698    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
1699      include it only where its needed
1700    o move balancing of fluxes before the call of external_forcing_surf
1701    o seaice:
1702      - correct units of turning angles (now they are really in degrees)
1703      - move computation of GWATX/Y out of main routine into dynsolver
1704      - initialize GWATX/Y in seaice_init
1705    o Apply mask on Fresh-Water flux (needed for SSH forcing).
1706      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
1707    o seaice: add runtime flags for turning angles (default to zero)
1708    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
1709      and trend from exf forcing and ctrl control adjustments
1710    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
1711      (since checkpoint57x_post)
1712    o change the default rotation period to 86164.s = the Earth rotation
1713    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
1714      and based on a reference stratification. Tested within hs94.cs-32x32x5.
1715    o seaice advection: add code for choosing between the default (2nd order
1716      central differences) and multiDim advection schemes provided by
1717      pkg/generic_advdiff
1718    o seaice:
1719      - removed all references to SEAICE_GRID.h fields from
1720        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
1721        (cubed-sphere configuration will change a little)
1722      - grid computations in seaice_init are obsolete now.
1723      - cleaned up code a little so that is easier to read (hopefully).
1724      - added new (better?) discretizations of default advection and diffusion
1725        (turn on with SEAICEuseFluxForm)
1726      - replace 1 in 3d global fields by kSurface in growth.F
1727      
1728    checkpoint58a_post
1729    o seaice:
1730      - bug fix in advect.F
1731    o shelfice:
1732      - separate shelfice load anomaly from pload (breaks with time
1733        dependent forcing), => introduce constant field shelficeLoadAnomaly.
1734        Its default is 0., but it may be computed more cleverly from (unknown)
1735        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
1736        done offline. A good approximation of the pressure load anomaly is
1737        necessary to avoid large initial adjustment processes underneath
1738        deep-reaching shelfice.
1739      - small fix in ISOMIP shelfice_thermodynamics
1740      - add more sophisticated thermodynamics of Hellmer (1989), this is
1741        now the default
1742      - give a few constants more intuitive names
1743    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
1744      if bulk formulae are used in long integration (especially EmPmR). Turn
1745      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
1746      if balancePrintMean, the imbalance that is substracted is printed to
1747      STDOUT.
1748    o fix bug (typo) in obcs_apply_eta.F
1749    o add a new package shelfice which enables us to model the circulation
1750      underneath shelf-ice with draughts of hundreds of meters.
1751     - works
1752     - to do: + include improved thermodynamics
1753              + check whether kSurfC (from model/inc/SURFACE.h) can be used
1754                instead of new field kTopC
1755              + can we use topoFile, Ro_surf and existing code in ini_depth.F
1756                instead of new field R_shelfIce and new code in ini_depth.F
1757                and ini_mask_etc.F?
1758              + adjust vertical mixing schemes?
1759    o seaice pkg:
1760     - add a cpp-flag to include a simple formula for a salinity dependent
1761       freezing point of sea water at the surface
1762     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
1763       meridional stresses are now different (and hopefully correct)
1764    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
1765       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
1766       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
1767    o pkg/diagnostics: add options and parameters for regional-statistics
1768       diagnostics ; define regions by reading a region-mask from a file
1769       (might add other options later)
1770    o pkg/bulk_force:
1771     - add option and parameters to use AIM surface-flux formulae.
1772     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
1773       others forcing fields (defined in PARM05, parameter file "data") are loaded
1774       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
1775     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
1776     - use the right EXCH call for uwind,vwind (to work on CS-grid).
1777     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
1778       and parameters (note: calcWindStress replaces .NOT.readwindstress).
1779     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
1780    
1781    checkpoint58
1782    o add "--embed-source" option to genmake2 which, when the supporting
1783      tools can be compiled (as determined by genmake2) will turn on the
1784      embed_files package which then embeds the entire MITgcm source code
1785      (*.[fFhc] + Makefile) used for the build within the executable
1786      - requested by CNH but off by default
1787      - adds a paltry <9MB to the mitgcmuv executable in most cases
1788      - only writes the output when useEMBEDSRC in eedata is true
1789    o clean up 3-dim. relaxation codes:
1790      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
1791      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
1792      * Thanks to Tom Haine for testing!
1793    
1794    checkpoint57z_post
1795    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
1796      affects output (@ truncation level) of exp. plume_on_slope ; updated.
1797    o fix the pickup behavior for obcs in combination with ptracers
1798    o fix a bug in ptracers_external_fields_load
1799    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
1800      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
1801    o transfered surface NH pressure to eta field (if exactConserv).
1802    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
1803         and update lab_sea output.txt file.
1804    o completing 3-dim. relaxation code: additional term
1805         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
1806      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
1807      * At compile time, in "EXF_OPTIONS.h" set
1808          #define  ALLOW_CLIMTEMP_RELAXATION
1809          #define  ALLOW_CLIMSALT_RELAXATION
1810      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
1811          tauThetaClimRelax3Dim = 15552000.0,
1812          tauSaltClimRelax3Dim  = 15552000.0,
1813      * 3 cases:
1814          1) Use a constant-in-time 3-dim. field
1815          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
1816          3) Real-time relax. to time-evolving prescribed field
1817    o Adding Laplacian-type smoothness constraint on
1818      initial and boundary (forcing) controls (ic, bc)
1819      * enable at compile-time via
1820        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
1821      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
1822      * Absolute scale somewhat unclear so far
1823      * no area weighting was included since no other cost term does so far
1824    
1825    checkpoint57y_post
1826    First step for a NLFS adjoint
1827    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
1828    o new init. routines for calc_r_star, calc_surf_dr
1829    o still need to deal with ini_masks_etc
1830    o testreport seemed happy
1831    checkpoint57y_pre
1832    
1833    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
1834    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
1835    o add new offset feature to offline pkg (plus minor cleanup)
1836    o cfc fixes for final year of integration
1837    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
1838      be in GCHEM_OPTIONS).
1839    
1840    checkpoint57x_post
1841    o fix testreport Pb in multiple test experiment.
1842    o cleanup our namelist syntax in verification:
1843      - make it more F95 standards compliant (some work still needed)
1844      - allows the vast majority of our tests to work with gfortran
1845    o Non-Hydrostatic:
1846     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
1847     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
1848    o Allow to apply AB on T,S rather than on AB(gT,gS):
1849     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
1850     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
1851       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
1852     - need a "clever" read_pickup to restart from the other AB formulation
1853    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
1854    o remove some unused variables (reduces number of compiler warnings)
1855    o adjoint
1856      * Disable useVariableViscosity for adjoint for time being
1857        (there are a number of extensive recomputations)
1858      * Initialize certain variables needed for adjoint
1859    
1860    checkpoint57w_post
1861    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
1862                 fix the singleCpuIO RS version of MDSWRITEFIELD
1863       and add a WARNING if using globalFiles=T with multi-processors.
1864    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
1865      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
1866    o tracer advection scheme:
1867      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
1868       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
1869       was not very convenient).
1870      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
1871       (further tests needed for the implicit DST & Flux-Limiter schemes).
1872    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
1873      and sRef for convenience, handy, when you want to initialize
1874      ptracers in a large domain with a constant non-zero value. Also,
1875      untangle ptracers_init.F a little.
1876    
1877    checkpoint57v_post
1878    o change dome exp. to use variable viscosity in side-drag terms.
1879    o remove all the files from the cfc_offline test since they are now
1880      incorporated into tutorial_cfc_offline which has been producing
1881      identical results for a few days of testing
1882    o add new parameter: sideDragFactor to enable half-slip-side BC
1883      and change side-drag S/R to use viscosity from mom_calc_visc
1884      (can switch back by setting sideDragFactor=0.); affects results at
1885      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
1886       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
1887    o vorticity & strain are now computed without masking, to account for
1888      no-slip-side BC in variable viscosity calculation ; mask is applied
1889      anyway later on, before computing advection/coriolis terms.
1890    o modify exp4 to test new obcs support for reading from external files
1891      and for passive tracers
1892    o fix behavior of ptracers_monitor when monitor output is written to a
1893      netcdf-file; still not independent of monitor.F (writes in the same
1894      file).
1895    o change default value of tRef (put a uniform, meaningful value for ocean
1896      & atmos) and initialize sRef (was missing, as Martin mentioned).
1897    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
1898      to be proportional to enstrophy dissipation length.  Thus,
1899       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
1900      This is now consistent with Smagorinsky and with the manual.
1901    
1902    checkpoint57u_post
1903    o OBCS and PTRACERS: add open boundary support for passive tracers
1904      - either use homogenous (pseudo) v.Neumann conditions or prescribe
1905        OB-values from file; this is not different from the way theta and salinity
1906        are treated
1907      - however, Orlanski-radiation conditions are not supported, and the model
1908        will stop if you use pTracers and Orlanski at the same time.
1909      - beefed up the rountine obcs_external_fields_load: now only those open
1910        boundary values are overwritten with values from files for which there
1911        are really files, otherwise the OB-fields remain untouched. This makes
1912        it possible to use different OBs at different ends of the domain (as
1913        with EXF)
1914    o reduce number of exch calls in shap_filt (s2).
1915    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
1916      truncation level) 4/5 MLAdjust test results (11&12 digits match).
1917    
1918    checkpoint57t_post
1919    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
1920    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
1921      same truncation, independent of the face number: affects affects several
1922      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
1923    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
1924      note that biharmonic viscosity + no-slip was not tested in any experiment.
1925    o fix bug in non-linear free-surf side-drag ; generate new output for
1926      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
1927    o make mnc honor the writeBinaryPrec flag for most kinds of output
1928    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
1929    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
1930      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
1931    o add brackets in multi-terms sum to get same truncation, independent of
1932      the face number (manage to get exactly same value of gU,gV at the cs-edge)
1933      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
1934    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
1935      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
1936      a maximum grid-scale Reynolds number.  Also, changes all length calculations
1937      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
1938      Suggested values of viscosity parameters found in mom_calc_visc.
1939      Many new viscosity diagnostics available.
1940    
1941    checkpoint57s_post
1942    o Add clearing-house for viscosity calculations, mom_calc_visc and
1943      correct numerous bugs in LeithD and Smagorinsky discretizations.  
1944      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
1945      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
1946      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
1947      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
1948      The Strain-Tension form is now called with useStrainTensonVisc=.true.
1949      ViscAhStrain and viscAhTension are now retired.
1950    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
1951    o In response to JMC's bug report, genmake2 now ignores any soft-links
1952      that it finds in the *current* directory when searching for files.
1953      Soft-links found in any other source directories will still work as
1954      they did before.
1955    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
1956      a C routine to unlimit the stack size
1957    o mnc-ify pkg/aim snapshot vars
1958    o mnc-ify pkg/land as requested by Daniel
1959    o various changes to mnc including:
1960      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
1961      - output can now be grouped so that all files within a group
1962          change the ITER portion of their names in lock-step together
1963      - can now read ("global") PER-FACE (in addition to PER-TILE) files
1964          and works with both EXCH1 and EXCH2 (but needs more testing)
1965      - writing works for all verification test cases w/ g77 on Linux
1966    
1967    checkpoint57r_post
1968    o make MNC variable initialization happen earlier
1969    o add diagnostics for (almost) each term of the momentum Eq.
1970    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
1971    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
1972    o remove MINIMAL_TAVE_OUTPUT option ;
1973      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
1974    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
1975      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
1976    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
1977    o add time-dependent SST, SSS control
1978    o cost terms in ecco/ modularized (new cost_generic.F)
1979    o cost_averages routines are modularized (new cost_averagesgeneric.F)
1980    o new infrastructure for seaice model vs. obs misfits in seaice/
1981      * driver from the_main_loop.F is seaice_cost_driver.F
1982      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
1983      * gradient check in Exp. 6a of natl_box_adjoint/
1984    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
1985      (see README file)
1986    
1987    checkpoint57q_post
1988    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
1989    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
1990      - bug was reported by Jean-Michel and Ian Fenty
1991    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
1992      update exp. cpl_aim+ocn output.
1993    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
1994      Needed for high-res. runs with large global files
1995      to be able to limit tapelev size
1996    o Changed some tests for adjoint:
1997      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
1998      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
1999      * global_ocean.90x40x15/ back to default 3-level checkpointing
2000    o Modifications to enable scripted COMMON to MODULE conversion
2001      * verification/OpenAD/code/ has necessary scripts and description;
2002      * converts, compiles and runs successfully;
2003    
2004    checkpoint57p_post
2005    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
2006    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
2007      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
2008    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
2009    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
2010      (was already the case for dissipation with mom_vecinv,
2011       and also the case for grad.PhiHyd when staggered-timeStep)
2012      This will allow to put dissipation out-off the AB time-stepping.
2013     Unfortunately, affects truncation error. Update output of exp. that "fails"
2014      (cg2d matching number) and leave the others for later: front_relax(10),
2015      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
2016      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
2017    
2018    checkpoint57o_post
2019    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
2020      (2) its ready to be documented during the 20050801 DocFest
2021    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
2022      for ideal_2D_oce and lab_sea on linux_ia32_g77
2023    o set to #undef CTRL_SET_OLD_MAXCVARS_30
2024      in global1x1_tot/code_seaice_adj to access indices 32, 33
2025      (worth another tag)
2026    
2027    checkpoint57n_post
2028    o adding precip control xx_precip 32
2029    o adding swflux control xx_swflux 33
2030    o Replacing 10 forcing penalty cost routines by 1 generic.
2031    o Implementing partitioning in time-mean and variable adjustment
2032      for atmos. state.
2033    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
2034  o in natl_box_adjoint:  o in natl_box_adjoint:
2035    * updated: results_bulk/    * updated exp 1 to 10
2036    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
2037    o updated global1x1/*_seaice_adj/
2038      to incorporate latest changes
2039    o enable useSingleCpuIO for mdsio vector routines
2040      (applies in particular to tapelev I/O)
2041    o removed inefficient K-loop in all active_file*control*.F
2042    
2043  checkpoint57m_post  checkpoint57m_post
2044  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
# Line 591  o add two new packages Line 2621  o add two new packages
2621    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2622    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2623      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2624      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2625  o add offline package  o add offline package
2626  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2627    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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