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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.1122 by mlosch, Thu Jun 11 09:04:13 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 pkg/seaice: make the (placeholder-)tracer IceAge a little more meaningful
8  o moved ptracer ctrl index 17 -> 32    by avoiding ridging of age due to convergent ice flow
9    
10    checkpoint61p
11    o eesupp (global_max & global_sum):
12     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
13     - remove starting & endding barrier (no longer needed)
14    o pkg/mdsio, writelocal:
15       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
16       (remove the STOP): uses shared buffer IO to store data from all threads
17       and then let master-thread write nThreads tiles.
18    o pkg/mdsio (read/write field):
19     - tiled IO done in 1 piece (all levels at a time);
20     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
21     - multi-threaded: allow to read/write local (non-shared) array
22       (was already working with singleCpuIO ; now works also without);
23       => no longer needs barrier call after reading a file (added inside
24       mds_read/write field).
25     - move barrier calls outside gather/scatter_2d to mds_read/write_field
26    o pkg/obcs/exf
27      - exf_getffieldrec.F: add a few ". _d 0" and
28                            add code to catch the case fldperiod = 0.  
29      - obcs_precribe_read.F: change if statements so that they match
30                              the variable type (_RL)
31      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
32        exf_iprec) as part of namelist EXF_NML_01
33    o pkg/mdsio:
34      - read/write tiled (local) files: read/write 1-level tile chunk at a time
35        (instead of segment of length sNx); expected to speed up tiled IO.
36    o pkg/exch2:
37      - take buffer copy from/to array out of S/R exch2_send/recv into new
38        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
39        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
40      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
41      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
42        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
43        including Topology header file (and common blocks).
44      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
45        remove 2nd exch call in exch2_s3d_rx (no longer needed).
46      - document S/R arg. list (+ update some comments)
47    o pkg/seaice:
48      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
49        temperature and humidity over sea ice based on climatological values.
50      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
51        of LSR (this change is expected to change the results slightly because now
52        it uses slightly difference moduli from the second last LSR solution, but
53        that is more consistent with the stress computations; this part of the code
54        is not tested in the verification experiments)
55      - fix diagnostics for flux of ice in case of B-grid
56      - turn strain rates eij and press into global fields within global
57        common block in SEAICE.h for more straighforward diagnostics
58      - fix diagnostics for principal stress components, press, zeta, eta
59        to give something meaning full
60    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
61      new output (all 4 tests) using default rotationPeriod.
62    o pkg KPP:
63      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
64      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
65        and normal grid from 1 to Nr)
66    o Fix computations of L4rdt in mom_calc_visc.F
67    o eesupp:
68      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
69      should be called before a "stop" if we know that all process are going
70      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
71    
72    checkpoint61o
73    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
74    o model/src/ini_curvilinear_grid.F:
75       compute angleSin/CosC when they are not read from a file
76    o pkg/seaice:
77       add pseudo time stepping for LSOR
78    o pkg/exch2:
79       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
80    o pkg/seaice:
81       Adding separate sea ice albedo, drag coefficients, and HO in Southern
82       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
83    o SingleCpuIO:
84       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
85    o pkg/seaice:
86       put exchanged variable in (local) common block for MPI+Multi-Threads
87       to work (necessary with exch1, and for now with exch2 too).
88    o verification: to get more experiments tested with mpi, mth and mpi+mth,
89      change tiling of:
90       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
91       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
92      update output of exp:
93       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
94       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
95      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
96                       (note: output.txt generated on faulks using only 1 tile)
97    o eesupp & mdsio (SingleCpuIO):
98     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
99       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
100       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
101     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
102     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
103       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
104    o pkg/exch2:
105     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
106       read parameter file "data.exch2" if it exists; otherwise try default regular
107       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
108     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
109       with new code (not to be used, just as a backup solution).
110     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
111       in utils/exch2/input.
112    
113    checkpoint61n
114    o eesupp & mdsio (SingleCpuIO):
115      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
116        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
117        receive real*4 array (instead of real*8) to read/write 32.bit files.
118        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
119         and remove new mapping S/R)
120    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
121      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
122        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
123        when using exch2. Add S/R to map global io-buffer to global model array.
124      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
125    
126    checkpoint61m
127    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
128      and add 3 other S/R for other types (R4,R8,RS).
129      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
130    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
131     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
132     - reduce number of macro definitions (keep only those which are used);
133       can always call directly the corrresponding S/R if needed.
134     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
135       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
136     Fixed wrong type of arg in:
137       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
138       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
139     To fix: global_sum of var in common block is wrong (multi-threaded) in:
140       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
141     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
142    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
143      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
144    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
145    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
146      edges are closed (zero depth); might happen with "blank tiles";
147      for now, disabled if using OBCS.
148    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
149      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
150    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
151      to reduce length of 1.D array print in STDOUT.
152    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
153      + use 48 tiles (16x8): this will allow to test "blank tiles".
154    o start to test MPI + multi-threaded (change testreport to skip tests
155      where number of tiles do not match).
156    o genmake2: add option "-omp" to turn on Open-MP ;
157      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
158    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
159      and keep the original tile numbering. Note: compatible with old
160      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
161    
162    checkpoint61l
163    o Overlaps had been forgotten in calculating ijk keys : fixed
164    o fix cyrus makedepend for gcc 4.4
165    o experiment fizhi-cs-aqualev20:
166      switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
167      and generate new output. Note: new output is much closer to the old
168      one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
169      the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
170    o pkg/fizhi:
171     - change to avoid indices going deliberately over array-bounds
172     - remove unnecessary MPI stuff
173     - perpetual spring equinox with "#define FIZHI_USE_FIXED_DAY"
174     - new version of S/R GETPWHERE available with #define TRY_NEW_GETPWHERE:
175       does not go over array-bounds and therefore returns reliable output.
176     - in fizhi_driver.F & fizhi_turb.F, fix "get_alarm" calls:
177       this S/R has 4 output arguments, which are used inside "get_alarm";
178       when it is called with the same variable "ndum" in place of several
179       output arguments, this produces weird side effect inside "get_alarm"
180      (e.g., datein=dates(n) is overwritten by timein=times(n) since both
181       datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
182       address) and produces error.
183    o tools/gemake2: (March 27-29 2009)
184      with option "-mpi": link *_mpi files from "MODS" dir (this is what
185      testreport does).
186    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
187    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
188       update lab_sea.lsr & lab_sea.salt_plume results
189    o pkg/seaice:
190      Major overhaul of the LSOR solver: change discretization from original
191      finite differences to finite volume. The old routine is still in the
192      file seaice_lsr.F and can be turned on with the CPP-flag
193      SEAICE_OLD_AND_BAD_DISCRETIZATION
194      Along with this change, the discretization of the strain rates is changed.
195      The same flag turns on the old discretization in seaice_calc_strainrates.F
196      All verification experiments with seaice are affected (except for
197      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
198      results by setting the above flag.
199      Further changes involve changes in defaults:
200      - ALLOW_FLOODING is defined and turned on by default
201      - SEAICEadvSnow = .true. is now the default
202      - SEAICEadvSalt = .true. is now the default
203      - SEAICEadvAge  = .true. is now the default
204      - SEAICE_clipVelocities  = .false. is now the default
205                                         (as per J. Zhang's recommendation)
206      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
207        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
208      - seaice_growth: replace computation of UG by a simple copy from wspeed
209    
210    checkpoint61k
211    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
212      seaice_lsr: fixed a few metric terms,
213                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
214                  add more debugging diagnostics
215      seaice_evp: removed superfluous many metric terms of FV discretization
216                  of stress divergence
217                  affects lab_sea, lab_sea.hb87
218      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
219                  of stress divergence for non-evp solver
220                  (this part is not tested anywhere)
221      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
222                  they were effectively only half slip
223                  affects lab_sea.hb87
224      updated all relevant verification experiments (except lab_sea//output_adm.txt
225        which was left over, but fails at level 7 & 6)
226    
227    checkpoint61j
228    o pkg/seaice: turn a few hard wired parameters into run time parameters
229    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
230      time in seconds as promised by the usints in seaice_monitor and exf_monitor
231    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
232      that are not cubed-sphere grids
233    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
234    o pkg/ctrl:
235      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
236    o non-hydrostatic (calc_gw.F):
237      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
238      update output of exp. global_ocean.cs32x15.viscA4
239    o remove backward compatibility for thetaMin,phiMin
240      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
241    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
242      interpolated wind field not only for curvilineargrid=.true., but also
243      for a rotated grid (rotateGrid=.true.)
244    o pkg/exf: add capability to bypass interpolation for runoff
245      by setting yet another CPP-flag
246    o eesupp/src, B-grid exchange:
247      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
248    o autodiff
249      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
250      allows to switch to single-prec common blocks;
251      corresponding switch occurs in tamc.h, integer isbyte
252      TAF store directivs "byte" and "kind" seem equivalent;
253      Most tamc.h have been updated correspondingly.
254    
255    checkpoint61i
256    o autodiff:
257      fix autodiff_sore/_restore indices for obcs
258      (spotted by I. Hoteit, M. Mazloff)
259    o pkg/autodiff, pkg/ctrl:
260      Add flag to reduce all tapelev I/O to single-prec.
261      In data.ctrl set
262        doSinglePrecTapelev = .TRUE.
263    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
264      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
265    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
266      real fresh water flux (not yet)
267    o pkg/mdsio & rw:
268     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
269     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
270    o pkg/flt:
271     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
272       init_fixed & ini_varia.
273     - clean-up & simplify linear interpolation S/R:
274       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
275     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
276     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
277     - add vert. coordinate & horiz. indices to output files.
278     - change vertical position in initial condition, from index to depth [m].
279     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
280       (easier to get to a curvilinear grid) ; delX,delY no longer used.
281    o pkg/ggl90: a few modifications:
282     - fix bottom boundary condition, and interpolation of KappaE
283       near top and bottom
284     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
285     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
286     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
287    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
288      (maintain temporary backward compatibility, until next checkpoint)
289    
290    checkpoint61h
291    o pkg/diagnostics with "periodic averaging diagnostics":
292      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
293    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
294    o pkg/obcs: fix loop ranges for balancing code
295    o pkg/flt:
296     - improve criteria for finding which tile owns a float.
297     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
298    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
299      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
300      with ocean biogeo)
301    o pkg/flt:
302     - do some cleaning and fix the restart ;
303     - add output.txt in flt_example/results to get this pkg tested.
304    o genmake2: add an EXTENDED_SRC option and flag.
305       for now, cannot be turned on on command line (only through genmake_local)
306    o pkg/mdsio: read/write vector:
307     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
308     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
309       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
310     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
311      (drop to 4 digits matching for grad). But this test does not look very
312      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
313    
314    checkpoint61g
315    o pkg/flt:
316      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
317       + make OPTIONS file more standard.
318      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
319      - fix _BYTESWAPIO CPP-Flag
320      - standard reading of file-parameter "data.flt"
321      - fix argument list of S/R FLT_RESTART
322      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
323    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
324    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
325      a still unfixed compiler/optimization bug
326    
327    checkpoint61f
328    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
329      update results of global_ocean.cs32x15.icedyn test.
330    o move getcon.F from model/src to pkg/fizhi.
331    o pkg/exf: add parameter for extrapolation of temp up to the surface
332       and option to prevent negative evap (in bulk_largeyeager04 only).
333    o Prather Advection scheme: fix tracer conservation for divergent flow
334      (e.g., when using NonLin Free-Surface).
335    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
336    o gmredi (Visbeck-variable-K):
337     - add more parameters to Visbeck-variable-K.
338     - use a 5 points average for dSigmaR in Visbeck-K calculation
339       (more "homogenous": same stencil and same weights as in dSigmaH)
340     - update output of ideal_2D_oce experiment.
341    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
342      (#undef REAL4_IS_SLOW)
343     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
344       coordinate variable
345     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
346       (surface forcing fields), removes some of the functionality
347     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
348     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
349       probably not all: copy _RS surface flux fields to RL field before
350       calling DIAGNOSTICS_FILL
351     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
352       real*4 (CALL EXCH_*_RS) versions.
353     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
354       (generate new output).
355    
356    checkpoint61e
357    o gmredi (Visbeck-variable-K):
358      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
359      - change computation of Visbeck-K where Slope > Smax :        
360        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
361        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
362    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
363      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
364    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
365    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
366      does not become too large (to avoid precision problems in implicit-diffusion
367      solver); update ideal_2D_oce output.
368    o pkg ggl90:
369      - in ggl90_cal.F: compute only one set of visc/diff, used to
370        step forward TKE/T/S/momentum
371      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
372        have Prandlt =1)
373    o gmredi (fm07):
374      - add lower limit on Transition layer thickness + lower limit on 1/lambda
375      - allow to set few more params from data.gmredi
376    o pkg ggl90:
377          - add missing sqrt(2) factor in computation of mixing length
378            scale in ggl90_calc.F
379            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
380    
381    checkpoint61d
382    o adjoint modifs
383      - adapt to new field rhoInSitu
384      - allow to revert from StoreDynVars2D, StoreDynVars3D
385        to individual fields
386        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
387    o store 3-D (in-situ) density in commom block (DYNVARS.h)
388     - save 1 rho computation.
389     - no longer modify T & S inland when using down_slope pkg.
390    o gad_som : allow to switch to SOM advection for T & S without corresponding
391      pickup files (using new S/R: MDS_CHECK4FILE).
392    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
393      (for useSingleCpuIO to work in multi-threaded)
394    o pkg/shelfice:
395     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
396       with SHELFICEtopoFile in data.shelfice
397     - move code for reading ice shelf topography and modifying hFacC into separate
398       subroutines of the shelfice package
399     - separate initialisation of "fixed" and "variable" variables
400     - kTopC is not (yet) replaced by kSurfC, although this is possible
401    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
402    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
403      and rename:
404      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
405      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
406    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
407    
408    checkpoint61c
409    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
410      to add mass source/sink of fluid in the interior (3-D generalisation
411      of oceanic real-fresh water flux).
412    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
413    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
414    o new pkg: down_slope
415      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
416      - presently, modify T & S inland (dwnslp_calc_rho.F).
417        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
418      - implementation for ocean in P-coords not tested.
419      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
420    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
421      (to facilitate conversion of oceanic pkg to p-coordinate).
422    o change FIND_RHO to FIND_RHO_2D :
423      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
424    o new pkg: cheapaml
425    
426    checkpoint61b
427    o exch2:
428      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
429      - no longer depend on the order sequence (N,S,E,W).
430      - 3rd exchange no longer needed (tested with 24 tiles).
431      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
432      - exch_UV_A-grid readily available (but not yet tested).
433      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
434      (both are no longer needed) in exch_uv: no effect in forward run; but
435       get truncation error differences with adjoint exch.
436    o exch2:
437     - change index-bounds storage (moved from target to local tile,
438       more intuitive this way) ; rename/remove some variables.
439     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
440    
441    checkpoint61a
442    o exch2/matlab-topology-generator:
443      fix bug in index bounds for N-S internal exchange (hard to tell if this
444      had any effect on the solution).
445    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
446      is exceeded
447    o testreport: modify syntax of awk, so that it works also with
448      awk, and not only with nawk and gawk
449    
450    checkpoint61
451    o autodiff
452      Change default for TAF usage by removing argument '-nonew_arg'
453      This changes TAF subroutine argument list (ordering of active var.)
454      Omission of this flag leads to incompatibility w.r.t. TAMC
455      To restore TAMC-compatibility, need following modifs:
456      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
457      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
458      Tested TAF version is 1.9.22
459      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
460    
461    checkpoint60
462    --->>> This is the last checkpoint for which generating the adjoint
463    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
464    --->>> by default.
465    --->>> Future checkpoints will ommit this flag by default.
466    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
467    o pkg/grdchk: Add gradient check to etan0 perturbations.
468    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
469    o pkg/autodiff: more flexibility in zeroadj.
470      model/src: modifying do_oceanic_phys.F accordingly.
471    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
472    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
473      special setup of gmredi for which the adjoint is stable
474      enough for parameter optimization.
475    o bridging the gap between eddy stress and GM.
476      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
477          along with a change in CPP option (now ALLOW_EDDYPSI).
478      -> when using GM w/ GM_AdvForm:
479          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
480          is applied either in the tracer Eq. or in momentum Eq.
481          depending on data.gmredi (intro. GM_InMomAsStress).
482      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
483      The key modifications are in model/src/taueddy_external_forcing.F
484      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
485    
486    checkpoint59r
487    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
488      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
489      fix option to read coriolis(@ cell-corner) from files with CS-grid.
490    o pkg/mnc: add some attributes to standard 1D-coordinate variables
491    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
492      mass points, when using mnc for output
493      - add runtime parameter (missing_value, missing_value_int) to override
494        default (which is the value of getcon('UNDEF'))
495    o pkg/mnc: prepare mnc for the actual use of missing values with the
496      diagnostics package: small fix in mnc_cw_readwrite.template and more
497      initialisation of never used fields
498      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
499      versions
500    o pkg/thsice/thsice_ini_vars.F added default initial values so that
501      thermodynamics sea ice solver does not blow up when some initial fields
502      are missing.
503    o move from external_forcing_surf.F to ini_forcing.F
504      the p-coord. hack consisting in using pLoad to set phi0surf ;
505      update output of tutorial_global_oce_in_p (affected @ truncation level).
506    o Freshen up a bit hs94.1x64x5, notably:
507      remove rotationPeriod and tRef=5*0. (adjoint only), and add
508      exactConserv=.TRUE.
509    o pkg/generic_advdiff:
510      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
511      applies to files where Temperature & Salinity 2nd Order moments are used.
512    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
513      this uses a dynamically allocated internal state data structure
514      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
515      and requires a fortran 90 compiler
516    
517    checkpoint59q
518    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
519       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
520    o Refresh tutorial_global_oce_biogeo, notably:
521      - change bathymetry (put back seamounts in ACC, use hFacs)
522      - change EOS (POLY3 --> JMD95Z)
523      - use Bryan-Lewis vertical diffusivity
524      - use multidimensional advection
525      - remove old virtual virtual in dic pkg, now done through ptracer pkg
526      - change a couple of parameters in dic pkg
527    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
528    o pkg/obcs: change default to OBCSfixTopo = .true.,
529      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
530      - replace "debugMode" with "debugLevel .GE. debLevB"
531    o implementation of TAF directives for gchem,cfc,dic
532    o remove "exp5" (replaced by tutorial_deep_convection).
533    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
534      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
535      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
536      --> changes results in exp4, seaice_obcs
537    o tutorial_deep_convection :
538      update the set-up and increase resolution and domain size ; start
539      from pseudo initial conditions = output at t=120mn in order to see
540      something happening when running testreport.
541    o pkg/seaice: add os7mp as an advection scheme
542                  add check for advection schemes
543                  add a flag for restoring T and S underneath sea ice
544    o pkg/my82: add netcdf-support and diagnostics
545    o thsice pkg:
546      - Now hsMax limits snow height by turning it into ice following
547        flooding scheme (and now conserving energy)
548      - Slight rewriting of the formula in thsice_calc_thick.F
549      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
550      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
551    
552    checkpoint59p
553    o gchem / dic / cfc :
554      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
555      - add new parameter files: "data.dic" & "data.cfc" ;
556      - various re-arrangement in initialisation & header file ;
557      - fix tutorial_global_oce_biogeo for multi-threaded test.
558    o pkg/dic: test for "pickup_dic" file when restarting ;
559      if no pickup-file, can restart with a re-initialised pH (same as it did
560      before) providing pickupStrictlyMatch is set to False.
561    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
562      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
563    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
564      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
565    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
566     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
567       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
568    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
569       scheme to use for vorticty-term ;
570     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
571       (with default selectVortScheme, return to original discretisation)
572     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
573    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
574    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
575      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
576      also fix diagnostics VISCAHW & VISCA4W.
577    
578    checkpoint59o
579    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
580    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
581      move a few statemens out the main loop into separate loops
582    o pkg/shelfice:
583      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
584        (kg/m^2/s), does not break tests, because in verification/isomip,
585        rhoConstFresh=rhoConst (by accident)
586      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
587      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
588        new file model/src/seawater.F, so that they are available for all pkgs.
589      - convert potential temperature into in-situ temperature. This changes the
590        isomip tests => update tests
591    o add a flag writePickupAtEnd (default=true) to be able to suppress
592      writing a pickup at the last timestep
593    o tools/mpack-1.6 :
594      - disable automake (not working) and autoconf (not needed).
595      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
596        also cleaner with much less compilation warnings.
597    o pkg/profiles:
598      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
599      (for "less than 32 characters name" compiler requirement)
600    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
601      conditions that have a different sampling frequency than S/T/U/V obcs
602    o pkg/diagnostics (stats-diags):
603      - fix global Min/Max in case 1 processor get only empty tiles
604    o genmake2: replace (4 times)
605         make genmake_tc_1.o >> genmake_warnings 2>&1
606      with
607         COMM="$CC $CFLAGS -c genmake_tc_1.c"
608         echo $COMM >> genmake_warnings
609         $COMM >> genmake_warnings 2>&1
610      to make genmake2 always see the value of CC as specified in the optfile.
611    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
612      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
613      - modify verification advect_cs test to test SOM-advection on CS-grid.
614    o pkg/ctrl:
615      - Rewrite of ctrl_map_ini_ecco.F,
616        introducing a generic routine (ctrl_map_ini_gen.F).
617      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
618    
619    checkpoint59n
620    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
621      number in dedicate array "hdiag":
622      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
623        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
624      - many small changes (integer format) for large number of diagnostics
625      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
626        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
627    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
628      usingSphericalGrid, this allows to define the rotated grid coordinates
629      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
630      geographical coordinates according to the inverse of the rotation defined
631      by the Euler angles, so that Coriolis parameter and online-interpolation by
632      exf works with the geographical coordinates on XC/YC/XG/YG.
633      Naturally, this feature does not work with all packages, so some
634      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
635      profiles), because there the coordinates are assumed to be regular
636      spherical grid coordinates.
637    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
638      - introduce isopycnal diffusion coefficient control.
639    o tools/adjoint_options:
640      - additional control vector components.
641    o pkg/mnc: have mnc create marginally meaning full coordinate variables
642      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
643    o pkg/mypackage:
644      - add example of read/write pickup for state-var ;
645      - add entry points to the main code for state-vars diags & write-pickup.
646    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
647      transitions for useExfYearlyFields
648      - add new subroutine that determines the file to read from for
649        use*YearlyFields = .TRUE. and .FALSE.
650      - add a verification experiment to global_with_exf that tests
651        useExfYearlyFields with USE_EXF_INTERPOLATION defined
652    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
653      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
654      subroutines (which could be generated from a template, because they are
655      almost identical), for now they are included in obcs_prescribe_read.F for
656      simplicity
657    o pkg/exf:
658      - add a little more diagnostic to exf_interp_read (in analogy to
659        mds_read_field, can be turned off with debugLevel < debugLevA=1)
660      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
661        ugly but fast by unrolling short inner loops, inserting a unroll=8
662        directive in routine lagran, and splitting a loop and making do while the
663        outermost loop (the latter requires the intoduction of index arrays)
664    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
665    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
666      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
667    o verification/seaice_obcs: updated for restart test and latest options
668    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
669      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
670      for now this is only available for the C-grid code and also within
671      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
672    
673    checkpoint59m
674    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
675      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
676    o gad_som : fix flux output (& diagnostics) to have same units as other  
677      advection scheme fluxes (was previously multiplied by deltaT).  
678    o added verification/seaice_obcs both to test seaice open boundaries
679      and to provide an example matlab scrpt for generating them
680    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
681    o pkg/salt_plume: clean up salt_plume_frac.F to
682      remove redundancy in PlumeMethod 1 and 4
683    o pkg/kpp: added saltplume diagnostics
684    o pkg/obcs and pkg/seaice:
685      - do not set uice and vice to zero when OB*icefile are unspecified
686      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
687      - moved seaice tracer obcs after call to seaice_growth
688    o pkg/salt_plume: added various options for salt plume depth
689      criterion and for vertical distribution of the salt
690    
691    checkpoint59l
692    o pkg/ptracers: new version of ptracers pickup:
693      read meta file and write only fields which are needed to restart.
694      ( same logic as main pickup file ; also using pickupStrictlyMatch )
695    o pkg/seaice:
696      - add timescale for melting due to warm mixed layer as a means of
697        setting SEAICE_availHeatFrac more conveniently
698      - add a CPP-flag/runtime parameter check for flooding algorithm
699      - reformulated availHeat in seaice_growth.F to be independent of AREA
700    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
701      unit changes
702    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
703    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
704      SX vector computer.
705    o pkg/seaice:
706      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
707        seaice forcing fields can now be read only through pkg/exf
708      - removed some unused halos
709    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
710    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
711      or U/VICE from U/VWIND before computing U/VSTRESS
712    
713    checkpoint59k
714    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
715      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
716    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
717      all experiments pass when compile with un-initialised var. checking option.
718    o added pkg/salt_plume
719    o script to test restart (for now, in MITgcm_contrib/jmc_script)
720    o pkg/seaice: new read/write pickup version.
721      read meta file and write only fields which are needed to restart.
722      ( same logic as main pickup file ; also using pickupStrictlyMatch )
723    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
724    o lab_sea.hb87: modify the domain & update output.hb87.txt :
725      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
726      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
727      process. Fixed here by closing the domain at the Northern boundary.
728    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
729    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
730      a set of consecutive levels in/from a 3-D array.
731    o pkg/ptracers:
732      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
733      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
734    
735    checkpoint59j
736    o in pkgs: dic, obcs, offline, rbcs:
737      standard way to compute coeff. for time interpolation between 2 time reccords
738      which retains full precision (& make results less dependent on compiler).
739      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
740    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
741      packages instead of reading ice cover and wind speed separately
742    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
743     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
744      to allow to compile customized code before the update)
745    o cleaning-up:
746      - fix CPP instruction syntax in pkg/obcs
747      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
748        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
749      - fix some threads issue in IO parts.
750    o pkg/dic:
751      - add tons of "_d 0" (--> much better testreports !)
752       and then update outputs of tutorial_global_oce_biogeo
753    o pkg/mom_fluxform:
754      add a special version of momentum advection intended to conserve momentum
755      next to a bathymetry step or a coastline edge. (default = off = #undef)
756    o new read/write pickup version:
757      - for now, only implemented for main (mdsio) pickup file.
758      - write out only what is needed to restart; merge pickup_nh , pickup_ph
759        and main pickup together.
760      - read meta file; read only what is needed to restart; stop if a field
761        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
762        if it make sense (even if the restart is not perfect).
763      - if no meta file, assume that pickup to read corresponds exactly to
764        a pickup that would currently be written.
765      - read pickup written in the old format (until checkpoint59i) if it
766        recognizes an old meta file (no field-list).
767      - add a meta file in exp. which starts from a pickup: 2 cases:
768        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
769         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
770        b) a meta file describing the content of the associated pickup file
771         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
772    o pkg/mdsio & pkg/rw:
773      - new routine to read a meta file ; new set of routine to read
774        Multiple-fields file (with meta file).
775    o added open boundary conditions capability for seaice
776        HSNOW, HSALT, UICE, and VICE
777    
778    checkpoint59i
779    o adjoint:
780      * fix multiDimAdvection adjoint
781        (partial recomputation problem by TAF for fVerT(:,:,kDown)
782        and comlev1 size definition (maxpass vs. max. number of tracers)
783      * verification/global_ocean.90x45x15 adjoint now tests
784        NLFS and multiDimAdvection using DST3 (=30)
785      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
786    o pkg/kpp: add "_d 0" to real constant (if missing);
787      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
788      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
789    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
790      for internal parameters related to restart process (formerly from PARAMS.h)
791      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
792    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
793      as argument. (only atm2d & obcs write_pickup have not yet been updated)
794    o pkg/monitor:
795      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
796      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
797      - account for deep Atmosphere factor and density factor (anelastic)
798    o added open boundary conditions capability for seaice HEFF and AREA
799    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
800      thermodynamics
801      - requires a little reorganization, which affects the testreport results
802        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
803        so that now the conservative form is tested
804      - add a few comments
805    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
806    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
807    o add new diagnostics to seaice: advective, diffusive fluxes (only for
808      multidim-advection, for scheme 2 they are not filled) and transports,
809      thermodynamic growth rates
810    o change units of EmPmR (inside the code, + within coupling interface)
811      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
812      Affects results @ truncation level (cg2d match) and update output of
813       experiments: lab_sea(6), global_ocean.90x40x15(10),
814      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
815      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
816      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
817      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
818    
819    checkpoint59h
820    o pkg/exf:
821      - improve vectorization by moving if-statement out of loops in
822        exf_mapfields, exf_radiation
823      - exf_bulkformulae.F: introduce 2D fields and vectorize code
824    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
825    o testreport:
826      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
827        monitor & update offline_exf_seaice exp. output.
828      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
829    o pkg/seaice:
830      - bug fix in the evp solver: boundary conditions were affected be
831        masking of zMax/zMin (changes results)
832      - minor bug fix in boundary conditions in seaice_calc_strainrates
833        (changes results for no_slip)
834      - seaice_lsr.F: make interpolation of eta dependent on boundaries
835      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
836      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
837        stress formulation and no-slip boundary conditions
838    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
839      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
840    o pkg/seaice: a first HSALT time stepping equation has been checked in
841    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
842      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
843      without requiring DO-IF statements
844    o pkg/thsice:
845      use continuous power-law function for partition of energy between lateral
846      melting/freezing and thinning/thickening ; old code using step function
847      still available with #undef THSICE_FRACEN_POWERLAW
848      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
849    o testreport: change AD testing : check against results/output_adm.txt
850      using same scripts as for forward test.
851    
852    checkpoint59g
853    o adjoint testing: in preparation for changing testreport:
854      - output format: cost and grad written on separated lines
855      - ad output results in directory "results" (instead of "results_ad")
856    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
857    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
858    o pkg/ecco: allow user defined cost function contributions
859    o testreport:
860      Allow to choose (per experiment) the list of tested output variables
861       and the main variable (used to issue a pass/FAIL ) ;
862      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
863      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
864      Also modify printing of summary:
865       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
866       b) echo the list of tested variables in the individual summary.txt of
867          each experiment.
868    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
869      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
870      (but still depend on the tile decompostion of the domain).
871    o pkg/seaice: change a discretization detail to make the B-grid code
872      "more symmetric". This change is likely to remove all "ridges/leads" that
873      where quasi-aligned with the grid in B-grid solutions. It may also be
874      the solution to the stress coupling issues with the B-grid.
875    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
876      remove .cvsignore from input dir. (since testreport no longer run here).
877    o pkg/thsice:
878     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
879     - fix reshaping of sea-ice just after advection:
880       melt all the ice only if ice-volume is too small.
881     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
882       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
883     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
884    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
885      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
886    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
887      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
888      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
889      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
890      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
891      -> update output.txt
892    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
893     this affects truncation error: -> update output.txt of exp:
894      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
895      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
896    
897    checkpoint59f
898    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
899    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
900      a bounded range (in forward mode)
901    o pkg/ecco, ctrl, autodiff and mom_common:
902     internal parameter controls, completements of implementations
903    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
904    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
905      (not seem any difference in testing results).
906    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
907       at face corners.
908    o pkg/generic_advdiff:
909     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
910      loop range indices for computing vertical advection tendency
911      and do the calculation in the interior only (no overlap) ;
912      for now, only implemented for SOM advection (to save CPU time).
913     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
914    o exch2 adjoint
915      First set of changes:
916      - add exch2 hand-written adjoint templates
917      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
918        This will require cleanup in pkg/autodiff/*.F
919        (changed routines currently kept separate in verif. code/)
920      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
921        that used to hide exch2 or cubed-sphere specific code
922        (commented via 'cph-exch2')
923    o pkg/seaice
924      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
925    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
926       output of global_ocean.cs32x15.thsice .
927    
928    checkpoint59e
929    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
930      for B-grid vector (not yet tested) and C-grid vector (<- only used
931      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
932    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
933      (#ifdef ALLOW_SALT_PLUME)
934    o gather_2d/scatter_2d: removed halo regions
935    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
936      scheme and the corresponding test case (under front_relax dir). For now,
937      only available with Skew-flux form and not yet tested in realistic set-up.
938      adjoint: store directives updated, but gradient checks deteriorated,
939      so maybe GM/Redi adjoint is now broken.
940    o seaice adjoint
941      * add AREA, HEFF, HSNOW as control variable
942        (should not change lab_sea results)
943      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
944    o pkg/seaice:
945      * added computation of saltFlux in seaice_growth;
946        For time being, sea ice salinity is assumed constant
947        contribution of snow flooding to freshening of sea ice is neglected.
948        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
949        defaults to 0.0 in order to maintain backward compatibility.
950        Typical values for SEAICE_salinity are 4 to 10 g/kg.
951      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
952      * added SEAICE_availHeatFrac, which specifies fraction of surface level
953        heat content used to melt or grow ice
954      * commented out cap of HICE: it helps keep ice thinner
955      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
956      * applied OBCS T/S mask to HEFFM sea ice mask
957    
958    checkpoint59d
959    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
960     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
961     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
962    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
963     and change default value of parameter "GM_Small_Number";
964     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
965       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
966       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
967    o pkg/ecco: cost function when applying pkg/smooth to controls
968    o pkg/ctrl: add forcingPrecond run time parameter
969    o pkg/seaice:
970     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
971     - fix bug in metric terms of u-equation in LSR solver (implicit part),
972       changes verification/lab_sea
973     - rearrange implicit part of u-equation in LSR solver to make it easier to
974       read, understand, and debug. This causes changes at the truncation level.
975     - fix (serious) bug in the boundary conditions (sign error in the implicit
976       part) of the LSR solver. Changes all LSR results.
977     - fixed problem with HSNOW initialization to avoid thick snow when AREA
978       is initilized with small values - does not change lab_sea results.
979     - added HsnowFile initialization capability
980    o pkg/smooth: addition to model/src and pkg/ctrl so allow
981     initialization of pkg/smooth and application to control vector
982    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
983    o dependencies: pkg/profiles requires pkg/cal
984    o pkg/profiles:
985     - added option ALLOW_PROFILES_GENERICGRID
986         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
987         that interpolation information (grid points and coefficients) is provided
988         within the netcdf input files.
989         -> sample matlab scripts can be found in MITgcm_contrib/gael
990         that allow you to prepare netcdf input files.
991     - also modified: cleaner include statements, cleaner error print statements,
992       cleaner stops when error, and more tests of the netcdf input files consistency.
993    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
994    o pkg/seaice:
995     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
996       requires a new routine: seaice_diagnostics_fill.F
997     - make sure that seaice does not move if not forced (pressure replacement
998       method, Hibler and Ip, 1995), changes results
999     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
1000     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
1001       It is turned off by default (=-1.), because it changes the results.
1002     - make it possible to read AREA from a file, too.
1003    
1004    checkpoint59c
1005    o add S/R and diagnostics for oceanic mixed-layer depth
1006    o move GMRedi call after all vertical mixing schemes (including KPP)
1007    o pkg/thsice:
1008     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
1009      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
1010    o pkg/obcs:
1011     - bug fix for balance code
1012    o pkg/seaice:
1013      - allow values of SEAICE_elasticParm > 1
1014      - add new parameter SEAICE_evpTauRelax as an alternative
1015        to SEAICE_elasticParm
1016      - make lsr boundary conditions free slip (by default), changes result
1017      - add code for no slip boundary conditions for lsr
1018      - set minimum of zeta to zero (and not 4e8) (changes results)
1019      - add a cap on AREA after advecting AREA if seaice_growth is not called
1020    o change calculation of Visbeck K:
1021      - no longer depend on tapering scheme; instead, compute slope (limited
1022        by GM_maxSlope). this is equivalent to what was comuted before with
1023        clipping or linear tappering.
1024      - fix vertical averaging (wrong by 1/2 level)
1025      - leave the old version (but will not be maintained) within
1026        #ifdef OLD_VISBECK_CALC / #endif
1027      - update output of exp. ideal_2D_oce
1028    o change error catch in calc_r_star to improve vectorization
1029    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
1030      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
1031    o adjoint:
1032      Re-organized adjoint checkpointing according to Matt Mazloff
1033      (but with modifs/completions/cleanups)
1034      Storing is now bundled into large arrays to optimized I/O
1035      (and second step in cleanup of the_main_loop)
1036    
1037    checkpoint59b
1038    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
1039      - export/import (between ocean & coupler) fields needed for ocean DIC.
1040    o pkg/seaice:
1041      - get rid of three more exchanges seaice_calc_viscosities (required
1042        different loop boundaries in seaice_lsr and seaice_ocean_stress)
1043      - bug fix in seaice_ocean_stress (update of lab_sea required)
1044      - reduce loop boundaries to necessary minimum also in seaice_evp
1045      - go back to the old way of computing deltaC/Z as the adjoint likes that
1046        better
1047    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
1048      passive tracer to an Age Tracer) + update output.txt
1049    o pkg/exf:
1050      - implement A-grid / C-grid selection for wind-stress input files.
1051      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
1052      for now, in exf_bulk_largeyeager04.F only :
1053      - change implementation for case where windspeed + 2. components wind-stress
1054        are read-in. AND use rhoConstFresh to convert evap.
1055    o pkg/seaice:
1056      - use correct EXCH_UV for wind-forcing (on A-grid).
1057      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
1058        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
1059    o pkg/exf:
1060      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
1061      EXF_INTERPOLATION:
1062      - merge global_with_exf/code version of exf_interp_read.F
1063        to the main code ;
1064      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
1065        reading the file ; Important: This options needs to be defined to recover
1066        previous code.
1067        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
1068      - no longer loose real*8 precision along the way when using exf_iprec=64.
1069    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
1070      - change discretisation of evp-solver in order to avoid another exchange
1071        (changes lab_sea) and clean up a little
1072      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
1073        help the adjoint (this also changes the results slightly)
1074      - add a few "_d 0" where they had been missing in seaice_evp.F
1075      - cleaning up: remove unused seaice_calc_rhs.F
1076    o pkg/exf: some cleaning-up:
1077      - change various "constants" into runtime parameters
1078      - cleaned-up Large&Yeager04 routine which should eventually
1079        replace exf_bulkformulae.F (changed names of S/R and CPP)
1080        and merged various ALLOW_ATM_WIND options
1081     only used with thsice pkg (in thsice_get_exf.F):
1082      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
1083        which are used when useStabilityFct_overIce=TRUE (= the default)
1084      - change default values of ice & snow emissivity and scale downward LW
1085        by ice & snow emissivity.
1086    o pkg/thsice:
1087     fix few little problems, in thsice_calc_thickn.F:
1088      - growth vertically (and not laterally) if iceFrac == iceMaskMax
1089      - melt only laterally if hIce < hThinIce (as the comments say)
1090      and in thsice_extend.F:
1091      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
1092      - start to form ice as soon as the minimum ice-volume is reachable.
1093     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
1094      and cpl_aim+ocn
1095    o pkg/kpp
1096     - move computation of surface related input fields to KPP into a new
1097       subroutine kpp_forcing_surf.F
1098     - remove wrong (within bi,bj loops) EXCH calls.
1099     - little cleaning (add argument myThid in last position, cvs header ...)
1100     - for now, fix conservation problem by exchanging KPPviscAz (may not
1101       be the best fix)
1102    o pkg/seaice
1103     - check for inconsistent evp parameter/cpp-flag combination
1104     - remove leftover errIO flat for obsolete name list error handling
1105    o OpenAD
1106     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
1107    
1108    checkpoint59a
1109    o pkg/seaice: some parameter clarifications and a little bit of clean up
1110    o pkg/thsice: rename run-time parameters:
1111       himin       -> hIceMin
1112       himin0      -> hThinIce
1113       hihig       -> hThickIce
1114       i0          -> i0swFrac
1115       transCoef   -> bMeltCoef
1116       frac_energy -> fracMelting
1117      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
1118       with default values (for now) that do not change the results.
1119      remove old version of thsice vars advection in pkg/seaice.
1120    o in FFIELDS.h:
1121      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
1122      - make pLoad & sIceLoad always available (but still only used if
1123         ATMOSPHERIC_LOADING is #define).
1124    o pkg/kpp: replaced _KPP_RL with _RL
1125    o bug fixes for vertical diffusivity computations when both KPP and
1126        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
1127        are no longer updating the vertical diffusivity array
1128        (passed as argument) but are (re-) setting those arrays.
1129    o pkg/seaice: fix bug in evp solver, while doing that
1130      - change (improve?) discretization of stress computations for both
1131        cgrid-lsr and evp solver
1132      - add a new routine to compute strain rates
1133      - the above changes lab_sea results
1134      - add no slip conditions for evp solver (off by default), lsr-version
1135        may follow
1136      - fix exchange for shear at Z-points (does not change lab_sea)
1137      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
1138        (to force the user to pick a time step since there is not "safe" way
1139        of choosing it)
1140      - add principal stress diagnostics
1141      - rearrange fields for evp a little to avoid having to call a: too many
1142        exchanges and b: exchanges for stress trensor components which we do
1143        not have.
1144      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
1145        of evp, complete rewrite for lsr case (latter is does not yet work
1146        in all cases)
1147    o pkg/kpp: add code to have mixing in shelf ice caverns
1148      - add myThid to all kpp routines (long overdue)
1149    
1150    checkpoint59
1151    o pkg/exf:
1152      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
1153        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
1154      - move exf header files from lower_case.h to UPPER_CASE.h ;
1155        add missing cvs Header & Name
1156      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
1157      - add namelist param. selectStressGridPosition, exf_monFreq
1158      - retire many _CLIM routines, and remove data.exf_clim
1159        + params moved to data.exf
1160        + climsst, climsss now handled by exf_set_gen, i.e.
1161          climss?period=0 refers to constant field,
1162          climss?period=-12 to monthly forcing
1163      - split up namelists in data.exf
1164    o pkg/seaice:
1165      - remove seaice_exch and seaice_exch_uv
1166      - remove superfluous exchange of theta
1167      - add myThid to seaice_budget_ocean/ice
1168      - add new interface for atmospheric wind forcing (C-grid only)
1169        + new routine
1170        + two new field (taux, tauy for stress over ice)
1171        + removed one global field (DAIRN) for C-grid case only
1172    o pkg/thsise
1173      - 2nd set of modifs for thsice adjoint in conjunction with exf
1174    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
1175    
1176    checkpoint58y_post
1177    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
1178      vertical diffusivity, similar to that in MOM4; turned on using
1179      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
1180      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
1181    o Added capability for 3D specification of background vertical diffusion
1182      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
1183      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
1184      "data" file that contains the 3D vertical diffusivity coefficients.
1185    o ice dynamics (pkg/seaice) with thsice thermodynamics:
1186      - add code within pkg thsice to advect & diffuse sea-ice fields
1187      similar to (and will replace) what has been added in  seaice_advdiff.F,
1188      but: - conserving Mass, Heat & Salt.
1189           - better when using non-linear advection scheme (not yet fully tested)
1190           - can also be used in atmospheric set-up (for now, only the diffusion).
1191    
1192    checkpoint58x_post
1193    o IO option for global-file compact format:
1194      - add options when generating topology (utils/exch2/matlab-topology-generator)
1195      - add I/O capability (pkg/mdsio).
1196      - adapt utils/matlab/rdmds.m to read this format.
1197      for now long-line format not yet supported by pkg/mdsio (& exch2).
1198    o shelfice: add a few diagnostics
1199    
1200    checkpoint58w_post
1201    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
1202      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
1203      (and replace horiVertRatio in NH code).
1204      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
1205                         and tutorial_plume_on_slope (sensitive to truncation)
1206    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
1207      directly to drive seaice model (C-grid only)
1208    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
1209     - reintroduce computation of wind from stress,
1210     - compute tau (in exf_bulkformulae.F) from windstress averaged to
1211       mass points to avoid tau = 0
1212     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
1213    o rdmnc.m: make it work with "global" files created with gluemnc
1214    o rdmnc.m : some improvements in dealing with singleton dimension
1215      (tested on all testreport mnc output files).
1216    o genmake2: disable pkg/profiles if netcdf test fails.
1217    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
1218    o move call to cal_readparms up to make calendar parameters/variable available
1219      to all packages
1220    
1221    checkpoint58v_post
1222    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
1223      useDynP_inEos_Zc tested.
1224    o pkg/exf: changes to properly interpolate/mask/scale initial fields
1225    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
1226      and portions thereof.  See read_cs.txt for description and examples.
1227    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
1228      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
1229      following the great-circle arc between those 2 points.
1230    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
1231      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
1232    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
1233     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
1234     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
1235     - still needs work (not working with some options ; efficiency to improve)
1236       and serious testing.
1237     - use this scheme for temperature & salinity in 2 advection test exp.:
1238       advect_xy & advect_xz, respectively.
1239    
1240    checkpoint58u_post
1241    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
1242    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
1243    o testreport: add option "-skipdir" to skip some test.
1244    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
1245      momentum calculation.
1246    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
1247    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
1248      remove checkpoint.F and the_correction_step.F (no longer used);
1249      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
1250    o add option (linFSConserveTr) to correct for tracer source/sink due to
1251      Linear Free surface
1252    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
1253    o pkg/thsice: fix reading mnc-pickups
1254    
1255    checkpoint58t_post
1256    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
1257    o pkg/mdsio:
1258     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
1259       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
1260       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
1261     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
1262     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
1263       either MDS_READ_FIELD or MDS_WRITE_FIELD )
1264     - new S/R (to replace MDSWRITEMETA), which allows to write more
1265       informations (variable names, time ...) to meta files.
1266     - modify rdmds.m to give back the meta file content.
1267    o pkg/diagnostics: change vertical interpolation to be safer, and more
1268       flexible (define p-levels to interpolate to in data.diagnostics);
1269      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
1270       diagnostic pointer.
1271    o pkg/seaice: more cleaning up of seaice_growth, added many comments
1272    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
1273    o fix multi-category seaice:
1274     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
1275       SEAICE_MULTICATEGORY
1276     - fix short wave heat flux
1277    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
1278       and allow to use EVP solver. Change forward lab_sea: test both EVP
1279       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
1280    o Initial check-in of lab_sea adjoint
1281      (very similar to natl_box_adjoint/code_seaice)
1282      * used C-grid and EVP solver
1283      * used KPP, GM/Redi
1284      * uses inAdExact=.TRUE.
1285      * gradient checks fail for both ADM and TLM
1286        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
1287        f.d. gradients actually seem more problematic than ADM, TLM gradients;
1288        issue is related to forward mismatch between g77 an ifort
1289    o pkg/seaice: overhaul of thermodynamics
1290     - growth.F and groatb.F are replaced by new routine seaice_growth.F
1291     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
1292     - move a few global fields out of SEAICE.h into seaice_growth.F and
1293       make them 2D (FICE/QNETO/ ...)
1294     - remove FO (it is the same as QNETO)
1295     - introduce a few local fields to avoid modifying external fields such
1296       as atemp, etc.
1297    
1298    checkpoint58s_post
1299    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
1300      changed exf_set_gen.F so that
1301        genperiod=0 means input file is one time-constant field and
1302        genperiod=-12 means input file contains 12 monthly means
1303    o CG2D: use pre-computed solver main-diagonal (stored in common block);
1304      this affects truncation error ; generate new output file for exp. which
1305      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
1306        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
1307        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
1308        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
1309        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
1310        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
1311    o start implementation of deep-atmosphere and anelastic formulation
1312    o verification: remove 2nd copy of input files and use script "prepare_run"
1313      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
1314    o mom_common/vecinv/fluxform: fix a few initialisation isssues
1315    o profiles: fix for multithreaded case
1316    
1317    o diagnostics: rename few diags:
1318      s/'PRESSURE'/'RCENTER '/g
1319      s/'TICE    '/'oceFreez'/g
1320      s/'TAUX    '/'oceTAUX '/g
1321      s/'TAUY    '/'oceTAUY '/g
1322      s/'SWFLUX  '/'oceQsw  '/g
1323      s/DIFx/DFxE/g
1324      s/DIFy/DFyE/g
1325      and add few ocean-forcing diagnostics:
1326      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
1327    o modifications to pkg/seaice/growth.F and budget.F, which change results of
1328      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
1329      as actual snow thickness.  It now refers everywhere to effective snow
1330      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
1331    
1332    checkpoint58r_post
1333    o modifications to pkg/seaice/growth.F, which change results of
1334      lab_sea experiment: fixes pertain to melting snow over open water, to
1335      masking EVAP under sea ice, and to using the correct AREA variable for
1336      computations of EVAP, PRECIP, HSNOW, and GHEFF
1337    o add ability to read bathy, salt, and theta using MNC (off by def)
1338    o add flooding algorithm and advection of HSNOW for pkg/seaice;
1339      both are turned off by default and do no change any results
1340    o seaice advection with pkg/thsice: a step toward the use of non-linear
1341      advection scheme, but #ifdef or commented out for now (requires more EXCH).
1342    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
1343      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
1344      in natl_box (affects results @ truncation level: update output.txt)
1345    o multi-threading and IO:
1346      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
1347      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
1348        (needed to work with SingleCpuIO): tested in all verif. exp.
1349    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
1350      affects the results (but none of the verification test uses this scheme).
1351    o Adding some pkg/diagnostics capability to pkg/seaice
1352      (will certainly be subject to changes)
1353    o ctrl: adding new control variables:
1354      lwflux, lwdown, evap, snowprecip, apressure, runoff
1355    
1356    checkpoint58q_post
1357    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
1358      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
1359      high_res_cube configuration by 4% on Columbia.
1360    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
1361      add (in global_with_exf/code) a version of EXF_INTERP_READ without
1362      dynamical allocation (seems to work in multi-threaded).
1363    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
1364      single CPU io) so that TAF does not have to see EESUPPORT.h
1365    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
1366    
1367    checkpoint58p_post
1368    o obcs: stop if obcs is used with useCDscheme = .true.
1369    o shelfice:
1370     - fix a sign error so that no slip at shelfice interface works
1371     - remove stop for combination non-hydrostatic code and shelfice. That does
1372       not mean, that the results are correct, but at least they are numerically
1373       stable
1374    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
1375    o added adjoint exch routined for all exch*3d* routines
1376      and updated flow directives
1377    
1378    checkpoint58o_post
1379    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
1380      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
1381    o change controling S/R for writing pickup file (new S/R do_write_pickup)
1382      and clean-up reading/writing of pickup files.
1383    o fix local version of read/write pickup (NH part) in rotating_tank/code
1384    o simplify EXCH interface:
1385     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
1386     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
1387    o added the regrid package
1388    o shelfice:
1389     - add a simple boundary layer scheme to reduce noise
1390     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
1391    
1392    checkpoint58n_post
1393    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
1394       local variable (not in common block).
1395    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
1396      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
1397      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
1398        to work with SingleCpuIO.
1399    o add "_d 0" to real constant of pkg/cfc subroutines ;
1400       update exp. cfc_exemple & tutorial_cfc_offline output files.
1401    o multi-threading and IO:
1402      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
1403        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
1404      - barrier before and after reading.
1405      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
1406      - avoid using MDS_WRITELOCAL for LAND pkg output.
1407      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
1408        common-block variables ; Allows multi-threading with master-thread IO.
1409    o change default MAX_NO_THREADS from 32 to 4 ;
1410      and stop cleanly when MAX_NO_THREADS is too small.
1411    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
1412    
1413    checkpoint58m_post
1414    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
1415       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
1416    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
1417       keep global_ocean.90x40x15 (for AD testing) with former secondary test
1418       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
1419    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
1420        add MITgcm_tutorials (= code + all the tutorials)
1421    o ecco, option to compute cost for total ssh (mean+anom)
1422    o consistent with addition of ptracer and ssh in pkg/profiles
1423    o profiles: adding ptracer and ssh
1424    o testreport: change multi-test output-file name
1425      (from output.txt.{name} to output.{name}.txt)
1426    o profiles: now ok for mutli-tiles case
1427    o seaice: add 4 parameters for different advection schemes for area,
1428      (effective) seaice thickness, enthalphy, and snow height. Their default
1429      is the standard parameter SEAICEadvScheme
1430    o calc_gw:
1431     - add cosFacU in zonal viscous flux (harmonic.visc.).
1432     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
1433       of tutorial_plume_on_slope.
1434    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
1435    o calc_gw: true flux-form, account for horizontal grid spacing.
1436      update rotating_tank results, but not plume_on_slope (affected at
1437      truncation level, 11 digits).
1438    
1439    checkpoint58l_post
1440    o calc_gw:
1441     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
1442     - remove side-drag for now (need to fix it); update plume_on_slope results.
1443     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
1444    o commit code to make SST/SSS weights spatially variable
1445      (based on either variable in-situ or variable initial T/S weights)
1446    o pkg/ecco:
1447      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
1448        now based on horizontally varying weights wthetaLev, wsaltLev
1449      * cost_averagesflags now returns year indices in addition to day, month
1450      * sflux balance is performed on annual basis
1451        (sflxumm, sfluxmm2, bal_sfluxmm)
1452      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
1453        including separate counting and multipliers
1454    o pkg/rbcs
1455      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
1456    
1457    checkpoint58k_post
1458    o testreport:
1459     - always build in dir. "build" (if not there, mkdir build instead of building
1460       & running in input)
1461     - run in dir run (if it exists), in build otherwise.
1462     - call prepare_run (if input/prepare_run exists)
1463     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
1464    o pkg/exf modifications to interpolation and rotation routines for more
1465       reasonable treatment of North Pole singularity: for tracers North Pole
1466       value is set to northernmost zonal-mean value, for zonal velocity it is
1467       set to zero, and for meridional velocity it is set to northernmost value.
1468    o pkg/exf/exf_check_range.F
1469     - add tile index to diagnostics and move stop statement to the very
1470       end of the routine.
1471    o pkg/diagnostics: (diagnostics_main_init.F)
1472      define title of isomorphic variables according to the current config.
1473    o pkg/thsice with pkg/seaice dynamics:
1474    - fix domain of computation (interior only, required for exf) and do exchanges
1475    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
1476    o towards a standard way of dealing with multi-threading in MONITOR
1477      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
1478    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
1479       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
1480    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
1481    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
1482    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
1483       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
1484    o tracer advection:
1485     - clean-up and simplify calc_common_factors.F
1486     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
1487       advection subroutine (but still not used within DST advection S/R)
1488    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
1489    
1490    checkpoint58j_post
1491    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
1492      from file (collects calls previously in FORWARD_STEP)
1493    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
1494    o adjoint store dir. adjusted accordingly
1495    o genmake2
1496      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
1497    
1498    checkpoint58i_post
1499    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
1500      on wind stress (SEAICEstressFactor defaults to 1.)
1501    o Total number of Timers is finite (<=40): comment out 2 non-essential one
1502      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
1503    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
1504      on CS-grid: no longer loosing mass.
1505    o exf & curvilinear-grid: no longer modify longitude xC & xG.
1506    o pkg/ggl90: fix sloppy output and fix a bug
1507    o pkg/seaice: added SEAICEuseEVPpickup parameter
1508      - Set to false in order to start EVP solver with
1509        non-EVP pickup files when using SEAICEuseEVP
1510      - fix sign error in diffusion in seaice_calc_rhs
1511    
1512    checkpoint58h_post
1513    * Modifications for bottom topography control
1514      o replace hFacC by _hFacC at various places
1515      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
1516      o add non-self-adjoint cg2d_nsa
1517      o update autodiff support routines
1518      o re-initialise hfac after ctrl_depth_ini
1519      o works for 5x5 box, doesnt work for global_ocean.90x40x15
1520    * Adding verification for 5x5 box (4-layer) bottom topography control
1521    
1522    checkpoint58g_post
1523    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
1524       used for mean seasonal cycle, mean diurnal cycle); add an example
1525       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
1526    o pkg/ggl90:
1527      - add parameter (minimum surface kinetic energy)
1528      - fix bug (avoiding division by zero)
1529    o couple pkg/thsice to pkg/seaice:
1530      - modify advection in seaice to accomodate new scalar fields to be advected
1531      - only muliDimAdection scheme work with seaice/thsice
1532      - mapping of thsice-variables to seaice-variables, back and forth
1533      - does not break the verification experiments, but does not give the
1534        desired results either
1535    o pkg/seaice
1536      - make (default) second order advection a bit less confusing?
1537    
1538    checkpoint58f_post
1539    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
1540      to pkg/seaice):
1541      - new routines thsice_map_exf and thsice_get_exf provide the interface
1542      - add an additional formal parameter to thsice_solve4temp
1543    o pkg/exf:
1544      - add new fields wspeed, snowprecip (to be able to couple to thsice)
1545      - correct Stefan-Boltzmann constant
1546      - new parameter for longwave surface emittance
1547      - separate some stuff from exf_bulkformulae into new routines  
1548        exf_radiation, exf_wind
1549      - add new parameters and constants: longwave emissivity for ocean, ice
1550        and snow, evaporation parameters over ice
1551      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
1552        either wind from stress or stress from wind
1553    o pkg/thSIce:
1554    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
1555    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
1556       and THSICE_CALC_THICKN
1557    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
1558    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
1559      to make debugging easier.
1560    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
1561    o pkg/bulk_force:
1562      - clean-up comments and parameters ;
1563      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
1564    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
1565      generate new output for test-experiment: aim.5l_cs.thSI
1566    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
1567      testreport accordingly
1568    
1569    checkpoint58e_post
1570    o SEAICE_CGRID adjoint done
1571    o R_STAR adjoint implemented.
1572      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
1573      * need to sort out init. of h0facc, etc.
1574    o Make pkg/profile fully independent of ecco,cost, etc. stuff
1575      to be able to use it in pure forward.
1576    
1577    checkpoint58d_post
1578    o upgrade simple test-experiment to tutorial example:
1579     step.1: duplicate the experiment and (step.2) will remove the old copy.
1580      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
1581      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
1582      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
1583      tutorial_global_oce_biogeo    <- copy of dic_example
1584      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
1585      tutorial_plume_on_slope       <- copy of plume_on_slope
1586      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
1587      tutorial_global_oce_optim     <- empty for now (David ?)
1588      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
1589     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
1590    o correct a sign problem in cost_scat.F
1591    o obcs and ptracers: fix boundary conditions for advections schemes
1592      with larger stencil
1593    o thsice adjoint: start
1594    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
1595      completeness
1596    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
1597      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
1598    o ptracers adjoint:
1599      * avoid extensive recomputatations
1600      * fix missing re-init. of gptr (missed by TAF)
1601    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
1602      me to turn off the excessive output to STDOUT that this package produces
1603    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
1604      and add those terms in Vector-Invariant formulation.
1605    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
1606      if the control period (xx_hfluxperiod etc) is 0
1607    o in profiles pkg, clean routines and fix details
1608    o in ecco pkg, reading ssh data:
1609      fix problem in case the model does not start at iter0=0
1610    o fix mnc-pickup/restart for ptracers
1611    o new package prifiles:
1612      code to compute profile-based cost by Gael Forget
1613      (modifs in ecco, ctrl, autodiff)
1614    o Benign bug fix in initialization (spotted by M. Mazloff) of
1615      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
1616    
1617    checkpoint58c_post
1618    o adjoint: finish NLFS adjoint and provide reference output in
1619      verification/global_ocean.90x40x15/results_ad_nlfs
1620    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
1621      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
1622      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
1623      with SEAICE_CGRID defined.
1624    o move calendarDumps from "data" to "data.cal" and clean-up the code
1625      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
1626    o add useEXF & useCAL flags (for now, set in hard-coded way)
1627    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
1628      (were missing in NH mode, and wrong in quasihydrostatic mode).
1629      waiting for Chris updated version of calc_gw to add those CALLs.
1630    o fix bug in quasihydrostatic S/R ;
1631      add a test for this option: global_ocean.90x40x15.qshyd
1632    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
1633      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
1634    o add on/off flag useOffLine for package OFFLINE
1635    o seaice:
1636      - modify advection so that it works also on the C-grid
1637      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
1638        problem in multi-tile runs with C-grid
1639      - add flags for clipping ice velocities and/or masking solver forcing
1640      - fix drag (ocean on ice) formulation and a bug that caused noise in the
1641        C-grid solver
1642      - added a few comments to seaice_diffusion.F
1643      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
1644        are now exclusive)
1645      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
1646        required re-ordering the code a little:
1647       + make DAIRN global variable (defined in SEAICE)
1648       + move computation of the viscosities eta and zeta into a new separate
1649         routine (because I need to recompute them in seaice_ocean_stress.F)
1650    
1651    checkpoint58b_post
1652    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
1653      update output.txt of exp. aim.5l_cs.thSI
1654    o various mnc cleanups and improvements:
1655      + shrink lookup tables by factor of ~4
1656      + better error reporting when running out of lookup space
1657      + able to handle longer path/file names (up to 500 chars)
1658    o adjoint:
1659      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
1660      - TBD: "hidden" mom_vecinv recomp. in dynamics
1661    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
1662     (allow to differentiate between forcing components using new integer flags:
1663      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
1664     and add new flag to put Dissipation tendency out of Adams-Bashforth.
1665    o ecco
1666      - enable trend removal from SSH anomaly obs.
1667    o adjoint
1668      - a fix for PmEpR when #undef EXACT_CONSERV
1669      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
1670      - try to fix "hidden" recomp. in forward_step for NLFS
1671        (NLFS seems broken sometimes after I checked it in)
1672    o seaice:
1673     - add c-grid version of the dynamic solver:
1674       + three new routines that are the c-grid substitute lsr, dynsolver
1675         and ostres
1676       + put a few fields that were local to dynsolver into global common
1677         blocks, so that I can move the computation of stresses etc into
1678         seaice_lsr (saves coding but may break the adjoint).
1679     - replace more hardwired parameters by runtime parameters
1680     - add ice masks that mask the rhs of the implicit solvers where there
1681       is no ice (commented out in seaice_dynsolver, because i am not sure
1682       if this works properly), eventually this should replace the clipping
1683       of ice velocities in seaice_dynsolver to +/-40cm/s.
1684    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
1685      include it only where its needed
1686    o move balancing of fluxes before the call of external_forcing_surf
1687    o seaice:
1688      - correct units of turning angles (now they are really in degrees)
1689      - move computation of GWATX/Y out of main routine into dynsolver
1690      - initialize GWATX/Y in seaice_init
1691    o Apply mask on Fresh-Water flux (needed for SSH forcing).
1692      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
1693    o seaice: add runtime flags for turning angles (default to zero)
1694    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
1695      and trend from exf forcing and ctrl control adjustments
1696    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
1697      (since checkpoint57x_post)
1698    o change the default rotation period to 86164.s = the Earth rotation
1699    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
1700      and based on a reference stratification. Tested within hs94.cs-32x32x5.
1701    o seaice advection: add code for choosing between the default (2nd order
1702      central differences) and multiDim advection schemes provided by
1703      pkg/generic_advdiff
1704    o seaice:
1705      - removed all references to SEAICE_GRID.h fields from
1706        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
1707        (cubed-sphere configuration will change a little)
1708      - grid computations in seaice_init are obsolete now.
1709      - cleaned up code a little so that is easier to read (hopefully).
1710      - added new (better?) discretizations of default advection and diffusion
1711        (turn on with SEAICEuseFluxForm)
1712      - replace 1 in 3d global fields by kSurface in growth.F
1713      
1714    checkpoint58a_post
1715    o seaice:
1716      - bug fix in advect.F
1717    o shelfice:
1718      - separate shelfice load anomaly from pload (breaks with time
1719        dependent forcing), => introduce constant field shelficeLoadAnomaly.
1720        Its default is 0., but it may be computed more cleverly from (unknown)
1721        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
1722        done offline. A good approximation of the pressure load anomaly is
1723        necessary to avoid large initial adjustment processes underneath
1724        deep-reaching shelfice.
1725      - small fix in ISOMIP shelfice_thermodynamics
1726      - add more sophisticated thermodynamics of Hellmer (1989), this is
1727        now the default
1728      - give a few constants more intuitive names
1729    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
1730      if bulk formulae are used in long integration (especially EmPmR). Turn
1731      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
1732      if balancePrintMean, the imbalance that is substracted is printed to
1733      STDOUT.
1734    o fix bug (typo) in obcs_apply_eta.F
1735    o add a new package shelfice which enables us to model the circulation
1736      underneath shelf-ice with draughts of hundreds of meters.
1737     - works
1738     - to do: + include improved thermodynamics
1739              + check whether kSurfC (from model/inc/SURFACE.h) can be used
1740                instead of new field kTopC
1741              + can we use topoFile, Ro_surf and existing code in ini_depth.F
1742                instead of new field R_shelfIce and new code in ini_depth.F
1743                and ini_mask_etc.F?
1744              + adjust vertical mixing schemes?
1745    o seaice pkg:
1746     - add a cpp-flag to include a simple formula for a salinity dependent
1747       freezing point of sea water at the surface
1748     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
1749       meridional stresses are now different (and hopefully correct)
1750    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
1751       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
1752       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
1753    o pkg/diagnostics: add options and parameters for regional-statistics
1754       diagnostics ; define regions by reading a region-mask from a file
1755       (might add other options later)
1756    o pkg/bulk_force:
1757     - add option and parameters to use AIM surface-flux formulae.
1758     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
1759       others forcing fields (defined in PARM05, parameter file "data") are loaded
1760       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
1761     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
1762     - use the right EXCH call for uwind,vwind (to work on CS-grid).
1763     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
1764       and parameters (note: calcWindStress replaces .NOT.readwindstress).
1765     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
1766    
1767    checkpoint58
1768    o add "--embed-source" option to genmake2 which, when the supporting
1769      tools can be compiled (as determined by genmake2) will turn on the
1770      embed_files package which then embeds the entire MITgcm source code
1771      (*.[fFhc] + Makefile) used for the build within the executable
1772      - requested by CNH but off by default
1773      - adds a paltry <9MB to the mitgcmuv executable in most cases
1774      - only writes the output when useEMBEDSRC in eedata is true
1775    o clean up 3-dim. relaxation codes:
1776      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
1777      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
1778      * Thanks to Tom Haine for testing!
1779    
1780    checkpoint57z_post
1781    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
1782      affects output (@ truncation level) of exp. plume_on_slope ; updated.
1783    o fix the pickup behavior for obcs in combination with ptracers
1784    o fix a bug in ptracers_external_fields_load
1785    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
1786      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
1787    o transfered surface NH pressure to eta field (if exactConserv).
1788    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
1789         and update lab_sea output.txt file.
1790    o completing 3-dim. relaxation code: additional term
1791         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
1792      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
1793      * At compile time, in "EXF_OPTIONS.h" set
1794          #define  ALLOW_CLIMTEMP_RELAXATION
1795          #define  ALLOW_CLIMSALT_RELAXATION
1796      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
1797          tauThetaClimRelax3Dim = 15552000.0,
1798          tauSaltClimRelax3Dim  = 15552000.0,
1799      * 3 cases:
1800          1) Use a constant-in-time 3-dim. field
1801          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
1802          3) Real-time relax. to time-evolving prescribed field
1803    o Adding Laplacian-type smoothness constraint on
1804      initial and boundary (forcing) controls (ic, bc)
1805      * enable at compile-time via
1806        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
1807      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
1808      * Absolute scale somewhat unclear so far
1809      * no area weighting was included since no other cost term does so far
1810    
1811    checkpoint57y_post
1812    First step for a NLFS adjoint
1813    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
1814    o new init. routines for calc_r_star, calc_surf_dr
1815    o still need to deal with ini_masks_etc
1816    o testreport seemed happy
1817    checkpoint57y_pre
1818    
1819    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
1820    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
1821    o add new offset feature to offline pkg (plus minor cleanup)
1822    o cfc fixes for final year of integration
1823    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
1824      be in GCHEM_OPTIONS).
1825    
1826    checkpoint57x_post
1827    o fix testreport Pb in multiple test experiment.
1828    o cleanup our namelist syntax in verification:
1829      - make it more F95 standards compliant (some work still needed)
1830      - allows the vast majority of our tests to work with gfortran
1831    o Non-Hydrostatic:
1832     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
1833     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
1834    o Allow to apply AB on T,S rather than on AB(gT,gS):
1835     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
1836     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
1837       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
1838     - need a "clever" read_pickup to restart from the other AB formulation
1839    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
1840    o remove some unused variables (reduces number of compiler warnings)
1841    o adjoint
1842      * Disable useVariableViscosity for adjoint for time being
1843        (there are a number of extensive recomputations)
1844      * Initialize certain variables needed for adjoint
1845    
1846    checkpoint57w_post
1847    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
1848                 fix the singleCpuIO RS version of MDSWRITEFIELD
1849       and add a WARNING if using globalFiles=T with multi-processors.
1850    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
1851      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
1852    o tracer advection scheme:
1853      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
1854       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
1855       was not very convenient).
1856      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
1857       (further tests needed for the implicit DST & Flux-Limiter schemes).
1858    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
1859      and sRef for convenience, handy, when you want to initialize
1860      ptracers in a large domain with a constant non-zero value. Also,
1861      untangle ptracers_init.F a little.
1862    
1863    checkpoint57v_post
1864    o change dome exp. to use variable viscosity in side-drag terms.
1865    o remove all the files from the cfc_offline test since they are now
1866      incorporated into tutorial_cfc_offline which has been producing
1867      identical results for a few days of testing
1868    o add new parameter: sideDragFactor to enable half-slip-side BC
1869      and change side-drag S/R to use viscosity from mom_calc_visc
1870      (can switch back by setting sideDragFactor=0.); affects results at
1871      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
1872       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
1873    o vorticity & strain are now computed without masking, to account for
1874      no-slip-side BC in variable viscosity calculation ; mask is applied
1875      anyway later on, before computing advection/coriolis terms.
1876    o modify exp4 to test new obcs support for reading from external files
1877      and for passive tracers
1878    o fix behavior of ptracers_monitor when monitor output is written to a
1879      netcdf-file; still not independent of monitor.F (writes in the same
1880      file).
1881    o change default value of tRef (put a uniform, meaningful value for ocean
1882      & atmos) and initialize sRef (was missing, as Martin mentioned).
1883    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
1884      to be proportional to enstrophy dissipation length.  Thus,
1885       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
1886      This is now consistent with Smagorinsky and with the manual.
1887    
1888    checkpoint57u_post
1889    o OBCS and PTRACERS: add open boundary support for passive tracers
1890      - either use homogenous (pseudo) v.Neumann conditions or prescribe
1891        OB-values from file; this is not different from the way theta and salinity
1892        are treated
1893      - however, Orlanski-radiation conditions are not supported, and the model
1894        will stop if you use pTracers and Orlanski at the same time.
1895      - beefed up the rountine obcs_external_fields_load: now only those open
1896        boundary values are overwritten with values from files for which there
1897        are really files, otherwise the OB-fields remain untouched. This makes
1898        it possible to use different OBs at different ends of the domain (as
1899        with EXF)
1900    o reduce number of exch calls in shap_filt (s2).
1901    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
1902      truncation level) 4/5 MLAdjust test results (11&12 digits match).
1903    
1904    checkpoint57t_post
1905    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
1906    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
1907      same truncation, independent of the face number: affects affects several
1908      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
1909    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
1910      note that biharmonic viscosity + no-slip was not tested in any experiment.
1911    o fix bug in non-linear free-surf side-drag ; generate new output for
1912      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
1913    o make mnc honor the writeBinaryPrec flag for most kinds of output
1914    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
1915    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
1916      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
1917    o add brackets in multi-terms sum to get same truncation, independent of
1918      the face number (manage to get exactly same value of gU,gV at the cs-edge)
1919      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
1920    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
1921      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
1922      a maximum grid-scale Reynolds number.  Also, changes all length calculations
1923      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
1924      Suggested values of viscosity parameters found in mom_calc_visc.
1925      Many new viscosity diagnostics available.
1926    
1927    checkpoint57s_post
1928    o Add clearing-house for viscosity calculations, mom_calc_visc and
1929      correct numerous bugs in LeithD and Smagorinsky discretizations.  
1930      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
1931      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
1932      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
1933      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
1934      The Strain-Tension form is now called with useStrainTensonVisc=.true.
1935      ViscAhStrain and viscAhTension are now retired.
1936    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
1937    o In response to JMC's bug report, genmake2 now ignores any soft-links
1938      that it finds in the *current* directory when searching for files.
1939      Soft-links found in any other source directories will still work as
1940      they did before.
1941    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
1942      a C routine to unlimit the stack size
1943    o mnc-ify pkg/aim snapshot vars
1944    o mnc-ify pkg/land as requested by Daniel
1945    o various changes to mnc including:
1946      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
1947      - output can now be grouped so that all files within a group
1948          change the ITER portion of their names in lock-step together
1949      - can now read ("global") PER-FACE (in addition to PER-TILE) files
1950          and works with both EXCH1 and EXCH2 (but needs more testing)
1951      - writing works for all verification test cases w/ g77 on Linux
1952    
1953    checkpoint57r_post
1954    o make MNC variable initialization happen earlier
1955    o add diagnostics for (almost) each term of the momentum Eq.
1956    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
1957    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
1958    o remove MINIMAL_TAVE_OUTPUT option ;
1959      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
1960    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
1961      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
1962    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
1963    o add time-dependent SST, SSS control
1964    o cost terms in ecco/ modularized (new cost_generic.F)
1965    o cost_averages routines are modularized (new cost_averagesgeneric.F)
1966    o new infrastructure for seaice model vs. obs misfits in seaice/
1967      * driver from the_main_loop.F is seaice_cost_driver.F
1968      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
1969      * gradient check in Exp. 6a of natl_box_adjoint/
1970    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
1971      (see README file)
1972    
1973    checkpoint57q_post
1974    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
1975    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
1976      - bug was reported by Jean-Michel and Ian Fenty
1977    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
1978      update exp. cpl_aim+ocn output.
1979    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
1980      Needed for high-res. runs with large global files
1981      to be able to limit tapelev size
1982    o Changed some tests for adjoint:
1983      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
1984      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
1985      * global_ocean.90x40x15/ back to default 3-level checkpointing
1986    o Modifications to enable scripted COMMON to MODULE conversion
1987      * verification/OpenAD/code/ has necessary scripts and description;
1988      * converts, compiles and runs successfully;
1989    
1990    checkpoint57p_post
1991    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
1992    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
1993      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
1994    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
1995    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
1996      (was already the case for dissipation with mom_vecinv,
1997       and also the case for grad.PhiHyd when staggered-timeStep)
1998      This will allow to put dissipation out-off the AB time-stepping.
1999     Unfortunately, affects truncation error. Update output of exp. that "fails"
2000      (cg2d matching number) and leave the others for later: front_relax(10),
2001      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
2002      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
2003    
2004    checkpoint57o_post
2005    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
2006      (2) its ready to be documented during the 20050801 DocFest
2007    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
2008      for ideal_2D_oce and lab_sea on linux_ia32_g77
2009    o set to #undef CTRL_SET_OLD_MAXCVARS_30
2010      in global1x1_tot/code_seaice_adj to access indices 32, 33
2011      (worth another tag)
2012    
2013    checkpoint57n_post
2014    o adding precip control xx_precip 32
2015    o adding swflux control xx_swflux 33
2016    o Replacing 10 forcing penalty cost routines by 1 generic.
2017    o Implementing partitioning in time-mean and variable adjustment
2018      for atmos. state.
2019    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
2020  o in natl_box_adjoint:  o in natl_box_adjoint:
2021    * updated: results_bulk/    * updated exp 1 to 10
2022    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
2023    o updated global1x1/*_seaice_adj/
2024      to incorporate latest changes
2025    o enable useSingleCpuIO for mdsio vector routines
2026      (applies in particular to tapelev I/O)
2027    o removed inefficient K-loop in all active_file*control*.F
2028    
2029  checkpoint57m_post  checkpoint57m_post
2030  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 2607  o add two new packages
2607    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2608    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2609      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2610      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2611  o add offline package  o add offline package
2612  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2613    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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