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revision 1.7 by adcroft, Mon Jun 22 16:24:50 1998 UTC revision 1.194 by dimitri, Thu Oct 23 07:14:48 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    
7    
8    checkpoint51n_post
9    o modifications to make FREEZE flux visible to pkg/kpp
10      - moved surfaceTendencyTice from pkg/seaice to main code
11      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
12      - subroutine FREEZE now limits only surface temperature
13        (this means new output.txt for global_ocean.90x40x15,
14         global_ocean.cs32x15, and global_with_exf)
15    o added surface flux output variables to TIMEAVE_STATVARS
16    
17    checkpoint51n_pre
18    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
19    o added [#include "AD_CONFIG.h"] to all files that use the following
20      defines:
21      - ALLOW_ADJOINT_RUN
22      - ALLOW_TANGENTLINEAR_RUN
23      - ALLOW_ECCO_OPTIMIZATION
24    
25    checkpoint51m_post
26    o incorporating changes to get TAMC/TAF working in genmake2
27      - added new TAMC/TAF targets to the Makefile
28      - various cleanups related to package handling
29      - these changes should have no impact on the forward model
30    
31    checkpoint51l_post
32    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
33     - faster algorithm for cal_addtime.F
34     - higher precision arithmetic, where needed
35     - pkg/exf *startdate variables changed from calendar date to
36       model integration time
37    
38    checkpoint51l_pre
39    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
40    o enable to apply restoring on S & T only in a latitude band.
41    o update output (external_forcing_surf modif. change truncation errors)
42       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
43    
44    checkpoint51k_post
45    o change default to: useNHMTerms=.FALSE.
46     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
47       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
48     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
49        exp1, ideal_2D_oce
50     - change data file of oceanic exp (leave the results unchanged for now)
51       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
52    o set gravitySign automatically according to the vertical coordinate used
53      (and change sign: back to "logical" value: +1 when R increases downward)
54    o added an include barrier to the default CPP_OPTIONS.h and
55      removed the #include "PACKAGES_CONFIG.h" from it
56    o fix a bug in mom_fluxform (from chk51j_post)
57    
58    checkpoint51j_post
59    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
60    o adjusted some flow directives (dynamics, thermodynamics)
61    o added cubed-sphere case to test cost function
62    o heckpoint_lev?_directives.h now include
63      pkg-specific directives, whenever those are enabled.
64    o Moving pkg-specific flow directives to corresponding pkg
65      Moving pkg-specific differentiation list to corresponding pkg
66      Moving pkg-specific checkpoint-lev storing to corresponding pkg
67      ---> conventions are
68           - pkg_ad.flow
69           - pkg_ad_diff.list
70           - pkg_ad_check_lev?_dir.h
71    
72    checkpoint51i_post
73    o merge of the branch-genmake2
74      - knowingly breaks the older genmake
75      - automatic generation of all ALLOW_${PKG_NAME} defines
76      - new testreport supersedes older testscript
77    o large number of package inclusion and header cleanups
78    checkpoint51i_pre
79    
80    o new output for adjoin of global ocean vector invariant
81    o fix for checkpoint of thermodynamic seaice and bulk_force
82    o Steph gchem various cleanups
83    
84    checkpoint 51h_pre
85    o fixed some single quotes
86    o modify gchem pkg to be more versatile
87    o modifications to clean up dic pkg
88    o add pkg/cfc
89    
90    checkpoint51g_post
91    o provide links for ARPACK and ADM*TLM
92    o start removing verification/vero/
93    o update AD-related stuff
94      (in particular some IF-statements in model/src/ routines)
95    o adding to verification/global_ocean.90x40x15/ adjoint of
96      vector invariant setup
97    
98    checkpoint51f_post
99    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
100    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
101      of tracer Green's fucntions for ocean inversion project.
102    
103    checkpoint51f_pre
104    o Added on-the-fly spatial interpolation capability
105        "USE_EXF_INTERPOLATION" to pkg/exf.
106      - This is a temporary Cartesian-grid hack until
107        the super-duper ESMF coupler becomes available.
108      - See verification/global_with_exf/README for usage example.
109      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
110        flags and modified pkg/seaice accordingly.
111    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
112        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
113        non-local transport term.
114    
115    checkpoint51e_post
116    o pkg/mom_vecinv:
117      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
118      - add time-ave diagnostic of vorticity advection.
119    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
120    o atmospheric geopotential: - include water vapor effect;
121                                - use p^kappa in p* scaling.
122    o land pkg: read initial state from files.
123    o AIM : add stratospheric drag in the upper level
124    
125    checkpoint51d_post
126    o change function ILNBLNK (=> last non-blank char.) to return zero
127      (instead of the string length) when the string. char is empty
128    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
129    o modif's to restore TAMC compatibility
130      - avoid "_d" constructs in PARAMETER declarations
131      - avoid interrupting lines by comment lines
132    o Use cluster local disks for purely local I/O
133      vs. globally visible disks needed for ctrl stuff
134      (merged from ecco-branch)
135      - new active_file_loc... and mdsio_..._loc routines
136      - affected packages: autodiff, ctrl, grdchk, mdsio
137    
138    checkpoint51c_post
139    o introducing integer flag debugLevel
140      - debLevZero: suppress all output
141      - debLevA: standard
142      - debLevB: equivalent to current debugMode=.TRUE.
143    o introducing pathname variable mdsioLocalDir for mdsio
144      that can be specified at runtime
145      (relevant for cluster I/O to local disk)
146    `
147    >>>checkpoint51b_post
148    adjoint of ptracers
149    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
150    o extended state in checkpoint_lev?, etc.
151    o alternative ctrl/cost with tr1 or ptracer
152    o new comlev1_bibj_ptracers
153    o new ptracers.flow
154    o made ptracers_forcing same as external_forcing_s
155    o added verification for adjoint with ptracers
156      - adm. grdchk fail so far
157      - tlm. grdchk OK
158      - checked tapelev/comlev recomputations: OK
159    <<<checkpoint51b_pre
160    
161    checkpoint51a_post
162    o added code for biogeochemistry package
163      - new pkgs: dic, gchem
164      - new subroutine in ptracers
165    o modify code for biogeo packages
166      - in model/src and pkg/ptracers
167    
168    checkpoint51
169    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
170      - autodiff, ctrl, exf, grdchk, seaice
171      kept separate packages
172      - cost, ecco, obcs
173    o updating verification/internal_wave, verification/lab_sea
174      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
175    
176    checkpoint50i_post
177    o Preparing next differentiable checkpoint and sync
178      of MAIN vs. ecco-branch
179      - 1st step: this one is differentiable
180      - 2nd step: next(! not this) checkpoint will have updated packages
181                  from ecco-branch)
182    
183    checkpoint50h_post
184    o new package "land": provide surface BC for AIM.
185    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
186    o AIM: use true log-P extrapolation for near surface temp (= as in
187        F.Molteni paper) ; update aim.5l_cs output.
188    o New variable in PARM03 for more flexible pickups
189    o somewhat cleaned package initialisation sequence for
190      ctrl/ cost/ ecco/ in packages_... routines
191    
192    checkpoint50g_post
193    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
194      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
195      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
196        made the default because of faster convergence than ADI
197    
198    checkpoint50f_post
199    o exf totally restructured
200      - replaced all exf_set_ routines by one generic exf_set_gen.F
201        and made sure it's still differentiable
202      - split exf_getffields.F into new exf_bulkformulae.F
203      - exf_inscal_/exf_outscal_ suffixes consistent with field names
204      - updated adjoint/makefile and relevant verif. accordingly
205    
206    checkpoint50f_pre
207     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
208          + change Evap over land. (update aim.5l_cs output)
209     o added missing .cvsignores and made uniform across expts
210     o changed configuration of tidal_basin_2d expt
211     o added pkg/debug functions for tracing code in fatal crashes
212     o tidied pkg/monitor to use MONITOR_OPTIONS.h
213     o new fn in pkg/monitor to stop model if solution grows too big
214     o removed lots of single quotes from comments
215    
216    checkpoint50e_post
217    o make KPP work with PTRACERS
218     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
219       nearly a copy of kpp_transport_s
220     - there is no analogue to SurfaceTendencyS, so I have to use
221       gPtr(of the surface layer) instead
222    o add a new platform SunFire+mpi (SunFire 15000) to genmake
223    checkpoint50e_pre
224    
225    checkpoint50d_post
226    o change kpp output from multiple-record state files to single-record state
227      files analogous to write_state.F
228    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
229      analogous to the cg2d-related output.
230    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
231      so that writing to internal file fn (with length 512) fails.
232    checkpoint50d_pre
233    
234    checkpoint50c_post
235    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
236    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
237    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
238    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
239    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
240    
241    checkpoint50c_pre
242    Merging from release1_p13:
243    o bug fix for pkg/seaice dynamic solver
244    o Added SEAICE_initialHEFF to pkg/seaice
245    
246    checkpoint50b_post
247    o store u*,v* in gU,V instead of in guNm1,gvNm1
248    o in order to put the momForcing out of the Adams-Bashforth:
249      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
250      to timestep.F
251    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
252    o re-generate output for highly sensitive test-exp:
253       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
254    
255    checkpoint50b_pre
256    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
257    o corrected CPP option mismatch in exf_Bulk... functions for case
258      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
259    
260    checkpoint50a_post
261    o Bug fix for merging between c50 and KPP.
262      ikey was passed from thermodynamics to kpp_calc via
263      common block rather than being recomputed in kpp_calc,
264      in contradiction with new key itdkey.
265      New key ikppkey created, and tamc.h headers updated.
266    
267    checkpoint50
268    - 2nd step of merge with ecco-branch:
269      merge changes in ecco-branch back into main trunk
270    - bug fix in find_alpha
271    - more storing in gmredi_calc_tensor.F, kpp_routines.F
272    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
273    - merged some sliced AD support routines
274    
275    checkpoint49
276    merged from ecco-branch:
277    o exf:
278      - Enable initialisation of forcing fields to constant
279        (runtime) values.
280      - in exf_getffields.F
281        Reduce i-/j-loop to interior domain, discarding overlaps.
282        That also fixes wrong TAF-key computations for key_1, key_2
283        with bulf formulae.
284      - exf_init.F modify #ifdef for exf_init_evap
285      - exf_getffieldrec.F, ctrl_getrec.F
286        The following INT-usages are not safe:
287          fldsecs  = int(fldsecs/fldperiod)*fldperiod
288          fldcount = int(fldsecs/fldperiod) + 1
289        and were modified.
290    o autodiff: checkpoint_lev...
291      - updated storing for bulk formulae (some arrays were missing)
292      - added state for seaice package
293      - synchronized with main branch
294    o DIVA:
295      Modif.s in
296      - the_main_loop.F
297      - the_model_main.F
298      and added cost_final_restore.F cost_final_store.F
299      o With these changes, it is possible to fully separate
300        the first forward run to compute the cost function (mdthe_main_loop)
301        and adjoint runs over individual DIVA intervals (adthe_main_loop)
302        into separate model executions.
303        This enables better tuning of DIVA to given queue sizes.
304      o Loss of cost function value in consecutive DIVA runs is
305        fixed by storing to 'costfinal' file.
306      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
307        beginning/end of adjoint integration is accounted for.
308      The current changes apply to TAF-1.4.26.
309      TAF has one remaining bug, requiring one manual change
310      (see MITgcm manual).
311    o cal: synchronized between MAIN and ecco-branch
312    
313    checkpoint48i_post
314    o Changes to restore differentiability of code w.r.t. previous tag
315      (mostly adding new routines to make list and replacing
316      pressure by totPhiHyd).
317    o Updated and merged grdchk package
318      - has both ADM and TLM checks
319      - works for single- and multi-proc.
320      - output cleaned
321      - worked successfully for parallel DIVA
322    o genmake:
323      - Adding -platform=SP4
324      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
325    o Modif. for DIVA:
326      ctrl_unpack should not be called in intermediate DIVA interval.
327      (similar thing would apply for active files such as
328      tbar, sbar, psbar, which should not be reinitialised;
329      only relevant for ecco-branch)
330    
331    checkpoint48h_post
332    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
333    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
334    o Added SEAICE_initialHEFF to pkg/seaice
335    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
336    
337    checkpoint48g_post
338    --- EOS:
339    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
340      store total Potential in totPhyHyd for diagnostics & EOS.
341    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
342    --- Pressure/geopotential gradient:
343    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
344    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
345      ( changes results of global_ocean_pressure )
346    o NLFS + z-coord.: add eta*Rho' contribution.
347    o accurate phiHyd when using interface-W at the middle between 2 centers
348     ( changes results of ideal_2D_oce )
349    o includes r* 2nd term in potential gradient.
350    
351    checkpoint48f_post
352    Merging from release1_p12:
353    o Modifications for using pkg/exf with pkg/seaice
354      - improved description of the various forcing configurations
355      - added basic radiation bulk formulae to pkg/exf
356      - units/sign fix for evap computation in exf_getffields.F
357      - updated verification/global_with_exf/results/output.txt
358    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
359      (SBO) core products, including oceanic mass, center-of-mass,
360      angular, and bottom pressure (see pkg/sbo/README.sbo).
361    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
362      to avoid negative values in shallow regions.
363      - updated verification/natl_box/results/output.txt
364      - updated verification/lab_sea/results/output.txt
365    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
366    o Added useSingleCpuIO option (see PARAMS.h).
367    o Updated useSingleCpuIO option in mdsio_writefield.F to
368      work with multi-field files, e.g., for single-file pickup.
369    o pkg/seaice:
370      - bug fix in growth.F: QNET for no shortwave case
371      - added HeffFile for specifying initial sea-ice thickness
372      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
373    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
374      kpp_transport_t.F, forward_step.F, and the_main_loop.F
375    o pkg/seaice:
376      - adjoint-friendly modifications
377      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
378    
379    checkpoint48e_post
380    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
381    o dynamics: change definition of computational domain & adapt mom_fluxform
382      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
383    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
384        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
385        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
386        global_ocean.90x40x15 global_with_exf global_ocean_pressure
387        inverted_barometer solid-body.cs-32x32x1
388      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
389    
390    checkpoint48d_post
391    o in preparation for r*:
392     a) use pre-computed gradient of hydrostatic potential:
393        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
394     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
395        => affects results of glob_oce_pressure (different truncation error)  
396      update output.txt of ideal_2D_oce & global_ocean_pressure
397    
398    checkpoint48d_pre
399    o in preparation for r*:
400      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
401      pass the 2 comp. of the grad. as arguments to momentum S/R.
402      but for the moment, only used if it does not change the results.
403    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
404    
405    checkpoint48c_post
406    Modifications in treatment of initial flux forcing controls
407    to avoid extra storing of flux fields.
408    
409    checkpoint48c_pre
410    o Added tidal_basin_2d experiment (currently 1D!)
411    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
412    
413    checkpoint48b_post
414    o r* coordinate added in #ifdef NONLIN_FRSURF block.
415     (modification to pressure gradient not yet implemented)
416    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
417      (for U & V) that are used for vertical advection of momentum.
418    
419    checkpoint48a_post
420    o In preparation for r*, use temp. array to compute vertical transport
421       in flux-form momentum pkg. => change results of few test-exp.
422      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
423                        lab_sea, natl_box & plume_on_slope
424    
425    checkpoint48
426    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
427    
428    checkpoint47j_post
429    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
430    o moved adexch from forward_step to addummy_in_stepping
431    o added exch in ctrl_map_...
432    o aveFreq.=0. at end of cost_final to avoid overwrite in
433      reverse checkpointing loop
434    o Yet more changes in gmredi:
435      * adgmredi_calc_tensor
436        avoiding all recomputation of gmredi_slope_limit
437      * adgmredi_x/y/rtransport
438        added flag for excessive storing to avoid recomp. of
439        u/v/rtans, dTdx/y/z
440        -> this is not really necessary and very memory-consuming
441      * adgmredi_slope_psi:
442        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
443      * gmredi_slope_limit
444        re-activated full calculation of taperfct for case 'ac02'
445    o updating verification/ adjoints of carbon, global_ocean.90x40x15
446    
447    checkpoint47i_post
448    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
449    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
450      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
451    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
452    o gmredi: fix few bugs.
453    
454    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
455    This will be a good checkpoint to plug into the ecco-branch.
456    o few modif.'s to get latest version adjointed
457      (mainly kick out code in ini_linear_phisurf)
458    o modif's to run adjoint with exactConserv
459    o case GM_BOLUS_ADVEC should be cleaned
460      S/R gmredi_slope_psi should be cleaned
461    o verification/carbon now has exactConserv=.TRUE.
462    
463    checkpoint47g_post
464    o time-average AIM output: becomes independent from statvars time-average
465      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
466    o After TAF bug fix:
467      Tested adjoint of gmredi package.
468      Tests were done with checkpoint47 rather than with latest
469      checkpoint47f_post since the latter is broken for the adjoint
470      verification/carbon/ contains both ADM and TLM gradient checks.
471    Here they are, before they get changed/lost/stolen.
472    Mostly modif.'s to fix numerical sensitivities.
473    Gradient checks OK for
474    - GM_taper_scheme:
475      * clipping
476      * ac02
477      * linear
478      * glw91
479      * dm95
480      * ldd97
481    - GMREDI_OPTIONS:
482      * GM_VISBECK_VARIABLE_K
483      * GM_NON_UNITY_DIAGONAL
484      * GM_EXTRA_DIAGONAL
485      * GM_BOLUS_ADVEC
486    in conjunction with data.gmredi parameters to be checked in
487    in a few minutes under verification/carbon/code/
488    
489    checkpoint47f_post
490    Merging from release1_p10:
491    o modifications for using pkg/exf with pkg/seaice
492      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
493        and SEAICE_EXTERNAL_FLUXES
494      - pkg/exf CPP options EXF_READ_EVAP and
495        EXF_NO_BULK_COMPUTATIONS
496      - usage examples are Experiments 8 and 9 in
497        verification/lab_sea/README
498      - verification/lab_sea default experiment now uses
499        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
500    
501    checkpoint47e_post
502    o created a tag prior to creating a branch
503    
504    checkpoint47d_post
505    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
506      at the bottom boundary had an erroneous half slip boundary condition
507    o added bottom drag and no slip boundary condition capabilities to
508      oceanic pressure coordinates code
509    o added new verification experiment global_ocean_pressure, this experiment is
510      also described in the tutorial section of the manual
511    checkpoint47d_pre
512    
513    checkpoint47c_post
514    o Added a verification experiment for a global cubed-sphere ocean run
515      -  verification/global_ocean.cubed32x32x30
516      -  uses pkg/therm_seaice and pkg/bulk_forcing
517    
518    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
519    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
520      when using P-coordinate; only implemented for atmospheric config.
521    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
522      NOTES: requires option NONLIN_FRSURF to be "#define".
523    o update advect_xz/results/output.txt (left from checkpoint44g_post)
524    
525    checkpoint47b_post
526    Merging from release1_p9:
527    o pkg/seaice
528      - removed GOTO's and added taf directives
529      - double precision constants to reduce the g77 (Linux)
530        to F77 (SGI) differences reported in release1_p8
531    o tools/genmake
532      - added SGI options
533    o verification/testscript
534      - updated to that of checkpoint47a_post
535    o verification/global_ocean.90x40x15/input/eedata
536      - modified for SGI f77 compatibility
537    o verification/lab_sea
538      - added description of sea-ice model
539      - added missing matlab routines
540      - added test of thermodynamics parallelization
541    
542    checkpoint47a_post
543    o new pkg: aim_v23
544     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
545       for now, keep the same surface forcing as before.
546     - Part-Cell implemented into AIM; check that Heat & Water are conserved
547     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
548     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
549    o add diagnostic of surface correction term in monitor output
550    
551    o bulk_force and therm_seaice
552    - Two packages:  bulk_force (Bulk forcing)
553      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
554    - Earlier integration from Stephaine Dutkiewicz
555      and Patrick Heimbach.
556    - Two ifdef statements for compile time,
557       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
558    
559    checkpoint47
560    differentiable version of checkpoint46n_post
561    o bug fix in quasihydrostaticterms
562    o * "clean" adjoint code (in terms of extensive recomputations)
563        can now be obtained for all GMREDI options (i.e. for
564        - GM_VISBECK_VARIABLE_K
565        - GM_NON_UNITY_DIAGONAL
566        - GM_EXTRA_DIAGONAL
567        - GM_BOLUS_ADVEC )
568      * However, wrong gradient check problem remains unsolved.
569      * New CPP options have been introduced for different
570        tapering schemes
571    o external_fields_load now part of differentiation list
572    o pressure needs multiple storing;
573      would be nice to have store_pressure at beginning or
574      end of forward_step, e.g. by having phiHyd global (5-dim.)
575      (NB: pressure is needed for certain cases in find_rho,
576      which is also invoked through convective_adjustment).
577    o recomputations in find_rho for cases
578     'JMD95'/'UNESCO' or 'MDJWF' are OK.
579    o #define ATMOSPHERIC_LOADING should be differentiable
580    o ini_forcing shifted to begining of initialise_varia
581    o Incorporating QNVS line search routines into MITgcm
582      (this is separate code, and therefore not under pkg)
583      lsopt/, optim/
584    o Updated verification/carbon/
585      - #define GM_VISBECK_VARIABLE_K
586      - GM_taper_scheme    = 'ldd97'    
587    
588    checkpoint46n_post
589    Merging from release1_p8:
590    o verification/natl_box:
591      updating new external_fields_load routine
592    o New package: pkg/seaice
593      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
594      The sea-ice code is based on Hibler (1979-1980).
595      Two sea-ice dynamic solvers, ADI and LSR, are included.
596      In addition to computing prognostic sea-ice variables and diagnosing
597      the forcing/external data fields that drive the ocean model,
598      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
599      The implied surface heat flux is then stored in variable
600      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
601      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
602      non-local transport term.  Because this call precedes model
603      thermodynamics, temperature under sea-ice may not be "exactly" at
604      the freezing point by the time theta is dumped or time-averaged.
605      N.B.: fairly large differences in accuracy occur across
606            different platforms/compilers; comparison between
607            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
608            generated output gives:
609       T           S           U           V
610      C D M    c        m  s        m  s        m  s        m  s
611      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
612      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
613      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
614    
615      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
616    o GAD:
617      - generated new common blocks to account for call of
618        same gad routines with differing traceridentities
619        (needed to modify tracerIdentity indices in GAD.h)
620      - generated separate common blocks for case useCubedSphereExchange
621        (Department of Futurology)
622      - parameter lists to gmredi_?transport: added tracerIdentity
623      - added new key indices to tamc.h
624    o external_fields_load:
625      - added this routine to TAF list
626      - needed to make some common blocks global and additional storing
627        along the same lines as exf package (checkpoint_lev?_directives.h)
628    o exf:
629      updated external forcing package
630      - bug fixes carried over from ecco-branch
631        (missing OBCS_OPTIONS.h in two routines)
632      - enable easy to use "no forcing".
633      - added exf I/O for atmospheric loading
634      - added exf I/O for runoff data
635      - transfered scaling between exf <-> MITgcm to exf namelist
636    o Adding new verification experiment global_with_exf.
637      This verification experiment is almost identical to the
638      global_ocean.90x40x15 experiment, except that it uses
639      the exf (and cal) package instead of the
640      external_fields_load routine (cf README file).
641    
642    checkpoint46m_post
643    o modified testscript to return -- when there are no lines of "%MON" output
644    o added new flag "quasiHydrostatic" for QH mode
645      and new routine quasihydrostaticterms()
646    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
647      New routine: mom_u_coriolis_nh()
648    o fixed sign of non-hydrostatic metric terms in u and v equations.
649      Depend on correct sign of gravitySign.
650    o added work.pc* to .cvsignore in aim directories using ifc
651    o introduced flag for controllin non-hydrostatic metric terms
652    o removed gravitySign from PARM04
653    o switched to g77/ifc from pgf77 in aim experiments
654    
655    checkpoint46l_post
656    o made convective adjustment work with pressure coordinates:
657     - changed the direction of k-loop in convective_adjustment.F for the
658       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
659     - adjusted the reference pressure k-index in convective_adjustment.F
660     - adjusted the convection condition in convect.F (in analogy to
661       calc_ivdc.F)
662     - convective_adjustment no longer computes anything on the halos
663     - removed the warnings about negative salinity from find_rho.F and
664       find_alpha.F; instead the new routine look_for_neg_salinity, called
665       at the beginning of find_rho, find_alpha, and find_beta, does a
666       check of the entire slice, if CPP-option
667       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
668    checkpoint46l_pre
669    
670    checkpoint46k_post
671    o fixed the verification/global_ocean.90x40x15 experiment:
672     - new bathymetry (the world according to A., JMC, and M.)
673     - new initial fields and forcing fields (*.bin files)
674     - new POLY3.COEFFS (for the next release one should switch to a full
675       equation of state: JMD95P or MDJWF)
676     - fixed several errors and redundancies in the data file
677     - experiment uses looped cells
678     - added matlab directory with diagnostic scripts for plotting of output
679    
680    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
681     - read AIM physics parameters from a file (data.aimphys)
682     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
683    
684    checkpoint46j_post
685    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
686    o move wVel computation at the end of the time step, in S/R integr_continuity
687    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
688    o update timeave pkg for wVel diagnostic.
689    checkpoint46j_pre
690    
691    checkpoint46i_post
692    o Clean up AIM package (and keep the results unchanged):
693      include CPP_OPTION and use IMPLICT NONE in all routines ;
694      declare all the variables _RL ; use _d 0 for all numerical constants.
695      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
696    
697    checkpoint46h_post
698    o cleaned up the use of rhoNil and rhoConst.
699      - rhoNil should only appear in the LINEAR equation of state, everywhere
700        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
701        and the dynamical equations are all divided by rhoConst
702    o introduced new parameter rhoConstFresh, a reference density of fresh
703      water, to remove the fresh water flux's dependence on rhoNil. The default
704      value is 999.8 kg/m^3
705    o cleanup up external_forcing.F and external_forcing_surf.F
706      - can now be used by both OCEANIC and OCEANICP
707    checkpoint46h_pre
708    
709     Added code to convert surface volume flux (fresh water) into
710     a mass flux when using P coordinates in the ocean (OCEANICP).
711     Note: It assumes you have set rho0=rhoConst=density of fresh water.
712    
713    checkpoint46g_post
714    o Include a new diagnostic variable phiHydLow for the ocean model
715      - in z-coordinates, it is the bottom pressure anomaly
716      - in p-coordinates, it is the sea surface elevation
717      - in both cases, these variable have global drift, reflecting the mass
718        drift in z-coordinates and the volume drift in p-coordinates
719      - included time averaging for phiHydLow, be aware of the drift!
720    o depth-dependent computation of Bo_surf for pressure coordinates
721      in the ocean (buoyancyRelation='OCEANICP')
722      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
723        Theta, Salinity, and Pressure in the parameter list. This routine is
724        presently contained in find_rho.F. This routine does not give the
725        correct density for 'POLY3', which would be a z-dependent reference
726        density.
727    o cleaned up find_rho
728      - removed obsolete 'eqn' from the parameter list.
729    o added two new verification experiments: gop and goz
730      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
731    checkpoint46g_pre
732    
733    checkpoint46f_post
734    o Enable tangent linear (forward mode) gradient checks:
735      - extended active file handling to g_... files
736      - added TANGENT_SIMULATION to theSimulationMode
737      - extended grdchk package accordingly
738    o added tangent linear setup in verification/carbon/code_ftl
739    o added adjoint setup in verification/front_relax/code_ad
740    
741    checkpoint46e_post
742    o Added new equation of state -> MDJWF
743      - EOS of McDougall et al., 2002, JAOT, submitted
744      - caveat: the equation of state is only valid for a smaller (more
745        realistic?) range of values than JMD95P/Z and UNESCO
746      - added masks to the calculation of pressure in store_pressure
747      - added more check values for density in check_eos (ini_eos.F), some of
748        the old check values are out of the range of the MDJWF-eos, so don't
749        expect perfect matches for those
750    checkpoint46e_pre
751    
752    checkpoint46d_post
753    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
754      'OCEANICP', also initialised field pressure correctly in ini_eos in the
755      case of pressure coordinates. eosType='JMD95Z' in
756      combination with buoyancyRelation='OCEANICP' now causes an error.
757    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
758      in find_alpha/beta.
759    checkpoint46d_pre
760    
761    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
762      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
763    
764    checkpoint46c_post
765    o Changes necessary for ocean in p-coordinates
766     -  Added new buoyancy relation = 'OCEANICP'
767     -  Added new parameters = gravitySign (this used to be contained inside
768        the factor dRdZ which I added when we first switched to R coordinates).
769     X GM/Redi is not compatible (yet)
770     X bottom drag and no-slip need to be debugged.
771    checkpoint46c_pre
772    
773    checkpoint46b_post
774    o Added new equation of state -> JMD95Z and JMD95P
775      - EOS of Jackett and McDougall, 1995, JAOT
776      - moved all EOS parameters into EOS.h
777      - new routines ini_eos.F, store_pressure.F
778    o Added UNESCO EOS, but not recommended because it requires
779      in-situ temperature (see JMD95)
780    o Modified formatting for knudsen2.f in utils/knudsen2 and added
781      unesco.f to be used with POLY3
782    checkpoint46b_pre
783    
784    checkpoint46a_post
785    o Added (atmospheric) pressure loading
786      - new field in FFIELDS.h, etc...
787      - new cpp flag ATMOSPHERIC_LOADING
788    o Changed hFacC to _hFacC in calc_phi_hyd.F
789    o Added SHORTWAVE_HEATING to some files for consistency
790    checkpoint46a_pre
791    
792    checkpoint46
793    further merges from release1_p5
794    o new ctrl package
795      - adopted from ECCO environment to enable optimization
796      - added Eliassen Palm fluxes to controls
797    o added Eliassen Palm flux controls to gradient check package
798    o cost package
799      - Compatible with new ctrl package
800      - added Eliassen Palm cost hooks
801      - modif's of existing cost functions
802    o Adjoint-related bug fixes in kpp:
803      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
804      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
805    o autodiff package
806      - flow directives:
807        + new for S/R do_the_model_io
808        + enhanced for S/R checkpoint
809        + new gmredi.flow
810      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
811        disable adcommon.h/g_common.h by default.
812      - fixed problem for adjoint of global_max
813    o modified verification/carbon/
814    o New setup for adjoint of global_ocean
815    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
816    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
817    o incorporated hooks for sponge layer code (external_forcing.F)
818    
819    checkpoint45d_post
820    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
821    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
822      (affects plume_on_slope "cg2d" output)
823    o add new parameter deltaTfreesurf for free-surface time stepping
824    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
825    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
826    o change phiMin in exp1 (to agree with documentation)
827    o add new flags:
828     - T,S forcing inside/outside Adams-Bashforth
829     - turn off temp,salt advection and/or forcing
830     - for each tracer, define internal flag for multiDimAdvection & A-B
831    o monitor: change definition of KE to check conservation of Energy
832    
833    checkpoint45c_post
834    o Removed f90 comments ("!")
835    o Modified initialisations to enable exf package for MITgcm
836      (without invoking ECCO_PACKAGE).
837    o modifications to gradient check package (Martin Losch)
838      - enable centered differences
839      - modified format of standard output
840    
841    checkpoint45b_post
842    o cleaned exchange calls in cg2d
843    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
844    o included CPP option SINGLE_LAYER_MODE in thermodynamics
845      to configure barotropic setup (Martin Losch)
846    o moved some initialisations within bi,bj loop in dynamics
847      (TAF flow dependency)
848    o in initialise_varia, moved call packages_init_variables
849      before convective_adjustment_init
850      (corresponding adjustment of TAF tape initialisation).
851    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
852    
853    checkpoint45a_post
854    o compute Rho over the whole domain (extend iMin,jMin indices)
855    o specific exchange for X-slice domain (case Ny=1)
856    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
857    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
858    
859    checkpoint44h_post = checkpoint45
860    o Fix to restore differentiability:
861      place at which packages_init_variables is called in
862      initialise_varia is crucial for reverse control flow.
863    o modifications in GMRedi to enable stable adjoint
864      (corresponding modif's in thermodynamics, dynamics)
865    o added missing hook for sponge layer code in external_forcing
866    o modified test cost functions
867    o storing in gad_advection (plus removal of write(0,*)!
868    o missing headers TR1.h added in convective_adjustment routines
869    o errorMessageUnit set non-equal zero in eeboot
870      (conflict on some platforms, e.g. IBM SP3)
871    o modified carbon verif.
872    
873    checkpoint44h_pre
874    o vertical grid option: allow to put the Interface at the middle between
875      2 cell-centers ; replace delZ in pkg/kpp by drF.
876    o GM Advective form: Tracers are advected using the residual transport (=
877      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
878    
879    checkpoint44g_post
880    o fix surface correction term in multiDimAdvection (affects plume_on_slope
881      results) ; ifdef missing in thermodynamics.F
882    
883    checkpoint44f_pre,checkpoint44f_post
884    o added PTRACERS package
885      This allows an arbitrary number of passive tracers to be integrated
886      forward simultaneously with the dynamicaly model.
887      + Implemented so far:
888        - basic forward algorithm (time-stepping, advection, diffusion, convection)
889        - I/O and checkpointing
890        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
891      + Not implemented so far:
892        - KPP
893        - OBCS
894      + No specific example supplied (yet) but global_ocean.90x40x15 has the
895        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
896        line in data.pkg.
897      + This package is disabled by default since it increases storage.
898    
899    
900    o testscript: added -cleanup option
901    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
902                 b) enable to filter 2D fields.
903    
904    checkpoint44e_pre,post
905    o re-wrote convective adjustment to use pre-calculated weights
906      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
907      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
908      Original calls to convect() still in place.
909    
910    chkpt44d_pre,post
911    o added missing EXCLUDE_MONITOR flags
912    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
913      (incompatible typ in MIN/MAX expressions caused problems
914      on IBM SP3)
915    o in genmake added variable MAKEDEPEND
916      plus resetting for case SunOS
917    o added timer_stats.c routine for IBM SP3
918    o removed variables in dynamics
919    !!! I forgot to create tag chkpt44d_pre !!!
920    !!! But chkpt44d_pre = chkpt44c_post    !!!
921    
922    o real fresh water flux implemented with non-linear free-surface.
923    
924    chkpt44c_pre,post
925    o few fix (mask in shap_s2, EmPmR in external_field_load,
926      USE_NATURAL_BCS in solve_for_P);
927    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
928    
929    checkpoint44b_pre/_post
930    o merge of relevant stuff from the ecco-branch:
931      - genmake: removed $S64 overwrite for case SunOS
932      - pkg/exf: update and corrections for field swapping and obcs
933      - pkg/ecco: parameter lists for the_model_main, the_main_loop
934                  harmonized between ECCO and MITgcm
935      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
936                      updated checkpointing_lev... lists for obcs
937      - model/src: minor changes in forward_step, plot_field
938                   added directive for divided adjoint in the_main_loop
939      - pkg/mdsio: added mdsio_gl_slice
940    
941    o check parameters & config (chkpt44a_pre,post)
942    o OBC and NonLin_FrSurf.
943    
944    checkpoint44
945    o fix bug in mom_vi_del2uv
946    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
947    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
948    o update AIM experiments (NCEP input files)
949    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
950    o added some stuff for AD
951    
952    checkpoint43
953    o added two new advection tests
954    o added global 4x4 degree ocean test
955    o added test of H&S94 with free surface on cube
956    o some final mods for gradient check, adjoint,...
957    
958    checkpoint42
959      Fixed AD-related problems:
960    o Store directives up-to-date with re-arranged Adams-Bashforth
961      (mainly thermodynamics.F)
962    o New store directives for multi-dim. advection schemes
963      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
964      * new common block and key passkey
965      (mainly gad_advection.F)
966    o Modified store directives for split of dynamics/thermodynamics
967      for the case ALLOW_KPP
968    o Cleaned argument list for timestep_tracer.F
969    
970    checkpoint41
971    o re-formatted/added comments in prologues of key subroutines
972      to work with protex
973    
974    checkpoint40
975    o moved calc_gs, calc_gt and calc_tr1 back to model/src
976    o added FLT (floats) package from Arne along with demo. experiment
977    o re-arranged Adams-Bashforth scheme for tracers to allow easier
978      implementation of forward-in-time forcing terms
979    o more mods for non-linear free-surface including new variable
980    o modified multi-dim method to work on cube
981    o bug fix in KPP (from DM)
982    
983    checkpoint40pre9
984    o added DST advection schemes
985    o fix MPI bug on SGI's
986    o modifications for non-linear free-surface
987    o fixed conditionals for fixed flow/passive tracer only mode
988    o added tension/strain form of stress tensor
989    o changes to commenting of arguments for TAF/TAMC
990    o added/updated many matlab scripts
991    o added multi-dimensional advection method for tracers
992      
993    checkpoint40pre8
994    o new package rw/
995      Added method for dumping intermediate local arrays:
996      mdsio_writetile - same as mdsio_writefield except works from inside
997                        bi,bj loop
998      mdsio_writelocal - same as mdsio_writetile except works for local
999                         arrays
1000      write_local_r? - higher-level wrapper for mdsio_writelocal
1001      Controlled by diagFreq. Defaults to zero (ie. no dumps)
1002      Example given at end of mom_vecinv.F that dumps some local arrays.
1003    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
1004      control flux-form versus vector invariant code.
1005      Switch is runtime flag vectorInvariantMomentum (defaults to false)
1006      or genmake -DISABLE ...
1007    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
1008      (additional storing is now needed for case vecinv;
1009      currently nothing implemented to switch this storing off
1010      in case fluxform is used since no CPP flag available).
1011    
1012    checkpoint40pre7
1013    o bug fix in dynamics.F
1014      calc_viscosity called before k=1,Nr loop.
1015    o added some #ifdef's ALLOW_PASSIVE_TRACER
1016    o cleaned initialisations in ctrl_map_ini
1017      related to TAF
1018    
1019    checkpoint40pre6
1020    o split dynamics into thermodynamics & dynamics
1021    o corresponding split of calc_diffusivity into
1022      calc_diffusivity, calc_viscosity
1023      (kpp_calc_diff, kpp_calc_visc).
1024    o Added diffkr, kapgm to control variables
1025    o bug fix in gmredi_slope_limit for ldd97
1026    
1027    checkpoint40pre5
1028    o proper initialization of Adams-Bashforth time stepping
1029      + uses forward step for very first step of model (iter=0)
1030    o re-generated *all* output since almost all output is modified by this
1031      change (sorry but we've been putting this one off for about 2 years)
1032      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
1033        *not* regenerated since they are already out of date and I don't
1034        want to create the impression that they are suddenly working.
1035    o removed KAP stuff for DEC's
1036    o modified/added many .cvsignore files in */code and */input
1037    o added new expt "solid-body.cs-32x32x1"
1038      + this uses an alternative form of ini_curvilinear_grid.F which
1039        is not necessarily any better than the current one...
1040    
1041    checkpoint40pre4
1042    o added re-initialisations of utrans,vtrans,rtrans in
1043      calc_common_factors which are crucial for TAF.
1044    o extended iMin,jMin range for calc_common_factors,
1045      calc_diffusivity
1046    o added option ALLOW_PASSIVE_TRACER
1047    o a few minor updates and fixes
1048    
1049    checkpoint40pre3
1050    o created calc_gtr1.F for gad package
1051    o split the_main_loop and re-introduced forward_step
1052    o some recomputations of nIter0 for TAMC
1053    
1054    checkpoint40pre2
1055    o Updated to latest branch of AJA, JMC
1056    o Added gradient check package
1057    o Added routines for passive tracer handling
1058    o Added carbon sequestration sensitivity experiment
1059    
1060    checkpoint39
1061     o Modifications and fixes to support TAMC
1062       (mainly missing or wrong directives)
1063     o Corrected common blocks when fooling TAMC to produce adjoint I/O
1064       in addummy_in_stepping
1065     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
1066     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
1067     o Included following packages:
1068       cal: calendar
1069       exf: external forcing
1070       ecco: essential routines to control use of cal, exf
1071             (NB: this is not the full ECCO environment)
1072     o disabled some packages by default in genmake
1073    
1074    checkpoint38
1075     o see notes_c37_adj.txt
1076     o corrected wrong layer index in external_forcing_t
1077     o replaced the_main_loop/forward_step by the_main_loop
1078     o removed forceoutput from write_state
1079       (replaced criteria for initial/final state)
1080     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
1081    
1082    checkpoint37
1083     o mdsio.F routine split and packaged in pkg/mdsio
1084       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
1085        used unless genmake -disable=mdsio)
1086     o allow a more precise surface-geopotential gradient for the atmosphere
1087       taking into account the change in space of Alpha (=1/rho) at the surface.
1088     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
1089       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
1090     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
1091       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
1092       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
1093     o Time-Average diagnostics defined as a pseudo package "timeave".
1094     o pickup files : old pickup (before c35) did not work with new code (c35
1095       and after) unless activating 2 commented lines in initialise-varia.
1096     o Non-Hydrostatic pickup file Pb fixed.
1097     o bug with Rigid-lid version (since c35) fixed.  
1098    
1099    checkpoint36
1100     o implement Crank-Nickelson barotropic time-stepping
1101     o recover Time-Average diagnostics
1102     o fix Pb in checkpoint (PR#19)
1103     o AIM become a standard package ; clean unused CPP_kees
1104    
1105    checkpoint35
1106     o subtantial rewrite of dynamics.f
1107     o allows staggered time-stepping
1108     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
1109     o added bottom drag (linear + quadratic)
1110    
1111    checkpoint34
1112     o Modified exchange routines for correct reverse simulation.
1113     o Added verification output to comply with bug fix in impldiff.F
1114       as of c33 (exp2, natl_box).
1115     o Corrected store directives in dynamics.F
1116     o Corrected array boundaries in impldiff.F
1117     o Corrected array dimensions in gmredi.
1118       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
1119     o Added routine GLOBAL_SUM_INT to global_sum.F
1120     o Added mdsio_gl.F for ECCO purposes.
1121    
1122    checkpoint33
1123     o Fixed bug in lower BC in impldiff.F
1124     o Fixed confusion about units of forcing arrays in FFIELDS.h
1125       namely Fu,Fv,Qnet,Qsw,EmPmR:
1126       - Removed verification/natl_box/code/external_fields_scale.F
1127         (did not differ from that in model/src)
1128       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
1129         (see FFIELDS.h for description)
1130       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
1131         kpp_calc.F and kpp_transport_t.F
1132       - Removed model/src/external_fields_scale.F and calls to it
1133       - verification/natl_box uses flux data with "atmospheric" sign so
1134         a special version of external_fields_load.F is used to
1135         change the data as it's read in. This way, the arrays
1136         have the right units and signs at all times tha a user could
1137         possibly use them.
1138     o Corrected genmake to delete a temporary file during configuration
1139    
1140    checkpoint32
1141     o Scaling of forcing fields moved from external_forcing.F to
1142       external_fields_scale.F, called directly after loading fields.
1143     o Surface relaxation terms added to surface tendency fields in
1144       extra subroutine.
1145     o impldiff.F changed to avoid storing by TAMC of huge intermediate
1146       fields.
1147     o Changes in GMRedi to comply with packaging structure.
1148     o Modifications and bug fixes in KPP package.
1149     o Verification experiment for KPP added (verification/nat_box/)
1150    
1151    checkpoint31
1152     o Packages interface brought in line with defined standard
1153       -> new routines packages_...F
1154       -> changes in initialise_fixed.F, initialise_varia.F
1155       -> enables initialisation interface for ECCO package
1156     o Rescaling of external forcing fields immediately after read
1157       (removed from external_forcing.F)
1158       -> new: surface_fields_scale.F
1159       -> affects ini_foorcing.F, external_fields_load.F
1160     o Computation of surface tendencies before tendency updates.
1161       -> new: external_forcing_surf.F
1162     o Change of variable names useGMRedi, useKPP, useECCO
1163     o Further changes in dynamics.F, impldiff.F for TAMC
1164     o Tested for experiments 0, 2, 4.
1165       - not yet tested for GMRedi.
1166       - not yet tested for KPP.
1167    
1168    checkpoint30
1169     o Updates for OBCs
1170     o New experiment for test OBCs (internal_wave)
1171     o New output.txt in verification/exp4/results/
1172     o Updates for KPP: calculation of viscosity corrected, new variables
1173       kpp_dumpFreq and kpp_taveFreq
1174     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
1175       and entry for T90 in genmake
1176    
1177    checkpoint29
1178     o packaged KPP and GM/Redi
1179    
1180    checkpoint28
1181     o Corrected initialization of hFacMin for difference vertical coordinates
1182     o Modified calculation of partial cell thickness to more robust algorithm
1183     o config_summary.F: replaced write_1D_... by write_0D_...
1184       read_write.F: added subroutines write_0D_...
1185     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
1186       included some initialisations required for TAMC.
1187     o routine calc_isoslopes: modified sqrt computation to make it
1188       differentiable for zero argument.
1189     o routines dynamics, impldiff:
1190       included store directives and tape key computations required for TAMC.
1191     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
1192    
1193    checkpoint27
1194     o fixed calc_isoslopes() to so that cancellation of terms in tensor
1195       formulation works properly with variable resolution.
1196     o restructured the calling tree between the_model_main() and dynamics()
1197     o split initialise() into initialise_fixed() and initialise_varia()
1198     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
1199       in new routine ini_psurf()
1200    
1201    checkpoint26
1202     o moved some #ifdef in optional routines to encompass everything
1203       except the argument declarations. This was using up some memory.
1204     o fixed macros like _ADT to work with both versions of Linux cpp
1205     o cleaned up some unused and uninitialized variables
1206       (helps when debugging with strict compile options)
1207     o split up CPP_EEOPTIONS.h into options and macros
1208       (macros are now in eesupp/inc/CPP_EEMACROS.h)
1209     o patch for 2 processor JAM mode
1210    
1211    checkpoint25
1212     o updates for OBCs and NH
1213     o dramatically reduced memory usage
1214     o added "JAM" routines for use on Artic network
1215     o parameterization of convection by implicit vertical diffusion
1216     o added a diagnostic of convective index
1217     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
1218       (this is was partly for OBCs and NH but also in anticipation of
1219        an explicit free-surface option)
1220     o initial state input files for U and V
1221    
1222    checkpoint24
1223     o Removed some spurious "REAL"s
1224     o Updated KPP to latest version from JPL
1225     o Added a COS(latitude) in horizontal viscosity
1226    
1227    checkpoint23
1228     o Added del^4 diffusion for salt and temperature
1229     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
1230    
1231    checkpoint22
1232     o Made many small changes: implicit none, format(i5), etc...
1233     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
1234    
1235    checkpoint21
1236     o Introduced new I/O package that supports direct-access records (mdsio.F)
1237     o Split-up mid-level I/O routines
1238     o Updated input data for experiments 0,1,2,4 and 5
1239     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
1240    
1241    checkpoint20
1242     o Tidied up open-boundaries some more
1243     o Added non-hydrostatic code
1244     o Fixed some input data
1245     o Modified MPI start-up to work in "coupled" context.
1246    
1247    checkpoint19
1248     o Tidied up directory structure for verification experiments.
1249     o Added new code for open boundaries.
1250     o Corrected advective terms near boundaries.
1251     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
1252     o Implemented free-slip/no-slip BCs and del^4 dissipation.
1253     o Split default parameters out of ini_parms.F into set_defaults.F.
1254    
1255    checkpoint18
1256     o Further changes for optional code generation with
1257       CPP - ugh!
1258    
1259    checkpoint17
1260     o Beginning to incorporating modularity
1261       for supporting atmos. and ocean configs.
1262     o Small changes for TAMC complinace
1263     o New ultra simple test case. Barotropic box
1264       configuration "exp0".
1265    
1266    checkpoint16
1267     o Minor changes to exchange routines to support
1268       accumulation in reverse mode. Adjoint of an
1269       assignment is an addition.
1270     o Changes to support compilation by TAMC (LR(1)
1271       syntax) and by g77 under Linux ( 72 character
1272       limit ).
1273    
1274    checkpoint15
1275     Rewrote exchange routines to allow
1276     o General tile <-> tile connectivity.
1277     o TAMC reverse mode flag ( is this really needed? )
1278     o Variable width overlap and exchange region widths.
1279     o Hooks for sharing data via DMA, Arctic, Memory Channel,
1280       shmput/shmget, VIA, SYSV shmem and every other cool
1281       communication method.
1282    
1283    checkpoint14
1284     Consistent isomorphism chages made. These allow dynamical core
1285     to support both pressure and meters as a vertical coordinate.
1286    
1287    checkpoint13
1288     Release which corrects global_max problem and a couple
1289     of KGM time-averaging diagnostic errors. Also contains
1290     a double-gyre experiment setup as well as the baseline
1291     4 degree global template. The double gyre template is
1292     organised to allow it to be applied automatically to
1293     the baseline configuration.
1294    
1295    branch-point-rdot
1296     A few tidy-ups have been made bt the real point of this
1297     check-point (excuse the pun) is to allow a branch to be
1298     made for the purposes of adding the rDot alterations.
1299     I don't want to commit the rDot to the main-trunk until
1300     we've actually tested it...
1301    
1302    checkpoint12
1303     Tidy up and added generic genmake script (formerly
1304     configure script).
1305     Released to testers.
1306    
1307    checkpoint11
1308     Re-arranged initialise() and introduced ini_vertical_grid()
1309     and ini_masks_etc().
1310    
1311    checkpoint10
1312     Introduced the configure script.
1313     Separated out the diags package.
1314     Added template for writing time-averages of tile/intermediate quantities.
1315     Updated SIZE.h in exp2 and made the data big-endian.
1316    
1317  checkpoint9  checkpoint9
1318   MPI fix. Filename changes (meta/data). salbin*y stuff.   MPI fix. Filename changes (meta/data). salbin*y stuff.
1319   General tidy-up.   General tidy-up.

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