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revision 1.9 by adcroft, Thu Jul 2 14:20:04 1998 UTC revision 1.193 by edhill, Thu Oct 23 04:41:40 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    untagged
7    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
8    o added [#include "AD_CONFIG.h"] to all files that use the following
9      defines:
10      - ALLOW_ADJOINT_RUN
11      - ALLOW_TANGENTLINEAR_RUN
12      - ALLOW_ECCO_OPTIMIZATION
13    
14    checkpoint51m_post
15    o incorporating changes to get TAMC/TAF working in genmake2
16      - added new TAMC/TAF targets to the Makefile
17      - various cleanups related to package handling
18      - these changes should have no impact on the forward model
19    
20    checkpoint51l_post
21    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
22     - faster algorithm for cal_addtime.F
23     - higher precision arithmetic, where needed
24     - pkg/exf *startdate variables changed from calendar date to
25       model integration time
26    
27    checkpoint51l_pre
28    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
29    o enable to apply restoring on S & T only in a latitude band.
30    o update output (external_forcing_surf modif. change truncation errors)
31       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
32    
33    checkpoint51k_post
34    o change default to: useNHMTerms=.FALSE.
35     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
36       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
37     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
38        exp1, ideal_2D_oce
39     - change data file of oceanic exp (leave the results unchanged for now)
40       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
41    o set gravitySign automatically according to the vertical coordinate used
42      (and change sign: back to "logical" value: +1 when R increases downward)
43    o added an include barrier to the default CPP_OPTIONS.h and
44      removed the #include "PACKAGES_CONFIG.h" from it
45    o fix a bug in mom_fluxform (from chk51j_post)
46    
47    checkpoint51j_post
48    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
49    o adjusted some flow directives (dynamics, thermodynamics)
50    o added cubed-sphere case to test cost function
51    o heckpoint_lev?_directives.h now include
52      pkg-specific directives, whenever those are enabled.
53    o Moving pkg-specific flow directives to corresponding pkg
54      Moving pkg-specific differentiation list to corresponding pkg
55      Moving pkg-specific checkpoint-lev storing to corresponding pkg
56      ---> conventions are
57           - pkg_ad.flow
58           - pkg_ad_diff.list
59           - pkg_ad_check_lev?_dir.h
60    
61    checkpoint51i_post
62    o merge of the branch-genmake2
63      - knowingly breaks the older genmake
64      - automatic generation of all ALLOW_${PKG_NAME} defines
65      - new testreport supersedes older testscript
66    o large number of package inclusion and header cleanups
67    checkpoint51i_pre
68    
69    o new output for adjoin of global ocean vector invariant
70    o fix for checkpoint of thermodynamic seaice and bulk_force
71    o Steph gchem various cleanups
72    
73    checkpoint 51h_pre
74    o fixed some single quotes
75    o modify gchem pkg to be more versatile
76    o modifications to clean up dic pkg
77    o add pkg/cfc
78    
79    checkpoint51g_post
80    o provide links for ARPACK and ADM*TLM
81    o start removing verification/vero/
82    o update AD-related stuff
83      (in particular some IF-statements in model/src/ routines)
84    o adding to verification/global_ocean.90x40x15/ adjoint of
85      vector invariant setup
86    
87    checkpoint51f_post
88    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
89    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
90      of tracer Green's fucntions for ocean inversion project.
91    
92    checkpoint51f_pre
93    o Added on-the-fly spatial interpolation capability
94        "USE_EXF_INTERPOLATION" to pkg/exf.
95      - This is a temporary Cartesian-grid hack until
96        the super-duper ESMF coupler becomes available.
97      - See verification/global_with_exf/README for usage example.
98      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
99        flags and modified pkg/seaice accordingly.
100    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
101        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
102        non-local transport term.
103    
104    checkpoint51e_post
105    o pkg/mom_vecinv:
106      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
107      - add time-ave diagnostic of vorticity advection.
108    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
109    o atmospheric geopotential: - include water vapor effect;
110                                - use p^kappa in p* scaling.
111    o land pkg: read initial state from files.
112    o AIM : add stratospheric drag in the upper level
113    
114    checkpoint51d_post
115    o change function ILNBLNK (=> last non-blank char.) to return zero
116      (instead of the string length) when the string. char is empty
117    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
118    o modif's to restore TAMC compatibility
119      - avoid "_d" constructs in PARAMETER declarations
120      - avoid interrupting lines by comment lines
121    o Use cluster local disks for purely local I/O
122      vs. globally visible disks needed for ctrl stuff
123      (merged from ecco-branch)
124      - new active_file_loc... and mdsio_..._loc routines
125      - affected packages: autodiff, ctrl, grdchk, mdsio
126    
127    checkpoint51c_post
128    o introducing integer flag debugLevel
129      - debLevZero: suppress all output
130      - debLevA: standard
131      - debLevB: equivalent to current debugMode=.TRUE.
132    o introducing pathname variable mdsioLocalDir for mdsio
133      that can be specified at runtime
134      (relevant for cluster I/O to local disk)
135    `
136    >>>checkpoint51b_post
137    adjoint of ptracers
138    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
139    o extended state in checkpoint_lev?, etc.
140    o alternative ctrl/cost with tr1 or ptracer
141    o new comlev1_bibj_ptracers
142    o new ptracers.flow
143    o made ptracers_forcing same as external_forcing_s
144    o added verification for adjoint with ptracers
145      - adm. grdchk fail so far
146      - tlm. grdchk OK
147      - checked tapelev/comlev recomputations: OK
148    <<<checkpoint51b_pre
149    
150    checkpoint51a_post
151    o added code for biogeochemistry package
152      - new pkgs: dic, gchem
153      - new subroutine in ptracers
154    o modify code for biogeo packages
155      - in model/src and pkg/ptracers
156    
157    checkpoint51
158    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
159      - autodiff, ctrl, exf, grdchk, seaice
160      kept separate packages
161      - cost, ecco, obcs
162    o updating verification/internal_wave, verification/lab_sea
163      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
164    
165    checkpoint50i_post
166    o Preparing next differentiable checkpoint and sync
167      of MAIN vs. ecco-branch
168      - 1st step: this one is differentiable
169      - 2nd step: next(! not this) checkpoint will have updated packages
170                  from ecco-branch)
171    
172    checkpoint50h_post
173    o new package "land": provide surface BC for AIM.
174    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
175    o AIM: use true log-P extrapolation for near surface temp (= as in
176        F.Molteni paper) ; update aim.5l_cs output.
177    o New variable in PARM03 for more flexible pickups
178    o somewhat cleaned package initialisation sequence for
179      ctrl/ cost/ ecco/ in packages_... routines
180    
181    checkpoint50g_post
182    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
183      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
184      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
185        made the default because of faster convergence than ADI
186    
187    checkpoint50f_post
188    o exf totally restructured
189      - replaced all exf_set_ routines by one generic exf_set_gen.F
190        and made sure it's still differentiable
191      - split exf_getffields.F into new exf_bulkformulae.F
192      - exf_inscal_/exf_outscal_ suffixes consistent with field names
193      - updated adjoint/makefile and relevant verif. accordingly
194    
195    checkpoint50f_pre
196     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
197          + change Evap over land. (update aim.5l_cs output)
198     o added missing .cvsignores and made uniform across expts
199     o changed configuration of tidal_basin_2d expt
200     o added pkg/debug functions for tracing code in fatal crashes
201     o tidied pkg/monitor to use MONITOR_OPTIONS.h
202     o new fn in pkg/monitor to stop model if solution grows too big
203     o removed lots of single quotes from comments
204    
205    checkpoint50e_post
206    o make KPP work with PTRACERS
207     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
208       nearly a copy of kpp_transport_s
209     - there is no analogue to SurfaceTendencyS, so I have to use
210       gPtr(of the surface layer) instead
211    o add a new platform SunFire+mpi (SunFire 15000) to genmake
212    checkpoint50e_pre
213    
214    checkpoint50d_post
215    o change kpp output from multiple-record state files to single-record state
216      files analogous to write_state.F
217    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
218      analogous to the cg2d-related output.
219    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
220      so that writing to internal file fn (with length 512) fails.
221    checkpoint50d_pre
222    
223    checkpoint50c_post
224    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
225    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
226    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
227    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
228    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
229    
230    checkpoint50c_pre
231    Merging from release1_p13:
232    o bug fix for pkg/seaice dynamic solver
233    o Added SEAICE_initialHEFF to pkg/seaice
234    
235    checkpoint50b_post
236    o store u*,v* in gU,V instead of in guNm1,gvNm1
237    o in order to put the momForcing out of the Adams-Bashforth:
238      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
239      to timestep.F
240    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
241    o re-generate output for highly sensitive test-exp:
242       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
243    
244    checkpoint50b_pre
245    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
246    o corrected CPP option mismatch in exf_Bulk... functions for case
247      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
248    
249    checkpoint50a_post
250    o Bug fix for merging between c50 and KPP.
251      ikey was passed from thermodynamics to kpp_calc via
252      common block rather than being recomputed in kpp_calc,
253      in contradiction with new key itdkey.
254      New key ikppkey created, and tamc.h headers updated.
255    
256    checkpoint50
257    - 2nd step of merge with ecco-branch:
258      merge changes in ecco-branch back into main trunk
259    - bug fix in find_alpha
260    - more storing in gmredi_calc_tensor.F, kpp_routines.F
261    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
262    - merged some sliced AD support routines
263    
264    checkpoint49
265    merged from ecco-branch:
266    o exf:
267      - Enable initialisation of forcing fields to constant
268        (runtime) values.
269      - in exf_getffields.F
270        Reduce i-/j-loop to interior domain, discarding overlaps.
271        That also fixes wrong TAF-key computations for key_1, key_2
272        with bulf formulae.
273      - exf_init.F modify #ifdef for exf_init_evap
274      - exf_getffieldrec.F, ctrl_getrec.F
275        The following INT-usages are not safe:
276          fldsecs  = int(fldsecs/fldperiod)*fldperiod
277          fldcount = int(fldsecs/fldperiod) + 1
278        and were modified.
279    o autodiff: checkpoint_lev...
280      - updated storing for bulk formulae (some arrays were missing)
281      - added state for seaice package
282      - synchronized with main branch
283    o DIVA:
284      Modif.s in
285      - the_main_loop.F
286      - the_model_main.F
287      and added cost_final_restore.F cost_final_store.F
288      o With these changes, it is possible to fully separate
289        the first forward run to compute the cost function (mdthe_main_loop)
290        and adjoint runs over individual DIVA intervals (adthe_main_loop)
291        into separate model executions.
292        This enables better tuning of DIVA to given queue sizes.
293      o Loss of cost function value in consecutive DIVA runs is
294        fixed by storing to 'costfinal' file.
295      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
296        beginning/end of adjoint integration is accounted for.
297      The current changes apply to TAF-1.4.26.
298      TAF has one remaining bug, requiring one manual change
299      (see MITgcm manual).
300    o cal: synchronized between MAIN and ecco-branch
301    
302    checkpoint48i_post
303    o Changes to restore differentiability of code w.r.t. previous tag
304      (mostly adding new routines to make list and replacing
305      pressure by totPhiHyd).
306    o Updated and merged grdchk package
307      - has both ADM and TLM checks
308      - works for single- and multi-proc.
309      - output cleaned
310      - worked successfully for parallel DIVA
311    o genmake:
312      - Adding -platform=SP4
313      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
314    o Modif. for DIVA:
315      ctrl_unpack should not be called in intermediate DIVA interval.
316      (similar thing would apply for active files such as
317      tbar, sbar, psbar, which should not be reinitialised;
318      only relevant for ecco-branch)
319    
320    checkpoint48h_post
321    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
322    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
323    o Added SEAICE_initialHEFF to pkg/seaice
324    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
325    
326    checkpoint48g_post
327    --- EOS:
328    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
329      store total Potential in totPhyHyd for diagnostics & EOS.
330    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
331    --- Pressure/geopotential gradient:
332    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
333    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
334      ( changes results of global_ocean_pressure )
335    o NLFS + z-coord.: add eta*Rho' contribution.
336    o accurate phiHyd when using interface-W at the middle between 2 centers
337     ( changes results of ideal_2D_oce )
338    o includes r* 2nd term in potential gradient.
339    
340    checkpoint48f_post
341    Merging from release1_p12:
342    o Modifications for using pkg/exf with pkg/seaice
343      - improved description of the various forcing configurations
344      - added basic radiation bulk formulae to pkg/exf
345      - units/sign fix for evap computation in exf_getffields.F
346      - updated verification/global_with_exf/results/output.txt
347    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
348      (SBO) core products, including oceanic mass, center-of-mass,
349      angular, and bottom pressure (see pkg/sbo/README.sbo).
350    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
351      to avoid negative values in shallow regions.
352      - updated verification/natl_box/results/output.txt
353      - updated verification/lab_sea/results/output.txt
354    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
355    o Added useSingleCpuIO option (see PARAMS.h).
356    o Updated useSingleCpuIO option in mdsio_writefield.F to
357      work with multi-field files, e.g., for single-file pickup.
358    o pkg/seaice:
359      - bug fix in growth.F: QNET for no shortwave case
360      - added HeffFile for specifying initial sea-ice thickness
361      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
362    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
363      kpp_transport_t.F, forward_step.F, and the_main_loop.F
364    o pkg/seaice:
365      - adjoint-friendly modifications
366      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
367    
368    checkpoint48e_post
369    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
370    o dynamics: change definition of computational domain & adapt mom_fluxform
371      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
372    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
373        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
374        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
375        global_ocean.90x40x15 global_with_exf global_ocean_pressure
376        inverted_barometer solid-body.cs-32x32x1
377      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
378    
379    checkpoint48d_post
380    o in preparation for r*:
381     a) use pre-computed gradient of hydrostatic potential:
382        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
383     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
384        => affects results of glob_oce_pressure (different truncation error)  
385      update output.txt of ideal_2D_oce & global_ocean_pressure
386    
387    checkpoint48d_pre
388    o in preparation for r*:
389      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
390      pass the 2 comp. of the grad. as arguments to momentum S/R.
391      but for the moment, only used if it does not change the results.
392    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
393    
394    checkpoint48c_post
395    Modifications in treatment of initial flux forcing controls
396    to avoid extra storing of flux fields.
397    
398    checkpoint48c_pre
399    o Added tidal_basin_2d experiment (currently 1D!)
400    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
401    
402    checkpoint48b_post
403    o r* coordinate added in #ifdef NONLIN_FRSURF block.
404     (modification to pressure gradient not yet implemented)
405    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
406      (for U & V) that are used for vertical advection of momentum.
407    
408    checkpoint48a_post
409    o In preparation for r*, use temp. array to compute vertical transport
410       in flux-form momentum pkg. => change results of few test-exp.
411      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
412                        lab_sea, natl_box & plume_on_slope
413    
414    checkpoint48
415    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
416    
417    checkpoint47j_post
418    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
419    o moved adexch from forward_step to addummy_in_stepping
420    o added exch in ctrl_map_...
421    o aveFreq.=0. at end of cost_final to avoid overwrite in
422      reverse checkpointing loop
423    o Yet more changes in gmredi:
424      * adgmredi_calc_tensor
425        avoiding all recomputation of gmredi_slope_limit
426      * adgmredi_x/y/rtransport
427        added flag for excessive storing to avoid recomp. of
428        u/v/rtans, dTdx/y/z
429        -> this is not really necessary and very memory-consuming
430      * adgmredi_slope_psi:
431        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
432      * gmredi_slope_limit
433        re-activated full calculation of taperfct for case 'ac02'
434    o updating verification/ adjoints of carbon, global_ocean.90x40x15
435    
436    checkpoint47i_post
437    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
438    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
439      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
440    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
441    o gmredi: fix few bugs.
442    
443    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
444    This will be a good checkpoint to plug into the ecco-branch.
445    o few modif.'s to get latest version adjointed
446      (mainly kick out code in ini_linear_phisurf)
447    o modif's to run adjoint with exactConserv
448    o case GM_BOLUS_ADVEC should be cleaned
449      S/R gmredi_slope_psi should be cleaned
450    o verification/carbon now has exactConserv=.TRUE.
451    
452    checkpoint47g_post
453    o time-average AIM output: becomes independent from statvars time-average
454      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
455    o After TAF bug fix:
456      Tested adjoint of gmredi package.
457      Tests were done with checkpoint47 rather than with latest
458      checkpoint47f_post since the latter is broken for the adjoint
459      verification/carbon/ contains both ADM and TLM gradient checks.
460    Here they are, before they get changed/lost/stolen.
461    Mostly modif.'s to fix numerical sensitivities.
462    Gradient checks OK for
463    - GM_taper_scheme:
464      * clipping
465      * ac02
466      * linear
467      * glw91
468      * dm95
469      * ldd97
470    - GMREDI_OPTIONS:
471      * GM_VISBECK_VARIABLE_K
472      * GM_NON_UNITY_DIAGONAL
473      * GM_EXTRA_DIAGONAL
474      * GM_BOLUS_ADVEC
475    in conjunction with data.gmredi parameters to be checked in
476    in a few minutes under verification/carbon/code/
477    
478    checkpoint47f_post
479    Merging from release1_p10:
480    o modifications for using pkg/exf with pkg/seaice
481      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
482        and SEAICE_EXTERNAL_FLUXES
483      - pkg/exf CPP options EXF_READ_EVAP and
484        EXF_NO_BULK_COMPUTATIONS
485      - usage examples are Experiments 8 and 9 in
486        verification/lab_sea/README
487      - verification/lab_sea default experiment now uses
488        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
489    
490    checkpoint47e_post
491    o created a tag prior to creating a branch
492    
493    checkpoint47d_post
494    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
495      at the bottom boundary had an erroneous half slip boundary condition
496    o added bottom drag and no slip boundary condition capabilities to
497      oceanic pressure coordinates code
498    o added new verification experiment global_ocean_pressure, this experiment is
499      also described in the tutorial section of the manual
500    checkpoint47d_pre
501    
502    checkpoint47c_post
503    o Added a verification experiment for a global cubed-sphere ocean run
504      -  verification/global_ocean.cubed32x32x30
505      -  uses pkg/therm_seaice and pkg/bulk_forcing
506    
507    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
508    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
509      when using P-coordinate; only implemented for atmospheric config.
510    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
511      NOTES: requires option NONLIN_FRSURF to be "#define".
512    o update advect_xz/results/output.txt (left from checkpoint44g_post)
513    
514    checkpoint47b_post
515    Merging from release1_p9:
516    o pkg/seaice
517      - removed GOTO's and added taf directives
518      - double precision constants to reduce the g77 (Linux)
519        to F77 (SGI) differences reported in release1_p8
520    o tools/genmake
521      - added SGI options
522    o verification/testscript
523      - updated to that of checkpoint47a_post
524    o verification/global_ocean.90x40x15/input/eedata
525      - modified for SGI f77 compatibility
526    o verification/lab_sea
527      - added description of sea-ice model
528      - added missing matlab routines
529      - added test of thermodynamics parallelization
530    
531    checkpoint47a_post
532    o new pkg: aim_v23
533     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
534       for now, keep the same surface forcing as before.
535     - Part-Cell implemented into AIM; check that Heat & Water are conserved
536     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
537     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
538    o add diagnostic of surface correction term in monitor output
539    
540    o bulk_force and therm_seaice
541    - Two packages:  bulk_force (Bulk forcing)
542      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
543    - Earlier integration from Stephaine Dutkiewicz
544      and Patrick Heimbach.
545    - Two ifdef statements for compile time,
546       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
547    
548    checkpoint47
549    differentiable version of checkpoint46n_post
550    o bug fix in quasihydrostaticterms
551    o * "clean" adjoint code (in terms of extensive recomputations)
552        can now be obtained for all GMREDI options (i.e. for
553        - GM_VISBECK_VARIABLE_K
554        - GM_NON_UNITY_DIAGONAL
555        - GM_EXTRA_DIAGONAL
556        - GM_BOLUS_ADVEC )
557      * However, wrong gradient check problem remains unsolved.
558      * New CPP options have been introduced for different
559        tapering schemes
560    o external_fields_load now part of differentiation list
561    o pressure needs multiple storing;
562      would be nice to have store_pressure at beginning or
563      end of forward_step, e.g. by having phiHyd global (5-dim.)
564      (NB: pressure is needed for certain cases in find_rho,
565      which is also invoked through convective_adjustment).
566    o recomputations in find_rho for cases
567     'JMD95'/'UNESCO' or 'MDJWF' are OK.
568    o #define ATMOSPHERIC_LOADING should be differentiable
569    o ini_forcing shifted to begining of initialise_varia
570    o Incorporating QNVS line search routines into MITgcm
571      (this is separate code, and therefore not under pkg)
572      lsopt/, optim/
573    o Updated verification/carbon/
574      - #define GM_VISBECK_VARIABLE_K
575      - GM_taper_scheme    = 'ldd97'    
576    
577    checkpoint46n_post
578    Merging from release1_p8:
579    o verification/natl_box:
580      updating new external_fields_load routine
581    o New package: pkg/seaice
582      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
583      The sea-ice code is based on Hibler (1979-1980).
584      Two sea-ice dynamic solvers, ADI and LSR, are included.
585      In addition to computing prognostic sea-ice variables and diagnosing
586      the forcing/external data fields that drive the ocean model,
587      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
588      The implied surface heat flux is then stored in variable
589      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
590      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
591      non-local transport term.  Because this call precedes model
592      thermodynamics, temperature under sea-ice may not be "exactly" at
593      the freezing point by the time theta is dumped or time-averaged.
594      N.B.: fairly large differences in accuracy occur across
595            different platforms/compilers; comparison between
596            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
597            generated output gives:
598       T           S           U           V
599      C D M    c        m  s        m  s        m  s        m  s
600      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
601      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
602      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
603    
604      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
605    o GAD:
606      - generated new common blocks to account for call of
607        same gad routines with differing traceridentities
608        (needed to modify tracerIdentity indices in GAD.h)
609      - generated separate common blocks for case useCubedSphereExchange
610        (Department of Futurology)
611      - parameter lists to gmredi_?transport: added tracerIdentity
612      - added new key indices to tamc.h
613    o external_fields_load:
614      - added this routine to TAF list
615      - needed to make some common blocks global and additional storing
616        along the same lines as exf package (checkpoint_lev?_directives.h)
617    o exf:
618      updated external forcing package
619      - bug fixes carried over from ecco-branch
620        (missing OBCS_OPTIONS.h in two routines)
621      - enable easy to use "no forcing".
622      - added exf I/O for atmospheric loading
623      - added exf I/O for runoff data
624      - transfered scaling between exf <-> MITgcm to exf namelist
625    o Adding new verification experiment global_with_exf.
626      This verification experiment is almost identical to the
627      global_ocean.90x40x15 experiment, except that it uses
628      the exf (and cal) package instead of the
629      external_fields_load routine (cf README file).
630    
631    checkpoint46m_post
632    o modified testscript to return -- when there are no lines of "%MON" output
633    o added new flag "quasiHydrostatic" for QH mode
634      and new routine quasihydrostaticterms()
635    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
636      New routine: mom_u_coriolis_nh()
637    o fixed sign of non-hydrostatic metric terms in u and v equations.
638      Depend on correct sign of gravitySign.
639    o added work.pc* to .cvsignore in aim directories using ifc
640    o introduced flag for controllin non-hydrostatic metric terms
641    o removed gravitySign from PARM04
642    o switched to g77/ifc from pgf77 in aim experiments
643    
644    checkpoint46l_post
645    o made convective adjustment work with pressure coordinates:
646     - changed the direction of k-loop in convective_adjustment.F for the
647       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
648     - adjusted the reference pressure k-index in convective_adjustment.F
649     - adjusted the convection condition in convect.F (in analogy to
650       calc_ivdc.F)
651     - convective_adjustment no longer computes anything on the halos
652     - removed the warnings about negative salinity from find_rho.F and
653       find_alpha.F; instead the new routine look_for_neg_salinity, called
654       at the beginning of find_rho, find_alpha, and find_beta, does a
655       check of the entire slice, if CPP-option
656       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
657    checkpoint46l_pre
658    
659    checkpoint46k_post
660    o fixed the verification/global_ocean.90x40x15 experiment:
661     - new bathymetry (the world according to A., JMC, and M.)
662     - new initial fields and forcing fields (*.bin files)
663     - new POLY3.COEFFS (for the next release one should switch to a full
664       equation of state: JMD95P or MDJWF)
665     - fixed several errors and redundancies in the data file
666     - experiment uses looped cells
667     - added matlab directory with diagnostic scripts for plotting of output
668    
669    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
670     - read AIM physics parameters from a file (data.aimphys)
671     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
672    
673    checkpoint46j_post
674    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
675    o move wVel computation at the end of the time step, in S/R integr_continuity
676    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
677    o update timeave pkg for wVel diagnostic.
678    checkpoint46j_pre
679    
680    checkpoint46i_post
681    o Clean up AIM package (and keep the results unchanged):
682      include CPP_OPTION and use IMPLICT NONE in all routines ;
683      declare all the variables _RL ; use _d 0 for all numerical constants.
684      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
685    
686    checkpoint46h_post
687    o cleaned up the use of rhoNil and rhoConst.
688      - rhoNil should only appear in the LINEAR equation of state, everywhere
689        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
690        and the dynamical equations are all divided by rhoConst
691    o introduced new parameter rhoConstFresh, a reference density of fresh
692      water, to remove the fresh water flux's dependence on rhoNil. The default
693      value is 999.8 kg/m^3
694    o cleanup up external_forcing.F and external_forcing_surf.F
695      - can now be used by both OCEANIC and OCEANICP
696    checkpoint46h_pre
697    
698     Added code to convert surface volume flux (fresh water) into
699     a mass flux when using P coordinates in the ocean (OCEANICP).
700     Note: It assumes you have set rho0=rhoConst=density of fresh water.
701    
702    checkpoint46g_post
703    o Include a new diagnostic variable phiHydLow for the ocean model
704      - in z-coordinates, it is the bottom pressure anomaly
705      - in p-coordinates, it is the sea surface elevation
706      - in both cases, these variable have global drift, reflecting the mass
707        drift in z-coordinates and the volume drift in p-coordinates
708      - included time averaging for phiHydLow, be aware of the drift!
709    o depth-dependent computation of Bo_surf for pressure coordinates
710      in the ocean (buoyancyRelation='OCEANICP')
711      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
712        Theta, Salinity, and Pressure in the parameter list. This routine is
713        presently contained in find_rho.F. This routine does not give the
714        correct density for 'POLY3', which would be a z-dependent reference
715        density.
716    o cleaned up find_rho
717      - removed obsolete 'eqn' from the parameter list.
718    o added two new verification experiments: gop and goz
719      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
720    checkpoint46g_pre
721    
722    checkpoint46f_post
723    o Enable tangent linear (forward mode) gradient checks:
724      - extended active file handling to g_... files
725      - added TANGENT_SIMULATION to theSimulationMode
726      - extended grdchk package accordingly
727    o added tangent linear setup in verification/carbon/code_ftl
728    o added adjoint setup in verification/front_relax/code_ad
729    
730    checkpoint46e_post
731    o Added new equation of state -> MDJWF
732      - EOS of McDougall et al., 2002, JAOT, submitted
733      - caveat: the equation of state is only valid for a smaller (more
734        realistic?) range of values than JMD95P/Z and UNESCO
735      - added masks to the calculation of pressure in store_pressure
736      - added more check values for density in check_eos (ini_eos.F), some of
737        the old check values are out of the range of the MDJWF-eos, so don't
738        expect perfect matches for those
739    checkpoint46e_pre
740    
741    checkpoint46d_post
742    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
743      'OCEANICP', also initialised field pressure correctly in ini_eos in the
744      case of pressure coordinates. eosType='JMD95Z' in
745      combination with buoyancyRelation='OCEANICP' now causes an error.
746    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
747      in find_alpha/beta.
748    checkpoint46d_pre
749    
750    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
751      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
752    
753    checkpoint46c_post
754    o Changes necessary for ocean in p-coordinates
755     -  Added new buoyancy relation = 'OCEANICP'
756     -  Added new parameters = gravitySign (this used to be contained inside
757        the factor dRdZ which I added when we first switched to R coordinates).
758     X GM/Redi is not compatible (yet)
759     X bottom drag and no-slip need to be debugged.
760    checkpoint46c_pre
761    
762    checkpoint46b_post
763    o Added new equation of state -> JMD95Z and JMD95P
764      - EOS of Jackett and McDougall, 1995, JAOT
765      - moved all EOS parameters into EOS.h
766      - new routines ini_eos.F, store_pressure.F
767    o Added UNESCO EOS, but not recommended because it requires
768      in-situ temperature (see JMD95)
769    o Modified formatting for knudsen2.f in utils/knudsen2 and added
770      unesco.f to be used with POLY3
771    checkpoint46b_pre
772    
773    checkpoint46a_post
774    o Added (atmospheric) pressure loading
775      - new field in FFIELDS.h, etc...
776      - new cpp flag ATMOSPHERIC_LOADING
777    o Changed hFacC to _hFacC in calc_phi_hyd.F
778    o Added SHORTWAVE_HEATING to some files for consistency
779    checkpoint46a_pre
780    
781    checkpoint46
782    further merges from release1_p5
783    o new ctrl package
784      - adopted from ECCO environment to enable optimization
785      - added Eliassen Palm fluxes to controls
786    o added Eliassen Palm flux controls to gradient check package
787    o cost package
788      - Compatible with new ctrl package
789      - added Eliassen Palm cost hooks
790      - modif's of existing cost functions
791    o Adjoint-related bug fixes in kpp:
792      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
793      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
794    o autodiff package
795      - flow directives:
796        + new for S/R do_the_model_io
797        + enhanced for S/R checkpoint
798        + new gmredi.flow
799      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
800        disable adcommon.h/g_common.h by default.
801      - fixed problem for adjoint of global_max
802    o modified verification/carbon/
803    o New setup for adjoint of global_ocean
804    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
805    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
806    o incorporated hooks for sponge layer code (external_forcing.F)
807    
808    checkpoint45d_post
809    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
810    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
811      (affects plume_on_slope "cg2d" output)
812    o add new parameter deltaTfreesurf for free-surface time stepping
813    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
814    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
815    o change phiMin in exp1 (to agree with documentation)
816    o add new flags:
817     - T,S forcing inside/outside Adams-Bashforth
818     - turn off temp,salt advection and/or forcing
819     - for each tracer, define internal flag for multiDimAdvection & A-B
820    o monitor: change definition of KE to check conservation of Energy
821    
822    checkpoint45c_post
823    o Removed f90 comments ("!")
824    o Modified initialisations to enable exf package for MITgcm
825      (without invoking ECCO_PACKAGE).
826    o modifications to gradient check package (Martin Losch)
827      - enable centered differences
828      - modified format of standard output
829    
830    checkpoint45b_post
831    o cleaned exchange calls in cg2d
832    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
833    o included CPP option SINGLE_LAYER_MODE in thermodynamics
834      to configure barotropic setup (Martin Losch)
835    o moved some initialisations within bi,bj loop in dynamics
836      (TAF flow dependency)
837    o in initialise_varia, moved call packages_init_variables
838      before convective_adjustment_init
839      (corresponding adjustment of TAF tape initialisation).
840    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
841    
842    checkpoint45a_post
843    o compute Rho over the whole domain (extend iMin,jMin indices)
844    o specific exchange for X-slice domain (case Ny=1)
845    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
846    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
847    
848    checkpoint44h_post = checkpoint45
849    o Fix to restore differentiability:
850      place at which packages_init_variables is called in
851      initialise_varia is crucial for reverse control flow.
852    o modifications in GMRedi to enable stable adjoint
853      (corresponding modif's in thermodynamics, dynamics)
854    o added missing hook for sponge layer code in external_forcing
855    o modified test cost functions
856    o storing in gad_advection (plus removal of write(0,*)!
857    o missing headers TR1.h added in convective_adjustment routines
858    o errorMessageUnit set non-equal zero in eeboot
859      (conflict on some platforms, e.g. IBM SP3)
860    o modified carbon verif.
861    
862    checkpoint44h_pre
863    o vertical grid option: allow to put the Interface at the middle between
864      2 cell-centers ; replace delZ in pkg/kpp by drF.
865    o GM Advective form: Tracers are advected using the residual transport (=
866      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
867    
868    checkpoint44g_post
869    o fix surface correction term in multiDimAdvection (affects plume_on_slope
870      results) ; ifdef missing in thermodynamics.F
871    
872    checkpoint44f_pre,checkpoint44f_post
873    o added PTRACERS package
874      This allows an arbitrary number of passive tracers to be integrated
875      forward simultaneously with the dynamicaly model.
876      + Implemented so far:
877        - basic forward algorithm (time-stepping, advection, diffusion, convection)
878        - I/O and checkpointing
879        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
880      + Not implemented so far:
881        - KPP
882        - OBCS
883      + No specific example supplied (yet) but global_ocean.90x40x15 has the
884        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
885        line in data.pkg.
886      + This package is disabled by default since it increases storage.
887    
888    
889    o testscript: added -cleanup option
890    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
891                 b) enable to filter 2D fields.
892    
893    checkpoint44e_pre,post
894    o re-wrote convective adjustment to use pre-calculated weights
895      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
896      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
897      Original calls to convect() still in place.
898    
899    chkpt44d_pre,post
900    o added missing EXCLUDE_MONITOR flags
901    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
902      (incompatible typ in MIN/MAX expressions caused problems
903      on IBM SP3)
904    o in genmake added variable MAKEDEPEND
905      plus resetting for case SunOS
906    o added timer_stats.c routine for IBM SP3
907    o removed variables in dynamics
908    !!! I forgot to create tag chkpt44d_pre !!!
909    !!! But chkpt44d_pre = chkpt44c_post    !!!
910    
911    o real fresh water flux implemented with non-linear free-surface.
912    
913    chkpt44c_pre,post
914    o few fix (mask in shap_s2, EmPmR in external_field_load,
915      USE_NATURAL_BCS in solve_for_P);
916    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
917    
918    checkpoint44b_pre/_post
919    o merge of relevant stuff from the ecco-branch:
920      - genmake: removed $S64 overwrite for case SunOS
921      - pkg/exf: update and corrections for field swapping and obcs
922      - pkg/ecco: parameter lists for the_model_main, the_main_loop
923                  harmonized between ECCO and MITgcm
924      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
925                      updated checkpointing_lev... lists for obcs
926      - model/src: minor changes in forward_step, plot_field
927                   added directive for divided adjoint in the_main_loop
928      - pkg/mdsio: added mdsio_gl_slice
929    
930    o check parameters & config (chkpt44a_pre,post)
931    o OBC and NonLin_FrSurf.
932    
933    checkpoint44
934    o fix bug in mom_vi_del2uv
935    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
936    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
937    o update AIM experiments (NCEP input files)
938    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
939    o added some stuff for AD
940    
941    checkpoint43
942    o added two new advection tests
943    o added global 4x4 degree ocean test
944    o added test of H&S94 with free surface on cube
945    o some final mods for gradient check, adjoint,...
946    
947    checkpoint42
948      Fixed AD-related problems:
949    o Store directives up-to-date with re-arranged Adams-Bashforth
950      (mainly thermodynamics.F)
951    o New store directives for multi-dim. advection schemes
952      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
953      * new common block and key passkey
954      (mainly gad_advection.F)
955    o Modified store directives for split of dynamics/thermodynamics
956      for the case ALLOW_KPP
957    o Cleaned argument list for timestep_tracer.F
958    
959    checkpoint41
960    o re-formatted/added comments in prologues of key subroutines
961      to work with protex
962    
963    checkpoint40
964    o moved calc_gs, calc_gt and calc_tr1 back to model/src
965    o added FLT (floats) package from Arne along with demo. experiment
966    o re-arranged Adams-Bashforth scheme for tracers to allow easier
967      implementation of forward-in-time forcing terms
968    o more mods for non-linear free-surface including new variable
969    o modified multi-dim method to work on cube
970    o bug fix in KPP (from DM)
971    
972    checkpoint40pre9
973    o added DST advection schemes
974    o fix MPI bug on SGI's
975    o modifications for non-linear free-surface
976    o fixed conditionals for fixed flow/passive tracer only mode
977    o added tension/strain form of stress tensor
978    o changes to commenting of arguments for TAF/TAMC
979    o added/updated many matlab scripts
980    o added multi-dimensional advection method for tracers
981      
982    checkpoint40pre8
983    o new package rw/
984      Added method for dumping intermediate local arrays:
985      mdsio_writetile - same as mdsio_writefield except works from inside
986                        bi,bj loop
987      mdsio_writelocal - same as mdsio_writetile except works for local
988                         arrays
989      write_local_r? - higher-level wrapper for mdsio_writelocal
990      Controlled by diagFreq. Defaults to zero (ie. no dumps)
991      Example given at end of mom_vecinv.F that dumps some local arrays.
992    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
993      control flux-form versus vector invariant code.
994      Switch is runtime flag vectorInvariantMomentum (defaults to false)
995      or genmake -DISABLE ...
996    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
997      (additional storing is now needed for case vecinv;
998      currently nothing implemented to switch this storing off
999      in case fluxform is used since no CPP flag available).
1000    
1001    checkpoint40pre7
1002    o bug fix in dynamics.F
1003      calc_viscosity called before k=1,Nr loop.
1004    o added some #ifdef's ALLOW_PASSIVE_TRACER
1005    o cleaned initialisations in ctrl_map_ini
1006      related to TAF
1007    
1008    checkpoint40pre6
1009    o split dynamics into thermodynamics & dynamics
1010    o corresponding split of calc_diffusivity into
1011      calc_diffusivity, calc_viscosity
1012      (kpp_calc_diff, kpp_calc_visc).
1013    o Added diffkr, kapgm to control variables
1014    o bug fix in gmredi_slope_limit for ldd97
1015    
1016    checkpoint40pre5
1017    o proper initialization of Adams-Bashforth time stepping
1018      + uses forward step for very first step of model (iter=0)
1019    o re-generated *all* output since almost all output is modified by this
1020      change (sorry but we've been putting this one off for about 2 years)
1021      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
1022        *not* regenerated since they are already out of date and I don't
1023        want to create the impression that they are suddenly working.
1024    o removed KAP stuff for DEC's
1025    o modified/added many .cvsignore files in */code and */input
1026    o added new expt "solid-body.cs-32x32x1"
1027      + this uses an alternative form of ini_curvilinear_grid.F which
1028        is not necessarily any better than the current one...
1029    
1030    checkpoint40pre4
1031    o added re-initialisations of utrans,vtrans,rtrans in
1032      calc_common_factors which are crucial for TAF.
1033    o extended iMin,jMin range for calc_common_factors,
1034      calc_diffusivity
1035    o added option ALLOW_PASSIVE_TRACER
1036    o a few minor updates and fixes
1037    
1038    checkpoint40pre3
1039    o created calc_gtr1.F for gad package
1040    o split the_main_loop and re-introduced forward_step
1041    o some recomputations of nIter0 for TAMC
1042    
1043    checkpoint40pre2
1044    o Updated to latest branch of AJA, JMC
1045    o Added gradient check package
1046    o Added routines for passive tracer handling
1047    o Added carbon sequestration sensitivity experiment
1048    
1049    checkpoint39
1050     o Modifications and fixes to support TAMC
1051       (mainly missing or wrong directives)
1052     o Corrected common blocks when fooling TAMC to produce adjoint I/O
1053       in addummy_in_stepping
1054     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
1055     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
1056     o Included following packages:
1057       cal: calendar
1058       exf: external forcing
1059       ecco: essential routines to control use of cal, exf
1060             (NB: this is not the full ECCO environment)
1061     o disabled some packages by default in genmake
1062    
1063    checkpoint38
1064     o see notes_c37_adj.txt
1065     o corrected wrong layer index in external_forcing_t
1066     o replaced the_main_loop/forward_step by the_main_loop
1067     o removed forceoutput from write_state
1068       (replaced criteria for initial/final state)
1069     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
1070    
1071    checkpoint37
1072     o mdsio.F routine split and packaged in pkg/mdsio
1073       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
1074        used unless genmake -disable=mdsio)
1075     o allow a more precise surface-geopotential gradient for the atmosphere
1076       taking into account the change in space of Alpha (=1/rho) at the surface.
1077     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
1078       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
1079     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
1080       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
1081       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
1082     o Time-Average diagnostics defined as a pseudo package "timeave".
1083     o pickup files : old pickup (before c35) did not work with new code (c35
1084       and after) unless activating 2 commented lines in initialise-varia.
1085     o Non-Hydrostatic pickup file Pb fixed.
1086     o bug with Rigid-lid version (since c35) fixed.  
1087    
1088    checkpoint36
1089     o implement Crank-Nickelson barotropic time-stepping
1090     o recover Time-Average diagnostics
1091     o fix Pb in checkpoint (PR#19)
1092     o AIM become a standard package ; clean unused CPP_kees
1093    
1094    checkpoint35
1095     o subtantial rewrite of dynamics.f
1096     o allows staggered time-stepping
1097     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
1098     o added bottom drag (linear + quadratic)
1099    
1100    checkpoint34
1101     o Modified exchange routines for correct reverse simulation.
1102     o Added verification output to comply with bug fix in impldiff.F
1103       as of c33 (exp2, natl_box).
1104     o Corrected store directives in dynamics.F
1105     o Corrected array boundaries in impldiff.F
1106     o Corrected array dimensions in gmredi.
1107       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
1108     o Added routine GLOBAL_SUM_INT to global_sum.F
1109     o Added mdsio_gl.F for ECCO purposes.
1110    
1111    checkpoint33
1112     o Fixed bug in lower BC in impldiff.F
1113     o Fixed confusion about units of forcing arrays in FFIELDS.h
1114       namely Fu,Fv,Qnet,Qsw,EmPmR:
1115       - Removed verification/natl_box/code/external_fields_scale.F
1116         (did not differ from that in model/src)
1117       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
1118         (see FFIELDS.h for description)
1119       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
1120         kpp_calc.F and kpp_transport_t.F
1121       - Removed model/src/external_fields_scale.F and calls to it
1122       - verification/natl_box uses flux data with "atmospheric" sign so
1123         a special version of external_fields_load.F is used to
1124         change the data as it's read in. This way, the arrays
1125         have the right units and signs at all times tha a user could
1126         possibly use them.
1127     o Corrected genmake to delete a temporary file during configuration
1128    
1129    checkpoint32
1130     o Scaling of forcing fields moved from external_forcing.F to
1131       external_fields_scale.F, called directly after loading fields.
1132     o Surface relaxation terms added to surface tendency fields in
1133       extra subroutine.
1134     o impldiff.F changed to avoid storing by TAMC of huge intermediate
1135       fields.
1136     o Changes in GMRedi to comply with packaging structure.
1137     o Modifications and bug fixes in KPP package.
1138     o Verification experiment for KPP added (verification/nat_box/)
1139    
1140    checkpoint31
1141     o Packages interface brought in line with defined standard
1142       -> new routines packages_...F
1143       -> changes in initialise_fixed.F, initialise_varia.F
1144       -> enables initialisation interface for ECCO package
1145     o Rescaling of external forcing fields immediately after read
1146       (removed from external_forcing.F)
1147       -> new: surface_fields_scale.F
1148       -> affects ini_foorcing.F, external_fields_load.F
1149     o Computation of surface tendencies before tendency updates.
1150       -> new: external_forcing_surf.F
1151     o Change of variable names useGMRedi, useKPP, useECCO
1152     o Further changes in dynamics.F, impldiff.F for TAMC
1153     o Tested for experiments 0, 2, 4.
1154       - not yet tested for GMRedi.
1155       - not yet tested for KPP.
1156    
1157    checkpoint30
1158     o Updates for OBCs
1159     o New experiment for test OBCs (internal_wave)
1160     o New output.txt in verification/exp4/results/
1161     o Updates for KPP: calculation of viscosity corrected, new variables
1162       kpp_dumpFreq and kpp_taveFreq
1163     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
1164       and entry for T90 in genmake
1165    
1166    checkpoint29
1167     o packaged KPP and GM/Redi
1168    
1169    checkpoint28
1170     o Corrected initialization of hFacMin for difference vertical coordinates
1171     o Modified calculation of partial cell thickness to more robust algorithm
1172     o config_summary.F: replaced write_1D_... by write_0D_...
1173       read_write.F: added subroutines write_0D_...
1174     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
1175       included some initialisations required for TAMC.
1176     o routine calc_isoslopes: modified sqrt computation to make it
1177       differentiable for zero argument.
1178     o routines dynamics, impldiff:
1179       included store directives and tape key computations required for TAMC.
1180     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
1181    
1182    checkpoint27
1183     o fixed calc_isoslopes() to so that cancellation of terms in tensor
1184       formulation works properly with variable resolution.
1185     o restructured the calling tree between the_model_main() and dynamics()
1186     o split initialise() into initialise_fixed() and initialise_varia()
1187     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
1188       in new routine ini_psurf()
1189    
1190    checkpoint26
1191     o moved some #ifdef in optional routines to encompass everything
1192       except the argument declarations. This was using up some memory.
1193     o fixed macros like _ADT to work with both versions of Linux cpp
1194     o cleaned up some unused and uninitialized variables
1195       (helps when debugging with strict compile options)
1196     o split up CPP_EEOPTIONS.h into options and macros
1197       (macros are now in eesupp/inc/CPP_EEMACROS.h)
1198     o patch for 2 processor JAM mode
1199    
1200    checkpoint25
1201     o updates for OBCs and NH
1202     o dramatically reduced memory usage
1203     o added "JAM" routines for use on Artic network
1204     o parameterization of convection by implicit vertical diffusion
1205     o added a diagnostic of convective index
1206     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
1207       (this is was partly for OBCs and NH but also in anticipation of
1208        an explicit free-surface option)
1209     o initial state input files for U and V
1210    
1211    checkpoint24
1212     o Removed some spurious "REAL"s
1213     o Updated KPP to latest version from JPL
1214     o Added a COS(latitude) in horizontal viscosity
1215    
1216    checkpoint23
1217     o Added del^4 diffusion for salt and temperature
1218     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
1219    
1220    checkpoint22
1221     o Made many small changes: implicit none, format(i5), etc...
1222     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
1223    
1224    checkpoint21
1225     o Introduced new I/O package that supports direct-access records (mdsio.F)
1226     o Split-up mid-level I/O routines
1227     o Updated input data for experiments 0,1,2,4 and 5
1228     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
1229    
1230    checkpoint20
1231     o Tidied up open-boundaries some more
1232     o Added non-hydrostatic code
1233     o Fixed some input data
1234     o Modified MPI start-up to work in "coupled" context.
1235    
1236    checkpoint19
1237     o Tidied up directory structure for verification experiments.
1238     o Added new code for open boundaries.
1239     o Corrected advective terms near boundaries.
1240     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
1241     o Implemented free-slip/no-slip BCs and del^4 dissipation.
1242     o Split default parameters out of ini_parms.F into set_defaults.F.
1243    
1244    checkpoint18
1245     o Further changes for optional code generation with
1246       CPP - ugh!
1247    
1248    checkpoint17
1249     o Beginning to incorporating modularity
1250       for supporting atmos. and ocean configs.
1251     o Small changes for TAMC complinace
1252     o New ultra simple test case. Barotropic box
1253       configuration "exp0".
1254    
1255    checkpoint16
1256     o Minor changes to exchange routines to support
1257       accumulation in reverse mode. Adjoint of an
1258       assignment is an addition.
1259     o Changes to support compilation by TAMC (LR(1)
1260       syntax) and by g77 under Linux ( 72 character
1261       limit ).
1262    
1263    checkpoint15
1264     Rewrote exchange routines to allow
1265     o General tile <-> tile connectivity.
1266     o TAMC reverse mode flag ( is this really needed? )
1267     o Variable width overlap and exchange region widths.
1268     o Hooks for sharing data via DMA, Arctic, Memory Channel,
1269       shmput/shmget, VIA, SYSV shmem and every other cool
1270       communication method.
1271    
1272    checkpoint14
1273     Consistent isomorphism chages made. These allow dynamical core
1274     to support both pressure and meters as a vertical coordinate.
1275    
1276    checkpoint13
1277     Release which corrects global_max problem and a couple
1278     of KGM time-averaging diagnostic errors. Also contains
1279     a double-gyre experiment setup as well as the baseline
1280     4 degree global template. The double gyre template is
1281     organised to allow it to be applied automatically to
1282     the baseline configuration.
1283    
1284    branch-point-rdot
1285     A few tidy-ups have been made bt the real point of this
1286     check-point (excuse the pun) is to allow a branch to be
1287     made for the purposes of adding the rDot alterations.
1288     I don't want to commit the rDot to the main-trunk until
1289     we've actually tested it...
1290    
1291    checkpoint12
1292     Tidy up and added generic genmake script (formerly
1293     configure script).
1294     Released to testers.
1295    
1296  checkpoint11  checkpoint11
1297   Re-arranged initialise() and introduced ini_vertical_grid()   Re-arranged initialise() and introduced ini_vertical_grid()
1298   and ini_masks_etc().   and ini_masks_etc().

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