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revision 1.75 by jmc, Thu Jun 20 23:52:03 2002 UTC revision 1.203 by edhill, Tue Nov 4 21:42:15 2003 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint51s_post
7    o cleanup: removed various obsolete #define-s
8    
9    checkpoint51r_post
10    o cleaned up or removed CPP_OPTIONS.h files
11    o updated results for some of the tests to reflect the new
12      optfiles (-ieee: -O0 instead of -O3)
13    
14    checkpoint51q_post
15    o cd_code:
16      - moved cd_scheme.F -> cd_code_scheme.F
17      - separate read_checkpoint from cd_code_ini_vars.F
18      - separated cd_code part from write_checkpoint
19      - updated AD_SOURCE, generated .flow
20      - added CD_CODE_VARS.h to the_main_loop
21      - Moving cd_code specific store dir.s to pkg/cd_code
22    o ctrl package totally restructured
23      - pack/unpack now optional and decoupled from
24        xx_/adxx_ I/O
25      - ctrl_pack/unpack cleaned
26        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
27      - confined inclusion of AD_CONFIG.h to where necessary.
28    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
29    
30    checkpoint51p_post
31    o create initial cd_code package
32      - WARNING: the initialization of fields within packages
33        is broken because INI_FIELDS (where READ_CHECKPOINT is
34        called) is called *before* PACKAGES_INIT_VARIABLES.
35        This seems to be backwards since
36        1) its important to initially zero the entire field including
37           the "halo" region
38        2) zeroing needs to be done *before* reading pickup info
39           and the pickup call might or might not happen in any
40           particular run
41      - this needs an overhaul for R2
42    o cleanup verification/*/code/GMREDI_OPTIONS.h
43    o cleanup testreport
44    
45    checkpoint51o_post
46    o bringing AD-related verif's up to date with genmake2
47      - carbon/
48      - global_ocean.90x40x15/
49      - hs.94.1x64x5/
50      - (front_relax/ )
51    o (more) consistent directory structure for AD-related verif.'s
52    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
53    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
54    o bug fix in find_alpha.F for MDJWF:
55      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
56        change rho -> rho-rhoConst
57      - replace call find_rho to find_rhonum
58    o initialisation of rFlx extended to full array (required by TAF)
59      and shifted to thermodynamics
60    o removed PTRACERS.h in ptracers routine
61    o added surfacetendencyPtr to S/R parameter list pracers_forcing
62    o Correcting initialisations for fVerU, fVerV.
63    o helping TAF to recognize dependency on kUp for
64      fVerU, fVerV
65    o Replacing delZ by delR in pkg/ctrl/
66    checkpoint51o_pre
67    
68    o undid all of cp51 pending some cleanups and discussion
69    o added the [#include "AD_CONFIG.h"] statement to all files that need
70       it for adjoint/tl #defines
71     o re-worked the build logic in genmake2 to support AD_CONFIG.h
72     o removed tools/genmake since it no longer works
73    
74    checkpoint51n_post
75    o modifications to make FREEZE flux visible to pkg/kpp
76      - moved surfaceTendencyTice from pkg/seaice to main code
77      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
78      - subroutine FREEZE now limits only surface temperature
79        (this means new output.txt for global_ocean.90x40x15,
80         global_ocean.cs32x15, and global_with_exf)
81    o added surface flux output variables to TIMEAVE_STATVARS
82    
83    checkpoint51n_pre
84    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
85    o added [#include "AD_CONFIG.h"] to all files that use the following
86      defines:
87      - ALLOW_ADJOINT_RUN
88      - ALLOW_TANGENTLINEAR_RUN
89      - ALLOW_ECCO_OPTIMIZATION
90    
91    checkpoint51m_post
92    o incorporating changes to get TAMC/TAF working in genmake2
93      - added new TAMC/TAF targets to the Makefile
94      - various cleanups related to package handling
95      - these changes should have no impact on the forward model
96    
97    checkpoint51l_post
98    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
99     - faster algorithm for cal_addtime.F
100     - higher precision arithmetic, where needed
101     - pkg/exf *startdate variables changed from calendar date to
102       model integration time
103    
104    checkpoint51l_pre
105    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
106    o enable to apply restoring on S & T only in a latitude band.
107    o update output (external_forcing_surf modif. change truncation errors)
108       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
109    
110    checkpoint51k_post
111    o change default to: useNHMTerms=.FALSE.
112     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
113       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
114     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
115        exp1, ideal_2D_oce
116     - change data file of oceanic exp (leave the results unchanged for now)
117       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
118    o set gravitySign automatically according to the vertical coordinate used
119      (and change sign: back to "logical" value: +1 when R increases downward)
120    o added an include barrier to the default CPP_OPTIONS.h and
121      removed the #include "PACKAGES_CONFIG.h" from it
122    o fix a bug in mom_fluxform (from chk51j_post)
123    
124    checkpoint51j_post
125    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
126    o adjusted some flow directives (dynamics, thermodynamics)
127    o added cubed-sphere case to test cost function
128    o heckpoint_lev?_directives.h now include
129      pkg-specific directives, whenever those are enabled.
130    o Moving pkg-specific flow directives to corresponding pkg
131      Moving pkg-specific differentiation list to corresponding pkg
132      Moving pkg-specific checkpoint-lev storing to corresponding pkg
133      ---> conventions are
134           - pkg_ad.flow
135           - pkg_ad_diff.list
136           - pkg_ad_check_lev?_dir.h
137    
138    checkpoint51i_post
139    o merge of the branch-genmake2
140      - knowingly breaks the older genmake
141      - automatic generation of all ALLOW_${PKG_NAME} defines
142      - new testreport supersedes older testscript
143    o large number of package inclusion and header cleanups
144    checkpoint51i_pre
145    
146    o new output for adjoin of global ocean vector invariant
147    o fix for checkpoint of thermodynamic seaice and bulk_force
148    o Steph gchem various cleanups
149    
150    checkpoint 51h_pre
151    o fixed some single quotes
152    o modify gchem pkg to be more versatile
153    o modifications to clean up dic pkg
154    o add pkg/cfc
155    
156    checkpoint51g_post
157    o provide links for ARPACK and ADM*TLM
158    o start removing verification/vero/
159    o update AD-related stuff
160      (in particular some IF-statements in model/src/ routines)
161    o adding to verification/global_ocean.90x40x15/ adjoint of
162      vector invariant setup
163    
164    checkpoint51f_post
165    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
166    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
167      of tracer Green's fucntions for ocean inversion project.
168    
169    checkpoint51f_pre
170    o Added on-the-fly spatial interpolation capability
171        "USE_EXF_INTERPOLATION" to pkg/exf.
172      - This is a temporary Cartesian-grid hack until
173        the super-duper ESMF coupler becomes available.
174      - See verification/global_with_exf/README for usage example.
175      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
176        flags and modified pkg/seaice accordingly.
177    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
178        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
179        non-local transport term.
180    
181    checkpoint51e_post
182    o pkg/mom_vecinv:
183      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
184      - add time-ave diagnostic of vorticity advection.
185    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
186    o atmospheric geopotential: - include water vapor effect;
187                                - use p^kappa in p* scaling.
188    o land pkg: read initial state from files.
189    o AIM : add stratospheric drag in the upper level
190    
191    checkpoint51d_post
192    o change function ILNBLNK (=> last non-blank char.) to return zero
193      (instead of the string length) when the string. char is empty
194    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
195    o modif's to restore TAMC compatibility
196      - avoid "_d" constructs in PARAMETER declarations
197      - avoid interrupting lines by comment lines
198    o Use cluster local disks for purely local I/O
199      vs. globally visible disks needed for ctrl stuff
200      (merged from ecco-branch)
201      - new active_file_loc... and mdsio_..._loc routines
202      - affected packages: autodiff, ctrl, grdchk, mdsio
203    
204    checkpoint51c_post
205    o introducing integer flag debugLevel
206      - debLevZero: suppress all output
207      - debLevA: standard
208      - debLevB: equivalent to current debugMode=.TRUE.
209    o introducing pathname variable mdsioLocalDir for mdsio
210      that can be specified at runtime
211      (relevant for cluster I/O to local disk)
212    `
213    >>>checkpoint51b_post
214    adjoint of ptracers
215    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
216    o extended state in checkpoint_lev?, etc.
217    o alternative ctrl/cost with tr1 or ptracer
218    o new comlev1_bibj_ptracers
219    o new ptracers.flow
220    o made ptracers_forcing same as external_forcing_s
221    o added verification for adjoint with ptracers
222      - adm. grdchk fail so far
223      - tlm. grdchk OK
224      - checked tapelev/comlev recomputations: OK
225    <<<checkpoint51b_pre
226    
227    checkpoint51a_post
228    o added code for biogeochemistry package
229      - new pkgs: dic, gchem
230      - new subroutine in ptracers
231    o modify code for biogeo packages
232      - in model/src and pkg/ptracers
233    
234    checkpoint51
235    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
236      - autodiff, ctrl, exf, grdchk, seaice
237      kept separate packages
238      - cost, ecco, obcs
239    o updating verification/internal_wave, verification/lab_sea
240      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
241    
242    checkpoint50i_post
243    o Preparing next differentiable checkpoint and sync
244      of MAIN vs. ecco-branch
245      - 1st step: this one is differentiable
246      - 2nd step: next(! not this) checkpoint will have updated packages
247                  from ecco-branch)
248    
249    checkpoint50h_post
250    o new package "land": provide surface BC for AIM.
251    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
252    o AIM: use true log-P extrapolation for near surface temp (= as in
253        F.Molteni paper) ; update aim.5l_cs output.
254    o New variable in PARM03 for more flexible pickups
255    o somewhat cleaned package initialisation sequence for
256      ctrl/ cost/ ecco/ in packages_... routines
257    
258    checkpoint50g_post
259    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
260      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
261      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
262        made the default because of faster convergence than ADI
263    
264    checkpoint50f_post
265    o exf totally restructured
266      - replaced all exf_set_ routines by one generic exf_set_gen.F
267        and made sure it's still differentiable
268      - split exf_getffields.F into new exf_bulkformulae.F
269      - exf_inscal_/exf_outscal_ suffixes consistent with field names
270      - updated adjoint/makefile and relevant verif. accordingly
271    
272    checkpoint50f_pre
273     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
274          + change Evap over land. (update aim.5l_cs output)
275     o added missing .cvsignores and made uniform across expts
276     o changed configuration of tidal_basin_2d expt
277     o added pkg/debug functions for tracing code in fatal crashes
278     o tidied pkg/monitor to use MONITOR_OPTIONS.h
279     o new fn in pkg/monitor to stop model if solution grows too big
280     o removed lots of single quotes from comments
281    
282    checkpoint50e_post
283    o make KPP work with PTRACERS
284     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
285       nearly a copy of kpp_transport_s
286     - there is no analogue to SurfaceTendencyS, so I have to use
287       gPtr(of the surface layer) instead
288    o add a new platform SunFire+mpi (SunFire 15000) to genmake
289    checkpoint50e_pre
290    
291    checkpoint50d_post
292    o change kpp output from multiple-record state files to single-record state
293      files analogous to write_state.F
294    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
295      analogous to the cg2d-related output.
296    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
297      so that writing to internal file fn (with length 512) fails.
298    checkpoint50d_pre
299    
300    checkpoint50c_post
301    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
302    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
303    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
304    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
305    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
306    
307    checkpoint50c_pre
308    Merging from release1_p13:
309    o bug fix for pkg/seaice dynamic solver
310    o Added SEAICE_initialHEFF to pkg/seaice
311    
312    checkpoint50b_post
313    o store u*,v* in gU,V instead of in guNm1,gvNm1
314    o in order to put the momForcing out of the Adams-Bashforth:
315      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
316      to timestep.F
317    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
318    o re-generate output for highly sensitive test-exp:
319       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
320    
321    checkpoint50b_pre
322    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
323    o corrected CPP option mismatch in exf_Bulk... functions for case
324      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
325    
326    checkpoint50a_post
327    o Bug fix for merging between c50 and KPP.
328      ikey was passed from thermodynamics to kpp_calc via
329      common block rather than being recomputed in kpp_calc,
330      in contradiction with new key itdkey.
331      New key ikppkey created, and tamc.h headers updated.
332    
333    checkpoint50
334    - 2nd step of merge with ecco-branch:
335      merge changes in ecco-branch back into main trunk
336    - bug fix in find_alpha
337    - more storing in gmredi_calc_tensor.F, kpp_routines.F
338    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
339    - merged some sliced AD support routines
340    
341    checkpoint49
342    merged from ecco-branch:
343    o exf:
344      - Enable initialisation of forcing fields to constant
345        (runtime) values.
346      - in exf_getffields.F
347        Reduce i-/j-loop to interior domain, discarding overlaps.
348        That also fixes wrong TAF-key computations for key_1, key_2
349        with bulf formulae.
350      - exf_init.F modify #ifdef for exf_init_evap
351      - exf_getffieldrec.F, ctrl_getrec.F
352        The following INT-usages are not safe:
353          fldsecs  = int(fldsecs/fldperiod)*fldperiod
354          fldcount = int(fldsecs/fldperiod) + 1
355        and were modified.
356    o autodiff: checkpoint_lev...
357      - updated storing for bulk formulae (some arrays were missing)
358      - added state for seaice package
359      - synchronized with main branch
360    o DIVA:
361      Modif.s in
362      - the_main_loop.F
363      - the_model_main.F
364      and added cost_final_restore.F cost_final_store.F
365      o With these changes, it is possible to fully separate
366        the first forward run to compute the cost function (mdthe_main_loop)
367        and adjoint runs over individual DIVA intervals (adthe_main_loop)
368        into separate model executions.
369        This enables better tuning of DIVA to given queue sizes.
370      o Loss of cost function value in consecutive DIVA runs is
371        fixed by storing to 'costfinal' file.
372      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
373        beginning/end of adjoint integration is accounted for.
374      The current changes apply to TAF-1.4.26.
375      TAF has one remaining bug, requiring one manual change
376      (see MITgcm manual).
377    o cal: synchronized between MAIN and ecco-branch
378    
379    checkpoint48i_post
380    o Changes to restore differentiability of code w.r.t. previous tag
381      (mostly adding new routines to make list and replacing
382      pressure by totPhiHyd).
383    o Updated and merged grdchk package
384      - has both ADM and TLM checks
385      - works for single- and multi-proc.
386      - output cleaned
387      - worked successfully for parallel DIVA
388    o genmake:
389      - Adding -platform=SP4
390      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
391    o Modif. for DIVA:
392      ctrl_unpack should not be called in intermediate DIVA interval.
393      (similar thing would apply for active files such as
394      tbar, sbar, psbar, which should not be reinitialised;
395      only relevant for ecco-branch)
396    
397    checkpoint48h_post
398    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
399    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
400    o Added SEAICE_initialHEFF to pkg/seaice
401    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
402    
403    checkpoint48g_post
404    --- EOS:
405    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
406      store total Potential in totPhyHyd for diagnostics & EOS.
407    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
408    --- Pressure/geopotential gradient:
409    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
410    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
411      ( changes results of global_ocean_pressure )
412    o NLFS + z-coord.: add eta*Rho' contribution.
413    o accurate phiHyd when using interface-W at the middle between 2 centers
414     ( changes results of ideal_2D_oce )
415    o includes r* 2nd term in potential gradient.
416    
417    checkpoint48f_post
418    Merging from release1_p12:
419    o Modifications for using pkg/exf with pkg/seaice
420      - improved description of the various forcing configurations
421      - added basic radiation bulk formulae to pkg/exf
422      - units/sign fix for evap computation in exf_getffields.F
423      - updated verification/global_with_exf/results/output.txt
424    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
425      (SBO) core products, including oceanic mass, center-of-mass,
426      angular, and bottom pressure (see pkg/sbo/README.sbo).
427    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
428      to avoid negative values in shallow regions.
429      - updated verification/natl_box/results/output.txt
430      - updated verification/lab_sea/results/output.txt
431    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
432    o Added useSingleCpuIO option (see PARAMS.h).
433    o Updated useSingleCpuIO option in mdsio_writefield.F to
434      work with multi-field files, e.g., for single-file pickup.
435    o pkg/seaice:
436      - bug fix in growth.F: QNET for no shortwave case
437      - added HeffFile for specifying initial sea-ice thickness
438      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
439    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
440      kpp_transport_t.F, forward_step.F, and the_main_loop.F
441    o pkg/seaice:
442      - adjoint-friendly modifications
443      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
444    
445    checkpoint48e_post
446    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
447    o dynamics: change definition of computational domain & adapt mom_fluxform
448      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
449    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
450        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
451        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
452        global_ocean.90x40x15 global_with_exf global_ocean_pressure
453        inverted_barometer solid-body.cs-32x32x1
454      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
455    
456    checkpoint48d_post
457    o in preparation for r*:
458     a) use pre-computed gradient of hydrostatic potential:
459        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
460     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
461        => affects results of glob_oce_pressure (different truncation error)  
462      update output.txt of ideal_2D_oce & global_ocean_pressure
463    
464    checkpoint48d_pre
465    o in preparation for r*:
466      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
467      pass the 2 comp. of the grad. as arguments to momentum S/R.
468      but for the moment, only used if it does not change the results.
469    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
470    
471    checkpoint48c_post
472    Modifications in treatment of initial flux forcing controls
473    to avoid extra storing of flux fields.
474    
475    checkpoint48c_pre
476    o Added tidal_basin_2d experiment (currently 1D!)
477    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
478    
479    checkpoint48b_post
480    o r* coordinate added in #ifdef NONLIN_FRSURF block.
481     (modification to pressure gradient not yet implemented)
482    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
483      (for U & V) that are used for vertical advection of momentum.
484    
485    checkpoint48a_post
486    o In preparation for r*, use temp. array to compute vertical transport
487       in flux-form momentum pkg. => change results of few test-exp.
488      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
489                        lab_sea, natl_box & plume_on_slope
490    
491    checkpoint48
492    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
493    
494    checkpoint47j_post
495    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
496    o moved adexch from forward_step to addummy_in_stepping
497    o added exch in ctrl_map_...
498    o aveFreq.=0. at end of cost_final to avoid overwrite in
499      reverse checkpointing loop
500    o Yet more changes in gmredi:
501      * adgmredi_calc_tensor
502        avoiding all recomputation of gmredi_slope_limit
503      * adgmredi_x/y/rtransport
504        added flag for excessive storing to avoid recomp. of
505        u/v/rtans, dTdx/y/z
506        -> this is not really necessary and very memory-consuming
507      * adgmredi_slope_psi:
508        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
509      * gmredi_slope_limit
510        re-activated full calculation of taperfct for case 'ac02'
511    o updating verification/ adjoints of carbon, global_ocean.90x40x15
512    
513    checkpoint47i_post
514    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
515    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
516      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
517    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
518    o gmredi: fix few bugs.
519    
520    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
521    This will be a good checkpoint to plug into the ecco-branch.
522    o few modif.'s to get latest version adjointed
523      (mainly kick out code in ini_linear_phisurf)
524    o modif's to run adjoint with exactConserv
525    o case GM_BOLUS_ADVEC should be cleaned
526      S/R gmredi_slope_psi should be cleaned
527    o verification/carbon now has exactConserv=.TRUE.
528    
529    checkpoint47g_post
530    o time-average AIM output: becomes independent from statvars time-average
531      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
532    o After TAF bug fix:
533      Tested adjoint of gmredi package.
534      Tests were done with checkpoint47 rather than with latest
535      checkpoint47f_post since the latter is broken for the adjoint
536      verification/carbon/ contains both ADM and TLM gradient checks.
537    Here they are, before they get changed/lost/stolen.
538    Mostly modif.'s to fix numerical sensitivities.
539    Gradient checks OK for
540    - GM_taper_scheme:
541      * clipping
542      * ac02
543      * linear
544      * glw91
545      * dm95
546      * ldd97
547    - GMREDI_OPTIONS:
548      * GM_VISBECK_VARIABLE_K
549      * GM_NON_UNITY_DIAGONAL
550      * GM_EXTRA_DIAGONAL
551      * GM_BOLUS_ADVEC
552    in conjunction with data.gmredi parameters to be checked in
553    in a few minutes under verification/carbon/code/
554    
555    checkpoint47f_post
556    Merging from release1_p10:
557    o modifications for using pkg/exf with pkg/seaice
558      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
559        and SEAICE_EXTERNAL_FLUXES
560      - pkg/exf CPP options EXF_READ_EVAP and
561        EXF_NO_BULK_COMPUTATIONS
562      - usage examples are Experiments 8 and 9 in
563        verification/lab_sea/README
564      - verification/lab_sea default experiment now uses
565        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
566    
567    checkpoint47e_post
568    o created a tag prior to creating a branch
569    
570    checkpoint47d_post
571    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
572      at the bottom boundary had an erroneous half slip boundary condition
573    o added bottom drag and no slip boundary condition capabilities to
574      oceanic pressure coordinates code
575    o added new verification experiment global_ocean_pressure, this experiment is
576      also described in the tutorial section of the manual
577    checkpoint47d_pre
578    
579    checkpoint47c_post
580    o Added a verification experiment for a global cubed-sphere ocean run
581      -  verification/global_ocean.cubed32x32x30
582      -  uses pkg/therm_seaice and pkg/bulk_forcing
583    
584    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
585    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
586      when using P-coordinate; only implemented for atmospheric config.
587    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
588      NOTES: requires option NONLIN_FRSURF to be "#define".
589    o update advect_xz/results/output.txt (left from checkpoint44g_post)
590    
591    checkpoint47b_post
592    Merging from release1_p9:
593    o pkg/seaice
594      - removed GOTO's and added taf directives
595      - double precision constants to reduce the g77 (Linux)
596        to F77 (SGI) differences reported in release1_p8
597    o tools/genmake
598      - added SGI options
599    o verification/testscript
600      - updated to that of checkpoint47a_post
601    o verification/global_ocean.90x40x15/input/eedata
602      - modified for SGI f77 compatibility
603    o verification/lab_sea
604      - added description of sea-ice model
605      - added missing matlab routines
606      - added test of thermodynamics parallelization
607    
608    checkpoint47a_post
609    o new pkg: aim_v23
610     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
611       for now, keep the same surface forcing as before.
612     - Part-Cell implemented into AIM; check that Heat & Water are conserved
613     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
614     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
615    o add diagnostic of surface correction term in monitor output
616    
617    o bulk_force and therm_seaice
618    - Two packages:  bulk_force (Bulk forcing)
619      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
620    - Earlier integration from Stephaine Dutkiewicz
621      and Patrick Heimbach.
622    - Two ifdef statements for compile time,
623       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
624    
625    checkpoint47
626    differentiable version of checkpoint46n_post
627    o bug fix in quasihydrostaticterms
628    o * "clean" adjoint code (in terms of extensive recomputations)
629        can now be obtained for all GMREDI options (i.e. for
630        - GM_VISBECK_VARIABLE_K
631        - GM_NON_UNITY_DIAGONAL
632        - GM_EXTRA_DIAGONAL
633        - GM_BOLUS_ADVEC )
634      * However, wrong gradient check problem remains unsolved.
635      * New CPP options have been introduced for different
636        tapering schemes
637    o external_fields_load now part of differentiation list
638    o pressure needs multiple storing;
639      would be nice to have store_pressure at beginning or
640      end of forward_step, e.g. by having phiHyd global (5-dim.)
641      (NB: pressure is needed for certain cases in find_rho,
642      which is also invoked through convective_adjustment).
643    o recomputations in find_rho for cases
644     'JMD95'/'UNESCO' or 'MDJWF' are OK.
645    o #define ATMOSPHERIC_LOADING should be differentiable
646    o ini_forcing shifted to begining of initialise_varia
647    o Incorporating QNVS line search routines into MITgcm
648      (this is separate code, and therefore not under pkg)
649      lsopt/, optim/
650    o Updated verification/carbon/
651      - #define GM_VISBECK_VARIABLE_K
652      - GM_taper_scheme    = 'ldd97'    
653    
654    checkpoint46n_post
655    Merging from release1_p8:
656    o verification/natl_box:
657      updating new external_fields_load routine
658    o New package: pkg/seaice
659      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
660      The sea-ice code is based on Hibler (1979-1980).
661      Two sea-ice dynamic solvers, ADI and LSR, are included.
662      In addition to computing prognostic sea-ice variables and diagnosing
663      the forcing/external data fields that drive the ocean model,
664      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
665      The implied surface heat flux is then stored in variable
666      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
667      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
668      non-local transport term.  Because this call precedes model
669      thermodynamics, temperature under sea-ice may not be "exactly" at
670      the freezing point by the time theta is dumped or time-averaged.
671      N.B.: fairly large differences in accuracy occur across
672            different platforms/compilers; comparison between
673            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
674            generated output gives:
675       T           S           U           V
676      C D M    c        m  s        m  s        m  s        m  s
677      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
678      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
679      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
680    
681      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
682    o GAD:
683      - generated new common blocks to account for call of
684        same gad routines with differing traceridentities
685        (needed to modify tracerIdentity indices in GAD.h)
686      - generated separate common blocks for case useCubedSphereExchange
687        (Department of Futurology)
688      - parameter lists to gmredi_?transport: added tracerIdentity
689      - added new key indices to tamc.h
690    o external_fields_load:
691      - added this routine to TAF list
692      - needed to make some common blocks global and additional storing
693        along the same lines as exf package (checkpoint_lev?_directives.h)
694    o exf:
695      updated external forcing package
696      - bug fixes carried over from ecco-branch
697        (missing OBCS_OPTIONS.h in two routines)
698      - enable easy to use "no forcing".
699      - added exf I/O for atmospheric loading
700      - added exf I/O for runoff data
701      - transfered scaling between exf <-> MITgcm to exf namelist
702    o Adding new verification experiment global_with_exf.
703      This verification experiment is almost identical to the
704      global_ocean.90x40x15 experiment, except that it uses
705      the exf (and cal) package instead of the
706      external_fields_load routine (cf README file).
707    
708    checkpoint46m_post
709    o modified testscript to return -- when there are no lines of "%MON" output
710    o added new flag "quasiHydrostatic" for QH mode
711      and new routine quasihydrostaticterms()
712    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
713      New routine: mom_u_coriolis_nh()
714    o fixed sign of non-hydrostatic metric terms in u and v equations.
715      Depend on correct sign of gravitySign.
716    o added work.pc* to .cvsignore in aim directories using ifc
717    o introduced flag for controllin non-hydrostatic metric terms
718    o removed gravitySign from PARM04
719    o switched to g77/ifc from pgf77 in aim experiments
720    
721    checkpoint46l_post
722    o made convective adjustment work with pressure coordinates:
723     - changed the direction of k-loop in convective_adjustment.F for the
724       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
725     - adjusted the reference pressure k-index in convective_adjustment.F
726     - adjusted the convection condition in convect.F (in analogy to
727       calc_ivdc.F)
728     - convective_adjustment no longer computes anything on the halos
729     - removed the warnings about negative salinity from find_rho.F and
730       find_alpha.F; instead the new routine look_for_neg_salinity, called
731       at the beginning of find_rho, find_alpha, and find_beta, does a
732       check of the entire slice, if CPP-option
733       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
734    checkpoint46l_pre
735    
736    checkpoint46k_post
737    o fixed the verification/global_ocean.90x40x15 experiment:
738     - new bathymetry (the world according to A., JMC, and M.)
739     - new initial fields and forcing fields (*.bin files)
740     - new POLY3.COEFFS (for the next release one should switch to a full
741       equation of state: JMD95P or MDJWF)
742     - fixed several errors and redundancies in the data file
743     - experiment uses looped cells
744     - added matlab directory with diagnostic scripts for plotting of output
745    
746    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
747     - read AIM physics parameters from a file (data.aimphys)
748     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
749    
750    checkpoint46j_post
751    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
752    o move wVel computation at the end of the time step, in S/R integr_continuity
753    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
754    o update timeave pkg for wVel diagnostic.
755    checkpoint46j_pre
756    
757    checkpoint46i_post
758    o Clean up AIM package (and keep the results unchanged):
759      include CPP_OPTION and use IMPLICT NONE in all routines ;
760      declare all the variables _RL ; use _d 0 for all numerical constants.
761      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
762    
763    checkpoint46h_post
764    o cleaned up the use of rhoNil and rhoConst.
765      - rhoNil should only appear in the LINEAR equation of state, everywhere
766        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
767        and the dynamical equations are all divided by rhoConst
768    o introduced new parameter rhoConstFresh, a reference density of fresh
769      water, to remove the fresh water flux's dependence on rhoNil. The default
770      value is 999.8 kg/m^3
771    o cleanup up external_forcing.F and external_forcing_surf.F
772      - can now be used by both OCEANIC and OCEANICP
773    checkpoint46h_pre
774    
775     Added code to convert surface volume flux (fresh water) into
776     a mass flux when using P coordinates in the ocean (OCEANICP).
777     Note: It assumes you have set rho0=rhoConst=density of fresh water.
778    
779    checkpoint46g_post
780    o Include a new diagnostic variable phiHydLow for the ocean model
781      - in z-coordinates, it is the bottom pressure anomaly
782      - in p-coordinates, it is the sea surface elevation
783      - in both cases, these variable have global drift, reflecting the mass
784        drift in z-coordinates and the volume drift in p-coordinates
785      - included time averaging for phiHydLow, be aware of the drift!
786    o depth-dependent computation of Bo_surf for pressure coordinates
787      in the ocean (buoyancyRelation='OCEANICP')
788      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
789        Theta, Salinity, and Pressure in the parameter list. This routine is
790        presently contained in find_rho.F. This routine does not give the
791        correct density for 'POLY3', which would be a z-dependent reference
792        density.
793    o cleaned up find_rho
794      - removed obsolete 'eqn' from the parameter list.
795    o added two new verification experiments: gop and goz
796      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
797    checkpoint46g_pre
798    
799    checkpoint46f_post
800    o Enable tangent linear (forward mode) gradient checks:
801      - extended active file handling to g_... files
802      - added TANGENT_SIMULATION to theSimulationMode
803      - extended grdchk package accordingly
804    o added tangent linear setup in verification/carbon/code_ftl
805    o added adjoint setup in verification/front_relax/code_ad
806    
807    checkpoint46e_post
808    o Added new equation of state -> MDJWF
809      - EOS of McDougall et al., 2002, JAOT, submitted
810      - caveat: the equation of state is only valid for a smaller (more
811        realistic?) range of values than JMD95P/Z and UNESCO
812      - added masks to the calculation of pressure in store_pressure
813      - added more check values for density in check_eos (ini_eos.F), some of
814        the old check values are out of the range of the MDJWF-eos, so don't
815        expect perfect matches for those
816    checkpoint46e_pre
817    
818    checkpoint46d_post
819    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
820      'OCEANICP', also initialised field pressure correctly in ini_eos in the
821      case of pressure coordinates. eosType='JMD95Z' in
822      combination with buoyancyRelation='OCEANICP' now causes an error.
823    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
824      in find_alpha/beta.
825    checkpoint46d_pre
826    
827    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
828      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
829    
830    checkpoint46c_post
831    o Changes necessary for ocean in p-coordinates
832     -  Added new buoyancy relation = 'OCEANICP'
833     -  Added new parameters = gravitySign (this used to be contained inside
834        the factor dRdZ which I added when we first switched to R coordinates).
835     X GM/Redi is not compatible (yet)
836     X bottom drag and no-slip need to be debugged.
837    checkpoint46c_pre
838    
839    checkpoint46b_post
840    o Added new equation of state -> JMD95Z and JMD95P
841      - EOS of Jackett and McDougall, 1995, JAOT
842      - moved all EOS parameters into EOS.h
843      - new routines ini_eos.F, store_pressure.F
844    o Added UNESCO EOS, but not recommended because it requires
845      in-situ temperature (see JMD95)
846    o Modified formatting for knudsen2.f in utils/knudsen2 and added
847      unesco.f to be used with POLY3
848    checkpoint46b_pre
849    
850    checkpoint46a_post
851    o Added (atmospheric) pressure loading
852      - new field in FFIELDS.h, etc...
853      - new cpp flag ATMOSPHERIC_LOADING
854    o Changed hFacC to _hFacC in calc_phi_hyd.F
855    o Added SHORTWAVE_HEATING to some files for consistency
856    checkpoint46a_pre
857    
858    checkpoint46
859    further merges from release1_p5
860    o new ctrl package
861      - adopted from ECCO environment to enable optimization
862      - added Eliassen Palm fluxes to controls
863    o added Eliassen Palm flux controls to gradient check package
864    o cost package
865      - Compatible with new ctrl package
866      - added Eliassen Palm cost hooks
867      - modif's of existing cost functions
868    o Adjoint-related bug fixes in kpp:
869      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
870      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
871    o autodiff package
872      - flow directives:
873        + new for S/R do_the_model_io
874        + enhanced for S/R checkpoint
875        + new gmredi.flow
876      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
877        disable adcommon.h/g_common.h by default.
878      - fixed problem for adjoint of global_max
879    o modified verification/carbon/
880    o New setup for adjoint of global_ocean
881    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
882    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
883    o incorporated hooks for sponge layer code (external_forcing.F)
884    
885    checkpoint45d_post
886    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
887    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
888      (affects plume_on_slope "cg2d" output)
889    o add new parameter deltaTfreesurf for free-surface time stepping
890    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
891  o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B  o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
892  o change phiMin in exp1 (to agree with documentation)  o change phiMin in exp1 (to agree with documentation)
893  o add new flags:  o add new flags:

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