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revision 1.35 by jmc, Thu Feb 8 20:45:27 2001 UTC revision 1.100 by adcroft, Thu Nov 7 21:51:11 2002 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o added new flag "quasiHydrostatic" for QH mode
7      and new routine quasihydrostaticterms()
8    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
9      New routine: mom_u_coriolis_nh()
10    o fixed sign of non-hydrostatic metric terms in u and v equations.
11      Depend on correct sign of gravitySign.
12    o added work.pc* to .cvsignore in aim directories using ifc
13    o introduced flag for controllin non-hydrostatic metric terms
14    o removed gravitySign from PARM04
15    o switched to g77/ifc from pgf77 in aim experiments
16    
17    checkpoint46l_post
18    o made convective adjustment work with pressure coordinates:
19     - changed the direction of k-loop in convective_adjustment.F for the
20       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
21     - adjusted the reference pressure k-index in convective_adjustment.F
22     - adjusted the convection condition in convect.F (in analogy to
23       calc_ivdc.F)
24     - convective_adjustment no longer computes anything on the halos
25     - removed the warnings about negative salinity from find_rho.F and
26       find_alpha.F; instead the new routine look_for_neg_salinity, called
27       at the beginning of find_rho, find_alpha, and find_beta, does a
28       check of the entire slice, if CPP-option
29       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
30    checkpoint46l_pre
31    
32    checkpoint46k_post
33    o fixed the verification/global_ocean.90x40x15 experiment:
34     - new bathymetry (the world according to A., JMC, and M.)
35     - new initial fields and forcing fields (*.bin files)
36     - new POLY3.COEFFS (for the next release one should switch to a full
37       equation of state: JMD95P or MDJWF)
38     - fixed several errors and redundancies in the data file
39     - experiment uses looped cells
40     - added matlab directory with diagnostic scripts for plotting of output
41    
42    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
43     - read AIM physics parameters from a file (data.aimphys)
44     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
45    
46    checkpoint46j_post
47    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
48    o move wVel computation at the end of the time step, in S/R integr_continuity
49    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
50    o update timeave pkg for wVel diagnostic.
51    checkpoint46j_pre
52    
53    checkpoint46i_post
54    o Clean up AIM package (and keep the results unchanged):
55      include CPP_OPTION and use IMPLICT NONE in all routines ;
56      declare all the variables _RL ; use _d 0 for all numerical constants.
57      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
58    
59    checkpoint46h_post
60    o cleaned up the use of rhoNil and rhoConst.
61      - rhoNil should only appear in the LINEAR equation of state, everywhere
62        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
63        and the dynamical equations are all divided by rhoConst
64    o introduced new parameter rhoConstFresh, a reference density of fresh
65      water, to remove the fresh water flux's dependence on rhoNil. The default
66      value is 999.8 kg/m^3
67    o cleanup up external_forcing.F and external_forcing_surf.F
68      - can now be used by both OCEANIC and OCEANICP
69    checkpoint46h_pre
70    
71     Added code to convert surface volume flux (fresh water) into
72     a mass flux when using P coordinates in the ocean (OCEANICP).
73     Note: It assumes you have set rho0=rhoConst=density of fresh water.
74    
75    checkpoint46g_post
76    o Include a new diagnostic variable phiHydLow for the ocean model
77      - in z-coordinates, it is the bottom pressure anomaly
78      - in p-coordinates, it is the sea surface elevation
79      - in both cases, these variable have global drift, reflecting the mass
80        drift in z-coordinates and the volume drift in p-coordinates
81      - included time averaging for phiHydLow, be aware of the drift!
82    o depth-dependent computation of Bo_surf for pressure coordinates
83      in the ocean (buoyancyRelation='OCEANICP')
84      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
85        Theta, Salinity, and Pressure in the parameter list. This routine is
86        presently contained in find_rho.F. This routine does not give the
87        correct density for 'POLY3', which would be a z-dependent reference
88        density.
89    o cleaned up find_rho
90      - removed obsolete 'eqn' from the parameter list.
91    o added two new verification experiments: gop and goz
92      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
93    checkpoint46g_pre
94    
95    checkpoint46f_post
96    o Enable tangent linear (forward mode) gradient checks:
97      - extended active file handling to g_... files
98      - added TANGENT_SIMULATION to theSimulationMode
99      - extended grdchk package accordingly
100    o added tangent linear setup in verification/carbon/code_ftl
101    o added adjoint setup in verification/front_relax/code_ad
102    
103    checkpoint46e_post
104    o Added new equation of state -> MDJWF
105      - EOS of McDougall et al., 2002, JAOT, submitted
106      - caveat: the equation of state is only valid for a smaller (more
107        realistic?) range of values than JMD95P/Z and UNESCO
108      - added masks to the calculation of pressure in store_pressure
109      - added more check values for density in check_eos (ini_eos.F), some of
110        the old check values are out of the range of the MDJWF-eos, so don't
111        expect perfect matches for those
112    checkpoint46e_pre
113    
114    checkpoint46d_post
115    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
116      'OCEANICP', also initialised field pressure correctly in ini_eos in the
117      case of pressure coordinates. eosType='JMD95Z' in
118      combination with buoyancyRelation='OCEANICP' now causes an error.
119    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
120      in find_alpha/beta.
121    checkpoint46d_pre
122    
123    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
124      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
125    
126    checkpoint46c_post
127    o Changes necessary for ocean in p-coordinates
128     -  Added new buoyancy relation = 'OCEANICP'
129     -  Added new parameters = gravitySign (this used to be contained inside
130        the factor dRdZ which I added when we first switched to R coordinates).
131     X GM/Redi is not compatible (yet)
132     X bottom drag and no-slip need to be debugged.
133    checkpoint46c_pre
134    
135    checkpoint46b_post
136    o Added new equation of state -> JMD95Z and JMD95P
137      - EOS of Jackett and McDougall, 1995, JAOT
138      - moved all EOS parameters into EOS.h
139      - new routines ini_eos.F, store_pressure.F
140    o Added UNESCO EOS, but not recommended because it requires
141      in-situ temperature (see JMD95)
142    o Modified formatting for knudsen2.f in utils/knudsen2 and added
143      unesco.f to be used with POLY3
144    checkpoint46b_pre
145    
146    checkpoint46a_post
147    o Added (atmospheric) pressure loading
148      - new field in FFIELDS.h, etc...
149      - new cpp flag ATMOSPHERIC_LOADING
150    o Changed hFacC to _hFacC in calc_phi_hyd.F
151    o Added SHORTWAVE_HEATING to some files for consistency
152    checkpoint46a_pre
153    
154    checkpoint46
155    further merges from release1_p5
156    o new ctrl package
157      - adopted from ECCO environment to enable optimization
158      - added Eliassen Palm fluxes to controls
159    o added Eliassen Palm flux controls to gradient check package
160    o cost package
161      - Compatible with new ctrl package
162      - added Eliassen Palm cost hooks
163      - modif's of existing cost functions
164    o Adjoint-related bug fixes in kpp:
165      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
166      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
167    o autodiff package
168      - flow directives:
169        + new for S/R do_the_model_io
170        + enhanced for S/R checkpoint
171        + new gmredi.flow
172      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
173        disable adcommon.h/g_common.h by default.
174      - fixed problem for adjoint of global_max
175    o modified verification/carbon/
176    o New setup for adjoint of global_ocean
177    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
178    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
179    o incorporated hooks for sponge layer code (external_forcing.F)
180    
181    checkpoint45d_post
182    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
183    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
184      (affects plume_on_slope "cg2d" output)
185    o add new parameter deltaTfreesurf for free-surface time stepping
186    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
187    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
188    o change phiMin in exp1 (to agree with documentation)
189    o add new flags:
190     - T,S forcing inside/outside Adams-Bashforth
191     - turn off temp,salt advection and/or forcing
192     - for each tracer, define internal flag for multiDimAdvection & A-B
193    o monitor: change definition of KE to check conservation of Energy
194    
195    checkpoint45c_post
196    o Removed f90 comments ("!")
197    o Modified initialisations to enable exf package for MITgcm
198      (without invoking ECCO_PACKAGE).
199    o modifications to gradient check package (Martin Losch)
200      - enable centered differences
201      - modified format of standard output
202    
203    checkpoint45b_post
204    o cleaned exchange calls in cg2d
205    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
206    o included CPP option SINGLE_LAYER_MODE in thermodynamics
207      to configure barotropic setup (Martin Losch)
208    o moved some initialisations within bi,bj loop in dynamics
209      (TAF flow dependency)
210    o in initialise_varia, moved call packages_init_variables
211      before convective_adjustment_init
212      (corresponding adjustment of TAF tape initialisation).
213    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
214    
215    checkpoint45a_post
216    o compute Rho over the whole domain (extend iMin,jMin indices)
217    o specific exchange for X-slice domain (case Ny=1)
218    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
219    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
220    
221    checkpoint44h_post = checkpoint45
222    o Fix to restore differentiability:
223      place at which packages_init_variables is called in
224      initialise_varia is crucial for reverse control flow.
225    o modifications in GMRedi to enable stable adjoint
226      (corresponding modif's in thermodynamics, dynamics)
227    o added missing hook for sponge layer code in external_forcing
228    o modified test cost functions
229    o storing in gad_advection (plus removal of write(0,*)!
230    o missing headers TR1.h added in convective_adjustment routines
231    o errorMessageUnit set non-equal zero in eeboot
232      (conflict on some platforms, e.g. IBM SP3)
233    o modified carbon verif.
234    
235    checkpoint44h_pre
236    o vertical grid option: allow to put the Interface at the middle between
237      2 cell-centers ; replace delZ in pkg/kpp by drF.
238    o GM Advective form: Tracers are advected using the residual transport (=
239      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
240    
241    checkpoint44g_post
242    o fix surface correction term in multiDimAdvection (affects plume_on_slope
243      results) ; ifdef missing in thermodynamics.F
244    
245    checkpoint44f_pre,checkpoint44f_post
246    o added PTRACERS package
247      This allows an arbitrary number of passive tracers to be integrated
248      forward simultaneously with the dynamicaly model.
249      + Implemented so far:
250        - basic forward algorithm (time-stepping, advection, diffusion, convection)
251        - I/O and checkpointing
252        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
253      + Not implemented so far:
254        - KPP
255        - OBCS
256      + No specific example supplied (yet) but global_ocean.90x40x15 has the
257        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
258        line in data.pkg.
259      + This package is disabled by default since it increases storage.
260    
261    
262    o testscript: added -cleanup option
263    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
264                 b) enable to filter 2D fields.
265    
266    checkpoint44e_pre,post
267    o re-wrote convective adjustment to use pre-calculated weights
268      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
269      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
270      Original calls to convect() still in place.
271    
272    chkpt44d_pre,post
273    o added missing EXCLUDE_MONITOR flags
274    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
275      (incompatible typ in MIN/MAX expressions caused problems
276      on IBM SP3)
277    o in genmake added variable MAKEDEPEND
278      plus resetting for case SunOS
279    o added timer_stats.c routine for IBM SP3
280    o removed variables in dynamics
281    !!! I forgot to create tag chkpt44d_pre !!!
282    !!! But chkpt44d_pre = chkpt44c_post    !!!
283    
284    o real fresh water flux implemented with non-linear free-surface.
285    
286    chkpt44c_pre,post
287    o few fix (mask in shap_s2, EmPmR in external_field_load,
288      USE_NATURAL_BCS in solve_for_P);
289    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
290    
291    checkpoint44b_pre/_post
292    o merge of relevant stuff from the ecco-branch:
293      - genmake: removed $S64 overwrite for case SunOS
294      - pkg/exf: update and corrections for field swapping and obcs
295      - pkg/ecco: parameter lists for the_model_main, the_main_loop
296                  harmonized between ECCO and MITgcm
297      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
298                      updated checkpointing_lev... lists for obcs
299      - model/src: minor changes in forward_step, plot_field
300                   added directive for divided adjoint in the_main_loop
301      - pkg/mdsio: added mdsio_gl_slice
302    
303    o check parameters & config (chkpt44a_pre,post)
304    o OBC and NonLin_FrSurf.
305    
306    checkpoint44
307    o fix bug in mom_vi_del2uv
308    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
309    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
310    o update AIM experiments (NCEP input files)
311    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
312    o added some stuff for AD
313    
314    checkpoint43
315    o added two new advection tests
316    o added global 4x4 degree ocean test
317    o added test of H&S94 with free surface on cube
318    o some final mods for gradient check, adjoint,...
319    
320    checkpoint42
321      Fixed AD-related problems:
322    o Store directives up-to-date with re-arranged Adams-Bashforth
323      (mainly thermodynamics.F)
324    o New store directives for multi-dim. advection schemes
325      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
326      * new common block and key passkey
327      (mainly gad_advection.F)
328    o Modified store directives for split of dynamics/thermodynamics
329      for the case ALLOW_KPP
330    o Cleaned argument list for timestep_tracer.F
331    
332    checkpoint41
333    o re-formatted/added comments in prologues of key subroutines
334      to work with protex
335    
336    checkpoint40
337    o moved calc_gs, calc_gt and calc_tr1 back to model/src
338    o added FLT (floats) package from Arne along with demo. experiment
339    o re-arranged Adams-Bashforth scheme for tracers to allow easier
340      implementation of forward-in-time forcing terms
341    o more mods for non-linear free-surface including new variable
342    o modified multi-dim method to work on cube
343    o bug fix in KPP (from DM)
344    
345    checkpoint40pre9
346    o added DST advection schemes
347    o fix MPI bug on SGI's
348    o modifications for non-linear free-surface
349    o fixed conditionals for fixed flow/passive tracer only mode
350    o added tension/strain form of stress tensor
351    o changes to commenting of arguments for TAF/TAMC
352    o added/updated many matlab scripts
353    o added multi-dimensional advection method for tracers
354      
355    checkpoint40pre8
356    o new package rw/
357      Added method for dumping intermediate local arrays:
358      mdsio_writetile - same as mdsio_writefield except works from inside
359                        bi,bj loop
360      mdsio_writelocal - same as mdsio_writetile except works for local
361                         arrays
362      write_local_r? - higher-level wrapper for mdsio_writelocal
363      Controlled by diagFreq. Defaults to zero (ie. no dumps)
364      Example given at end of mom_vecinv.F that dumps some local arrays.
365    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
366      control flux-form versus vector invariant code.
367      Switch is runtime flag vectorInvariantMomentum (defaults to false)
368      or genmake -DISABLE ...
369    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
370      (additional storing is now needed for case vecinv;
371      currently nothing implemented to switch this storing off
372      in case fluxform is used since no CPP flag available).
373    
374    checkpoint40pre7
375    o bug fix in dynamics.F
376      calc_viscosity called before k=1,Nr loop.
377    o added some #ifdef's ALLOW_PASSIVE_TRACER
378    o cleaned initialisations in ctrl_map_ini
379      related to TAF
380    
381    checkpoint40pre6
382    o split dynamics into thermodynamics & dynamics
383    o corresponding split of calc_diffusivity into
384      calc_diffusivity, calc_viscosity
385      (kpp_calc_diff, kpp_calc_visc).
386    o Added diffkr, kapgm to control variables
387    o bug fix in gmredi_slope_limit for ldd97
388    
389    checkpoint40pre5
390    o proper initialization of Adams-Bashforth time stepping
391      + uses forward step for very first step of model (iter=0)
392    o re-generated *all* output since almost all output is modified by this
393      change (sorry but we've been putting this one off for about 2 years)
394      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
395        *not* regenerated since they are already out of date and I don't
396        want to create the impression that they are suddenly working.
397    o removed KAP stuff for DEC's
398    o modified/added many .cvsignore files in */code and */input
399    o added new expt "solid-body.cs-32x32x1"
400      + this uses an alternative form of ini_curvilinear_grid.F which
401        is not necessarily any better than the current one...
402    
403    checkpoint40pre4
404    o added re-initialisations of utrans,vtrans,rtrans in
405      calc_common_factors which are crucial for TAF.
406    o extended iMin,jMin range for calc_common_factors,
407      calc_diffusivity
408    o added option ALLOW_PASSIVE_TRACER
409    o a few minor updates and fixes
410    
411    checkpoint40pre3
412    o created calc_gtr1.F for gad package
413    o split the_main_loop and re-introduced forward_step
414    o some recomputations of nIter0 for TAMC
415    
416    checkpoint40pre2
417    o Updated to latest branch of AJA, JMC
418    o Added gradient check package
419    o Added routines for passive tracer handling
420    o Added carbon sequestration sensitivity experiment
421    
422    checkpoint39
423     o Modifications and fixes to support TAMC
424       (mainly missing or wrong directives)
425     o Corrected common blocks when fooling TAMC to produce adjoint I/O
426       in addummy_in_stepping
427     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
428     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
429     o Included following packages:
430       cal: calendar
431       exf: external forcing
432       ecco: essential routines to control use of cal, exf
433             (NB: this is not the full ECCO environment)
434     o disabled some packages by default in genmake
435    
436    checkpoint38
437     o see notes_c37_adj.txt
438     o corrected wrong layer index in external_forcing_t
439     o replaced the_main_loop/forward_step by the_main_loop
440     o removed forceoutput from write_state
441       (replaced criteria for initial/final state)
442     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
443    
444    checkpoint37
445     o mdsio.F routine split and packaged in pkg/mdsio
446       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
447        used unless genmake -disable=mdsio)
448     o allow a more precise surface-geopotential gradient for the atmosphere
449       taking into account the change in space of Alpha (=1/rho) at the surface.
450     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
451       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
452     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
453       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
454       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
455     o Time-Average diagnostics defined as a pseudo package "timeave".
456     o pickup files : old pickup (before c35) did not work with new code (c35
457       and after) unless activating 2 commented lines in initialise-varia.
458     o Non-Hydrostatic pickup file Pb fixed.
459     o bug with Rigid-lid version (since c35) fixed.  
460    
461    checkpoint36
462     o implement Crank-Nickelson barotropic time-stepping
463     o recover Time-Average diagnostics
464     o fix Pb in checkpoint (PR#19)
465     o AIM become a standard package ; clean unused CPP_kees
466    
467  checkpoint35  checkpoint35
468   o subtantial rewrite of dynamics.f   o subtantial rewrite of dynamics.f
469   o allows staggered time-stepping   o allows staggered time-stepping

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