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revision 1.59 by jmc, Fri Feb 8 22:41:59 2002 UTC revision 1.107 by cheisey, Mon Dec 2 13:28:30 2002 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint47a_post
7    o new pkg: aim_v23
8     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
9       for now, keep the same surface forcing as before.
10     - Part-Cell implemented into AIM; check that Heat & Water are conserved
11     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
12     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
13    o add diagnostic of surface correction term in monitor output
14    
15    o bulk_force and therm_seaice
16    - Two packages:  bulk_force (Bulk forcing)
17      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
18    - Earlier integration from Stephaine Dutkiewicz
19      and Patrick Heimbach.
20    - Two ifdef statements for compile time,
21       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
22    
23    checkpoint47
24    differentiable version of checkpoint46n_post
25    o bug fix in quasihydrostaticterms
26    o * "clean" adjoint code (in terms of extensive recomputations)
27        can now be obtained for all GMREDI options (i.e. for
28        - GM_VISBECK_VARIABLE_K
29        - GM_NON_UNITY_DIAGONAL
30        - GM_EXTRA_DIAGONAL
31        - GM_BOLUS_ADVEC )
32      * However, wrong gradient check problem remains unsolved.
33      * New CPP options have been introduced for different
34        tapering schemes
35    o external_fields_load now part of differentiation list
36    o pressure needs multiple storing;
37      would be nice to have store_pressure at beginning or
38      end of forward_step, e.g. by having phiHyd global (5-dim.)
39      (NB: pressure is needed for certain cases in find_rho,
40      which is also invoked through convective_adjustment).
41    o recomputations in find_rho for cases
42     'JMD95'/'UNESCO' or 'MDJWF' are OK.
43    o #define ATMOSPHERIC_LOADING should be differentiable
44    o ini_forcing shifted to begining of initialise_varia
45    o Incorporating QNVS line search routines into MITgcm
46      (this is separate code, and therefore not under pkg)
47      lsopt/, optim/
48    o Updated verification/carbon/
49      - #define GM_VISBECK_VARIABLE_K
50      - GM_taper_scheme    = 'ldd97'    
51    
52    checkpoint46n_post
53    Merging from release1_p8:
54    o verification/natl_box:
55      updating new external_fields_load routine
56    o New package: pkg/seaice
57      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
58      The sea-ice code is based on Hibler (1979-1980).
59      Two sea-ice dynamic solvers, ADI and LSR, are included.
60      In addition to computing prognostic sea-ice variables and diagnosing
61      the forcing/external data fields that drive the ocean model,
62      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
63      The implied surface heat flux is then stored in variable
64      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
65      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
66      non-local transport term.  Because this call precedes model
67      thermodynamics, temperature under sea-ice may not be "exactly" at
68      the freezing point by the time theta is dumped or time-averaged.
69      N.B.: fairly large differences in accuracy occur across
70            different platforms/compilers; comparison between
71            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
72            generated output gives:
73       T           S           U           V
74      C D M    c        m  s        m  s        m  s        m  s
75      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
76      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
77      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
78    
79      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
80    o GAD:
81      - generated new common blocks to account for call of
82        same gad routines with differing traceridentities
83        (needed to modify tracerIdentity indices in GAD.h)
84      - generated separate common blocks for case useCubedSphereExchange
85        (Department of Futurology)
86      - parameter lists to gmredi_?transport: added tracerIdentity
87      - added new key indices to tamc.h
88    o external_fields_load:
89      - added this routine to TAF list
90      - needed to make some common blocks global and additional storing
91        along the same lines as exf package (checkpoint_lev?_directives.h)
92    o exf:
93      updated external forcing package
94      - bug fixes carried over from ecco-branch
95        (missing OBCS_OPTIONS.h in two routines)
96      - enable easy to use "no forcing".
97      - added exf I/O for atmospheric loading
98      - added exf I/O for runoff data
99      - transfered scaling between exf <-> MITgcm to exf namelist
100    o Adding new verification experiment global_with_exf.
101      This verification experiment is almost identical to the
102      global_ocean.90x40x15 experiment, except that it uses
103      the exf (and cal) package instead of the
104      external_fields_load routine (cf README file).
105    
106    checkpoint46m_post
107    o modified testscript to return -- when there are no lines of "%MON" output
108    o added new flag "quasiHydrostatic" for QH mode
109      and new routine quasihydrostaticterms()
110    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
111      New routine: mom_u_coriolis_nh()
112    o fixed sign of non-hydrostatic metric terms in u and v equations.
113      Depend on correct sign of gravitySign.
114    o added work.pc* to .cvsignore in aim directories using ifc
115    o introduced flag for controllin non-hydrostatic metric terms
116    o removed gravitySign from PARM04
117    o switched to g77/ifc from pgf77 in aim experiments
118    
119    checkpoint46l_post
120    o made convective adjustment work with pressure coordinates:
121     - changed the direction of k-loop in convective_adjustment.F for the
122       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
123     - adjusted the reference pressure k-index in convective_adjustment.F
124     - adjusted the convection condition in convect.F (in analogy to
125       calc_ivdc.F)
126     - convective_adjustment no longer computes anything on the halos
127     - removed the warnings about negative salinity from find_rho.F and
128       find_alpha.F; instead the new routine look_for_neg_salinity, called
129       at the beginning of find_rho, find_alpha, and find_beta, does a
130       check of the entire slice, if CPP-option
131       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
132    checkpoint46l_pre
133    
134    checkpoint46k_post
135    o fixed the verification/global_ocean.90x40x15 experiment:
136     - new bathymetry (the world according to A., JMC, and M.)
137     - new initial fields and forcing fields (*.bin files)
138     - new POLY3.COEFFS (for the next release one should switch to a full
139       equation of state: JMD95P or MDJWF)
140     - fixed several errors and redundancies in the data file
141     - experiment uses looped cells
142     - added matlab directory with diagnostic scripts for plotting of output
143    
144    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
145     - read AIM physics parameters from a file (data.aimphys)
146     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
147    
148    checkpoint46j_post
149    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
150    o move wVel computation at the end of the time step, in S/R integr_continuity
151    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
152    o update timeave pkg for wVel diagnostic.
153    checkpoint46j_pre
154    
155    checkpoint46i_post
156    o Clean up AIM package (and keep the results unchanged):
157      include CPP_OPTION and use IMPLICT NONE in all routines ;
158      declare all the variables _RL ; use _d 0 for all numerical constants.
159      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
160    
161    checkpoint46h_post
162    o cleaned up the use of rhoNil and rhoConst.
163      - rhoNil should only appear in the LINEAR equation of state, everywhere
164        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
165        and the dynamical equations are all divided by rhoConst
166    o introduced new parameter rhoConstFresh, a reference density of fresh
167      water, to remove the fresh water flux's dependence on rhoNil. The default
168      value is 999.8 kg/m^3
169    o cleanup up external_forcing.F and external_forcing_surf.F
170      - can now be used by both OCEANIC and OCEANICP
171    checkpoint46h_pre
172    
173     Added code to convert surface volume flux (fresh water) into
174     a mass flux when using P coordinates in the ocean (OCEANICP).
175     Note: It assumes you have set rho0=rhoConst=density of fresh water.
176    
177    checkpoint46g_post
178    o Include a new diagnostic variable phiHydLow for the ocean model
179      - in z-coordinates, it is the bottom pressure anomaly
180      - in p-coordinates, it is the sea surface elevation
181      - in both cases, these variable have global drift, reflecting the mass
182        drift in z-coordinates and the volume drift in p-coordinates
183      - included time averaging for phiHydLow, be aware of the drift!
184    o depth-dependent computation of Bo_surf for pressure coordinates
185      in the ocean (buoyancyRelation='OCEANICP')
186      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
187        Theta, Salinity, and Pressure in the parameter list. This routine is
188        presently contained in find_rho.F. This routine does not give the
189        correct density for 'POLY3', which would be a z-dependent reference
190        density.
191    o cleaned up find_rho
192      - removed obsolete 'eqn' from the parameter list.
193    o added two new verification experiments: gop and goz
194      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
195    checkpoint46g_pre
196    
197    checkpoint46f_post
198    o Enable tangent linear (forward mode) gradient checks:
199      - extended active file handling to g_... files
200      - added TANGENT_SIMULATION to theSimulationMode
201      - extended grdchk package accordingly
202    o added tangent linear setup in verification/carbon/code_ftl
203    o added adjoint setup in verification/front_relax/code_ad
204    
205    checkpoint46e_post
206    o Added new equation of state -> MDJWF
207      - EOS of McDougall et al., 2002, JAOT, submitted
208      - caveat: the equation of state is only valid for a smaller (more
209        realistic?) range of values than JMD95P/Z and UNESCO
210      - added masks to the calculation of pressure in store_pressure
211      - added more check values for density in check_eos (ini_eos.F), some of
212        the old check values are out of the range of the MDJWF-eos, so don't
213        expect perfect matches for those
214    checkpoint46e_pre
215    
216    checkpoint46d_post
217    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
218      'OCEANICP', also initialised field pressure correctly in ini_eos in the
219      case of pressure coordinates. eosType='JMD95Z' in
220      combination with buoyancyRelation='OCEANICP' now causes an error.
221    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
222      in find_alpha/beta.
223    checkpoint46d_pre
224    
225    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
226      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
227    
228    checkpoint46c_post
229    o Changes necessary for ocean in p-coordinates
230     -  Added new buoyancy relation = 'OCEANICP'
231     -  Added new parameters = gravitySign (this used to be contained inside
232        the factor dRdZ which I added when we first switched to R coordinates).
233     X GM/Redi is not compatible (yet)
234     X bottom drag and no-slip need to be debugged.
235    checkpoint46c_pre
236    
237    checkpoint46b_post
238    o Added new equation of state -> JMD95Z and JMD95P
239      - EOS of Jackett and McDougall, 1995, JAOT
240      - moved all EOS parameters into EOS.h
241      - new routines ini_eos.F, store_pressure.F
242    o Added UNESCO EOS, but not recommended because it requires
243      in-situ temperature (see JMD95)
244    o Modified formatting for knudsen2.f in utils/knudsen2 and added
245      unesco.f to be used with POLY3
246    checkpoint46b_pre
247    
248    checkpoint46a_post
249    o Added (atmospheric) pressure loading
250      - new field in FFIELDS.h, etc...
251      - new cpp flag ATMOSPHERIC_LOADING
252    o Changed hFacC to _hFacC in calc_phi_hyd.F
253    o Added SHORTWAVE_HEATING to some files for consistency
254    checkpoint46a_pre
255    
256    checkpoint46
257    further merges from release1_p5
258    o new ctrl package
259      - adopted from ECCO environment to enable optimization
260      - added Eliassen Palm fluxes to controls
261    o added Eliassen Palm flux controls to gradient check package
262    o cost package
263      - Compatible with new ctrl package
264      - added Eliassen Palm cost hooks
265      - modif's of existing cost functions
266    o Adjoint-related bug fixes in kpp:
267      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
268      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
269    o autodiff package
270      - flow directives:
271        + new for S/R do_the_model_io
272        + enhanced for S/R checkpoint
273        + new gmredi.flow
274      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
275        disable adcommon.h/g_common.h by default.
276      - fixed problem for adjoint of global_max
277    o modified verification/carbon/
278    o New setup for adjoint of global_ocean
279    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
280    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
281    o incorporated hooks for sponge layer code (external_forcing.F)
282    
283    checkpoint45d_post
284    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
285    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
286      (affects plume_on_slope "cg2d" output)
287    o add new parameter deltaTfreesurf for free-surface time stepping
288    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
289    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
290    o change phiMin in exp1 (to agree with documentation)
291    o add new flags:
292     - T,S forcing inside/outside Adams-Bashforth
293     - turn off temp,salt advection and/or forcing
294     - for each tracer, define internal flag for multiDimAdvection & A-B
295    o monitor: change definition of KE to check conservation of Energy
296    
297    checkpoint45c_post
298    o Removed f90 comments ("!")
299    o Modified initialisations to enable exf package for MITgcm
300      (without invoking ECCO_PACKAGE).
301    o modifications to gradient check package (Martin Losch)
302      - enable centered differences
303      - modified format of standard output
304    
305    checkpoint45b_post
306    o cleaned exchange calls in cg2d
307    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
308    o included CPP option SINGLE_LAYER_MODE in thermodynamics
309      to configure barotropic setup (Martin Losch)
310    o moved some initialisations within bi,bj loop in dynamics
311      (TAF flow dependency)
312    o in initialise_varia, moved call packages_init_variables
313      before convective_adjustment_init
314      (corresponding adjustment of TAF tape initialisation).
315    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
316    
317    checkpoint45a_post
318    o compute Rho over the whole domain (extend iMin,jMin indices)
319    o specific exchange for X-slice domain (case Ny=1)
320    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
321    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
322    
323    checkpoint44h_post = checkpoint45
324    o Fix to restore differentiability:
325      place at which packages_init_variables is called in
326      initialise_varia is crucial for reverse control flow.
327    o modifications in GMRedi to enable stable adjoint
328      (corresponding modif's in thermodynamics, dynamics)
329    o added missing hook for sponge layer code in external_forcing
330    o modified test cost functions
331    o storing in gad_advection (plus removal of write(0,*)!
332    o missing headers TR1.h added in convective_adjustment routines
333    o errorMessageUnit set non-equal zero in eeboot
334      (conflict on some platforms, e.g. IBM SP3)
335    o modified carbon verif.
336    
337    checkpoint44h_pre
338    o vertical grid option: allow to put the Interface at the middle between
339      2 cell-centers ; replace delZ in pkg/kpp by drF.
340    o GM Advective form: Tracers are advected using the residual transport (=
341      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
342    
343    checkpoint44g_post
344    o fix surface correction term in multiDimAdvection (affects plume_on_slope
345      results) ; ifdef missing in thermodynamics.F
346    
347    checkpoint44f_pre,checkpoint44f_post
348    o added PTRACERS package
349      This allows an arbitrary number of passive tracers to be integrated
350      forward simultaneously with the dynamicaly model.
351      + Implemented so far:
352        - basic forward algorithm (time-stepping, advection, diffusion, convection)
353        - I/O and checkpointing
354        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
355      + Not implemented so far:
356        - KPP
357        - OBCS
358      + No specific example supplied (yet) but global_ocean.90x40x15 has the
359        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
360        line in data.pkg.
361      + This package is disabled by default since it increases storage.
362    
363    
364    o testscript: added -cleanup option
365    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
366                 b) enable to filter 2D fields.
367    
368    checkpoint44e_pre,post
369    o re-wrote convective adjustment to use pre-calculated weights
370      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
371      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
372      Original calls to convect() still in place.
373    
374    chkpt44d_pre,post
375    o added missing EXCLUDE_MONITOR flags
376    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
377      (incompatible typ in MIN/MAX expressions caused problems
378      on IBM SP3)
379    o in genmake added variable MAKEDEPEND
380      plus resetting for case SunOS
381    o added timer_stats.c routine for IBM SP3
382    o removed variables in dynamics
383    !!! I forgot to create tag chkpt44d_pre !!!
384    !!! But chkpt44d_pre = chkpt44c_post    !!!
385    
386    o real fresh water flux implemented with non-linear free-surface.
387    
388  chkpt44c_pre,post  chkpt44c_pre,post
389  o few fix (mask in shap_s2, EmPmR in external_field_load,  o few fix (mask in shap_s2, EmPmR in external_field_load,
390    USE_NATURAL_BCS in solve_for_P);    USE_NATURAL_BCS in solve_for_P);

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