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revision 1.72 by heimbach, Thu May 30 02:38:38 2002 UTC revision 1.108 by dimitri, Thu Dec 5 08:43:02 2002 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint47b_post
7    Merging from release1_p9:
8    o pkg/seaice
9      - removed GOTO's and added taf directives
10      - double precision constants to reduce the g77 (Linux)
11        to F77 (SGI) differences reported in release1_p8
12    o tools/genmake
13      - added SGI options
14    o verification/testscript
15      - updated to that of checkpoint47a_post
16    o verification/global_ocean.90x40x15/input/eedata
17      - modified for SGI f77 compatibility
18    o verification/lab_sea
19      - added description of sea-ice model
20      - added missing matlab routines
21      - added test of thermodynamics parallelization
22    
23    checkpoint47a_post
24    o new pkg: aim_v23
25     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
26       for now, keep the same surface forcing as before.
27     - Part-Cell implemented into AIM; check that Heat & Water are conserved
28     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
29     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
30    o add diagnostic of surface correction term in monitor output
31    
32    o bulk_force and therm_seaice
33    - Two packages:  bulk_force (Bulk forcing)
34      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
35    - Earlier integration from Stephaine Dutkiewicz
36      and Patrick Heimbach.
37    - Two ifdef statements for compile time,
38       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
39    
40    checkpoint47
41    differentiable version of checkpoint46n_post
42    o bug fix in quasihydrostaticterms
43    o * "clean" adjoint code (in terms of extensive recomputations)
44        can now be obtained for all GMREDI options (i.e. for
45        - GM_VISBECK_VARIABLE_K
46        - GM_NON_UNITY_DIAGONAL
47        - GM_EXTRA_DIAGONAL
48        - GM_BOLUS_ADVEC )
49      * However, wrong gradient check problem remains unsolved.
50      * New CPP options have been introduced for different
51        tapering schemes
52    o external_fields_load now part of differentiation list
53    o pressure needs multiple storing;
54      would be nice to have store_pressure at beginning or
55      end of forward_step, e.g. by having phiHyd global (5-dim.)
56      (NB: pressure is needed for certain cases in find_rho,
57      which is also invoked through convective_adjustment).
58    o recomputations in find_rho for cases
59     'JMD95'/'UNESCO' or 'MDJWF' are OK.
60    o #define ATMOSPHERIC_LOADING should be differentiable
61    o ini_forcing shifted to begining of initialise_varia
62    o Incorporating QNVS line search routines into MITgcm
63      (this is separate code, and therefore not under pkg)
64      lsopt/, optim/
65    o Updated verification/carbon/
66      - #define GM_VISBECK_VARIABLE_K
67      - GM_taper_scheme    = 'ldd97'    
68    
69    checkpoint46n_post
70    Merging from release1_p8:
71    o verification/natl_box:
72      updating new external_fields_load routine
73    o New package: pkg/seaice
74      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
75      The sea-ice code is based on Hibler (1979-1980).
76      Two sea-ice dynamic solvers, ADI and LSR, are included.
77      In addition to computing prognostic sea-ice variables and diagnosing
78      the forcing/external data fields that drive the ocean model,
79      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
80      The implied surface heat flux is then stored in variable
81      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
82      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
83      non-local transport term.  Because this call precedes model
84      thermodynamics, temperature under sea-ice may not be "exactly" at
85      the freezing point by the time theta is dumped or time-averaged.
86      N.B.: fairly large differences in accuracy occur across
87            different platforms/compilers; comparison between
88            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
89            generated output gives:
90       T           S           U           V
91      C D M    c        m  s        m  s        m  s        m  s
92      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
93      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
94      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
95    
96      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
97    o GAD:
98      - generated new common blocks to account for call of
99        same gad routines with differing traceridentities
100        (needed to modify tracerIdentity indices in GAD.h)
101      - generated separate common blocks for case useCubedSphereExchange
102        (Department of Futurology)
103      - parameter lists to gmredi_?transport: added tracerIdentity
104      - added new key indices to tamc.h
105    o external_fields_load:
106      - added this routine to TAF list
107      - needed to make some common blocks global and additional storing
108        along the same lines as exf package (checkpoint_lev?_directives.h)
109    o exf:
110      updated external forcing package
111      - bug fixes carried over from ecco-branch
112        (missing OBCS_OPTIONS.h in two routines)
113      - enable easy to use "no forcing".
114      - added exf I/O for atmospheric loading
115      - added exf I/O for runoff data
116      - transfered scaling between exf <-> MITgcm to exf namelist
117    o Adding new verification experiment global_with_exf.
118      This verification experiment is almost identical to the
119      global_ocean.90x40x15 experiment, except that it uses
120      the exf (and cal) package instead of the
121      external_fields_load routine (cf README file).
122    
123    checkpoint46m_post
124    o modified testscript to return -- when there are no lines of "%MON" output
125    o added new flag "quasiHydrostatic" for QH mode
126      and new routine quasihydrostaticterms()
127    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
128      New routine: mom_u_coriolis_nh()
129    o fixed sign of non-hydrostatic metric terms in u and v equations.
130      Depend on correct sign of gravitySign.
131    o added work.pc* to .cvsignore in aim directories using ifc
132    o introduced flag for controllin non-hydrostatic metric terms
133    o removed gravitySign from PARM04
134    o switched to g77/ifc from pgf77 in aim experiments
135    
136    checkpoint46l_post
137    o made convective adjustment work with pressure coordinates:
138     - changed the direction of k-loop in convective_adjustment.F for the
139       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
140     - adjusted the reference pressure k-index in convective_adjustment.F
141     - adjusted the convection condition in convect.F (in analogy to
142       calc_ivdc.F)
143     - convective_adjustment no longer computes anything on the halos
144     - removed the warnings about negative salinity from find_rho.F and
145       find_alpha.F; instead the new routine look_for_neg_salinity, called
146       at the beginning of find_rho, find_alpha, and find_beta, does a
147       check of the entire slice, if CPP-option
148       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
149    checkpoint46l_pre
150    
151    checkpoint46k_post
152    o fixed the verification/global_ocean.90x40x15 experiment:
153     - new bathymetry (the world according to A., JMC, and M.)
154     - new initial fields and forcing fields (*.bin files)
155     - new POLY3.COEFFS (for the next release one should switch to a full
156       equation of state: JMD95P or MDJWF)
157     - fixed several errors and redundancies in the data file
158     - experiment uses looped cells
159     - added matlab directory with diagnostic scripts for plotting of output
160    
161    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
162     - read AIM physics parameters from a file (data.aimphys)
163     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
164    
165    checkpoint46j_post
166    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
167    o move wVel computation at the end of the time step, in S/R integr_continuity
168    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
169    o update timeave pkg for wVel diagnostic.
170    checkpoint46j_pre
171    
172    checkpoint46i_post
173    o Clean up AIM package (and keep the results unchanged):
174      include CPP_OPTION and use IMPLICT NONE in all routines ;
175      declare all the variables _RL ; use _d 0 for all numerical constants.
176      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
177    
178    checkpoint46h_post
179    o cleaned up the use of rhoNil and rhoConst.
180      - rhoNil should only appear in the LINEAR equation of state, everywhere
181        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
182        and the dynamical equations are all divided by rhoConst
183    o introduced new parameter rhoConstFresh, a reference density of fresh
184      water, to remove the fresh water flux's dependence on rhoNil. The default
185      value is 999.8 kg/m^3
186    o cleanup up external_forcing.F and external_forcing_surf.F
187      - can now be used by both OCEANIC and OCEANICP
188    checkpoint46h_pre
189    
190     Added code to convert surface volume flux (fresh water) into
191     a mass flux when using P coordinates in the ocean (OCEANICP).
192     Note: It assumes you have set rho0=rhoConst=density of fresh water.
193    
194    checkpoint46g_post
195    o Include a new diagnostic variable phiHydLow for the ocean model
196      - in z-coordinates, it is the bottom pressure anomaly
197      - in p-coordinates, it is the sea surface elevation
198      - in both cases, these variable have global drift, reflecting the mass
199        drift in z-coordinates and the volume drift in p-coordinates
200      - included time averaging for phiHydLow, be aware of the drift!
201    o depth-dependent computation of Bo_surf for pressure coordinates
202      in the ocean (buoyancyRelation='OCEANICP')
203      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
204        Theta, Salinity, and Pressure in the parameter list. This routine is
205        presently contained in find_rho.F. This routine does not give the
206        correct density for 'POLY3', which would be a z-dependent reference
207        density.
208    o cleaned up find_rho
209      - removed obsolete 'eqn' from the parameter list.
210    o added two new verification experiments: gop and goz
211      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
212    checkpoint46g_pre
213    
214    checkpoint46f_post
215    o Enable tangent linear (forward mode) gradient checks:
216      - extended active file handling to g_... files
217      - added TANGENT_SIMULATION to theSimulationMode
218      - extended grdchk package accordingly
219    o added tangent linear setup in verification/carbon/code_ftl
220    o added adjoint setup in verification/front_relax/code_ad
221    
222    checkpoint46e_post
223    o Added new equation of state -> MDJWF
224      - EOS of McDougall et al., 2002, JAOT, submitted
225      - caveat: the equation of state is only valid for a smaller (more
226        realistic?) range of values than JMD95P/Z and UNESCO
227      - added masks to the calculation of pressure in store_pressure
228      - added more check values for density in check_eos (ini_eos.F), some of
229        the old check values are out of the range of the MDJWF-eos, so don't
230        expect perfect matches for those
231    checkpoint46e_pre
232    
233    checkpoint46d_post
234    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
235      'OCEANICP', also initialised field pressure correctly in ini_eos in the
236      case of pressure coordinates. eosType='JMD95Z' in
237      combination with buoyancyRelation='OCEANICP' now causes an error.
238    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
239      in find_alpha/beta.
240    checkpoint46d_pre
241    
242    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
243      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
244    
245    checkpoint46c_post
246    o Changes necessary for ocean in p-coordinates
247     -  Added new buoyancy relation = 'OCEANICP'
248     -  Added new parameters = gravitySign (this used to be contained inside
249        the factor dRdZ which I added when we first switched to R coordinates).
250     X GM/Redi is not compatible (yet)
251     X bottom drag and no-slip need to be debugged.
252    checkpoint46c_pre
253    
254    checkpoint46b_post
255    o Added new equation of state -> JMD95Z and JMD95P
256      - EOS of Jackett and McDougall, 1995, JAOT
257      - moved all EOS parameters into EOS.h
258      - new routines ini_eos.F, store_pressure.F
259    o Added UNESCO EOS, but not recommended because it requires
260      in-situ temperature (see JMD95)
261    o Modified formatting for knudsen2.f in utils/knudsen2 and added
262      unesco.f to be used with POLY3
263    checkpoint46b_pre
264    
265    checkpoint46a_post
266    o Added (atmospheric) pressure loading
267      - new field in FFIELDS.h, etc...
268      - new cpp flag ATMOSPHERIC_LOADING
269    o Changed hFacC to _hFacC in calc_phi_hyd.F
270    o Added SHORTWAVE_HEATING to some files for consistency
271    checkpoint46a_pre
272    
273    checkpoint46
274    further merges from release1_p5
275    o new ctrl package
276      - adopted from ECCO environment to enable optimization
277      - added Eliassen Palm fluxes to controls
278    o added Eliassen Palm flux controls to gradient check package
279    o cost package
280      - Compatible with new ctrl package
281      - added Eliassen Palm cost hooks
282      - modif's of existing cost functions
283    o Adjoint-related bug fixes in kpp:
284      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
285      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
286    o autodiff package
287      - flow directives:
288        + new for S/R do_the_model_io
289        + enhanced for S/R checkpoint
290        + new gmredi.flow
291      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
292        disable adcommon.h/g_common.h by default.
293      - fixed problem for adjoint of global_max
294    o modified verification/carbon/
295    o New setup for adjoint of global_ocean
296    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
297    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
298    o incorporated hooks for sponge layer code (external_forcing.F)
299    
300    checkpoint45d_post
301    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
302    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
303      (affects plume_on_slope "cg2d" output)
304    o add new parameter deltaTfreesurf for free-surface time stepping
305    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
306    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
307    o change phiMin in exp1 (to agree with documentation)
308    o add new flags:
309     - T,S forcing inside/outside Adams-Bashforth
310     - turn off temp,salt advection and/or forcing
311     - for each tracer, define internal flag for multiDimAdvection & A-B
312    o monitor: change definition of KE to check conservation of Energy
313    
314    checkpoint45c_post
315    o Removed f90 comments ("!")
316    o Modified initialisations to enable exf package for MITgcm
317      (without invoking ECCO_PACKAGE).
318    o modifications to gradient check package (Martin Losch)
319      - enable centered differences
320      - modified format of standard output
321    
322  checkpoint45b_post  checkpoint45b_post
323  o cleaned exchange calls in cg2d  o cleaned exchange calls in cg2d
324  o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step  o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step

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