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revision 1.74 by jmc, Sat Jun 15 04:22:21 2002 UTC revision 1.116 by heimbach, Fri Jan 10 23:41:38 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    checkpoint48
7    This will be a good checkpoint to plug into the ecco-branch.
8    o few modif.'s to get latest version adjointed
9      (mainly kick out code in ini_linear_phisurf)
10    o modif's to run adjoint with exactConserv
11    o case GM_BOLUS_ADVEC should be cleaned
12      S/R gmredi_slope_psi should be cleaned
13    o verification/carbon now has exactConserv=.TRUE.
14    
15    checkpoint47g_post
16    o time-average AIM output: becomes independent from statvars time-average
17      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
18    o After TAF bug fix:
19      Tested adjoint of gmredi package.
20      Tests were done with checkpoint47 rather than with latest
21      checkpoint47f_post since the latter is broken for the adjoint
22      verification/carbon/ contains both ADM and TLM gradient checks.
23    Here they are, before they get changed/lost/stolen.
24    Mostly modif.'s to fix numerical sensitivities.
25    Gradient checks OK for
26    - GM_taper_scheme:
27      * clipping
28      * ac02
29      * linear
30      * glw91
31      * dm95
32      * ldd97
33    - GMREDI_OPTIONS:
34      * GM_VISBECK_VARIABLE_K
35      * GM_NON_UNITY_DIAGONAL
36      * GM_EXTRA_DIAGONAL
37      * GM_BOLUS_ADVEC
38    in conjunction with data.gmredi parameters to be checked in
39    in a few minutes under verification/carbon/code/
40    
41    checkpoint47f_post
42    Merging from release1_p10:
43    o modifications for using pkg/exf with pkg/seaice
44      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
45        and SEAICE_EXTERNAL_FLUXES
46      - pkg/exf CPP options EXF_READ_EVAP and
47        EXF_NO_BULK_COMPUTATIONS
48      - usage examples are Experiments 8 and 9 in
49        verification/lab_sea/README
50      - verification/lab_sea default experiment now uses
51        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
52    
53    checkpoint47e_post
54    o created a tag prior to creating a branch
55    
56    checkpoint47d_post
57    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
58      at the bottom boundary had an erroneous half slip boundary condition
59    o added bottom drag and no slip boundary condition capabilities to
60      oceanic pressure coordinates code
61    o added new verification experiment global_ocean_pressure, this experiment is
62      also described in the tutorial section of the manual
63    checkpoint47d_pre
64    
65    checkpoint47c_post
66    o Added a verification experiment for a global cubed-sphere ocean run
67      -  verification/global_ocean.cubed32x32x30
68      -  uses pkg/therm_seaice and pkg/bulk_forcing
69    
70    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
71    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
72      when using P-coordinate; only implemented for atmospheric config.
73    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
74      NOTES: requires option NONLIN_FRSURF to be "#define".
75    o update advect_xz/results/output.txt (left from checkpoint44g_post)
76    
77    checkpoint47b_post
78    Merging from release1_p9:
79    o pkg/seaice
80      - removed GOTO's and added taf directives
81      - double precision constants to reduce the g77 (Linux)
82        to F77 (SGI) differences reported in release1_p8
83    o tools/genmake
84      - added SGI options
85    o verification/testscript
86      - updated to that of checkpoint47a_post
87    o verification/global_ocean.90x40x15/input/eedata
88      - modified for SGI f77 compatibility
89    o verification/lab_sea
90      - added description of sea-ice model
91      - added missing matlab routines
92      - added test of thermodynamics parallelization
93    
94    checkpoint47a_post
95    o new pkg: aim_v23
96     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
97       for now, keep the same surface forcing as before.
98     - Part-Cell implemented into AIM; check that Heat & Water are conserved
99     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
100     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
101    o add diagnostic of surface correction term in monitor output
102    
103    o bulk_force and therm_seaice
104    - Two packages:  bulk_force (Bulk forcing)
105      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
106    - Earlier integration from Stephaine Dutkiewicz
107      and Patrick Heimbach.
108    - Two ifdef statements for compile time,
109       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
110    
111    checkpoint47
112    differentiable version of checkpoint46n_post
113    o bug fix in quasihydrostaticterms
114    o * "clean" adjoint code (in terms of extensive recomputations)
115        can now be obtained for all GMREDI options (i.e. for
116        - GM_VISBECK_VARIABLE_K
117        - GM_NON_UNITY_DIAGONAL
118        - GM_EXTRA_DIAGONAL
119        - GM_BOLUS_ADVEC )
120      * However, wrong gradient check problem remains unsolved.
121      * New CPP options have been introduced for different
122        tapering schemes
123    o external_fields_load now part of differentiation list
124    o pressure needs multiple storing;
125      would be nice to have store_pressure at beginning or
126      end of forward_step, e.g. by having phiHyd global (5-dim.)
127      (NB: pressure is needed for certain cases in find_rho,
128      which is also invoked through convective_adjustment).
129    o recomputations in find_rho for cases
130     'JMD95'/'UNESCO' or 'MDJWF' are OK.
131    o #define ATMOSPHERIC_LOADING should be differentiable
132    o ini_forcing shifted to begining of initialise_varia
133    o Incorporating QNVS line search routines into MITgcm
134      (this is separate code, and therefore not under pkg)
135      lsopt/, optim/
136    o Updated verification/carbon/
137      - #define GM_VISBECK_VARIABLE_K
138      - GM_taper_scheme    = 'ldd97'    
139    
140    checkpoint46n_post
141    Merging from release1_p8:
142    o verification/natl_box:
143      updating new external_fields_load routine
144    o New package: pkg/seaice
145      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
146      The sea-ice code is based on Hibler (1979-1980).
147      Two sea-ice dynamic solvers, ADI and LSR, are included.
148      In addition to computing prognostic sea-ice variables and diagnosing
149      the forcing/external data fields that drive the ocean model,
150      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
151      The implied surface heat flux is then stored in variable
152      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
153      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
154      non-local transport term.  Because this call precedes model
155      thermodynamics, temperature under sea-ice may not be "exactly" at
156      the freezing point by the time theta is dumped or time-averaged.
157      N.B.: fairly large differences in accuracy occur across
158            different platforms/compilers; comparison between
159            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
160            generated output gives:
161       T           S           U           V
162      C D M    c        m  s        m  s        m  s        m  s
163      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
164      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
165      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
166    
167      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
168    o GAD:
169      - generated new common blocks to account for call of
170        same gad routines with differing traceridentities
171        (needed to modify tracerIdentity indices in GAD.h)
172      - generated separate common blocks for case useCubedSphereExchange
173        (Department of Futurology)
174      - parameter lists to gmredi_?transport: added tracerIdentity
175      - added new key indices to tamc.h
176    o external_fields_load:
177      - added this routine to TAF list
178      - needed to make some common blocks global and additional storing
179        along the same lines as exf package (checkpoint_lev?_directives.h)
180    o exf:
181      updated external forcing package
182      - bug fixes carried over from ecco-branch
183        (missing OBCS_OPTIONS.h in two routines)
184      - enable easy to use "no forcing".
185      - added exf I/O for atmospheric loading
186      - added exf I/O for runoff data
187      - transfered scaling between exf <-> MITgcm to exf namelist
188    o Adding new verification experiment global_with_exf.
189      This verification experiment is almost identical to the
190      global_ocean.90x40x15 experiment, except that it uses
191      the exf (and cal) package instead of the
192      external_fields_load routine (cf README file).
193    
194    checkpoint46m_post
195    o modified testscript to return -- when there are no lines of "%MON" output
196    o added new flag "quasiHydrostatic" for QH mode
197      and new routine quasihydrostaticterms()
198    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
199      New routine: mom_u_coriolis_nh()
200    o fixed sign of non-hydrostatic metric terms in u and v equations.
201      Depend on correct sign of gravitySign.
202    o added work.pc* to .cvsignore in aim directories using ifc
203    o introduced flag for controllin non-hydrostatic metric terms
204    o removed gravitySign from PARM04
205    o switched to g77/ifc from pgf77 in aim experiments
206    
207    checkpoint46l_post
208    o made convective adjustment work with pressure coordinates:
209     - changed the direction of k-loop in convective_adjustment.F for the
210       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
211     - adjusted the reference pressure k-index in convective_adjustment.F
212     - adjusted the convection condition in convect.F (in analogy to
213       calc_ivdc.F)
214     - convective_adjustment no longer computes anything on the halos
215     - removed the warnings about negative salinity from find_rho.F and
216       find_alpha.F; instead the new routine look_for_neg_salinity, called
217       at the beginning of find_rho, find_alpha, and find_beta, does a
218       check of the entire slice, if CPP-option
219       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
220    checkpoint46l_pre
221    
222    checkpoint46k_post
223    o fixed the verification/global_ocean.90x40x15 experiment:
224     - new bathymetry (the world according to A., JMC, and M.)
225     - new initial fields and forcing fields (*.bin files)
226     - new POLY3.COEFFS (for the next release one should switch to a full
227       equation of state: JMD95P or MDJWF)
228     - fixed several errors and redundancies in the data file
229     - experiment uses looped cells
230     - added matlab directory with diagnostic scripts for plotting of output
231    
232    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
233     - read AIM physics parameters from a file (data.aimphys)
234     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
235    
236    checkpoint46j_post
237    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
238    o move wVel computation at the end of the time step, in S/R integr_continuity
239    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
240    o update timeave pkg for wVel diagnostic.
241    checkpoint46j_pre
242    
243    checkpoint46i_post
244    o Clean up AIM package (and keep the results unchanged):
245      include CPP_OPTION and use IMPLICT NONE in all routines ;
246      declare all the variables _RL ; use _d 0 for all numerical constants.
247      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
248    
249    checkpoint46h_post
250    o cleaned up the use of rhoNil and rhoConst.
251      - rhoNil should only appear in the LINEAR equation of state, everywhere
252        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
253        and the dynamical equations are all divided by rhoConst
254    o introduced new parameter rhoConstFresh, a reference density of fresh
255      water, to remove the fresh water flux's dependence on rhoNil. The default
256      value is 999.8 kg/m^3
257    o cleanup up external_forcing.F and external_forcing_surf.F
258      - can now be used by both OCEANIC and OCEANICP
259    checkpoint46h_pre
260    
261     Added code to convert surface volume flux (fresh water) into
262     a mass flux when using P coordinates in the ocean (OCEANICP).
263     Note: It assumes you have set rho0=rhoConst=density of fresh water.
264    
265    checkpoint46g_post
266    o Include a new diagnostic variable phiHydLow for the ocean model
267      - in z-coordinates, it is the bottom pressure anomaly
268      - in p-coordinates, it is the sea surface elevation
269      - in both cases, these variable have global drift, reflecting the mass
270        drift in z-coordinates and the volume drift in p-coordinates
271      - included time averaging for phiHydLow, be aware of the drift!
272    o depth-dependent computation of Bo_surf for pressure coordinates
273      in the ocean (buoyancyRelation='OCEANICP')
274      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
275        Theta, Salinity, and Pressure in the parameter list. This routine is
276        presently contained in find_rho.F. This routine does not give the
277        correct density for 'POLY3', which would be a z-dependent reference
278        density.
279    o cleaned up find_rho
280      - removed obsolete 'eqn' from the parameter list.
281    o added two new verification experiments: gop and goz
282      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
283    checkpoint46g_pre
284    
285    checkpoint46f_post
286    o Enable tangent linear (forward mode) gradient checks:
287      - extended active file handling to g_... files
288      - added TANGENT_SIMULATION to theSimulationMode
289      - extended grdchk package accordingly
290    o added tangent linear setup in verification/carbon/code_ftl
291    o added adjoint setup in verification/front_relax/code_ad
292    
293    checkpoint46e_post
294    o Added new equation of state -> MDJWF
295      - EOS of McDougall et al., 2002, JAOT, submitted
296      - caveat: the equation of state is only valid for a smaller (more
297        realistic?) range of values than JMD95P/Z and UNESCO
298      - added masks to the calculation of pressure in store_pressure
299      - added more check values for density in check_eos (ini_eos.F), some of
300        the old check values are out of the range of the MDJWF-eos, so don't
301        expect perfect matches for those
302    checkpoint46e_pre
303    
304    checkpoint46d_post
305    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
306      'OCEANICP', also initialised field pressure correctly in ini_eos in the
307      case of pressure coordinates. eosType='JMD95Z' in
308      combination with buoyancyRelation='OCEANICP' now causes an error.
309    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
310      in find_alpha/beta.
311    checkpoint46d_pre
312    
313    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
314      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
315    
316    checkpoint46c_post
317    o Changes necessary for ocean in p-coordinates
318     -  Added new buoyancy relation = 'OCEANICP'
319     -  Added new parameters = gravitySign (this used to be contained inside
320        the factor dRdZ which I added when we first switched to R coordinates).
321     X GM/Redi is not compatible (yet)
322     X bottom drag and no-slip need to be debugged.
323    checkpoint46c_pre
324    
325    checkpoint46b_post
326    o Added new equation of state -> JMD95Z and JMD95P
327      - EOS of Jackett and McDougall, 1995, JAOT
328      - moved all EOS parameters into EOS.h
329      - new routines ini_eos.F, store_pressure.F
330    o Added UNESCO EOS, but not recommended because it requires
331      in-situ temperature (see JMD95)
332    o Modified formatting for knudsen2.f in utils/knudsen2 and added
333      unesco.f to be used with POLY3
334    checkpoint46b_pre
335    
336    checkpoint46a_post
337    o Added (atmospheric) pressure loading
338      - new field in FFIELDS.h, etc...
339      - new cpp flag ATMOSPHERIC_LOADING
340    o Changed hFacC to _hFacC in calc_phi_hyd.F
341    o Added SHORTWAVE_HEATING to some files for consistency
342    checkpoint46a_pre
343    
344    checkpoint46
345    further merges from release1_p5
346    o new ctrl package
347      - adopted from ECCO environment to enable optimization
348      - added Eliassen Palm fluxes to controls
349    o added Eliassen Palm flux controls to gradient check package
350    o cost package
351      - Compatible with new ctrl package
352      - added Eliassen Palm cost hooks
353      - modif's of existing cost functions
354    o Adjoint-related bug fixes in kpp:
355      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
356      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
357    o autodiff package
358      - flow directives:
359        + new for S/R do_the_model_io
360        + enhanced for S/R checkpoint
361        + new gmredi.flow
362      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
363        disable adcommon.h/g_common.h by default.
364      - fixed problem for adjoint of global_max
365    o modified verification/carbon/
366    o New setup for adjoint of global_ocean
367    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
368    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
369    o incorporated hooks for sponge layer code (external_forcing.F)
370    
371    checkpoint45d_post
372    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
373    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
374      (affects plume_on_slope "cg2d" output)
375    o add new parameter deltaTfreesurf for free-surface time stepping
376    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
377    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
378  o change phiMin in exp1 (to agree with documentation)  o change phiMin in exp1 (to agree with documentation)
379  o add new flags:  o add new flags:
380   - T,S forcing inside/outside Adams-Bashforth   - T,S forcing inside/outside Adams-Bashforth

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