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revision 1.75 by jmc, Thu Jun 20 23:52:03 2002 UTC revision 1.120 by jmc, Fri Jan 17 14:21:21 2003 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
6    
7    checkpoint47i_post
8    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
9    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
10      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
11    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
12    o gmredi: fix few bugs.
13    
14    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
15    This will be a good checkpoint to plug into the ecco-branch.
16    o few modif.'s to get latest version adjointed
17      (mainly kick out code in ini_linear_phisurf)
18    o modif's to run adjoint with exactConserv
19    o case GM_BOLUS_ADVEC should be cleaned
20      S/R gmredi_slope_psi should be cleaned
21    o verification/carbon now has exactConserv=.TRUE.
22    
23    checkpoint47g_post
24    o time-average AIM output: becomes independent from statvars time-average
25      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
26    o After TAF bug fix:
27      Tested adjoint of gmredi package.
28      Tests were done with checkpoint47 rather than with latest
29      checkpoint47f_post since the latter is broken for the adjoint
30      verification/carbon/ contains both ADM and TLM gradient checks.
31    Here they are, before they get changed/lost/stolen.
32    Mostly modif.'s to fix numerical sensitivities.
33    Gradient checks OK for
34    - GM_taper_scheme:
35      * clipping
36      * ac02
37      * linear
38      * glw91
39      * dm95
40      * ldd97
41    - GMREDI_OPTIONS:
42      * GM_VISBECK_VARIABLE_K
43      * GM_NON_UNITY_DIAGONAL
44      * GM_EXTRA_DIAGONAL
45      * GM_BOLUS_ADVEC
46    in conjunction with data.gmredi parameters to be checked in
47    in a few minutes under verification/carbon/code/
48    
49    checkpoint47f_post
50    Merging from release1_p10:
51    o modifications for using pkg/exf with pkg/seaice
52      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
53        and SEAICE_EXTERNAL_FLUXES
54      - pkg/exf CPP options EXF_READ_EVAP and
55        EXF_NO_BULK_COMPUTATIONS
56      - usage examples are Experiments 8 and 9 in
57        verification/lab_sea/README
58      - verification/lab_sea default experiment now uses
59        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
60    
61    checkpoint47e_post
62    o created a tag prior to creating a branch
63    
64    checkpoint47d_post
65    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
66      at the bottom boundary had an erroneous half slip boundary condition
67    o added bottom drag and no slip boundary condition capabilities to
68      oceanic pressure coordinates code
69    o added new verification experiment global_ocean_pressure, this experiment is
70      also described in the tutorial section of the manual
71    checkpoint47d_pre
72    
73    checkpoint47c_post
74    o Added a verification experiment for a global cubed-sphere ocean run
75      -  verification/global_ocean.cubed32x32x30
76      -  uses pkg/therm_seaice and pkg/bulk_forcing
77    
78    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
79    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
80      when using P-coordinate; only implemented for atmospheric config.
81    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
82      NOTES: requires option NONLIN_FRSURF to be "#define".
83    o update advect_xz/results/output.txt (left from checkpoint44g_post)
84    
85    checkpoint47b_post
86    Merging from release1_p9:
87    o pkg/seaice
88      - removed GOTO's and added taf directives
89      - double precision constants to reduce the g77 (Linux)
90        to F77 (SGI) differences reported in release1_p8
91    o tools/genmake
92      - added SGI options
93    o verification/testscript
94      - updated to that of checkpoint47a_post
95    o verification/global_ocean.90x40x15/input/eedata
96      - modified for SGI f77 compatibility
97    o verification/lab_sea
98      - added description of sea-ice model
99      - added missing matlab routines
100      - added test of thermodynamics parallelization
101    
102    checkpoint47a_post
103    o new pkg: aim_v23
104     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
105       for now, keep the same surface forcing as before.
106     - Part-Cell implemented into AIM; check that Heat & Water are conserved
107     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
108     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
109    o add diagnostic of surface correction term in monitor output
110    
111    o bulk_force and therm_seaice
112    - Two packages:  bulk_force (Bulk forcing)
113      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
114    - Earlier integration from Stephaine Dutkiewicz
115      and Patrick Heimbach.
116    - Two ifdef statements for compile time,
117       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
118    
119    checkpoint47
120    differentiable version of checkpoint46n_post
121    o bug fix in quasihydrostaticterms
122    o * "clean" adjoint code (in terms of extensive recomputations)
123        can now be obtained for all GMREDI options (i.e. for
124        - GM_VISBECK_VARIABLE_K
125        - GM_NON_UNITY_DIAGONAL
126        - GM_EXTRA_DIAGONAL
127        - GM_BOLUS_ADVEC )
128      * However, wrong gradient check problem remains unsolved.
129      * New CPP options have been introduced for different
130        tapering schemes
131    o external_fields_load now part of differentiation list
132    o pressure needs multiple storing;
133      would be nice to have store_pressure at beginning or
134      end of forward_step, e.g. by having phiHyd global (5-dim.)
135      (NB: pressure is needed for certain cases in find_rho,
136      which is also invoked through convective_adjustment).
137    o recomputations in find_rho for cases
138     'JMD95'/'UNESCO' or 'MDJWF' are OK.
139    o #define ATMOSPHERIC_LOADING should be differentiable
140    o ini_forcing shifted to begining of initialise_varia
141    o Incorporating QNVS line search routines into MITgcm
142      (this is separate code, and therefore not under pkg)
143      lsopt/, optim/
144    o Updated verification/carbon/
145      - #define GM_VISBECK_VARIABLE_K
146      - GM_taper_scheme    = 'ldd97'    
147    
148    checkpoint46n_post
149    Merging from release1_p8:
150    o verification/natl_box:
151      updating new external_fields_load routine
152    o New package: pkg/seaice
153      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
154      The sea-ice code is based on Hibler (1979-1980).
155      Two sea-ice dynamic solvers, ADI and LSR, are included.
156      In addition to computing prognostic sea-ice variables and diagnosing
157      the forcing/external data fields that drive the ocean model,
158      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
159      The implied surface heat flux is then stored in variable
160      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
161      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
162      non-local transport term.  Because this call precedes model
163      thermodynamics, temperature under sea-ice may not be "exactly" at
164      the freezing point by the time theta is dumped or time-averaged.
165      N.B.: fairly large differences in accuracy occur across
166            different platforms/compilers; comparison between
167            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
168            generated output gives:
169       T           S           U           V
170      C D M    c        m  s        m  s        m  s        m  s
171      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
172      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
173      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
174    
175      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
176    o GAD:
177      - generated new common blocks to account for call of
178        same gad routines with differing traceridentities
179        (needed to modify tracerIdentity indices in GAD.h)
180      - generated separate common blocks for case useCubedSphereExchange
181        (Department of Futurology)
182      - parameter lists to gmredi_?transport: added tracerIdentity
183      - added new key indices to tamc.h
184    o external_fields_load:
185      - added this routine to TAF list
186      - needed to make some common blocks global and additional storing
187        along the same lines as exf package (checkpoint_lev?_directives.h)
188    o exf:
189      updated external forcing package
190      - bug fixes carried over from ecco-branch
191        (missing OBCS_OPTIONS.h in two routines)
192      - enable easy to use "no forcing".
193      - added exf I/O for atmospheric loading
194      - added exf I/O for runoff data
195      - transfered scaling between exf <-> MITgcm to exf namelist
196    o Adding new verification experiment global_with_exf.
197      This verification experiment is almost identical to the
198      global_ocean.90x40x15 experiment, except that it uses
199      the exf (and cal) package instead of the
200      external_fields_load routine (cf README file).
201    
202    checkpoint46m_post
203    o modified testscript to return -- when there are no lines of "%MON" output
204    o added new flag "quasiHydrostatic" for QH mode
205      and new routine quasihydrostaticterms()
206    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
207      New routine: mom_u_coriolis_nh()
208    o fixed sign of non-hydrostatic metric terms in u and v equations.
209      Depend on correct sign of gravitySign.
210    o added work.pc* to .cvsignore in aim directories using ifc
211    o introduced flag for controllin non-hydrostatic metric terms
212    o removed gravitySign from PARM04
213    o switched to g77/ifc from pgf77 in aim experiments
214    
215    checkpoint46l_post
216    o made convective adjustment work with pressure coordinates:
217     - changed the direction of k-loop in convective_adjustment.F for the
218       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
219     - adjusted the reference pressure k-index in convective_adjustment.F
220     - adjusted the convection condition in convect.F (in analogy to
221       calc_ivdc.F)
222     - convective_adjustment no longer computes anything on the halos
223     - removed the warnings about negative salinity from find_rho.F and
224       find_alpha.F; instead the new routine look_for_neg_salinity, called
225       at the beginning of find_rho, find_alpha, and find_beta, does a
226       check of the entire slice, if CPP-option
227       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
228    checkpoint46l_pre
229    
230    checkpoint46k_post
231    o fixed the verification/global_ocean.90x40x15 experiment:
232     - new bathymetry (the world according to A., JMC, and M.)
233     - new initial fields and forcing fields (*.bin files)
234     - new POLY3.COEFFS (for the next release one should switch to a full
235       equation of state: JMD95P or MDJWF)
236     - fixed several errors and redundancies in the data file
237     - experiment uses looped cells
238     - added matlab directory with diagnostic scripts for plotting of output
239    
240    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
241     - read AIM physics parameters from a file (data.aimphys)
242     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
243    
244    checkpoint46j_post
245    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
246    o move wVel computation at the end of the time step, in S/R integr_continuity
247    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
248    o update timeave pkg for wVel diagnostic.
249    checkpoint46j_pre
250    
251    checkpoint46i_post
252    o Clean up AIM package (and keep the results unchanged):
253      include CPP_OPTION and use IMPLICT NONE in all routines ;
254      declare all the variables _RL ; use _d 0 for all numerical constants.
255      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
256    
257    checkpoint46h_post
258    o cleaned up the use of rhoNil and rhoConst.
259      - rhoNil should only appear in the LINEAR equation of state, everywhere
260        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
261        and the dynamical equations are all divided by rhoConst
262    o introduced new parameter rhoConstFresh, a reference density of fresh
263      water, to remove the fresh water flux's dependence on rhoNil. The default
264      value is 999.8 kg/m^3
265    o cleanup up external_forcing.F and external_forcing_surf.F
266      - can now be used by both OCEANIC and OCEANICP
267    checkpoint46h_pre
268    
269     Added code to convert surface volume flux (fresh water) into
270     a mass flux when using P coordinates in the ocean (OCEANICP).
271     Note: It assumes you have set rho0=rhoConst=density of fresh water.
272    
273    checkpoint46g_post
274    o Include a new diagnostic variable phiHydLow for the ocean model
275      - in z-coordinates, it is the bottom pressure anomaly
276      - in p-coordinates, it is the sea surface elevation
277      - in both cases, these variable have global drift, reflecting the mass
278        drift in z-coordinates and the volume drift in p-coordinates
279      - included time averaging for phiHydLow, be aware of the drift!
280    o depth-dependent computation of Bo_surf for pressure coordinates
281      in the ocean (buoyancyRelation='OCEANICP')
282      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
283        Theta, Salinity, and Pressure in the parameter list. This routine is
284        presently contained in find_rho.F. This routine does not give the
285        correct density for 'POLY3', which would be a z-dependent reference
286        density.
287    o cleaned up find_rho
288      - removed obsolete 'eqn' from the parameter list.
289    o added two new verification experiments: gop and goz
290      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
291    checkpoint46g_pre
292    
293    checkpoint46f_post
294    o Enable tangent linear (forward mode) gradient checks:
295      - extended active file handling to g_... files
296      - added TANGENT_SIMULATION to theSimulationMode
297      - extended grdchk package accordingly
298    o added tangent linear setup in verification/carbon/code_ftl
299    o added adjoint setup in verification/front_relax/code_ad
300    
301    checkpoint46e_post
302    o Added new equation of state -> MDJWF
303      - EOS of McDougall et al., 2002, JAOT, submitted
304      - caveat: the equation of state is only valid for a smaller (more
305        realistic?) range of values than JMD95P/Z and UNESCO
306      - added masks to the calculation of pressure in store_pressure
307      - added more check values for density in check_eos (ini_eos.F), some of
308        the old check values are out of the range of the MDJWF-eos, so don't
309        expect perfect matches for those
310    checkpoint46e_pre
311    
312    checkpoint46d_post
313    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
314      'OCEANICP', also initialised field pressure correctly in ini_eos in the
315      case of pressure coordinates. eosType='JMD95Z' in
316      combination with buoyancyRelation='OCEANICP' now causes an error.
317    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
318      in find_alpha/beta.
319    checkpoint46d_pre
320    
321    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
322      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
323    
324    checkpoint46c_post
325    o Changes necessary for ocean in p-coordinates
326     -  Added new buoyancy relation = 'OCEANICP'
327     -  Added new parameters = gravitySign (this used to be contained inside
328        the factor dRdZ which I added when we first switched to R coordinates).
329     X GM/Redi is not compatible (yet)
330     X bottom drag and no-slip need to be debugged.
331    checkpoint46c_pre
332    
333    checkpoint46b_post
334    o Added new equation of state -> JMD95Z and JMD95P
335      - EOS of Jackett and McDougall, 1995, JAOT
336      - moved all EOS parameters into EOS.h
337      - new routines ini_eos.F, store_pressure.F
338    o Added UNESCO EOS, but not recommended because it requires
339      in-situ temperature (see JMD95)
340    o Modified formatting for knudsen2.f in utils/knudsen2 and added
341      unesco.f to be used with POLY3
342    checkpoint46b_pre
343    
344    checkpoint46a_post
345    o Added (atmospheric) pressure loading
346      - new field in FFIELDS.h, etc...
347      - new cpp flag ATMOSPHERIC_LOADING
348    o Changed hFacC to _hFacC in calc_phi_hyd.F
349    o Added SHORTWAVE_HEATING to some files for consistency
350    checkpoint46a_pre
351    
352    checkpoint46
353    further merges from release1_p5
354    o new ctrl package
355      - adopted from ECCO environment to enable optimization
356      - added Eliassen Palm fluxes to controls
357    o added Eliassen Palm flux controls to gradient check package
358    o cost package
359      - Compatible with new ctrl package
360      - added Eliassen Palm cost hooks
361      - modif's of existing cost functions
362    o Adjoint-related bug fixes in kpp:
363      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
364      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
365    o autodiff package
366      - flow directives:
367        + new for S/R do_the_model_io
368        + enhanced for S/R checkpoint
369        + new gmredi.flow
370      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
371        disable adcommon.h/g_common.h by default.
372      - fixed problem for adjoint of global_max
373    o modified verification/carbon/
374    o New setup for adjoint of global_ocean
375    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
376    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
377    o incorporated hooks for sponge layer code (external_forcing.F)
378    
379    checkpoint45d_post
380    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
381    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
382      (affects plume_on_slope "cg2d" output)
383    o add new parameter deltaTfreesurf for free-surface time stepping
384    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
385  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
386  o change phiMin in exp1 (to agree with documentation)  o change phiMin in exp1 (to agree with documentation)
387  o add new flags:  o add new flags:

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