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revision 1.75 by jmc, Thu Jun 20 23:52:03 2002 UTC revision 1.111 by mlosch, Mon Dec 16 21:51:50 2002 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint47d_post
7    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
8      at the bottom boundary had an erroneous half slip boundary condition
9    o added bottom drag and no slip boundary condition capabilities to
10      oceanic pressure coordinates code
11    o added new verification experiment global_ocean_pressure, this experiment is
12      also described in the tutorial section of the manual
13    checkpoint47d_pre
14    
15    checkpoint47c_post
16    o Added a verification experiment for a global cubed-sphere ocean run
17      -  verification/global_ocean.cubed32x32x30
18      -  uses pkg/therm_seaice and pkg/bulk_forcing
19    
20    
21    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
22    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
23      when using P-coordinate; only implemented for atmospheric config.
24    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
25      NOTES: requires option NONLIN_FRSURF to be "#define".
26    o update advect_xz/results/output.txt (left from checkpoint44g_post)
27    
28    checkpoint47b_post
29    Merging from release1_p9:
30    o pkg/seaice
31      - removed GOTO's and added taf directives
32      - double precision constants to reduce the g77 (Linux)
33        to F77 (SGI) differences reported in release1_p8
34    o tools/genmake
35      - added SGI options
36    o verification/testscript
37      - updated to that of checkpoint47a_post
38    o verification/global_ocean.90x40x15/input/eedata
39      - modified for SGI f77 compatibility
40    o verification/lab_sea
41      - added description of sea-ice model
42      - added missing matlab routines
43      - added test of thermodynamics parallelization
44    
45    checkpoint47a_post
46    o new pkg: aim_v23
47     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
48       for now, keep the same surface forcing as before.
49     - Part-Cell implemented into AIM; check that Heat & Water are conserved
50     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
51     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
52    o add diagnostic of surface correction term in monitor output
53    
54    o bulk_force and therm_seaice
55    - Two packages:  bulk_force (Bulk forcing)
56      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
57    - Earlier integration from Stephaine Dutkiewicz
58      and Patrick Heimbach.
59    - Two ifdef statements for compile time,
60       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
61    
62    checkpoint47
63    differentiable version of checkpoint46n_post
64    o bug fix in quasihydrostaticterms
65    o * "clean" adjoint code (in terms of extensive recomputations)
66        can now be obtained for all GMREDI options (i.e. for
67        - GM_VISBECK_VARIABLE_K
68        - GM_NON_UNITY_DIAGONAL
69        - GM_EXTRA_DIAGONAL
70        - GM_BOLUS_ADVEC )
71      * However, wrong gradient check problem remains unsolved.
72      * New CPP options have been introduced for different
73        tapering schemes
74    o external_fields_load now part of differentiation list
75    o pressure needs multiple storing;
76      would be nice to have store_pressure at beginning or
77      end of forward_step, e.g. by having phiHyd global (5-dim.)
78      (NB: pressure is needed for certain cases in find_rho,
79      which is also invoked through convective_adjustment).
80    o recomputations in find_rho for cases
81     'JMD95'/'UNESCO' or 'MDJWF' are OK.
82    o #define ATMOSPHERIC_LOADING should be differentiable
83    o ini_forcing shifted to begining of initialise_varia
84    o Incorporating QNVS line search routines into MITgcm
85      (this is separate code, and therefore not under pkg)
86      lsopt/, optim/
87    o Updated verification/carbon/
88      - #define GM_VISBECK_VARIABLE_K
89      - GM_taper_scheme    = 'ldd97'    
90    
91    checkpoint46n_post
92    Merging from release1_p8:
93    o verification/natl_box:
94      updating new external_fields_load routine
95    o New package: pkg/seaice
96      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
97      The sea-ice code is based on Hibler (1979-1980).
98      Two sea-ice dynamic solvers, ADI and LSR, are included.
99      In addition to computing prognostic sea-ice variables and diagnosing
100      the forcing/external data fields that drive the ocean model,
101      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
102      The implied surface heat flux is then stored in variable
103      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
104      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
105      non-local transport term.  Because this call precedes model
106      thermodynamics, temperature under sea-ice may not be "exactly" at
107      the freezing point by the time theta is dumped or time-averaged.
108      N.B.: fairly large differences in accuracy occur across
109            different platforms/compilers; comparison between
110            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
111            generated output gives:
112       T           S           U           V
113      C D M    c        m  s        m  s        m  s        m  s
114      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
115      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
116      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
117    
118      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
119    o GAD:
120      - generated new common blocks to account for call of
121        same gad routines with differing traceridentities
122        (needed to modify tracerIdentity indices in GAD.h)
123      - generated separate common blocks for case useCubedSphereExchange
124        (Department of Futurology)
125      - parameter lists to gmredi_?transport: added tracerIdentity
126      - added new key indices to tamc.h
127    o external_fields_load:
128      - added this routine to TAF list
129      - needed to make some common blocks global and additional storing
130        along the same lines as exf package (checkpoint_lev?_directives.h)
131    o exf:
132      updated external forcing package
133      - bug fixes carried over from ecco-branch
134        (missing OBCS_OPTIONS.h in two routines)
135      - enable easy to use "no forcing".
136      - added exf I/O for atmospheric loading
137      - added exf I/O for runoff data
138      - transfered scaling between exf <-> MITgcm to exf namelist
139    o Adding new verification experiment global_with_exf.
140      This verification experiment is almost identical to the
141      global_ocean.90x40x15 experiment, except that it uses
142      the exf (and cal) package instead of the
143      external_fields_load routine (cf README file).
144    
145    checkpoint46m_post
146    o modified testscript to return -- when there are no lines of "%MON" output
147    o added new flag "quasiHydrostatic" for QH mode
148      and new routine quasihydrostaticterms()
149    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
150      New routine: mom_u_coriolis_nh()
151    o fixed sign of non-hydrostatic metric terms in u and v equations.
152      Depend on correct sign of gravitySign.
153    o added work.pc* to .cvsignore in aim directories using ifc
154    o introduced flag for controllin non-hydrostatic metric terms
155    o removed gravitySign from PARM04
156    o switched to g77/ifc from pgf77 in aim experiments
157    
158    checkpoint46l_post
159    o made convective adjustment work with pressure coordinates:
160     - changed the direction of k-loop in convective_adjustment.F for the
161       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
162     - adjusted the reference pressure k-index in convective_adjustment.F
163     - adjusted the convection condition in convect.F (in analogy to
164       calc_ivdc.F)
165     - convective_adjustment no longer computes anything on the halos
166     - removed the warnings about negative salinity from find_rho.F and
167       find_alpha.F; instead the new routine look_for_neg_salinity, called
168       at the beginning of find_rho, find_alpha, and find_beta, does a
169       check of the entire slice, if CPP-option
170       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
171    checkpoint46l_pre
172    
173    checkpoint46k_post
174    o fixed the verification/global_ocean.90x40x15 experiment:
175     - new bathymetry (the world according to A., JMC, and M.)
176     - new initial fields and forcing fields (*.bin files)
177     - new POLY3.COEFFS (for the next release one should switch to a full
178       equation of state: JMD95P or MDJWF)
179     - fixed several errors and redundancies in the data file
180     - experiment uses looped cells
181     - added matlab directory with diagnostic scripts for plotting of output
182    
183    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
184     - read AIM physics parameters from a file (data.aimphys)
185     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
186    
187    checkpoint46j_post
188    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
189    o move wVel computation at the end of the time step, in S/R integr_continuity
190    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
191    o update timeave pkg for wVel diagnostic.
192    checkpoint46j_pre
193    
194    checkpoint46i_post
195    o Clean up AIM package (and keep the results unchanged):
196      include CPP_OPTION and use IMPLICT NONE in all routines ;
197      declare all the variables _RL ; use _d 0 for all numerical constants.
198      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
199    
200    checkpoint46h_post
201    o cleaned up the use of rhoNil and rhoConst.
202      - rhoNil should only appear in the LINEAR equation of state, everywhere
203        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
204        and the dynamical equations are all divided by rhoConst
205    o introduced new parameter rhoConstFresh, a reference density of fresh
206      water, to remove the fresh water flux's dependence on rhoNil. The default
207      value is 999.8 kg/m^3
208    o cleanup up external_forcing.F and external_forcing_surf.F
209      - can now be used by both OCEANIC and OCEANICP
210    checkpoint46h_pre
211    
212     Added code to convert surface volume flux (fresh water) into
213     a mass flux when using P coordinates in the ocean (OCEANICP).
214     Note: It assumes you have set rho0=rhoConst=density of fresh water.
215    
216    checkpoint46g_post
217    o Include a new diagnostic variable phiHydLow for the ocean model
218      - in z-coordinates, it is the bottom pressure anomaly
219      - in p-coordinates, it is the sea surface elevation
220      - in both cases, these variable have global drift, reflecting the mass
221        drift in z-coordinates and the volume drift in p-coordinates
222      - included time averaging for phiHydLow, be aware of the drift!
223    o depth-dependent computation of Bo_surf for pressure coordinates
224      in the ocean (buoyancyRelation='OCEANICP')
225      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
226        Theta, Salinity, and Pressure in the parameter list. This routine is
227        presently contained in find_rho.F. This routine does not give the
228        correct density for 'POLY3', which would be a z-dependent reference
229        density.
230    o cleaned up find_rho
231      - removed obsolete 'eqn' from the parameter list.
232    o added two new verification experiments: gop and goz
233      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
234    checkpoint46g_pre
235    
236    checkpoint46f_post
237    o Enable tangent linear (forward mode) gradient checks:
238      - extended active file handling to g_... files
239      - added TANGENT_SIMULATION to theSimulationMode
240      - extended grdchk package accordingly
241    o added tangent linear setup in verification/carbon/code_ftl
242    o added adjoint setup in verification/front_relax/code_ad
243    
244    checkpoint46e_post
245    o Added new equation of state -> MDJWF
246      - EOS of McDougall et al., 2002, JAOT, submitted
247      - caveat: the equation of state is only valid for a smaller (more
248        realistic?) range of values than JMD95P/Z and UNESCO
249      - added masks to the calculation of pressure in store_pressure
250      - added more check values for density in check_eos (ini_eos.F), some of
251        the old check values are out of the range of the MDJWF-eos, so don't
252        expect perfect matches for those
253    checkpoint46e_pre
254    
255    checkpoint46d_post
256    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
257      'OCEANICP', also initialised field pressure correctly in ini_eos in the
258      case of pressure coordinates. eosType='JMD95Z' in
259      combination with buoyancyRelation='OCEANICP' now causes an error.
260    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
261      in find_alpha/beta.
262    checkpoint46d_pre
263    
264    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
265      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
266    
267    checkpoint46c_post
268    o Changes necessary for ocean in p-coordinates
269     -  Added new buoyancy relation = 'OCEANICP'
270     -  Added new parameters = gravitySign (this used to be contained inside
271        the factor dRdZ which I added when we first switched to R coordinates).
272     X GM/Redi is not compatible (yet)
273     X bottom drag and no-slip need to be debugged.
274    checkpoint46c_pre
275    
276    checkpoint46b_post
277    o Added new equation of state -> JMD95Z and JMD95P
278      - EOS of Jackett and McDougall, 1995, JAOT
279      - moved all EOS parameters into EOS.h
280      - new routines ini_eos.F, store_pressure.F
281    o Added UNESCO EOS, but not recommended because it requires
282      in-situ temperature (see JMD95)
283    o Modified formatting for knudsen2.f in utils/knudsen2 and added
284      unesco.f to be used with POLY3
285    checkpoint46b_pre
286    
287    checkpoint46a_post
288    o Added (atmospheric) pressure loading
289      - new field in FFIELDS.h, etc...
290      - new cpp flag ATMOSPHERIC_LOADING
291    o Changed hFacC to _hFacC in calc_phi_hyd.F
292    o Added SHORTWAVE_HEATING to some files for consistency
293    checkpoint46a_pre
294    
295    checkpoint46
296    further merges from release1_p5
297    o new ctrl package
298      - adopted from ECCO environment to enable optimization
299      - added Eliassen Palm fluxes to controls
300    o added Eliassen Palm flux controls to gradient check package
301    o cost package
302      - Compatible with new ctrl package
303      - added Eliassen Palm cost hooks
304      - modif's of existing cost functions
305    o Adjoint-related bug fixes in kpp:
306      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
307      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
308    o autodiff package
309      - flow directives:
310        + new for S/R do_the_model_io
311        + enhanced for S/R checkpoint
312        + new gmredi.flow
313      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
314        disable adcommon.h/g_common.h by default.
315      - fixed problem for adjoint of global_max
316    o modified verification/carbon/
317    o New setup for adjoint of global_ocean
318    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
319    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
320    o incorporated hooks for sponge layer code (external_forcing.F)
321    
322    checkpoint45d_post
323    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
324    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
325      (affects plume_on_slope "cg2d" output)
326    o add new parameter deltaTfreesurf for free-surface time stepping
327    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
328  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
329  o change phiMin in exp1 (to agree with documentation)  o change phiMin in exp1 (to agree with documentation)
330  o add new flags:  o add new flags:

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