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revision 1.82 by mlosch, Mon Aug 19 14:21:30 2002 UTC revision 1.125 by jmc, Mon Jan 27 21:42:19 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint48b_post
7    o r* coordinate added in #ifdef NONLIN_FRSURF block.
8     (modification to pressure gradient not yet implemented)
9    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
10      (for U & V) that are used for vertical advection of momentum.
11    
12    checkpoint48a_post
13    o In preparation for r*, use temp. array to compute vertical transport
14       in flux-form momentum pkg. => change results of few test-exp.
15      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
16                        lab_sea, natl_box & plume_on_slope
17    
18    checkpoint48
19    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
20    
21    checkpoint47j_post
22    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
23    o moved adexch from forward_step to addummy_in_stepping
24    o added exch in ctrl_map_...
25    o aveFreq.=0. at end of cost_final to avoid overwrite in
26      reverse checkpointing loop
27    o Yet more changes in gmredi:
28      * adgmredi_calc_tensor
29        avoiding all recomputation of gmredi_slope_limit
30      * adgmredi_x/y/rtransport
31        added flag for excessive storing to avoid recomp. of
32        u/v/rtans, dTdx/y/z
33        -> this is not really necessary and very memory-consuming
34      * adgmredi_slope_psi:
35        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
36      * gmredi_slope_limit
37        re-activated full calculation of taperfct for case 'ac02'
38    o updating verification/ adjoints of carbon, global_ocean.90x40x15
39    
40    checkpoint47i_post
41    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
42    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
43      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
44    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
45    o gmredi: fix few bugs.
46    
47    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
48    This will be a good checkpoint to plug into the ecco-branch.
49    o few modif.'s to get latest version adjointed
50      (mainly kick out code in ini_linear_phisurf)
51    o modif's to run adjoint with exactConserv
52    o case GM_BOLUS_ADVEC should be cleaned
53      S/R gmredi_slope_psi should be cleaned
54    o verification/carbon now has exactConserv=.TRUE.
55    
56    checkpoint47g_post
57    o time-average AIM output: becomes independent from statvars time-average
58      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
59    o After TAF bug fix:
60      Tested adjoint of gmredi package.
61      Tests were done with checkpoint47 rather than with latest
62      checkpoint47f_post since the latter is broken for the adjoint
63      verification/carbon/ contains both ADM and TLM gradient checks.
64    Here they are, before they get changed/lost/stolen.
65    Mostly modif.'s to fix numerical sensitivities.
66    Gradient checks OK for
67    - GM_taper_scheme:
68      * clipping
69      * ac02
70      * linear
71      * glw91
72      * dm95
73      * ldd97
74    - GMREDI_OPTIONS:
75      * GM_VISBECK_VARIABLE_K
76      * GM_NON_UNITY_DIAGONAL
77      * GM_EXTRA_DIAGONAL
78      * GM_BOLUS_ADVEC
79    in conjunction with data.gmredi parameters to be checked in
80    in a few minutes under verification/carbon/code/
81    
82    checkpoint47f_post
83    Merging from release1_p10:
84    o modifications for using pkg/exf with pkg/seaice
85      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
86        and SEAICE_EXTERNAL_FLUXES
87      - pkg/exf CPP options EXF_READ_EVAP and
88        EXF_NO_BULK_COMPUTATIONS
89      - usage examples are Experiments 8 and 9 in
90        verification/lab_sea/README
91      - verification/lab_sea default experiment now uses
92        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
93    
94    checkpoint47e_post
95    o created a tag prior to creating a branch
96    
97    checkpoint47d_post
98    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
99      at the bottom boundary had an erroneous half slip boundary condition
100    o added bottom drag and no slip boundary condition capabilities to
101      oceanic pressure coordinates code
102    o added new verification experiment global_ocean_pressure, this experiment is
103      also described in the tutorial section of the manual
104    checkpoint47d_pre
105    
106    checkpoint47c_post
107    o Added a verification experiment for a global cubed-sphere ocean run
108      -  verification/global_ocean.cubed32x32x30
109      -  uses pkg/therm_seaice and pkg/bulk_forcing
110    
111    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
112    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
113      when using P-coordinate; only implemented for atmospheric config.
114    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
115      NOTES: requires option NONLIN_FRSURF to be "#define".
116    o update advect_xz/results/output.txt (left from checkpoint44g_post)
117    
118    checkpoint47b_post
119    Merging from release1_p9:
120    o pkg/seaice
121      - removed GOTO's and added taf directives
122      - double precision constants to reduce the g77 (Linux)
123        to F77 (SGI) differences reported in release1_p8
124    o tools/genmake
125      - added SGI options
126    o verification/testscript
127      - updated to that of checkpoint47a_post
128    o verification/global_ocean.90x40x15/input/eedata
129      - modified for SGI f77 compatibility
130    o verification/lab_sea
131      - added description of sea-ice model
132      - added missing matlab routines
133      - added test of thermodynamics parallelization
134    
135    checkpoint47a_post
136    o new pkg: aim_v23
137     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
138       for now, keep the same surface forcing as before.
139     - Part-Cell implemented into AIM; check that Heat & Water are conserved
140     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
141     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
142    o add diagnostic of surface correction term in monitor output
143    
144    o bulk_force and therm_seaice
145    - Two packages:  bulk_force (Bulk forcing)
146      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
147    - Earlier integration from Stephaine Dutkiewicz
148      and Patrick Heimbach.
149    - Two ifdef statements for compile time,
150       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
151    
152    checkpoint47
153    differentiable version of checkpoint46n_post
154    o bug fix in quasihydrostaticterms
155    o * "clean" adjoint code (in terms of extensive recomputations)
156        can now be obtained for all GMREDI options (i.e. for
157        - GM_VISBECK_VARIABLE_K
158        - GM_NON_UNITY_DIAGONAL
159        - GM_EXTRA_DIAGONAL
160        - GM_BOLUS_ADVEC )
161      * However, wrong gradient check problem remains unsolved.
162      * New CPP options have been introduced for different
163        tapering schemes
164    o external_fields_load now part of differentiation list
165    o pressure needs multiple storing;
166      would be nice to have store_pressure at beginning or
167      end of forward_step, e.g. by having phiHyd global (5-dim.)
168      (NB: pressure is needed for certain cases in find_rho,
169      which is also invoked through convective_adjustment).
170    o recomputations in find_rho for cases
171     'JMD95'/'UNESCO' or 'MDJWF' are OK.
172    o #define ATMOSPHERIC_LOADING should be differentiable
173    o ini_forcing shifted to begining of initialise_varia
174    o Incorporating QNVS line search routines into MITgcm
175      (this is separate code, and therefore not under pkg)
176      lsopt/, optim/
177    o Updated verification/carbon/
178      - #define GM_VISBECK_VARIABLE_K
179      - GM_taper_scheme    = 'ldd97'    
180    
181    checkpoint46n_post
182    Merging from release1_p8:
183    o verification/natl_box:
184      updating new external_fields_load routine
185    o New package: pkg/seaice
186      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
187      The sea-ice code is based on Hibler (1979-1980).
188      Two sea-ice dynamic solvers, ADI and LSR, are included.
189      In addition to computing prognostic sea-ice variables and diagnosing
190      the forcing/external data fields that drive the ocean model,
191      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
192      The implied surface heat flux is then stored in variable
193      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
194      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
195      non-local transport term.  Because this call precedes model
196      thermodynamics, temperature under sea-ice may not be "exactly" at
197      the freezing point by the time theta is dumped or time-averaged.
198      N.B.: fairly large differences in accuracy occur across
199            different platforms/compilers; comparison between
200            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
201            generated output gives:
202       T           S           U           V
203      C D M    c        m  s        m  s        m  s        m  s
204      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
205      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
206      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
207    
208      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
209    o GAD:
210      - generated new common blocks to account for call of
211        same gad routines with differing traceridentities
212        (needed to modify tracerIdentity indices in GAD.h)
213      - generated separate common blocks for case useCubedSphereExchange
214        (Department of Futurology)
215      - parameter lists to gmredi_?transport: added tracerIdentity
216      - added new key indices to tamc.h
217    o external_fields_load:
218      - added this routine to TAF list
219      - needed to make some common blocks global and additional storing
220        along the same lines as exf package (checkpoint_lev?_directives.h)
221    o exf:
222      updated external forcing package
223      - bug fixes carried over from ecco-branch
224        (missing OBCS_OPTIONS.h in two routines)
225      - enable easy to use "no forcing".
226      - added exf I/O for atmospheric loading
227      - added exf I/O for runoff data
228      - transfered scaling between exf <-> MITgcm to exf namelist
229    o Adding new verification experiment global_with_exf.
230      This verification experiment is almost identical to the
231      global_ocean.90x40x15 experiment, except that it uses
232      the exf (and cal) package instead of the
233      external_fields_load routine (cf README file).
234    
235    checkpoint46m_post
236    o modified testscript to return -- when there are no lines of "%MON" output
237    o added new flag "quasiHydrostatic" for QH mode
238      and new routine quasihydrostaticterms()
239    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
240      New routine: mom_u_coriolis_nh()
241    o fixed sign of non-hydrostatic metric terms in u and v equations.
242      Depend on correct sign of gravitySign.
243    o added work.pc* to .cvsignore in aim directories using ifc
244    o introduced flag for controllin non-hydrostatic metric terms
245    o removed gravitySign from PARM04
246    o switched to g77/ifc from pgf77 in aim experiments
247    
248    checkpoint46l_post
249    o made convective adjustment work with pressure coordinates:
250     - changed the direction of k-loop in convective_adjustment.F for the
251       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
252     - adjusted the reference pressure k-index in convective_adjustment.F
253     - adjusted the convection condition in convect.F (in analogy to
254       calc_ivdc.F)
255     - convective_adjustment no longer computes anything on the halos
256     - removed the warnings about negative salinity from find_rho.F and
257       find_alpha.F; instead the new routine look_for_neg_salinity, called
258       at the beginning of find_rho, find_alpha, and find_beta, does a
259       check of the entire slice, if CPP-option
260       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
261    checkpoint46l_pre
262    
263    checkpoint46k_post
264    o fixed the verification/global_ocean.90x40x15 experiment:
265     - new bathymetry (the world according to A., JMC, and M.)
266     - new initial fields and forcing fields (*.bin files)
267     - new POLY3.COEFFS (for the next release one should switch to a full
268       equation of state: JMD95P or MDJWF)
269     - fixed several errors and redundancies in the data file
270     - experiment uses looped cells
271     - added matlab directory with diagnostic scripts for plotting of output
272    
273    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
274     - read AIM physics parameters from a file (data.aimphys)
275     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
276    
277    checkpoint46j_post
278    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
279    o move wVel computation at the end of the time step, in S/R integr_continuity
280    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
281    o update timeave pkg for wVel diagnostic.
282    checkpoint46j_pre
283    
284    checkpoint46i_post
285    o Clean up AIM package (and keep the results unchanged):
286      include CPP_OPTION and use IMPLICT NONE in all routines ;
287      declare all the variables _RL ; use _d 0 for all numerical constants.
288      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
289    
290    checkpoint46h_post
291    o cleaned up the use of rhoNil and rhoConst.
292      - rhoNil should only appear in the LINEAR equation of state, everywhere
293        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
294        and the dynamical equations are all divided by rhoConst
295    o introduced new parameter rhoConstFresh, a reference density of fresh
296      water, to remove the fresh water flux's dependence on rhoNil. The default
297      value is 999.8 kg/m^3
298    o cleanup up external_forcing.F and external_forcing_surf.F
299      - can now be used by both OCEANIC and OCEANICP
300    checkpoint46h_pre
301    
302     Added code to convert surface volume flux (fresh water) into
303     a mass flux when using P coordinates in the ocean (OCEANICP).
304     Note: It assumes you have set rho0=rhoConst=density of fresh water.
305    
306    checkpoint46g_post
307    o Include a new diagnostic variable phiHydLow for the ocean model
308      - in z-coordinates, it is the bottom pressure anomaly
309      - in p-coordinates, it is the sea surface elevation
310      - in both cases, these variable have global drift, reflecting the mass
311        drift in z-coordinates and the volume drift in p-coordinates
312      - included time averaging for phiHydLow, be aware of the drift!
313    o depth-dependent computation of Bo_surf for pressure coordinates
314      in the ocean (buoyancyRelation='OCEANICP')
315      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
316        Theta, Salinity, and Pressure in the parameter list. This routine is
317        presently contained in find_rho.F. This routine does not give the
318        correct density for 'POLY3', which would be a z-dependent reference
319        density.
320    o cleaned up find_rho
321      - removed obsolete 'eqn' from the parameter list.
322    o added two new verification experiments: gop and goz
323      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
324    checkpoint46g_pre
325    
326    checkpoint46f_post
327    o Enable tangent linear (forward mode) gradient checks:
328      - extended active file handling to g_... files
329      - added TANGENT_SIMULATION to theSimulationMode
330      - extended grdchk package accordingly
331    o added tangent linear setup in verification/carbon/code_ftl
332    o added adjoint setup in verification/front_relax/code_ad
333    
334    checkpoint46e_post
335    o Added new equation of state -> MDJWF
336      - EOS of McDougall et al., 2002, JAOT, submitted
337      - caveat: the equation of state is only valid for a smaller (more
338        realistic?) range of values than JMD95P/Z and UNESCO
339      - added masks to the calculation of pressure in store_pressure
340      - added more check values for density in check_eos (ini_eos.F), some of
341        the old check values are out of the range of the MDJWF-eos, so don't
342        expect perfect matches for those
343    checkpoint46e_pre
344    
345  checkpoint46d_post  checkpoint46d_post
346  o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and  o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
347    'OCEANICP', also initialised field pressure correctly in ini_eos in the    'OCEANICP', also initialised field pressure correctly in ini_eos in the
# Line 26  checkpoint46c_pre Line 365  checkpoint46c_pre
365    
366  checkpoint46b_post  checkpoint46b_post
367  o Added new equation of state -> JMD95Z and JMD95P  o Added new equation of state -> JMD95Z and JMD95P
368    - EOS of Jackett and McDougall, 1995, JPO    - EOS of Jackett and McDougall, 1995, JAOT
369    - moved all EOS parameters into EOS.h    - moved all EOS parameters into EOS.h
370    - new routines ini_eos.F, store_pressure.F    - new routines ini_eos.F, store_pressure.F
371  o Added UNESCO EOS, but not recommended because it requires  o Added UNESCO EOS, but not recommended because it requires

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