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revision 1.87 by mlosch, Wed Sep 25 19:36:50 2002 UTC revision 1.132 by jmc, Tue Feb 11 04:32:12 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
7    o dynamics: change definition of computational domain & adapt mom_fluxform
8      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
9    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
10        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
11        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5
12        global_ocean.90x40x15 global_with_exf global_ocean_pressure
13        inverted_barometer solid-body.cs-32x32x1
14      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
15    
16    checkpoint48d_post
17    o in preparation for r*:
18     a) use pre-computed gradient of hydrostatic potential:
19        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
20     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
21        => affects results of glob_oce_pressure (different truncation error)  
22      update output.txt of ideal_2D_oce & global_ocean_pressure
23    
24    checkpoint48d_pre
25    o in preparation for r*:
26      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
27      pass the 2 comp. of the grad. as arguments to momentum S/R.
28      but for the moment, only used if it does not change the results.
29    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
30    
31    checkpoint48c_post
32    Modifications in treatment of initial flux forcing controls
33    to avoid extra storing of flux fields.
34    
35    checkpoint48c_pre
36    o Added tidal_basin_2d experiment (currently 1D!)
37    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
38    
39    checkpoint48b_post
40    o r* coordinate added in #ifdef NONLIN_FRSURF block.
41     (modification to pressure gradient not yet implemented)
42    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
43      (for U & V) that are used for vertical advection of momentum.
44    
45    checkpoint48a_post
46    o In preparation for r*, use temp. array to compute vertical transport
47       in flux-form momentum pkg. => change results of few test-exp.
48      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
49                        lab_sea, natl_box & plume_on_slope
50    
51    checkpoint48
52    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
53    
54    checkpoint47j_post
55    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
56    o moved adexch from forward_step to addummy_in_stepping
57    o added exch in ctrl_map_...
58    o aveFreq.=0. at end of cost_final to avoid overwrite in
59      reverse checkpointing loop
60    o Yet more changes in gmredi:
61      * adgmredi_calc_tensor
62        avoiding all recomputation of gmredi_slope_limit
63      * adgmredi_x/y/rtransport
64        added flag for excessive storing to avoid recomp. of
65        u/v/rtans, dTdx/y/z
66        -> this is not really necessary and very memory-consuming
67      * adgmredi_slope_psi:
68        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
69      * gmredi_slope_limit
70        re-activated full calculation of taperfct for case 'ac02'
71    o updating verification/ adjoints of carbon, global_ocean.90x40x15
72    
73    checkpoint47i_post
74    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
75    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
76      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
77    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
78    o gmredi: fix few bugs.
79    
80    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
81    This will be a good checkpoint to plug into the ecco-branch.
82    o few modif.'s to get latest version adjointed
83      (mainly kick out code in ini_linear_phisurf)
84    o modif's to run adjoint with exactConserv
85    o case GM_BOLUS_ADVEC should be cleaned
86      S/R gmredi_slope_psi should be cleaned
87    o verification/carbon now has exactConserv=.TRUE.
88    
89    checkpoint47g_post
90    o time-average AIM output: becomes independent from statvars time-average
91      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
92    o After TAF bug fix:
93      Tested adjoint of gmredi package.
94      Tests were done with checkpoint47 rather than with latest
95      checkpoint47f_post since the latter is broken for the adjoint
96      verification/carbon/ contains both ADM and TLM gradient checks.
97    Here they are, before they get changed/lost/stolen.
98    Mostly modif.'s to fix numerical sensitivities.
99    Gradient checks OK for
100    - GM_taper_scheme:
101      * clipping
102      * ac02
103      * linear
104      * glw91
105      * dm95
106      * ldd97
107    - GMREDI_OPTIONS:
108      * GM_VISBECK_VARIABLE_K
109      * GM_NON_UNITY_DIAGONAL
110      * GM_EXTRA_DIAGONAL
111      * GM_BOLUS_ADVEC
112    in conjunction with data.gmredi parameters to be checked in
113    in a few minutes under verification/carbon/code/
114    
115    checkpoint47f_post
116    Merging from release1_p10:
117    o modifications for using pkg/exf with pkg/seaice
118      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
119        and SEAICE_EXTERNAL_FLUXES
120      - pkg/exf CPP options EXF_READ_EVAP and
121        EXF_NO_BULK_COMPUTATIONS
122      - usage examples are Experiments 8 and 9 in
123        verification/lab_sea/README
124      - verification/lab_sea default experiment now uses
125        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
126    
127    checkpoint47e_post
128    o created a tag prior to creating a branch
129    
130    checkpoint47d_post
131    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
132      at the bottom boundary had an erroneous half slip boundary condition
133    o added bottom drag and no slip boundary condition capabilities to
134      oceanic pressure coordinates code
135    o added new verification experiment global_ocean_pressure, this experiment is
136      also described in the tutorial section of the manual
137    checkpoint47d_pre
138    
139    checkpoint47c_post
140    o Added a verification experiment for a global cubed-sphere ocean run
141      -  verification/global_ocean.cubed32x32x30
142      -  uses pkg/therm_seaice and pkg/bulk_forcing
143    
144    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
145    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
146      when using P-coordinate; only implemented for atmospheric config.
147    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
148      NOTES: requires option NONLIN_FRSURF to be "#define".
149    o update advect_xz/results/output.txt (left from checkpoint44g_post)
150    
151    checkpoint47b_post
152    Merging from release1_p9:
153    o pkg/seaice
154      - removed GOTO's and added taf directives
155      - double precision constants to reduce the g77 (Linux)
156        to F77 (SGI) differences reported in release1_p8
157    o tools/genmake
158      - added SGI options
159    o verification/testscript
160      - updated to that of checkpoint47a_post
161    o verification/global_ocean.90x40x15/input/eedata
162      - modified for SGI f77 compatibility
163    o verification/lab_sea
164      - added description of sea-ice model
165      - added missing matlab routines
166      - added test of thermodynamics parallelization
167    
168    checkpoint47a_post
169    o new pkg: aim_v23
170     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
171       for now, keep the same surface forcing as before.
172     - Part-Cell implemented into AIM; check that Heat & Water are conserved
173     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
174     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
175    o add diagnostic of surface correction term in monitor output
176    
177    o bulk_force and therm_seaice
178    - Two packages:  bulk_force (Bulk forcing)
179      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
180    - Earlier integration from Stephaine Dutkiewicz
181      and Patrick Heimbach.
182    - Two ifdef statements for compile time,
183       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
184    
185    checkpoint47
186    differentiable version of checkpoint46n_post
187    o bug fix in quasihydrostaticterms
188    o * "clean" adjoint code (in terms of extensive recomputations)
189        can now be obtained for all GMREDI options (i.e. for
190        - GM_VISBECK_VARIABLE_K
191        - GM_NON_UNITY_DIAGONAL
192        - GM_EXTRA_DIAGONAL
193        - GM_BOLUS_ADVEC )
194      * However, wrong gradient check problem remains unsolved.
195      * New CPP options have been introduced for different
196        tapering schemes
197    o external_fields_load now part of differentiation list
198    o pressure needs multiple storing;
199      would be nice to have store_pressure at beginning or
200      end of forward_step, e.g. by having phiHyd global (5-dim.)
201      (NB: pressure is needed for certain cases in find_rho,
202      which is also invoked through convective_adjustment).
203    o recomputations in find_rho for cases
204     'JMD95'/'UNESCO' or 'MDJWF' are OK.
205    o #define ATMOSPHERIC_LOADING should be differentiable
206    o ini_forcing shifted to begining of initialise_varia
207    o Incorporating QNVS line search routines into MITgcm
208      (this is separate code, and therefore not under pkg)
209      lsopt/, optim/
210    o Updated verification/carbon/
211      - #define GM_VISBECK_VARIABLE_K
212      - GM_taper_scheme    = 'ldd97'    
213    
214    checkpoint46n_post
215    Merging from release1_p8:
216    o verification/natl_box:
217      updating new external_fields_load routine
218    o New package: pkg/seaice
219      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
220      The sea-ice code is based on Hibler (1979-1980).
221      Two sea-ice dynamic solvers, ADI and LSR, are included.
222      In addition to computing prognostic sea-ice variables and diagnosing
223      the forcing/external data fields that drive the ocean model,
224      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
225      The implied surface heat flux is then stored in variable
226      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
227      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
228      non-local transport term.  Because this call precedes model
229      thermodynamics, temperature under sea-ice may not be "exactly" at
230      the freezing point by the time theta is dumped or time-averaged.
231      N.B.: fairly large differences in accuracy occur across
232            different platforms/compilers; comparison between
233            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
234            generated output gives:
235       T           S           U           V
236      C D M    c        m  s        m  s        m  s        m  s
237      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
238      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
239      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
240    
241      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
242    o GAD:
243      - generated new common blocks to account for call of
244        same gad routines with differing traceridentities
245        (needed to modify tracerIdentity indices in GAD.h)
246      - generated separate common blocks for case useCubedSphereExchange
247        (Department of Futurology)
248      - parameter lists to gmredi_?transport: added tracerIdentity
249      - added new key indices to tamc.h
250    o external_fields_load:
251      - added this routine to TAF list
252      - needed to make some common blocks global and additional storing
253        along the same lines as exf package (checkpoint_lev?_directives.h)
254    o exf:
255      updated external forcing package
256      - bug fixes carried over from ecco-branch
257        (missing OBCS_OPTIONS.h in two routines)
258      - enable easy to use "no forcing".
259      - added exf I/O for atmospheric loading
260      - added exf I/O for runoff data
261      - transfered scaling between exf <-> MITgcm to exf namelist
262    o Adding new verification experiment global_with_exf.
263      This verification experiment is almost identical to the
264      global_ocean.90x40x15 experiment, except that it uses
265      the exf (and cal) package instead of the
266      external_fields_load routine (cf README file).
267    
268    checkpoint46m_post
269    o modified testscript to return -- when there are no lines of "%MON" output
270    o added new flag "quasiHydrostatic" for QH mode
271      and new routine quasihydrostaticterms()
272    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
273      New routine: mom_u_coriolis_nh()
274    o fixed sign of non-hydrostatic metric terms in u and v equations.
275      Depend on correct sign of gravitySign.
276    o added work.pc* to .cvsignore in aim directories using ifc
277    o introduced flag for controllin non-hydrostatic metric terms
278    o removed gravitySign from PARM04
279    o switched to g77/ifc from pgf77 in aim experiments
280    
281    checkpoint46l_post
282    o made convective adjustment work with pressure coordinates:
283     - changed the direction of k-loop in convective_adjustment.F for the
284       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
285     - adjusted the reference pressure k-index in convective_adjustment.F
286     - adjusted the convection condition in convect.F (in analogy to
287       calc_ivdc.F)
288     - convective_adjustment no longer computes anything on the halos
289     - removed the warnings about negative salinity from find_rho.F and
290       find_alpha.F; instead the new routine look_for_neg_salinity, called
291       at the beginning of find_rho, find_alpha, and find_beta, does a
292       check of the entire slice, if CPP-option
293       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
294    checkpoint46l_pre
295    
296    checkpoint46k_post
297    o fixed the verification/global_ocean.90x40x15 experiment:
298     - new bathymetry (the world according to A., JMC, and M.)
299     - new initial fields and forcing fields (*.bin files)
300     - new POLY3.COEFFS (for the next release one should switch to a full
301       equation of state: JMD95P or MDJWF)
302     - fixed several errors and redundancies in the data file
303     - experiment uses looped cells
304     - added matlab directory with diagnostic scripts for plotting of output
305    
306    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
307     - read AIM physics parameters from a file (data.aimphys)
308     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
309    
310    checkpoint46j_post
311    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
312    o move wVel computation at the end of the time step, in S/R integr_continuity
313    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
314    o update timeave pkg for wVel diagnostic.
315    checkpoint46j_pre
316    
317    checkpoint46i_post
318    o Clean up AIM package (and keep the results unchanged):
319      include CPP_OPTION and use IMPLICT NONE in all routines ;
320      declare all the variables _RL ; use _d 0 for all numerical constants.
321      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
322    
323  checkpoint46h_post  checkpoint46h_post
324  o cleaned up the use of rhoNil and rhoConst.  o cleaned up the use of rhoNil and rhoConst.

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