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revision 1.89 by jmc, Mon Oct 7 16:35:31 2002 UTC revision 1.140 by heimbach, Fri Feb 28 02:09:29 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint48h_post
7    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
8    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
9    o Added SEAICE_initialHEFF to pkg/seaice
10    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
11    
12    checkpoint48g_post
13    --- EOS:
14    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
15      store total Potential in totPhyHyd for diagnostics & EOS.
16    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
17    --- Pressure/geopotential gradient:
18    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
19    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
20      ( changes results of global_ocean_pressure )
21    o NLFS + z-coord.: add eta*Rho' contribution.
22    o accurate phiHyd when using interface-W at the middle between 2 centers
23     ( changes results of ideal_2D_oce )
24    o includes r* 2nd term in potential gradient.
25    
26    checkpoint48f_post
27    Merging from release1_p12:
28    o Modifications for using pkg/exf with pkg/seaice
29      - improved description of the various forcing configurations
30      - added basic radiation bulk formulae to pkg/exf
31      - units/sign fix for evap computation in exf_getffields.F
32      - updated verification/global_with_exf/results/output.txt
33    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
34      (SBO) core products, including oceanic mass, center-of-mass,
35      angular, and bottom pressure (see pkg/sbo/README.sbo).
36    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
37      to avoid negative values in shallow regions.
38      - updated verification/natl_box/results/output.txt
39      - updated verification/lab_sea/results/output.txt
40    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
41    o Added useSingleCpuIO option (see PARAMS.h).
42    o Updated useSingleCpuIO option in mdsio_writefield.F to
43      work with multi-field files, e.g., for single-file pickup.
44    o pkg/seaice:
45      - bug fix in growth.F: QNET for no shortwave case
46      - added HeffFile for specifying initial sea-ice thickness
47      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
48    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
49      kpp_transport_t.F, forward_step.F, and the_main_loop.F
50    o pkg/seaice:
51      - adjoint-friendly modifications
52      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
53    
54    checkpoint48e_post
55    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
56    o dynamics: change definition of computational domain & adapt mom_fluxform
57      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
58    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
59        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
60        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
61        global_ocean.90x40x15 global_with_exf global_ocean_pressure
62        inverted_barometer solid-body.cs-32x32x1
63      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
64    
65    checkpoint48d_post
66    o in preparation for r*:
67     a) use pre-computed gradient of hydrostatic potential:
68        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
69     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
70        => affects results of glob_oce_pressure (different truncation error)  
71      update output.txt of ideal_2D_oce & global_ocean_pressure
72    
73    checkpoint48d_pre
74    o in preparation for r*:
75      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
76      pass the 2 comp. of the grad. as arguments to momentum S/R.
77      but for the moment, only used if it does not change the results.
78    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
79    
80    checkpoint48c_post
81    Modifications in treatment of initial flux forcing controls
82    to avoid extra storing of flux fields.
83    
84    checkpoint48c_pre
85    o Added tidal_basin_2d experiment (currently 1D!)
86    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
87    
88    checkpoint48b_post
89    o r* coordinate added in #ifdef NONLIN_FRSURF block.
90     (modification to pressure gradient not yet implemented)
91    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
92      (for U & V) that are used for vertical advection of momentum.
93    
94    checkpoint48a_post
95    o In preparation for r*, use temp. array to compute vertical transport
96       in flux-form momentum pkg. => change results of few test-exp.
97      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
98                        lab_sea, natl_box & plume_on_slope
99    
100    checkpoint48
101    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
102    
103    checkpoint47j_post
104    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
105    o moved adexch from forward_step to addummy_in_stepping
106    o added exch in ctrl_map_...
107    o aveFreq.=0. at end of cost_final to avoid overwrite in
108      reverse checkpointing loop
109    o Yet more changes in gmredi:
110      * adgmredi_calc_tensor
111        avoiding all recomputation of gmredi_slope_limit
112      * adgmredi_x/y/rtransport
113        added flag for excessive storing to avoid recomp. of
114        u/v/rtans, dTdx/y/z
115        -> this is not really necessary and very memory-consuming
116      * adgmredi_slope_psi:
117        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
118      * gmredi_slope_limit
119        re-activated full calculation of taperfct for case 'ac02'
120    o updating verification/ adjoints of carbon, global_ocean.90x40x15
121    
122    checkpoint47i_post
123    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
124    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
125      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
126    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
127    o gmredi: fix few bugs.
128    
129    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
130    This will be a good checkpoint to plug into the ecco-branch.
131    o few modif.'s to get latest version adjointed
132      (mainly kick out code in ini_linear_phisurf)
133    o modif's to run adjoint with exactConserv
134    o case GM_BOLUS_ADVEC should be cleaned
135      S/R gmredi_slope_psi should be cleaned
136    o verification/carbon now has exactConserv=.TRUE.
137    
138    checkpoint47g_post
139    o time-average AIM output: becomes independent from statvars time-average
140      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
141    o After TAF bug fix:
142      Tested adjoint of gmredi package.
143      Tests were done with checkpoint47 rather than with latest
144      checkpoint47f_post since the latter is broken for the adjoint
145      verification/carbon/ contains both ADM and TLM gradient checks.
146    Here they are, before they get changed/lost/stolen.
147    Mostly modif.'s to fix numerical sensitivities.
148    Gradient checks OK for
149    - GM_taper_scheme:
150      * clipping
151      * ac02
152      * linear
153      * glw91
154      * dm95
155      * ldd97
156    - GMREDI_OPTIONS:
157      * GM_VISBECK_VARIABLE_K
158      * GM_NON_UNITY_DIAGONAL
159      * GM_EXTRA_DIAGONAL
160      * GM_BOLUS_ADVEC
161    in conjunction with data.gmredi parameters to be checked in
162    in a few minutes under verification/carbon/code/
163    
164    checkpoint47f_post
165    Merging from release1_p10:
166    o modifications for using pkg/exf with pkg/seaice
167      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
168        and SEAICE_EXTERNAL_FLUXES
169      - pkg/exf CPP options EXF_READ_EVAP and
170        EXF_NO_BULK_COMPUTATIONS
171      - usage examples are Experiments 8 and 9 in
172        verification/lab_sea/README
173      - verification/lab_sea default experiment now uses
174        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
175    
176    checkpoint47e_post
177    o created a tag prior to creating a branch
178    
179    checkpoint47d_post
180    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
181      at the bottom boundary had an erroneous half slip boundary condition
182    o added bottom drag and no slip boundary condition capabilities to
183      oceanic pressure coordinates code
184    o added new verification experiment global_ocean_pressure, this experiment is
185      also described in the tutorial section of the manual
186    checkpoint47d_pre
187    
188    checkpoint47c_post
189    o Added a verification experiment for a global cubed-sphere ocean run
190      -  verification/global_ocean.cubed32x32x30
191      -  uses pkg/therm_seaice and pkg/bulk_forcing
192    
193    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
194    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
195      when using P-coordinate; only implemented for atmospheric config.
196    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
197      NOTES: requires option NONLIN_FRSURF to be "#define".
198    o update advect_xz/results/output.txt (left from checkpoint44g_post)
199    
200    checkpoint47b_post
201    Merging from release1_p9:
202    o pkg/seaice
203      - removed GOTO's and added taf directives
204      - double precision constants to reduce the g77 (Linux)
205        to F77 (SGI) differences reported in release1_p8
206    o tools/genmake
207      - added SGI options
208    o verification/testscript
209      - updated to that of checkpoint47a_post
210    o verification/global_ocean.90x40x15/input/eedata
211      - modified for SGI f77 compatibility
212    o verification/lab_sea
213      - added description of sea-ice model
214      - added missing matlab routines
215      - added test of thermodynamics parallelization
216    
217    checkpoint47a_post
218    o new pkg: aim_v23
219     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
220       for now, keep the same surface forcing as before.
221     - Part-Cell implemented into AIM; check that Heat & Water are conserved
222     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
223     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
224    o add diagnostic of surface correction term in monitor output
225    
226    o bulk_force and therm_seaice
227    - Two packages:  bulk_force (Bulk forcing)
228      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
229    - Earlier integration from Stephaine Dutkiewicz
230      and Patrick Heimbach.
231    - Two ifdef statements for compile time,
232       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
233    
234    checkpoint47
235    differentiable version of checkpoint46n_post
236    o bug fix in quasihydrostaticterms
237    o * "clean" adjoint code (in terms of extensive recomputations)
238        can now be obtained for all GMREDI options (i.e. for
239        - GM_VISBECK_VARIABLE_K
240        - GM_NON_UNITY_DIAGONAL
241        - GM_EXTRA_DIAGONAL
242        - GM_BOLUS_ADVEC )
243      * However, wrong gradient check problem remains unsolved.
244      * New CPP options have been introduced for different
245        tapering schemes
246    o external_fields_load now part of differentiation list
247    o pressure needs multiple storing;
248      would be nice to have store_pressure at beginning or
249      end of forward_step, e.g. by having phiHyd global (5-dim.)
250      (NB: pressure is needed for certain cases in find_rho,
251      which is also invoked through convective_adjustment).
252    o recomputations in find_rho for cases
253     'JMD95'/'UNESCO' or 'MDJWF' are OK.
254    o #define ATMOSPHERIC_LOADING should be differentiable
255    o ini_forcing shifted to begining of initialise_varia
256    o Incorporating QNVS line search routines into MITgcm
257      (this is separate code, and therefore not under pkg)
258      lsopt/, optim/
259    o Updated verification/carbon/
260      - #define GM_VISBECK_VARIABLE_K
261      - GM_taper_scheme    = 'ldd97'    
262    
263    checkpoint46n_post
264    Merging from release1_p8:
265    o verification/natl_box:
266      updating new external_fields_load routine
267    o New package: pkg/seaice
268      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
269      The sea-ice code is based on Hibler (1979-1980).
270      Two sea-ice dynamic solvers, ADI and LSR, are included.
271      In addition to computing prognostic sea-ice variables and diagnosing
272      the forcing/external data fields that drive the ocean model,
273      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
274      The implied surface heat flux is then stored in variable
275      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
276      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
277      non-local transport term.  Because this call precedes model
278      thermodynamics, temperature under sea-ice may not be "exactly" at
279      the freezing point by the time theta is dumped or time-averaged.
280      N.B.: fairly large differences in accuracy occur across
281            different platforms/compilers; comparison between
282            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
283            generated output gives:
284       T           S           U           V
285      C D M    c        m  s        m  s        m  s        m  s
286      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
287      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
288      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
289    
290      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
291    o GAD:
292      - generated new common blocks to account for call of
293        same gad routines with differing traceridentities
294        (needed to modify tracerIdentity indices in GAD.h)
295      - generated separate common blocks for case useCubedSphereExchange
296        (Department of Futurology)
297      - parameter lists to gmredi_?transport: added tracerIdentity
298      - added new key indices to tamc.h
299    o external_fields_load:
300      - added this routine to TAF list
301      - needed to make some common blocks global and additional storing
302        along the same lines as exf package (checkpoint_lev?_directives.h)
303    o exf:
304      updated external forcing package
305      - bug fixes carried over from ecco-branch
306        (missing OBCS_OPTIONS.h in two routines)
307      - enable easy to use "no forcing".
308      - added exf I/O for atmospheric loading
309      - added exf I/O for runoff data
310      - transfered scaling between exf <-> MITgcm to exf namelist
311    o Adding new verification experiment global_with_exf.
312      This verification experiment is almost identical to the
313      global_ocean.90x40x15 experiment, except that it uses
314      the exf (and cal) package instead of the
315      external_fields_load routine (cf README file).
316    
317    checkpoint46m_post
318    o modified testscript to return -- when there are no lines of "%MON" output
319    o added new flag "quasiHydrostatic" for QH mode
320      and new routine quasihydrostaticterms()
321    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
322      New routine: mom_u_coriolis_nh()
323    o fixed sign of non-hydrostatic metric terms in u and v equations.
324      Depend on correct sign of gravitySign.
325    o added work.pc* to .cvsignore in aim directories using ifc
326    o introduced flag for controllin non-hydrostatic metric terms
327    o removed gravitySign from PARM04
328    o switched to g77/ifc from pgf77 in aim experiments
329    
330    checkpoint46l_post
331    o made convective adjustment work with pressure coordinates:
332     - changed the direction of k-loop in convective_adjustment.F for the
333       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
334     - adjusted the reference pressure k-index in convective_adjustment.F
335     - adjusted the convection condition in convect.F (in analogy to
336       calc_ivdc.F)
337     - convective_adjustment no longer computes anything on the halos
338     - removed the warnings about negative salinity from find_rho.F and
339       find_alpha.F; instead the new routine look_for_neg_salinity, called
340       at the beginning of find_rho, find_alpha, and find_beta, does a
341       check of the entire slice, if CPP-option
342       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
343    checkpoint46l_pre
344    
345    checkpoint46k_post
346    o fixed the verification/global_ocean.90x40x15 experiment:
347     - new bathymetry (the world according to A., JMC, and M.)
348     - new initial fields and forcing fields (*.bin files)
349     - new POLY3.COEFFS (for the next release one should switch to a full
350       equation of state: JMD95P or MDJWF)
351     - fixed several errors and redundancies in the data file
352     - experiment uses looped cells
353     - added matlab directory with diagnostic scripts for plotting of output
354    
355    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
356     - read AIM physics parameters from a file (data.aimphys)
357     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
358    
359  checkpoint46j_post  checkpoint46j_post
360  o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH  o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
361  o move wVel computation at the end of the time step, in S/R integr_continuity  o move wVel computation at the end of the time step, in S/R integr_continuity

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