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revision 1.998 by gforget, Fri May 30 02:53:14 2008 UTC revision 1.1032 by jmc, Wed Oct 22 00:19:33 2008 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o gmredi (Visbeck-variable-K):
8      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
9      - change computation of Visbeck-K where Slope > Smax :        
10        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
11        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
12    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
13      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
14    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
15    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
16      does not become too large (to avoid precision problems in implicit-diffusion
17      solver); update ideal_2D_oce output.
18    o pkg ggl90:
19      - in ggl90_cal.F: compute only one set of visc/diff, used to
20        step forward TKE/T/S/momentum
21      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
22        have Prandlt =1)
23    o gmredi (fm07):
24      - add lower limit on Transition layer thickness + lower limit on 1/lambda
25      - allow to set few more params from data.gmredi
26    o pkg ggl90:
27          - add missing sqrt(2) factor in computation of mixing length
28            scale in ggl90_calc.F
29            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
30    
31    checkpoint61d
32    o adjoint modifs
33      - adapt to new field rhoInSitu
34      - allow to revert from StoreDynVars2D, StoreDynVars3D
35        to individual fields
36        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
37    o store 3-D (in-situ) density in commom block (DYNVARS.h)
38     - save 1 rho computation.
39     - no longer modify T & S inland when using down_slope pkg.
40    o gad_som : allow to switch to SOM advection for T & S without corresponding
41      pickup files (using new S/R: MDS_CHECK4FILE).
42    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
43      (for useSingleCpuIO to work in multi-threaded)
44    o pkg/shelfice:
45     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
46       with SHELFICEtopoFile in data.shelfice
47     - move code for reading ice shelf topography and modifying hFacC into separate
48       subroutines of the shelfice package
49     - separate initialisation of "fixed" and "variable" variables
50     - kTopC is not (yet) replaced by kSurfC, although this is possible
51    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
52    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
53      and rename:
54      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
55      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
56    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
57    
58    checkpoint61c
59    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
60      to add mass source/sink of fluid in the interior (3-D generalisation
61      of oceanic real-fresh water flux).
62    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
63    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
64    o new pkg: down_slope
65      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
66      - presently, modify T & S inland (dwnslp_calc_rho.F).
67        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
68      - implementation for ocean in P-coords not tested.
69      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
70    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
71      (to facilitate conversion of oceanic pkg to p-coordinate).
72    o change FIND_RHO to FIND_RHO_2D :
73      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
74    o new pkg: cheapaml
75    
76    checkpoint61b
77    o exch2:
78      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
79      - no longer depend on the order sequence (N,S,E,W).
80      - 3rd exchange no longer needed (tested with 24 tiles).
81      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
82      - exch_UV_A-grid readily available (but not yet tested).
83      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
84      (both are no longer needed) in exch_uv: no effect in forward run; but
85       get truncation error differences with adjoint exch.
86    o exch2:
87     - change index-bounds storage (moved from target to local tile,
88       more intuitive this way) ; rename/remove some variables.
89     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
90    
91    checkpoint61a
92    o exch2/matlab-topology-generator:
93      fix bug in index bounds for N-S internal exchange (hard to tell if this
94      had any effect on the solution).
95    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
96      is exceeded
97    o testreport: modify syntax of awk, so that it works also with
98      awk, and not only with nawk and gawk
99    
100    checkpoint61
101    o autodiff
102      Change default for TAF usage by removing argument '-nonew_arg'
103      This changes TAF subroutine argument list (ordering of active var.)
104      Omission of this flag leads to incompatibility w.r.t. TAMC
105      To restore TAMC-compatibility, need following modifs:
106      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
107      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
108      Tested TAF version is 1.9.22
109      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
110    
111    checkpoint60
112    --->>> This is the last checkpoint for which generating the adjoint
113    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
114    --->>> by default.
115    --->>> Future checkpoints will ommit this flag by default.
116    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
117    o pkg/grdchk: Add gradient check to etan0 perturbations.
118    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
119    o pkg/autodiff: more flexibility in zeroadj.
120      model/src: modifying do_oceanic_phys.F accordingly.
121    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
122    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
123      special setup of gmredi for which the adjoint is stable
124      enough for parameter optimization.
125  o bridging the gap between eddy stress and GM.  o bridging the gap between eddy stress and GM.
126    -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)    -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
127        along with a change in CPP option (now ALLOW_EDDYPSI).        along with a change in CPP option (now ALLOW_EDDYPSI).
# Line 14  o bridging the gap between eddy stress a Line 132  o bridging the gap between eddy stress a
132    -> ALLOW_EDDYPSI_CONTROL for estimation purpose.    -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
133    The key modifications are in model/src/taueddy_external_forcing.F    The key modifications are in model/src/taueddy_external_forcing.F
134    pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F    pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
135    
136  checkpoint59r  checkpoint59r
137  o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array  o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
138    from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);    from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
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