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revision 1.1002 by gforget, Wed Jun 11 19:32:27 2008 UTC revision 1.1036 by jmc, Mon Oct 27 20:15:21 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 fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
8      (#undef REAL4_IS_SLOW)
9     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
10       coordinate variable
11     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
12       (surface forcing fields), removes some of the functionality
13     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
14     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
15       probably not all: copy _RS surface flux fields to RL field before
16       calling DIAGNOSTICS_FILL
17     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
18       real*4 (CALL EXCH_*_RS) versions.
19     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
20       (generate new output).
21    
22    checkpoint61e
23    o gmredi (Visbeck-variable-K):
24      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
25      - change computation of Visbeck-K where Slope > Smax :        
26        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
27        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
28    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
29      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
30    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
31    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
32      does not become too large (to avoid precision problems in implicit-diffusion
33      solver); update ideal_2D_oce output.
34    o pkg ggl90:
35      - in ggl90_cal.F: compute only one set of visc/diff, used to
36        step forward TKE/T/S/momentum
37      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
38        have Prandlt =1)
39    o gmredi (fm07):
40      - add lower limit on Transition layer thickness + lower limit on 1/lambda
41      - allow to set few more params from data.gmredi
42    o pkg ggl90:
43          - add missing sqrt(2) factor in computation of mixing length
44            scale in ggl90_calc.F
45            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
46    
47    checkpoint61d
48    o adjoint modifs
49      - adapt to new field rhoInSitu
50      - allow to revert from StoreDynVars2D, StoreDynVars3D
51        to individual fields
52        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
53    o store 3-D (in-situ) density in commom block (DYNVARS.h)
54     - save 1 rho computation.
55     - no longer modify T & S inland when using down_slope pkg.
56    o gad_som : allow to switch to SOM advection for T & S without corresponding
57      pickup files (using new S/R: MDS_CHECK4FILE).
58    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
59      (for useSingleCpuIO to work in multi-threaded)
60    o pkg/shelfice:
61     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
62       with SHELFICEtopoFile in data.shelfice
63     - move code for reading ice shelf topography and modifying hFacC into separate
64       subroutines of the shelfice package
65     - separate initialisation of "fixed" and "variable" variables
66     - kTopC is not (yet) replaced by kSurfC, although this is possible
67    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
68    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
69      and rename:
70      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
71      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
72    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
73    
74    checkpoint61c
75    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
76      to add mass source/sink of fluid in the interior (3-D generalisation
77      of oceanic real-fresh water flux).
78    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
79    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
80    o new pkg: down_slope
81      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
82      - presently, modify T & S inland (dwnslp_calc_rho.F).
83        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
84      - implementation for ocean in P-coords not tested.
85      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
86    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
87      (to facilitate conversion of oceanic pkg to p-coordinate).
88    o change FIND_RHO to FIND_RHO_2D :
89      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
90    o new pkg: cheapaml
91    
92    checkpoint61b
93    o exch2:
94      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
95      - no longer depend on the order sequence (N,S,E,W).
96      - 3rd exchange no longer needed (tested with 24 tiles).
97      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
98      - exch_UV_A-grid readily available (but not yet tested).
99      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
100      (both are no longer needed) in exch_uv: no effect in forward run; but
101       get truncation error differences with adjoint exch.
102    o exch2:
103     - change index-bounds storage (moved from target to local tile,
104       more intuitive this way) ; rename/remove some variables.
105     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
106    
107    checkpoint61a
108    o exch2/matlab-topology-generator:
109      fix bug in index bounds for N-S internal exchange (hard to tell if this
110      had any effect on the solution).
111    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
112      is exceeded
113    o testreport: modify syntax of awk, so that it works also with
114      awk, and not only with nawk and gawk
115    
116    checkpoint61
117    o autodiff
118      Change default for TAF usage by removing argument '-nonew_arg'
119      This changes TAF subroutine argument list (ordering of active var.)
120      Omission of this flag leads to incompatibility w.r.t. TAMC
121      To restore TAMC-compatibility, need following modifs:
122      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
123      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
124      Tested TAF version is 1.9.22
125      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
126    
127    checkpoint60
128    --->>> This is the last checkpoint for which generating the adjoint
129    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
130    --->>> by default.
131    --->>> Future checkpoints will ommit this flag by default.
132    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
133  o pkg/grdchk: Add gradient check to etan0 perturbations.  o pkg/grdchk: Add gradient check to etan0 perturbations.
134  o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).  o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
135  o pkg/autodiff: more flexibility in zeroadj.  o pkg/autodiff: more flexibility in zeroadj.
# Line 22  o bridging the gap between eddy stress a Line 148  o bridging the gap between eddy stress a
148    -> ALLOW_EDDYPSI_CONTROL for estimation purpose.    -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
149    The key modifications are in model/src/taueddy_external_forcing.F    The key modifications are in model/src/taueddy_external_forcing.F
150    pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F    pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
151    
152  checkpoint59r  checkpoint59r
153  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
154    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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