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revision 1.1537 by mlosch, Tue Nov 29 10:56:03 2011 UTC revision 1.1549 by jmc, Thu Dec 15 22:45:47 2011 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o model/src:
8      useRealFreshWaterFlux: remove masking of EmPmP (using maskInC) in
9      external_forcing_surf.F and apply mask directly in S/R SOLVE_FOR_PRESSURE.
10    o pkg/obcs:
11      modify Stevens boundary conditions so that S/R obcs_calc_stevens computes
12      tendency for temperature and salinity that is then applied to update
13      theta and salt in S/R obcs_apply_ts; this requires proper masking of all
14      horizontal advection and diffusion contributions on the boundary (in
15      S/Rs gad_advection, gad_calc_rhs, gmredi_rtransport, gmredi_calc_diff), and
16      removing the mask in S/R timestep_tracer. The advantage of this approach is
17      that the updated tracer values include contributions from the surface
18      forcing and vertical diffusion.
19      This modification changes exp4.stevens because of vertical diffusion.
20    o model/src:
21      change non-curvilinear grid setting to also work with exch2 + blank tiles:
22      - move delX,delY to new header file (SET_GRID.h) and adjust length to 1rst
23        face dimensions.
24      - new S/R INI_LOCAL_GRID to define model tile-local grid (using same units
25        as delX,delY) and called from S/R INI_CARTESIAN_GRID, INI_CYLINDER_GRID
26        and INI_SPHERICAL_POLAR_GRID.
27      change test-experiment global_ocean.90x40x15:
28      - split the domain in many more tiles (9x4 tiles of 10x10 each);
29      - switch to exch2 and remove 1 blank-tile (but only for MPI test).
30      - update results of both test (std & dwnslp).
31    o pkg/diagnostics/diagstat_calc.F: fix problem with non-initialised halos in
32       tmp-fields for TARGET_NEC_SX at the cost of extra loops and less vectorisation
33    o model/src:
34      - take sigma-coords related code out of update_etah.F into new S/R UPDATE_ETAWS
35        and fix initialisation when using sigma-coords.
36    o model/src:
37     - improve Gael's changes from Jan 14, 2011 "addition of an 'update' of hfacc etc.
38       to their current value at the beginning of forward_step.F": add a new run-time
39       switch "doResetHFactors" (default=false) and use it to do (or not) the resetting.
40     - set doResetHFactors=T in the following test exp:
41        global_ocean.90x40x15/input (rStar) & input.dwnslp (linFS),
42        global_ocean.cs32x15/input.seaice (rStar), hs94.cs-32x32x5/input.impIGW (linFS)
43        and tutorial_global_oce_in_p (nonLinFS in p)
44    o pkg/ecco
45      - added IES cost term
46    o verification/advect_xz
47      - scale down the depth by 1/100 (from 200 km to just 2.km)
48      - add secondary test using divergent flow, r-star and implicit vertical advection.
49      - add note (check_conserve_TS.txt) and matlab script to check global
50        conservation of T & S with NonLin-FreeSurf and Adams-Bashforth.
51    o pkg/rbcs:
52      - add missing relaxUFile & relaxVFile in namelist (in rbcs_readparms.F).
53    o pkg/obcs (Stevens BCs):
54      - fix various problems in the phase speed computations of the Stevens
55        boundary conditions:
56        - sign error for western and southern boundaries,
57        - time tendencies were underestimated by factor of dTracerLev and some just
58          zero (for multidim advection schemes) -> now estimate time tendencies
59          from difference between previous (n) time level and the one before (n-1);
60          this requires storing a field per tracer per boundary, also in the pickup
61          files.
62        - replace deltaTmom in cflMer/Zon computation with dTracerLev
63        - set default phase velocity to cflMer/Zon
64      - update verification experiment exp4.stevens
65    o pkg/generic_advdiff (implicit_r):
66      - fix implicit vertical advection conservation with AB and/or NonLin-FreeSurf
67        (remove Tr*d/dz(w) in gad_implicit_r.F and add it in gad_calc_rhs.F);
68      - fix implicit vertical diffusion or advection with NonLin FreeSurf
69        (was using current recip_hFacC instead of future recip_hFacC): set future
70        recip_hFac in thermodynamics.F and pass & use it in all vertical implicit
71        solver S/R ;
72      - fill diagnostics of vertical advective fluxes (computed from tendency)
73        when using implicit vert. advection;
74      - update output of exp that uses NonLin-FreeSurf & implicit vertical diffusion:
75         global_ocean.90x40x15 (fwd+AD), global_ocean.cs32x15 (4 fwd +4 AD),
76         tutorial_global_oce_in_p (fwd), tutorial_tracer_adjsens (AD)
77         and cpl_aim+ocn (used in ocean); to be fixed: bottom_ctrl_5x5.
78    o pkg/diagnostics:
79      - add diags for T & S tendency which goes through Adams-Bashforth.
80    
81    checkpoint63f (2011/11/30)
82  o pkg/obcs/obcs_calc_stevens.F:  o pkg/obcs/obcs_calc_stevens.F:
83      - join some loops to reduce number of if-statements
84    - fix a bug in code for northern and southern boundaries.    - fix a bug in code for northern and southern boundaries.
85  o pkg/seaice/seaice_init_varia.F  o pkg/seaice/seaice_init_varia.F
86    - undo resetting UVM=0 that has slipped in unnoticed in r1.49 and    - undo resetting UVM=0 that has slipped in unnoticed in r1.49 and
87      caused zero ice-velocities for the B-grid code      caused zero ice-velocities for the B-grid code
88  o pkg/seaice/seaice_init_fixed.F  o pkg/seaice/seaice_init_fixed.F
89    - fix a bug in the initialisation of the second metric terms    - fix a bug in the initialisation of the second metric terms
90      k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0.      k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0.
91    - this affects all seaice configurations with useCurviLinearGrid = .true.    - this affects all seaice configurations with useCurviLinearGrid = .true.
92      and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms      and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms
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