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revision 1.1977 by atn, Mon Apr 7 18:41:13 2014 UTC revision 1.1994 by mlosch, Mon May 12 14:15:52 2014 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/seaice/seaice_do_ridging.F: clean up the insectarium
8      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
9      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
10      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
11      - add some debugging information and error messages (warnings)
12    o model/src: modifications relatd to atmosphere p*:
13      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
14      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
15        of vertical profile tRef in geopotential background and anomaly.
16      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
17        and pkg/atm_phys.
18      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
19        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
20    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
21    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
22        not used right now, but can be used in BGC packages to fix conservation.
23    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
24        other packages too.
25    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
26        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
27    o model/src:
28      - since we have several heat capacity (even in model/src), define "recip_Cp"
29        as local variable (no longer in common block) to avoid any confusion.
30      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
31    o pkg/exf:
32      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
33        air density as function of air Temp, Humidity and atm pressure.
34    
35    checkpoint64w (2014/05/02)
36    o verification:
37      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
38        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
39        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
40        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
41        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
42    o model/src: for atmosphere in p* coords:
43      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
44      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
45        but not yet activated.
46    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
47      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
48      - this changes the results (but not for any verification experiment, because
49        none tests this), but avoids having an extra field in the restart files
50    o pkg/seaice: remove global variable TICE (not needed)
51      - replace by TICES or local variable where necessary (cost_seaice_test,
52        seaice_diagnostics_state)
53      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
54      - use specific read/write routines for reading and writing individual leves
55        of a multilevel field
56    o pkg/ctrl & model/inc:
57      - move additional anomaly fields of control vars (related to options:
58         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
59        from DYNVARS.h into new header file: CTRL_FIELDS.h
60    o pkg/seaice: some small modifications to the ridging code
61      - make fw2ObyRidge a global variable and add the freshwater flux to
62        seaice_growth
63      - pass actual thickness from seaice_prepare_ridging, so that it is
64        computed only in one place and compute it in the same way as in
65        seaice_growth
66      - initialise more fields in seaice_do_ridging that where cause floating
67        point exceptions over land
68    o pkg/seaice: preparations for ridging code and first real ridging code
69      - move most of "PART 1" of S/R seaice_growth into a new and separate
70        S/R seaice_reg_ridge that will both regularize the state variable after
71        advection call the actual ridging routine;
72      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
73        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
74      - remove ridging code from seaice_advdiff
75      - clean up remaining part 1 of seaice_growth in an attempt to make it
76        more readable (this is probably subjective)
77      - call seaice_itd_redist once in the initialisation phase to have the initial
78        conditions in the correct category
79      - finally: add new ridging routine for ITD code
80    
81    checkpoint64v (2014/04/11)
82  o pkg/ecco:  o pkg/ecco:
83    - add runtime parameters mdt[start,end]date[1,2]    - add runtime parameters mdt[start,end]date[1,2]
84    - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"    - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
85  o pkg/seaice:  o pkg/seaice:
86    - make deltaC a global variable, so that it can be used in ridging code    - make deltaC a global variable, so that it can be used in ridging code
87    - first step towards ridging: introduce new routines that compute    - first step towards ridging: introduce new routines that compute
88      ice strength based on ridging parameters      ice strength based on ridging parameters
89      - add diagnostic for HSNOWITD
90      - add opnWtrFrac as a global variable (required for ridging scheme)
91  o pkg/salt_plume + pkg/seaice/seaice_growth.F  o pkg/salt_plume + pkg/seaice/seaice_growth.F
92    - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice    - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
93      AREA exceeds a threshold (code contributed by I.Fenty in 2011)      AREA exceeds a threshold (code contributed by I.Fenty in 2011)
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