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revision 1.1981 by mlosch, Thu Apr 24 09:23:49 2014 UTC revision 1.1993 by jmc, Mon May 12 03:37:11 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 model/src: modifications relatd to atmosphere p*:
8      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
9      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
10        of vertical profile tRef in geopotential background and anomaly.
11      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
12        and pkg/atm_phys.
13      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
14        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
15    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
16    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
17        not used right now, but can be used in BGC packages to fix conservation.
18    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
19        other packages too.
20    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
21        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
22    o model/src:
23      - since we have several heat capacity (even in model/src), define "recip_Cp"
24        as local variable (no longer in common block) to avoid any confusion.
25      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
26    o pkg/exf:
27      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
28        air density as function of air Temp, Humidity and atm pressure.
29    
30    checkpoint64w (2014/05/02)
31    o verification:
32      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
33        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
34        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
35        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
36        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
37    o model/src: for atmosphere in p* coords:
38      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
39      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
40        but not yet activated.
41    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
42      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
43      - this changes the results (but not for any verification experiment, because
44        none tests this), but avoids having an extra field in the restart files
45    o pkg/seaice: remove global variable TICE (not needed)
46      - replace by TICES or local variable where necessary (cost_seaice_test,
47        seaice_diagnostics_state)
48      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
49      - use specific read/write routines for reading and writing individual leves
50        of a multilevel field
51    o pkg/ctrl & model/inc:
52      - move additional anomaly fields of control vars (related to options:
53         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
54        from DYNVARS.h into new header file: CTRL_FIELDS.h
55  o pkg/seaice: some small modifications to the ridging code  o pkg/seaice: some small modifications to the ridging code
56    - make fw2ObyRidge a global variable and add the freshwater flux to    - make fw2ObyRidge a global variable and add the freshwater flux to
57      seaice_growth      seaice_growth
58    - pass actual thickness from seaice_prepare_ridging, so that it is    - pass actual thickness from seaice_prepare_ridging, so that it is
59      computed only in one place and compute it in the same way as in      computed only in one place and compute it in the same way as in
60      seaice_growth      seaice_growth
61    - initialise more fields in seaice_do_ridging that where cause floating    - initialise more fields in seaice_do_ridging that where cause floating
62      point exceptions over land      point exceptions over land
63  o pkg/seaice: preparations for ridging code and first real ridging code  o pkg/seaice: preparations for ridging code and first real ridging code
64    - move most of "PART 1" of S/R seaice_growth into a new and separate    - move most of "PART 1" of S/R seaice_growth into a new and separate
65      S/R seaice_reg_ridge that will both regularize the state variable after      S/R seaice_reg_ridge that will both regularize the state variable after
66      advection call the actual ridging routine;      advection call the actual ridging routine;
67    - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,    - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
68      d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;      d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
69    - remove ridging code from seaice_advdiff    - remove ridging code from seaice_advdiff
70    - clean up remaining part 1 of seaice_growth in an attempt to make it    - clean up remaining part 1 of seaice_growth in an attempt to make it
71      more readable (this is probably subjective)      more readable (this is probably subjective)
72    - call seaice_itd_redist once in the initialisation phase to have the initial    - call seaice_itd_redist once in the initialisation phase to have the initial
73      conditions in the correct category      conditions in the correct category
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