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revision 1.940 by dimitri, Thu Jan 17 20:48:07 2008 UTC revision 1.982 by mlosch, Fri Apr 25 12:14:35 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 pkg/obcs: change default to OBCSfixTopo = .true.,
8      set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
9    o implementation of TAF directives for gchem,cfc,dic
10    o remove "exp5" (replaced by tutorial_deep_convection).
11    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
12      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
13      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
14      --> changes results in exp4, seaice_obcs
15    o tutorial_deep_convection :
16      update the set-up and increase resolution and domain size ; start
17      from pseudo initial conditions = output at t=120mn in order to see
18      something happening when running testreport.
19    o pkg/seaice: add os7mp as an advection scheme
20                  add check for advection schemes
21                  add a flag for restoring T and S underneath sea ice
22    o pkg/my82: add netcdf-support and diagnostics
23    o thsice pkg:
24      - Now hsMax limits snow height by turning it into ice following
25        flooding scheme (and now conserving energy)
26      - Slight rewriting of the formula in thsice_calc_thick.F
27      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
28      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
29    
30    checkpoint59p
31    o gchem / dic / cfc :
32      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
33      - add new parameter files: "data.dic" & "data.cfc" ;
34      - various re-arrangement in initialisation & header file ;
35      - fix tutorial_global_oce_biogeo for multi-threaded test.
36    o pkg/dic: test for "pickup_dic" file when restarting ;
37      if no pickup-file, can restart with a re-initialised pH (same as it did
38      before) providing pickupStrictlyMatch is set to False.
39    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
40      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
41    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
42      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
43    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
44     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
45       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
46    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
47       scheme to use for vorticty-term ;
48     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
49       (with default selectVortScheme, return to original discretisation)
50     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
51    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
52    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
53      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
54      also fix diagnostics VISCAHW & VISCA4W.
55    
56    checkpoint59o
57    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
58    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
59      move a few statemens out the main loop into separate loops
60    o pkg/shelfice:
61      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
62        (kg/m^2/s), does not break tests, because in verification/isomip,
63        rhoConstFresh=rhoConst (by accident)
64      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
65      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
66        new file model/src/seawater.F, so that they are available for all pkgs.
67      - convert potential temperature into in-situ temperature. This changes the
68        isomip tests => update tests
69    o add a flag writePickupAtEnd (default=true) to be able to suppress
70      writing a pickup at the last timestep
71    o tools/mpack-1.6 :
72      - disable automake (not working) and autoconf (not needed).
73      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
74        also cleaner with much less compilation warnings.
75    o pkg/profiles:
76      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
77      (for "less than 32 characters name" compiler requirement)
78    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
79      conditions that have a different sampling frequency than S/T/U/V obcs
80    o pkg/diagnostics (stats-diags):
81      - fix global Min/Max in case 1 processor get only empty tiles
82    o genmake2: replace (4 times)
83         make genmake_tc_1.o >> genmake_warnings 2>&1
84      with
85         COMM="$CC $CFLAGS -c genmake_tc_1.c"
86         echo $COMM >> genmake_warnings
87         $COMM >> genmake_warnings 2>&1
88      to make genmake2 always see the value of CC as specified in the optfile.
89    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
90      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
91      - modify verification advect_cs test to test SOM-advection on CS-grid.
92    o pkg/ctrl:
93      - Rewrite of ctrl_map_ini_ecco.F,
94        introducing a generic routine (ctrl_map_ini_gen.F).
95      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
96    
97    checkpoint59n
98    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
99      number in dedicate array "hdiag":
100      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
101        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
102      - many small changes (integer format) for large number of diagnostics
103      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
104        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
105    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
106      usingSphericalGrid, this allows to define the rotated grid coordinates
107      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
108      geographical coordinates according to the inverse of the rotation defined
109      by the Euler angles, so that Coriolis parameter and online-interpolation by
110      exf works with the geographical coordinates on XC/YC/XG/YG.
111      Naturally, this feature does not work with all packages, so some
112      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
113      profiles), because there the coordinates are assumed to be regular
114      spherical grid coordinates.
115    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
116      - introduce isopycnal diffusion coefficient control.
117    o tools/adjoint_options:
118      - additional control vector components.
119    o pkg/mnc: have mnc create marginally meaning full coordinate variables
120      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
121    o pkg/mypackage:
122      - add example of read/write pickup for state-var ;
123      - add entry points to the main code for state-vars diags & write-pickup.
124    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
125      transitions for useExfYearlyFields
126      - add new subroutine that determines the file to read from for
127        use*YearlyFields = .TRUE. and .FALSE.
128      - add a verification experiment to global_with_exf that tests
129        useExfYearlyFields with USE_EXF_INTERPOLATION defined
130    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
131      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
132      subroutines (which could be generated from a template, because they are
133      almost identical), for now they are included in obcs_prescribe_read.F for
134      simplicity
135    o pkg/exf:
136      - add a little more diagnostic to exf_interp_read (in analogy to
137        mds_read_field, can be turned off with debugLevel < debugLevA=1)
138      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
139        ugly but fast by unrolling short inner loops, inserting a unroll=8
140        directive in routine lagran, and splitting a loop and making do while the
141        outermost loop (the latter requires the intoduction of index arrays)
142    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
143    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
144      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
145  o verification/seaice_obcs: updated for restart test and latest options  o verification/seaice_obcs: updated for restart test and latest options
146  o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different  o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
147    ice rheology (so-called truncated ellipse, that gets rid of tensile stress);    ice rheology (so-called truncated ellipse, that gets rid of tensile stress);

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