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revision 1.928 by jmc, Tue Dec 18 16:19:53 2007 UTC revision 1.987 by jmc, Tue May 6 19:02:20 2008 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint59q
8    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
9       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
10    o Refresh tutorial_global_oce_biogeo, notably:
11      - change bathymetry (put back seamounts in ACC, use hFacs)
12      - change EOS (POLY3 --> JMD95Z)
13      - use Bryan-Lewis vertical diffusivity
14      - use multidimensional advection
15      - remove old virtual virtual in dic pkg, now done through ptracer pkg
16      - change a couple of parameters in dic pkg
17    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
18    o pkg/obcs: change default to OBCSfixTopo = .true.,
19      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
20      - replace "debugMode" with "debugLevel .GE. debLevB"
21    o implementation of TAF directives for gchem,cfc,dic
22    o remove "exp5" (replaced by tutorial_deep_convection).
23    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
24      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
25      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
26      --> changes results in exp4, seaice_obcs
27    o tutorial_deep_convection :
28      update the set-up and increase resolution and domain size ; start
29      from pseudo initial conditions = output at t=120mn in order to see
30      something happening when running testreport.
31    o pkg/seaice: add os7mp as an advection scheme
32                  add check for advection schemes
33                  add a flag for restoring T and S underneath sea ice
34    o pkg/my82: add netcdf-support and diagnostics
35    o thsice pkg:
36      - Now hsMax limits snow height by turning it into ice following
37        flooding scheme (and now conserving energy)
38      - Slight rewriting of the formula in thsice_calc_thick.F
39      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
40      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
41    
42    checkpoint59p
43    o gchem / dic / cfc :
44      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
45      - add new parameter files: "data.dic" & "data.cfc" ;
46      - various re-arrangement in initialisation & header file ;
47      - fix tutorial_global_oce_biogeo for multi-threaded test.
48    o pkg/dic: test for "pickup_dic" file when restarting ;
49      if no pickup-file, can restart with a re-initialised pH (same as it did
50      before) providing pickupStrictlyMatch is set to False.
51    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
52      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
53    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
54      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
55    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
56     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
57       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
58    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
59       scheme to use for vorticty-term ;
60     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
61       (with default selectVortScheme, return to original discretisation)
62     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
63    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
64    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
65      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
66      also fix diagnostics VISCAHW & VISCA4W.
67    
68    checkpoint59o
69    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
70    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
71      move a few statemens out the main loop into separate loops
72    o pkg/shelfice:
73      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
74        (kg/m^2/s), does not break tests, because in verification/isomip,
75        rhoConstFresh=rhoConst (by accident)
76      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
77      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
78        new file model/src/seawater.F, so that they are available for all pkgs.
79      - convert potential temperature into in-situ temperature. This changes the
80        isomip tests => update tests
81    o add a flag writePickupAtEnd (default=true) to be able to suppress
82      writing a pickup at the last timestep
83    o tools/mpack-1.6 :
84      - disable automake (not working) and autoconf (not needed).
85      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
86        also cleaner with much less compilation warnings.
87    o pkg/profiles:
88      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
89      (for "less than 32 characters name" compiler requirement)
90    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
91      conditions that have a different sampling frequency than S/T/U/V obcs
92    o pkg/diagnostics (stats-diags):
93      - fix global Min/Max in case 1 processor get only empty tiles
94    o genmake2: replace (4 times)
95         make genmake_tc_1.o >> genmake_warnings 2>&1
96      with
97         COMM="$CC $CFLAGS -c genmake_tc_1.c"
98         echo $COMM >> genmake_warnings
99         $COMM >> genmake_warnings 2>&1
100      to make genmake2 always see the value of CC as specified in the optfile.
101    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
102      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
103      - modify verification advect_cs test to test SOM-advection on CS-grid.
104    o pkg/ctrl:
105      - Rewrite of ctrl_map_ini_ecco.F,
106        introducing a generic routine (ctrl_map_ini_gen.F).
107      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
108    
109    checkpoint59n
110    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
111      number in dedicate array "hdiag":
112      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
113        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
114      - many small changes (integer format) for large number of diagnostics
115      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
116        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
117    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
118      usingSphericalGrid, this allows to define the rotated grid coordinates
119      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
120      geographical coordinates according to the inverse of the rotation defined
121      by the Euler angles, so that Coriolis parameter and online-interpolation by
122      exf works with the geographical coordinates on XC/YC/XG/YG.
123      Naturally, this feature does not work with all packages, so some
124      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
125      profiles), because there the coordinates are assumed to be regular
126      spherical grid coordinates.
127    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
128      - introduce isopycnal diffusion coefficient control.
129    o tools/adjoint_options:
130      - additional control vector components.
131    o pkg/mnc: have mnc create marginally meaning full coordinate variables
132      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
133    o pkg/mypackage:
134      - add example of read/write pickup for state-var ;
135      - add entry points to the main code for state-vars diags & write-pickup.
136    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
137      transitions for useExfYearlyFields
138      - add new subroutine that determines the file to read from for
139        use*YearlyFields = .TRUE. and .FALSE.
140      - add a verification experiment to global_with_exf that tests
141        useExfYearlyFields with USE_EXF_INTERPOLATION defined
142    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
143      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
144      subroutines (which could be generated from a template, because they are
145      almost identical), for now they are included in obcs_prescribe_read.F for
146      simplicity
147    o pkg/exf:
148      - add a little more diagnostic to exf_interp_read (in analogy to
149        mds_read_field, can be turned off with debugLevel < debugLevA=1)
150      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
151        ugly but fast by unrolling short inner loops, inserting a unroll=8
152        directive in routine lagran, and splitting a loop and making do while the
153        outermost loop (the latter requires the intoduction of index arrays)
154    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
155    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
156      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
157    o verification/seaice_obcs: updated for restart test and latest options
158    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
159      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
160      for now this is only available for the C-grid code and also within
161      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
162    
163    checkpoint59m
164    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
165      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
166    o gad_som : fix flux output (& diagnostics) to have same units as other  
167      advection scheme fluxes (was previously multiplied by deltaT).  
168    o added verification/seaice_obcs both to test seaice open boundaries
169      and to provide an example matlab scrpt for generating them
170    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
171    o pkg/salt_plume: clean up salt_plume_frac.F to
172      remove redundancy in PlumeMethod 1 and 4
173    o pkg/kpp: added saltplume diagnostics
174    o pkg/obcs and pkg/seaice:
175      - do not set uice and vice to zero when OB*icefile are unspecified
176      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
177      - moved seaice tracer obcs after call to seaice_growth
178  o pkg/salt_plume: added various options for salt plume depth  o pkg/salt_plume: added various options for salt plume depth
179    criterion and for vertical distribution of the salt    criterion and for vertical distribution of the salt
180    

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