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revision 1.935 by dimitri, Thu Jan 10 23:32:15 2008 UTC revision 1.990 by dfer, Fri May 9 22:39:42 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/seaice/seaice_growth.F: use a different time constant for freezing  o Freshen up a bit hs94.1x64x5, notably:
8    ice due to supercooled sea water, hardwired to SEAICE_deltaTtherm/0.1    remove rotationPeriod and tRef=5*0. (adjoint only), and add exactConserv=.TRUE.
9  o gad_som : fix flux output (& diagnostics) to have same units as other  o pkg/generic_advdiff:
10    advection scheme fluxes (was previously multiplied by deltaT).    change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
11      applies to files where Temperature & Salinity 2nd Order moments are used.
12    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
13      this uses a dynamically allocated internal state data structure
14      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
15      and requires a fortran 90 compiler
16    
17    checkpoint59q
18    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
19       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
20    o Refresh tutorial_global_oce_biogeo, notably:
21      - change bathymetry (put back seamounts in ACC, use hFacs)
22      - change EOS (POLY3 --> JMD95Z)
23      - use Bryan-Lewis vertical diffusivity
24      - use multidimensional advection
25      - remove old virtual virtual in dic pkg, now done through ptracer pkg
26      - change a couple of parameters in dic pkg
27    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
28    o pkg/obcs: change default to OBCSfixTopo = .true.,
29      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
30      - replace "debugMode" with "debugLevel .GE. debLevB"
31    o implementation of TAF directives for gchem,cfc,dic
32    o remove "exp5" (replaced by tutorial_deep_convection).
33    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
34      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
35      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
36      --> changes results in exp4, seaice_obcs
37    o tutorial_deep_convection :
38      update the set-up and increase resolution and domain size ; start
39      from pseudo initial conditions = output at t=120mn in order to see
40      something happening when running testreport.
41    o pkg/seaice: add os7mp as an advection scheme
42                  add check for advection schemes
43                  add a flag for restoring T and S underneath sea ice
44    o pkg/my82: add netcdf-support and diagnostics
45    o thsice pkg:
46      - Now hsMax limits snow height by turning it into ice following
47        flooding scheme (and now conserving energy)
48      - Slight rewriting of the formula in thsice_calc_thick.F
49      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
50      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
51    
52    checkpoint59p
53    o gchem / dic / cfc :
54      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
55      - add new parameter files: "data.dic" & "data.cfc" ;
56      - various re-arrangement in initialisation & header file ;
57      - fix tutorial_global_oce_biogeo for multi-threaded test.
58    o pkg/dic: test for "pickup_dic" file when restarting ;
59      if no pickup-file, can restart with a re-initialised pH (same as it did
60      before) providing pickupStrictlyMatch is set to False.
61    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
62      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
63    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
64      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
65    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
66     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
67       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
68    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
69       scheme to use for vorticty-term ;
70     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
71       (with default selectVortScheme, return to original discretisation)
72     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
73    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
74    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
75      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
76      also fix diagnostics VISCAHW & VISCA4W.
77    
78    checkpoint59o
79    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
80    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
81      move a few statemens out the main loop into separate loops
82    o pkg/shelfice:
83      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
84        (kg/m^2/s), does not break tests, because in verification/isomip,
85        rhoConstFresh=rhoConst (by accident)
86      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
87      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
88        new file model/src/seawater.F, so that they are available for all pkgs.
89      - convert potential temperature into in-situ temperature. This changes the
90        isomip tests => update tests
91    o add a flag writePickupAtEnd (default=true) to be able to suppress
92      writing a pickup at the last timestep
93    o tools/mpack-1.6 :
94      - disable automake (not working) and autoconf (not needed).
95      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
96        also cleaner with much less compilation warnings.
97    o pkg/profiles:
98      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
99      (for "less than 32 characters name" compiler requirement)
100    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
101      conditions that have a different sampling frequency than S/T/U/V obcs
102    o pkg/diagnostics (stats-diags):
103      - fix global Min/Max in case 1 processor get only empty tiles
104    o genmake2: replace (4 times)
105         make genmake_tc_1.o >> genmake_warnings 2>&1
106      with
107         COMM="$CC $CFLAGS -c genmake_tc_1.c"
108         echo $COMM >> genmake_warnings
109         $COMM >> genmake_warnings 2>&1
110      to make genmake2 always see the value of CC as specified in the optfile.
111    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
112      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
113      - modify verification advect_cs test to test SOM-advection on CS-grid.
114    o pkg/ctrl:
115      - Rewrite of ctrl_map_ini_ecco.F,
116        introducing a generic routine (ctrl_map_ini_gen.F).
117      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
118    
119    checkpoint59n
120    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
121      number in dedicate array "hdiag":
122      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
123        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
124      - many small changes (integer format) for large number of diagnostics
125      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
126        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
127    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
128      usingSphericalGrid, this allows to define the rotated grid coordinates
129      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
130      geographical coordinates according to the inverse of the rotation defined
131      by the Euler angles, so that Coriolis parameter and online-interpolation by
132      exf works with the geographical coordinates on XC/YC/XG/YG.
133      Naturally, this feature does not work with all packages, so some
134      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
135      profiles), because there the coordinates are assumed to be regular
136      spherical grid coordinates.
137    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
138      - introduce isopycnal diffusion coefficient control.
139    o tools/adjoint_options:
140      - additional control vector components.
141    o pkg/mnc: have mnc create marginally meaning full coordinate variables
142      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
143    o pkg/mypackage:
144      - add example of read/write pickup for state-var ;
145      - add entry points to the main code for state-vars diags & write-pickup.
146    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
147      transitions for useExfYearlyFields
148      - add new subroutine that determines the file to read from for
149        use*YearlyFields = .TRUE. and .FALSE.
150      - add a verification experiment to global_with_exf that tests
151        useExfYearlyFields with USE_EXF_INTERPOLATION defined
152    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
153      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
154      subroutines (which could be generated from a template, because they are
155      almost identical), for now they are included in obcs_prescribe_read.F for
156      simplicity
157    o pkg/exf:
158      - add a little more diagnostic to exf_interp_read (in analogy to
159        mds_read_field, can be turned off with debugLevel < debugLevA=1)
160      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
161        ugly but fast by unrolling short inner loops, inserting a unroll=8
162        directive in routine lagran, and splitting a loop and making do while the
163        outermost loop (the latter requires the intoduction of index arrays)
164    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
165    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
166      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
167    o verification/seaice_obcs: updated for restart test and latest options
168    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
169      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
170      for now this is only available for the C-grid code and also within
171      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
172    
173    checkpoint59m
174    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
175      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
176    o gad_som : fix flux output (& diagnostics) to have same units as other  
177      advection scheme fluxes (was previously multiplied by deltaT).  
178  o added verification/seaice_obcs both to test seaice open boundaries  o added verification/seaice_obcs both to test seaice open boundaries
179    and to provide an example matlab scrpt for generating them    and to provide an example matlab scrpt for generating them
180  o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume  o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume

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