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revision 1.932 by dimitri, Sat Dec 22 17:44:49 2007 UTC revision 1.1002 by gforget, Wed Jun 11 19:32:27 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 added verification/lab_sea/input.salt_plume  o pkg/grdchk: Add gradient check to etan0 perturbations.
8    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
9    o pkg/autodiff: more flexibility in zeroadj.
10      model/src: modifying do_oceanic_phys.F accordingly.
11    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
12    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
13      special setup of gmredi for which the adjoint is stable
14      enough for parameter optimization.
15    o bridging the gap between eddy stress and GM.
16      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
17          along with a change in CPP option (now ALLOW_EDDYPSI).
18      -> when using GM w/ GM_AdvForm:
19          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
20          is applied either in the tracer Eq. or in momentum Eq.
21          depending on data.gmredi (intro. GM_InMomAsStress).
22      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
23      The key modifications are in model/src/taueddy_external_forcing.F
24      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
25    checkpoint59r
26    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
27      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
28      fix option to read coriolis(@ cell-corner) from files with CS-grid.
29    o pkg/mnc: add some attributes to standard 1D-coordinate variables
30    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
31      mass points, when using mnc for output
32      - add runtime parameter (missing_value, missing_value_int) to override
33        default (which is the value of getcon('UNDEF'))
34    o pkg/mnc: prepare mnc for the actual use of missing values with the
35      diagnostics package: small fix in mnc_cw_readwrite.template and more
36      initialisation of never used fields
37      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
38      versions
39    o pkg/thsice/thsice_ini_vars.F added default initial values so that
40      thermodynamics sea ice solver does not blow up when some initial fields
41      are missing.
42    o move from external_forcing_surf.F to ini_forcing.F
43      the p-coord. hack consisting in using pLoad to set phi0surf ;
44      update output of tutorial_global_oce_in_p (affected @ truncation level).
45    o Freshen up a bit hs94.1x64x5, notably:
46      remove rotationPeriod and tRef=5*0. (adjoint only), and add
47      exactConserv=.TRUE.
48    o pkg/generic_advdiff:
49      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
50      applies to files where Temperature & Salinity 2nd Order moments are used.
51    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
52      this uses a dynamically allocated internal state data structure
53      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
54      and requires a fortran 90 compiler
55    
56    checkpoint59q
57    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
58       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
59    o Refresh tutorial_global_oce_biogeo, notably:
60      - change bathymetry (put back seamounts in ACC, use hFacs)
61      - change EOS (POLY3 --> JMD95Z)
62      - use Bryan-Lewis vertical diffusivity
63      - use multidimensional advection
64      - remove old virtual virtual in dic pkg, now done through ptracer pkg
65      - change a couple of parameters in dic pkg
66    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
67    o pkg/obcs: change default to OBCSfixTopo = .true.,
68      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
69      - replace "debugMode" with "debugLevel .GE. debLevB"
70    o implementation of TAF directives for gchem,cfc,dic
71    o remove "exp5" (replaced by tutorial_deep_convection).
72    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
73      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
74      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
75      --> changes results in exp4, seaice_obcs
76    o tutorial_deep_convection :
77      update the set-up and increase resolution and domain size ; start
78      from pseudo initial conditions = output at t=120mn in order to see
79      something happening when running testreport.
80    o pkg/seaice: add os7mp as an advection scheme
81                  add check for advection schemes
82                  add a flag for restoring T and S underneath sea ice
83    o pkg/my82: add netcdf-support and diagnostics
84    o thsice pkg:
85      - Now hsMax limits snow height by turning it into ice following
86        flooding scheme (and now conserving energy)
87      - Slight rewriting of the formula in thsice_calc_thick.F
88      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
89      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
90    
91    checkpoint59p
92    o gchem / dic / cfc :
93      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
94      - add new parameter files: "data.dic" & "data.cfc" ;
95      - various re-arrangement in initialisation & header file ;
96      - fix tutorial_global_oce_biogeo for multi-threaded test.
97    o pkg/dic: test for "pickup_dic" file when restarting ;
98      if no pickup-file, can restart with a re-initialised pH (same as it did
99      before) providing pickupStrictlyMatch is set to False.
100    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
101      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
102    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
103      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
104    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
105     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
106       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
107    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
108       scheme to use for vorticty-term ;
109     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
110       (with default selectVortScheme, return to original discretisation)
111     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
112    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
113    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
114      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
115      also fix diagnostics VISCAHW & VISCA4W.
116    
117    checkpoint59o
118    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
119    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
120      move a few statemens out the main loop into separate loops
121    o pkg/shelfice:
122      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
123        (kg/m^2/s), does not break tests, because in verification/isomip,
124        rhoConstFresh=rhoConst (by accident)
125      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
126      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
127        new file model/src/seawater.F, so that they are available for all pkgs.
128      - convert potential temperature into in-situ temperature. This changes the
129        isomip tests => update tests
130    o add a flag writePickupAtEnd (default=true) to be able to suppress
131      writing a pickup at the last timestep
132    o tools/mpack-1.6 :
133      - disable automake (not working) and autoconf (not needed).
134      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
135        also cleaner with much less compilation warnings.
136    o pkg/profiles:
137      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
138      (for "less than 32 characters name" compiler requirement)
139    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
140      conditions that have a different sampling frequency than S/T/U/V obcs
141    o pkg/diagnostics (stats-diags):
142      - fix global Min/Max in case 1 processor get only empty tiles
143    o genmake2: replace (4 times)
144         make genmake_tc_1.o >> genmake_warnings 2>&1
145      with
146         COMM="$CC $CFLAGS -c genmake_tc_1.c"
147         echo $COMM >> genmake_warnings
148         $COMM >> genmake_warnings 2>&1
149      to make genmake2 always see the value of CC as specified in the optfile.
150    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
151      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
152      - modify verification advect_cs test to test SOM-advection on CS-grid.
153    o pkg/ctrl:
154      - Rewrite of ctrl_map_ini_ecco.F,
155        introducing a generic routine (ctrl_map_ini_gen.F).
156      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
157    
158    checkpoint59n
159    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
160      number in dedicate array "hdiag":
161      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
162        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
163      - many small changes (integer format) for large number of diagnostics
164      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
165        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
166    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
167      usingSphericalGrid, this allows to define the rotated grid coordinates
168      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
169      geographical coordinates according to the inverse of the rotation defined
170      by the Euler angles, so that Coriolis parameter and online-interpolation by
171      exf works with the geographical coordinates on XC/YC/XG/YG.
172      Naturally, this feature does not work with all packages, so some
173      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
174      profiles), because there the coordinates are assumed to be regular
175      spherical grid coordinates.
176    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
177      - introduce isopycnal diffusion coefficient control.
178    o tools/adjoint_options:
179      - additional control vector components.
180    o pkg/mnc: have mnc create marginally meaning full coordinate variables
181      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
182    o pkg/mypackage:
183      - add example of read/write pickup for state-var ;
184      - add entry points to the main code for state-vars diags & write-pickup.
185    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
186      transitions for useExfYearlyFields
187      - add new subroutine that determines the file to read from for
188        use*YearlyFields = .TRUE. and .FALSE.
189      - add a verification experiment to global_with_exf that tests
190        useExfYearlyFields with USE_EXF_INTERPOLATION defined
191    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
192      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
193      subroutines (which could be generated from a template, because they are
194      almost identical), for now they are included in obcs_prescribe_read.F for
195      simplicity
196    o pkg/exf:
197      - add a little more diagnostic to exf_interp_read (in analogy to
198        mds_read_field, can be turned off with debugLevel < debugLevA=1)
199      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
200        ugly but fast by unrolling short inner loops, inserting a unroll=8
201        directive in routine lagran, and splitting a loop and making do while the
202        outermost loop (the latter requires the intoduction of index arrays)
203    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
204    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
205      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
206    o verification/seaice_obcs: updated for restart test and latest options
207    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
208      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
209      for now this is only available for the C-grid code and also within
210      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
211    
212    checkpoint59m
213    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
214      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
215    o gad_som : fix flux output (& diagnostics) to have same units as other  
216      advection scheme fluxes (was previously multiplied by deltaT).  
217    o added verification/seaice_obcs both to test seaice open boundaries
218      and to provide an example matlab scrpt for generating them
219    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
220  o pkg/salt_plume: clean up salt_plume_frac.F to  o pkg/salt_plume: clean up salt_plume_frac.F to
221    remove redundancy in PlumeMethod 1 and 4    remove redundancy in PlumeMethod 1 and 4
222  o pkg/kpp: added saltplume diagnostics  o pkg/kpp: added saltplume diagnostics

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