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revision 1.913 by jmc, Wed Nov 28 16:52:16 2007 UTC revision 1.991 by jmc, Fri May 16 02:05:51 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 move from external_forcing_surf.F to ini_forcing.F
8      the p-coord. hack consisting in using pLoad to set phi0surf ;
9      update output of tutorial_global_oce_in_p (affected @ truncation level).
10    o Freshen up a bit hs94.1x64x5, notably:
11      remove rotationPeriod and tRef=5*0. (adjoint only), and add exactConserv=.TRUE.
12    o pkg/generic_advdiff:
13      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
14      applies to files where Temperature & Salinity 2nd Order moments are used.
15    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
16      this uses a dynamically allocated internal state data structure
17      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
18      and requires a fortran 90 compiler
19    
20    checkpoint59q
21    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
22       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
23    o Refresh tutorial_global_oce_biogeo, notably:
24      - change bathymetry (put back seamounts in ACC, use hFacs)
25      - change EOS (POLY3 --> JMD95Z)
26      - use Bryan-Lewis vertical diffusivity
27      - use multidimensional advection
28      - remove old virtual virtual in dic pkg, now done through ptracer pkg
29      - change a couple of parameters in dic pkg
30    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
31    o pkg/obcs: change default to OBCSfixTopo = .true.,
32      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
33      - replace "debugMode" with "debugLevel .GE. debLevB"
34    o implementation of TAF directives for gchem,cfc,dic
35    o remove "exp5" (replaced by tutorial_deep_convection).
36    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
37      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
38      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
39      --> changes results in exp4, seaice_obcs
40    o tutorial_deep_convection :
41      update the set-up and increase resolution and domain size ; start
42      from pseudo initial conditions = output at t=120mn in order to see
43      something happening when running testreport.
44    o pkg/seaice: add os7mp as an advection scheme
45                  add check for advection schemes
46                  add a flag for restoring T and S underneath sea ice
47    o pkg/my82: add netcdf-support and diagnostics
48    o thsice pkg:
49      - Now hsMax limits snow height by turning it into ice following
50        flooding scheme (and now conserving energy)
51      - Slight rewriting of the formula in thsice_calc_thick.F
52      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
53      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
54    
55    checkpoint59p
56    o gchem / dic / cfc :
57      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
58      - add new parameter files: "data.dic" & "data.cfc" ;
59      - various re-arrangement in initialisation & header file ;
60      - fix tutorial_global_oce_biogeo for multi-threaded test.
61    o pkg/dic: test for "pickup_dic" file when restarting ;
62      if no pickup-file, can restart with a re-initialised pH (same as it did
63      before) providing pickupStrictlyMatch is set to False.
64    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
65      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
66    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
67      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
68    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
69     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
70       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
71    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
72       scheme to use for vorticty-term ;
73     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
74       (with default selectVortScheme, return to original discretisation)
75     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
76    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
77    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
78      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
79      also fix diagnostics VISCAHW & VISCA4W.
80    
81    checkpoint59o
82    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
83    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
84      move a few statemens out the main loop into separate loops
85    o pkg/shelfice:
86      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
87        (kg/m^2/s), does not break tests, because in verification/isomip,
88        rhoConstFresh=rhoConst (by accident)
89      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
90      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
91        new file model/src/seawater.F, so that they are available for all pkgs.
92      - convert potential temperature into in-situ temperature. This changes the
93        isomip tests => update tests
94    o add a flag writePickupAtEnd (default=true) to be able to suppress
95      writing a pickup at the last timestep
96    o tools/mpack-1.6 :
97      - disable automake (not working) and autoconf (not needed).
98      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
99        also cleaner with much less compilation warnings.
100    o pkg/profiles:
101      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
102      (for "less than 32 characters name" compiler requirement)
103    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
104      conditions that have a different sampling frequency than S/T/U/V obcs
105    o pkg/diagnostics (stats-diags):
106      - fix global Min/Max in case 1 processor get only empty tiles
107    o genmake2: replace (4 times)
108         make genmake_tc_1.o >> genmake_warnings 2>&1
109      with
110         COMM="$CC $CFLAGS -c genmake_tc_1.c"
111         echo $COMM >> genmake_warnings
112         $COMM >> genmake_warnings 2>&1
113      to make genmake2 always see the value of CC as specified in the optfile.
114    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
115      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
116      - modify verification advect_cs test to test SOM-advection on CS-grid.
117    o pkg/ctrl:
118      - Rewrite of ctrl_map_ini_ecco.F,
119        introducing a generic routine (ctrl_map_ini_gen.F).
120      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
121    
122    checkpoint59n
123    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
124      number in dedicate array "hdiag":
125      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
126        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
127      - many small changes (integer format) for large number of diagnostics
128      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
129        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
130    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
131      usingSphericalGrid, this allows to define the rotated grid coordinates
132      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
133      geographical coordinates according to the inverse of the rotation defined
134      by the Euler angles, so that Coriolis parameter and online-interpolation by
135      exf works with the geographical coordinates on XC/YC/XG/YG.
136      Naturally, this feature does not work with all packages, so some
137      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
138      profiles), because there the coordinates are assumed to be regular
139      spherical grid coordinates.
140    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
141      - introduce isopycnal diffusion coefficient control.
142    o tools/adjoint_options:
143      - additional control vector components.
144    o pkg/mnc: have mnc create marginally meaning full coordinate variables
145      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
146    o pkg/mypackage:
147      - add example of read/write pickup for state-var ;
148      - add entry points to the main code for state-vars diags & write-pickup.
149    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
150      transitions for useExfYearlyFields
151      - add new subroutine that determines the file to read from for
152        use*YearlyFields = .TRUE. and .FALSE.
153      - add a verification experiment to global_with_exf that tests
154        useExfYearlyFields with USE_EXF_INTERPOLATION defined
155    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
156      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
157      subroutines (which could be generated from a template, because they are
158      almost identical), for now they are included in obcs_prescribe_read.F for
159      simplicity
160    o pkg/exf:
161      - add a little more diagnostic to exf_interp_read (in analogy to
162        mds_read_field, can be turned off with debugLevel < debugLevA=1)
163      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
164        ugly but fast by unrolling short inner loops, inserting a unroll=8
165        directive in routine lagran, and splitting a loop and making do while the
166        outermost loop (the latter requires the intoduction of index arrays)
167    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
168    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
169      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
170    o verification/seaice_obcs: updated for restart test and latest options
171    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
172      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
173      for now this is only available for the C-grid code and also within
174      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
175    
176    checkpoint59m
177    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
178      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
179    o gad_som : fix flux output (& diagnostics) to have same units as other  
180      advection scheme fluxes (was previously multiplied by deltaT).  
181    o added verification/seaice_obcs both to test seaice open boundaries
182      and to provide an example matlab scrpt for generating them
183    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
184    o pkg/salt_plume: clean up salt_plume_frac.F to
185      remove redundancy in PlumeMethod 1 and 4
186    o pkg/kpp: added saltplume diagnostics
187    o pkg/obcs and pkg/seaice:
188      - do not set uice and vice to zero when OB*icefile are unspecified
189      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
190      - moved seaice tracer obcs after call to seaice_growth
191    o pkg/salt_plume: added various options for salt plume depth
192      criterion and for vertical distribution of the salt
193    
194    checkpoint59l
195    o pkg/ptracers: new version of ptracers pickup:
196      read meta file and write only fields which are needed to restart.
197      ( same logic as main pickup file ; also using pickupStrictlyMatch )
198    o pkg/seaice:
199      - add timescale for melting due to warm mixed layer as a means of
200        setting SEAICE_availHeatFrac more conveniently
201      - add a CPP-flag/runtime parameter check for flooding algorithm
202      - reformulated availHeat in seaice_growth.F to be independent of AREA
203    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
204      unit changes
205    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
206    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
207      SX vector computer.
208    o pkg/seaice:
209      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
210        seaice forcing fields can now be read only through pkg/exf
211      - removed some unused halos
212    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
213    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
214      or U/VICE from U/VWIND before computing U/VSTRESS
215    
216    checkpoint59k
217    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
218      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
219  o fix un-initialised variable problem (in mom_vecinv & shap_filt):  o fix un-initialised variable problem (in mom_vecinv & shap_filt):
220    all experiments pass when compile with un-initilised var. checking option.    all experiments pass when compile with un-initialised var. checking option.
221  o added pkg/salt_plume  o added pkg/salt_plume
222  o script to test restart (for now, in MITgcm_contrib/jmc_script)  o script to test restart (for now, in MITgcm_contrib/jmc_script)
223  o pkg/seaice: new read/write pickup version.  o pkg/seaice: new read/write pickup version.

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