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revision 1.905 by mlosch, Wed Nov 7 11:13:21 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):
220      all experiments pass when compile with un-initialised var. checking option.
221    o added pkg/salt_plume
222    o script to test restart (for now, in MITgcm_contrib/jmc_script)
223    o pkg/seaice: new read/write pickup version.
224      read meta file and write only fields which are needed to restart.
225      ( same logic as main pickup file ; also using pickupStrictlyMatch )
226    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
227    o lab_sea.hb87: modify the domain & update output.hb87.txt :
228      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
229      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
230      process. Fixed here by closing the domain at the Northern boundary.
231    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
232    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
233      a set of consecutive levels in/from a 3-D array.
234    o pkg/ptracers:
235      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
236      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
237    
238    checkpoint59j
239    o in pkgs: dic, obcs, offline, rbcs:
240      standard way to compute coeff. for time interpolation between 2 time reccords
241      which retains full precision (& make results less dependent on compiler).
242      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
243  o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those  o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
244    packages instead of reading ice cover and wind speed separately    packages instead of reading ice cover and wind speed separately
245  o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h  o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h

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