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revision 1.892 by jmc, Mon Oct 15 00:30:04 2007 UTC revision 1.971 by jmc, Sun Apr 6 02:05:05 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 change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
8      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
9    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
10      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
11    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
12     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
13       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
14    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
15       scheme to use for vorticty-term ;
16     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
17       (with default selectVortScheme, return to original discretisation)
18     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
19    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
20    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
21      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
22      also fix diagnostics VISCAHW & VISCA4W.
23    
24    checkpoint59o
25    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
26    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
27      move a few statemens out the main loop into separate loops
28    o pkg/shelfice:
29      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
30        (kg/m^2/s), does not break tests, because in verification/isomip,
31        rhoConstFresh=rhoConst (by accident)
32      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
33      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
34        new file model/src/seawater.F, so that they are available for all pkgs.
35      - convert potential temperature into in-situ temperature. This changes the
36        isomip tests => update tests
37    o add a flag writePickupAtEnd (default=true) to be able to suppress
38      writing a pickup at the last timestep
39    o tools/mpack-1.6 :
40      - disable automake (not working) and autoconf (not needed).
41      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
42        also cleaner with much less compilation warnings.
43    o pkg/profiles:
44      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
45      (for "less than 32 characters name" compiler requirement)
46    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
47      conditions that have a different sampling frequency than S/T/U/V obcs
48    o pkg/diagnostics (stats-diags):
49      - fix global Min/Max in case 1 processor get only empty tiles
50    o genmake2: replace (4 times)
51         make genmake_tc_1.o >> genmake_warnings 2>&1
52      with
53         COMM="$CC $CFLAGS -c genmake_tc_1.c"
54         echo $COMM >> genmake_warnings
55         $COMM >> genmake_warnings 2>&1
56      to make genmake2 always see the value of CC as specified in the optfile.
57    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
58      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
59      - modify verification advect_cs test to test SOM-advection on CS-grid.
60    o pkg/ctrl:
61      - Rewrite of ctrl_map_ini_ecco.F,
62        introducing a generic routine (ctrl_map_ini_gen.F).
63      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
64    
65    checkpoint59n
66    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
67      number in dedicate array "hdiag":
68      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
69        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
70      - many small changes (integer format) for large number of diagnostics
71      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
72        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
73    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
74      usingSphericalGrid, this allows to define the rotated grid coordinates
75      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
76      geographical coordinates according to the inverse of the rotation defined
77      by the Euler angles, so that Coriolis parameter and online-interpolation by
78      exf works with the geographical coordinates on XC/YC/XG/YG.
79      Naturally, this feature does not work with all packages, so some
80      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
81      profiles), because there the coordinates are assumed to be regular
82      spherical grid coordinates.
83    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
84      - introduce isopycnal diffusion coefficient control.
85    o tools/adjoint_options:
86      - additional control vector components.
87    o pkg/mnc: have mnc create marginally meaning full coordinate variables
88      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
89    o pkg/mypackage:
90      - add example of read/write pickup for state-var ;
91      - add entry points to the main code for state-vars diags & write-pickup.
92    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
93      transitions for useExfYearlyFields
94      - add new subroutine that determines the file to read from for
95        use*YearlyFields = .TRUE. and .FALSE.
96      - add a verification experiment to global_with_exf that tests
97        useExfYearlyFields with USE_EXF_INTERPOLATION defined
98    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
99      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
100      subroutines (which could be generated from a template, because they are
101      almost identical), for now they are included in obcs_prescribe_read.F for
102      simplicity
103    o pkg/exf:
104      - add a little more diagnostic to exf_interp_read (in analogy to
105        mds_read_field, can be turned off with debugLevel < debugLevA=1)
106      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
107        ugly but fast by unrolling short inner loops, inserting a unroll=8
108        directive in routine lagran, and splitting a loop and making do while the
109        outermost loop (the latter requires the intoduction of index arrays)
110    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
111    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
112      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
113    o verification/seaice_obcs: updated for restart test and latest options
114    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
115      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
116      for now this is only available for the C-grid code and also within
117      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
118    
119    checkpoint59m
120    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
121      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
122    o gad_som : fix flux output (& diagnostics) to have same units as other  
123      advection scheme fluxes (was previously multiplied by deltaT).  
124    o added verification/seaice_obcs both to test seaice open boundaries
125      and to provide an example matlab scrpt for generating them
126    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
127    o pkg/salt_plume: clean up salt_plume_frac.F to
128      remove redundancy in PlumeMethod 1 and 4
129    o pkg/kpp: added saltplume diagnostics
130    o pkg/obcs and pkg/seaice:
131      - do not set uice and vice to zero when OB*icefile are unspecified
132      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
133      - moved seaice tracer obcs after call to seaice_growth
134    o pkg/salt_plume: added various options for salt plume depth
135      criterion and for vertical distribution of the salt
136    
137    checkpoint59l
138    o pkg/ptracers: new version of ptracers pickup:
139      read meta file and write only fields which are needed to restart.
140      ( same logic as main pickup file ; also using pickupStrictlyMatch )
141    o pkg/seaice:
142      - add timescale for melting due to warm mixed layer as a means of
143        setting SEAICE_availHeatFrac more conveniently
144      - add a CPP-flag/runtime parameter check for flooding algorithm
145      - reformulated availHeat in seaice_growth.F to be independent of AREA
146    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
147      unit changes
148    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
149    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
150      SX vector computer.
151    o pkg/seaice:
152      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
153        seaice forcing fields can now be read only through pkg/exf
154      - removed some unused halos
155    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
156    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
157      or U/VICE from U/VWIND before computing U/VSTRESS
158    
159    checkpoint59k
160    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
161      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
162    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
163      all experiments pass when compile with un-initialised var. checking option.
164    o added pkg/salt_plume
165    o script to test restart (for now, in MITgcm_contrib/jmc_script)
166    o pkg/seaice: new read/write pickup version.
167      read meta file and write only fields which are needed to restart.
168      ( same logic as main pickup file ; also using pickupStrictlyMatch )
169    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
170    o lab_sea.hb87: modify the domain & update output.hb87.txt :
171      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
172      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
173      process. Fixed here by closing the domain at the Northern boundary.
174    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
175    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
176      a set of consecutive levels in/from a 3-D array.
177    o pkg/ptracers:
178      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
179      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
180    
181    checkpoint59j
182    o in pkgs: dic, obcs, offline, rbcs:
183      standard way to compute coeff. for time interpolation between 2 time reccords
184      which retains full precision (& make results less dependent on compiler).
185      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
186    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
187      packages instead of reading ice cover and wind speed separately
188    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
189     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
190      to allow to compile customized code before the update)
191    o cleaning-up:
192      - fix CPP instruction syntax in pkg/obcs
193      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
194        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
195      - fix some threads issue in IO parts.
196    o pkg/dic:
197      - add tons of "_d 0" (--> much better testreports !)
198       and then update outputs of tutorial_global_oce_biogeo
199    o pkg/mom_fluxform:
200      add a special version of momentum advection intended to conserve momentum
201      next to a bathymetry step or a coastline edge. (default = off = #undef)
202    o new read/write pickup version:
203      - for now, only implemented for main (mdsio) pickup file.
204      - write out only what is needed to restart; merge pickup_nh , pickup_ph
205        and main pickup together.
206      - read meta file; read only what is needed to restart; stop if a field
207        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
208        if it make sense (even if the restart is not perfect).
209      - if no meta file, assume that pickup to read corresponds exactly to
210        a pickup that would currently be written.
211      - read pickup written in the old format (until checkpoint59i) if it
212        recognizes an old meta file (no field-list).
213      - add a meta file in exp. which starts from a pickup: 2 cases:
214        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
215         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
216        b) a meta file describing the content of the associated pickup file
217         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
218    o pkg/mdsio & pkg/rw:
219      - new routine to read a meta file ; new set of routine to read
220        Multiple-fields file (with meta file).
221    o added open boundary conditions capability for seaice
222        HSNOW, HSALT, UICE, and VICE
223    
224    checkpoint59i
225    o adjoint:
226      * fix multiDimAdvection adjoint
227        (partial recomputation problem by TAF for fVerT(:,:,kDown)
228        and comlev1 size definition (maxpass vs. max. number of tracers)
229      * verification/global_ocean.90x45x15 adjoint now tests
230        NLFS and multiDimAdvection using DST3 (=30)
231      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
232    o pkg/kpp: add "_d 0" to real constant (if missing);
233      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
234      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
235    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
236      for internal parameters related to restart process (formerly from PARAMS.h)
237      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
238    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
239      as argument. (only atm2d & obcs write_pickup have not yet been updated)
240  o pkg/monitor:  o pkg/monitor:
241    - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM    - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
242    - fix mon_stats_rs (statistics over the full domain, even where field is zero)    - fix mon_stats_rs (statistics over the full domain, even where field is zero)
# Line 20  o add a little bit of code to gad_os7mp_ Line 253  o add a little bit of code to gad_os7mp_
253  o add new diagnostics to seaice: advective, diffusive fluxes (only for  o add new diagnostics to seaice: advective, diffusive fluxes (only for
254    multidim-advection, for scheme 2 they are not filled) and transports,    multidim-advection, for scheme 2 they are not filled) and transports,
255    thermodynamic growth rates    thermodynamic growth rates
256  o change units of EmPmR (inside the code) from m/s to kg/m2/s (mass flux) but  o change units of EmPmR (inside the code, + within coupling interface)
257    leave input file unchanged. Affects results @ truncation level (cg2d match)    from m/s to kg/m2/s (mass flux) but leave input file unchanged.
258    and update output of experiments: lab_sea(6), global_ocean.90x40x15(10),    Affects results @ truncation level (cg2d match) and update output of
259       experiments: lab_sea(6), global_ocean.90x40x15(10),
260    global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)    global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
261    + adjoint results: global_ocean_ebm(11) and lab_sea (12).    + adjoint results: global_ocean_ebm(11) and lab_sea (12).
262      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
263    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
264    
265  checkpoint59h  checkpoint59h

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