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revision 1.890 by mlosch, Wed Oct 10 12:25:20 2007 UTC revision 1.973 by jmc, Thu Apr 10 13:56:08 2008 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint59p
8    o gchem / dic / cfc :
9      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
10      - add new parameter files: "data.dic" & "data.cfc" ;
11      - various re-arrangement in initialisation & header file ;
12      - fix tutorial_global_oce_biogeo for multi-threaded test.
13    o pkg/dic: test for "pickup_dic" file when restarting ;
14      if no pickup-file, can restart with a re-initialised pH (same as it did
15      before) providing pickupStrictlyMatch is set to False.
16    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
17      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
18    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
19      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
20    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
21     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
22       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
23    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
24       scheme to use for vorticty-term ;
25     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
26       (with default selectVortScheme, return to original discretisation)
27     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
28    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
29    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
30      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
31      also fix diagnostics VISCAHW & VISCA4W.
32    
33    checkpoint59o
34    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
35    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
36      move a few statemens out the main loop into separate loops
37    o pkg/shelfice:
38      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
39        (kg/m^2/s), does not break tests, because in verification/isomip,
40        rhoConstFresh=rhoConst (by accident)
41      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
42      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
43        new file model/src/seawater.F, so that they are available for all pkgs.
44      - convert potential temperature into in-situ temperature. This changes the
45        isomip tests => update tests
46    o add a flag writePickupAtEnd (default=true) to be able to suppress
47      writing a pickup at the last timestep
48    o tools/mpack-1.6 :
49      - disable automake (not working) and autoconf (not needed).
50      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
51        also cleaner with much less compilation warnings.
52    o pkg/profiles:
53      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
54      (for "less than 32 characters name" compiler requirement)
55    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
56      conditions that have a different sampling frequency than S/T/U/V obcs
57    o pkg/diagnostics (stats-diags):
58      - fix global Min/Max in case 1 processor get only empty tiles
59    o genmake2: replace (4 times)
60         make genmake_tc_1.o >> genmake_warnings 2>&1
61      with
62         COMM="$CC $CFLAGS -c genmake_tc_1.c"
63         echo $COMM >> genmake_warnings
64         $COMM >> genmake_warnings 2>&1
65      to make genmake2 always see the value of CC as specified in the optfile.
66    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
67      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
68      - modify verification advect_cs test to test SOM-advection on CS-grid.
69    o pkg/ctrl:
70      - Rewrite of ctrl_map_ini_ecco.F,
71        introducing a generic routine (ctrl_map_ini_gen.F).
72      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
73    
74    checkpoint59n
75    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
76      number in dedicate array "hdiag":
77      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
78        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
79      - many small changes (integer format) for large number of diagnostics
80      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
81        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
82    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
83      usingSphericalGrid, this allows to define the rotated grid coordinates
84      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
85      geographical coordinates according to the inverse of the rotation defined
86      by the Euler angles, so that Coriolis parameter and online-interpolation by
87      exf works with the geographical coordinates on XC/YC/XG/YG.
88      Naturally, this feature does not work with all packages, so some
89      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
90      profiles), because there the coordinates are assumed to be regular
91      spherical grid coordinates.
92    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
93      - introduce isopycnal diffusion coefficient control.
94    o tools/adjoint_options:
95      - additional control vector components.
96    o pkg/mnc: have mnc create marginally meaning full coordinate variables
97      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
98    o pkg/mypackage:
99      - add example of read/write pickup for state-var ;
100      - add entry points to the main code for state-vars diags & write-pickup.
101    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
102      transitions for useExfYearlyFields
103      - add new subroutine that determines the file to read from for
104        use*YearlyFields = .TRUE. and .FALSE.
105      - add a verification experiment to global_with_exf that tests
106        useExfYearlyFields with USE_EXF_INTERPOLATION defined
107    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
108      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
109      subroutines (which could be generated from a template, because they are
110      almost identical), for now they are included in obcs_prescribe_read.F for
111      simplicity
112    o pkg/exf:
113      - add a little more diagnostic to exf_interp_read (in analogy to
114        mds_read_field, can be turned off with debugLevel < debugLevA=1)
115      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
116        ugly but fast by unrolling short inner loops, inserting a unroll=8
117        directive in routine lagran, and splitting a loop and making do while the
118        outermost loop (the latter requires the intoduction of index arrays)
119    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
120    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
121      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
122    o verification/seaice_obcs: updated for restart test and latest options
123    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
124      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
125      for now this is only available for the C-grid code and also within
126      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
127    
128    checkpoint59m
129    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
130      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
131    o gad_som : fix flux output (& diagnostics) to have same units as other  
132      advection scheme fluxes (was previously multiplied by deltaT).  
133    o added verification/seaice_obcs both to test seaice open boundaries
134      and to provide an example matlab scrpt for generating them
135    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
136    o pkg/salt_plume: clean up salt_plume_frac.F to
137      remove redundancy in PlumeMethod 1 and 4
138    o pkg/kpp: added saltplume diagnostics
139    o pkg/obcs and pkg/seaice:
140      - do not set uice and vice to zero when OB*icefile are unspecified
141      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
142      - moved seaice tracer obcs after call to seaice_growth
143    o pkg/salt_plume: added various options for salt plume depth
144      criterion and for vertical distribution of the salt
145    
146    checkpoint59l
147    o pkg/ptracers: new version of ptracers pickup:
148      read meta file and write only fields which are needed to restart.
149      ( same logic as main pickup file ; also using pickupStrictlyMatch )
150    o pkg/seaice:
151      - add timescale for melting due to warm mixed layer as a means of
152        setting SEAICE_availHeatFrac more conveniently
153      - add a CPP-flag/runtime parameter check for flooding algorithm
154      - reformulated availHeat in seaice_growth.F to be independent of AREA
155    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
156      unit changes
157    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
158    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
159      SX vector computer.
160    o pkg/seaice:
161      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
162        seaice forcing fields can now be read only through pkg/exf
163      - removed some unused halos
164    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
165    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
166      or U/VICE from U/VWIND before computing U/VSTRESS
167    
168    checkpoint59k
169    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
170      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
171    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
172      all experiments pass when compile with un-initialised var. checking option.
173    o added pkg/salt_plume
174    o script to test restart (for now, in MITgcm_contrib/jmc_script)
175    o pkg/seaice: new read/write pickup version.
176      read meta file and write only fields which are needed to restart.
177      ( same logic as main pickup file ; also using pickupStrictlyMatch )
178    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
179    o lab_sea.hb87: modify the domain & update output.hb87.txt :
180      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
181      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
182      process. Fixed here by closing the domain at the Northern boundary.
183    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
184    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
185      a set of consecutive levels in/from a 3-D array.
186    o pkg/ptracers:
187      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
188      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
189    
190    checkpoint59j
191    o in pkgs: dic, obcs, offline, rbcs:
192      standard way to compute coeff. for time interpolation between 2 time reccords
193      which retains full precision (& make results less dependent on compiler).
194      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
195    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
196      packages instead of reading ice cover and wind speed separately
197    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
198     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
199      to allow to compile customized code before the update)
200    o cleaning-up:
201      - fix CPP instruction syntax in pkg/obcs
202      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
203        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
204      - fix some threads issue in IO parts.
205    o pkg/dic:
206      - add tons of "_d 0" (--> much better testreports !)
207       and then update outputs of tutorial_global_oce_biogeo
208    o pkg/mom_fluxform:
209      add a special version of momentum advection intended to conserve momentum
210      next to a bathymetry step or a coastline edge. (default = off = #undef)
211    o new read/write pickup version:
212      - for now, only implemented for main (mdsio) pickup file.
213      - write out only what is needed to restart; merge pickup_nh , pickup_ph
214        and main pickup together.
215      - read meta file; read only what is needed to restart; stop if a field
216        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
217        if it make sense (even if the restart is not perfect).
218      - if no meta file, assume that pickup to read corresponds exactly to
219        a pickup that would currently be written.
220      - read pickup written in the old format (until checkpoint59i) if it
221        recognizes an old meta file (no field-list).
222      - add a meta file in exp. which starts from a pickup: 2 cases:
223        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
224         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
225        b) a meta file describing the content of the associated pickup file
226         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
227    o pkg/mdsio & pkg/rw:
228      - new routine to read a meta file ; new set of routine to read
229        Multiple-fields file (with meta file).
230    o added open boundary conditions capability for seaice
231        HSNOW, HSALT, UICE, and VICE
232    
233    checkpoint59i
234    o adjoint:
235      * fix multiDimAdvection adjoint
236        (partial recomputation problem by TAF for fVerT(:,:,kDown)
237        and comlev1 size definition (maxpass vs. max. number of tracers)
238      * verification/global_ocean.90x45x15 adjoint now tests
239        NLFS and multiDimAdvection using DST3 (=30)
240      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
241    o pkg/kpp: add "_d 0" to real constant (if missing);
242      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
243      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
244    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
245      for internal parameters related to restart process (formerly from PARAMS.h)
246      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
247    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
248      as argument. (only atm2d & obcs write_pickup have not yet been updated)
249    o pkg/monitor:
250      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
251      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
252      - account for deep Atmosphere factor and density factor (anelastic)
253    o added open boundary conditions capability for seaice HEFF and AREA
254  o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)  o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
255    thermodynamics    thermodynamics
256    - requires a little reorganization, which affects the testreport results    - requires a little reorganization, which affects the testreport results
257      of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,      of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
258      so that now the conservative form is tested      so that now the conservative form is tested
259    - add a few comments    - add a few comments
260  o add missing cvs $Header$ or $Name$ in eesupp/*, pkg/* & verification/code*  o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
261  o add a little bit of code to gad_os7mp_adv_?.F to help vectorization  o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
262  o add new diagnostics to seaice: advective, diffusive fluxes (only for  o add new diagnostics to seaice: advective, diffusive fluxes (only for
263    multidim-advection, for scheme 2 they are not filled) and transports,    multidim-advection, for scheme 2 they are not filled) and transports,
264    thermodynamic growth rates    thermodynamic growth rates
265  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)
266    leave input file unchanged. Affects results @ truncation level (cg2d match)    from m/s to kg/m2/s (mass flux) but leave input file unchanged.
267    and update output of experiments: lab_sea(6), global_ocean.90x40x15(10),    Affects results @ truncation level (cg2d match) and update output of
268       experiments: lab_sea(6), global_ocean.90x40x15(10),
269    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)
270    + adjoint results: global_ocean_ebm(11) and lab_sea (12).    + adjoint results: global_ocean_ebm(11) and lab_sea (12).
271      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
272    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
273    
274  checkpoint59h  checkpoint59h

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