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revision 1.892 by jmc, Mon Oct 15 00:30:04 2007 UTC revision 1.978 by jmc, Thu Apr 24 03:25:11 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 tutorial_deep_convection :
8      update the set-up and increase resolution and domain size ; start
9      from pseudo initial conditions = output at t=120mn in order to see
10      something happening when running testreport.
11    o pkg/seaice: add os7mp as an advection scheme
12                  add check for advection schemes
13                  add a flag for restoring T and S underneath sea ice
14    o pkg/my82: add netcdf-support and diagnostics
15    o thsice pkg:
16      - Now hsMax limits snow heitght by turning it into ice following
17        flooding scheme (and now conserving energy)
18      - Slight rewriting of the formula in thsice_calc_thick.F
19      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
20        --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
21    
22    checkpoint59p
23    o gchem / dic / cfc :
24      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
25      - add new parameter files: "data.dic" & "data.cfc" ;
26      - various re-arrangement in initialisation & header file ;
27      - fix tutorial_global_oce_biogeo for multi-threaded test.
28    o pkg/dic: test for "pickup_dic" file when restarting ;
29      if no pickup-file, can restart with a re-initialised pH (same as it did
30      before) providing pickupStrictlyMatch is set to False.
31    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
32      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
33    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
34      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
35    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
36     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
37       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
38    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
39       scheme to use for vorticty-term ;
40     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
41       (with default selectVortScheme, return to original discretisation)
42     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
43    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
44    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
45      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
46      also fix diagnostics VISCAHW & VISCA4W.
47    
48    checkpoint59o
49    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
50    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
51      move a few statemens out the main loop into separate loops
52    o pkg/shelfice:
53      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
54        (kg/m^2/s), does not break tests, because in verification/isomip,
55        rhoConstFresh=rhoConst (by accident)
56      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
57      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
58        new file model/src/seawater.F, so that they are available for all pkgs.
59      - convert potential temperature into in-situ temperature. This changes the
60        isomip tests => update tests
61    o add a flag writePickupAtEnd (default=true) to be able to suppress
62      writing a pickup at the last timestep
63    o tools/mpack-1.6 :
64      - disable automake (not working) and autoconf (not needed).
65      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
66        also cleaner with much less compilation warnings.
67    o pkg/profiles:
68      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
69      (for "less than 32 characters name" compiler requirement)
70    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
71      conditions that have a different sampling frequency than S/T/U/V obcs
72    o pkg/diagnostics (stats-diags):
73      - fix global Min/Max in case 1 processor get only empty tiles
74    o genmake2: replace (4 times)
75         make genmake_tc_1.o >> genmake_warnings 2>&1
76      with
77         COMM="$CC $CFLAGS -c genmake_tc_1.c"
78         echo $COMM >> genmake_warnings
79         $COMM >> genmake_warnings 2>&1
80      to make genmake2 always see the value of CC as specified in the optfile.
81    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
82      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
83      - modify verification advect_cs test to test SOM-advection on CS-grid.
84    o pkg/ctrl:
85      - Rewrite of ctrl_map_ini_ecco.F,
86        introducing a generic routine (ctrl_map_ini_gen.F).
87      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
88    
89    checkpoint59n
90    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
91      number in dedicate array "hdiag":
92      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
93        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
94      - many small changes (integer format) for large number of diagnostics
95      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
96        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
97    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
98      usingSphericalGrid, this allows to define the rotated grid coordinates
99      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
100      geographical coordinates according to the inverse of the rotation defined
101      by the Euler angles, so that Coriolis parameter and online-interpolation by
102      exf works with the geographical coordinates on XC/YC/XG/YG.
103      Naturally, this feature does not work with all packages, so some
104      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
105      profiles), because there the coordinates are assumed to be regular
106      spherical grid coordinates.
107    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
108      - introduce isopycnal diffusion coefficient control.
109    o tools/adjoint_options:
110      - additional control vector components.
111    o pkg/mnc: have mnc create marginally meaning full coordinate variables
112      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
113    o pkg/mypackage:
114      - add example of read/write pickup for state-var ;
115      - add entry points to the main code for state-vars diags & write-pickup.
116    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
117      transitions for useExfYearlyFields
118      - add new subroutine that determines the file to read from for
119        use*YearlyFields = .TRUE. and .FALSE.
120      - add a verification experiment to global_with_exf that tests
121        useExfYearlyFields with USE_EXF_INTERPOLATION defined
122    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
123      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
124      subroutines (which could be generated from a template, because they are
125      almost identical), for now they are included in obcs_prescribe_read.F for
126      simplicity
127    o pkg/exf:
128      - add a little more diagnostic to exf_interp_read (in analogy to
129        mds_read_field, can be turned off with debugLevel < debugLevA=1)
130      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
131        ugly but fast by unrolling short inner loops, inserting a unroll=8
132        directive in routine lagran, and splitting a loop and making do while the
133        outermost loop (the latter requires the intoduction of index arrays)
134    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
135    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
136      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
137    o verification/seaice_obcs: updated for restart test and latest options
138    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
139      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
140      for now this is only available for the C-grid code and also within
141      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
142    
143    checkpoint59m
144    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
145      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
146    o gad_som : fix flux output (& diagnostics) to have same units as other  
147      advection scheme fluxes (was previously multiplied by deltaT).  
148    o added verification/seaice_obcs both to test seaice open boundaries
149      and to provide an example matlab scrpt for generating them
150    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
151    o pkg/salt_plume: clean up salt_plume_frac.F to
152      remove redundancy in PlumeMethod 1 and 4
153    o pkg/kpp: added saltplume diagnostics
154    o pkg/obcs and pkg/seaice:
155      - do not set uice and vice to zero when OB*icefile are unspecified
156      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
157      - moved seaice tracer obcs after call to seaice_growth
158    o pkg/salt_plume: added various options for salt plume depth
159      criterion and for vertical distribution of the salt
160    
161    checkpoint59l
162    o pkg/ptracers: new version of ptracers pickup:
163      read meta file and write only fields which are needed to restart.
164      ( same logic as main pickup file ; also using pickupStrictlyMatch )
165    o pkg/seaice:
166      - add timescale for melting due to warm mixed layer as a means of
167        setting SEAICE_availHeatFrac more conveniently
168      - add a CPP-flag/runtime parameter check for flooding algorithm
169      - reformulated availHeat in seaice_growth.F to be independent of AREA
170    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
171      unit changes
172    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
173    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
174      SX vector computer.
175    o pkg/seaice:
176      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
177        seaice forcing fields can now be read only through pkg/exf
178      - removed some unused halos
179    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
180    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
181      or U/VICE from U/VWIND before computing U/VSTRESS
182    
183    checkpoint59k
184    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
185      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
186    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
187      all experiments pass when compile with un-initialised var. checking option.
188    o added pkg/salt_plume
189    o script to test restart (for now, in MITgcm_contrib/jmc_script)
190    o pkg/seaice: new read/write pickup version.
191      read meta file and write only fields which are needed to restart.
192      ( same logic as main pickup file ; also using pickupStrictlyMatch )
193    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
194    o lab_sea.hb87: modify the domain & update output.hb87.txt :
195      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
196      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
197      process. Fixed here by closing the domain at the Northern boundary.
198    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
199    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
200      a set of consecutive levels in/from a 3-D array.
201    o pkg/ptracers:
202      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
203      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
204    
205    checkpoint59j
206    o in pkgs: dic, obcs, offline, rbcs:
207      standard way to compute coeff. for time interpolation between 2 time reccords
208      which retains full precision (& make results less dependent on compiler).
209      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
210    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
211      packages instead of reading ice cover and wind speed separately
212    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
213     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
214      to allow to compile customized code before the update)
215    o cleaning-up:
216      - fix CPP instruction syntax in pkg/obcs
217      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
218        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
219      - fix some threads issue in IO parts.
220    o pkg/dic:
221      - add tons of "_d 0" (--> much better testreports !)
222       and then update outputs of tutorial_global_oce_biogeo
223    o pkg/mom_fluxform:
224      add a special version of momentum advection intended to conserve momentum
225      next to a bathymetry step or a coastline edge. (default = off = #undef)
226    o new read/write pickup version:
227      - for now, only implemented for main (mdsio) pickup file.
228      - write out only what is needed to restart; merge pickup_nh , pickup_ph
229        and main pickup together.
230      - read meta file; read only what is needed to restart; stop if a field
231        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
232        if it make sense (even if the restart is not perfect).
233      - if no meta file, assume that pickup to read corresponds exactly to
234        a pickup that would currently be written.
235      - read pickup written in the old format (until checkpoint59i) if it
236        recognizes an old meta file (no field-list).
237      - add a meta file in exp. which starts from a pickup: 2 cases:
238        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
239         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
240        b) a meta file describing the content of the associated pickup file
241         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
242    o pkg/mdsio & pkg/rw:
243      - new routine to read a meta file ; new set of routine to read
244        Multiple-fields file (with meta file).
245    o added open boundary conditions capability for seaice
246        HSNOW, HSALT, UICE, and VICE
247    
248    checkpoint59i
249    o adjoint:
250      * fix multiDimAdvection adjoint
251        (partial recomputation problem by TAF for fVerT(:,:,kDown)
252        and comlev1 size definition (maxpass vs. max. number of tracers)
253      * verification/global_ocean.90x45x15 adjoint now tests
254        NLFS and multiDimAdvection using DST3 (=30)
255      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
256    o pkg/kpp: add "_d 0" to real constant (if missing);
257      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
258      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
259    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
260      for internal parameters related to restart process (formerly from PARAMS.h)
261      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
262    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
263      as argument. (only atm2d & obcs write_pickup have not yet been updated)
264  o pkg/monitor:  o pkg/monitor:
265    - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM    - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
266    - 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 277  o add a little bit of code to gad_os7mp_
277  o add new diagnostics to seaice: advective, diffusive fluxes (only for  o add new diagnostics to seaice: advective, diffusive fluxes (only for
278    multidim-advection, for scheme 2 they are not filled) and transports,    multidim-advection, for scheme 2 they are not filled) and transports,
279    thermodynamic growth rates    thermodynamic growth rates
280  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)
281    leave input file unchanged. Affects results @ truncation level (cg2d match)    from m/s to kg/m2/s (mass flux) but leave input file unchanged.
282    and update output of experiments: lab_sea(6), global_ocean.90x40x15(10),    Affects results @ truncation level (cg2d match) and update output of
283       experiments: lab_sea(6), global_ocean.90x40x15(10),
284    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)
285    + adjoint results: global_ocean_ebm(11) and lab_sea (12).    + adjoint results: global_ocean_ebm(11) and lab_sea (12).
286      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
287    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
288    
289  checkpoint59h  checkpoint59h

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