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revision 1.886 by jmc, Mon Oct 1 19:30:47 2007 UTC revision 1.970 by jmc, Sat Apr 5 21:37:08 2008 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7  o change units of EmPmR (inside the code) from m/s to kg/m2/s (mass flux) but  o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
8    leave input file unchanged. Affects results @ truncation level (cg2d match)    and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
9    and update output of experiments: lab_sea(6), global_ocean.90x40x15(10),  o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
10     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
11       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
12    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
13       scheme to use for vorticty-term ;
14     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
15       (with default selectVortScheme, return to original discretisation)
16     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
17    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
18    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
19      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
20      also fix diagnostics VISCAHW & VISCA4W.
21    
22    checkpoint59o
23    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
24    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
25      move a few statemens out the main loop into separate loops
26    o pkg/shelfice:
27      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
28        (kg/m^2/s), does not break tests, because in verification/isomip,
29        rhoConstFresh=rhoConst (by accident)
30      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
31      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
32        new file model/src/seawater.F, so that they are available for all pkgs.
33      - convert potential temperature into in-situ temperature. This changes the
34        isomip tests => update tests
35    o add a flag writePickupAtEnd (default=true) to be able to suppress
36      writing a pickup at the last timestep
37    o tools/mpack-1.6 :
38      - disable automake (not working) and autoconf (not needed).
39      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
40        also cleaner with much less compilation warnings.
41    o pkg/profiles:
42      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
43      (for "less than 32 characters name" compiler requirement)
44    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
45      conditions that have a different sampling frequency than S/T/U/V obcs
46    o pkg/diagnostics (stats-diags):
47      - fix global Min/Max in case 1 processor get only empty tiles
48    o genmake2: replace (4 times)
49         make genmake_tc_1.o >> genmake_warnings 2>&1
50      with
51         COMM="$CC $CFLAGS -c genmake_tc_1.c"
52         echo $COMM >> genmake_warnings
53         $COMM >> genmake_warnings 2>&1
54      to make genmake2 always see the value of CC as specified in the optfile.
55    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
56      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
57      - modify verification advect_cs test to test SOM-advection on CS-grid.
58    o pkg/ctrl:
59      - Rewrite of ctrl_map_ini_ecco.F,
60        introducing a generic routine (ctrl_map_ini_gen.F).
61      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
62    
63    checkpoint59n
64    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
65      number in dedicate array "hdiag":
66      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
67        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
68      - many small changes (integer format) for large number of diagnostics
69      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
70        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
71    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
72      usingSphericalGrid, this allows to define the rotated grid coordinates
73      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
74      geographical coordinates according to the inverse of the rotation defined
75      by the Euler angles, so that Coriolis parameter and online-interpolation by
76      exf works with the geographical coordinates on XC/YC/XG/YG.
77      Naturally, this feature does not work with all packages, so some
78      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
79      profiles), because there the coordinates are assumed to be regular
80      spherical grid coordinates.
81    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
82      - introduce isopycnal diffusion coefficient control.
83    o tools/adjoint_options:
84      - additional control vector components.
85    o pkg/mnc: have mnc create marginally meaning full coordinate variables
86      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
87    o pkg/mypackage:
88      - add example of read/write pickup for state-var ;
89      - add entry points to the main code for state-vars diags & write-pickup.
90    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
91      transitions for useExfYearlyFields
92      - add new subroutine that determines the file to read from for
93        use*YearlyFields = .TRUE. and .FALSE.
94      - add a verification experiment to global_with_exf that tests
95        useExfYearlyFields with USE_EXF_INTERPOLATION defined
96    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
97      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
98      subroutines (which could be generated from a template, because they are
99      almost identical), for now they are included in obcs_prescribe_read.F for
100      simplicity
101    o pkg/exf:
102      - add a little more diagnostic to exf_interp_read (in analogy to
103        mds_read_field, can be turned off with debugLevel < debugLevA=1)
104      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
105        ugly but fast by unrolling short inner loops, inserting a unroll=8
106        directive in routine lagran, and splitting a loop and making do while the
107        outermost loop (the latter requires the intoduction of index arrays)
108    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
109    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
110      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
111    o verification/seaice_obcs: updated for restart test and latest options
112    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
113      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
114      for now this is only available for the C-grid code and also within
115      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
116    
117    checkpoint59m
118    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
119      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
120    o gad_som : fix flux output (& diagnostics) to have same units as other  
121      advection scheme fluxes (was previously multiplied by deltaT).  
122    o added verification/seaice_obcs both to test seaice open boundaries
123      and to provide an example matlab scrpt for generating them
124    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
125    o pkg/salt_plume: clean up salt_plume_frac.F to
126      remove redundancy in PlumeMethod 1 and 4
127    o pkg/kpp: added saltplume diagnostics
128    o pkg/obcs and pkg/seaice:
129      - do not set uice and vice to zero when OB*icefile are unspecified
130      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
131      - moved seaice tracer obcs after call to seaice_growth
132    o pkg/salt_plume: added various options for salt plume depth
133      criterion and for vertical distribution of the salt
134    
135    checkpoint59l
136    o pkg/ptracers: new version of ptracers pickup:
137      read meta file and write only fields which are needed to restart.
138      ( same logic as main pickup file ; also using pickupStrictlyMatch )
139    o pkg/seaice:
140      - add timescale for melting due to warm mixed layer as a means of
141        setting SEAICE_availHeatFrac more conveniently
142      - add a CPP-flag/runtime parameter check for flooding algorithm
143      - reformulated availHeat in seaice_growth.F to be independent of AREA
144    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
145      unit changes
146    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
147    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
148      SX vector computer.
149    o pkg/seaice:
150      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
151        seaice forcing fields can now be read only through pkg/exf
152      - removed some unused halos
153    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
154    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
155      or U/VICE from U/VWIND before computing U/VSTRESS
156    
157    checkpoint59k
158    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
159      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
160    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
161      all experiments pass when compile with un-initialised var. checking option.
162    o added pkg/salt_plume
163    o script to test restart (for now, in MITgcm_contrib/jmc_script)
164    o pkg/seaice: new read/write pickup version.
165      read meta file and write only fields which are needed to restart.
166      ( same logic as main pickup file ; also using pickupStrictlyMatch )
167    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
168    o lab_sea.hb87: modify the domain & update output.hb87.txt :
169      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
170      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
171      process. Fixed here by closing the domain at the Northern boundary.
172    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
173    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
174      a set of consecutive levels in/from a 3-D array.
175    o pkg/ptracers:
176      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
177      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
178    
179    checkpoint59j
180    o in pkgs: dic, obcs, offline, rbcs:
181      standard way to compute coeff. for time interpolation between 2 time reccords
182      which retains full precision (& make results less dependent on compiler).
183      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
184    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
185      packages instead of reading ice cover and wind speed separately
186    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
187     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
188      to allow to compile customized code before the update)
189    o cleaning-up:
190      - fix CPP instruction syntax in pkg/obcs
191      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
192        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
193      - fix some threads issue in IO parts.
194    o pkg/dic:
195      - add tons of "_d 0" (--> much better testreports !)
196       and then update outputs of tutorial_global_oce_biogeo
197    o pkg/mom_fluxform:
198      add a special version of momentum advection intended to conserve momentum
199      next to a bathymetry step or a coastline edge. (default = off = #undef)
200    o new read/write pickup version:
201      - for now, only implemented for main (mdsio) pickup file.
202      - write out only what is needed to restart; merge pickup_nh , pickup_ph
203        and main pickup together.
204      - read meta file; read only what is needed to restart; stop if a field
205        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
206        if it make sense (even if the restart is not perfect).
207      - if no meta file, assume that pickup to read corresponds exactly to
208        a pickup that would currently be written.
209      - read pickup written in the old format (until checkpoint59i) if it
210        recognizes an old meta file (no field-list).
211      - add a meta file in exp. which starts from a pickup: 2 cases:
212        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
213         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
214        b) a meta file describing the content of the associated pickup file
215         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
216    o pkg/mdsio & pkg/rw:
217      - new routine to read a meta file ; new set of routine to read
218        Multiple-fields file (with meta file).
219    o added open boundary conditions capability for seaice
220        HSNOW, HSALT, UICE, and VICE
221    
222    checkpoint59i
223    o adjoint:
224      * fix multiDimAdvection adjoint
225        (partial recomputation problem by TAF for fVerT(:,:,kDown)
226        and comlev1 size definition (maxpass vs. max. number of tracers)
227      * verification/global_ocean.90x45x15 adjoint now tests
228        NLFS and multiDimAdvection using DST3 (=30)
229      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
230    o pkg/kpp: add "_d 0" to real constant (if missing);
231      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
232      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
233    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
234      for internal parameters related to restart process (formerly from PARAMS.h)
235      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
236    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
237      as argument. (only atm2d & obcs write_pickup have not yet been updated)
238    o pkg/monitor:
239      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
240      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
241      - account for deep Atmosphere factor and density factor (anelastic)
242    o added open boundary conditions capability for seaice HEFF and AREA
243    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
244      thermodynamics
245      - requires a little reorganization, which affects the testreport results
246        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
247        so that now the conservative form is tested
248      - add a few comments
249    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
250    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
251    o add new diagnostics to seaice: advective, diffusive fluxes (only for
252      multidim-advection, for scheme 2 they are not filled) and transports,
253      thermodynamic growth rates
254    o change units of EmPmR (inside the code, + within coupling interface)
255      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
256      Affects results @ truncation level (cg2d match) and update output of
257       experiments: lab_sea(6), global_ocean.90x40x15(10),
258    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)
259    + adjoint results: global_ocean_ebm(11) and lab_sea (12).    + adjoint results: global_ocean_ebm(11) and lab_sea (12).
260      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
261    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
262    
263  checkpoint59h  checkpoint59h

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