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revision 1.878 by jmc, Tue Sep 18 21:29:09 2007 UTC revision 1.959 by dimitri, Fri Feb 22 20:25:54 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 pkg/obcs and pkg/exf: added capability to specify seaice open boundary
8      conditions that have a different sampling frequency than S/T/U/V obcs
9    o pkg/diagnostics (stats-diags):
10      - fix global Min/Max in case 1 processor get only empty tiles
11    o genmake2: replace (4 times)
12         make genmake_tc_1.o >> genmake_warnings 2>&1
13      with
14         COMM="$CC $CFLAGS -c genmake_tc_1.c"
15         echo $COMM >> genmake_warnings
16         $COMM >> genmake_warnings 2>&1
17      to make genmake2 always see the value of CC as specified in the optfile.
18    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
19      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
20      - modify verification advect_cs test to test SOM-advection on CS-grid.
21    o pkg/ctrl:
22      - Rewrite of ctrl_map_ini_ecco.F,
23        introducing a generic routine (ctrl_map_ini_gen.F).
24      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
25    
26    checkpoint59n
27    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
28      number in dedicate array "hdiag":
29      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
30        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
31      - many small changes (integer format) for large number of diagnostics
32      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
33        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
34    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
35      usingSphericalGrid, this allows to define the rotated grid coordinates
36      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
37      geographical coordinates according to the inverse of the rotation defined
38      by the Euler angles, so that Coriolis parameter and online-interpolation by
39      exf works with the geographical coordinates on XC/YC/XG/YG.
40      Naturally, this feature does not work with all packages, so some
41      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
42      profiles), because there the coordinates are assumed to be regular
43      spherical grid coordinates.
44    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
45      - introduce isopycnal diffusion coefficient control.
46    o tools/adjoint_options:
47      - additional control vector components.
48    o pkg/mnc: have mnc create marginally meaning full coordinate variables
49      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
50    o pkg/mypackage:
51      - add example of read/write pickup for state-var ;
52      - add entry points to the main code for state-vars diags & write-pickup.
53    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
54      transitions for useExfYearlyFields
55      - add new subroutine that determines the file to read from for
56        use*YearlyFields = .TRUE. and .FALSE.
57      - add a verification experiment to global_with_exf that tests
58        useExfYearlyFields with USE_EXF_INTERPOLATION defined
59    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
60      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
61      subroutines (which could be generated from a template, because they are
62      almost identical), for now they are included in obcs_prescribe_read.F for
63      simplicity
64    o pkg/exf:
65      - add a little more diagnostic to exf_interp_read (in analogy to
66        mds_read_field, can be turned off with debugLevel < debugLevA=1)
67      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
68        ugly but fast by unrolling short inner loops, inserting a unroll=8
69        directive in routine lagran, and splitting a loop and making do while the
70        outermost loop (the latter requires the intoduction of index arrays)
71    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
72    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
73      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
74    o verification/seaice_obcs: updated for restart test and latest options
75    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
76      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
77      for now this is only available for the C-grid code and also within
78      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
79    
80    checkpoint59m
81    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
82      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
83    o gad_som : fix flux output (& diagnostics) to have same units as other  
84      advection scheme fluxes (was previously multiplied by deltaT).  
85    o added verification/seaice_obcs both to test seaice open boundaries
86      and to provide an example matlab scrpt for generating them
87    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
88    o pkg/salt_plume: clean up salt_plume_frac.F to
89      remove redundancy in PlumeMethod 1 and 4
90    o pkg/kpp: added saltplume diagnostics
91    o pkg/obcs and pkg/seaice:
92      - do not set uice and vice to zero when OB*icefile are unspecified
93      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
94      - moved seaice tracer obcs after call to seaice_growth
95    o pkg/salt_plume: added various options for salt plume depth
96      criterion and for vertical distribution of the salt
97    
98    checkpoint59l
99    o pkg/ptracers: new version of ptracers pickup:
100      read meta file and write only fields which are needed to restart.
101      ( same logic as main pickup file ; also using pickupStrictlyMatch )
102    o pkg/seaice:
103      - add timescale for melting due to warm mixed layer as a means of
104        setting SEAICE_availHeatFrac more conveniently
105      - add a CPP-flag/runtime parameter check for flooding algorithm
106      - reformulated availHeat in seaice_growth.F to be independent of AREA
107    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
108      unit changes
109    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
110    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
111      SX vector computer.
112    o pkg/seaice:
113      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
114        seaice forcing fields can now be read only through pkg/exf
115      - removed some unused halos
116    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
117    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
118      or U/VICE from U/VWIND before computing U/VSTRESS
119    
120    checkpoint59k
121    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
122      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
123    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
124      all experiments pass when compile with un-initialised var. checking option.
125    o added pkg/salt_plume
126    o script to test restart (for now, in MITgcm_contrib/jmc_script)
127    o pkg/seaice: new read/write pickup version.
128      read meta file and write only fields which are needed to restart.
129      ( same logic as main pickup file ; also using pickupStrictlyMatch )
130    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
131    o lab_sea.hb87: modify the domain & update output.hb87.txt :
132      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
133      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
134      process. Fixed here by closing the domain at the Northern boundary.
135    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
136    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
137      a set of consecutive levels in/from a 3-D array.
138    o pkg/ptracers:
139      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
140      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
141    
142    checkpoint59j
143    o in pkgs: dic, obcs, offline, rbcs:
144      standard way to compute coeff. for time interpolation between 2 time reccords
145      which retains full precision (& make results less dependent on compiler).
146      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
147    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
148      packages instead of reading ice cover and wind speed separately
149    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
150     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
151      to allow to compile customized code before the update)
152    o cleaning-up:
153      - fix CPP instruction syntax in pkg/obcs
154      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
155        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
156      - fix some threads issue in IO parts.
157    o pkg/dic:
158      - add tons of "_d 0" (--> much better testreports !)
159       and then update outputs of tutorial_global_oce_biogeo
160    o pkg/mom_fluxform:
161      add a special version of momentum advection intended to conserve momentum
162      next to a bathymetry step or a coastline edge. (default = off = #undef)
163    o new read/write pickup version:
164      - for now, only implemented for main (mdsio) pickup file.
165      - write out only what is needed to restart; merge pickup_nh , pickup_ph
166        and main pickup together.
167      - read meta file; read only what is needed to restart; stop if a field
168        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
169        if it make sense (even if the restart is not perfect).
170      - if no meta file, assume that pickup to read corresponds exactly to
171        a pickup that would currently be written.
172      - read pickup written in the old format (until checkpoint59i) if it
173        recognizes an old meta file (no field-list).
174      - add a meta file in exp. which starts from a pickup: 2 cases:
175        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
176         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
177        b) a meta file describing the content of the associated pickup file
178         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
179    o pkg/mdsio & pkg/rw:
180      - new routine to read a meta file ; new set of routine to read
181        Multiple-fields file (with meta file).
182    o added open boundary conditions capability for seaice
183        HSNOW, HSALT, UICE, and VICE
184    
185    checkpoint59i
186    o adjoint:
187      * fix multiDimAdvection adjoint
188        (partial recomputation problem by TAF for fVerT(:,:,kDown)
189        and comlev1 size definition (maxpass vs. max. number of tracers)
190      * verification/global_ocean.90x45x15 adjoint now tests
191        NLFS and multiDimAdvection using DST3 (=30)
192      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
193    o pkg/kpp: add "_d 0" to real constant (if missing);
194      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
195      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
196    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
197      for internal parameters related to restart process (formerly from PARAMS.h)
198      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
199    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
200      as argument. (only atm2d & obcs write_pickup have not yet been updated)
201    o pkg/monitor:
202      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
203      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
204      - account for deep Atmosphere factor and density factor (anelastic)
205    o added open boundary conditions capability for seaice HEFF and AREA
206    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
207      thermodynamics
208      - requires a little reorganization, which affects the testreport results
209        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
210        so that now the conservative form is tested
211      - add a few comments
212    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
213    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
214    o add new diagnostics to seaice: advective, diffusive fluxes (only for
215      multidim-advection, for scheme 2 they are not filled) and transports,
216      thermodynamic growth rates
217    o change units of EmPmR (inside the code, + within coupling interface)
218      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
219      Affects results @ truncation level (cg2d match) and update output of
220       experiments: lab_sea(6), global_ocean.90x40x15(10),
221      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
222      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
223      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
224      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
225    
226    checkpoint59h
227    o pkg/exf:
228      - improve vectorization by moving if-statement out of loops in
229        exf_mapfields, exf_radiation
230      - exf_bulkformulae.F: introduce 2D fields and vectorize code
231    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
232    o testreport:
233      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
234        monitor & update offline_exf_seaice exp. output.
235      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
236    o pkg/seaice:
237      - bug fix in the evp solver: boundary conditions were affected be
238        masking of zMax/zMin (changes results)
239      - minor bug fix in boundary conditions in seaice_calc_strainrates
240        (changes results for no_slip)
241      - seaice_lsr.F: make interpolation of eta dependent on boundaries
242      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
243      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
244        stress formulation and no-slip boundary conditions
245  o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP  o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
246    in gad_calc_rhs.F ; add few safety stops in initialisation phase.    in gad_calc_rhs.F ; add few safety stops in initialisation phase.
247  o pkg/seaice: a first HSALT time stepping equation has been checked in  o pkg/seaice: a first HSALT time stepping equation has been checked in
# Line 292  o in FFIELDS.h: Line 530  o in FFIELDS.h:
530       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
531  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
532  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
533      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
534        are no longer updating the vertical diffusivity array
535        (passed as argument) but are (re-) setting those arrays.
536  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
537    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
538      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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