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revision 1.2213 by mlosch, Thu Dec 17 11:39:20 2015 UTC revision 1.2239 by jmc, Mon Mar 14 13:31:47 2016 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/seaice: fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects  checkpoint65u (2016/03/14)
8    the JFNK solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice  o pkg/generic_advdiff:
9    -> updated    - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
10  o pkg/seaice:      with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
11    - fix a bug in computing areaS in (J-J -> J-1) that affects runs      Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
12        testing and not for actual use.
13    o model/src:
14      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
15        origin r = rF(1);
16      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
17        in EOS for height coordinate: enable to include NH Pressure or to use
18        more accurate pressure vertical profile; options not linked to EOS type
19        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
20      - start to implement variable gravity (along vertical): for now, only with
21        z-coords (not even z*).
22      - add Ideal Gas equation of state for height coordinate.
23      - update OpenAD output (affected at machine truncation level) of exp:
24        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
25    o pkg/exf:
26      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
27        of exf interpolation (before any rescaling, rotation or interpolation
28        to velocity point) for each field that gets loaded from file. This option
29        identically mimics the input file organization (e.g. record numbers in year
30        by year input files) besides the change in horizontal grid.
31      - add rotateStressOnAgrid run-time switch so that wind stress fields
32        can be provided on the A-grid in zonal/meridional direction and
33        rotated on the fly. This only applies to the case when the exf
34        interpolation is off and rotateStressOnAgrid is false by default.
35    o model/src:
36      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
37        it's also used with pkg/atm_phys) and add few more parameters (but still
38        inactive, src code yet to come)
39    
40    checkpoint65t (2016/02/10)
41    o pkg/atm_phys:
42      - from Ruth Geen: add optical depth dependence on CO2 concentration.
43    o model/src:
44      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
45        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
46        Update output of exp. deep_anelastic (changes at truncation level).
47    o tools:
48      - add a hack in "remove_comments_sed" (used only with TAF) for recent
49        version of OpenMPI (shipped with FC.23): comment out the new header
50        file "mpif-sizeof.h" which causes problems to TAF.
51    o pkg/seaice:
52      - change the termination criterion so that maxits (SEAICElinearIterMax)
53        has an effect
54      - unify iteration parameters for implicit solvers (JFNK and Picard)
55        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
56        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
57        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
58        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
59        SEAICEnonLinTol     replaces JFNKgamma_nonlin
60      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
61      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
62        use with SEAICEuseKrylov
63    o pkg/seaice/seaice_lsr.F
64        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
65        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
66        an effect.
67    o pkg/seaice: add two new parameters
68      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
69        parameter is not in any namelist)
70      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
71        a preconditioner for the non-linear Newton iteration of the JFNK
72        solver
73    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
74      affects some experiments at truncation level:
75      - global_ocean.cs32x15.icedyn (11 digits),
76      - global_ocean.cs32x15.seaice (11 digits),
77      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
78      - also update global_ocean.cs32x15 adjoint and tangent-linear results
79    o pkg/salt_plume & pkg/thsice:
80      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
81        connect salt_plume flux to ATM-OCN coupling pkgs interface:
82       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
83         export to coupler interface) even without compiling pkg/salt_plume ;
84       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
85         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
86    o pkg/dic:
87      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
88        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
89        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
90      - move also update with values from ATM-OCN Coupler in the same new S/R
91        (previously done in ocn_apply_import.F).
92    o tools/adjoint_options:
93      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
94        has been changed on Jan 14, 2016.
95    o pkg/ggl90:
96      - add alternative discretisation of vertical shear (off by default), to
97        compute the mean (@ grid-cell center) of vertical shear compon instead of
98        vertical shear of mean flow (@ grid-cell center).
99      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
100        results on adjacent faces of cubed-sphere grids; this fix the restart.
101    o pkg/atm_compon_interf:
102      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
103        pass last value, stored directly before export to CPL ;
104        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
105      - remove atmSLPr from pickup files (no longer needed for restart)
106    
107    checkpoint65s (2016/01/13)
108    o eesupp & genmake2:
109       - first check for Function ETIME and, if it fails, then check for subroutine
110         ETIME and consistent output; use the appropriate version in timers.F
111    o model/src:
112      - to check restart test, add option to apply EXCH to U,V earlier, just before
113        integr_continuity; turned off by default.
114    o pkg/dic:
115      - remove CPP option USE_ATMOSCO2 (not needed)
116    o tools/tst_2+2:
117      - try to ignore difference between +0 and -0 in binary file, causing test
118        to fail for no good reason.
119    o eesupp & genmake2:
120      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
121        but also check (in genmake2) that test runs and returns meaningful results.
122    o coupler pkgs:
123      Finish implementation of optionally-exchanged variable switches (started on
124       Nov 12) with addition of few more exchanged fields, including 2-way exchange
125       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
126       advection in OCN component; this requires sequential coupling.
127      coupler (pkg/atm_ocn_coupler):
128      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
129        routines (useful for debug).
130      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
131         flux, DIC fields) if corresponding switch is ON.
132      - add option to export RunOff to OCN (to use for DIC river input)
133      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
134      components (pkg/atm_ & ocn_compon_interf):
135      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
136        optionally exchanged fields; add a check & stop in cpl_readparms.F.
137        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
138        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
139      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
140        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
141      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
142      - hold in common block coupler optionally-exchanged variable switch
143        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
144      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
145        this is intended to replace the OCN cplFldtave.* output files (not updated
146        to contain new additional exchanged fields).
147    o pkg/dic:
148      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
149    o pkg/thsice:
150      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
151        and writing of thsice pickup files.
152    o pkg/atm_compon_interf:
153      - move all field individual export-call out of cpl_export_import_data.F
154        into new S/R ATM_EXPORT_FIELDS
155    o pkg/atm_compon_interf:
156      - store state variables (for now, only thSIce fields) just before beeing
157        exported (in cpl_export_import_data.F, like on ocean side) instead of from
158        atm_store_my_data.F like all exported fluxes.
159      - new version of pickup_cpl: write field names into meta file and read meta
160        file to find field postion in pickup. Also only write/read fields meeded for
161        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
162    o pkg/dic:
163      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
164    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
165        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
166        value can be from domain [0,1] to average between the two methods
167    o pkg/atm_phys:
168      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
169        hold fixed in time).
170    
171    checkpoint65r (2015/12/21)
172    o pkg/seaice:
173        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
174        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
175    o pkg/seaice:
176      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
177      when SEAICEscaleSurfStress=.TRUE.,      when SEAICEscaleSurfStress=.TRUE.,
178    - apply areaW and areaS in S/R seaice_calc_lhs    - apply areaW and areaS in S/R seaice_calc_lhs
179  o pkg/atm_phys:  o pkg/atm_phys:
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