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revision 1.2213 by mlosch, Thu Dec 17 11:39:20 2015 UTC revision 1.2238 by jmc, Sun Mar 13 02:41:59 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  o pkg/generic_advdiff:
8    the JFNK solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice    - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
9    -> updated      with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
10  o pkg/seaice:      Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
11    - fix a bug in computing areaS in (J-J -> J-1) that affects runs      testing and not for actual use.
12    o model/src:
13      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
14        origin r = rF(1);
15      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
16        in EOS for height coordinate: enable to include NH Pressure or to use
17        more accurate pressure vertical profile; options not linked to EOS type
18        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
19      - start to implement variable gravity (along vertical): for now, only with
20        z-coords (not even z*).
21      - add Ideal Gas equation of state for height coordinate.
22      - update OpenAD output (affected at machine truncation level) of exp:
23        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
24    o pkg/exf:
25      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
26        of exf interpolation (before any rescaling, rotation or interpolation
27        to velocity point) for each field that gets loaded from file. This option
28        identically mimics the input file organization (e.g. record numbers in year
29        by year input files) besides the change in horizontal grid.
30      - add rotateStressOnAgrid run-time switch so that wind stress fields
31        can be provided on the A-grid in zonal/meridional direction and
32        rotated on the fly. This only applies to the case when the exf
33        interpolation is off and rotateStressOnAgrid is false by default.
34    o model/src:
35      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
36        it's also used with pkg/atm_phys) and add few more parameters (but still
37        inactive, src code yet to come)
38    
39    checkpoint65t (2016/02/10)
40    o pkg/atm_phys:
41      - from Ruth Geen: add optical depth dependence on CO2 concentration.
42    o model/src:
43      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
44        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
45        Update output of exp. deep_anelastic (changes at truncation level).
46    o tools:
47      - add a hack in "remove_comments_sed" (used only with TAF) for recent
48        version of OpenMPI (shipped with FC.23): comment out the new header
49        file "mpif-sizeof.h" which causes problems to TAF.
50    o pkg/seaice:
51      - change the termination criterion so that maxits (SEAICElinearIterMax)
52        has an effect
53      - unify iteration parameters for implicit solvers (JFNK and Picard)
54        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
55        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
56        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
57        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
58        SEAICEnonLinTol     replaces JFNKgamma_nonlin
59      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
60      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
61        use with SEAICEuseKrylov
62    o pkg/seaice/seaice_lsr.F
63        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
64        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
65        an effect.
66    o pkg/seaice: add two new parameters
67      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
68        parameter is not in any namelist)
69      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
70        a preconditioner for the non-linear Newton iteration of the JFNK
71        solver
72    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
73      affects some experiments at truncation level:
74      - global_ocean.cs32x15.icedyn (11 digits),
75      - global_ocean.cs32x15.seaice (11 digits),
76      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
77      - also update global_ocean.cs32x15 adjoint and tangent-linear results
78    o pkg/salt_plume & pkg/thsice:
79      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
80        connect salt_plume flux to ATM-OCN coupling pkgs interface:
81       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
82         export to coupler interface) even without compiling pkg/salt_plume ;
83       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
84         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
85    o pkg/dic:
86      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
87        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
88        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
89      - move also update with values from ATM-OCN Coupler in the same new S/R
90        (previously done in ocn_apply_import.F).
91    o tools/adjoint_options:
92      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
93        has been changed on Jan 14, 2016.
94    o pkg/ggl90:
95      - add alternative discretisation of vertical shear (off by default), to
96        compute the mean (@ grid-cell center) of vertical shear compon instead of
97        vertical shear of mean flow (@ grid-cell center).
98      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
99        results on adjacent faces of cubed-sphere grids; this fix the restart.
100    o pkg/atm_compon_interf:
101      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
102        pass last value, stored directly before export to CPL ;
103        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
104      - remove atmSLPr from pickup files (no longer needed for restart)
105    
106    checkpoint65s (2016/01/13)
107    o eesupp & genmake2:
108       - first check for Function ETIME and, if it fails, then check for subroutine
109         ETIME and consistent output; use the appropriate version in timers.F
110    o model/src:
111      - to check restart test, add option to apply EXCH to U,V earlier, just before
112        integr_continuity; turned off by default.
113    o pkg/dic:
114      - remove CPP option USE_ATMOSCO2 (not needed)
115    o tools/tst_2+2:
116      - try to ignore difference between +0 and -0 in binary file, causing test
117        to fail for no good reason.
118    o eesupp & genmake2:
119      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
120        but also check (in genmake2) that test runs and returns meaningful results.
121    o coupler pkgs:
122      Finish implementation of optionally-exchanged variable switches (started on
123       Nov 12) with addition of few more exchanged fields, including 2-way exchange
124       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
125       advection in OCN component; this requires sequential coupling.
126      coupler (pkg/atm_ocn_coupler):
127      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
128        routines (useful for debug).
129      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
130         flux, DIC fields) if corresponding switch is ON.
131      - add option to export RunOff to OCN (to use for DIC river input)
132      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
133      components (pkg/atm_ & ocn_compon_interf):
134      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
135        optionally exchanged fields; add a check & stop in cpl_readparms.F.
136        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
137        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
138      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
139        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
140      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
141      - hold in common block coupler optionally-exchanged variable switch
142        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
143      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
144        this is intended to replace the OCN cplFldtave.* output files (not updated
145        to contain new additional exchanged fields).
146    o pkg/dic:
147      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
148    o pkg/thsice:
149      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
150        and writing of thsice pickup files.
151    o pkg/atm_compon_interf:
152      - move all field individual export-call out of cpl_export_import_data.F
153        into new S/R ATM_EXPORT_FIELDS
154    o pkg/atm_compon_interf:
155      - store state variables (for now, only thSIce fields) just before beeing
156        exported (in cpl_export_import_data.F, like on ocean side) instead of from
157        atm_store_my_data.F like all exported fluxes.
158      - new version of pickup_cpl: write field names into meta file and read meta
159        file to find field postion in pickup. Also only write/read fields meeded for
160        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
161    o pkg/dic:
162      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
163    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
164        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
165        value can be from domain [0,1] to average between the two methods
166    o pkg/atm_phys:
167      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
168        hold fixed in time).
169    
170    checkpoint65r (2015/12/21)
171    o pkg/seaice:
172        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
173        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
174    o pkg/seaice:
175      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
176      when SEAICEscaleSurfStress=.TRUE.,      when SEAICEscaleSurfStress=.TRUE.,
177    - apply areaW and areaS in S/R seaice_calc_lhs    - apply areaW and areaS in S/R seaice_calc_lhs
178  o pkg/atm_phys:  o pkg/atm_phys:
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