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revision 1.2211 by mlosch, Wed Dec 16 12:16:46 2015 UTC revision 1.2246 by mlosch, Tue Apr 26 11:10:45 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 a bug computing areaS in seaice_calc_lhs/rhs (J-J -> J-1)  o pkg/seaice:
8    that affects runs when SEAICEscaleSurfStress=.TRUE. (only for JFNK)    - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
9    o pkg/seaice:
10      - add basal stress as parameterisation for grounding ice
11        following Lemieux et al. (2015)
12      - turn on by setting new parameter SEAICEbasalDragK2 to a value
13        larger than 0. Lemieux et al. (2015) recommend 15.
14      - The adjoint complains with extra recomputations so there is also a
15        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
16        order to postpone the problem
17      - compile the new code in lab_sea
18    o verification/halfpipe_streamice:
19      - update both TAF and OpenAD adm output (machine truncation differences)
20    
21    checkpoint65v (2016/04/08)
22    o verification/advect_xz:
23      - increase overlap size from 3 to 4 and add new secondary test for PQM
24        advection scheme (with mono & wino limiter).
25      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
26    o model/src:
27      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
28        added phi0Ref) to set vertical axis origin and phiRef origin;
29        keep Ro_SeaLevel for backward compatibility (with a warning).
30       According to coordinate and fluid type:
31        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
32        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
33        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
34        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
35      - remove Ro_SeaLevel from ATM experiment parameter files;
36      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
37        complement; update output.txt (changes at machine truncation level).
38    o pkg/seaice/seaice_evp.F
39      - simplify computation of deltaZ and zetaZ to simple averaging following
40        Bouillon et al. (2013). This removes a lot of code, but also changes
41        verification experiment lab_sea.hb87 -> updated
42    
43    checkpoint65u (2016/03/14)
44    o pkg/generic_advdiff:
45      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
46        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
47        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
48        testing and not for actual use.
49    o model/src:
50      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
51        origin r = rF(1);
52      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
53        in EOS for height coordinate: enable to include NH Pressure or to use
54        more accurate pressure vertical profile; options not linked to EOS type
55        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
56      - start to implement variable gravity (along vertical): for now, only with
57        z-coords (not even z*).
58      - add Ideal Gas equation of state for height coordinate.
59      - update OpenAD output (affected at machine truncation level) of exp:
60        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
61    o pkg/exf:
62      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
63        of exf interpolation (before any rescaling, rotation or interpolation
64        to velocity point) for each field that gets loaded from file. This option
65        identically mimics the input file organization (e.g. record numbers in year
66        by year input files) besides the change in horizontal grid.
67      - add rotateStressOnAgrid run-time switch so that wind stress fields
68        can be provided on the A-grid in zonal/meridional direction and
69        rotated on the fly. This only applies to the case when the exf
70        interpolation is off and rotateStressOnAgrid is false by default.
71    o model/src:
72      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
73        it's also used with pkg/atm_phys) and add few more parameters (but still
74        inactive, src code yet to come)
75    
76    checkpoint65t (2016/02/10)
77    o pkg/atm_phys:
78      - from Ruth Geen: add optical depth dependence on CO2 concentration.
79    o model/src:
80      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
81        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
82        Update output of exp. deep_anelastic (changes at truncation level).
83    o tools:
84      - add a hack in "remove_comments_sed" (used only with TAF) for recent
85        version of OpenMPI (shipped with FC.23): comment out the new header
86        file "mpif-sizeof.h" which causes problems to TAF.
87    o pkg/seaice:
88      - change the termination criterion so that maxits (SEAICElinearIterMax)
89        has an effect
90      - unify iteration parameters for implicit solvers (JFNK and Picard)
91        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
92        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
93        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
94        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
95        SEAICEnonLinTol     replaces JFNKgamma_nonlin
96      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
97      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
98        use with SEAICEuseKrylov
99    o pkg/seaice/seaice_lsr.F
100        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
101        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
102        an effect.
103    o pkg/seaice: add two new parameters
104      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
105        parameter is not in any namelist)
106      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
107        a preconditioner for the non-linear Newton iteration of the JFNK
108        solver
109    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
110      affects some experiments at truncation level:
111      - global_ocean.cs32x15.icedyn (11 digits),
112      - global_ocean.cs32x15.seaice (11 digits),
113      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
114      - also update global_ocean.cs32x15 adjoint and tangent-linear results
115    o pkg/salt_plume & pkg/thsice:
116      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
117        connect salt_plume flux to ATM-OCN coupling pkgs interface:
118       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
119         export to coupler interface) even without compiling pkg/salt_plume ;
120       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
121         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
122    o pkg/dic:
123      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
124        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
125        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
126      - move also update with values from ATM-OCN Coupler in the same new S/R
127        (previously done in ocn_apply_import.F).
128    o tools/adjoint_options:
129      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
130        has been changed on Jan 14, 2016.
131    o pkg/ggl90:
132      - add alternative discretisation of vertical shear (off by default), to
133        compute the mean (@ grid-cell center) of vertical shear compon instead of
134        vertical shear of mean flow (@ grid-cell center).
135      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
136        results on adjacent faces of cubed-sphere grids; this fix the restart.
137    o pkg/atm_compon_interf:
138      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
139        pass last value, stored directly before export to CPL ;
140        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
141      - remove atmSLPr from pickup files (no longer needed for restart)
142    
143    checkpoint65s (2016/01/13)
144    o eesupp & genmake2:
145       - first check for Function ETIME and, if it fails, then check for subroutine
146         ETIME and consistent output; use the appropriate version in timers.F
147    o model/src:
148      - to check restart test, add option to apply EXCH to U,V earlier, just before
149        integr_continuity; turned off by default.
150    o pkg/dic:
151      - remove CPP option USE_ATMOSCO2 (not needed)
152    o tools/tst_2+2:
153      - try to ignore difference between +0 and -0 in binary file, causing test
154        to fail for no good reason.
155    o eesupp & genmake2:
156      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
157        but also check (in genmake2) that test runs and returns meaningful results.
158    o coupler pkgs:
159      Finish implementation of optionally-exchanged variable switches (started on
160       Nov 12) with addition of few more exchanged fields, including 2-way exchange
161       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
162       advection in OCN component; this requires sequential coupling.
163      coupler (pkg/atm_ocn_coupler):
164      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
165        routines (useful for debug).
166      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
167         flux, DIC fields) if corresponding switch is ON.
168      - add option to export RunOff to OCN (to use for DIC river input)
169      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
170      components (pkg/atm_ & ocn_compon_interf):
171      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
172        optionally exchanged fields; add a check & stop in cpl_readparms.F.
173        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
174        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
175      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
176        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
177      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
178      - hold in common block coupler optionally-exchanged variable switch
179        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
180      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
181        this is intended to replace the OCN cplFldtave.* output files (not updated
182        to contain new additional exchanged fields).
183    o pkg/dic:
184      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
185    o pkg/thsice:
186      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
187        and writing of thsice pickup files.
188    o pkg/atm_compon_interf:
189      - move all field individual export-call out of cpl_export_import_data.F
190        into new S/R ATM_EXPORT_FIELDS
191    o pkg/atm_compon_interf:
192      - store state variables (for now, only thSIce fields) just before beeing
193        exported (in cpl_export_import_data.F, like on ocean side) instead of from
194        atm_store_my_data.F like all exported fluxes.
195      - new version of pickup_cpl: write field names into meta file and read meta
196        file to find field postion in pickup. Also only write/read fields meeded for
197        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
198    o pkg/dic:
199      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
200    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
201        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
202        value can be from domain [0,1] to average between the two methods
203    o pkg/atm_phys:
204      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
205        hold fixed in time).
206    
207    checkpoint65r (2015/12/21)
208    o pkg/seaice:
209        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
210        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
211    o pkg/seaice:
212      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
213        when SEAICEscaleSurfStress=.TRUE.,
214      - apply areaW and areaS in S/R seaice_calc_lhs
215  o pkg/atm_phys:  o pkg/atm_phys:
216    - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes    - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
217      (shortwave & longwave, net & downward) and diagnostics of temp. tendency      (shortwave & longwave, net & downward) and diagnostics of temp. tendency

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