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revision 1.2213 by mlosch, Thu Dec 17 11:39:20 2015 UTC revision 1.2247 by jmc, Wed Apr 27 22:12:20 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 model/src:
8    the JFNK solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice    - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
9    -> updated  o pkg/seaice:
10  o pkg/seaice:    - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
11    - fix a bug in computing areaS in (J-J -> J-1) that affects runs  o pkg/seaice:
12      - add basal stress as parameterisation for grounding ice
13        following Lemieux et al. (2015)
14      - turn on by setting new parameter SEAICEbasalDragK2 to a value
15        larger than 0. Lemieux et al. (2015) recommend 15.
16      - The adjoint complains with extra recomputations so there is also a
17        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
18        order to postpone the problem
19      - compile the new code in lab_sea
20    o verification/halfpipe_streamice:
21      - update both TAF and OpenAD adm output (machine truncation differences)
22    
23    checkpoint65v (2016/04/08)
24    o verification/advect_xz:
25      - increase overlap size from 3 to 4 and add new secondary test for PQM
26        advection scheme (with mono & wino limiter).
27      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
28    o model/src:
29      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
30        added phi0Ref) to set vertical axis origin and phiRef origin;
31        keep Ro_SeaLevel for backward compatibility (with a warning).
32       According to coordinate and fluid type:
33        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
34        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
35        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
36        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
37      - remove Ro_SeaLevel from ATM experiment parameter files;
38      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
39        complement; update output.txt (changes at machine truncation level).
40    o pkg/seaice/seaice_evp.F
41      - simplify computation of deltaZ and zetaZ to simple averaging following
42        Bouillon et al. (2013). This removes a lot of code, but also changes
43        verification experiment lab_sea.hb87 -> updated
44    
45    checkpoint65u (2016/03/14)
46    o pkg/generic_advdiff:
47      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
48        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
49        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
50        testing and not for actual use.
51    o model/src:
52      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
53        origin r = rF(1);
54      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
55        in EOS for height coordinate: enable to include NH Pressure or to use
56        more accurate pressure vertical profile; options not linked to EOS type
57        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
58      - start to implement variable gravity (along vertical): for now, only with
59        z-coords (not even z*).
60      - add Ideal Gas equation of state for height coordinate.
61      - update OpenAD output (affected at machine truncation level) of exp:
62        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
63    o pkg/exf:
64      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
65        of exf interpolation (before any rescaling, rotation or interpolation
66        to velocity point) for each field that gets loaded from file. This option
67        identically mimics the input file organization (e.g. record numbers in year
68        by year input files) besides the change in horizontal grid.
69      - add rotateStressOnAgrid run-time switch so that wind stress fields
70        can be provided on the A-grid in zonal/meridional direction and
71        rotated on the fly. This only applies to the case when the exf
72        interpolation is off and rotateStressOnAgrid is false by default.
73    o model/src:
74      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
75        it's also used with pkg/atm_phys) and add few more parameters (but still
76        inactive, src code yet to come)
77    
78    checkpoint65t (2016/02/10)
79    o pkg/atm_phys:
80      - from Ruth Geen: add optical depth dependence on CO2 concentration.
81    o model/src:
82      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
83        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
84        Update output of exp. deep_anelastic (changes at truncation level).
85    o tools:
86      - add a hack in "remove_comments_sed" (used only with TAF) for recent
87        version of OpenMPI (shipped with FC.23): comment out the new header
88        file "mpif-sizeof.h" which causes problems to TAF.
89    o pkg/seaice:
90      - change the termination criterion so that maxits (SEAICElinearIterMax)
91        has an effect
92      - unify iteration parameters for implicit solvers (JFNK and Picard)
93        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
94        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
95        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
96        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
97        SEAICEnonLinTol     replaces JFNKgamma_nonlin
98      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
99      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
100        use with SEAICEuseKrylov
101    o pkg/seaice/seaice_lsr.F
102        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
103        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
104        an effect.
105    o pkg/seaice: add two new parameters
106      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
107        parameter is not in any namelist)
108      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
109        a preconditioner for the non-linear Newton iteration of the JFNK
110        solver
111    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
112      affects some experiments at truncation level:
113      - global_ocean.cs32x15.icedyn (11 digits),
114      - global_ocean.cs32x15.seaice (11 digits),
115      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
116      - also update global_ocean.cs32x15 adjoint and tangent-linear results
117    o pkg/salt_plume & pkg/thsice:
118      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
119        connect salt_plume flux to ATM-OCN coupling pkgs interface:
120       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
121         export to coupler interface) even without compiling pkg/salt_plume ;
122       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
123         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
124    o pkg/dic:
125      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
126        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
127        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
128      - move also update with values from ATM-OCN Coupler in the same new S/R
129        (previously done in ocn_apply_import.F).
130    o tools/adjoint_options:
131      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
132        has been changed on Jan 14, 2016.
133    o pkg/ggl90:
134      - add alternative discretisation of vertical shear (off by default), to
135        compute the mean (@ grid-cell center) of vertical shear compon instead of
136        vertical shear of mean flow (@ grid-cell center).
137      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
138        results on adjacent faces of cubed-sphere grids; this fix the restart.
139    o pkg/atm_compon_interf:
140      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
141        pass last value, stored directly before export to CPL ;
142        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
143      - remove atmSLPr from pickup files (no longer needed for restart)
144    
145    checkpoint65s (2016/01/13)
146    o eesupp & genmake2:
147       - first check for Function ETIME and, if it fails, then check for subroutine
148         ETIME and consistent output; use the appropriate version in timers.F
149    o model/src:
150      - to check restart test, add option to apply EXCH to U,V earlier, just before
151        integr_continuity; turned off by default.
152    o pkg/dic:
153      - remove CPP option USE_ATMOSCO2 (not needed)
154    o tools/tst_2+2:
155      - try to ignore difference between +0 and -0 in binary file, causing test
156        to fail for no good reason.
157    o eesupp & genmake2:
158      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
159        but also check (in genmake2) that test runs and returns meaningful results.
160    o coupler pkgs:
161      Finish implementation of optionally-exchanged variable switches (started on
162       Nov 12) with addition of few more exchanged fields, including 2-way exchange
163       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
164       advection in OCN component; this requires sequential coupling.
165      coupler (pkg/atm_ocn_coupler):
166      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
167        routines (useful for debug).
168      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
169         flux, DIC fields) if corresponding switch is ON.
170      - add option to export RunOff to OCN (to use for DIC river input)
171      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
172      components (pkg/atm_ & ocn_compon_interf):
173      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
174        optionally exchanged fields; add a check & stop in cpl_readparms.F.
175        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
176        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
177      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
178        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
179      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
180      - hold in common block coupler optionally-exchanged variable switch
181        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
182      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
183        this is intended to replace the OCN cplFldtave.* output files (not updated
184        to contain new additional exchanged fields).
185    o pkg/dic:
186      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
187    o pkg/thsice:
188      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
189        and writing of thsice pickup files.
190    o pkg/atm_compon_interf:
191      - move all field individual export-call out of cpl_export_import_data.F
192        into new S/R ATM_EXPORT_FIELDS
193    o pkg/atm_compon_interf:
194      - store state variables (for now, only thSIce fields) just before beeing
195        exported (in cpl_export_import_data.F, like on ocean side) instead of from
196        atm_store_my_data.F like all exported fluxes.
197      - new version of pickup_cpl: write field names into meta file and read meta
198        file to find field postion in pickup. Also only write/read fields meeded for
199        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
200    o pkg/dic:
201      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
202    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
203        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
204        value can be from domain [0,1] to average between the two methods
205    o pkg/atm_phys:
206      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
207        hold fixed in time).
208    
209    checkpoint65r (2015/12/21)
210    o pkg/seaice:
211        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
212        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
213    o pkg/seaice:
214      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
215      when SEAICEscaleSurfStress=.TRUE.,      when SEAICEscaleSurfStress=.TRUE.,
216    - apply areaW and areaS in S/R seaice_calc_lhs    - apply areaW and areaS in S/R seaice_calc_lhs
217  o pkg/atm_phys:  o pkg/atm_phys:
218    - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes    - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
219      (shortwave & longwave, net & downward) and diagnostics of temp. tendency      (shortwave & longwave, net & downward) and diagnostics of temp. tendency
220      for individual contribution (convection, LSC cond, radiation)      for individual contribution (convection, LSC cond, radiation)
221    - add Ruth Geen etal, GRL 2016, radiation optionis (see paper supp.    - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
222      information); activated with: solar_exponent=0. and wv_exponent=-1.      information); activated with: solar_exponent=0. and wv_exponent=-1.
223  o pkg/ggl90:  o pkg/ggl90:
224    - within IDEMIX add upper limit for horizontal group velocity to    - within IDEMIX add upper limit for horizontal group velocity to

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