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revision 1.2211 by mlosch, Wed Dec 16 12:16:46 2015 UTC revision 1.2253 by mlosch, Tue May 17 15:27:06 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: fix tensile stength computation
8    that affects runs when SEAICEscaleSurfStress=.TRUE. (only for JFNK)    - replace global field tensileStrength by tensileStrFac
9      - tensileStrFac can be computed once in S/R seaice_init_varia
10      - fortunately that does not affect any verification results
11    
12    checkpoint65w (2016/05/12)
13    o pkg/ctrl/ctrl.h: fix a comma in common block list, so that code compiles
14         with ECCO_CTRL_DEPRECATED defined
15    o verification/global_ocean.cs32x15:
16      - change secondary test "viscA4" to also test "selectP_inEOS_Zc=3"
17        with "selectNHfreeSurf=1".
18    o model/src (non-hydrostatic free-surface):
19      - More "natural" expression of NH free-surface term (case selectNHfreeSurf=1):
20        was: tmpSurf/(1+tmpSurf); changed to: 1/(1+Gamma) with Gamma=1/tmpSurf.
21      - Calculate surface vertical velocity after 2-D solver adjustment (accounts
22        for EmPmR if RealFreshWaterFlux); used in RHS (cg3d_b) if exactConserv
23        and used to compute dPhiNH (in post_cg3d.F) if selectNHfreeSurf=1.
24        This fixes EmPmR contribution when selectNHfreeSurf=1 & RealFreshWaterFlux.
25      - Update output (changes at machine truncation level) of verification exp:
26        exp4 (11 digits for cg2d), global_ocean.cs32x15.viscA4 (11.d),
27        short_surf_wave (13.d) and tutorial_deep_convection.smag3d (12.d).
28    o pkg/seaice: ITD code
29      - fix picking up from a single category model by initialising
30        heff/area/hsnowITD = 0. in seaice_itd_pickup.F
31      - split a long warning message in seaice_check_pickup.F into two lines,
32        because NEC SX-ACE cannot deal with the long line.
33    o model/src:
34      - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
35    o pkg/seaice:
36      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
37    o pkg/seaice:
38      - add basal stress as parameterisation for grounding ice
39        following Lemieux et al. (2015)
40      - turn on by setting new parameter SEAICEbasalDragK2 to a value
41        larger than 0. Lemieux et al. (2015) recommend 15.
42      - The adjoint complains with extra recomputations so there is also a
43        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
44        order to postpone the problem
45      - compile the new code in lab_sea
46    o verification/halfpipe_streamice:
47      - update both TAF and OpenAD adm output (machine truncation differences)
48    
49    checkpoint65v (2016/04/08)
50    o verification/advect_xz:
51      - increase overlap size from 3 to 4 and add new secondary test for PQM
52        advection scheme (with mono & wino limiter).
53      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
54    o model/src:
55      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
56        added phi0Ref) to set vertical axis origin and phiRef origin;
57        keep Ro_SeaLevel for backward compatibility (with a warning).
58       According to coordinate and fluid type:
59        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
60        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
61        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
62        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
63      - remove Ro_SeaLevel from ATM experiment parameter files;
64      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
65        complement; update output.txt (changes at machine truncation level).
66    o pkg/seaice/seaice_evp.F
67      - simplify computation of deltaZ and zetaZ to simple averaging following
68        Bouillon et al. (2013). This removes a lot of code, but also changes
69        verification experiment lab_sea.hb87 -> updated
70    
71    checkpoint65u (2016/03/14)
72    o pkg/generic_advdiff:
73      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
74        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
75        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
76        testing and not for actual use.
77    o model/src:
78      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
79        origin r = rF(1);
80      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
81        in EOS for height coordinate: enable to include NH Pressure or to use
82        more accurate pressure vertical profile; options not linked to EOS type
83        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
84      - start to implement variable gravity (along vertical): for now, only with
85        z-coords (not even z*).
86      - add Ideal Gas equation of state for height coordinate.
87      - update OpenAD output (affected at machine truncation level) of exp:
88        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
89    o pkg/exf:
90      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
91        of exf interpolation (before any rescaling, rotation or interpolation
92        to velocity point) for each field that gets loaded from file. This option
93        identically mimics the input file organization (e.g. record numbers in year
94        by year input files) besides the change in horizontal grid.
95      - add rotateStressOnAgrid run-time switch so that wind stress fields
96        can be provided on the A-grid in zonal/meridional direction and
97        rotated on the fly. This only applies to the case when the exf
98        interpolation is off and rotateStressOnAgrid is false by default.
99    o model/src:
100      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
101        it's also used with pkg/atm_phys) and add few more parameters (but still
102        inactive, src code yet to come)
103    
104    checkpoint65t (2016/02/10)
105    o pkg/atm_phys:
106      - from Ruth Geen: add optical depth dependence on CO2 concentration.
107    o model/src:
108      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
109        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
110        Update output of exp. deep_anelastic (changes at truncation level).
111    o tools:
112      - add a hack in "remove_comments_sed" (used only with TAF) for recent
113        version of OpenMPI (shipped with FC.23): comment out the new header
114        file "mpif-sizeof.h" which causes problems to TAF.
115    o pkg/seaice:
116      - change the termination criterion so that maxits (SEAICElinearIterMax)
117        has an effect
118      - unify iteration parameters for implicit solvers (JFNK and Picard)
119        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
120        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
121        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
122        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
123        SEAICEnonLinTol     replaces JFNKgamma_nonlin
124      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
125      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
126        use with SEAICEuseKrylov
127    o pkg/seaice/seaice_lsr.F
128        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
129        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
130        an effect.
131    o pkg/seaice: add two new parameters
132      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
133        parameter is not in any namelist)
134      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
135        a preconditioner for the non-linear Newton iteration of the JFNK
136        solver
137    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
138      affects some experiments at truncation level:
139      - global_ocean.cs32x15.icedyn (11 digits),
140      - global_ocean.cs32x15.seaice (11 digits),
141      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
142      - also update global_ocean.cs32x15 adjoint and tangent-linear results
143    o pkg/salt_plume & pkg/thsice:
144      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
145        connect salt_plume flux to ATM-OCN coupling pkgs interface:
146       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
147         export to coupler interface) even without compiling pkg/salt_plume ;
148       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
149         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
150    o pkg/dic:
151      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
152        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
153        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
154      - move also update with values from ATM-OCN Coupler in the same new S/R
155        (previously done in ocn_apply_import.F).
156    o tools/adjoint_options:
157      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
158        has been changed on Jan 14, 2016.
159    o pkg/ggl90:
160      - add alternative discretisation of vertical shear (off by default), to
161        compute the mean (@ grid-cell center) of vertical shear compon instead of
162        vertical shear of mean flow (@ grid-cell center).
163      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
164        results on adjacent faces of cubed-sphere grids; this fix the restart.
165    o pkg/atm_compon_interf:
166      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
167        pass last value, stored directly before export to CPL ;
168        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
169      - remove atmSLPr from pickup files (no longer needed for restart)
170    
171    checkpoint65s (2016/01/13)
172    o eesupp & genmake2:
173       - first check for Function ETIME and, if it fails, then check for subroutine
174         ETIME and consistent output; use the appropriate version in timers.F
175    o model/src:
176      - to check restart test, add option to apply EXCH to U,V earlier, just before
177        integr_continuity; turned off by default.
178    o pkg/dic:
179      - remove CPP option USE_ATMOSCO2 (not needed)
180    o tools/tst_2+2:
181      - try to ignore difference between +0 and -0 in binary file, causing test
182        to fail for no good reason.
183    o eesupp & genmake2:
184      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
185        but also check (in genmake2) that test runs and returns meaningful results.
186    o coupler pkgs:
187      Finish implementation of optionally-exchanged variable switches (started on
188       Nov 12) with addition of few more exchanged fields, including 2-way exchange
189       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
190       advection in OCN component; this requires sequential coupling.
191      coupler (pkg/atm_ocn_coupler):
192      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
193        routines (useful for debug).
194      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
195         flux, DIC fields) if corresponding switch is ON.
196      - add option to export RunOff to OCN (to use for DIC river input)
197      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
198      components (pkg/atm_ & ocn_compon_interf):
199      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
200        optionally exchanged fields; add a check & stop in cpl_readparms.F.
201        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
202        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
203      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
204        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
205      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
206      - hold in common block coupler optionally-exchanged variable switch
207        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
208      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
209        this is intended to replace the OCN cplFldtave.* output files (not updated
210        to contain new additional exchanged fields).
211    o pkg/dic:
212      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
213    o pkg/thsice:
214      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
215        and writing of thsice pickup files.
216    o pkg/atm_compon_interf:
217      - move all field individual export-call out of cpl_export_import_data.F
218        into new S/R ATM_EXPORT_FIELDS
219    o pkg/atm_compon_interf:
220      - store state variables (for now, only thSIce fields) just before beeing
221        exported (in cpl_export_import_data.F, like on ocean side) instead of from
222        atm_store_my_data.F like all exported fluxes.
223      - new version of pickup_cpl: write field names into meta file and read meta
224        file to find field postion in pickup. Also only write/read fields meeded for
225        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
226    o pkg/dic:
227      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
228    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
229        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
230        value can be from domain [0,1] to average between the two methods
231    o pkg/atm_phys:
232      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
233        hold fixed in time).
234    
235    checkpoint65r (2015/12/21)
236    o pkg/seaice:
237        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
238        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
239    o pkg/seaice:
240      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
241        when SEAICEscaleSurfStress=.TRUE.,
242      - apply areaW and areaS in S/R seaice_calc_lhs
243  o pkg/atm_phys:  o pkg/atm_phys:
244    - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes    - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
245      (shortwave & longwave, net & downward) and diagnostics of temp. tendency      (shortwave & longwave, net & downward) and diagnostics of temp. tendency
246      for individual contribution (convection, LSC cond, radiation)      for individual contribution (convection, LSC cond, radiation)
247    - add Ruth Geen etal, GRL 2016, radiation optionis (see paper supp.    - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
248      information); activated with: solar_exponent=0. and wv_exponent=-1.      information); activated with: solar_exponent=0. and wv_exponent=-1.
249  o pkg/ggl90:  o pkg/ggl90:
250    - within IDEMIX add upper limit for horizontal group velocity to    - within IDEMIX add upper limit for horizontal group velocity to

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