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Notes on tags used in MITgcmUV |
Notes on tags used in MITgcmUV |
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============================== |
============================== |
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o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode) |
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o pkg/ctrl: ctrl_bound forces parameter corrections to stay in |
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a bounded range (in forward mode) |
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o pkg/ecco, ctrl, autodiff and mom_common: |
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internal parameter controls, completements of implementations |
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o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy. |
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o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains |
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at face corners. |
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o pkg/generic_advdiff: |
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- in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR) |
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loop range indices for computing vertical advection tendency |
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and do the calculation in the interior only (no overlap) ; |
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for now, only implemented for SOM advection (to save CPU time). |
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- add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment) |
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o exch2 adjoint |
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First set of changes: |
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- add exch2 hand-written adjoint templates |
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- exch2 hand-written no longer use TAF-flag 'nownew_arg' |
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This will require cleanup in pkg/autodiff/*.F |
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(changed routines currently kept separate in verif. code/) |
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- Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC |
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that used to hide exch2 or cubed-sphere specific code |
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(commented via 'cph-exch2') |
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o pkg/seaice |
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- Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE. |
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o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update |
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output of global_ocean.cs32x15.thsice . |
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checkpoint59e |
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o exch2: new S/R that only use the cube-tracer (center-position) exchange: |
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for B-grid vector (not yet tested) and C-grid vector (<- only used |
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when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined). |
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o starting implementation of Duffy et al. (GRL 1999) salt plume scheme |
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(#ifdef ALLOW_SALT_PLUME) |
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o gather_2d/scatter_2d: removed halo regions |
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o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007 |
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scheme and the corresponding test case (under front_relax dir). For now, |
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only available with Skew-flux form and not yet tested in realistic set-up. |
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adjoint: store directives updated, but gradient checks deteriorated, |
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so maybe GM/Redi adjoint is now broken. |
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o seaice adjoint |
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* add AREA, HEFF, HSNOW as control variable |
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(should not change lab_sea results) |
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* CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40 |
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o pkg/seaice: |
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* added computation of saltFlux in seaice_growth; |
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For time being, sea ice salinity is assumed constant |
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contribution of snow flooding to freshening of sea ice is neglected. |
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SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it |
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defaults to 0.0 in order to maintain backward compatibility. |
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Typical values for SEAICE_salinity are 4 to 10 g/kg. |
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* replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F |
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* added SEAICE_availHeatFrac, which specifies fraction of surface level |
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heat content used to melt or grow ice |
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* commented out cap of HICE: it helps keep ice thinner |
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* reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option |
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* applied OBCS T/S mask to HEFFM sea ice mask |
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checkpoint59d |
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o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array |
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for {PKG} state variables, and called from DO_STATEVARS_DIAGS. |
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(keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics) |
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o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0" |
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and change default value of parameter "GM_Small_Number"; |
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update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15, |
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global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf, |
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tutorial_global_oce_biogeo, tutorial_global_oce_latlon |
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o pkg/ecco: cost function when applying pkg/smooth to controls |
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o pkg/ctrl: add forcingPrecond run time parameter |
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o pkg/seaice: |
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- replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code |
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- fix bug in metric terms of u-equation in LSR solver (implicit part), |
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changes verification/lab_sea |
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- rearrange implicit part of u-equation in LSR solver to make it easier to |
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read, understand, and debug. This causes changes at the truncation level. |
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- fix (serious) bug in the boundary conditions (sign error in the implicit |
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part) of the LSR solver. Changes all LSR results. |
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- fixed problem with HSNOW initialization to avoid thick snow when AREA |
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is initilized with small values - does not change lab_sea results. |
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- added HsnowFile initialization capability |
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o pkg/smooth: addition to model/src and pkg/ctrl so allow |
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initialization of pkg/smooth and application to control vector |
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o pkg/seaice: fix another bug in the LSR no-slip boundary conditons |
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o dependencies: pkg/profiles requires pkg/cal |
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o pkg/profiles: |
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- added option ALLOW_PROFILES_GENERICGRID |
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-> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming |
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that interpolation information (grid points and coefficients) is provided |
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within the netcdf input files. |
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-> sample matlab scripts can be found in MITgcm_contrib/gael |
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that allow you to prepare netcdf input files. |
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- also modified: cleaner include statements, cleaner error print statements, |
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cleaner stops when error, and more tests of the netcdf input files consistency. |
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o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs. |
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o pkg/seaice: |
o pkg/seaice: |
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- move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this |
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requires a new routine: seaice_diagnostics_fill.F |
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- make sure that seaice does not move if not forced (pressure replacement |
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method, Hibler and Ip, 1995), changes results |
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- and new damping criterion for EVP solver according to Hunke, JCP, 2001 |
- and new damping criterion for EVP solver according to Hunke, JCP, 2001 |
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- SEAICE_evpDampC = > 0. turns it on (615. is the recommended value). |
- SEAICE_evpDampC = > 0. turns it on (615. is the recommended value). |
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It is turned off by default (=-1.), because it changes the results. |
It is turned off by default (=-1.), because it changes the results. |
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