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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/seaice: |
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- bug fix in the evp solver: boundary conditions were affected be |
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masking of zMax/zMin (changes results) |
| 10 |
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- minor bug fix in boundary conditions in seaice_calc_strainrates |
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(changes results for no_slip) |
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- seaice_lsr.F: make interpolation of eta dependent on boundaries |
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- replace hardcoded lower limit for zeta (zMin) by runtime parameter |
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- add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean |
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stress formulation and no-slip boundary conditions |
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o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP |
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in gad_calc_rhs.F ; add few safety stops in initialisation phase. |
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o pkg/seaice: a first HSALT time stepping equation has been checked in |
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o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV |
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in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem |
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without requiring DO-IF statements |
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o pkg/thsice: |
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use continuous power-law function for partition of energy between lateral |
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melting/freezing and thinning/thickening ; old code using step function |
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still available with #undef THSICE_FRACEN_POWERLAW |
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update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice |
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o testreport: change AD testing : check against results/output_adm.txt |
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using same scripts as for forward test. |
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|
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checkpoint59g |
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o adjoint testing: in preparation for changing testreport: |
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- output format: cost and grad written on separated lines |
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- ad output results in directory "results" (instead of "results_ad") |
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o pkg/seaice: adding ice salinity HSALT as a prognostic variable |
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o pkg/seaice: changes for using pkg/seaice with pkg/obcs |
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o pkg/ecco: allow user defined cost function contributions |
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o testreport: |
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Allow to choose (per experiment) the list of tested output variables |
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and the main variable (used to issue a pass/FAIL ) ; |
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- for now, done by adding the specific list in file: [exp]/input/tr_checklist |
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- default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ; |
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Also modify printing of summary: |
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a) ">" NN "<" indicates the "main" variable (used for pass/FAIL) |
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b) echo the list of tested variables in the individual summary.txt of |
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each experiment. |
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o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of |
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threads and number of processes (with #define GLOBAL_SUM_SEND_RECV) |
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(but still depend on the tile decompostion of the domain). |
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o pkg/seaice: change a discretization detail to make the B-grid code |
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"more symmetric". This change is likely to remove all "ridges/leads" that |
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where quasi-aligned with the grid in B-grid solutions. It may also be |
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the solution to the stress coupling issues with the B-grid. |
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o each tested exp: add a "run" directory with a standard ".cvsignore" file ; |
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remove .cvsignore from input dir. (since testreport no longer run here). |
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o pkg/thsice: |
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- cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h" |
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- fix reshaping of sea-ice just after advection: |
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melt all the ice only if ice-volume is too small. |
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- re-visit lateral/thinning repartition of melting (modifs from May 04, 2007): |
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prevent lateral melting if sea-ice fraction is too close to iceMaskMin ; |
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and update experiment global_ocean.cs32x15.icedyn (+start from pickup files). |
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o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water |
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tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged. |
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o define mass2rUnit & rUnit2mass as units conversion factor, used for surface |
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forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit |
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(z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse; |
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and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error |
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of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16 |
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-> update output.txt |
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o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME): |
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this affects truncation error: -> update output.txt of exp: |
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global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr, |
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ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon. |
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checkpoint59f |
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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 use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ; |
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(not seem any difference in testing results). |
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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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|
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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 |
| 149 |
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- fix bug in metric terms of u-equation in LSR solver (implicit part), |
| 150 |
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changes verification/lab_sea |
| 151 |
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- rearrange implicit part of u-equation in LSR solver to make it easier to |
| 152 |
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read, understand, and debug. This causes changes at the truncation level. |
| 153 |
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- fix (serious) bug in the boundary conditions (sign error in the implicit |
| 154 |
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part) of the LSR solver. Changes all LSR results. |
| 155 |
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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, |
| 170 |
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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: |
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- move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this |
| 174 |
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requires a new routine: seaice_diagnostics_fill.F |
| 175 |
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- make sure that seaice does not move if not forced (pressure replacement |
| 176 |
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method, Hibler and Ip, 1995), changes results |
| 177 |
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- and new damping criterion for EVP solver according to Hunke, JCP, 2001 |
| 178 |
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- 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. |
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- make it possible to read AREA from a file, too. |
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|
| 182 |
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checkpoint59c |
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o add S/R and diagnostics for oceanic mixed-layer depth |
| 184 |
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o move GMRedi call after all vertical mixing schemes (including KPP) |
| 185 |
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o pkg/thsice: |
| 186 |
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- ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs |
| 187 |
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(melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice |
| 188 |
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o pkg/obcs: |
| 189 |
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- bug fix for balance code |
| 190 |
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o pkg/seaice: |
| 191 |
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- allow values of SEAICE_elasticParm > 1 |
| 192 |
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- add new parameter SEAICE_evpTauRelax as an alternative |
| 193 |
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to SEAICE_elasticParm |
| 194 |
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- make lsr boundary conditions free slip (by default), changes result |
| 195 |
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- add code for no slip boundary conditions for lsr |
| 196 |
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- set minimum of zeta to zero (and not 4e8) (changes results) |
| 197 |
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- add a cap on AREA after advecting AREA if seaice_growth is not called |
| 198 |
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o change calculation of Visbeck K: |
| 199 |
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- no longer depend on tapering scheme; instead, compute slope (limited |
| 200 |
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by GM_maxSlope). this is equivalent to what was comuted before with |
| 201 |
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clipping or linear tappering. |
| 202 |
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- fix vertical averaging (wrong by 1/2 level) |
| 203 |
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- leave the old version (but will not be maintained) within |
| 204 |
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#ifdef OLD_VISBECK_CALC / #endif |
| 205 |
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- update output of exp. ideal_2D_oce |
| 206 |
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o change error catch in calc_r_star to improve vectorization |
| 207 |
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o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and |
| 208 |
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add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf). |
| 209 |
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o adjoint: |
| 210 |
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Re-organized adjoint checkpointing according to Matt Mazloff |
| 211 |
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(but with modifs/completions/cleanups) |
| 212 |
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Storing is now bundled into large arrays to optimized I/O |
| 213 |
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(and second step in cleanup of the_main_loop) |
| 214 |
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|
| 215 |
checkpoint59b |
checkpoint59b |
| 216 |
o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d): |
o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d): |
| 217 |
- export/import (between ocean & coupler) fields needed for ocean DIC. |
- export/import (between ocean & coupler) fields needed for ocean DIC. |
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o pkg/thsice: |
o pkg/thsice: |
| 265 |
fix few little problems, in thsice_calc_thickn.F: |
fix few little problems, in thsice_calc_thickn.F: |
| 266 |
- growth vertically (and not laterally) if iceFrac == iceMaskMax |
- growth vertically (and not laterally) if iceFrac == iceMaskMax |
| 267 |
- melt laterally only if hIce < hThinIce (as the comments say) |
- melt only laterally if hIce < hThinIce (as the comments say) |
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and in thsice_extend.F: |
and in thsice_extend.F: |
| 269 |
- allow to form ice even when iceFrac == iceMaskMax (by increasing thickness) |
- allow to form ice even when iceFrac == iceMaskMax (by increasing thickness) |
| 270 |
- start to form ice as soon as the minimum ice-volume is reachable. |
- start to form ice as soon as the minimum ice-volume is reachable. |
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