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Notes on tags used in MITgcmUV |
Notes on tags used in MITgcmUV |
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o pkg/exf/exf_radiation.F: add the factor ocean_emissivity to lwdown, for |
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within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1. |
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this factor is absolutely required, because the lw exitance (= out-going |
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long wave radiation) is emissivity*stefanBoltzmann*T^4 + rho*lwdown, |
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where the reflectivity rho = 1-emissivity for conservation reasons. Once |
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this is established, we can remove the CPP-Flag (if we want to). |
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o pkg/seaice: |
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- sort out emissivity and long wave radiation, step 1: make SEAICE_emissivity |
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what the name implies (and not emissivity*BoltzmannConstant), this means |
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the old default value of 5.5e-8 now means |
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5.5e-8/5.670e-8 = 0.97001763668430343479 as ocean_emissivity in |
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S/R exf_readparms |
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- FV-discretization of the B-grid LSOR solver, turn on with |
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SEAICE_LSRBNEW. This new solver also involves a slight re-organization |
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of the calling routine dynsolver, so that B and C-grid code look a |
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little more alike. |
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o pkg/seaice/seaice_ocean_budget.F: change (unused) code to make it look better |
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o pkg/seaice/seaice_readparms.F: make ocean_emissivity*stefanBoltzmann the |
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default for SEAICE_emissivity, if useEXF; requires setting a wrong |
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parameter value in global_ocean.cs32x15/input.seaice/data.seaice for |
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backward compatiblity |
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o model/src: use sigmaR in calc_ivdc |
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checkpoint63g (2011/12/16) |
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o pkg/seaice/seaice_growth.F: |
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fix heat conservation of the coupled ocean-seaice system. |
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when SEAICE_HEAT_CONSERV_FIX is defined, the mismatch of |
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solid vs liquid water treatment is resolved via QNET. |
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o pkg/seaice/seaice_growth.F: |
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add missing term for sublimation in saltFlux, which was breaking conservation. |
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o pkg/seaice/seaice_model.F: |
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Remove this patholigical case treatment in evolution branch, |
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where it is un-necessary and breaks conservation. |
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Update global_ocean.cs32x15/results accordingly for |
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output.seaice.txt output_adm.seaice.txt and output_adm.seaice_dynmix.txt |
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o model/src: |
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useRealFreshWaterFlux: remove masking of EmPmP (using maskInC) in |
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external_forcing_surf.F and apply mask directly in S/R SOLVE_FOR_PRESSURE. |
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o pkg/obcs: |
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modify Stevens boundary conditions so that S/R obcs_calc_stevens computes |
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tendency for temperature and salinity that is then applied to update |
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theta and salt in S/R obcs_apply_ts; this requires proper masking of all |
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horizontal advection and diffusion contributions on the boundary (in |
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S/Rs gad_advection, gad_calc_rhs, gmredi_rtransport, gmredi_calc_diff), and |
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removing the mask in S/R timestep_tracer. The advantage of this approach is |
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that the updated tracer values include contributions from the surface |
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forcing and vertical diffusion. |
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This modification changes exp4.stevens because of vertical diffusion. |
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o model/src: |
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change non-curvilinear grid setting to also work with exch2 + blank tiles: |
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- move delX,delY to new header file (SET_GRID.h) and adjust length to 1rst |
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face dimensions. |
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- new S/R INI_LOCAL_GRID to define model tile-local grid (using same units |
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as delX,delY) and called from S/R INI_CARTESIAN_GRID, INI_CYLINDER_GRID |
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and INI_SPHERICAL_POLAR_GRID. |
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change test-experiment global_ocean.90x40x15: |
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- split the domain in many more tiles (9x4 tiles of 10x10 each); |
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- switch to exch2 and remove 1 blank-tile (but only for MPI test). |
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- update results of both test (std & dwnslp). |
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o pkg/diagnostics/diagstat_calc.F: fix problem with non-initialised halos in |
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tmp-fields for TARGET_NEC_SX at the cost of extra loops and less vectorisation |
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o model/src: |
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- take sigma-coords related code out of update_etah.F into new S/R UPDATE_ETAWS |
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and fix initialisation when using sigma-coords. |
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o model/src: |
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- improve Gael's changes from Jan 14, 2011 "addition of an 'update' of hfacc etc. |
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to their current value at the beginning of forward_step.F": add a new run-time |
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switch "doResetHFactors" (default=false) and use it to do (or not) the resetting. |
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- set doResetHFactors=T in the following test exp: |
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global_ocean.90x40x15/input (rStar) & input.dwnslp (linFS), |
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global_ocean.cs32x15/input.seaice (rStar), hs94.cs-32x32x5/input.impIGW (linFS) |
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and tutorial_global_oce_in_p (nonLinFS in p) |
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o pkg/ecco |
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- added IES cost term |
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o verification/advect_xz |
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- scale down the depth by 1/100 (from 200 km to just 2.km) |
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- add secondary test using divergent flow, r-star and implicit vertical advection. |
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- add note (check_conserve_TS.txt) and matlab script to check global |
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conservation of T & S with NonLin-FreeSurf and Adams-Bashforth. |
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o pkg/rbcs: |
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- add missing relaxUFile & relaxVFile in namelist (in rbcs_readparms.F). |
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o pkg/obcs (Stevens BCs): |
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- fix various problems in the phase speed computations of the Stevens |
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boundary conditions: |
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- sign error for western and southern boundaries, |
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- time tendencies were underestimated by factor of dTracerLev and some just |
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zero (for multidim advection schemes) -> now estimate time tendencies |
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from difference between previous (n) time level and the one before (n-1); |
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this requires storing a field per tracer per boundary, also in the pickup |
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files. |
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- replace deltaTmom in cflMer/Zon computation with dTracerLev |
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- set default phase velocity to cflMer/Zon |
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- update verification experiment exp4.stevens |
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o pkg/generic_advdiff (implicit_r): |
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- fix implicit vertical advection conservation with AB and/or NonLin-FreeSurf |
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(remove Tr*d/dz(w) in gad_implicit_r.F and add it in gad_calc_rhs.F); |
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- fix implicit vertical diffusion or advection with NonLin FreeSurf |
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(was using current recip_hFacC instead of future recip_hFacC): set future |
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recip_hFac in thermodynamics.F and pass & use it in all vertical implicit |
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solver S/R ; |
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- fill diagnostics of vertical advective fluxes (computed from tendency) |
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when using implicit vert. advection; |
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- update output of exp that uses NonLin-FreeSurf & implicit vertical diffusion: |
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global_ocean.90x40x15 (fwd+AD), global_ocean.cs32x15 (4 fwd +4 AD), |
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tutorial_global_oce_in_p (fwd), tutorial_tracer_adjsens (AD) |
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and cpl_aim+ocn (used in ocean); to be fixed: bottom_ctrl_5x5. |
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o pkg/diagnostics: |
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- add diags for T & S tendency which goes through Adams-Bashforth. |
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checkpoint63f (2011/11/30) |
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o pkg/obcs/obcs_calc_stevens.F: |
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- join some loops to reduce number of if-statements |
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- fix a bug in code for northern and southern boundaries. |
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o pkg/seaice/seaice_init_varia.F |
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- undo resetting UVM=0 that has slipped in unnoticed in r1.49 and |
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caused zero ice-velocities for the B-grid code |
| 123 |
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o pkg/seaice/seaice_init_fixed.F |
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- fix a bug in the initialisation of the second metric terms |
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k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0. |
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- this affects all seaice configurations with useCurviLinearGrid = .true. |
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and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms |
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= .true. (default) |
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- the only verification experiment affected is global_ocean.cs32x15: |
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icedyn, seaice, and seaice_dynmix (AD) |
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o pkg/thsice/thsice_diagnostics_state.F |
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- only for TARGET_NEC_SX: initialise all of tmpFld, so that overlap does |
| 133 |
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not contain garbage that can lead to surprises in diagstats_calc.F |
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o model/src: |
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- move bi,bj loops inside INTEGR_CONTINUITY ; |
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- call INTEGR_CONTINUITY directly from forward_step.F |
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(previously called from momentum_correction_step.F) |
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- call UPDATE_ETAH from integr_continuity.F and update initialise_varia.F, |
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forward_step.F and pkg/ecco/the_main_loop.F |
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o model/src/do_oceanic_phys.F: |
o model/src/do_oceanic_phys.F: |
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- reset addMass to zero only if useICEFRONT ; |
- reset addMass to zero only if useICEFRONT ; |
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- separated k-loop for rhoInSitu calculation ; |
- separated k-loop for rhoInSitu calculation ; |
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