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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 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 |
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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 |
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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: |
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- reset addMass to zero only if useICEFRONT ; |
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- separated k-loop for rhoInSitu calculation ; |
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- add 2 diagnostics for wVel*delta^k(Rho) at constant pressure (= WdRHO_P) |
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and at constant T,S (= WdRHOdP); |
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NOTE: change diagnostics WRHOMASS : this is now simply the Vertical transport |
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of In-Situ Density (Anomaly) (=wVel*rho^bar-k) (previously was Vertical |
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transport of locally-referenced potential density); |
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to recover old diag: (WRHOMASS)_old = (WRHOMASS)_new -1/2 * (WdRHOdP) |
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o gluemnc: |
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- replace ncrcat with ncks when adding variables to *.glob.nc |
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- change the way variables without record dimensions are handled so that |
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files that have variables with and without record variables can be glued: |
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add a record dimension with a new unique name to be able to differentiate |
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between variable with and without a-prior record dimensions. Remove |
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this record dimension before adding the variable to the *.glob.nc file. |
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This procedure automatically works also for grid.*.nc files that do not |
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have any record dimension. |
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o verification/cpl_aim+ocn: |
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- generate new reference output on baudelaire (gfortran, mpich2) (previously |
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from old aces-grid cluster, ao + ifort) and update 'run_cpl_test' script. |
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o pkg/obcs/obcs_calc_stevens.F: |
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- add code for northern and southern boundaries. |
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- reorder some loops to save some operations and so that drFBar can be scalar |
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o model/src: |
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- re-arrange extrapolation calculation in Adams-Bashforth S/R (affects machine |
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truncation) and add diagnostics for Adams-Bashforth tendency increment. |
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- update test-exp. AD output: |
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1D_ocean_ice_column, bottom_ctrl_5x5, lab_sea.noseaicedyn, obcs_ctrl; |
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and FWD output: exp4 (x3), fizhi-cs-32x32x40, fizhi-cs-aqualev20, |
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front_relax (x3), global_ocean.90x40x15 (x2), global_ocean.cs32x15 (x5), |
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global_ocean_ebm, ideal_2D_oce, internal_wave, isomip (x3), lab_sea (x4), |
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matrix_example, MLAdjust (x5), natl_box (x2), tutorial_advection_in_gyre, |
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tutorial_global_oce_in_p, tutorial_global_oce_latlon and |
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tutorial_plume_on_slope. |
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o pkg/diagnostics/diagstats_calc.F: add special code for TARGET_NEC_SX |
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that vectorises. This code uses 3 extra 2D fields, F90 array assignments |
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and F90 intrinsic routines SUM, MINVAL, MAXVAL, but since TARGET_NEC_SX |
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does not even come with an F77 compiler anymore, this should not be |
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a limitation |
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checkpoint63e (2011/11/06) |
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o pkg/seaice adjoint of LSR: |
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- substantially rework STORE dirs. |
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- add new flag SEAICE_LSR_ADJOINT_ITER and parameter SOLV_MAX_FIXED |
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this flag will do SOLV_MAX_ITERS but only store SOLV_MAX_FIXED fields |
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and only perform SOLV_MAX_FIXED adjoint iters. |
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If flag SEAICE_LSR_ADJOINT_ITER is undef-ined, the store in the iteration |
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always goes to same record, meaning that the last forward field will be |
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the one used in the adjoint - an approximation. |
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- now produces non-zero LSR-related gradients, and acceptable gradients for |
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An's zonal (x-z) test case (to be checked in) |
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- lab_sea: produces acceptable gradients for lab_sea with forward/backward LSR |
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(but these are screwed up by the thermodynamics in the first place); |
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reduce from 4 to 3 timesteps to avoid t.d. issue as temporary solution; |
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output_adm.txt also reflects changes to seaice_lsr |
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- global_ocean.cs32x15: |
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* the "default" input_ad.seaice has been re-defined to always exclude dynamics |
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(output_adm.seaice.txt was updated) |
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* new input_ad.seaice_dynmix tests a forward LSR / backward free-drift |
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(output_adm.seaice_dynmix.txt) |
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o test-exp. exp4+stevens: |
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- switch off pTracers and nonHydrostatic (restart problems with NH); update output |
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o pkg/seaice (lsr solver): |
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- put coriolis term into FORCEX,Y (as in seaice_evp.F; previously in rhsU,V only); |
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update output (change truncation) of FWD test exp lab_sea & global_ocean.cs32x15 |
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- fix SEAICEuseFREEDRIFT for new OBCS version (ndef OBCS_UVICE_OLD) |
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- new parameter "LSR_mixIniGuess" allows (if=2,4) to mix free-drift solution |
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into initial guess for linearised solver; use weight ~ (1/err)^2,4. |
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- compute (with new S/R) and print initial (+ free-driff sol. if available) |
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and final residual of linearised system. |
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o pkg/pp81: add diagnostics for vertical eddy viscosity and diffusivity |
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(requires new subroutines pp81_init_fixed.F/pp81_diagnostics_init.F) |
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o pkg/obcs: Stevens BCs (still only for east and west) |
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- fix Stevens BCs by using intermediate velocities of previous |
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time step as "baroclinic" contribution rather velocity of one grid cell |
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inside the boundaries; more consistent but makes the entire treatment |
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more complicated, requires new pickup files and two new S/Rs: |
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obcs_copy_uv_n and obcs_save_uv_n |
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keep old version with flag OBCS_STEVENS_USE_INTERIOR_VELOCITY |
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(undefined by default) |
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- silently move computation of some grid factors into separate loops to |
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save some recomputations |
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- add a hack for non-linear free surface |
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- add a verification experiment to exp4 that tests this code |
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o make gluemnc/xplodemnc work with (moron) non-GNU shell tools |
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checkpoint63d (2011/10/25) |
checkpoint63d (2011/10/25) |
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o pkg/obcs + seaice-dynamics: |
o pkg/obcs + seaice-dynamics: |
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- new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before |
- new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before |
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