!!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> !! SI3 configuration namelist: Overwrites SHARED/namelist_ice_ref !! 1 - Generic parameters (nampar) !! 2 - Ice thickness discretization (namitd) !! 3 - Ice dynamics (namdyn) !! 4 - Ice ridging/rafting (namdyn_rdgrft) !! 5 - Ice rheology (namdyn_rhg) !! 6 - Ice advection (namdyn_adv) !! 7 - Ice surface boundary conditions (namsbc) !! 8 - Ice thermodynamics (namthd) !! 9 - Ice heat diffusion (namthd_zdf) !! 10 - Ice lateral melting (namthd_da) !! 11 - Ice growth in open water (namthd_do) !! 12 - Ice salinity (namthd_sal) !! 13 - Ice melt ponds (namthd_pnd) !! 14 - Ice initialization (namini) !! 15 - Ice/snow albedos (namalb) !! 16 - Ice diagnostics (namdia) !!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ! !------------------------------------------------------------------------------ &nampar ! Generic parameters !------------------------------------------------------------------------------ jpl = 1 ! number of ice categories ln_icedyn = .true. ! ice dynamics (T) or not (F) ln_icethd = .false. ! ice thermo (T) or not (F) / !------------------------------------------------------------------------------ &namitd ! Ice discretization !------------------------------------------------------------------------------ / !------------------------------------------------------------------------------ &namdyn ! Ice dynamics !------------------------------------------------------------------------------ ln_dynALL = .true. ! dyn.: full ice dynamics (rheology + advection + ridging/rafting + correction) ln_dynRHGADV = .false. ! dyn.: no ridge/raft & no corrections (rheology + advection) ln_dynADV1D = .false. ! dyn.: only advection 1D (Schar & Smolarkiewicz 1996 test case) ln_dynADV2D = .false. ! dyn.: only advection 2D w prescribed vel.(rn_uvice + advection) / !------------------------------------------------------------------------------ &namdyn_rdgrft ! Ice ridging/rafting !------------------------------------------------------------------------------ ln_str_H79 = .true. ! ice strength param.: Hibler_79 => P = pstar**exp(-c_rhg*A) rn_pstar = 2700 ! ice strength thickness parameter [N/m2] rn_crhg = 20.0 ! ice strength conc. parameter (-) / !------------------------------------------------------------------------------ &namdyn_rhg ! Ice rheology !------------------------------------------------------------------------------ ln_rhg_EVP = .false. ! EVP rheology ln_aEVP = .false. ! adaptive rheology (Kimmritz et al. 2016 & 2017) rn_creepl = 2.0e-9 ! creep limit [1/s] rn_ecc = 2.0 ! eccentricity of the elliptical yield curve nn_nevp = 200 ! number of EVP subcycles rn_relast = 0.333 ! ratio of elastic timescale to ice time step: Telast = dt_ice * rn_relast ! advised value: 1/3 (rn_nevp=120) or 1/9 (rn_nevp=300) ln_rhg_EAP = .true. ! EAP rheology nn_rhg_chkcvg = 0 ! check convergence of rheology ! = 0 no check ! = 1 check at the main time step (output xml: uice_cvg) ! = 2 check at both main and rheology time steps (additional output: ice_cvg.nc) ! this option 2 asks a lot of communications between cpu / !------------------------------------------------------------------------------ &namdyn_adv ! Ice advection !------------------------------------------------------------------------------ ln_adv_Pra = .true. ! Advection scheme (Prather) ln_adv_UMx = .false. ! Advection scheme (Ultimate-Macho) nn_UMx = 5 ! order of the scheme for UMx (1-5 ; 20=centered 2nd order) / !------------------------------------------------------------------------------ &namsbc ! Ice surface boundary conditions !------------------------------------------------------------------------------ / !------------------------------------------------------------------------------ &namthd ! Ice thermodynamics !------------------------------------------------------------------------------ / !------------------------------------------------------------------------------ &namthd_zdf ! Ice heat diffusion !------------------------------------------------------------------------------ / !------------------------------------------------------------------------------ &namthd_da ! Ice lateral melting !------------------------------------------------------------------------------ / !------------------------------------------------------------------------------ &namthd_do ! Ice growth in open water !------------------------------------------------------------------------------ / !------------------------------------------------------------------------------ &namthd_sal ! Ice salinity !------------------------------------------------------------------------------ / !------------------------------------------------------------------------------ &namthd_pnd ! Melt ponds !------------------------------------------------------------------------------ / !------------------------------------------------------------------------------ &namini ! Ice initialization !------------------------------------------------------------------------------ ln_iceini = .true. ! activate ice initialization (T) or not (F) nn_iceini_file = 1 ! 0 = Initialise sea ice based on SSTs ! 1 = Initialise sea ice from single category netcdf file ! 2 = Initialise sea ice from multi category restart file rn_thres_sst = 2.0 ! max temp. above Tfreeze with initial ice = (sst - tfreeze) rn_hti_ini_n = 3.0 ! initial ice thickness (m), North rn_hts_ini_n = 0.1 ! initial snow thickness (m), North rn_ati_ini_n = 0.99 ! initial ice concentration (-), North rn_smi_ini_n = 6.3 ! initial ice salinity (g/kg), North rn_tmi_ini_n = 270. ! initial ice temperature (K), North rn_tsu_ini_n = 270. ! initial surface temperature (K), North rn_tms_ini_n = 270. ! initial snw temperature (K), North rn_apd_ini_n = 0.0 ! initial pond fraction (-), North rn_hpd_ini_n = 0.0 ! initial pond depth (m), North sn_hti = 'initice' , -12. ,'hti' , .false. , .true., 'yearly' , '' , '', '' sn_hts = 'initice' , -12. ,'hts' , .false. , .true., 'yearly' , '' , '', '' sn_ati = 'initice' , -12. ,'ati' , .false. , .true., 'yearly' , '' , '', '' sn_tsu = 'initice' , -12. ,'tsu' , .false. , .true., 'yearly' , '' , '', '' sn_tmi = 'initice' , -12. ,'tmi' , .false. , .true., 'yearly' , '' , '', '' sn_smi = 'initice' , -12. ,'smi' , .false. , .true., 'yearly' , '' , '', '' cn_dir='./' / !------------------------------------------------------------------------------ &namalb ! albedo parameters !------------------------------------------------------------------------------ / !------------------------------------------------------------------------------ &namdia ! Diagnostics !------------------------------------------------------------------------------ /