!----------------------------------------------------------------------- &namsbc ! Surface Boundary Condition (surface module) !----------------------------------------------------------------------- nn_fsbc = 5 ! frequency of surface boundary condition computation ! (also = the frequency of sea-ice & iceberg model call) ! Type of air-sea fluxes ln_usr = .false. ! user defined formulation (T => check usrdef_sbc) ln_flx = .false. ! flux formulation (T => fill namsbc_flx ) ln_blk = .false. ! Bulk formulation (T => fill namsbc_blk ) ! Type of coupling (Ocean/Ice/Atmosphere) : ln_cpl = .false. ! atmosphere coupled formulation ( requires key_oasis3 ) ln_mixcpl = .false. ! forced-coupled mixed formulation ( requires key_oasis3 ) nn_components = 0 ! configuration of the opa-sas OASIS coupling ! =0 no opa-sas OASIS coupling: default single executable config. ! =1 opa-sas OASIS coupling: multi executable config., OPA component ! =2 opa-sas OASIS coupling: multi executable config., SAS component ! Sea-ice : nn_ice = 2 ! =0 no ice boundary condition , ! =1 use observed ice-cover , ! =2 or 3 automatically for LIM3 or CICE ("key_lim3" or "key_cice") ! except in AGRIF zoom where it has to be specified ln_ice_embd = .false. ! =T embedded sea-ice (pressure + mass and salt exchanges) ! =F levitating ice (no pressure, mass and salt exchanges) ! Misc. options of sbc : ln_traqsr = .true. ! Light penetration in the ocean (T => fill namtra_qsr) ln_dm2dc = .false. ! daily mean to diurnal cycle on short wave ln_rnf = .true. ! runoffs (T => fill namsbc_rnf) ln_ssr = .true. ! Sea Surface Restoring on T and/or S (T => fill namsbc_ssr) nn_fwb = 2 ! FreshWater Budget: =0 unchecked ! =1 global mean of e-p-r set to zero at each time step ! =2 annual global mean of e-p-r set to zero ln_apr_dyn = .false. ! Patm gradient added in ocean & ice Eqs. (T => fill namsbc_apr ) ln_isf = .false. ! ice shelf (T => fill namsbc_isf) ln_wave = .false. ! Activate coupling with wave (T => fill namsbc_wave) ln_cdgw = .false. ! Neutral drag coefficient read from wave model (T => ln_wave=.true. & fill namsbc_wave) ln_sdw = .false. ! Read 2D Surf Stokes Drift & Computation of 3D stokes drift (T => ln_wave=.true. & fill namsbc_wave) nn_sdrift = 0 ! Parameterization for the calculation of 3D-Stokes drift from the surface Stokes drift ! = 0 Breivik 2015 parameterization: v_z=v_0*[exp(2*k*z)/(1-8*k*z)] ! = 1 Phillips: v_z=v_o*[exp(2*k*z)-beta*sqrt(-2*k*pi*z)*erfc(sqrt(-2*k*z))] ! = 2 Phillips as (1) but using the wave frequency from a wave model ln_tauwoc = .false. ! Activate ocean stress modified by external wave induced stress (T => ln_wave=.true. & fill namsbc_wave) ln_tauw = .false. ! Activate ocean stress components from wave model ln_stcor = .false. ! Activate Stokes Coriolis term (T => ln_wave=.true. & ln_sdw=.true. & fill namsbc_wave) nn_lsm = 0 ! =0 land/sea mask for input fields is not applied (keep empty land/sea mask filename field) , ! =1:n number of iterations of land/sea mask application for input fields (fill land/sea mask filename field) /