# # $Id: physiq.def_NPv5.4 3474 2019-04-15 14:55:13Z aclsce $ # #PARAMETRES ET CLES DE LA PHYSIQUE LMDZ ############################################################################### ## D: Valeur par default ## ##Parametres Orographiques et cdrags ##********************************** ### Si=.T. , lecture du fichier limit avec la bonne annee ok_limitvrai=n iflag_albedo=1 #Cdrags f_cdrag_stable=1. f_cdrag_ter=1. f_cdrag_oce=0.7 f_ri_cd_min=0.6 #cdmmax cdmmax=2.5E-3 #cdhmax cdhmax=2.0E-3 ## Orodr ou non pour l orographie ok_orodr=y ## Orolf ou non pour l orographie ok_orolf=y #Rugoro f_rugoro=0. # ### Random gravity waves #Activitate the stochastic parameterization of convective GWs (should be equal to ok_strato) ok_gwd_rando=y # Scale the momentum fluxes due to convective GWs gwd_rando_ruwmax=2.5 #Scale the saturated momentum flux of convective GWs gwd_rando_sat=0.2 sso_gkdrag=0.2 sso_gfrcri=0.70 sso_gkwake=0.40 # # Rayonnement #********************* # activation du nouveau code de rayonnement RRTM # 0 : Ancien code et 1 : RRTM (D=0) iflag_rrtm=0 #NSW=2 # # Parametres nuages #****************** #seuils de la precipitation des nuages strateformes (D: 2.6e-4 2.6e-4) cld_lc_lsc=0.0001 cld_lc_con=0.0001 #constante de temps pour eleminer eau lsc et convective (D: 3600. 3600.) cld_tau_lsc=900. cld_tau_con=900. #facteurs correctifs sur la vitesse de chute des cristaux de glace (D: 1 1) ffallv_lsc=1. ffallv_con=1. #coefficient sur la reevaporation de la pluie (D: 2.e-5 n) coef_eva=2e-5 reevap_ice=y #calcul des proprietes des nuages convectifs (D:1 0.375 1.e-4) iflag_cldcon=6 fact_cldcon=1. facttemps=0. #calcul eau condensee et fraction nuageuse a partir des PDF (D:0, 0:version avec ratqs sinon nouvelles PDFs) iflag_pdf=1 #calcul epaisseur optique et emmissivite des nuages (D: y 1 0.01 0.3) ok_newmicro=y iflag_ratqs=4 ratqsbas=0.002 ratqshaut=0.312 #rayon effectif pour les nuages de glace (D:35) rad_froid=35 #rayons effectifs pour les nuages eau liq (tailles des gouttes d eau nuageuse, D: 13 9) rad_chau1=12 rad_chau2=11 ## Choix ou non de New oliq new_oliq=y #Rayons min et max effectifs des particules des nuages rei_min=16. rei_max=61.29 # # Flags Convection #***************** #Convection scheme switch (D:2, 1:LMD, 2:Tiedtke, 3:KE New Physics, 30:KE AR4) iflag_con=3 #output level of energy conservation diagnostics if_ebil=0 #maximum efficiency of cld water->precipitation conversion (D: 0.993) epmax=0.9995 #dry convective adjustment at beginning of Emanuel convective scheme (D: n 0) ok_adj_ema=n iflag_clw=0 #Convective closure (D:1, 0:AR4, 2:ALE and ALP) iflag_clos=2 #Convective entrainment mixing law (D:1, 0:AR4=flat PDF, 1=PDF) iflag_mix=1 #weights of the bell shaped and flat PDF (used only if iflag_mix=1) (D: 1 0) qqa1=1. qqa2=0. #Parameters of the bell shaped PDF; Fmax=center (D= 0.65), Gammas=width (D=0.05) cvl_corr=1.0 #Multiplicative factor of Emanuel convective scheme precipitation (D: 1.) Fmax=0.65 # # Flags Couche limite #******************** #shema de CL des thermiques (D:0, 0:ajustement sec,=>1:versions thermiques) iflag_thermals=18 #pas de temps du spliting pour les thermiques nsplit_thermals=1 tau_thermals=0. iflag_thermals_ed=8 fact_thermals_ed_dz=0.1 iflag_thermals_optflux=0 #shema de la couche de surface (D:1, 1:LMD, 8:Mellor-Yamada) iflag_pbl=11 #diffusion turbulente ksta_ter=1.e-7 ksta=1.e-10 #ok_kzmin : calcul Kzmin dans la CL de surface ok_kzmin=y #couplage ou non avec la convection iflag_coupl=5 (0:AR4 et 1:nouvelle physique) seuil_inversion=-0.08 #rendement sur la puissance fournie par les thermiques a la convection alp_bl_k=0.5 # ## temperature dependency of qsat for iterative procedure ## temporary flag to switch between the old (CMIP5, D=0) and new versions (=1) versions iflag_fisrtilp_qsat=4 ## Reactivation du calcul d'un zmax continu pour les thermiques ## reactivation d'une fermeture humide des thermiques iflag_thermals_closure=2 (D=1) iflag_thermals_closure=1 # # Flags wakes #************ #Wake scheme switch (D:0, 0:AR4, 1:New Physics) iflag_wake=1 #Constant value to be added to Alp (D: 0.) alp_offset=0. ### nrlmd le 10/04/2012: Declenchement ### #Déclelenchement par couche-limite (0: deterministe, 1: stochastique) iflag_trig_bl=1 #Surface critique au LCL s_trig=1.2e7 #Temps de decorrelation entre scenes de cumulus tau_trig_shallow=1200 #Temps de decorrelation entre scenes de cumulonimbus tau_trig_deep=1200 # Pour la stabilisation random_notrig_max=0.99 ok_adjwk=y tmax_fonte_cv=288.15 ### nrlmd le 10/04/2012: Fermeture ### #Fermeture par couche-limite (0: deterministe, 1: statistique, 2: statistique+convergence grande échelle) iflag_clos_bl=1 ### fin nrlmd le 10/04/2012 ## Modification de la plage de temperature pour la phase mixte liquide/glace des nuages ## Controle par les t_glace_min/max, exposant_glace, iflag_t_glace (D=0) t_glace_min=233.13 t_glace_max=273.13 exposant_glace=1. iflag_t_glace=1 iflag_ice_thermo=1 # ## The source terms of the TKE prognostic equation are diagnosed from tendencies (du, dv, dT) ## associated with subrgrid scaleamotions and treated as an additional heat source. ## Controled by a key, iflag_ener_conserv (D=-1): ## 0 : no conservation, -1 : old adhoc correction for kinetic E only (used for CMIP5) ## 1 : conservation, 101 : conversion from kinetic to heat only, 110 conversion from potential to heat only iflag_ener_conserv=1 #Activation of corrections for water conservation (D: n). ##The default is n for compatibility with earlier versions. ##generally it should be y. ok_conserv_q=y ### distribution sous-maille sur la verticale iflag_cloudth_vert=1 ### Convection: le fichier convection.def #altitude, in hPa, above LCL at which buoybase is computed, def = original: -40 dpbase=-40. #altitude, in hPa, above LCL below which Ep=0, def = original: 150, used only if flag_epKEorig=0 pbcrit=150.0 #altitude, in hPa, above LCL above which Ep=Epmax, def = original: 500, used only if flag_epKEorig=0 ptcrit=500.0 #reference fractional area of precipitating downdraughts, def = original: 0.01 sigdz=0.01 #unsaturated fraction of precipitating downdraughts, def = original: 0.15 spfac=0.15 #relaxation time of cloud base mass flux, def = original: 8000 tau=8000. #flag for wb (= vert velocity at LFC); 0->wb=wbmax, 1->wb=f(plfc) bounded, 2->wb=f(plfc) linear, def = 1 flag_wb=1 #parameter used in the computation of wb, def = 6. wbmax=6. # ok_convstop=.False. # tau_stop=15000. # ok_intermittent=.False. #shedding coefficient (used when iflag_mix_adiab=1) coef_peel=0.25 # ### Clouds #Conversion cld water->precip: Ep=f(pressure) if 0; Ep=f(temperature) if 1, def=1 flag_epKEorig=1 #max condensed water concentration in kg/kg, def=0.0003, original: 0.0011, used only if flag_epKEorig=1 elcrit=0.0003 #temperature in degre Celsius, at which Ep=Epmax, def=-55., original: -55, used only if flag_epKEorig=1 tlcrit=-55.0 ### Wakes #coefficient in Wape->C_star formula: C_star=stark*sqrt(2*Wape), def: 0.33 stark=0.33 #lifting efficiency of wakes; Alp=Alpk*Fip, Fip=power provided by wakes, def: 0.25 alpk=0.25 #wake density = number of wake centers per m2, def: 8.E-12 wdens_ref=8.E-12 #multiplicative factor of the damping by gravity waves, def: 4. coefgw=4.