[1689] | 1 | SUBROUTINE calcratqs(klon,klev,prt_level,lunout, & |
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[2236] | 2 | iflag_ratqs,iflag_con,iflag_cld_th,pdtphys, & |
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[2534] | 3 | ratqsbas,ratqshaut,ratqsp0,ratqsdp, & |
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| 4 | tau_ratqs,fact_cldcon, & |
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[1689] | 5 | ptconv,ptconvth,clwcon0th, rnebcon0th, & |
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| 6 | paprs,pplay,q_seri,zqsat,fm_therm, & |
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| 7 | ratqs,ratqsc) |
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| 8 | |
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| 9 | implicit none |
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| 10 | |
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| 11 | !======================================================================== |
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| 12 | ! Computation of ratqs, the width of the subrid scale water distribution |
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| 13 | ! (normalized by the mean value) |
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| 14 | ! Various options controled by flags iflag_con and iflag_ratqs |
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| 15 | ! F Hourdin 2012/12/06 |
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| 16 | !======================================================================== |
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| 17 | |
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| 18 | ! Declarations |
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| 19 | |
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| 20 | ! Input |
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| 21 | integer,intent(in) :: klon,klev,prt_level,lunout |
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[2236] | 22 | integer,intent(in) :: iflag_con,iflag_cld_th,iflag_ratqs |
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[1689] | 23 | real,intent(in) :: pdtphys,ratqsbas,ratqshaut,fact_cldcon,tau_ratqs |
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[2534] | 24 | real,intent(in) :: ratqsp0, ratqsdp |
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[1689] | 25 | real, dimension(klon,klev+1),intent(in) :: paprs |
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| 26 | real, dimension(klon,klev),intent(in) :: pplay,q_seri,zqsat,fm_therm |
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| 27 | logical, dimension(klon,klev),intent(in) :: ptconv |
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| 28 | real, dimension(klon,klev),intent(in) :: rnebcon0th,clwcon0th |
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| 29 | |
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| 30 | ! Output |
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| 31 | real, dimension(klon,klev),intent(inout) :: ratqs,ratqsc |
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| 32 | logical, dimension(klon,klev),intent(inout) :: ptconvth |
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| 33 | |
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| 34 | ! local |
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| 35 | integer i,k |
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| 36 | real, dimension(klon,klev) :: ratqss |
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| 37 | real facteur,zfratqs1,zfratqs2 |
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| 38 | |
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| 39 | !------------------------------------------------------------------------- |
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| 40 | ! Caclul des ratqs |
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| 41 | !------------------------------------------------------------------------- |
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| 42 | |
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| 43 | ! print*,'calcul des ratqs' |
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| 44 | ! ratqs convectifs a l'ancienne en fonction de q(z=0)-q / q |
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| 45 | ! ---------------- |
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| 46 | ! on ecrase le tableau ratqsc calcule par clouds_gno |
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[2236] | 47 | if (iflag_cld_th.eq.1) then |
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[1689] | 48 | do k=1,klev |
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| 49 | do i=1,klon |
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| 50 | if(ptconv(i,k)) then |
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| 51 | ratqsc(i,k)=ratqsbas & |
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| 52 | +fact_cldcon*(q_seri(i,1)-q_seri(i,k))/q_seri(i,k) |
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| 53 | else |
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| 54 | ratqsc(i,k)=0. |
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| 55 | endif |
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| 56 | enddo |
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| 57 | enddo |
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| 58 | |
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| 59 | !----------------------------------------------------------------------- |
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| 60 | ! par nversion de la fonction log normale |
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| 61 | !----------------------------------------------------------------------- |
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[2236] | 62 | else if (iflag_cld_th.eq.4) then |
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[1689] | 63 | ptconvth(:,:)=.false. |
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| 64 | ratqsc(:,:)=0. |
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| 65 | if(prt_level.ge.9) print*,'avant clouds_gno thermique' |
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| 66 | call clouds_gno & |
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| 67 | (klon,klev,q_seri,zqsat,clwcon0th,ptconvth,ratqsc,rnebcon0th) |
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| 68 | if(prt_level.ge.9) print*,' CLOUDS_GNO OK' |
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| 69 | |
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| 70 | endif |
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| 71 | |
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| 72 | ! ratqs stables |
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| 73 | ! ------------- |
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| 74 | |
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| 75 | if (iflag_ratqs.eq.0) then |
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| 76 | |
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| 77 | ! Le cas iflag_ratqs=0 correspond a la version IPCC 2005 du modele. |
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| 78 | do k=1,klev |
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| 79 | do i=1, klon |
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| 80 | ratqss(i,k)=ratqsbas+(ratqshaut-ratqsbas)* & |
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| 81 | min((paprs(i,1)-pplay(i,k))/(paprs(i,1)-30000.),1.) |
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| 82 | enddo |
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| 83 | enddo |
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| 84 | |
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| 85 | ! Pour iflag_ratqs=1 ou 2, le ratqs est constant au dessus de |
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| 86 | ! 300 hPa (ratqshaut), varie lineariement en fonction de la pression |
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| 87 | ! entre 600 et 300 hPa et est soit constant (ratqsbas) pour iflag_ratqs=1 |
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| 88 | ! soit lineaire (entre 0 a la surface et ratqsbas) pour iflag_ratqs=2 |
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| 89 | ! Il s'agit de differents tests dans la phase de reglage du modele |
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| 90 | ! avec thermiques. |
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| 91 | |
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| 92 | else if (iflag_ratqs.eq.1) then |
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| 93 | |
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| 94 | do k=1,klev |
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| 95 | do i=1, klon |
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| 96 | if (pplay(i,k).ge.60000.) then |
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| 97 | ratqss(i,k)=ratqsbas |
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| 98 | else if ((pplay(i,k).ge.30000.).and.(pplay(i,k).lt.60000.)) then |
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| 99 | ratqss(i,k)=ratqsbas+(ratqshaut-ratqsbas)*(60000.-pplay(i,k))/(60000.-30000.) |
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| 100 | else |
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| 101 | ratqss(i,k)=ratqshaut |
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| 102 | endif |
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| 103 | enddo |
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| 104 | enddo |
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| 105 | |
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| 106 | else if (iflag_ratqs.eq.2) then |
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| 107 | |
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| 108 | do k=1,klev |
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| 109 | do i=1, klon |
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| 110 | if (pplay(i,k).ge.60000.) then |
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| 111 | ratqss(i,k)=ratqsbas*(paprs(i,1)-pplay(i,k))/(paprs(i,1)-60000.) |
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| 112 | else if ((pplay(i,k).ge.30000.).and.(pplay(i,k).lt.60000.)) then |
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| 113 | ratqss(i,k)=ratqsbas+(ratqshaut-ratqsbas)*(60000.-pplay(i,k))/(60000.-30000.) |
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| 114 | else |
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| 115 | ratqss(i,k)=ratqshaut |
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| 116 | endif |
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| 117 | enddo |
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| 118 | enddo |
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| 119 | |
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| 120 | else if (iflag_ratqs==3) then |
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| 121 | do k=1,klev |
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| 122 | ratqss(:,k)=ratqsbas+(ratqshaut-ratqsbas) & |
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| 123 | *min( ((paprs(:,1)-pplay(:,k))/70000.)**2 , 1. ) |
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| 124 | enddo |
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| 125 | |
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| 126 | else if (iflag_ratqs==4) then |
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| 127 | do k=1,klev |
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| 128 | ratqss(:,k)=ratqsbas+0.5*(ratqshaut-ratqsbas) & |
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[2534] | 129 | ! *( tanh( (50000.-pplay(:,k))/20000.) + 1.) |
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| 130 | *( tanh( (ratqsp0-pplay(:,k))/ratqsdp) + 1.) |
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[1689] | 131 | enddo |
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| 132 | |
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| 133 | endif |
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| 134 | |
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| 135 | |
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| 136 | |
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| 137 | |
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| 138 | ! ratqs final |
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| 139 | ! ----------- |
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| 140 | |
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[2236] | 141 | if (iflag_cld_th.eq.1 .or.iflag_cld_th.eq.2.or.iflag_cld_th.eq.4) then |
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[1689] | 142 | |
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| 143 | ! On ajoute une constante au ratqsc*2 pour tenir compte de |
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| 144 | ! fluctuations turbulentes de petite echelle |
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| 145 | |
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| 146 | do k=1,klev |
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| 147 | do i=1,klon |
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| 148 | if ((fm_therm(i,k).gt.1.e-10)) then |
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| 149 | ratqsc(i,k)=sqrt(ratqsc(i,k)**2+0.05**2) |
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| 150 | endif |
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| 151 | enddo |
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| 152 | enddo |
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| 153 | |
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| 154 | ! les ratqs sont une combinaison de ratqss et ratqsc |
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| 155 | if(prt_level.ge.9) write(lunout,*)'PHYLMD NOUVEAU TAU_RATQS ',tau_ratqs |
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| 156 | |
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| 157 | if (tau_ratqs>1.e-10) then |
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| 158 | facteur=exp(-pdtphys/tau_ratqs) |
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| 159 | else |
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| 160 | facteur=0. |
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| 161 | endif |
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| 162 | ratqs(:,:)=ratqsc(:,:)*(1.-facteur)+ratqs(:,:)*facteur |
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| 163 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 164 | ! FH 22/09/2009 |
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| 165 | ! La ligne ci-dessous faisait osciller le modele et donnait une solution |
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| 166 | ! assymptotique bidon et dépendant fortement du pas de temps. |
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| 167 | ! ratqs(:,:)=sqrt(ratqs(:,:)**2+ratqss(:,:)**2) |
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| 168 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 169 | ratqs(:,:)=max(ratqs(:,:),ratqss(:,:)) |
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[2236] | 170 | else if (iflag_cld_th<=6) then |
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[1689] | 171 | ! on ne prend que le ratqs stable pour fisrtilp |
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| 172 | ratqs(:,:)=ratqss(:,:) |
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| 173 | else |
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| 174 | zfratqs1=exp(-pdtphys/10800.) |
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| 175 | zfratqs2=exp(-pdtphys/10800.) |
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| 176 | do k=1,klev |
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| 177 | do i=1,klon |
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| 178 | if (ratqsc(i,k).gt.1.e-10) then |
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[2236] | 179 | ratqs(i,k)=ratqs(i,k)*zfratqs2+(iflag_cld_th/100.)*ratqsc(i,k)*(1.-zfratqs2) |
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[1689] | 180 | endif |
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| 181 | ratqs(i,k)=min(ratqs(i,k)*zfratqs1+ratqss(i,k)*(1.-zfratqs1),0.5) |
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| 182 | enddo |
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| 183 | enddo |
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| 184 | endif |
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| 185 | |
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| 186 | |
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| 187 | return |
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| 188 | end |
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