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SUBROUTINE TLIFT(P,T,RR,RS,GZ,PLCL,ICB,NK, TVP,TPK,CLW,ND,NL, DTVPDT1,DTVPDQ1) |
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! From phylmd/tlift.F, v 1.1.1.1 2004/05/19 12:53:08 |
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! Argument NK ajoute (jyg) = Niveau de depart de la convection |
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use SUPHEC_M, only: rcpd, RCPV, rcw, rcs, rv, rd, rlvtt, RLMLT |
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implicit none |
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integer, PARAMETER:: NA=60 |
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integer nd, icb, nk, nl |
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real plcl |
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REAL GZ(ND),TPK(ND),CLW(ND) |
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REAL T(ND),RR(ND),RS(ND),TVP(ND),P(ND) |
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REAL DTVPDT1(ND),DTVPDQ1(ND) |
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! Derivatives of parcel virtual temperature with regard to T1 and Q1 |
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REAL QI(NA) |
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REAL DTPDT1(NA),DTPDQ1(NA) |
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! Derivatives of parcel temperature with regard to T1 and Q1 |
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LOGICAL ICE_CONV |
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real gravity, cpd, cpv, cl, ci, CPVMCL, CLMCI, EPS, alv0, alf0, CPP, cpinv |
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real ah0, alv, alf, tg, s, ahg, tc, denom, es, esi, qsat_new, snew |
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integer icb1, i, IMIN, j |
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!-------------------------------------------------------------- |
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! *** ASSIGN VALUES OF THERMODYNAMIC CONSTANTS *** |
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! on utilise les constantes thermo du Centre Europeen: (SB) |
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CPD = RCPD |
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CPV = RCPV |
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CL = RCW |
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CI = RCS |
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CPVMCL = CL-CPV |
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CLMCI = CL-CI |
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EPS = RD/RV |
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ALV0 = RLVTT |
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ALF0 = RLMLT ! (ALF0 = RLSTT-RLVTT) |
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! *** CALCULATE CERTAIN PARCEL QUANTITIES, INCLUDING STATIC ENERGY *** |
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ICB1=MIN(ICB,NL) |
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CPP=CPD*(1.-RR(NK))+RR(NK)*CPV |
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CPINV=1./CPP |
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! ICB may be below condensation level |
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DO I=1,ICB1 |
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CLW(I)=0.0 |
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end DO |
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DO I=NK,ICB1 |
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TPK(I)=T(NK)-(GZ(I) - GZ(NK))*CPINV |
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TVP(I)=TPK(I)*(1.+RR(NK)/EPS-RR(NK)) |
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DTVPDT1(I) = 1.+RR(NK)/EPS-RR(NK) |
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DTVPDQ1(I) = TPK(I)*(1./EPS-1.) |
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end DO |
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! *** FIND LIFTED PARCEL TEMPERATURE AND MIXING RATIO *** |
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AH0=(CPD*(1.-RR(NK))+CL*RR(NK))*T(NK) & |
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+RR(NK)*(ALV0-CPVMCL*(T(NK)-273.15)) + GZ(NK) |
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IMIN = ICB1 |
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! If ICB is below LCL, start loop at ICB+1 |
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IF (PLCL .LT. P(ICB1)) IMIN = MIN(IMIN+1,NL) |
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DO I=IMIN,NL |
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ALV=ALV0-CPVMCL*(T(I)-273.15) |
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ALF=ALF0+CLMCI*(T(I)-273.15) |
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GRAVITY=RS(I) |
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TG=T(I) |
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S=CPD*(1.-RR(NK))+CL*RR(NK)+ALV*ALV*GRAVITY/(RV*T(I)*T(I)) |
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S=1./S |
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DO J=1,2 |
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AHG=CPD*TG+(CL-CPD)*RR(NK)*TG+ALV*GRAVITY+GZ(I) |
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TG=TG+S*(AH0-AHG) |
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TC=TG-273.15 |
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DENOM=243.5+TC |
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DENOM=MAX(DENOM,1.0) |
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! FORMULE DE BOLTON POUR PSAT |
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ES=6.112*EXP(17.67*TC/DENOM) |
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GRAVITY=EPS*ES/(P(I)-ES*(1.-EPS)) |
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end DO |
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TPK(I)=(AH0-GZ(I)-ALV*GRAVITY)/(CPD+(CL-CPD)*RR(NK)) |
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CLW(I)=RR(NK)-GRAVITY |
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CLW(I)=MAX(0.0,CLW(I)) |
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TVP(I)=TPK(I)*(1.+GRAVITY/EPS-RR(NK)) |
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!jyg1 Derivatives |
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DTPDT1(I) = CPD*S |
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DTPDQ1(I) = ALV*S |
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DTVPDT1(I) = DTPDT1(I)*(1. + GRAVITY/EPS - & |
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RR(NK) + ALV*GRAVITY/(RD*TPK(I)) ) |
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DTVPDQ1(I) = DTPDQ1(I)*(1. + GRAVITY/EPS - & |
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RR(NK) + ALV*GRAVITY/(RD*TPK(I)) ) - TPK(I) |
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end DO |
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ICE_CONV = .FALSE. |
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IF (ICE_CONV) THEN |
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DO I=ICB1,NL |
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IF (T(I).LT.263.15) THEN |
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TG=TPK(I) |
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TC=TPK(I)-273.15 |
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DENOM=243.5+TC |
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ES=6.112*EXP(17.67*TC/DENOM) |
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ALV=ALV0-CPVMCL*(T(I)-273.15) |
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ALF=ALF0+CLMCI*(T(I)-273.15) |
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DO J=1,4 |
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ESI=EXP(23.33086-(6111.72784/TPK(I))+0.15215*LOG(TPK(I))) |
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QSAT_NEW=EPS*ESI/(P(I)-ESI*(1.-EPS)) |
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SNEW= CPD*(1.-RR(NK))+CL*RR(NK) & |
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+ALV*ALV*QSAT_NEW/(RV*TPK(I)*TPK(I)) |
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SNEW=1./SNEW |
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TPK(I)=TG+(ALF*QI(I)+ALV*GRAVITY*(1.-(ESI/ES)))*SNEW |
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ENDDO |
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CLW(I)=RR(NK)-QSAT_NEW |
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CLW(I)=MAX(0.0,CLW(I)) |
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TVP(I)=TPK(I)*(1.+QSAT_NEW/EPS-RR(NK)) |
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ENDIF |
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end DO |
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ENDIF |
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!* BK : RAJOUT DE LA TEMPERATURE DES ASCENDANCES |
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!* NON DILUES AU NIVEAU KLEV = ND |
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!* POSONS LE ENVIRON EGAL A CELUI DE KLEV-1 |
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TPK(NL+1)=TPK(NL) |
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END SUBROUTINE TLIFT |
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