MODULE module_bl_mynn
USE module_model_constants, only: &
&karman, g, p1000mb, &
&cp, r_d, rcp, xlv, &
&svp1, svp2, svp3, svpt0, ep_1, ep_2
IMPLICIT NONE
REAL, PARAMETER :: cphm_st=5.0, cphm_unst=16.0, &
cphh_st=5.0, cphh_unst=16.0
REAL, PARAMETER :: xlvcp=xlv/cp, ev=xlv, rd=r_d, rk=cp/rd, &
&svp11=svp1*1.e3, p608=ep_1, ep_3=1.-ep_2
REAL, PARAMETER :: tref=300.0
REAL, PARAMETER :: tv0=p608*tref, tv1=(1.+p608)*tref, gtr=g/tref
REAL, PARAMETER :: &
&vk = karman, &
&pr = 0.74, &
&g1 = 0.235, &
&b1 = 24.0, &
&b2 = 15.0, &
&c2 = 0.729, &
&c3 = 0.340, &
&c4 = 0.0, &
&c5 = 0.2, &
&a1 = b1*( 1.0-3.0*g1 )/6.0, &
&c1 = g1 -1.0/( 3.0*a1*2.88449914061481660), &
&a2 = a1*( g1-c1 )/( g1*pr ), &
&g2 = b2/b1*( 1.0-c3 ) +2.0*a1/b1*( 3.0-2.0*c2 )
REAL, PARAMETER :: &
&cc2 = 1.0-c2, &
&cc3 = 1.0-c3, &
&e1c = 3.0*a2*b2*cc3, &
&e2c = 9.0*a1*a2*cc2, &
&e3c = 9.0*a2*a2*cc2*( 1.0-c5 ), &
&e4c = 12.0*a1*a2*cc2, &
&e5c = 6.0*a1*a1
REAL, PARAMETER :: qmin=0.0, zmax=1.0, cns=2.7, &
&alp1=0.23, alp2=0.53, alp3=5.0, alp4=100.0, Sqfac=2.0
REAL, PARAMETER :: gno=4.64158883361278196
REAL, PARAMETER :: gpw=5./3., qcgmin=1.e-8,qkemin=1.e-12
REAL, PARAMETER :: rr2=0.7071068, rrp=0.3989423
REAL, PARAMETER :: CKmod=1.
REAL, PARAMETER :: BLmod=1.
INTEGER :: mynn_level
CONTAINS
SUBROUTINE mym_initialize ( kts,kte,&
& dz, zw, &
& u, v, thl, qw, &
& zi,theta,&
& ust, rmo, &
& Qke, Tsq, Qsq, Cov)
INTEGER, INTENT(IN) :: kts,kte
REAL, INTENT(IN) :: ust, rmo
REAL, DIMENSION(kts:kte), INTENT(in) :: dz
REAL, DIMENSION(kts:kte+1), INTENT(in) :: zw
REAL, DIMENSION(kts:kte), INTENT(in) :: u,v,thl,qw
REAL, DIMENSION(kts:kte), INTENT(out) :: qke,tsq,qsq,cov
REAL, DIMENSION(kts:kte) :: &
&ql,el,pdk,pdt,pdq,pdc,dtl,dqw,dtv,&
&gm,gh,sm,sh,qkw,vt,vq
INTEGER :: k,l,lmax
REAL :: phm,vkz,elq,elv,b1l,b2l,pmz=1.,phh=1.,flt=0.,flq=0.,tmpq
REAL :: zi
REAL, DIMENSION(kts:kte) :: theta
DO k = kts,kte
ql(k) = 0.0
vt(k) = 0.0
vq(k) = 0.0
END DO
CALL mym_level2 ( kts,kte,&
& dz, &
& u, v, thl, qw, &
& ql, vt, vq, &
& dtl, dqw, dtv, gm, gh, sm, sh )
el (kts) = 0.0
qke(kts) = ust**2 * ( b1*pmz )**(2.0/3.0)
phm = phh*b2 / ( b1*pmz )**(1.0/3.0)
tsq(kts) = phm*( flt/ust )**2
qsq(kts) = phm*( flq/ust )**2
cov(kts) = phm*( flt/ust )*( flq/ust )
DO k = kts+1,kte
vkz = vk*zw(k)
el (k) = vkz/( 1.0 + vkz/100.0 )
qke(k) = 0.0
tsq(k) = 0.0
qsq(k) = 0.0
cov(k) = 0.0
END DO
lmax = 5
DO l = 1,lmax
CALL mym_length ( kts,kte,&
& dz, zw, &
& rmo, flt, flq, &
& vt, vq, &
& qke, &
& dtv, &
& el, &
& zi,theta,&
& qkw)
DO k = kts+1,kte
elq = el(k)*qkw(k)
pdk(k) = elq*( sm(k)*gm (k)+&
&sh(k)*gh (k) )
pdt(k) = elq* sh(k)*dtl(k)**2
pdq(k) = elq* sh(k)*dqw(k)**2
pdc(k) = elq* sh(k)*dtl(k)*dqw(k)
END DO
vkz = vk*0.5*dz(kts)
elv = 0.5*( el(kts+1)+el(kts) ) / vkz
qke(kts) = ust**2 * ( b1*pmz*elv )**(2.0/3.0)
phm = phh*b2 / ( b1*pmz/elv**2 )**(1.0/3.0)
tsq(kts) = phm*( flt/ust )**2
qsq(kts) = phm*( flq/ust )**2
cov(kts) = phm*( flt/ust )*( flq/ust )
DO k = kts+1,kte-1
b1l = b1*0.25*( el(k+1)+el(k) )
tmpq=MAX(b1l*( pdk(k+1)+pdk(k) ),qkemin)
qke(k) = tmpq**(2.0/3.0)
IF ( qke(k) .LE. 0.0 ) THEN
b2l = 0.0
ELSE
b2l = b2*( b1l/b1 ) / SQRT( qke(k) )
END IF
tsq(k) = b2l*( pdt(k+1)+pdt(k) )
qsq(k) = b2l*( pdq(k+1)+pdq(k) )
cov(k) = b2l*( pdc(k+1)+pdc(k) )
END DO
END DO
qke(kte)=qke(kte-1)
tsq(kte)=tsq(kte-1)
qsq(kte)=qsq(kte-1)
cov(kte)=cov(kte-1)
END SUBROUTINE mym_initialize
SUBROUTINE mym_level2 (kts,kte,&
& dz, &
& u, v, thl, qw, &
& ql, vt, vq, &
& dtl, dqw, dtv, gm, gh, sm, sh )
INTEGER, INTENT(IN) :: kts,kte
REAL, DIMENSION(kts:kte), INTENT(in) :: dz
REAL, DIMENSION(kts:kte), INTENT(in) :: u,v,thl,qw,ql,vt,vq
REAL, DIMENSION(kts:kte), INTENT(out) :: &
&dtl,dqw,dtv,gm,gh,sm,sh
INTEGER :: k
REAL :: rfc,f1,f2,rf1,rf2,smc,shc,&
&ri1,ri2,ri3,ri4,duz,dtz,dqz,vtt,vqq,dtq,dzk,afk,abk,ri,rf
REAL :: a2den
rfc = g1/( g1+g2 )
f1 = b1*( g1-c1 ) +3.0*a2*( 1.0 -c2 )*( 1.0-c5 ) &
& +2.0*a1*( 3.0-2.0*c2 )
f2 = b1*( g1+g2 ) -3.0*a1*( 1.0 -c2 )
rf1 = b1*( g1-c1 )/f1
rf2 = b1* g1 /f2
smc = a1 /a2* f1/f2
shc = 3.0*a2*( g1+g2 )
ri1 = 0.5/smc
ri2 = rf1*smc
ri3 = 4.0*rf2*smc -2.0*ri2
ri4 = ri2**2
DO k = kts+1,kte
dzk = 0.5 *( dz(k)+dz(k-1) )
afk = dz(k)/( dz(k)+dz(k-1) )
abk = 1.0 -afk
duz = ( u(k)-u(k-1) )**2 +( v(k)-v(k-1) )**2
duz = duz /dzk**2
dtz = ( thl(k)-thl(k-1) )/( dzk )
dqz = ( qw(k)-qw(k-1) )/( dzk )
vtt = 1.0 +vt(k)*abk +vt(k-1)*afk
vqq = tv0 +vq(k)*abk +vq(k-1)*afk
dtq = vtt*dtz +vqq*dqz
dtl(k) = dtz
dqw(k) = dqz
dtv(k) = dtq
gm (k) = duz
gh (k) = -dtq*gtr
ri = -gh(k)/MAX( duz, 1.0e-10 )
IF (CKmod .eq. 1) THEN
a2den = 1. + MAX(ri,0.0)
ELSE
a2den = 1. + 0.0
ENDIF
rfc = g1/( g1+g2 )
f1 = b1*( g1-c1 ) +3.0*(a2/a2den)*( 1.0 -c2 )*( 1.0-c5 ) &
& +2.0*a1*( 3.0-2.0*c2 )
f2 = b1*( g1+g2 ) -3.0*a1*( 1.0 -c2 )
rf1 = b1*( g1-c1 )/f1
rf2 = b1* g1 /f2
smc = a1 /(a2/a2den)* f1/f2
shc = 3.0*(a2/a2den)*( g1+g2 )
ri1 = 0.5/smc
ri2 = rf1*smc
ri3 = 4.0*rf2*smc -2.0*ri2
ri4 = ri2**2
rf = MIN( ri1*( ri+ri2-SQRT(ri**2-ri3*ri+ri4) ), rfc )
sh (k) = shc*( rfc-rf )/( 1.0-rf )
sm (k) = smc*( rf1-rf )/( rf2-rf ) * sh(k)
END DO
RETURN
END SUBROUTINE mym_level2
SUBROUTINE mym_length ( kts,kte,&
& dz, zw, &
& rmo, flt, flq, &
& vt, vq, &
& qke, &
& dtv, &
& el, &
& zi,theta,&
& qkw)
INTEGER, INTENT(IN) :: kts,kte
REAL, DIMENSION(kts:kte), INTENT(in) :: dz
REAL, DIMENSION(kts:kte+1), INTENT(in) :: zw
REAL, INTENT(in) :: rmo,flt,flq
REAL, DIMENSION(kts:kte), INTENT(IN) :: qke,vt,vq
REAL, DIMENSION(kts:kte), INTENT(out) :: qkw, el
REAL, DIMENSION(kts:kte), INTENT(in) :: dtv
REAL :: elt,vsc
REAL, DIMENSION(kts:kte), INTENT(IN) :: theta
REAL, DIMENSION(kts:kte) :: qtke,elBLmin,elBLavg
REAL :: wt,zi,zi2,elt0,h1,h2,alp1mod
REAL, PARAMETER :: minzi = 300.
REAL, PARAMETER :: maxdz = 750.
REAL, PARAMETER :: mindz = 300.
INTEGER :: i,j,k
REAL :: afk,abk,zwk,dzk,qdz,vflx,bv,elb,els,elf
zi2=MAX(zi,minzi)
h1=MAX(0.3*zi2,mindz)
h1=MIN(h1,maxdz)
h2=h1/2.0
qtke(kts)=MAX(qke(kts)/2.,0.01)
DO k = kts+1,kte
afk = dz(k)/( dz(k)+dz(k-1) )
abk = 1.0 -afk
qkw(k) = SQRT(MAX(qke(k)*abk+qke(k-1)*&
&afk,1.0e-10))
qtke(k) = MAX(qke(k)/2.,0.001)
END DO
elt = 1.0e-5
vsc = 1.0e-5
k = kts+1
zwk = zw(k)
DO WHILE (zwk .LE. (zi2+h1))
dzk = 0.5*( dz(k)+dz(k-1) )
qdz = MAX( qkw(k)-qmin, 0.0 )*dzk
elt = elt +qdz*zwk
vsc = vsc +qdz
k = k+1
zwk = zw(k)
END DO
elt = alp1*elt/vsc
vflx = ( vt(kts)+1.0 )*flt +( vq(kts)+tv0 )*flq
vsc = ( gtr*elt*MAX( vflx, 0.0 ) )**(1.0/3.0)
el(kts) = 0.0
IF ( BLmod .GT. 0. ) THEN
CALL boulac_length(kts,kte,zw,dz,qtke,theta,elBLmin,elBLavg)
ENDIF
DO k = kts+1,kte
zwk = zw(k)
IF ( BLmod .GT. 0. ) THEN
wt=.5*TANH((zwk - (zi2+h1))/h2) + .5
elt0=elt*(1.-wt) + elBLmin(k)*wt
ELSE
elt0=elt
ENDIF
IF ( dtv(k) .GT. 0.0 ) THEN
bv = SQRT( gtr*dtv(k) )
elb = alp2*qkw(k) / bv &
& *( 1.0 + alp3/alp2*&
&SQRT( vsc/( bv*elt ) ) )
elf = alp2 * qkw(k)/bv
ELSE
elb = 1.0e10
elf = elb
END IF
IF ( BLmod .GT. 0. ) THEN
wt=.5*TANH((zwk - (zi2+h1))/h2) + .5
elb=elb*(1.-wt) + elBLmin(k)*wt
ENDIF
IF ( rmo .GT. 0.0 ) THEN
els = vk*zwk &
& /( 1.0 + cns*MIN( zwk*rmo, zmax ) )
ELSE
els = vk*zwk &
& *( 1.0 - alp4* zwk*rmo )**0.2
END IF
el(k) = MIN(elb/( elb/elt0+elb/els+1.0 ),elf)
END DO
RETURN
END SUBROUTINE mym_length
SUBROUTINE boulac_length(kts,kte,zw,dz,qtke,theta,lb1,lb2)
INTEGER, INTENT(IN) :: kts,kte
REAL, DIMENSION(kts:kte), INTENT(IN) :: qtke,dz,theta
REAL, DIMENSION(kts:kte), INTENT(OUT) :: lb1,lb2
REAL, DIMENSION(kts:kte+1), INTENT(IN) :: zw
INTEGER :: iz, izz, found
REAL, DIMENSION(kts:kte) :: dlu,dld
REAL :: dzt, zup, beta, zup_inf, bbb, tl, zdo, zdo_sup, zzz
do iz=kts,kte
zup=0.
dlu(iz)=zw(kte+1)-zw(iz)-dz(iz)/2.
zzz=0.
zup_inf=0.
beta=g/theta(iz)
if (iz .lt. kte) then
found = 0
izz=iz
DO WHILE (found .EQ. 0)
if (izz .lt. kte) then
dzt=(dz(izz+1)+dz(izz))/2.
zup=zup-beta*theta(iz)*dzt
zup=zup+beta*(theta(izz+1)+theta(izz))*dzt/2.
zzz=zzz+dzt
if (qtke(iz).lt.zup .and. qtke(iz).ge.zup_inf) then
bbb=(theta(izz+1)-theta(izz))/dzt
if (bbb .ne. 0.) then
tl=(-beta*(theta(izz)-theta(iz)) + &
& sqrt( max(0.,(beta*(theta(izz)-theta(iz)))**2. + &
& 2.*bbb*beta*(qtke(iz)-zup_inf))))/bbb/beta
else
if (theta(izz) .ne. theta(iz))then
tl=(qtke(iz)-zup_inf)/(beta*(theta(izz)-theta(iz)))
else
tl=0.
endif
endif
dlu(iz)=zzz-dzt+tl
found = 1
endif
zup_inf=zup
izz=izz+1
ELSE
found = 1
ENDIF
ENDDO
endif
zdo=0.
zdo_sup=0.
dld(iz)=zw(iz)+dz(iz)/2.
zzz=0.
if (iz .gt. kts) then
found = 0
izz=iz
DO WHILE (found .EQ. 0)
if (izz .gt. kts) then
dzt=(dz(izz-1)+dz(izz))/2.
zdo=zdo+beta*theta(iz)*dzt
zdo=zdo-beta*(theta(izz-1)+theta(izz))*dzt/2.
zzz=zzz+dzt
if (qtke(iz).lt.zdo .and. qtke(iz).ge.zdo_sup) then
bbb=(theta(izz)-theta(izz-1))/dzt
if (bbb .ne. 0.) then
tl=(beta*(theta(izz)-theta(iz))+ &
& sqrt( max(0.,(beta*(theta(izz)-theta(iz)))**2. + &
& 2.*bbb*beta*(qtke(iz)-zdo_sup))))/bbb/beta
else
if (theta(izz) .ne. theta(iz)) then
tl=(qtke(iz)-zdo_sup)/(beta*(theta(izz)-theta(iz)))
else
tl=0.
endif
endif
dld(iz)=zzz-dzt+tl
found = 1
endif
zdo_sup=zdo
izz=izz-1
ELSE
found = 1
ENDIF
ENDDO
endif
dld(iz) = min(dld(iz),zw(iz+1))
lb1(iz) = min(dlu(iz),dld(iz))
lb2(iz) = sqrt(dlu(iz)*dld(iz))
if (iz .eq. kte) then
lb1(kte) = lb1(kte-1)
lb2(kte) = lb2(kte-1)
endif
ENDDO
END SUBROUTINE boulac_length
SUBROUTINE mym_turbulence ( kts,kte,&
& levflag, &
& dz, zw, &
& u, v, thl, ql, qw, &
& qke, tsq, qsq, cov, &
& vt, vq,&
& rmo, flt, flq, &
& zi,theta,&
& El,&
& Dfm, Dfh, Dfq, Tcd, Qcd, Pdk, Pdt, Pdq, Pdc, &
& qWT1D,qSHEAR1D,qBUOY1D,qDISS1D)
INTEGER, INTENT(IN) :: kts,kte
INTEGER, INTENT(IN) :: levflag
REAL, DIMENSION(kts:kte), INTENT(in) :: dz
REAL, DIMENSION(kts:kte+1), INTENT(in) :: zw
REAL, INTENT(in) :: rmo,flt,flq
REAL, DIMENSION(kts:kte), INTENT(in) :: u,v,thl,qw,&
&ql,vt,vq,qke,tsq,qsq,cov
REAL, DIMENSION(kts:kte), INTENT(out) :: dfm,dfh,dfq,&
&pdk,pdt,pdq,pdc,tcd,qcd,el
REAL, DIMENSION(kts:kte), INTENT(out) :: qWT1D,&
&qSHEAR1D,qBUOY1D,qDISS1D
REAL :: q3sq_old,dlsq1,qWTP_old,qWTP_new
REAL :: dudz,dvdz,dTdz,&
upwp,vpwp,Tpwp
REAL, DIMENSION(kts:kte) :: qkw,dtl,dqw,dtv,gm,gh,sm,sh
INTEGER :: k
REAL :: e6c,dzk,afk,abk,vtt,vqq,&
&cw25,clow,cupp,gamt,gamq,smd,gamv,elq,elh
REAL :: zi
REAL, DIMENSION(kts:kte), INTENT(in) :: theta
REAL :: a2den, duz, ri
DOUBLE PRECISION q2sq, t2sq, r2sq, c2sq, elsq, gmel, ghel
DOUBLE PRECISION q3sq, t3sq, r3sq, c3sq, dlsq, qdiv
DOUBLE PRECISION e1, e2, e3, e4, enum, eden, wden
CALL mym_level2 (kts,kte,&
& dz, &
& u, v, thl, qw, &
& ql, vt, vq, &
& dtl, dqw, dtv, gm, gh, sm, sh )
CALL mym_length (kts,kte, &
& dz, zw, &
& rmo, flt, flq, &
& vt, vq, &
& qke, &
& dtv, &
& el, &
& zi,theta,&
& qkw)
DO k = kts+1,kte
dzk = 0.5 *( dz(k)+dz(k-1) )
afk = dz(k)/( dz(k)+dz(k-1) )
abk = 1.0 -afk
elsq = el (k)**2
q2sq = b1*elsq*( sm(k)*gm(k)+sh(k)*gh(k) )
q3sq = qkw(k)**2
duz = ( u(k)-u(k-1) )**2 +( v(k)-v(k-1) )**2
duz = duz /dzk**2
ri = -gh(k)/MAX( duz, 1.0e-10 )
IF (CKmod .eq. 1) THEN
a2den = 1. + MAX(ri,0.0)
ELSE
a2den = 1. + 0.0
ENDIF
gmel = gm (k)*elsq
ghel = gh (k)*elsq
IF ( q3sq .LT. q2sq ) THEN
qdiv = SQRT( q3sq/q2sq )
sm(k) = sm(k) * qdiv
sh(k) = sh(k) * qdiv
e1 = q3sq - e1c*ghel/a2den * qdiv**2
e2 = q3sq - e2c*ghel/a2den * qdiv**2
e3 = e1 + e3c*ghel/(a2den**2) * qdiv**2
e4 = e1 - e4c*ghel/a2den * qdiv**2
eden = e2*e4 + e3*e5c*gmel * qdiv**2
eden = MAX( eden, 1.0d-20 )
ELSE
e1 = q3sq - e1c*ghel/a2den
e2 = q3sq - e2c*ghel/a2den
e3 = e1 + e3c*ghel/(a2den**2)
e4 = e1 - e4c*ghel/a2den
eden = e2*e4 + e3*e5c*gmel
eden = MAX( eden, 1.0d-20 )
qdiv = 1.0
sm(k) = q3sq*a1*( e3-3.0*c1*e4 )/eden
sh(k) = q3sq*(a2/a2den)*( e2+3.0*c1*e5c*gmel )/eden
END IF
IF ( levflag .EQ. 3 ) THEN
t2sq = qdiv*b2*elsq*sh(k)*dtl(k)**2
r2sq = qdiv*b2*elsq*sh(k)*dqw(k)**2
c2sq = qdiv*b2*elsq*sh(k)*dtl(k)*dqw(k)
t3sq = MAX( tsq(k)*abk+tsq(k-1)*afk, 0.0 )
r3sq = MAX( qsq(k)*abk+qsq(k-1)*afk, 0.0 )
c3sq = cov(k)*abk+cov(k-1)*afk
c3sq = SIGN( MIN( ABS(c3sq), SQRT(t3sq*r3sq) ), c3sq )
vtt = 1.0 +vt(k)*abk +vt(k-1)*afk
vqq = tv0 +vq(k)*abk +vq(k-1)*afk
t2sq = vtt*t2sq +vqq*c2sq
r2sq = vtt*c2sq +vqq*r2sq
c2sq = MAX( vtt*t2sq+vqq*r2sq, 0.0d0 )
t3sq = vtt*t3sq +vqq*c3sq
r3sq = vtt*c3sq +vqq*r3sq
c3sq = MAX( vtt*t3sq+vqq*r3sq, 0.0d0 )
cw25 = e1*( e2 + 3.0*c1*e5c*gmel*qdiv**2 )/( 3.0*eden )
dlsq = elsq
IF ( q3sq/dlsq .LT. -gh(k) ) q3sq = -dlsq*gh(k)
e2 = q3sq - e2c*ghel/a2den * qdiv**2
e3 = q3sq + e3c*ghel/(a2den**2) * qdiv**2
e4 = q3sq - e4c*ghel/a2den * qdiv**2
eden = e2*e4 + e3 *e5c*gmel * qdiv**2
wden = cc3*gtr**2 * dlsq**2/elsq * qdiv**2 &
& *( e2*e4c/a2den - e3c*e5c*gmel/(a2den**2) * qdiv**2 )
IF ( wden .NE. 0.0 ) THEN
clow = q3sq*( 0.12-cw25 )*eden/wden
cupp = q3sq*( 0.76-cw25 )*eden/wden
IF ( wden .GT. 0.0 ) THEN
c3sq = MIN( MAX( c3sq, c2sq+clow ), c2sq+cupp )
ELSE
c3sq = MAX( MIN( c3sq, c2sq+clow ), c2sq+cupp )
END IF
END IF
e1 = e2 + e5c*gmel * qdiv**2
eden = MAX( eden, 1.0d-20 )
e6c = 3.0*(a2/a2den)*cc3*gtr * dlsq/elsq
IF ( t2sq .GE. 0.0 ) THEN
enum = MAX( qdiv*e6c*( t3sq-t2sq ), 0.0d0 )
ELSE
enum = MIN( qdiv*e6c*( t3sq-t2sq ), 0.0d0 )
ENDIF
gamt =-e1 *enum /eden
IF ( r2sq .GE. 0.0 ) THEN
enum = MAX( qdiv*e6c*( r3sq-r2sq ), 0.0d0 )
ELSE
enum = MIN( qdiv*e6c*( r3sq-r2sq ), 0.0d0 )
ENDIF
gamq =-e1 *enum /eden
enum = MAX( qdiv*e6c*( c3sq-c2sq ), 0.0d0)
smd = dlsq*enum*gtr/eden * qdiv**2 * (e3c/(a2den**2) + e4c/a2den)*a1/(a2/a2den)
gamv = e1 *enum*gtr/eden
sm(k) = sm(k) +smd
qdiv = 1.0
ELSE
gamt = 0.0
gamq = 0.0
gamv = 0.0
END IF
elq = el(k)*qkw(k)
elh = elq*qdiv
pdk(k) = elq*( sm(k)*gm (k) &
& +sh(k)*gh (k)+gamv )
pdt(k) = elh*( sh(k)*dtl(k)+gamt )*dtl(k)
pdq(k) = elh*( sh(k)*dqw(k)+gamq )*dqw(k)
pdc(k) = elh*( sh(k)*dtl(k)+gamt )&
&*dqw(k)*0.5 &
&+elh*( sh(k)*dqw(k)+gamq )*dtl(k)*0.5
tcd(k) = elq*gamt
qcd(k) = elq*gamq
dfm(k) = elq*sm (k) / dzk
dfh(k) = elq*sh (k) / dzk
dfq(k) = dfm(k)
dudz = ( u(k)-u(k-1) )/dzk
dvdz = ( v(k)-v(k-1) )/dzk
dTdz = ( thl(k)-thl(k-1) )/dzk
upwp = -elq*sm(k)*dudz
vpwp = -elq*sm(k)*dvdz
Tpwp = -elq*sh(k)*dTdz
Tpwp = SIGN(MAX(ABS(Tpwp),1.E-6),Tpwp)
IF ( k .EQ. kts+1 ) THEN
qWT1D(kts)=0.
q3sq_old =0.
qWTP_old =0.
dlsq1 = MAX(el(kts)**2,1.0)
IF ( q3sq_old/dlsq1 .LT. -gh(k) ) q3sq_old = -dlsq1*gh(k)
ENDIF
qWTP_new = elq*Sqfac*sm(k)*(q3sq - q3sq_old)/dzk
qWT1D(k) = 0.5*(qWTP_new - qWTP_old)/dzk
qWTP_old = elq*Sqfac*sm(k)*(q3sq - q3sq_old)/dzk
q3sq_old = q3sq
qSHEAR1D(k) = elq*sm(k)*gm(k)
qBUOY1D(k) = elq*(sh(k)*(-dTdz*g/thl(k)) + gamv)
qDISS1D(k) = (q3sq**(3./2.))/(b1*MAX(el(k),1.))
END DO
dfm(kts) = 0.0
dfh(kts) = 0.0
dfq(kts) = 0.0
tcd(kts) = 0.0
qcd(kts) = 0.0
tcd(kte) = 0.0
qcd(kte) = 0.0
DO k = kts,kte-1
dzk = dz(k)
tcd(k) = ( tcd(k+1)-tcd(k) )/( dzk )
qcd(k) = ( qcd(k+1)-qcd(k) )/( dzk )
END DO
qWT1D(kts)=0.
qSHEAR1D(kts)=qSHEAR1D(kts+1)
qBUOY1D(kts)=qBUOY1D(kts+1)
qDISS1D(kts)=qDISS1D(kts+1)
RETURN
END SUBROUTINE mym_turbulence
SUBROUTINE mym_predict (kts,kte,&
& levflag, &
& delt,&
& dz, &
& ust, flt, flq, pmz, phh, &
& el, dfq, &
& pdk, pdt, pdq, pdc,&
& qke, tsq, qsq, cov,&
& dqke1D)
INTEGER, INTENT(IN) :: kts,kte
INTEGER, INTENT(IN) :: levflag
REAL, INTENT(IN) :: delt
REAL, DIMENSION(kts:kte), INTENT(IN) :: dz, dfq,el
REAL, DIMENSION(kts:kte), INTENT(INOUT) :: pdk, pdt, pdq, pdc
REAL, INTENT(IN) :: flt, flq, ust, pmz, phh
REAL, DIMENSION(kts:kte), INTENT(INOUT) :: qke,tsq, qsq, cov
REAL, DIMENSION(kts:kte), INTENT(OUT) :: dqke1D
INTEGER :: k,nz
REAL, DIMENSION(kts:kte) :: qkw, bp, rp, df3q
REAL :: vkz,pdk1,phm,pdt1,pdq1,pdc1,b1l,b2l
REAL, DIMENSION(kts:kte) :: dtz
REAL, DIMENSION(1:kte-kts+1) :: a,b,c,d
nz=kte-kts+1
vkz = vk*0.5*dz(kts)
DO k = kts,kte
qkw(k) = SQRT( MAX( qke(k), 0.0 ) )
df3q(k)=Sqfac*dfq(k)
dtz(k)=delt/dz(k)
END DO
pdk1 = 2.0*ust**3*pmz/( vkz )
phm = 2.0/ust *phh/( vkz )
pdt1 = phm*flt**2
pdq1 = phm*flq**2
pdc1 = phm*flt*flq
pdk(kts) = pdk1 -pdk(kts+1)
pdt(kts) = pdt(kts+1)
pdq(kts) = pdq(kts+1)
pdc(kts) = pdc(kts+1)
DO k = kts,kte-1
b1l = b1*0.5*( el(k+1)+el(k) )
bp(k) = 2.*qkw(k) / b1l
rp(k) = pdk(k+1) + pdk(k)
END DO
DO k=kts,kte-1
a(k-kts+1)=-dtz(k)*df3q(k)
b(k-kts+1)=1.+dtz(k)*(df3q(k)+df3q(k+1))+bp(k)*delt
c(k-kts+1)=-dtz(k)*df3q(k+1)
d(k-kts+1)=rp(k)*delt + qke(k)
ENDDO
a(nz)=-1.
b(nz)=1.
c(nz)=0.
d(nz)=0.
CALL tridiag(nz,a,b,c,d)
DO k=kts,kte
dqke1D(k)=qke(k)
qke(k)=d(k-kts+1)
dqke1D(k)=(qke(k)-dqke1D(k))*0.5
ENDDO
IF ( levflag .EQ. 3 ) THEN
DO k = kts,kte-1
b2l = b2*0.5*( el(k+1)+el(k) )
bp(k) = 2.*qkw(k) / b2l
rp(k) = pdt(k+1) + pdt(k)
END DO
DO k=kts,kte-1
a(k-kts+1)=-dtz(k)*dfq(k)
b(k-kts+1)=1.+dtz(k)*(dfq(k)+dfq(k+1))+bp(k)*delt
c(k-kts+1)=-dtz(k)*dfq(k+1)
d(k-kts+1)=rp(k)*delt + tsq(k)
ENDDO
a(nz)=-1.
b(nz)=1.
c(nz)=0.
d(nz)=0.
CALL tridiag(nz,a,b,c,d)
DO k=kts,kte
tsq(k)=d(k-kts+1)
ENDDO
DO k = kts,kte-1
b2l = b2*0.5*( el(k+1)+el(k) )
bp(k) = 2.*qkw(k) / b2l
rp(k) = pdq(k+1) +pdq(k)
END DO
DO k=kts,kte-1
a(k-kts+1)=-dtz(k)*dfq(k)
b(k-kts+1)=1.+dtz(k)*(dfq(k)+dfq(k+1))+bp(k)*delt
c(k-kts+1)=-dtz(k)*dfq(k+1)
d(k-kts+1)=rp(k)*delt + qsq(k)
ENDDO
a(nz)=-1.
b(nz)=1.
c(nz)=0.
d(nz)=0.
CALL tridiag(nz,a,b,c,d)
DO k=kts,kte
qsq(k)=d(k-kts+1)
ENDDO
DO k = kts,kte-1
b2l = b2*0.5*( el(k+1)+el(k) )
bp(k) = 2.*qkw(k) / b2l
rp(k) = pdc(k+1) + pdc(k)
END DO
DO k=kts,kte-1
a(k-kts+1)=-dtz(k)*dfq(k)
b(k-kts+1)=1.+dtz(k)*(dfq(k)+dfq(k+1))+bp(k)*delt
c(k-kts+1)=-dtz(k)*dfq(k+1)
d(k-kts+1)=rp(k)*delt + cov(k)
ENDDO
a(nz)=-1.
b(nz)=1.
c(nz)=0.
d(nz)=0.
CALL tridiag(nz,a,b,c,d)
DO k=kts,kte
cov(k)=d(k-kts+1)
ENDDO
ELSE
DO k = kts,kte-1
IF ( qkw(k) .LE. 0.0 ) THEN
b2l = 0.0
ELSE
b2l = b2*0.25*( el(k+1)+el(k) )/qkw(k)
END IF
tsq(k) = b2l*( pdt(k+1)+pdt(k) )
qsq(k) = b2l*( pdq(k+1)+pdq(k) )
cov(k) = b2l*( pdc(k+1)+pdc(k) )
END DO
tsq(kte)=tsq(kte-1)
qsq(kte)=qsq(kte-1)
cov(kte)=cov(kte-1)
END IF
END SUBROUTINE mym_predict
SUBROUTINE mym_condensation (kts,kte, &
& dz, &
& thl, qw, &
& p,exner, &
& tsq, qsq, cov, &
& Vt, Vq)
INTEGER, INTENT(IN) :: kts,kte
REAL, DIMENSION(kts:kte), INTENT(IN) :: dz
REAL, DIMENSION(kts:kte), INTENT(IN) :: p,exner, thl, qw, &
&tsq, qsq, cov
REAL, DIMENSION(kts:kte), INTENT(OUT) :: vt,vq
REAL, DIMENSION(kts:kte) :: qmq,alp,bet,sgm,ql,cld
DOUBLE PRECISION :: t3sq, r3sq, c3sq
REAL :: p2a,t,esl,qsl,dqsl,q1,cld0,eq1,qll,&
&q2p,pt,rac,qt
INTEGER :: i,j,k
REAL :: erf
DO k = kts,kte-1
p2a = exner(k)
t = thl(k)*p2a
esl=svp11*EXP(svp2*(t-svpt0)/(t-svp3))
qsl=ep_2*esl/(p(k)-ep_3*esl)
dqsl = qsl*ep_2*ev/( rd*t**2 )
qmq(k) = qw(k) -qsl
alp(k) = 1.0/( 1.0+dqsl*xlvcp )
bet(k) = dqsl*p2a
t3sq = MAX( tsq(k), 0.0 )
r3sq = MAX( qsq(k), 0.0 )
c3sq = cov(k)
c3sq = SIGN( MIN( ABS(c3sq), SQRT(t3sq*r3sq) ), c3sq )
r3sq = r3sq +bet(k)**2*t3sq -2.0*bet(k)*c3sq
sgm(k) = SQRT( MAX( r3sq, 1.0d-10 ) )
END DO
DO k = kts,kte-1
q1 = qmq(k) / sgm(k)
cld0 = 0.5*( 1.0+erf( q1*rr2 ) )
eq1 = rrp*EXP( -0.5*q1*q1 )
qll = MAX( cld0*q1 + eq1, 0.0 )
cld(k) = cld0
ql (k) = alp(k)*sgm(k)*qll
q2p = xlvcp/exner( k )
pt = thl(k) +q2p*ql(k)
qt = 1.0 +p608*qw(k) -(1.+p608)*ql(k)
rac = alp(k)*( cld0-qll*eq1 )*( q2p*qt-(1.+p608)*pt )
vt (k) = qt-1.0 -rac*bet(k)
vq (k) = p608*pt-tv0 +rac
END DO
cld(kte) = cld(kte-1)
ql(kte) = ql(kte-1)
vt(kte) = vt(kte-1)
vq(kte) = vq(kte-1)
RETURN
END SUBROUTINE mym_condensation
SUBROUTINE mynn_tendencies(kts,kte,&
&levflag,grav_settling,&
&delt,&
&dz,&
&u,v,th,qv,qc,p,exner,&
&thl,sqv,sqc,sqw,&
&ust,flt,flq,wspd,qcg,&
&tsq,qsq,cov,&
&tcd,qcd,&
&dfm,dfh,dfq,&
&Du,Dv,Dth,Dqv,Dqc)
INTEGER, INTENT(in) :: kts,kte
INTEGER, INTENT(in) :: grav_settling,levflag
REAL, DIMENSION(kts:kte), INTENT(in) :: u,v,th,qv,qc,p,exner,&
&dfm,dfh,dfq,dz,tsq,qsq,cov,tcd,qcd
REAL, DIMENSION(kts:kte), INTENT(inout) :: thl,sqw,sqv,sqc
REAL, DIMENSION(kts:kte), INTENT(out) :: du,dv,dth,dqv,dqc
REAL, INTENT(IN) :: delt,ust,flt,flq,wspd,qcg
REAL, DIMENSION(kts:kte) :: dtz,vt,vq
REAL, DIMENSION(1:kte-kts+1) :: a,b,c,d
REAL :: rhs,gfluxm,gfluxp,dztop
INTEGER :: k,kk,nz
nz=kte-kts+1
dztop=.5*(dz(kte)+dz(kte-1))
DO k=kts,kte
dtz(k)=delt/dz(k)
ENDDO
k=kts
a(1)=0.
b(1)=1.+dtz(k)*(dfm(k+1)+ust**2/wspd)
c(1)=-dtz(k)*dfm(k+1)
d(1)=u(k)
DO k=kts+1,kte-1
kk=k-kts+1
a(kk)=-dtz(k)*dfm(k)
b(kk)=1.+dtz(k)*(dfm(k)+dfm(k+1))
c(kk)=-dtz(k)*dfm(k+1)
d(kk)=u(k)
ENDDO
a(nz)=0
b(nz)=1.
c(nz)=0.
d(nz)=u(kte)
CALL tridiag(nz,a,b,c,d)
DO k=kts,kte
du(k)=(d(k-kts+1)-u(k))/delt
ENDDO
k=kts
a(1)=0.
b(1)=1.+dtz(k)*(dfm(k+1)+ust**2/wspd)
c(1)=-dtz(k)*dfm(k+1)
d(1)=v(k)
DO k=kts+1,kte-1
kk=k-kts+1
a(kk)=-dtz(k)*dfm(k)
b(kk)=1.+dtz(k)*(dfm(k)+dfm(k+1))
c(kk)=-dtz(k)*dfm(k+1)
d(kk)=v(k)
ENDDO
a(nz)=0
b(nz)=1.
c(nz)=0.
d(nz)=v(kte)
CALL tridiag(nz,a,b,c,d)
DO k=kts,kte
dv(k)=(d(k-kts+1)-v(k))/delt
ENDDO
k=kts
a(1)=0.
b(1)=1.+dtz(k)*dfh(k+1)
c(1)=-dtz(k)*dfh(k+1)
IF (qcg < qcgmin) THEN
IF (sqc(k) > qcgmin) THEN
gfluxm=grav_settling*gno*sqc(k)**gpw
ELSE
gfluxm=0.
ENDIF
ELSE
gfluxm=grav_settling*gno*(qcg/(1.+qcg))**gpw
ENDIF
IF (.5*(sqc(k+1)+sqc(k)) > qcgmin) THEN
gfluxp=grav_settling*gno*(.5*(sqc(k+1)+sqc(k)))**gpw
ELSE
gfluxp=0.
ENDIF
rhs=-xlvcp/exner(k)&
&*( &
&(gfluxp - gfluxm)/dz(k)&
& ) + tcd(k)
d(1)=thl(k)+dtz(k)*flt+rhs*delt
DO k=kts+1,kte-1
kk=k-kts+1
a(kk)=-dtz(k)*dfh(k)
b(kk)=1.+dtz(k)*(dfh(k)+dfh(k+1))
c(kk)=-dtz(k)*dfh(k+1)
IF (.5*(sqc(k+1)+sqc(k)) > qcgmin) THEN
gfluxp=grav_settling*gno*(.5*(sqc(k+1)+sqc(k)))**gpw
ELSE
gfluxp=0.
ENDIF
IF (.5*(sqc(k-1)+sqc(k)) > qcgmin) THEN
gfluxm=grav_settling*gno*(.5*(sqc(k-1)+sqc(k)))**gpw
ELSE
gfluxm=0.
ENDIF
rhs=-xlvcp/exner(k)&
&*( &
&(gfluxp - gfluxm)/dz(k)&
& ) + tcd(k)
d(kk)=thl(k)+rhs*delt
ENDDO
a(nz)=0.
b(nz)=1.
c(nz)=0.
d(nz)=thl(kte)
CALL tridiag(nz,a,b,c,d)
DO k=kts,kte
thl(k)=d(k-kts+1)
ENDDO
k=kts
a(1)=0.
b(1)=1.+dtz(k)*dfh(k+1)
c(1)=-dtz(k)*dfh(k+1)
IF (qcg < qcgmin) THEN
IF (sqc(k) > qcgmin) THEN
gfluxm=grav_settling*gno*sqc(k)**gpw
ELSE
gfluxm=0.
ENDIF
ELSE
gfluxm=grav_settling*gno*(qcg/(1.+qcg))**gpw
ENDIF
IF (.5*(sqc(k+1)+sqc(k)) > qcgmin) THEN
gfluxp=grav_settling*gno*(.5*(sqc(k+1)+sqc(k)))**gpw
ELSE
gfluxp=0.
ENDIF
rhs=&
&( &
&(gfluxp - gfluxm)/dz(k)&
& ) + qcd(k)
d(1)=sqw(k)+dtz(k)*flq+rhs*delt
DO k=kts+1,kte-1
kk=k-kts+1
a(kk)=-dtz(k)*dfh(k)
b(kk)=1.+dtz(k)*(dfh(k)+dfh(k+1))
c(kk)=-dtz(k)*dfh(k+1)
IF (.5*(sqc(k+1)+sqc(k)) > qcgmin) THEN
gfluxp=grav_settling*gno*(.5*(sqc(k+1)+sqc(k)))**gpw
ELSE
gfluxp=0.
ENDIF
IF (.5*(sqc(k-1)+sqc(k)) > qcgmin) THEN
gfluxm=grav_settling*gno*(.5*(sqc(k-1)+sqc(k)))**gpw
ELSE
gfluxm=0.
ENDIF
rhs=&
&( &
&(gfluxp - gfluxm)/dz(k)&
& ) + qcd(k)
d(kk)=sqw(k) + rhs*delt
ENDDO
a(nz)=0.
b(nz)=1.
c(nz)=0.
d(nz)=sqw(kte)
CALL tridiag(nz,a,b,c,d)
DO k=kts,kte
sqw(k)=d(k-kts+1)
sqv(k)=sqw(k)-sqc(k)
Dqv(k)=(sqv(k)/(1.-sqv(k))-qv(k))/delt
Dqc(k)=0.
Dth(k)=(thl(k)+xlvcp/exner(k)*sqc(k)-th(k))/delt
ENDDO
END SUBROUTINE mynn_tendencies
SUBROUTINE retrieve_exchange_coeffs(kts,kte,&
&dfm,dfh,dfq,dz,&
&K_m,K_h,K_q)
INTEGER , INTENT(in) :: kts,kte
REAL, DIMENSION(KtS:KtE), INTENT(in) :: dz,dfm,dfh,dfq
REAL, DIMENSION(KtS:KtE), INTENT(out) :: &
&K_m, K_h, K_q
INTEGER :: k
REAL :: dzk
K_m(kts)=0.
K_h(kts)=0.
K_q(kts)=0.
DO k=kts+1,kte
dzk = 0.5 *( dz(k)+dz(k-1) )
K_m(k)=dfm(k)*dzk
K_h(k)=dfh(k)*dzk
K_q(k)=dfq(k)*dzk
ENDDO
END SUBROUTINE retrieve_exchange_coeffs
SUBROUTINE tridiag(n,a,b,c,d)
INTEGER, INTENT(in):: n
REAL, DIMENSION(n), INTENT(in) :: a,b
REAL, DIMENSION(n), INTENT(inout) :: c,d
INTEGER :: i
REAL :: p
REAL, DIMENSION(n) :: q
c(n)=0.
q(1)=-c(1)/b(1)
d(1)=d(1)/b(1)
DO i=2,n
p=1./(b(i)+a(i)*q(i-1))
q(i)=-c(i)*p
d(i)=(d(i)-a(i)*d(i-1))*p
ENDDO
DO i=n-1,1,-1
d(i)=d(i)+q(i)*d(i+1)
ENDDO
END SUBROUTINE tridiag
SUBROUTINE mynn_bl_driver(&
&initflag,&
&grav_settling,&
&delt,&
&dz,&
&u,v,th,qv,qc,&
&p,exner,rho,&
&xland,ts,qsfc,qcg,ps,&
&ust,ch,hfx,qfx,rmol,wspd,&
&Qke,Tsq,Qsq,Cov,&
&Du,Dv,Dth,&
&Dqv,Dqc,&
&K_h,k_m,&
&Pblh&
&,el_mynn&
&,dqke,qWT,qSHEAR,qBUOY,qDISS&
&,IDS,IDE,JDS,JDE,KDS,KDE &
&,IMS,IME,JMS,JME,KMS,KME &
&,ITS,ITE,JTS,JTE,KTS,KTE)
INTEGER, INTENT(in) :: initflag
INTEGER, INTENT(in) :: grav_settling
INTEGER,INTENT(IN) :: &
& IDS,IDE,JDS,JDE,KDS,KDE &
&,IMS,IME,JMS,JME,KMS,KME &
&,ITS,ITE,JTS,JTE,KTS,KTE
REAL, INTENT(in) :: delt
REAL, DIMENSION(IMS:IME,KMS:KME,JMS:JME), INTENT(in) :: dz,&
&u,v,th,qv,qc,p,exner,rho
REAL, DIMENSION(IMS:IME,JMS:JME), INTENT(in) :: xland,ust,&
&ch,rmol,ts,qsfc,qcg,ps,hfx,qfx, wspd
REAL, DIMENSION(IMS:IME,KMS:KME,JMS:JME), INTENT(inout) :: &
&Qke,Tsq,Qsq,Cov
REAL, DIMENSION(IMS:IME,KMS:KME,JMS:JME), INTENT(out) :: &
&Du,Dv,Dth,Dqv,Dqc
REAL, DIMENSION(IMS:IME,KMS:KME,JMS:JME), INTENT(out) :: &
&K_h,K_m
REAL, DIMENSION(IMS:IME,JMS:JME), INTENT(inout) :: &
&Pblh
REAL, DIMENSION(IMS:IME,KMS:KME,JMS:JME), INTENT(inout) :: &
&el_mynn
REAL, DIMENSION(IMS:IME,KMS:KME,JMS:JME), INTENT(inout) :: &
&qWT,qSHEAR,qBUOY,qDISS,dqke
INTEGER :: ITF,JTF,KTF
INTEGER :: i,j,k
REAL, DIMENSION(KMS:KME) :: thl,sqv,sqc,sqw,&
&El, Dfm, Dfh, Dfq, Tcd, Qcd, Pdk, Pdt, Pdq, Pdc, Vt, Vq
REAL, DIMENSION(IMS:IME,KMS:KME,JMS:JME) :: K_q
REAL, DIMENSION(KMS:KME+1) :: zw
REAL :: cpm,sqcg,flt,flq,pmz,phh,exnerg,zet
REAL, DIMENSION(KMS:KME) :: thetav
INTEGER, SAVE :: levflag
JTF=MIN0(JTE,JDE-1)
ITF=MIN0(ITE,IDE-1)
KTF=MIN0(KTE,KDE-1)
levflag=mynn_level
IF (initflag > 0) THEN
DO j=JTS,JTF
DO i=ITS,ITF
DO k=KTS,KTF
sqv(k)=qv(i,k,j)/(1.+qv(i,k,j))
thl(k)=th(i,k,j)
thetav(k)=th(i,k,j)*(1.+0.61*qv(i,k,j))
IF (k==kts) THEN
zw(k)=0.
ELSE
zw(k)=zw(k-1)+dz(i,k-1,j)
ENDIF
k_m(i,k,j)=0.
k_h(i,k,j)=0.
k_q(i,k,j)=0.
el_mynn(i,k,j)=0.
qWT(i,k,j)=0.
qSHEAR(i,k,j)=0.
qBUOY(i,k,j)=0.
qDISS(i,k,j)=0.
dqke(i,k,j)=0.
ENDDO
zw(ktf+1)=zw(ktf)+dz(i,ktf,j)
CALL GET_PBLH(KTS,KTE,PBLH(i,j),thetav(kts:kte),&
& Qke(i,kts:kte,j),zw(kts:kte+1),dz(i,kts:kte,j),xland(i,j))
CALL mym_initialize ( kts,kte,&
&dz(i,kts:kte,j), zw(kts:kte+1), &
&u(i,kts:kte,j), v(i,kts:kte,j), &
&thl(kts:kte), sqv(kts:kte),&
&PBLH(i,j),th(i,kts:kte,j),&
&ust(i,j), rmol(i,j),&
&Qke(i,kts:kte,j), Tsq(i,kts:kte,j), &
&Qsq(i,kts:kte,j), Cov(i,kts:kte,j))
ENDDO
ENDDO
ENDIF
DO j=JTS,JTF
DO i=ITS,ITF
DO k=KTS,KTF
sqv(k)=qv(i,k,j)/(1.+qv(i,k,j))
sqc(k)=qc(i,k,j)/(1.+qc(i,k,j))
sqw(k)=sqv(k)+sqc(k)
thl(k)=th(i,k,j)-xlvcp/exner(i,k,j)*sqc(k)
thetav(k)=th(i,k,j)*(1.+0.61*qv(i,k,j))
IF (k==kts) THEN
zw(k)=0.
ELSE
zw(k)=zw(k-1)+dz(i,k-1,j)
ENDIF
ENDDO
zw(ktf+1)=zw(ktf)+dz(i,ktf,j)
CALL GET_PBLH(KTS,KTE,PBLH(i,j),thetav(kts:kte),&
& Qke(i,kts:kte,j),zw(kts:kte+1),dz(i,kts:kte,j),xland(i,j))
sqcg=qcg(i,j)/(1.+qcg(i,j))
cpm=cp*(1.+0.8*qv(i,kts,j))
exnerg=(ps(i,j)/p1000mb)**rcp
flt = hfx(i,j)/( rho(i,kts,j)*cpm ) &
+xlvcp*ch(i,j)*(sqc(kts)/exner(i,kts,j)-sqcg/exnerg)
flq = qfx(i,j)/ rho(i,kts,j) &
-ch(i,j)*(sqc(kts) -sqcg )
zet = 0.5*dz(i,kts,j)*rmol(i,j)
if ( zet >= 0.0 ) then
pmz = 1.0 + (cphm_st-1.0) * zet
phh = 1.0 + cphh_st * zet
else
pmz = 1.0/ (1.0-cphm_unst*zet)**0.25 - zet
phh = 1.0/SQRT(1.0-cphh_unst*zet)
end if
CALL mym_condensation ( kts,kte,&
&dz(i,kts:kte,j), &
&thl(kts:kte), sqw(kts:kte), &
&p(i,kts:kte,j),exner(i,kts:kte,j), &
&tsq(i,kts:kte,j), qsq(i,kts:kte,j), cov(i,kts:kte,j), &
&Vt(kts:kte), Vq(kts:kte))
CALL mym_turbulence ( kts,kte,&
&levflag, &
&dz(i,kts:kte,j), zw(kts:kte+1), &
&u(i,kts:kte,j), v(i,kts:kte,j), thl(kts:kte),&
&sqc(kts:kte), sqw(kts:kte), &
&qke(i,kts:kte,j), tsq(i,kts:kte,j), &
&qsq(i,kts:kte,j), cov(i,kts:kte,j), &
&vt(kts:kte), vq(kts:kte),&
&rmol(i,j), flt, flq, &
&PBLH(i,j),th(i,kts:kte,j),&
&el_mynn(i,kts:kte,j), &
&Dfm(kts:kte),Dfh(kts:kte),Dfq(kts:kte), &
&Tcd(kts:kte),Qcd(kts:kte),Pdk(kts:kte), &
&Pdt(kts:kte),Pdq(kts:kte),Pdc(kts:kte),&
&qWT(i,kts:kte,j),qSHEAR(i,kts:kte,j),&
&qBUOY(i,kts:kte,j),qDISS(i,kts:kte,j))
CALL mym_predict (kts,kte,&
&levflag, &
&delt,&
&dz(i,kts:kte,j), &
&ust(i,j), flt, flq, pmz, phh, &
&el_mynn(i,kts:kte,j), dfq(kts:kte), pdk(kts:kte), &
&pdt(kts:kte), pdq(kts:kte), pdc(kts:kte),&
&Qke(i,kts:kte,j), Tsq(i,kts:kte,j), &
&Qsq(i,kts:kte,j), Cov(i,kts:kte,j), &
&dqke(i,kts:kte,j))
CALL mynn_tendencies(kts,kte,&
&levflag,grav_settling,&
&delt,&
&dz(i,kts:kte,j),&
&u(i,kts:kte,j),v(i,kts:kte,j),&
&th(i,kts:kte,j),qv(i,kts:kte,j),qc(i,kts:kte,j),&
&p(i,kts:kte,j),exner(i,kts:kte,j),&
&thl(kts:kte),sqv(kts:kte),sqc(kts:kte),sqw(kts:kte),&
&ust(i,j),flt,flq,wspd(i,j),qcg(i,j),&
&tsq(i,kts:kte,j),qsq(i,kts:kte,j),cov(i,kts:kte,j),&
&tcd(kts:kte),qcd(kts:kte),&
&dfm(kts:kte),dfh(kts:kte),dfq(kts:kte),&
&Du(i,kts:kte,j),Dv(i,kts:kte,j),Dth(i,kts:kte,j),&
&Dqv(i,kts:kte,j),Dqc(i,kts:kte,j))
CALL retrieve_exchange_coeffs(kts,kte,&
&dfm(kts:kte),dfh(kts:kte),dfq(kts:kte),dz(i,kts:kte,j),&
&K_m(i,kts:kte,j),K_h(i,kts:kte,j),K_q(i,kts:kte,j))
DO k=KTS,KTF
qWT(i,k,j)= qWT(i,k,j)*delt
qSHEAR(i,k,j)= qSHEAR(i,k,j)*delt
qBUOY(i,k,j)= qBUOY(i,k,j)*delt
qDISS(i,k,j)= qDISS(i,k,j)*delt
ENDDO
ENDDO
ENDDO
END SUBROUTINE mynn_bl_driver
SUBROUTINE mynn_bl_init_driver(&
&Du,Dv,Dth,&
&Dqv,Dqc&
&,RESTART,ALLOWED_TO_READ,LEVEL&
&,IDS,IDE,JDS,JDE,KDS,KDE &
&,IMS,IME,JMS,JME,KMS,KME &
&,ITS,ITE,JTS,JTE,KTS,KTE)
LOGICAL,INTENT(IN) :: ALLOWED_TO_READ,RESTART
INTEGER,INTENT(IN) :: LEVEL
INTEGER,INTENT(IN) :: IDS,IDE,JDS,JDE,KDS,KDE, &
& IMS,IME,JMS,JME,KMS,KME, &
& ITS,ITE,JTS,JTE,KTS,KTE
REAL,DIMENSION(IMS:IME,KMS:KME,JMS:JME),INTENT(OUT) :: &
&Du,Dv,Dth,Dqv,Dqc
INTEGER :: I,J,K,ITF,JTF,KTF
JTF=MIN0(JTE,JDE-1)
KTF=MIN0(KTE,KDE-1)
ITF=MIN0(ITE,IDE-1)
IF(.NOT.RESTART)THEN
DO J=JTS,JTF
DO K=KTS,KTF
DO I=ITS,ITF
Du(i,k,j)=0.
Dv(i,k,j)=0.
Dth(i,k,j)=0.
Dqv(i,k,j)=0.
Dqc(i,k,j)=0.
ENDDO
ENDDO
ENDDO
ENDIF
mynn_level=level
END SUBROUTINE mynn_bl_init_driver
SUBROUTINE GET_PBLH(KTS,KTE,zi,thetav1D,qke1D,zw1D,dz1D,landsea)
INTEGER,INTENT(IN) :: KTS,KTE
REAL, INTENT(OUT) :: zi
REAL, INTENT(IN) :: landsea
REAL, DIMENSION(KTS:KTE), INTENT(IN) :: thetav1D, qke1D, dz1D
REAL, DIMENSION(KTS:KTE+1), INTENT(IN) :: zw1D
REAL :: PBLH_TKE,qtke,qtkem1,wt,maxqke,TKEeps,minthv
REAL :: delt_thv
REAL, PARAMETER :: sbl_lim = 200.
REAL, PARAMETER :: sbl_damp = 400.
INTEGER :: I,J,K,kthv,ktke
k = kts+1
kthv = 1
ktke = 1
maxqke = 0.
minthv = 9.E9
DO WHILE (zw1D(k) .LE. 500.)
qtke =MAX(Qke1D(k),0.)
IF (maxqke < qtke) then
maxqke = qtke
ktke = k
ENDIF
IF (minthv > thetav1D(k)) then
minthv = thetav1D(k)
kthv = k
ENDIF
k = k+1
ENDDO
TKEeps = maxqke/40.
TKEeps = MAX(TKEeps,0.025)
TKEeps = MIN(TKEeps,0.25)
zi=0.
k = kthv+1
IF((landsea-1.5).GE.0)THEN
delt_thv = 0.75
ELSE
delt_thv = 1.5
ENDIF
zi=0.
k = kthv+1
DO WHILE (zi .EQ. 0.)
IF (thetav1D(k) .GE. (minthv + delt_thv))THEN
zi = zw1D(k) - dz1D(k-1)* &
& MIN((thetav1D(k)-(minthv + delt_thv))/MAX(thetav1D(k)-thetav1D(k-1),1E-6),1.0)
ENDIF
k = k+1
IF (k .EQ. kte-1) zi = zw1D(kts+1)
ENDDO
PBLH_TKE=0.
k = ktke+1
DO WHILE (PBLH_TKE .EQ. 0.)
qtke =MAX(Qke1D(k)/2.,0.)
qtkem1=MAX(Qke1D(k-1)/2.,0.)
IF (qtke .LE. TKEeps) THEN
PBLH_TKE = zw1D(k) - dz1D(k-1)* &
& MIN((TKEeps-qtke)/MAX(qtkem1-qtke, 1E-6), 1.0)
PBLH_TKE = MAX(PBLH_TKE,zw1D(kts+1))
ENDIF
k = k+1
IF (k .EQ. kte-1) PBLH_TKE = zw1D(kts+1)
ENDDO
wt=.5*TANH((zi - sbl_lim)/sbl_damp) + .5
zi=PBLH_TKE*(1.-wt) + zi*wt
END SUBROUTINE GET_PBLH
END MODULE module_bl_mynn