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guez |
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SUBROUTINE cv3_closure(nloc,ncum,nd,icb,inb & |
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,pbase,p,ph,tv,buoy & |
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,sig,w0,cape,m) |
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guez |
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use cv3_param_m |
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guez |
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use cvthermo |
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implicit none |
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!=================================================================== |
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! --- CLOSURE OF CONVECT3 |
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! |
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! vectorization: S. Bony |
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!=================================================================== |
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! input: |
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integer ncum, nd, nloc |
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integer icb(nloc), inb(nloc) |
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real pbase(nloc) |
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real p(nloc,nd), ph(nloc,nd+1) |
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real tv(nloc,nd), buoy(nloc,nd) |
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! input/output: |
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real sig(nloc,nd), w0(nloc,nd) |
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! output: |
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real cape(nloc) |
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real m(nloc,nd) |
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! local variables: |
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integer i, j, k, icbmax |
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real deltap, fac, w, amu |
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real dtmin(nloc,nd), sigold(nloc,nd) |
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! ------------------------------------------------------- |
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! -- Initialization |
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! ------------------------------------------------------- |
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do k=1,nl |
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do i=1,ncum |
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m(i,k)=0.0 |
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enddo |
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enddo |
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! ------------------------------------------------------- |
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! -- Reset sig(i) and w0(i) for i>inb and i<icb |
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! ------------------------------------------------------- |
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! update sig and w0 above LNB: |
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do 100 k=1,nl-1 |
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do 110 i=1,ncum |
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if ((inb(i).lt.(nl-1)).and.(k.ge.(inb(i)+1)))then |
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sig(i,k)=beta*sig(i,k) & |
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+2.*alpha*buoy(i,inb(i))*ABS(buoy(i,inb(i))) |
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sig(i,k)=AMAX1(sig(i,k),0.0) |
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w0(i,k)=beta*w0(i,k) |
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endif |
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110 continue |
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100 continue |
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! compute icbmax: |
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icbmax=2 |
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do 200 i=1,ncum |
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icbmax=MAX(icbmax,icb(i)) |
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200 continue |
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! update sig and w0 below cloud base: |
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do 300 k=1,icbmax |
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do 310 i=1,ncum |
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if (k.le.icb(i))then |
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sig(i,k)=beta*sig(i,k)-2.*alpha*buoy(i,icb(i))*buoy(i,icb(i)) |
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sig(i,k)=amax1(sig(i,k),0.0) |
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w0(i,k)=beta*w0(i,k) |
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endif |
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310 continue |
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300 continue |
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!! if(inb.lt.(nl-1))then |
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!! do 85 i=inb+1,nl-1 |
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!! sig(i)=beta*sig(i)+2.*alpha*buoy(inb)* |
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!! 1 abs(buoy(inb)) |
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!! sig(i)=amax1(sig(i),0.0) |
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!! w0(i)=beta*w0(i) |
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!! 85 continue |
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!! end if |
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!! do 87 i=1,icb |
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!! sig(i)=beta*sig(i)-2.*alpha*buoy(icb)*buoy(icb) |
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!! sig(i)=amax1(sig(i),0.0) |
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!! w0(i)=beta*w0(i) |
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!! 87 continue |
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! ------------------------------------------------------------- |
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! -- Reset fractional areas of updrafts and w0 at initial time |
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! -- and after 10 time steps of no convection |
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! ------------------------------------------------------------- |
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do 400 k=1,nl-1 |
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do 410 i=1,ncum |
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if (sig(i,nd).lt.1.5.or.sig(i,nd).gt.12.0)then |
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sig(i,k)=0.0 |
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w0(i,k)=0.0 |
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endif |
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410 continue |
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400 continue |
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! ------------------------------------------------------------- |
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! -- Calculate convective available potential energy (cape), |
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! -- vertical velocity (w), fractional area covered by |
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! -- undilute updraft (sig), and updraft mass flux (m) |
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! ------------------------------------------------------------- |
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do 500 i=1,ncum |
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cape(i)=0.0 |
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500 continue |
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! compute dtmin (minimum buoyancy between ICB and given level k): |
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do i=1,ncum |
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do k=1,nl |
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dtmin(i,k)=100.0 |
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enddo |
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enddo |
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do 550 i=1,ncum |
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do 560 k=1,nl |
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do 570 j=minorig,nl |
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if ( (k.ge.(icb(i)+1)).and.(k.le.inb(i)).and. & |
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(j.ge.icb(i)).and.(j.le.(k-1)) )then |
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dtmin(i,k)=AMIN1(dtmin(i,k),buoy(i,j)) |
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endif |
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570 continue |
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560 continue |
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550 continue |
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! the interval on which cape is computed starts at pbase : |
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do 600 k=1,nl |
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do 610 i=1,ncum |
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if ((k.ge.(icb(i)+1)).and.(k.le.inb(i))) then |
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deltap = MIN(pbase(i),ph(i,k-1))-MIN(pbase(i),ph(i,k)) |
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cape(i)=cape(i)+rrd*buoy(i,k-1)*deltap/p(i,k-1) |
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cape(i)=AMAX1(0.0,cape(i)) |
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sigold(i,k)=sig(i,k) |
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! dtmin(i,k)=100.0 |
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! do 97 j=icb(i),k-1 ! mauvaise vectorisation |
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! dtmin(i,k)=AMIN1(dtmin(i,k),buoy(i,j)) |
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! 97 continue |
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sig(i,k)=beta*sig(i,k)+alpha*dtmin(i,k)*ABS(dtmin(i,k)) |
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sig(i,k)=amax1(sig(i,k),0.0) |
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sig(i,k)=amin1(sig(i,k),0.01) |
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fac=AMIN1(((dtcrit-dtmin(i,k))/dtcrit),1.0) |
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w=(1.-beta)*fac*SQRT(cape(i))+beta*w0(i,k) |
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amu=0.5*(sig(i,k)+sigold(i,k))*w |
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m(i,k)=amu*0.007*p(i,k)*(ph(i,k)-ph(i,k+1))/tv(i,k) |
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w0(i,k)=w |
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endif |
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610 continue |
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600 continue |
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do 700 i=1,ncum |
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w0(i,icb(i))=0.5*w0(i,icb(i)+1) |
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m(i,icb(i))=0.5*m(i,icb(i)+1) & |
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*(ph(i,icb(i))-ph(i,icb(i)+1)) & |
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/(ph(i,icb(i)+1)-ph(i,icb(i)+2)) |
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sig(i,icb(i))=sig(i,icb(i)+1) |
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sig(i,icb(i)-1)=sig(i,icb(i)) |
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700 continue |
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!! cape=0.0 |
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!! do 98 i=icb+1,inb |
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!! deltap = min(pbase,ph(i-1))-min(pbase,ph(i)) |
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!! cape=cape+rrd*buoy(i-1)*deltap/p(i-1) |
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!! dcape=rrd*buoy(i-1)*deltap/p(i-1) |
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!! dlnp=deltap/p(i-1) |
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!! cape=amax1(0.0,cape) |
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!! sigold=sig(i) |
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!! dtmin=100.0 |
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!! do 97 j=icb,i-1 |
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!! dtmin=amin1(dtmin,buoy(j)) |
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!! 97 continue |
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!! sig(i)=beta*sig(i)+alpha*dtmin*abs(dtmin) |
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!! sig(i)=amax1(sig(i),0.0) |
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!! sig(i)=amin1(sig(i),0.01) |
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!! fac=amin1(((dtcrit-dtmin)/dtcrit),1.0) |
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!! w=(1.-beta)*fac*sqrt(cape)+beta*w0(i) |
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!! amu=0.5*(sig(i)+sigold)*w |
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!! m(i)=amu*0.007*p(i)*(ph(i)-ph(i+1))/tv(i) |
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!! w0(i)=w |
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!! 98 continue |
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!! w0(icb)=0.5*w0(icb+1) |
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!! m(icb)=0.5*m(icb+1)*(ph(icb)-ph(icb+1))/(ph(icb+1)-ph(icb+2)) |
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!! sig(icb)=sig(icb+1) |
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!! sig(icb-1)=sig(icb) |
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return |
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end |
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