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module cv3_feed_m |
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|
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implicit none |
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|
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contains |
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SUBROUTINE cv3_feed(len, nd, t, q, qs, p, ph, hm, gz, nk, icb, icbmax, & |
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iflag, tnk, qnk, gznk, plcl) |
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|
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! Purpose: CONVECTIVE FEED |
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|
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! Main differences with cv_feed: |
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! - ph added in input |
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! - here, nk(i)=minorig |
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! - icb defined differently (plcl compared with ph instead of p) |
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|
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! Main differences with convect3: |
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! - we do not compute dplcldt and dplcldr of CLIFT anymore |
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! - values iflag different (but tests identical) |
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! - A, B explicitely defined (!) |
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|
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use cv3_param_m |
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|
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! inputs: |
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integer, intent(in):: len, nd |
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real, intent(in):: t(len, nd) |
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real, intent(in):: q(len, nd), qs(len, nd), p(len, nd) |
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real hm(len, nd), gz(len, nd) |
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real, intent(in):: ph(len, nd+1) |
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|
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! outputs: |
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integer iflag(len) |
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integer, intent(out):: nk(len), icb(len), icbmax |
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real tnk(len), qnk(len), gznk(len), plcl(len) |
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|
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! local variables: |
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integer i, k |
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integer ihmin(len) |
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real work(len) |
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real pnk(len), qsnk(len), rh(len), chi(len) |
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real A, B ! convect3 |
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|
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!-------------------------------------------------------------------- |
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|
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plcl=0.0 |
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|
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! --- Origin level of ascending parcels for convect3: |
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|
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do i=1, len |
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nk(i)=minorig |
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end do |
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|
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! --- Check whether parcel level temperature and specific humidity |
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! --- are reasonable |
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|
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do i=1, len |
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if ((t(i, nk(i)) < 250. .or. q(i, nk(i)) <= 0.) .and. iflag(i) == 0) & |
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iflag(i)=7 |
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end do |
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|
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! --- Calculate lifted condensation level of air at parcel origin level |
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! --- (Within 0.2% of formula of Bolton, MON. WEA. REV., 1980) |
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|
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A = 1669.0 ! convect3 |
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B = 122.0 ! convect3 |
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|
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do i=1, len |
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if (iflag(i).ne.7) then |
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tnk(i)=t(i, nk(i)) |
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qnk(i)=q(i, nk(i)) |
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gznk(i)=gz(i, nk(i)) |
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pnk(i)=p(i, nk(i)) |
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qsnk(i)=qs(i, nk(i)) |
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|
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rh(i)=qnk(i)/qsnk(i) |
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chi(i)=tnk(i)/(A-B*rh(i)-tnk(i)) ! convect3 |
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plcl(i)=pnk(i)*(rh(i)**chi(i)) |
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if ((plcl(i) < 200. .or. plcl(i) >= 2000.) .and. iflag(i) == 0) & |
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iflag(i) = 8 |
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endif |
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end do |
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|
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! --- Calculate first level above lcl (=icb) |
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|
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do i=1, len |
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icb(i)=nlm |
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end do |
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|
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! la modification consiste a comparer plcl a ph et non a p: |
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! icb est defini par : ph(icb) < plcl < ph(icb - 1) |
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do k=3, nl-1 ! modification pour que icb soit supérieur ou égal à 2 |
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do i=1, len |
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if(ph(i, k) < plcl(i)) icb(i) = min(icb(i), k) |
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end do |
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end do |
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|
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do i=1, len |
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if((icb(i) == nlm).and.(iflag(i) == 0))iflag(i)=9 |
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end do |
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|
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do i=1, len |
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icb(i) = icb(i)-1 ! icb sup ou egal a 2 |
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end do |
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|
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! Compute icbmax. |
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|
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icbmax=2 |
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do i=1, len |
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if (iflag(i) < 7) icbmax=max(icbmax, icb(i)) ! sb Jun7th02 |
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end do |
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|
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end SUBROUTINE cv3_feed |
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|
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end module cv3_feed_m |
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