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module cv30_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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|
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SUBROUTINE cv30_feed(len, nd, t, q, qs, p, ph, gz, nk, icb, icbmax, iflag, & |
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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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use cv30_param_m, only: minorig, nl |
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|
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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, intent(in):: ph(len, nd+1) |
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real, intent(in):: gz(len, nd) |
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|
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! outputs: |
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integer, intent(out):: nk(len), icb(len), icbmax |
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integer, intent(inout):: iflag(len) |
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real tnk(len), qnk(len), gznk(len) |
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real, intent(out):: plcl(len) |
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|
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! Local: |
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integer i, k |
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real pnk(len), qsnk(len), rh(len), chi(len) |
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real, parameter:: A = 1669., B = 122. |
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|
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!-------------------------------------------------------------------- |
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|
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plcl = 0. |
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|
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! Origin level of ascending parcels |
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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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do i = 1, len |
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if (iflag(i) /= 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)) |
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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) = nl - 1 |
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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 d\'efini 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) == nl - 1).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 >= 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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|
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do i = 1, len |
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if (iflag(i) < 7) icbmax = max(icbmax, icb(i)) |
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end do |
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|
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end SUBROUTINE cv30_feed |
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|
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end module cv30_feed_m |
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