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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(t1, q1, qs1, p1, ph1, gz1, nk1, icb1, icbmax, iflag1, & |
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tnk1, qnk1, gznk1, plcl1) |
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|
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! Purpose: convective feed |
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|
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use cv30_param_m, only: minorig, nl |
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USE dimphy, ONLY: klev, klon |
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use numer_rec_95, only: locate |
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|
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real, intent(in):: t1(:, :) ! (klon, klev) |
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real, intent(in):: q1(:, :), qs1(:, :), p1(:, :) ! (klon, klev) |
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real, intent(in):: ph1(:, :) ! (klon, klev+1) |
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real, intent(in):: gz1(:, :) ! (klon, klev) |
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|
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! outputs: |
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integer, intent(out):: nk1(:), icb1(:) ! (klon) |
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integer, intent(out):: icbmax |
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integer, intent(inout):: iflag1(klon) |
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real tnk1(klon), qnk1(klon), gznk1(klon) |
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real, intent(out):: plcl1(klon) |
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|
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! Local: |
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integer i |
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real pnk(klon), qsnk(klon), rh(klon), chi(klon) |
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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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plcl1 = 0. |
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|
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! Origin level of ascending parcels |
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nk1 = minorig |
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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, klon |
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if (t1(i, nk1(i)) < 250. .or. q1(i, nk1(i)) <= 0.) iflag1(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, klon |
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if (iflag1(i) /= 7) then |
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tnk1(i) = t1(i, nk1(i)) |
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qnk1(i) = q1(i, nk1(i)) |
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gznk1(i) = gz1(i, nk1(i)) |
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pnk(i) = p1(i, nk1(i)) |
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qsnk(i) = qs1(i, nk1(i)) |
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|
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rh(i) = qnk1(i) / qsnk(i) |
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chi(i) = tnk1(i) / (A - B*rh(i) - tnk1(i)) |
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plcl1(i) = pnk(i)*(rh(i)**chi(i)) |
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if ((plcl1(i) < 200. .or. plcl1(i) >= 2000.) .and. iflag1(i) == 0) & |
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iflag1(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 (= icb1) |
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|
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do i = 1, klon |
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if (plcl1(i) <= ph1(i, nl - 2)) then |
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! Distinguish this case just so that icb1 = nl - 2, not nl = |
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! 3, for plcl1 exactly == ph1(i, nl - 2). Maybe not useful. |
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icb1(i) = nl - 2 |
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else |
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icb1(i) = locate(- ph1(i, 3:nl - 2), - plcl1(i), my_lbound = 3) |
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! {2 <= icb1(i) <= nl - 3} |
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! {ph1(i, icb1(i) + 1) < plcl1(i) <= ph1(i, icb1(i))} |
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end if |
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end do |
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|
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do i = 1, klon |
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if ((icb1(i) == nl - 2).and.(iflag1(i) == 0)) iflag1(i) = 9 |
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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, klon |
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if (iflag1(i) < 7) icbmax = max(icbmax, icb1(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 |