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SUBROUTINE cv30_prelim(t1, q1, p1, ph1, lv1, cpn1, tv1, gz1, h1, hm1, th1) |
SUBROUTINE cv30_prelim(t1, q1, p1, ph1, lv1, cpn1, tv1, gz1, h1, hm1, th1) |
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USE cv30_param_m, ONLY: nl |
USE cv30_param_m, ONLY: nl |
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USE cv_thermo_m, ONLY: cl, clmcpv, cpd, cpv, eps, rrd, rrv |
USE cv_thermo_m, ONLY: clmcpv, eps |
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USE dimphy, ONLY: klev, klon |
USE dimphy, ONLY: klev, klon |
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use SUPHEC_M, only: rlvtt |
use SUPHEC_M, only: rcw, rlvtt, rcpd, rcpv, rd, rv |
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! Calculate arrays of geopotential, heat capacity and static energy |
! Calculate arrays of geopotential, heat capacity and static energy |
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real, intent(in):: t1(klon, klev) |
real, intent(in):: t1(:, :) ! (klon, klev) temperature, in K |
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real, intent(in):: q1(klon, klev) |
real, intent(in):: q1(:, :) ! (klon, klev) specific humidity |
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real, intent(in):: p1(klon, klev), ph1(klon, klev + 1) |
real, intent(in):: p1(:, :) ! (klon, klev) full level pressure, in hPa |
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real, intent(in):: ph1(:, :) ! (klon, klev + 1) half level pressure, in hPa |
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! outputs: |
! outputs: |
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real lv1(klon, klev), cpn1(klon, klev), tv1(klon, klev) |
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real, intent(out):: lv1(:, :) ! (klon, nl) |
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! specific latent heat of vaporization of water, in J kg-1 |
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real, intent(out):: cpn1(:, :) ! (klon, nl) |
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! specific heat capacity at constant pressure of humid air, in J K-1 kg-1 |
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real tv1(:, :) ! (klon, klev) |
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real gz1(klon, klev), h1(klon, klev), hm1(klon, klev) |
real gz1(klon, klev), h1(klon, klev), hm1(klon, klev) |
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real th1(klon, klev) ! potential temperature |
real, intent(out):: th1(:, :) ! (klon, nl) potential temperature, in K |
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! Local: |
! Local: |
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integer k, i |
integer k, i |
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real rdcp |
real kappa |
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real tvx, tvy |
real tvx, tvy |
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real cpx(klon, klev) |
real cpx(klon, klev) |
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do k = 1, nl |
do k = 1, nl |
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do i = 1, klon |
do i = 1, klon |
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lv1(i, k) = rlvtt - clmcpv * (t1(i, k) - 273.15) |
lv1(i, k) = rlvtt - clmcpv * (t1(i, k) - 273.15) |
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cpn1(i, k) = cpd * (1. - q1(i, k)) + cpv * q1(i, k) |
cpn1(i, k) = rcpd * (1. - q1(i, k)) + rcpv * q1(i, k) |
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cpx(i, k) = cpd * (1. - q1(i, k)) + cl * q1(i, k) |
cpx(i, k) = rcpd * (1. - q1(i, k)) + rcw * q1(i, k) |
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tv1(i, k) = t1(i, k) * (1. + q1(i, k)/eps - q1(i, k)) |
tv1(i, k) = t1(i, k) * (1. + q1(i, k) / eps - q1(i, k)) |
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rdcp = (rrd * (1. - q1(i, k)) + q1(i, k) * rrv)/cpn1(i, k) |
kappa = (rd * (1. - q1(i, k)) + q1(i, k) * rv) / cpn1(i, k) |
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th1(i, k) = t1(i, k) * (1000./p1(i, k))**rdcp |
th1(i, k) = t1(i, k) * (1000. / p1(i, k))**kappa |
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end do |
end do |
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end do |
end do |
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do k = 2, nl |
do k = 2, nl |
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do i = 1, klon |
do i = 1, klon |
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tvx = t1(i, k) * (1. + q1(i, k)/eps - q1(i, k)) |
tvx = t1(i, k) * (1. + q1(i, k) / eps - q1(i, k)) |
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tvy = t1(i, k - 1) * (1. + q1(i, k - 1)/eps - q1(i, k - 1)) |
tvy = t1(i, k - 1) * (1. + q1(i, k - 1) / eps - q1(i, k - 1)) |
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gz1(i, k) = gz1(i, k - 1) + 0.5 * rrd * (tvx + tvy) & |
gz1(i, k) = gz1(i, k - 1) + 0.5 * rd * (tvx + tvy) & |
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* (p1(i, k - 1) - p1(i, k))/ph1(i, k) |
* (p1(i, k - 1) - p1(i, k)) / ph1(i, k) |
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end do |
end do |
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end do |
end do |
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