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module test_disvert_m |
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implicit none |
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contains |
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subroutine test_disvert |
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! Author: Lionel GUEZ |
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! This procedure tests the order of pressure values at half-levels |
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! and full levels. We arbitrarily choose to test ngrid values of |
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! the surface pressure, which sample possible values on Earth. |
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use exner_hyb_m, only: exner_hyb |
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use vertical_layers_mod, only: ap,bp,preff |
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use comconst_mod, only: kappa, cpp |
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! For llm: |
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include "dimensions.h" |
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! Local: |
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integer l, i |
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integer, parameter:: ngrid = 7 |
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real p(ngrid, llm + 1) ! pressure at half-level, in Pa |
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real pks(ngrid) ! exner function at the surface, in J K-1 kg-1 |
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real pk(ngrid, llm) ! exner function at full level, in J K-1 kg-1 |
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real ps(ngrid) ! surface pressure, in Pa |
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real p_lay(ngrid, llm) ! pressure at full level, in Pa |
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real delta_ps ! in Pa |
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!--------------------- |
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print *, "Call sequence information: test_disvert" |
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delta_ps = 6e4 / (ngrid - 1) |
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ps = (/(5e4 + delta_ps * i, i = 0, ngrid - 1)/) |
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forall (l = 1: llm + 1) p(:, l) = ap(l) + bp(l) * ps |
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call exner_hyb(ngrid, ps, p, pks, pk) |
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p_lay = preff * (pk / cpp)**(1. / kappa) |
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! Are pressure values in the right order? |
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if (any(p(:, :llm) <= p_lay .or. p_lay <= p(:, 2:))) then |
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! List details and stop: |
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do l = 1, llm |
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do i = 1, ngrid |
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if (p(i, l) <= p_lay(i, l)) then |
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print 1000, "ps = ", ps(i) / 100., "hPa, p(level ", l, & |
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") = ", p(i, l) / 100., " hPa <= p(layer ", l, ") = ", & |
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p_lay(i, l) / 100., " hPa" |
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end if |
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if (p_lay(i, l) <= p(i, l + 1)) then |
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print 1000, "ps = ", ps(i) / 100., "hPa, p(layer ", l, ") = ", & |
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p_lay(i, l) / 100., " hPa <= p(level ", l + 1, ") = ", & |
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p(i, l + 1) / 100., " hPa" |
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end if |
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end do |
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end do |
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call abort_physic("test_disvert", "bad order of pressure values", 1) |
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end if |
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1000 format (3(a, g10.4, a, i0)) |
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end subroutine test_disvert |
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end module test_disvert_m |
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