| [4773] | 1 | ! (C) Copyright 2017- ECMWF. |
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| 2 | ! |
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| 3 | ! This software is licensed under the terms of the Apache Licence Version 2.0 |
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| 4 | ! which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. |
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| 5 | ! |
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| 6 | ! In applying this licence, ECMWF does not waive the privileges and immunities |
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| 7 | ! granted to it by virtue of its status as an intergovernmental organisation |
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| 8 | ! nor does it submit to any jurisdiction. |
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| 9 | |
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| 10 | program test_cloud_generator |
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| 11 | |
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| 12 | use parkind1, only : jprb |
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| 13 | use radiation_cloud_generator, only : cloud_generator |
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| 14 | use radiation_pdf_sampler, only : pdf_sampler_type |
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| 15 | use radiation_cloud_cover, only : & |
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| 16 | & IOverlapMaximumRandom, IOverlapExponentialRandom, IOverlapExponential |
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| 17 | |
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| 18 | implicit none |
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| 19 | |
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| 20 | integer, parameter :: ncol = 2000 |
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| 21 | integer, parameter :: nlev = 137 |
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| 22 | integer, parameter :: i_overlap_scheme = IOverlapExponential |
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| 23 | real(jprb), parameter :: scale_height = 8000.0_jprb |
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| 24 | real(jprb), parameter :: cloud_inhom_decorr_scaling = 0.5_jprb |
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| 25 | real(jprb), parameter :: frac_threshold = 1.0e-6_jprb |
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| 26 | |
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| 27 | real(jprb) :: cloud_fraction(nlev), overlap_param(nlev-1), fractional_std(nlev) |
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| 28 | ! real(jprb) :: pressure_hl(nlev+1) |
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| 29 | |
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| 30 | ! real(jprb) :: decorrelation_length |
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| 31 | |
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| 32 | real(jprb) :: od_scaling(ncol,nlev) |
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| 33 | real(jprb) :: total_cloud_cover |
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| 34 | |
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| 35 | integer :: iseed |
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| 36 | |
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| 37 | integer :: jcol, jlev |
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| 38 | |
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| 39 | type(pdf_sampler_type) :: pdf_sampler |
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| 40 | |
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| 41 | iseed = 1 |
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| 42 | cloud_fraction = 0.0_jprb |
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| 43 | overlap_param = 0.9_jprb |
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| 44 | fractional_std = 1.0_jprb ! Value up to 45R1 |
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| 45 | |
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| 46 | ! Insert cloud layers |
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| 47 | cloud_fraction(115:125) = 0.1_jprb !0.5_jprb |
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| 48 | cloud_fraction(20:100) = 0.1_jprb !0.75_jprb |
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| 49 | |
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| 50 | call pdf_sampler%setup('data/mcica_gamma.nc', iverbose=0) |
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| 51 | |
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| 52 | call cloud_generator(ncol, nlev, i_overlap_scheme, & |
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| 53 | & iseed, frac_threshold, & |
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| 54 | & cloud_fraction, overlap_param, & |
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| 55 | & cloud_inhom_decorr_scaling, & |
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| 56 | & fractional_std, pdf_sampler, & |
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| 57 | & od_scaling, total_cloud_cover) |
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| 58 | |
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| 59 | do jlev = 1,nlev |
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| 60 | do jcol = 1,ncol |
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| 61 | write(6,'(f5.2,a)',advance='no') od_scaling(jcol,jlev), ' ' |
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| 62 | end do |
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| 63 | write(6,*) |
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| 64 | end do |
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| 65 | |
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| 66 | |
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| 67 | end program test_cloud_generator |
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