[1682] | 1 | !> @file lpm_calc_liquid_water_content.f90 |
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[2000] | 2 | !------------------------------------------------------------------------------! |
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[1036] | 3 | ! This file is part of PALM. |
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| 4 | ! |
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[2000] | 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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| 6 | ! terms of the GNU General Public License as published by the Free Software |
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| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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| 8 | ! version. |
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[1036] | 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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[1818] | 17 | ! Copyright 1997-2016 Leibniz Universitaet Hannover |
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[2000] | 18 | !------------------------------------------------------------------------------! |
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[1036] | 19 | ! |
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[849] | 20 | ! Current revisions: |
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| 21 | ! ------------------ |
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[1360] | 22 | ! |
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[2001] | 23 | ! |
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[1321] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: lpm_calc_liquid_water_content.f90 2001 2016-08-20 18:41:22Z gronemeier $ |
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| 27 | ! |
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[2001] | 28 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 29 | ! Forced header and separation lines into 80 columns |
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| 30 | ! |
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[1823] | 31 | ! 1822 2016-04-07 07:49:42Z hoffmann |
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| 32 | ! Unused variables removed. |
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| 33 | ! |
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[1683] | 34 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 35 | ! Code annotations made doxygen readable |
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| 36 | ! |
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[1360] | 37 | ! 1359 2014-04-11 17:15:14Z hoffmann |
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| 38 | ! New particle structure integrated. |
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| 39 | ! Kind definition added to all floating point numbers. |
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| 40 | ! |
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[1321] | 41 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 42 | ! ONLY-attribute added to USE-statements, |
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| 43 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 44 | ! kinds are defined in new module kinds, |
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| 45 | ! comment fields (!:) to be used for variable explanations added to |
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| 46 | ! all variable declaration statements |
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[849] | 47 | ! |
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[1037] | 48 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 49 | ! code put under GPL (PALM 3.9) |
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| 50 | ! |
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[850] | 51 | ! 849 2012-03-15 10:35:09Z raasch |
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| 52 | ! initial revision (former part of advec_particles) |
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[849] | 53 | ! |
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[850] | 54 | ! |
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[849] | 55 | ! Description: |
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| 56 | ! ------------ |
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[1682] | 57 | !> Calculate the liquid water content for each grid box. |
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[849] | 58 | !------------------------------------------------------------------------------! |
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[1682] | 59 | SUBROUTINE lpm_calc_liquid_water_content |
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| 60 | |
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[849] | 61 | |
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[1320] | 62 | USE arrays_3d, & |
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| 63 | ONLY: ql, ql_v, ql_vp |
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[849] | 64 | |
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[1320] | 65 | USE cloud_parameters, & |
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| 66 | ONLY: rho_l |
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| 67 | |
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| 68 | USE constants, & |
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| 69 | ONLY: pi |
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| 70 | |
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| 71 | USE control_parameters, & |
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| 72 | ONLY: dz, message_string, rho_surface |
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| 73 | |
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| 74 | USE cpulog, & |
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| 75 | ONLY: cpu_log, log_point_s |
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| 76 | |
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| 77 | USE grid_variables, & |
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| 78 | ONLY: dx, dy |
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| 79 | |
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| 80 | USE indices, & |
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| 81 | ONLY: nxl, nxr, nyn, nys, nzb, nzt |
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| 82 | |
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| 83 | USE kinds |
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| 84 | |
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| 85 | USE particle_attributes, & |
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[1359] | 86 | ONLY: grid_particles, number_of_particles, particles, prt_count |
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[1320] | 87 | |
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[849] | 88 | IMPLICIT NONE |
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| 89 | |
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[1682] | 90 | INTEGER(iwp) :: i !< |
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| 91 | INTEGER(iwp) :: j !< |
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| 92 | INTEGER(iwp) :: k !< |
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| 93 | INTEGER(iwp) :: n !< |
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[849] | 94 | |
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| 95 | CALL cpu_log( log_point_s(45), 'lpm_calc_ql', 'start' ) |
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| 96 | |
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| 97 | ! |
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| 98 | !-- Set water content initially to zero |
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[1359] | 99 | ql = 0.0_wp; ql_v = 0.0_wp; ql_vp = 0.0_wp |
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[849] | 100 | |
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| 101 | ! |
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| 102 | !-- Calculate for each grid box |
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| 103 | DO i = nxl, nxr |
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| 104 | DO j = nys, nyn |
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[1359] | 105 | DO k = nzb+1, nzt |
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[849] | 106 | |
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[1359] | 107 | number_of_particles = prt_count(k,j,i) |
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| 108 | IF ( number_of_particles <= 0 ) CYCLE |
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| 109 | particles => grid_particles(k,j,i)%particles(1:number_of_particles) |
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| 110 | |
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[849] | 111 | ! |
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| 112 | !-- Calculate the total volume in the boxes (ql_v, weighting factor |
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| 113 | !-- has to beincluded) |
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[1359] | 114 | DO n = 1, prt_count(k,j,i) |
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[849] | 115 | ql_v(k,j,i) = ql_v(k,j,i) + particles(n)%weight_factor * & |
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| 116 | particles(n)%radius**3 |
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| 117 | ENDDO |
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| 118 | |
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| 119 | ! |
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| 120 | !-- Calculate the liquid water content |
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[1359] | 121 | IF ( ql_v(k,j,i) /= 0.0_wp ) THEN |
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| 122 | ql(k,j,i) = ql(k,j,i) + rho_l * 1.33333333_wp * pi * & |
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[849] | 123 | ql_v(k,j,i) / & |
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| 124 | ( rho_surface * dx * dy * dz ) |
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| 125 | |
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[1359] | 126 | IF ( ql(k,j,i) < 0.0_wp ) THEN |
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[849] | 127 | WRITE( message_string, * ) 'LWC out of range: ' , & |
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[1359] | 128 | ql(k,j,i),i,j,k |
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[849] | 129 | CALL message( 'lpm_calc_liquid_water_content', '', 2, 2, & |
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| 130 | -1, 6, 1 ) |
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| 131 | ENDIF |
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| 132 | |
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| 133 | ELSE |
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| 134 | |
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[1359] | 135 | ql(k,j,i) = 0.0_wp |
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[849] | 136 | |
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| 137 | ENDIF |
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| 138 | |
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| 139 | ENDDO |
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| 140 | ENDDO |
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| 141 | ENDDO |
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| 142 | |
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| 143 | CALL cpu_log( log_point_s(45), 'lpm_calc_ql', 'stop' ) |
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| 144 | |
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| 145 | |
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| 146 | END SUBROUTINE lpm_calc_liquid_water_content |
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