| 1 | SUBROUTINE lpm_calc_liquid_water_content |
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| 2 | |
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| 3 | !------------------------------------------------------------------------------! |
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| 4 | ! Current revisions: |
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| 5 | ! ------------------ |
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| 6 | ! |
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| 7 | ! |
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| 8 | ! Former revisions: |
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| 9 | ! ----------------- |
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| 10 | ! $Id: lpm_calc_liquid_water_content.f90 850 2012-03-15 12:09:25Z maronga $ |
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| 11 | ! |
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| 12 | ! 849 2012-03-15 10:35:09Z raasch |
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| 13 | ! initial revision (former part of advec_particles) |
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| 14 | ! |
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| 15 | ! |
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| 16 | ! Description: |
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| 17 | ! ------------ |
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| 18 | ! Calculate the liquid water content for each grid box. |
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| 19 | !------------------------------------------------------------------------------! |
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| 20 | |
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| 21 | USE arrays_3d |
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| 22 | USE cloud_parameters |
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| 23 | USE constants |
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| 24 | USE control_parameters |
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| 25 | USE cpulog |
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| 26 | USE grid_variables |
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| 27 | USE indices |
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| 28 | USE interfaces |
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| 29 | USE particle_attributes |
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| 30 | |
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| 31 | IMPLICIT NONE |
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| 32 | |
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| 33 | INTEGER :: i, j, k, n, psi |
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| 34 | |
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| 35 | |
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| 36 | CALL cpu_log( log_point_s(45), 'lpm_calc_ql', 'start' ) |
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| 37 | |
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| 38 | ! |
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| 39 | !-- Set water content initially to zero |
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| 40 | ql = 0.0; ql_v = 0.0; ql_vp = 0.0 |
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| 41 | |
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| 42 | ! |
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| 43 | !-- Calculate for each grid box |
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| 44 | DO i = nxl, nxr |
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| 45 | DO j = nys, nyn |
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| 46 | DO k = nzb, nzt+1 |
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| 47 | |
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| 48 | ! |
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| 49 | !-- Calculate the total volume in the boxes (ql_v, weighting factor |
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| 50 | !-- has to beincluded) |
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| 51 | psi = prt_start_index(k,j,i) |
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| 52 | DO n = psi, psi+prt_count(k,j,i)-1 |
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| 53 | ql_v(k,j,i) = ql_v(k,j,i) + particles(n)%weight_factor * & |
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| 54 | particles(n)%radius**3 |
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| 55 | ENDDO |
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| 56 | |
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| 57 | ! |
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| 58 | !-- Calculate the liquid water content |
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| 59 | IF ( ql_v(k,j,i) /= 0.0 ) THEN |
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| 60 | ql(k,j,i) = ql(k,j,i) + rho_l * 1.33333333 * pi * & |
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| 61 | ql_v(k,j,i) / & |
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| 62 | ( rho_surface * dx * dy * dz ) |
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| 63 | |
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| 64 | IF ( ql(k,j,i) < 0.0 ) THEN |
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| 65 | WRITE( message_string, * ) 'LWC out of range: ' , & |
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| 66 | ql(k,j,i) |
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| 67 | CALL message( 'lpm_calc_liquid_water_content', '', 2, 2, & |
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| 68 | -1, 6, 1 ) |
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| 69 | ENDIF |
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| 70 | |
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| 71 | ELSE |
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| 72 | |
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| 73 | ql(k,j,i) = 0.0 |
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| 74 | |
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| 75 | ENDIF |
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| 76 | |
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| 77 | ENDDO |
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| 78 | ENDDO |
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| 79 | ENDDO |
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| 80 | |
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| 81 | CALL cpu_log( log_point_s(45), 'lpm_calc_ql', 'stop' ) |
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| 82 | |
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| 83 | |
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| 84 | END SUBROUTINE lpm_calc_liquid_water_content |
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