[1] | 1 | MODULE buoyancy_mod |
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| 2 | |
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| 3 | !------------------------------------------------------------------------------! |
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| 4 | ! Actual revisions: |
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| 5 | ! ----------------- |
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[97] | 6 | ! Routine reneralized to be used with temperature AND density: |
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| 7 | ! argument theta renamed var, new argument var_reference, |
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| 8 | ! use_pt_reference renamed use_reference, |
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[96] | 9 | ! calc_mean_pt_profile renamed calc_mean_profile |
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[1] | 10 | ! |
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| 11 | ! Former revisions: |
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| 12 | ! ----------------- |
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[3] | 13 | ! $Id: buoyancy.f90 97 2007-06-21 08:23:15Z raasch $ |
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[77] | 14 | ! |
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| 15 | ! 57 2007-03-09 12:05:41Z raasch |
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| 16 | ! Reference temperature pt_reference can be used. |
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| 17 | ! |
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[3] | 18 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 19 | ! |
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[1] | 20 | ! Revision 1.19 2006/04/26 12:09:56 raasch |
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| 21 | ! OpenMP optimization (one dimension added to sums_l) |
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| 22 | ! |
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| 23 | ! Revision 1.1 1997/08/29 08:56:48 raasch |
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| 24 | ! Initial revision |
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| 25 | ! |
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| 26 | ! |
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| 27 | ! Description: |
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| 28 | ! ------------ |
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| 29 | ! Buoyancy term of the third component of the equation of motion. |
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| 30 | ! WARNING: humidity is not regarded when using a sloping surface! |
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| 31 | !------------------------------------------------------------------------------! |
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| 32 | |
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| 33 | PRIVATE |
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[96] | 34 | PUBLIC buoyancy, calc_mean_profile |
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[1] | 35 | |
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| 36 | INTERFACE buoyancy |
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| 37 | MODULE PROCEDURE buoyancy |
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| 38 | MODULE PROCEDURE buoyancy_ij |
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| 39 | END INTERFACE buoyancy |
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| 40 | |
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[96] | 41 | INTERFACE calc_mean_profile |
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| 42 | MODULE PROCEDURE calc_mean_profile |
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| 43 | END INTERFACE calc_mean_profile |
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[1] | 44 | |
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| 45 | CONTAINS |
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| 46 | |
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| 47 | |
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| 48 | !------------------------------------------------------------------------------! |
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| 49 | ! Call for all grid points |
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| 50 | !------------------------------------------------------------------------------! |
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[97] | 51 | SUBROUTINE buoyancy( var, var_reference, wind_component, pr ) |
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[1] | 52 | |
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| 53 | USE arrays_3d |
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| 54 | USE control_parameters |
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| 55 | USE indices |
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| 56 | USE pegrid |
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| 57 | USE statistics |
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| 58 | |
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| 59 | IMPLICIT NONE |
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| 60 | |
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| 61 | INTEGER :: i, j, k, pr, wind_component |
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[97] | 62 | REAL :: var_reference |
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| 63 | REAL, DIMENSION(:,:,:), POINTER :: var |
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[1] | 64 | |
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| 65 | |
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| 66 | IF ( .NOT. sloping_surface ) THEN |
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| 67 | ! |
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| 68 | !-- Normal case: horizontal surface |
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[97] | 69 | IF ( use_reference ) THEN |
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[57] | 70 | DO i = nxl, nxr |
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| 71 | DO j = nys, nyn |
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| 72 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 73 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * & |
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| 74 | ( & |
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| 75 | ( var(k,j,i) - hom(k,1,pr,0) ) / var_reference + & |
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| 76 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / var_reference & |
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[57] | 77 | ) |
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| 78 | ENDDO |
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| 79 | ENDDO |
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| 80 | ENDDO |
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| 81 | ELSE |
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| 82 | DO i = nxl, nxr |
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| 83 | DO j = nys, nyn |
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| 84 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 85 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * & |
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| 86 | ( & |
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| 87 | ( var(k,j,i) - hom(k,1,pr,0) ) / hom(k,1,pr,0) + & |
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| 88 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / hom(k+1,1,pr,0) & |
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[57] | 89 | ) |
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| 90 | ENDDO |
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[1] | 91 | ENDDO |
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| 92 | ENDDO |
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[57] | 93 | ENDIF |
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[1] | 94 | |
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| 95 | ELSE |
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| 96 | ! |
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| 97 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 98 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 99 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 100 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 101 | !-- of the total domain. |
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| 102 | IF ( wind_component == 1 ) THEN |
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| 103 | |
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| 104 | DO i = nxl, nxr |
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| 105 | DO j = nys, nyn |
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| 106 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 107 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 108 | 0.5 * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 109 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 110 | ) / pt_surface |
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| 111 | ENDDO |
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| 112 | ENDDO |
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| 113 | ENDDO |
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| 114 | |
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| 115 | ELSEIF ( wind_component == 3 ) THEN |
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| 116 | |
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| 117 | DO i = nxl, nxr |
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| 118 | DO j = nys, nyn |
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| 119 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 120 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 121 | 0.5 * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 122 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 123 | ) / pt_surface |
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| 124 | ENDDO |
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| 125 | ENDDO |
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| 126 | ENDDO |
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| 127 | |
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| 128 | ELSE |
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| 129 | |
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| 130 | IF ( myid == 0 ) PRINT*, '+++ buoyancy: no term for component "',& |
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| 131 | wind_component,'"' |
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| 132 | CALL local_stop |
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| 133 | |
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| 134 | ENDIF |
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| 135 | |
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| 136 | ENDIF |
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| 137 | |
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| 138 | END SUBROUTINE buoyancy |
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| 139 | |
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| 140 | |
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| 141 | !------------------------------------------------------------------------------! |
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| 142 | ! Call for grid point i,j |
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| 143 | !------------------------------------------------------------------------------! |
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[97] | 144 | SUBROUTINE buoyancy_ij( i, j, var, var_reference, wind_component, pr ) |
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[1] | 145 | |
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| 146 | USE arrays_3d |
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| 147 | USE control_parameters |
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| 148 | USE indices |
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| 149 | USE pegrid |
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| 150 | USE statistics |
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| 151 | |
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| 152 | IMPLICIT NONE |
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| 153 | |
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| 154 | INTEGER :: i, j, k, pr, wind_component |
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[97] | 155 | REAL :: var_reference |
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| 156 | REAL, DIMENSION(:,:,:), POINTER :: var |
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[1] | 157 | |
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| 158 | |
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| 159 | IF ( .NOT. sloping_surface ) THEN |
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| 160 | ! |
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| 161 | !-- Normal case: horizontal surface |
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[97] | 162 | IF ( use_reference ) THEN |
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[57] | 163 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 164 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * ( & |
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| 165 | ( var(k,j,i) - hom(k,1,pr,0) ) / var_reference + & |
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| 166 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / var_reference & |
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| 167 | ) |
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[57] | 168 | ENDDO |
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| 169 | ELSE |
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| 170 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 171 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * ( & |
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| 172 | ( var(k,j,i) - hom(k,1,pr,0) ) / hom(k,1,pr,0) + & |
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| 173 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / hom(k+1,1,pr,0) & |
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| 174 | ) |
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[57] | 175 | ENDDO |
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| 176 | ENDIF |
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[1] | 177 | |
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| 178 | ELSE |
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| 179 | ! |
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| 180 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 181 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 182 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 183 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 184 | !-- of the total domain. |
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| 185 | IF ( wind_component == 1 ) THEN |
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| 186 | |
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| 187 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 188 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 189 | 0.5 * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 190 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 191 | ) / pt_surface |
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| 192 | ENDDO |
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| 193 | |
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| 194 | ELSEIF ( wind_component == 3 ) THEN |
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| 195 | |
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| 196 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 197 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 198 | 0.5 * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 199 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 200 | ) / pt_surface |
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| 201 | ENDDO |
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| 202 | |
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| 203 | ELSE |
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| 204 | |
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| 205 | IF ( myid == 0 ) PRINT*, '+++ buoyancy: no term for component "',& |
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| 206 | wind_component,'"' |
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| 207 | CALL local_stop |
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| 208 | |
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| 209 | ENDIF |
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| 210 | |
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| 211 | ENDIF |
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| 212 | |
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| 213 | END SUBROUTINE buoyancy_ij |
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| 214 | |
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| 215 | |
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[96] | 216 | SUBROUTINE calc_mean_profile( var, pr ) |
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[1] | 217 | |
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| 218 | !------------------------------------------------------------------------------! |
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| 219 | ! Description: |
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| 220 | ! ------------ |
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| 221 | ! Calculate the horizontally averaged vertical temperature profile (pr=4 in case |
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| 222 | ! of potential temperature and 44 in case of virtual potential temperature). |
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| 223 | !------------------------------------------------------------------------------! |
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| 224 | |
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| 225 | USE control_parameters |
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| 226 | USE indices |
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| 227 | USE pegrid |
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| 228 | USE statistics |
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| 229 | |
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| 230 | IMPLICIT NONE |
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| 231 | |
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| 232 | INTEGER :: i, j, k, omp_get_thread_num, pr, tn |
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[96] | 233 | REAL, DIMENSION(:,:,:), POINTER :: var |
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[1] | 234 | |
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| 235 | ! |
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[96] | 236 | !-- Computation of the horizontally averaged profile of variable var, unless |
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[1] | 237 | !-- already done by the relevant call from flow_statistics. The calculation |
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| 238 | !-- is done only for the first respective intermediate timestep in order to |
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| 239 | !-- spare communication time and to produce identical model results with jobs |
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| 240 | !-- which are calling flow_statistics at different time intervals. |
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| 241 | IF ( .NOT. flow_statistics_called .AND. & |
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| 242 | intermediate_timestep_count == 1 ) THEN |
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| 243 | |
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| 244 | ! |
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[96] | 245 | !-- Horizontal average of variable var |
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[1] | 246 | tn = 0 ! Default thread number in case of one thread |
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| 247 | !$OMP PARALLEL PRIVATE( i, j, k, tn ) |
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| 248 | !$ tn = omp_get_thread_num() |
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| 249 | sums_l(:,pr,tn) = 0.0 |
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| 250 | !$OMP DO |
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| 251 | DO i = nxl, nxr |
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| 252 | DO j = nys, nyn |
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| 253 | DO k = nzb_s_outer(j,i), nzt+1 |
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[96] | 254 | sums_l(k,pr,tn) = sums_l(k,pr,tn) + var(k,j,i) |
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[1] | 255 | ENDDO |
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| 256 | ENDDO |
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| 257 | ENDDO |
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| 258 | !$OMP END PARALLEL |
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| 259 | |
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| 260 | DO i = 1, threads_per_task-1 |
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| 261 | sums_l(:,pr,0) = sums_l(:,pr,0) + sums_l(:,pr,i) |
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| 262 | ENDDO |
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| 263 | |
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| 264 | #if defined( __parallel ) |
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| 265 | |
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| 266 | CALL MPI_ALLREDUCE( sums_l(nzb,pr,0), sums(nzb,pr), nzt+2-nzb, & |
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| 267 | MPI_REAL, MPI_SUM, comm2d, ierr ) |
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| 268 | |
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| 269 | #else |
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| 270 | |
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| 271 | sums(:,pr) = sums_l(:,pr,0) |
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| 272 | |
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| 273 | #endif |
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| 274 | |
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| 275 | hom(:,1,pr,0) = sums(:,pr) / ngp_2dh_outer(:,0) |
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| 276 | |
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| 277 | ENDIF |
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| 278 | |
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[96] | 279 | END SUBROUTINE calc_mean_profile |
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[1] | 280 | |
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| 281 | END MODULE buoyancy_mod |
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