[1873] | 1 | !> @file buoyancy.f90 |
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[2000] | 2 | !------------------------------------------------------------------------------! |
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[2696] | 3 | ! This file is part of the PALM model system. |
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[1036] | 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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[3655] | 17 | ! Copyright 1997-2019 Leibniz Universitaet Hannover |
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[2000] | 18 | !------------------------------------------------------------------------------! |
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[1036] | 19 | ! |
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[1328] | 20 | ! Current revisions: |
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[1179] | 21 | ! ------------------ |
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[1354] | 22 | ! |
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[2233] | 23 | ! |
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[1321] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: buoyancy.f90 4180 2019-08-21 14:37:54Z scharf $ |
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[3725] | 27 | ! unused variables removed |
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| 28 | ! |
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| 29 | ! 3655 2019-01-07 16:51:22Z knoop |
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[3636] | 30 | ! nopointer option removed |
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| 31 | ! |
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[3241] | 32 | ! |
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[1] | 33 | ! Description: |
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| 34 | ! ------------ |
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[1682] | 35 | !> Buoyancy term of the third component of the equation of motion. |
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| 36 | !> @attention Humidity is not regarded when using a sloping surface! |
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[1] | 37 | !------------------------------------------------------------------------------! |
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[1682] | 38 | MODULE buoyancy_mod |
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[1] | 39 | |
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[3274] | 40 | USE basic_constants_and_equations_mod, & |
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| 41 | ONLY: g |
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| 42 | |
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[3294] | 43 | USE arrays_3d, & |
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| 44 | ONLY: pt, pt_slope_ref, ref_state, tend |
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| 45 | |
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| 46 | USE control_parameters, & |
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| 47 | ONLY: atmos_ocean_sign, cos_alpha_surface, message_string, pt_surface,& |
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| 48 | sin_alpha_surface, sloping_surface |
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| 49 | |
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| 50 | USE kinds |
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| 51 | |
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[1] | 52 | PRIVATE |
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[2118] | 53 | PUBLIC buoyancy |
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[1] | 54 | |
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| 55 | INTERFACE buoyancy |
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| 56 | MODULE PROCEDURE buoyancy |
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| 57 | MODULE PROCEDURE buoyancy_ij |
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| 58 | END INTERFACE buoyancy |
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| 59 | |
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| 60 | CONTAINS |
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| 61 | |
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| 62 | |
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| 63 | !------------------------------------------------------------------------------! |
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[1682] | 64 | ! Description: |
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| 65 | ! ------------ |
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| 66 | !> Call for all grid points |
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[1] | 67 | !------------------------------------------------------------------------------! |
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[1179] | 68 | SUBROUTINE buoyancy( var, wind_component ) |
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[1] | 69 | |
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[1320] | 70 | USE indices, & |
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[3725] | 71 | ONLY: nxl, nxlu, nxr, nyn, nys, nzb, nzt |
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[1320] | 72 | |
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| 73 | |
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[1] | 74 | IMPLICIT NONE |
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| 75 | |
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[1682] | 76 | INTEGER(iwp) :: i !< |
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| 77 | INTEGER(iwp) :: j !< |
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| 78 | INTEGER(iwp) :: k !< |
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| 79 | INTEGER(iwp) :: wind_component !< |
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[1320] | 80 | |
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| 81 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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[1] | 82 | |
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| 83 | |
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| 84 | IF ( .NOT. sloping_surface ) THEN |
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| 85 | ! |
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| 86 | !-- Normal case: horizontal surface |
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[3634] | 87 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) & |
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| 88 | !$ACC PRESENT(var) & |
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| 89 | !$ACC PRESENT(ref_state) & |
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| 90 | !$ACC PRESENT(tend) |
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[1179] | 91 | DO i = nxl, nxr |
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| 92 | DO j = nys, nyn |
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[2232] | 93 | DO k = nzb+1, nzt-1 |
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| 94 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5_wp * & |
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| 95 | ( & |
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[1353] | 96 | ( var(k,j,i) - ref_state(k) ) / ref_state(k) + & |
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| 97 | ( var(k+1,j,i) - ref_state(k+1) ) / ref_state(k+1) & |
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[3538] | 98 | ) |
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[57] | 99 | ENDDO |
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| 100 | ENDDO |
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[1179] | 101 | ENDDO |
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[1] | 102 | |
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| 103 | ELSE |
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| 104 | ! |
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| 105 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 106 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 107 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 108 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 109 | !-- of the total domain. |
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| 110 | IF ( wind_component == 1 ) THEN |
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| 111 | |
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[106] | 112 | DO i = nxlu, nxr |
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[1] | 113 | DO j = nys, nyn |
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[2232] | 114 | DO k = nzb+1, nzt-1 |
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| 115 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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[1353] | 116 | 0.5_wp * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 117 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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[3538] | 118 | ) / pt_surface |
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[1] | 119 | ENDDO |
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| 120 | ENDDO |
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| 121 | ENDDO |
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| 122 | |
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| 123 | ELSEIF ( wind_component == 3 ) THEN |
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| 124 | |
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| 125 | DO i = nxl, nxr |
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| 126 | DO j = nys, nyn |
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[2232] | 127 | DO k = nzb+1, nzt-1 |
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| 128 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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[1353] | 129 | 0.5_wp * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 130 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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[3538] | 131 | ) / pt_surface |
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[1] | 132 | ENDDO |
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| 133 | ENDDO |
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| 134 | ENDDO |
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| 135 | |
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| 136 | ELSE |
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[247] | 137 | |
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[1320] | 138 | WRITE( message_string, * ) 'no term for component "', & |
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[1] | 139 | wind_component,'"' |
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[247] | 140 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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[1] | 141 | |
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| 142 | ENDIF |
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| 143 | |
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| 144 | ENDIF |
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| 145 | |
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| 146 | END SUBROUTINE buoyancy |
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| 147 | |
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| 148 | |
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| 149 | !------------------------------------------------------------------------------! |
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[1682] | 150 | ! Description: |
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| 151 | ! ------------ |
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| 152 | !> Call for grid point i,j |
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| 153 | !> @attention PGI-compiler creates SIGFPE if opt>1 is used! Therefore, opt=1 is |
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| 154 | !> forced by compiler-directive. |
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[1] | 155 | !------------------------------------------------------------------------------! |
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[515] | 156 | !pgi$r opt=1 |
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[1179] | 157 | SUBROUTINE buoyancy_ij( i, j, var, wind_component ) |
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[1] | 158 | |
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[1320] | 159 | |
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| 160 | USE indices, & |
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[3725] | 161 | ONLY: nzb, nzt |
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[1320] | 162 | |
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[1] | 163 | IMPLICIT NONE |
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| 164 | |
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[1682] | 165 | INTEGER(iwp) :: i !< |
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| 166 | INTEGER(iwp) :: j !< |
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| 167 | INTEGER(iwp) :: k !< |
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| 168 | INTEGER(iwp) :: wind_component !< |
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[1320] | 169 | |
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| 170 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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[1] | 171 | |
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| 172 | |
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| 173 | IF ( .NOT. sloping_surface ) THEN |
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| 174 | ! |
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| 175 | !-- Normal case: horizontal surface |
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[2232] | 176 | DO k = nzb+1, nzt-1 |
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[1353] | 177 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5_wp * ( & |
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[1320] | 178 | ( var(k,j,i) - ref_state(k) ) / ref_state(k) + & |
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| 179 | ( var(k+1,j,i) - ref_state(k+1) ) / ref_state(k+1) & |
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[3538] | 180 | ) |
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[1179] | 181 | ENDDO |
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[1] | 182 | |
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| 183 | ELSE |
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| 184 | ! |
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| 185 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 186 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 187 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 188 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 189 | !-- of the total domain. |
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| 190 | IF ( wind_component == 1 ) THEN |
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| 191 | |
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[2232] | 192 | DO k = nzb+1, nzt-1 |
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| 193 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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[1353] | 194 | 0.5_wp * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 195 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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[3538] | 196 | ) / pt_surface |
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[1] | 197 | ENDDO |
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| 198 | |
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| 199 | ELSEIF ( wind_component == 3 ) THEN |
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| 200 | |
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[2232] | 201 | DO k = nzb+1, nzt-1 |
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| 202 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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[1353] | 203 | 0.5_wp * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 204 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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[3538] | 205 | ) / pt_surface |
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[1] | 206 | ENDDO |
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| 207 | |
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| 208 | ELSE |
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| 209 | |
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[1320] | 210 | WRITE( message_string, * ) 'no term for component "', & |
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[1] | 211 | wind_component,'"' |
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[247] | 212 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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[1] | 213 | |
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| 214 | ENDIF |
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| 215 | |
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| 216 | ENDIF |
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| 217 | |
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| 218 | END SUBROUTINE buoyancy_ij |
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| 219 | |
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| 220 | END MODULE buoyancy_mod |
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