| [1] | 1 | SUBROUTINE compute_vpt |
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| 2 | |
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| [1036] | 3 | !--------------------------------------------------------------------------------! |
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| 4 | ! This file is part of PALM. |
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| 5 | ! |
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| 6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 8 | ! either version 3 of the License, or (at your option) any later version. |
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| 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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| 17 | ! Copyright 1997-2012 Leibniz University Hannover |
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| 18 | !--------------------------------------------------------------------------------! |
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| 19 | ! |
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| [484] | 20 | ! Current revisions: |
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| [1] | 21 | ! ----------------- |
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| [804] | 22 | ! |
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| [1] | 23 | ! |
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| 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| [3] | 26 | ! $Id: compute_vpt.f90 1037 2012-10-22 14:10:22Z raasch $ |
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| [800] | 27 | ! |
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| [1037] | 28 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 29 | ! code put under GPL (PALM 3.9) |
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| 30 | ! |
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| [804] | 31 | ! 803 2012-01-16 15:48:46Z franke |
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| 32 | ! Bugfix: wrong factor in calculation of vpt in case of cloud droplets |
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| 33 | ! |
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| [800] | 34 | ! 799 2011-12-21 17:48:03Z franke |
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| 35 | ! Bugfix: ql is now included in calculation of vpt in case of |
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| 36 | ! cloud droplets |
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| 37 | ! |
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| [3] | 38 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 39 | ! |
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| [1] | 40 | ! Revision 1.5 2001/03/30 06:58:52 raasch |
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| 41 | ! Translation of remaining German identifiers (variables, subroutines, etc.) |
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| 42 | ! |
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| 43 | ! Revision 1.1 2000/04/13 14:40:53 schroeter |
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| 44 | ! Initial revision |
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| 45 | ! |
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| 46 | ! |
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| 47 | ! Description: |
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| 48 | ! ------------- |
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| 49 | ! Computation of the virtual potential temperature |
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| 50 | !-------------------------------------------------------------------------------! |
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| 51 | |
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| 52 | USE arrays_3d |
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| 53 | USE indices |
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| 54 | USE cloud_parameters |
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| 55 | USE control_parameters |
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| 56 | |
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| 57 | IMPLICIT NONE |
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| 58 | |
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| 59 | INTEGER :: k |
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| 60 | |
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| [799] | 61 | IF ( .NOT. cloud_physics .AND. .NOT. cloud_droplets ) THEN |
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| [1] | 62 | vpt = pt * ( 1.0 + 0.61 * q ) |
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| [799] | 63 | ELSE IF (cloud_physics) THEN |
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| [1] | 64 | DO k = nzb, nzt+1 |
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| 65 | vpt(k,:,:) = ( pt(k,:,:) + pt_d_t(k) * l_d_cp * ql(k,:,:) ) * & |
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| 66 | ( 1.0 + 0.61 * q(k,:,:) - 1.61 * ql(k,:,:) ) |
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| 67 | ENDDO |
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| [799] | 68 | ELSE |
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| [803] | 69 | vpt = pt * ( 1.0 + 0.61 * q - ql ) |
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| [1] | 70 | ENDIF |
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| 71 | |
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| 72 | END SUBROUTINE compute_vpt |
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