| 1 | !> @file compute_vpt.f90 |
|---|
| 2 | !------------------------------------------------------------------------------! |
|---|
| 3 | ! This file is part of the PALM model system. |
|---|
| 4 | ! |
|---|
| 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
|---|
| 6 | ! terms of the GNU General Public License as published by the Free Software |
|---|
| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
|---|
| 8 | ! version. |
|---|
| 9 | ! |
|---|
| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
|---|
| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
|---|
| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
|---|
| 13 | ! |
|---|
| 14 | ! You should have received a copy of the GNU General Public License along with |
|---|
| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
|---|
| 16 | ! |
|---|
| 17 | ! Copyright 1997-2019 Leibniz Universitaet Hannover |
|---|
| 18 | !------------------------------------------------------------------------------! |
|---|
| 19 | ! |
|---|
| 20 | ! Current revisions: |
|---|
| 21 | ! ----------------- |
|---|
| 22 | ! |
|---|
| 23 | ! |
|---|
| 24 | ! Former revisions: |
|---|
| 25 | ! ----------------- |
|---|
| 26 | ! $Id: compute_vpt.f90 4182 2019-08-22 15:20:23Z oliver.maas $ |
|---|
| 27 | ! Corrected "Former revisions" section |
|---|
| 28 | ! |
|---|
| 29 | ! 3655 2019-01-07 16:51:22Z knoop |
|---|
| 30 | ! Modularization of all bulk cloud physics code components |
|---|
| 31 | ! |
|---|
| 32 | ! Revision 1.1 2000/04/13 14:40:53 schroeter |
|---|
| 33 | ! Initial revision |
|---|
| 34 | ! |
|---|
| 35 | ! |
|---|
| 36 | ! Description: |
|---|
| 37 | ! ------------- |
|---|
| 38 | !> Computation of the virtual potential temperature |
|---|
| 39 | !------------------------------------------------------------------------------! |
|---|
| 40 | SUBROUTINE compute_vpt |
|---|
| 41 | |
|---|
| 42 | |
|---|
| 43 | USE arrays_3d, & |
|---|
| 44 | ONLY: pt, q, ql, vpt, d_exner |
|---|
| 45 | |
|---|
| 46 | USE basic_constants_and_equations_mod, & |
|---|
| 47 | ONLY: lv_d_cp |
|---|
| 48 | |
|---|
| 49 | USE control_parameters, & |
|---|
| 50 | ONLY: cloud_droplets |
|---|
| 51 | |
|---|
| 52 | USE indices, & |
|---|
| 53 | ONLY: nzb, nzt |
|---|
| 54 | |
|---|
| 55 | USE kinds |
|---|
| 56 | |
|---|
| 57 | USE bulk_cloud_model_mod, & |
|---|
| 58 | ONLY: bulk_cloud_model |
|---|
| 59 | |
|---|
| 60 | IMPLICIT NONE |
|---|
| 61 | |
|---|
| 62 | INTEGER(iwp) :: k !< |
|---|
| 63 | |
|---|
| 64 | IF ( .NOT. bulk_cloud_model .AND. .NOT. cloud_droplets ) THEN |
|---|
| 65 | vpt = pt * ( 1.0_wp + 0.61_wp * q ) |
|---|
| 66 | ELSE IF (bulk_cloud_model) THEN |
|---|
| 67 | DO k = nzb, nzt+1 |
|---|
| 68 | vpt(k,:,:) = ( pt(k,:,:) + d_exner(k) * lv_d_cp * ql(k,:,:) ) * & |
|---|
| 69 | ( 1.0_wp + 0.61_wp * q(k,:,:) - 1.61_wp * ql(k,:,:) ) |
|---|
| 70 | ENDDO |
|---|
| 71 | ELSE |
|---|
| 72 | vpt = pt * ( 1.0_wp + 0.61_wp * q - ql ) |
|---|
| 73 | ENDIF |
|---|
| 74 | |
|---|
| 75 | END SUBROUTINE compute_vpt |
|---|
