!> @file compute_vpt.f90 !------------------------------------------------------------------------------! ! This file is part of the PALM model system. ! ! PALM is free software: you can redistribute it and/or modify it under the ! terms of the GNU General Public License as published by the Free Software ! Foundation, either version 3 of the License, or (at your option) any later ! version. ! ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. ! ! You should have received a copy of the GNU General Public License along with ! PALM. If not, see . ! ! Copyright 1997-2017 Leibniz Universitaet Hannover !------------------------------------------------------------------------------! ! ! Current revisions: ! ----------------- ! ! ! Former revisions: ! ----------------- ! $Id: compute_vpt.f90 2716 2017-12-29 16:35:59Z kanani $ ! Corrected "Former revisions" section ! ! 2696 2017-12-14 17:12:51Z kanani ! Change in file header (GPL part) ! ! 2101 2017-01-05 16:42:31Z suehring ! ! 2000 2016-08-20 18:09:15Z knoop ! Forced header and separation lines into 80 columns ! ! 1682 2015-10-07 23:56:08Z knoop ! Code annotations made doxygen readable ! ! 1353 2014-04-08 15:21:23Z heinze ! REAL constants provided with KIND-attribute ! ! 1320 2014-03-20 08:40:49Z raasch ! ONLY-attribute added to USE-statements, ! kind-parameters added to all INTEGER and REAL declaration statements, ! kinds are defined in new module kinds, ! revision history before 2012 removed, ! comment fields (!:) to be used for variable explanations added to ! all variable declaration statements ! ! 1036 2012-10-22 13:43:42Z raasch ! code put under GPL (PALM 3.9) ! ! 803 2012-01-16 15:48:46Z franke ! Bugfix: wrong factor in calculation of vpt in case of cloud droplets ! ! Revision 1.1 2000/04/13 14:40:53 schroeter ! Initial revision ! ! ! Description: ! ------------- !> Computation of the virtual potential temperature !------------------------------------------------------------------------------! SUBROUTINE compute_vpt USE arrays_3d, & ONLY: pt, q, ql, vpt USE indices, & ONLY: nzb, nzt USE cloud_parameters, & ONLY: l_d_cp, pt_d_t USE control_parameters, & ONLY: cloud_droplets, cloud_physics USE kinds IMPLICIT NONE INTEGER(iwp) :: k !< IF ( .NOT. cloud_physics .AND. .NOT. cloud_droplets ) THEN vpt = pt * ( 1.0_wp + 0.61_wp * q ) ELSE IF (cloud_physics) THEN DO k = nzb, nzt+1 vpt(k,:,:) = ( pt(k,:,:) + pt_d_t(k) * l_d_cp * ql(k,:,:) ) * & ( 1.0_wp + 0.61_wp * q(k,:,:) - 1.61_wp * ql(k,:,:) ) ENDDO ELSE vpt = pt * ( 1.0_wp + 0.61_wp * q - ql ) ENDIF END SUBROUTINE compute_vpt