source: palm/trunk/SOURCE/compute_vpt.f90 @ 799

Last change on this file since 799 was 799, checked in by franke, 10 years ago

Implementation of Wang collision kernel and bugfix for calculation of vpt, pt_p, and ec in case of cloud droplets

  • Property svn:keywords set to Id
File size: 1.2 KB
Line 
1 SUBROUTINE compute_vpt
2
3!-------------------------------------------------------------------------------!
4! Current revisions:
5! -----------------
6! Bugfix: ql is now included in calculation of vpt in case of
7!         cloud droplets
8!
9! Former revisions:
10! -----------------
11! $Id: compute_vpt.f90 799 2011-12-21 17:48:03Z franke $
12! RCS Log replace by Id keyword, revision history cleaned up
13!
14! Revision 1.5  2001/03/30 06:58:52  raasch
15! Translation of remaining German identifiers (variables, subroutines, etc.)
16!
17! Revision 1.1  2000/04/13 14:40:53  schroeter
18! Initial revision
19!
20!
21! Description:
22! -------------
23! Computation of the virtual potential temperature
24!-------------------------------------------------------------------------------!
25
26    USE arrays_3d
27    USE indices
28    USE cloud_parameters
29    USE control_parameters
30
31    IMPLICIT NONE
32
33    INTEGER :: k
34
35    IF ( .NOT. cloud_physics .AND. .NOT. cloud_droplets ) THEN
36       vpt = pt * ( 1.0 + 0.61 * q )
37    ELSE IF (cloud_physics) THEN
38       DO  k = nzb, nzt+1
39          vpt(k,:,:) = ( pt(k,:,:) + pt_d_t(k) * l_d_cp * ql(k,:,:) ) * &
40                       ( 1.0 + 0.61 * q(k,:,:) - 1.61 * ql(k,:,:) ) 
41       ENDDO
42    ELSE
43       vpt = pt * ( 1.0 + 0.61 * q - 1.61 * ql ) 
44    ENDIF
45
46 END SUBROUTINE compute_vpt
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