source: LMDZ5/branches/IPSLCM6.0.10/libf/phylmd/StratAer/ocs_to_so2.F90 @ 5445

Last change on this file since 5445 was 2787, checked in by Laurent Fairhead, 8 years ago

Merged trunk changes r2727:2785 into testing branch

File size: 1.9 KB
Line 
1SUBROUTINE ocs_to_so2(pdtphys,tr_seri,t_seri,pplay,paprs,is_strato)
2
3  USE dimphy, ONLY : klon,klev
4  USE aerophys
5  USE infotrac
6  USE YOMCST, ONLY : RG
7  USE phys_local_var_mod, ONLY : OCS_lifetime, budg_3D_ocs_to_so2, budg_ocs_to_so2
8
9  IMPLICIT NONE
10
11  !--------------------------------------------------------
12  ! transfer variables when calling this routine
13  REAL,INTENT(IN)                               :: pdtphys ! Pas d'integration pour la physique (seconde)
14  REAL,DIMENSION(klon,klev,nbtr),INTENT(INOUT)  :: tr_seri ! Concentration Traceur [U/KgA]
15  REAL,DIMENSION(klon,klev),INTENT(IN)          :: t_seri  ! Temperature
16  REAL,DIMENSION(klon,klev),INTENT(IN)          :: pplay   ! pression pour le mileu de chaque couche (en Pa)
17  REAL,DIMENSION(klon,klev+1),INTENT(IN)        :: paprs   ! pression pour chaque inter-couche (en Pa)
18  LOGICAL,DIMENSION(klon,klev),INTENT(IN)       :: is_strato
19
20  ! local variables
21  INTEGER                                       :: i,j,k,nb,ilon,ilev
22
23!--convert OCS to SO2
24  budg_3D_ocs_to_so2(:,:)=0.0
25  budg_ocs_to_so2(:)=0.0
26
27  DO ilon=1, klon
28  DO ilev=1, klev
29  !only in the stratosphere
30  IF (is_strato(ilon,ilev)) THEN
31    IF (OCS_lifetime(ilon,ilev).GT.0.0) THEN
32      budg_3D_ocs_to_so2(ilon,ilev)=tr_seri(ilon,ilev,id_OCS_strat)*(1.0-exp(-pdtphys/OCS_lifetime(ilon,ilev)))
33    ENDIF
34    tr_seri(ilon,ilev,id_OCS_strat)=tr_seri(ilon,ilev,id_OCS_strat) - budg_3D_ocs_to_so2(ilon,ilev)
35    tr_seri(ilon,ilev,id_SO2_strat)=tr_seri(ilon,ilev,id_SO2_strat) + mSO2mol/mOCSmol*budg_3D_ocs_to_so2(ilon,ilev)
36    !convert budget from kg(OCS)/kgA to kg(S)/m2/layer/s for saving as diagnostic
37    budg_3D_ocs_to_so2(ilon,ilev)=budg_3D_ocs_to_so2(ilon,ilev)*mSatom/mOCSmol*(paprs(ilon,ilev)-paprs(ilon,ilev+1))/RG/pdtphys
38    budg_ocs_to_so2(ilon)=budg_ocs_to_so2(ilon)+budg_3D_ocs_to_so2(ilon,ilev)
39  ENDIF
40  ENDDO
41  ENDDO
42
43END SUBROUTINE ocs_to_so2
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