source: trunk/LMDZ.PLUTO/libf/phypluto/testconservmass.F90

Last change on this file was 3412, checked in by afalco, 3 months ago

Pluto PCM: Imported glaciers & conserv mass routines from pluto.old.
AF

File size: 2.4 KB
Line 
1      subroutine testconservmass(ngrid,nlayer, &
2          ps,surfmass)
3
4      use comcstfi_mod, only: g
5      use geometry_mod, only: cell_area
6      USE comgeomfi_h, only: totarea
7      implicit none
8
9!==================================================================
10!     Purpose
11!     -------
12!     Test conservation of n2 mass
13
14!     Inputs
15!     ------
16!     ngrid                 Number of vertical columns
17!     nlayer                Number of layers
18!     pplev(ngrid,nlayer+1) Pressure levels
19!     surfmass   
20!
21!     Authors
22!     -------
23!     Tanguy Bertrand 2015
24!     
25!==================================================================
26
27#include "dimensions.h"
28
29!-----------------------------------------------------------------------
30!     Arguments
31      INTEGER ngrid, nlayer
32      REAL ps(ngrid)
33      REAL surfmass(ngrid)
34
35      ! LOCAL VARIABLES
36      INTEGER l,ig,iq
37      REAL atmmass
38      REAL pstot
39
40      ! OUTPUT
41      REAL atmmasstot
42      REAL surfmasstot
43      REAL totmass
44!-----------------------------------------------------------------------
45
46      atmmass=0.0
47      atmmasstot=0.0
48      surfmasstot=0.0
49      pstot=0.0
50
51      do ig = 2, ngrid-1
52
53         ! mass atm kg/m2
54         atmmass = ps(ig)/g
55         
56         pstot = pstot+ps(ig)*cell_area(ig)
57
58         ! mass atm kg
59         atmmasstot= atmmasstot + atmmass*cell_area(ig)
60
61         surfmasstot= surfmasstot + surfmass(ig)*cell_area(ig)
62
63      enddo
64      atmmasstot= atmmasstot + ps(1)/g*cell_area(1)*iim
65      atmmasstot= atmmasstot + ps(ngrid)/g*cell_area(ngrid)*iim
66
67      surfmasstot= surfmasstot + surfmass(1)*cell_area(1)*iim
68      surfmasstot= surfmasstot + surfmass(ngrid)*cell_area(ngrid)*iim
69
70      pstot= pstot + ps(1)*cell_area(1)*iim
71      pstot= pstot + ps(ngrid)*cell_area(ngrid)*iim
72               
73      atmmasstot=  atmmasstot/(totarea+(iim-1)*(cell_area(1)+cell_area(ngrid)))
74      pstot=  pstot/(totarea+(iim-1)*(cell_area(1)+cell_area(ngrid)))
75      surfmasstot = surfmasstot/(totarea+(iim-1)*(cell_area(1)+cell_area(ngrid)))
76
77      totmass=surfmasstot+atmmasstot
78
79!      print*,'-------------------------------------------'
80!      print*,'Total mass surface : ',surfmasstot,' kg m-2'
81!      print*,'Total mass atmosphere :',atmmasstot,' kg m-2'
82!      print*,'Total mean pressure:',pstot,' Pa'
83      print*,'Total mass : ',surfmasstot+atmmasstot,' kg m-2'
84 
85
86      end subroutine testconservmass
87
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