/[lmdze]/trunk/dyn3d/exner_hyb.f
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trunk/libf/dyn3d/exner_hyb.f90 revision 64 by guez, Wed Aug 29 14:47:17 2012 UTC trunk/dyn3d/exner_hyb.f revision 107 by guez, Thu Sep 11 15:09:15 2014 UTC
# Line 6  contains Line 6  contains
6    
7    SUBROUTINE exner_hyb(ps, p, pks, pk, pkf)    SUBROUTINE exner_hyb(ps, p, pks, pk, pkf)
8    
9      ! From dyn3d/exner_hyb.F, version 1.1.1.1 2004/05/19 12:53:07      ! From dyn3d/exner_hyb.F, version 1.1.1.1, 2004/05/19 12:53:07
10      ! Authors: P. Le Van, F. Hourdin      ! Authors: P. Le Van, F. Hourdin
11    
12      ! Calcule la fonction d'Exner :      ! Calcule la fonction d'Exner :
# Line 28  contains Line 28  contains
28      ! haut des couches, "pk(:, :, l)" donné par la relation (2), pour      ! haut des couches, "pk(:, :, l)" donné par la relation (2), pour
29      ! l = 2 ŕ l = llm.      ! l = 2 ŕ l = llm.
30    
31      use dimens_m, only: iim, jjm, llm      use dimens_m, only: llm
32      use comconst, only: kappa, cpp      use comconst, only: kappa, cpp
33      use comvert, only: preff      use disvert_m, only: preff
     use comgeom, only: aire_2d, apoln, apols  
34      use filtreg_m, only: filtreg      use filtreg_m, only: filtreg
35    
36      REAL, intent(in):: ps(iim + 1, jjm + 1)      REAL, intent(in):: ps(:, :) ! (longitude, latitude)
37      REAL, intent(in):: p(iim + 1, jjm + 1, llm + 1)      REAL, intent(in):: p(:, :, :) ! (longitude, latitude, llm + 1)
38    
39      real, intent(out):: pks(iim + 1, jjm + 1)      real, intent(out):: pks(:, :) ! (longitude, latitude)
40      real, intent(out):: pk(iim + 1, jjm + 1, llm)      real, intent(out):: pk(:, :, :) ! (longitude, latitude, llm)
41      real, intent(out), optional:: pkf(iim + 1, jjm + 1, llm)      real, intent(out), optional:: pkf(:, :, :) ! (longitude, latitude, llm)
42    
43      ! Variables locales :      ! Variables locales :
44      real beta(iim + 1, jjm + 1, 2:llm)      real beta(size(ps, 1), size(ps, 2), 2:llm)
45      INTEGER l      INTEGER l
46      REAL unpl2k      REAL unpl2k
47    
48      !-------------------------------------      !-------------------------------------
49    
50      pks = cpp * (ps / preff)**kappa      pks = cpp * (ps / preff)**kappa
     pks(:, 1) = SUM(aire_2d(:iim, 1) * pks(:iim, 1)) / apoln  
     pks(:, jjm + 1) = SUM(aire_2d(:iim, jjm + 1) * pks(:iim, jjm + 1)) / apols  
51      unpl2k = 1. + 2 * kappa      unpl2k = 1. + 2 * kappa
52    
53      beta(:, :, llm) = 1. / unpl2k      beta(:, :, llm) = 1. / unpl2k
# Line 59  contains Line 56  contains
56              / (p(:, :, l) * unpl2k + p(:, :, l+1) * (beta(:, :, l+1) - unpl2k))              / (p(:, :, l) * unpl2k + p(:, :, l+1) * (beta(:, :, l+1) - unpl2k))
57      ENDDO      ENDDO
58    
59      pk(:, :, 1) = p(:, :, 1) * pks  &      pk(:, :, 1) = ps * pks &
60           / (p(:, :, 1) * (1. + kappa) &           / (ps * (1. + kappa) + 0.5 * (beta(:, :, 2) - unpl2k) * p(:, :, 2))
          + 0.5 * (beta(:, :, 2) - unpl2k) * p(:, :, 2))  
61      DO l = 2, llm      DO l = 2, llm
62         pk(:, :, l) = beta(:, :, l) * pk(:, :, l-1)         pk(:, :, l) = beta(:, :, l) * pk(:, :, l - 1)
63      ENDDO      ENDDO
64    
65      if (present(pkf)) then      if (present(pkf)) then
66         pkf = pk         pkf = pk
67         CALL filtreg(pkf, jjm + 1, llm, 2, 1, .TRUE.)         CALL filtreg(pkf, direct = .true., intensive = .true.)
68      end if      end if
69    
70    END SUBROUTINE exner_hyb    END SUBROUTINE exner_hyb
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