/[lmdze]/trunk/Sources/phylmd/CV30_routines/cv30_feed.f
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revision 195 by guez, Wed May 18 17:56:44 2016 UTC revision 198 by guez, Tue May 31 16:17:35 2016 UTC
# Line 4  module cv30_feed_m Line 4  module cv30_feed_m
4    
5  contains  contains
6    
7    SUBROUTINE cv30_feed(t1, q1, qs1, p1, ph1, gz1, nk1, icb1, icbmax, iflag1, &    SUBROUTINE cv30_feed(t1, q1, qs1, p1, ph1, gz1, icb1, iflag1, tnk1, qnk1, &
8         tnk1, qnk1, gznk1, plcl1)         gznk1, plcl1)
9    
10      ! Purpose: convective feed      ! Purpose: convective feed
11        ! Assuming origin level of ascending parcels is minorig.
12    
13      use cv30_param_m, only: minorig, nl      use cv30_param_m, only: minorig, nl
14      USE dimphy, ONLY: klev, klon      USE dimphy, ONLY: klev, klon
# Line 19  contains Line 20  contains
20      real, intent(in):: gz1(:, :) ! (klon, klev)      real, intent(in):: gz1(:, :) ! (klon, klev)
21    
22      ! outputs:      ! outputs:
23      integer, intent(out):: nk1(:), icb1(:) ! (klon)  
24      integer, intent(out):: icbmax      integer, intent(out):: icb1(:) ! (klon)
25      integer, intent(inout):: iflag1(klon)      ! first level above lcl, 2 <= icb1 <= nl - 2
26      real tnk1(klon), qnk1(klon), gznk1(klon)  
27        integer, intent(out):: iflag1(:) ! (klon)
28        real tnk1(:), qnk1(:), gznk1(:) ! (klon)
29      real, intent(out):: plcl1(klon)      real, intent(out):: plcl1(klon)
30    
31      ! Local:      ! Local:
32      integer i      integer i
33      real pnk(klon), qsnk(klon), rh(klon), chi(klon)      real qsnk(klon), rh(klon), chi(klon)
34      real, parameter:: A = 1669., B = 122.      real, parameter:: A = 1669., B = 122.
35    
36      !--------------------------------------------------------------------      !--------------------------------------------------------------------
37    
38        iflag1 = 0
39      plcl1 = 0.      plcl1 = 0.
40    
     ! Origin level of ascending parcels  
     nk1 = minorig  
   
41      ! Check whether parcel level temperature and specific humidity      ! Check whether parcel level temperature and specific humidity
42      ! are reasonable      ! are reasonable
   
43      do i = 1, klon      do i = 1, klon
44         if (t1(i, nk1(i)) < 250. .or. q1(i, nk1(i)) <= 0.) iflag1(i) = 7         if (t1(i, minorig) < 250. .or. q1(i, minorig) <= 0.) iflag1(i) = 7
45      end do      end do
46    
47      ! Calculate lifted condensation level of air at parcel origin level      ! Calculate lifted condensation level of air at parcel origin level
48      ! (within 0.2 % of formula of Bolton, Mon. Wea. Rev., 1980)      ! (within 0.2 % of formula of Bolton, Mon. Wea. Rev., 1980)
   
49      do i = 1, klon      do i = 1, klon
50         if (iflag1(i) /= 7) then         if (iflag1(i) == 0) then
51            tnk1(i) = t1(i, nk1(i))            tnk1(i) = t1(i, minorig)
52            qnk1(i) = q1(i, nk1(i))            qnk1(i) = q1(i, minorig)
53            gznk1(i) = gz1(i, nk1(i))            gznk1(i) = gz1(i, minorig)
54            pnk(i) = p1(i, nk1(i))            qsnk(i) = qs1(i, minorig)
           qsnk(i) = qs1(i, nk1(i))  
55    
56            rh(i) = qnk1(i) / qsnk(i)            rh(i) = qnk1(i) / qsnk(i)
57            chi(i) = tnk1(i) / (A - B*rh(i) - tnk1(i))            chi(i) = tnk1(i) / (A - B * rh(i) - tnk1(i))
58            plcl1(i) = pnk(i)*(rh(i)**chi(i))            plcl1(i) = p1(i, minorig) * (rh(i)**chi(i))
59            if ((plcl1(i) < 200. .or. plcl1(i) >= 2000.) .and. iflag1(i) == 0) &            if (plcl1(i) < 200. .or. plcl1(i) >= 2000.) iflag1(i) = 8
                iflag1(i) = 8  
60         endif         endif
61      end do      end do
62    
63      ! Calculate first level above lcl (= icb1)      ! Compute icb1:
   
64      do i = 1, klon      do i = 1, klon
65         if (plcl1(i) <= ph1(i, nl - 2)) then         if (plcl1(i) <= ph1(i, nl - 2)) then
66            ! Distinguish this case just so that icb1 = nl - 2, not nl =            ! Distinguish this case just so that icb1 = nl - 2, not nl =
# Line 73  contains Line 69  contains
69         else         else
70            icb1(i) = locate(- ph1(i, 3:nl - 2), - plcl1(i), my_lbound = 3)            icb1(i) = locate(- ph1(i, 3:nl - 2), - plcl1(i), my_lbound = 3)
71            ! {2 <= icb1(i) <= nl - 3}            ! {2 <= icb1(i) <= nl - 3}
72            ! {ph1(i, icb1(i) + 1) < plcl1(i) <= ph1(i, icb1(i))}            ! {ph1(i, icb1(i) + 1) < plcl1(i)}
73              ! {plcl1(i) <= ph1(i, icb1(i)) or icb1(i) == 2}
74         end if         end if
75      end do      end do
76    
77      do i = 1, klon      where (icb1 == nl - 2 .and. iflag1 == 0) iflag1 = 9
        if ((icb1(i) == nl - 2).and.(iflag1(i) == 0)) iflag1(i) = 9  
     end do  
   
     ! Compute icbmax  
78    
79      icbmax = 2      ! {(2 <= icb1(i) <= nl - 3 and ph1(i, icb1(i) + 1) < plcl1(i) and
80        ! (plcl1(i) <= ph1(i, icb1(i)) or icb1(i) == 2)) or iflag1(i) /=
81      do i = 1, klon      ! 0}
        if (iflag1(i) < 7) icbmax = max(icbmax, icb1(i))  
     end do  
82    
83    end SUBROUTINE cv30_feed    end SUBROUTINE cv30_feed
84    
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