7 |
SUBROUTINE cv3_feed(len, nd, t, q, qs, p, ph, gz, nk, icb, icbmax, iflag, & |
SUBROUTINE cv3_feed(len, nd, t, q, qs, p, ph, gz, nk, icb, icbmax, iflag, & |
8 |
tnk, qnk, gznk, plcl) |
tnk, qnk, gznk, plcl) |
9 |
|
|
10 |
! Purpose: CONVECTIVE FEED |
! Purpose: convective feed |
11 |
|
|
12 |
! Main differences with cv_feed: |
! Main differences with cv_feed: |
13 |
! - ph added in input |
! - ph added in input |
14 |
! - here, nk(i)=minorig |
! - here, nk(i) = minorig |
15 |
! - icb defined differently (plcl compared with ph instead of p) |
! - icb defined differently (plcl compared with ph instead of p) |
16 |
|
|
17 |
! Main differences with convect3: |
use cv3_param_m, only: minorig, nl, nlm |
|
! - we do not compute dplcldt and dplcldr of CLIFT anymore |
|
|
! - values iflag different (but tests identical) |
|
|
! - A, B explicitely defined (!) |
|
18 |
|
|
|
use cv3_param_m |
|
|
|
|
|
! inputs: |
|
19 |
integer, intent(in):: len, nd |
integer, intent(in):: len, nd |
20 |
real, intent(in):: t(len, nd) |
real, intent(in):: t(len, nd) |
21 |
real, intent(in):: q(len, nd), qs(len, nd), p(len, nd) |
real, intent(in):: q(len, nd), qs(len, nd), p(len, nd) |
|
real gz(len, nd) |
|
22 |
real, intent(in):: ph(len, nd+1) |
real, intent(in):: ph(len, nd+1) |
23 |
|
real, intent(in):: gz(len, nd) |
24 |
|
|
25 |
! outputs: |
! outputs: |
|
integer iflag(len) |
|
26 |
integer, intent(out):: nk(len), icb(len), icbmax |
integer, intent(out):: nk(len), icb(len), icbmax |
27 |
real tnk(len), qnk(len), gznk(len), plcl(len) |
integer, intent(inout):: iflag(len) |
28 |
|
real tnk(len), qnk(len), gznk(len) |
29 |
|
real, intent(out):: plcl(len) |
30 |
|
|
31 |
! local variables: |
! Local: |
32 |
integer i, k |
integer i, k |
33 |
real pnk(len), qsnk(len), rh(len), chi(len) |
real pnk(len), qsnk(len), rh(len), chi(len) |
34 |
real A, B ! convect3 |
real, parameter:: A = 1669., B = 122. |
35 |
|
|
36 |
!-------------------------------------------------------------------- |
!-------------------------------------------------------------------- |
37 |
|
|
38 |
plcl=0.0 |
plcl = 0. |
39 |
|
|
40 |
! --- Origin level of ascending parcels for convect3: |
! Origin level of ascending parcels |
41 |
|
|
42 |
do i=1, len |
do i = 1, len |
43 |
nk(i)=minorig |
nk(i) = minorig |
44 |
end do |
end do |
45 |
|
|
46 |
! --- Check whether parcel level temperature and specific humidity |
! Check whether parcel level temperature and specific humidity |
47 |
! --- are reasonable |
! are reasonable |
48 |
|
|
49 |
do i=1, len |
do i = 1, len |
50 |
if ((t(i, nk(i)) < 250. .or. q(i, nk(i)) <= 0.) .and. iflag(i) == 0) & |
if ((t(i, nk(i)) < 250. .or. q(i, nk(i)) <= 0.) .and. iflag(i) == 0) & |
51 |
iflag(i)=7 |
iflag(i) = 7 |
52 |
end do |
end do |
53 |
|
|
54 |
! --- Calculate lifted condensation level of air at parcel origin level |
! Calculate lifted condensation level of air at parcel origin level |
55 |
! --- (Within 0.2% of formula of Bolton, MON. WEA. REV., 1980) |
! (within 0.2% of formula of Bolton, Mon. Wea. Rev., 1980) |
|
|
|
|
A = 1669.0 ! convect3 |
|
|
B = 122.0 ! convect3 |
|
56 |
|
|
57 |
do i=1, len |
do i = 1, len |
58 |
if (iflag(i).ne.7) then |
if (iflag(i) /= 7) then |
59 |
tnk(i)=t(i, nk(i)) |
tnk(i) = t(i, nk(i)) |
60 |
qnk(i)=q(i, nk(i)) |
qnk(i) = q(i, nk(i)) |
61 |
gznk(i)=gz(i, nk(i)) |
gznk(i) = gz(i, nk(i)) |
62 |
pnk(i)=p(i, nk(i)) |
pnk(i) = p(i, nk(i)) |
63 |
qsnk(i)=qs(i, nk(i)) |
qsnk(i) = qs(i, nk(i)) |
64 |
|
|
65 |
rh(i)=qnk(i)/qsnk(i) |
rh(i) = qnk(i)/qsnk(i) |
66 |
chi(i)=tnk(i)/(A-B*rh(i)-tnk(i)) ! convect3 |
chi(i) = tnk(i)/(A-B*rh(i)-tnk(i)) |
67 |
plcl(i)=pnk(i)*(rh(i)**chi(i)) |
plcl(i) = pnk(i)*(rh(i)**chi(i)) |
68 |
if ((plcl(i) < 200. .or. plcl(i) >= 2000.) .and. iflag(i) == 0) & |
if ((plcl(i) < 200. .or. plcl(i) >= 2000.) .and. iflag(i) == 0) & |
69 |
iflag(i) = 8 |
iflag(i) = 8 |
70 |
endif |
endif |
71 |
end do |
end do |
72 |
|
|
73 |
! --- Calculate first level above lcl (=icb) |
! Calculate first level above lcl (= icb) |
74 |
|
|
75 |
do i=1, len |
do i = 1, len |
76 |
icb(i)=nlm |
icb(i) = nlm |
77 |
end do |
end do |
78 |
|
|
79 |
! la modification consiste a comparer plcl a ph et non a p: |
! La modification consiste \`a comparer plcl \`a ph et non \`a p: |
80 |
! icb est defini par : ph(icb) < plcl < ph(icb - 1) |
! icb est d\'efini par : ph(icb) < plcl < ph(icb - 1) |
81 |
do k=3, nl-1 ! modification pour que icb soit supérieur ou égal à 2 |
do k = 3, nl-1 ! modification pour que icb soit supérieur ou égal à 2 |
82 |
do i=1, len |
do i = 1, len |
83 |
if(ph(i, k) < plcl(i)) icb(i) = min(icb(i), k) |
if (ph(i, k) < plcl(i)) icb(i) = min(icb(i), k) |
84 |
end do |
end do |
85 |
end do |
end do |
86 |
|
|
87 |
do i=1, len |
do i = 1, len |
88 |
if((icb(i) == nlm).and.(iflag(i) == 0))iflag(i)=9 |
if ((icb(i) == nlm).and.(iflag(i) == 0)) iflag(i) = 9 |
89 |
end do |
end do |
90 |
|
|
91 |
do i=1, len |
do i = 1, len |
92 |
icb(i) = icb(i)-1 ! icb sup ou egal a 2 |
icb(i) = icb(i)-1 ! icb >= 2 |
93 |
end do |
end do |
94 |
|
|
95 |
! Compute icbmax. |
! Compute icbmax |
96 |
|
|
97 |
|
icbmax = 2 |
98 |
|
|
99 |
icbmax=2 |
do i = 1, len |
100 |
do i=1, len |
if (iflag(i) < 7) icbmax = max(icbmax, icb(i)) |
|
if (iflag(i) < 7) icbmax=max(icbmax, icb(i)) ! sb Jun7th02 |
|
101 |
end do |
end do |
102 |
|
|
103 |
end SUBROUTINE cv3_feed |
end SUBROUTINE cv3_feed |