1 | subroutine interpol_misslev_nests(n) |
---|
2 | ! i |
---|
3 | !***************************************************************************** |
---|
4 | ! * |
---|
5 | ! This subroutine interpolates u,v,w, density and density gradients. * |
---|
6 | ! * |
---|
7 | ! Author: A. Stohl * |
---|
8 | ! * |
---|
9 | ! 16 December 1997 * |
---|
10 | ! * |
---|
11 | !***************************************************************************** |
---|
12 | ! * |
---|
13 | ! Variables: * |
---|
14 | ! n level * |
---|
15 | ! * |
---|
16 | ! Constants: * |
---|
17 | ! * |
---|
18 | !***************************************************************************** |
---|
19 | |
---|
20 | use par_mod |
---|
21 | use com_mod |
---|
22 | use interpol_mod |
---|
23 | use hanna_mod |
---|
24 | |
---|
25 | implicit none |
---|
26 | |
---|
27 | ! Auxiliary variables needed for interpolation |
---|
28 | real :: y1(2),y2(2),y3(2),rho1(2),rhograd1(2) |
---|
29 | real :: usl,vsl,wsl,usq,vsq,wsq,xaux |
---|
30 | integer :: m,n,indexh |
---|
31 | real,parameter :: eps=1.0e-30 |
---|
32 | |
---|
33 | |
---|
34 | !******************************************** |
---|
35 | ! Multilinear interpolation in time and space |
---|
36 | !******************************************** |
---|
37 | |
---|
38 | |
---|
39 | !************************************** |
---|
40 | ! 1.) Bilinear horizontal interpolation |
---|
41 | ! 2.) Temporal interpolation (linear) |
---|
42 | !************************************** |
---|
43 | |
---|
44 | ! Loop over 2 time steps |
---|
45 | !*********************** |
---|
46 | |
---|
47 | usl=0. |
---|
48 | vsl=0. |
---|
49 | wsl=0. |
---|
50 | usq=0. |
---|
51 | vsq=0. |
---|
52 | wsq=0. |
---|
53 | do m=1,2 |
---|
54 | indexh=memind(m) |
---|
55 | y1(m)=p1*uun(ix ,jy ,n,indexh,ngrid) & |
---|
56 | +p2*uun(ixp,jy ,n,indexh,ngrid) & |
---|
57 | +p3*uun(ix ,jyp,n,indexh,ngrid) & |
---|
58 | +p4*uun(ixp,jyp,n,indexh,ngrid) |
---|
59 | y2(m)=p1*vvn(ix ,jy ,n,indexh,ngrid) & |
---|
60 | +p2*vvn(ixp,jy ,n,indexh,ngrid) & |
---|
61 | +p3*vvn(ix ,jyp,n,indexh,ngrid) & |
---|
62 | +p4*vvn(ixp,jyp,n,indexh,ngrid) |
---|
63 | y3(m)=p1*wwn(ix ,jy ,n,indexh,ngrid) & |
---|
64 | +p2*wwn(ixp,jy ,n,indexh,ngrid) & |
---|
65 | +p3*wwn(ix ,jyp,n,indexh,ngrid) & |
---|
66 | +p4*wwn(ixp,jyp,n,indexh,ngrid) |
---|
67 | rho1(m)=p1*rhon(ix ,jy ,n,indexh,ngrid) & |
---|
68 | +p2*rhon(ixp,jy ,n,indexh,ngrid) & |
---|
69 | +p3*rhon(ix ,jyp,n,indexh,ngrid) & |
---|
70 | +p4*rhon(ixp,jyp,n,indexh,ngrid) |
---|
71 | rhograd1(m)=p1*drhodzn(ix ,jy ,n,indexh,ngrid) & |
---|
72 | +p2*drhodzn(ixp,jy ,n,indexh,ngrid) & |
---|
73 | +p3*drhodzn(ix ,jyp,n,indexh,ngrid) & |
---|
74 | +p4*drhodzn(ixp,jyp,n,indexh,ngrid) |
---|
75 | |
---|
76 | usl=usl+uun(ix ,jy ,n,indexh,ngrid)+uun(ixp,jy ,n,indexh,ngrid) & |
---|
77 | +uun(ix ,jyp,n,indexh,ngrid)+uun(ixp,jyp,n,indexh,ngrid) |
---|
78 | vsl=vsl+vvn(ix ,jy ,n,indexh,ngrid)+vvn(ixp,jy ,n,indexh,ngrid) & |
---|
79 | +vvn(ix ,jyp,n,indexh,ngrid)+vvn(ixp,jyp,n,indexh,ngrid) |
---|
80 | wsl=wsl+wwn(ix ,jy ,n,indexh,ngrid)+wwn(ixp,jy ,n,indexh,ngrid) & |
---|
81 | +wwn(ix ,jyp,n,indexh,ngrid)+wwn(ixp,jyp,n,indexh,ngrid) |
---|
82 | |
---|
83 | usq=usq+uun(ix ,jy ,n,indexh,ngrid)*uun(ix ,jy ,n,indexh,ngrid)+ & |
---|
84 | uun(ixp,jy ,n,indexh,ngrid)*uun(ixp,jy ,n,indexh,ngrid)+ & |
---|
85 | uun(ix ,jyp,n,indexh,ngrid)*uun(ix ,jyp,n,indexh,ngrid)+ & |
---|
86 | uun(ixp,jyp,n,indexh,ngrid)*uun(ixp,jyp,n,indexh,ngrid) |
---|
87 | vsq=vsq+vvn(ix ,jy ,n,indexh,ngrid)*vvn(ix ,jy ,n,indexh,ngrid)+ & |
---|
88 | vvn(ixp,jy ,n,indexh,ngrid)*vvn(ixp,jy ,n,indexh,ngrid)+ & |
---|
89 | vvn(ix ,jyp,n,indexh,ngrid)*vvn(ix ,jyp,n,indexh,ngrid)+ & |
---|
90 | vvn(ixp,jyp,n,indexh,ngrid)*vvn(ixp,jyp,n,indexh,ngrid) |
---|
91 | wsq=wsq+wwn(ix ,jy ,n,indexh,ngrid)*wwn(ix ,jy ,n,indexh,ngrid)+ & |
---|
92 | wwn(ixp,jy ,n,indexh,ngrid)*wwn(ixp,jy ,n,indexh,ngrid)+ & |
---|
93 | wwn(ix ,jyp,n,indexh,ngrid)*wwn(ix ,jyp,n,indexh,ngrid)+ & |
---|
94 | wwn(ixp,jyp,n,indexh,ngrid)*wwn(ixp,jyp,n,indexh,ngrid) |
---|
95 | end do |
---|
96 | uprof(n)=(y1(1)*dt2+y1(2)*dt1)*dtt |
---|
97 | vprof(n)=(y2(1)*dt2+y2(2)*dt1)*dtt |
---|
98 | wprof(n)=(y3(1)*dt2+y3(2)*dt1)*dtt |
---|
99 | rhoprof(n)=(rho1(1)*dt2+rho1(2)*dt1)*dtt |
---|
100 | rhogradprof(n)=(rhograd1(1)*dt2+rhograd1(2)*dt1)*dtt |
---|
101 | indzindicator(n)=.false. |
---|
102 | |
---|
103 | ! Compute standard deviations |
---|
104 | !**************************** |
---|
105 | |
---|
106 | xaux=usq-usl*usl/8. |
---|
107 | if (xaux.lt.eps) then |
---|
108 | usigprof(n)=0. |
---|
109 | else |
---|
110 | usigprof(n)=sqrt(xaux/7.) |
---|
111 | endif |
---|
112 | |
---|
113 | xaux=vsq-vsl*vsl/8. |
---|
114 | if (xaux.lt.eps) then |
---|
115 | vsigprof(n)=0. |
---|
116 | else |
---|
117 | vsigprof(n)=sqrt(xaux/7.) |
---|
118 | endif |
---|
119 | |
---|
120 | |
---|
121 | xaux=wsq-wsl*wsl/8. |
---|
122 | if (xaux.lt.eps) then |
---|
123 | wsigprof(n)=0. |
---|
124 | else |
---|
125 | wsigprof(n)=sqrt(xaux/7.) |
---|
126 | endif |
---|
127 | |
---|
128 | end subroutine interpol_misslev_nests |
---|