/[MITgcm]/MITgcm_contrib/plumes/dyn2plume.F
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Annotation of /MITgcm_contrib/plumes/dyn2plume.F

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Revision 1.2 - (hide annotations) (download)
Tue May 25 18:08:50 2004 UTC (19 years, 11 months ago) by molod
Branch: MAIN
CVS Tags: HEAD
Changes since 1.1: +2 -2 lines
Add (correct) routine plume2dyn, add plume_tendency_apply

1 molod 1.1 subroutine dyn2plume(qdyn1,qdyn2,idim1,idim2,jdim1,jdim2,i1,i2,
2     . j1,j2,Lmdyn,Nsx,Nsy,bi,bj,flag,imout,Lmout,qplume)
3     C***********************************************************************
4     C Purpose:
5     C To interpolate an arbitrary quantity from the 'dynamics'
6     C grid to the higher resolution plumes grid
7     C Algorithm:
8     C Routine performs a direct copy of the field into all the
9     C values on the higher resolution grid.
10     C Dynamics -> Plumes retains the dynamics layer mean value.
11     C
12     C Input:
13     C qdyn1.... [im,jm,lmdyn,bi,bj] Arbitrary Quantity on Input Grid
14     C qdyn2.... [im,jm,lmdyn,bi,bj] Arbitrary Quantity on Input Grid
15     C idim1,2.. Limits for Longitude Dimension of Input
16     C jdim1,2.. Limits for Latitude Dimension of Input
17     C Lmdyn.... Vertical Dimension of Input
18     C Nsx...... Number of processes in x-direction
19     C Nsy...... Number of processes in y-direction
20     C bi....... Index of process number in x-direction
21     C bj....... Index of process number in x-direction
22 molod 1.2 C flag .... Flag to indicate vector (1) or scalar (0) interpolation
23 molod 1.1 C imout.... Number of points in x-direction to calculate
24     C Lmout.... Vertical Dimension of Output
25     C
26     C Output:
27 molod 1.2 C qplume... [idim2,jdim2,im,Lmout,Nsx] Field at output grid (plumes)
28 molod 1.1 C
29     C Notes:
30     C 1) This algorithm assumes that the output (plumes) grid boxes
31     C fit exactly into the input (dynamics) grid boxes
32     C 2) CAUTION! This routine, as currently written, assumes Lmdyn=Lmout
33     C***********************************************************************
34     implicit none
35    
36     integer imout, Lmdyn, Lmout, Nsx, Nsy
37     integer idim1, idim2, jdim1, jdim2, bi, bj, flag
38     integer i1, i2, j1, j2
39     real*4 qdyn1(idim1:idim2,jdim1:jdim2,Lmdyn,Nsx,Nsy)
40     real*4 qdyn2(idim1:idim2,jdim1:jdim2,Lmdyn,Nsx,Nsy)
41     real*4 qplume(i2,j2,imout,Lmout,Nsx)
42     real*4 qd
43    
44     integer i,ii,j,L,iiplume
45    
46     if(flag.eq.1) then
47     c do loop for all plumes (output) levels
48     do L = 1,Lmout
49     c do loop for all grid points
50     do j = j1,j2
51     do i = i1,i2
52     qd = sqrt(qdyn1(i,j,L,bi,bj)*qdyn1(i,j,L,bi,bj) +
53     . qdyn2(i,j,L,bi,bj)*qdyn2(i,j,L,bi,bj) )
54     c for U and V fields, assign the magnitude of the wind to all points
55     do iiplume = 1,imout
56     qplume(i,j,iiplume,L,bi) = qd
57     enddo
58     enddo
59     enddo
60     enddo
61     elseif(flag.eq.0) then
62     c do loop for all plumes (output) levels
63     do L = 1,Lmout
64     c do loop for all grid points
65     do j = j1,j2
66     do i = i1,i2
67     qd = qdyn1(i,j,L,bi,bj)
68     c for Temperature, just assign the Temp to all horiz points
69     do iiplume = 1,imout
70     qplume(i,j,iiplume,L,bi) = qd
71     enddo
72     enddo
73     enddo
74     enddo
75     endif
76    
77     return
78     end

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