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edhill |
1.6 |
C $Header: $ |
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C $Name: $ |
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molod |
1.1 |
subroutine phys2dyn(qphy,pephy,im1,im2,jm1,jm2,lmphy,Nsx,Nsy, |
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. idim1,idim2,jdim1,jdim2,bi,bj,pedyn,Lbot,lmdyn,nlperdyn,qdyn) |
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C*********************************************************************** |
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C Purpose: |
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C To interpolate an arbitrary quantity from the 'dynamics' eta (pstar) |
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C grid to the higher resolution physics grid |
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C Algorithm: |
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C Routine works one layer (edge to edge pressure) at a time. |
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C Physics -> Dynamics computes the physics layer mean value, |
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molod |
1.3 |
C weighted by dp**kappa (interp1) or by dp. |
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molod |
1.1 |
C |
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C Input: |
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C qphy..... [im,jm,lmphy] Arbitrary Quantity on Input Grid |
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C pephy.... [im,jm,lmphy+1] Pressures at bottom edges of input levels |
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C im1,2 ... Limits for Longitude Dimension of Input |
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C jm1,2 ... Limits for Latitude Dimension of Input |
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C lmphy.... Vertical Dimension of Input |
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C Nsx...... Number of processes in x-direction |
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C Nsy...... Number of processes in y-direction |
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C idim1,2.. Beginning and ending i-values to calculate |
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C jdim1,2.. Beginning and ending j-values to calculate |
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C bi....... Index of process number in x-direction |
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C bj....... Index of process number in x-direction |
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C pedyn.... [im,jm,lmdyn+1] Pressures at bottom edges of output levels |
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C lmdyn.... Vertical Dimension of Output |
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C nlperdyn. Mapping Array-Highest Physics level in each dynmics level |
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C |
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C Output: |
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C qdyn..... [im,jm,lmdyn] Quantity at output grid (physics grid) |
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C |
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C Notes: |
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C 1) This algorithm assumes that the output (physics) grid levels |
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C fit exactly into the input (dynamics) grid levels |
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C*********************************************************************** |
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implicit none |
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#include "CPP_OPTIONS.h" |
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integer im1, im2, jm1, jm2, lmdyn, lmphy, Nsx, Nsy |
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integer idim1, idim2, jdim1, jdim2, bi, bj |
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_RL qphy(im1:im2,jm1:jm2,lmphy,Nsx,Nsy) |
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_RL pedyn(im1:im2,jm1:jm2,lmdyn+1,Nsx,Nsy) |
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_RL pephy(im1:im2,jm1:jm2,lmphy+1,Nsx,Nsy) |
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integer nlperdyn(im1:im2,jm1:jm2,lmdyn,Nsx,Nsy) |
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_RL qdyn(im1:im2,jm1:jm2,lmdyn,Nsx,Nsy) |
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integer Lbot(im1:im2,jm1:jm2,Nsx,Nsy) |
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molod |
1.2 |
integer i,j,L,Lout1,Lout1p1,Lout2,Lphy |
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molod |
1.4 |
_RL getcon, kappa, dpkephy, dpkedyn, sum |
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molod |
1.1 |
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kappa = getcon('KAPPA') |
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molod |
1.4 |
c do loop for all dynamics (output) levels |
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do L = 1,lmdyn |
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molod |
1.1 |
c do loop for all grid points |
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molod |
1.4 |
do j = jdim1,jdim2 |
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do i = idim1,idim2 |
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molod |
1.1 |
qdyn(i,j,L,bi,bj) = 0. |
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c Check to make sure we are above ground - otherwise do nothing |
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if(L.ge.Lbot(i,j,bi,bj))then |
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if(L.eq.Lbot(i,j,bi,bj)) then |
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Lout1 = 0 |
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else |
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Lout1 = nlperdyn(i,j,L-1,bi,bj) |
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endif |
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Lout2 = nlperdyn(i,j,L,bi,bj) |
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c do loop for all physics levels contained in this dynamics level |
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molod |
1.3 |
cinterp1 dpkedyn = (pedyn(i,j,L,bi,bj)**kappa)- |
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cinterp1 (pedyn(i,j,L+1,bi,bj)**kappa) |
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dpkedyn = pedyn(i,j,L,bi,bj)-pedyn(i,j,L+1,bi,bj) |
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molod |
1.4 |
sum = 0. |
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molod |
1.2 |
Lout1p1 = Lout1+1 |
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do Lphy = Lout1p1,Lout2 |
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molod |
1.3 |
cinterp1 dpkephy = (pephy(i,j,Lphy,bi,bj)**kappa)- |
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cinterp1 (pephy(i,j,Lphy+1,bi,bj)**kappa) |
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dpkephy = pephy(i,j,Lphy,bi,bj)-pephy(i,j,Lphy+1,bi,bj) |
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molod |
1.4 |
sum=sum+qphy(i,j,Lphy,bi,bj)*(dpkephy/dpkedyn) |
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molod |
1.1 |
enddo |
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molod |
1.4 |
qdyn(i,j,L,bi,bj) = sum |
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molod |
1.1 |
endif |
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enddo |
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enddo |
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enddo |
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return |
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end |
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