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molod |
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C $Header: /u/gcmpack/MITgcm/pkg/fizhi/fizhi_init_vars-fake.F,v 1.4 2004/05/05 00:39:21 edhill Exp $ |
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C $Name: $ |
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subroutine fizhi_init_vars (myThid) |
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c----------------------------------------------------------------------- |
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c Routine to initialise the fizhi state. |
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c |
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c Input: myThid - Process number calling this routine |
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c |
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c Notes: |
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c 1) For a Cold Start - |
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c This routine takes the initial condition on the dynamics grid |
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c and interpolates to the physics grid to initialize the state |
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c variables that are on both grids. It initializes the variables |
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c of the turbulence scheme to 0., and the land state from a model |
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c climatology. |
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c 2) For a Restart, read the fizhi pickup file |
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c 3) The velocity component physics fields are on an A-Grid |
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c |
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c Calls: dyn2phys (x4) |
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c----------------------------------------------------------------------- |
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implicit none |
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#include "CPP_OPTIONS.h" |
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#include "SIZE.h" |
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#include "fizhi_SIZE.h" |
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#include "land_SIZE.h" |
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#include "GRID.h" |
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#include "DYNVARS.h" |
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#include "gridalt_mapping.h" |
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#include "fizhi_coms.h" |
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#include "land_coms.h" |
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#include "EEPARAMS.h" |
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#include "SURFACE.h" |
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#include "PARAMS.h" |
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integer myThid |
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c pe on dynamics and physics grid refers to bottom edge |
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_RL pephy(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nrphys+1,nSx,nSy) |
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_RL pedyn(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr+1,nSx,nSy) |
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_RL windphy(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nrphys,nSx,nSy) |
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_RL udyntemp(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL vdyntemp(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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integer i, j, L, bi, bj, Lbotij |
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integer im1, im2, jm1, jm2, idim1, idim2, jdim1, jdim2 |
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im1 = 1-OLx |
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im2 = sNx+OLx |
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jm1 = 1-OLy |
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jm2 = sNy+OLy |
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idim1 = 1 |
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idim2 = sNx |
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jdim1 = 1 |
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jdim2 = sNy |
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IF ( startTime.EQ.0. .AND. nIter0.EQ.0 ) THEN |
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print *,' In fizhi_init_vars: Cold start ' |
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do bj = myByLo(myThid), myByHi(myThid) |
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do bi = myBxLo(myThid), myBxHi(myThid) |
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C Build pressures on dynamics grid |
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do j = 1,sNy |
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do i = 1,sNx |
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do L = 1,Nr |
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pedyn(i,j,L,bi,bj) = 0. |
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enddo |
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enddo |
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enddo |
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do j = 1,sNy |
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do i = 1,sNx |
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Lbotij = ksurfC(i,j,bi,bj) |
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if(Lbotij.ne.0.) |
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. pedyn(i,j,Lbotij,bi,bj) = Ro_surf(i,j,bi,bj) + etaH(i,j,bi,bj) |
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enddo |
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enddo |
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do j = 1,sNy |
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do i = 1,sNx |
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Lbotij = ksurfC(i,j,bi,bj) |
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do L = Lbotij+1,Nr+1 |
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pedyn(i,j,L,bi,bj) = pedyn(i,j,L-1,bi,bj) - |
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. drF(L-1)*hfacC(i,j,L-1,bi,bj) |
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enddo |
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c Do not use a zero field as the top edge pressure for interpolation |
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if(pedyn(i,j,Nr+1,bi,bj).lt.1.e-5) |
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. pedyn(i,j,Nr+1,bi,bj) = 1.e-5 |
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enddo |
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enddo |
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C Build pressures on physics grid |
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do j = 1,sNy |
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do i = 1,sNx |
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pephy(i,j,1,bi,bj)=Ro_surf(i,j,bi,bj) + etaH(i,j,bi,bj) |
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do L = 2,Nrphys+1 |
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pephy(i,j,L,bi,bj)=pephy(i,j,L-1,bi,bj)-dpphys0(i,j,L-1,bi,bj) |
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enddo |
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c Do not use a zero field as the top edge pressure for interpolation |
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if(pephy(i,j,Nrphys+1,bi,bj).lt.1.e-5) |
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. pephy(i,j,Nrphys+1,bi,bj) = 1.e-5 |
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enddo |
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enddo |
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c |
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c Create an initial wind magnitude field on the physics grid - |
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c Use a log wind law with z0=1cm, u*=1 cm/sec, |
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c do units and get u = .025*ln(dP*10), with dP in pa. |
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do L = 1,Nrphys |
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do j = 1,sNy |
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do i = 1,sNx |
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windphy(i,j,L,bi,bj) = 0.025 * |
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. log((pephy(i,j,1,bi,bj)-pephy(i,j,L+1,bi,bj))*10.) |
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enddo |
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enddo |
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enddo |
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enddo |
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enddo |
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c Create initial fields on phys. grid - Move Dynamics u and v to A-Grid |
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call CtoA(myThid,uvel,vvel,maskW,maskS,im1,im2,jm1,jm2,Nr, |
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. Nsx,Nsy,1,sNx,1,sNy,udyntemp,vdyntemp) |
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do bj = myByLo(myThid), myByHi(myThid) |
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do bi = myBxLo(myThid), myBxHi(myThid) |
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c Create initial fields on phys. grid - interpolate from dyn. grid |
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call dyn2phys(udyntemp,pedyn,im1,im2,jm1,jm2,Nr,Nsx,Nsy, |
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. 1,sNx,1,sNy,bi,bj,windphy,pephy,ksurfC,Nrphys,nlperdyn,1,uphy) |
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call dyn2phys(vdyntemp,pedyn,im1,im2,jm1,jm2,Nr,Nsx,Nsy, |
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. 1,sNx,1,sNy,bi,bj,windphy,pephy,ksurfC,Nrphys,nlperdyn,1,vphy) |
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call dyn2phys(theta,pedyn,im1,im2,jm1,jm2,Nr,Nsx,Nsy, |
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. 1,sNx,1,sNy,bi,bj,windphy,pephy,ksurfC,Nrphys,nlperdyn,0,thphy) |
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call dyn2phys(salt,pedyn,im1,im2,jm1,jm2,Nr,Nsx,Nsy, |
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. 1,sNx,1,sNy,bi,bj,windphy,pephy,ksurfC,Nrphys,nlperdyn,0,sphy) |
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c Now initialize tke, xlmt, khmt, xxmt, yymt, ctmt, zetamt, |
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c Now initialize land state too - tcanopy, etc... |
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do L = 1,Nrphys |
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do i = 1,nchp |
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tke(i,L,bi,bj) = 0. |
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xlmt(i,L,bi,bj) = 0. |
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khmt(i,L,bi,bj) = 0. |
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enddo |
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enddo |
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c Now initialize land state too - tcanopy, etc... ZERO FOR NOW, |
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c READ CLIM FOR REAL |
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do i = 1,nchp |
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tcanopy(i) = 0. |
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tdeep(i) = 0. |
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ecanopy(i) = 0. |
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swetshal(i) = 0. |
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swetroot(i) = 0. |
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swetdeep(i) = 0. |
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capac(i) = 0. |
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snodep(i) = 0. |
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enddo |
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enddo |
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enddo |
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ELSE |
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print *,' In fizhi_init_vars: Read from restart ' |
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C-- Read fizhi package state variables from pickup file |
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call fizhi_read_pickup( nIter0, myThid ) |
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ENDIF |
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return |
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end |
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