!-------------------------------------- LICENCE BEGIN ------------------------------------
!Environment Canada - Atmospheric Science and Technology License/Disclaimer,
! version 3; Last Modified: May 7, 2008.
!This is free but copyrighted software; you can use/redistribute/modify it under the terms
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!See the above mentioned License/Disclaimer for more details.
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***s/r wndth - Compute an average wind valid at time t0-dt/2 (th)
*
#include "model_macros_f.h"
*
subroutine wndth 1,5
*
#include "impnone.cdk"
*
*author
* Michel Roch - rpn - oct 1993
*
*revision
* v2_00 - Desgagne M. - initial MPI version
* v3_20 - Tanguay M. - 1d higher order diffusion operator
*
*object
*
*arguments
* none
*
*implicits
#include "glb_ld.cdk"
#include "lun.cdk"
#include "vt0.cdk"
#include "vth.cdk"
#include "vt1.cdk"
#include "hzd.cdk"
*
*modules
integer vmmlod,vmmget,vmmuld
external vmmlod,vmmget,vmmuld
*
integer pnerr, pnlkey1(12), i, j, k
**
* ---------------------------------------------------------------
*
pnlkey1(1) = VMM_KEY(uth)
pnlkey1(2) = VMM_KEY(ut1)
pnlkey1(3) = VMM_KEY(ut0)
pnlkey1(4) = VMM_KEY(vth)
pnlkey1(5) = VMM_KEY(vt1)
pnlkey1(6) = VMM_KEY(vt0)
pnlkey1(7) = VMM_KEY(psdth)
pnlkey1(8) = VMM_KEY(psdt1)
pnlkey1(9) = VMM_KEY(psdt0)
*
pnerr = vmmlod(pnlkey1,9)
pnerr = VMM_GET_VAR(psdth)
pnerr = VMM_GET_VAR(psdt1)
pnerr = VMM_GET_VAR(psdt0)
pnerr = VMM_GET_VAR(uth)
pnerr = VMM_GET_VAR(vth)
pnerr = VMM_GET_VAR(ut1)
pnerr = VMM_GET_VAR(vt1)
pnerr = VMM_GET_VAR(ut0)
pnerr = VMM_GET_VAR(vt0)
*
* Filtering
* ---------
call tmg_start0 ( 12, 'HZD1D ' )
if (Hzd_t0_0_L) call hzd_hoffld (ut0, LDIST_DIM, G_nk, 1)
if (Hzd_t0_0_L) call hzd_hoffld (vt0, LDIST_DIM, G_nk, 2)
if (Hzd_t0_0_L) call hzd_hoffld (psdt0, LDIST_DIM, G_nk, 3)
call tmg_stop0 (12)
*
*C 1. Perform the averaging
* ---------------------
*
do k=1,l_nk
do j= 1+pil_s, l_nj-pil_n
do i= 1+pil_w, l_ni-pil_e
uth(i,j,k) = 0.5 * ut0(i,j,k) + 0.5 * ut1(i,j,k)
psdth(i,j,k) = 0.5 * psdt0(i,j,k) + 0.5 * psdt1(i,j,k)
end do
end do
do j= 1+pil_s, l_njv-pil_n
do i= 1+pil_w, l_ni-pil_e
vth(i,j,k) = 0.5 * vt0(i,j,k) + 0.5 * vt1(i,j,k)
end do
end do
end do
*
pnerr = vmmuld(-1,0)
*
* ---------------------------------------------------------------
*
1000 format(
+/ /,'AVERAGE WINDS t0-dt/2 (th): (S/R WNDTH)',
+ /,'========================================',
+/ /)
return
end