10.4.1_peseiGFS_025bugfixes+enhancementsdevrelease-10release-10.4.1scaling-bug
Last change
on this file was
92fab65,
checked in by Ignacio Pisso <ip@…>, 4 years ago
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add SPDX-License-Identifier to all .f90 files
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Property mode set to
100644
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File size:
2.3 KB
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Rev | Line | |
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[92fab65] | 1 | ! SPDX-FileCopyrightText: FLEXPART 1998-2019, see flexpart_license.txt |
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| 2 | ! SPDX-License-Identifier: GPL-3.0-or-later |
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[332fbbd] | 3 | |
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[e200b7a] | 4 | subroutine shift_field_0(field,nxf,nyf) |
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| 5 | ! i/o i i |
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| 6 | !***************************************************************************** |
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| 7 | ! * |
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| 8 | ! This subroutine shifts global fields by nxshift grid cells, in order to * |
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| 9 | ! facilitate all sorts of nested wind fields, or output grids, which, * |
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| 10 | ! without shifting, would overlap with the domain "boundary". * |
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| 11 | ! * |
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| 12 | ! Author: A. Stohl * |
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| 13 | ! * |
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| 14 | ! 3 July 2002 * |
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| 15 | ! * |
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| 16 | !***************************************************************************** |
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| 17 | ! * |
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| 18 | ! Variables: * |
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| 19 | ! * |
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| 20 | ! Constants: * |
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| 21 | ! * |
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| 22 | !***************************************************************************** |
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| 23 | |
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| 24 | use par_mod |
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| 25 | |
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| 26 | implicit none |
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| 27 | |
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| 28 | integer :: nxf,nyf,ix,jy,ixs |
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| 29 | real :: field(0:nxmax-1,0:nymax-1),xshiftaux(0:nxmax-1) |
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| 30 | |
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| 31 | ! Loop over y and z |
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| 32 | !****************** |
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| 33 | |
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| 34 | do jy=0,nyf-1 |
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| 35 | |
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| 36 | ! Shift the data |
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| 37 | !*************** |
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| 38 | |
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| 39 | if (nxshift.ne.0) then |
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| 40 | do ix=0,nxf-1 |
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| 41 | if (ix.ge.nxshift) then |
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| 42 | ixs=ix-nxshift |
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| 43 | else |
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| 44 | ixs=nxf-nxshift+ix |
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| 45 | endif |
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| 46 | xshiftaux(ixs)=field(ix,jy) |
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| 47 | end do |
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| 48 | do ix=0,nxf-1 |
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| 49 | field(ix,jy)=xshiftaux(ix) |
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| 50 | end do |
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| 51 | endif |
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| 52 | |
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| 53 | ! Repeat the westernmost grid cells at the easternmost domain "boundary" |
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| 54 | !*********************************************************************** |
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| 55 | |
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| 56 | field(nxf,jy)=field(0,jy) |
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| 57 | end do |
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| 58 | |
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| 59 | return |
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| 60 | end subroutine shift_field_0 |
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