[911] | 1 | MODULE bdytra |
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[1125] | 2 | !!====================================================================== |
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[911] | 3 | !! *** MODULE bdytra *** |
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| 4 | !! Ocean tracers: Flow Relaxation Scheme of tracers on each open boundary |
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[1125] | 5 | !!====================================================================== |
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| 6 | !! History : 1.0 ! 2005-01 (J. Chanut, A. Sellar) Original code |
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| 7 | !! 3.0 ! 2008-04 (NEMO team) add in the reference version |
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| 8 | !!---------------------------------------------------------------------- |
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[911] | 9 | #if defined key_bdy |
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[1125] | 10 | !!---------------------------------------------------------------------- |
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| 11 | !! 'key_bdy' Unstructured Open Boundary Conditions |
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| 12 | !!---------------------------------------------------------------------- |
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[2528] | 13 | !! bdy_tra_frs : Relaxation of tracers on unstructured open boundaries |
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[1125] | 14 | !!---------------------------------------------------------------------- |
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[911] | 15 | USE oce ! ocean dynamics and tracers variables |
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| 16 | USE dom_oce ! ocean space and time domain variables |
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| 17 | USE bdy_oce ! ocean open boundary conditions |
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| 18 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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[1125] | 19 | USE in_out_manager ! I/O manager |
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[911] | 20 | |
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| 21 | IMPLICIT NONE |
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| 22 | PRIVATE |
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| 23 | |
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[2528] | 24 | PUBLIC bdy_tra_frs ! routine called in tranxt.F90 |
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[911] | 25 | |
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[1125] | 26 | !!---------------------------------------------------------------------- |
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[2528] | 27 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[1146] | 28 | !! $Id$ |
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[2528] | 29 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[1125] | 30 | !!---------------------------------------------------------------------- |
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[911] | 31 | CONTAINS |
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| 32 | |
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[2528] | 33 | SUBROUTINE bdy_tra_frs( kt ) |
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[1125] | 34 | !!---------------------------------------------------------------------- |
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[2528] | 35 | !! *** SUBROUTINE bdy_tra_frs *** |
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[911] | 36 | !! |
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| 37 | !! ** Purpose : Apply the Flow Relaxation Scheme for tracers in the |
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| 38 | !! case of unstructured open boundaries. |
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| 39 | !! |
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[1125] | 40 | !! Reference : Engedahl H., 1995, Tellus, 365-382. |
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| 41 | !!---------------------------------------------------------------------- |
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[911] | 42 | INTEGER, INTENT( in ) :: kt |
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[1125] | 43 | !! |
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| 44 | REAL(wp) :: zwgt ! boundary weight |
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| 45 | INTEGER :: ib, ik, igrd ! dummy loop indices |
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| 46 | INTEGER :: ii, ij ! 2D addresses |
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| 47 | !!---------------------------------------------------------------------- |
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| 48 | ! |
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[2528] | 49 | IF(ln_tra_frs) THEN ! If this is false, then this routine does nothing. |
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| 50 | ! |
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| 51 | IF( kt == nit000 ) THEN |
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| 52 | IF(lwp) WRITE(numout,*) |
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| 53 | IF(lwp) WRITE(numout,*) 'bdy_tra_frs : Flow Relaxation Scheme for tracers' |
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| 54 | IF(lwp) WRITE(numout,*) '~~~~~~~' |
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| 55 | ENDIF |
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| 56 | ! |
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| 57 | igrd = 1 ! Everything is at T-points here |
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| 58 | DO ib = 1, nblen(igrd) |
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| 59 | DO ik = 1, jpkm1 |
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| 60 | ii = nbi(ib,igrd) |
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| 61 | ij = nbj(ib,igrd) |
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| 62 | zwgt = nbw(ib,igrd) |
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[2977] | 63 | tsa(ii,ij,ik,jp_tem) = ( tsa(ii,ij,ik,jp_tem) * (1.-zwgt) + tbdy(ib,ik) * zwgt ) * tmask(ii,ij,ik) |
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| 64 | tsa(ii,ij,ik,jp_sal) = ( tsa(ii,ij,ik,jp_sal) * (1.-zwgt) + sbdy(ib,ik) * zwgt ) * tmask(ii,ij,ik) |
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[2528] | 65 | END DO |
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| 66 | END DO |
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[2977] | 67 | ! ! Boundary points should be updated |
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| 68 | CALL lbc_lnk( tsa(:,:,:,jp_tem), 'T', 1. ) |
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| 69 | CALL lbc_lnk( tsa(:,:,:,jp_sal), 'T', 1. ) |
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[2528] | 70 | ! |
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| 71 | ENDIF ! ln_tra_frs |
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[1125] | 72 | ! |
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[2528] | 73 | END SUBROUTINE bdy_tra_frs |
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[1125] | 74 | |
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[911] | 75 | #else |
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[1125] | 76 | !!---------------------------------------------------------------------- |
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| 77 | !! Dummy module NO Unstruct Open Boundary Conditions |
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| 78 | !!---------------------------------------------------------------------- |
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[911] | 79 | CONTAINS |
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[2528] | 80 | SUBROUTINE bdy_tra_frs(kt) ! Empty routine |
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| 81 | WRITE(*,*) 'bdy_tra_frs: You should not have seen this print! error?', kt |
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| 82 | END SUBROUTINE bdy_tra_frs |
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[911] | 83 | #endif |
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| 84 | |
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[1125] | 85 | !!====================================================================== |
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[911] | 86 | END MODULE bdytra |
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