[2409] | 1 | MODULE dyncor_c1d |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE dyncor_c1d *** |
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| 4 | !! Ocean Dynamics : Coriolis term in 1D configuration |
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| 5 | !!===================================================================== |
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| 6 | !! History : 2.0 ! 2004-09 (C. Ethe) Original code |
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| 7 | !! 3.0 ! 2008-04 (G. Madec) style only |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | #if defined key_c1d |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! 'key_c1d' 1D Configuration |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! cor_c1d : Coriolis factor at T-point (1D configuration) |
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| 14 | !! dyn_cor_c1d : vorticity trend due to Coriolis at T-point |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | USE oce ! ocean dynamics and tracers |
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| 17 | USE dom_oce ! ocean space and time domain |
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| 18 | USE phycst ! physical constants |
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| 19 | USE in_out_manager ! I/O manager |
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| 20 | USE prtctl ! Print control |
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| 21 | |
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| 22 | IMPLICIT NONE |
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| 23 | PRIVATE |
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| 24 | |
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| 25 | PUBLIC cor_c1d ! routine called by OPA.F90 |
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| 26 | PUBLIC dyn_cor_c1d ! routine called by step1d.F90 |
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| 27 | |
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| 28 | !! * Substitutions |
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| 29 | # include "vectopt_loop_substitute.h90" |
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| 30 | !!---------------------------------------------------------------------- |
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| 31 | !! NEMO/C1D 3.3 , NEMO Consortium (2010) |
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[5620] | 32 | !! $Id$ |
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[2409] | 33 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 34 | !!---------------------------------------------------------------------- |
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| 35 | CONTAINS |
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| 36 | |
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| 37 | SUBROUTINE cor_c1d |
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| 38 | !!---------------------------------------------------------------------- |
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| 39 | !! *** ROUTINE cor_c1d *** |
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| 40 | !! |
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| 41 | !! ** Purpose : set the Coriolis factor at T-point |
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| 42 | !!---------------------------------------------------------------------- |
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| 43 | REAL(wp) :: zphi0, zbeta, zf0 ! temporary scalars |
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| 44 | !!---------------------------------------------------------------------- |
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| 45 | |
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| 46 | IF(lwp) WRITE(numout,*) |
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| 47 | IF(lwp) WRITE(numout,*) 'cor_c1d : Coriolis factor at T-point' |
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| 48 | IF(lwp) WRITE(numout,*) '~~~~~~~' |
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| 49 | |
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| 50 | SELECT CASE( jphgr_msh ) ! type of horizontal mesh |
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| 51 | ! |
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| 52 | CASE ( 0, 1, 4 ) ! mesh on the sphere |
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| 53 | ff(:,:) = 2. * omega * SIN( rad * gphit(:,:) ) |
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| 54 | ! |
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| 55 | CASE ( 2 ) ! f-plane at ppgphi0 |
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| 56 | ff(:,:) = 2. * omega * SIN( rad * ppgphi0 ) |
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| 57 | IF(lwp) WRITE(numout,*) ' f-plane: Coriolis parameter = constant = ', ff(1,1) |
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| 58 | ! |
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| 59 | CASE ( 3 ) ! beta-plane |
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| 60 | zbeta = 2. * omega * COS( rad * ppgphi0 ) / ra ! beta at latitude ppgphi0 |
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| 61 | zphi0 = ppgphi0 - FLOAT( jpjglo/2) * ppe2_m *1.e-3 / ( ra * rad ) ! latitude of the first row F-points |
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| 62 | zf0 = 2. * omega * SIN( rad * zphi0 ) ! compute f0 1st point south |
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| 63 | ff(:,:) = ( zf0 + zbeta * gphit(:,:) * 1.e+3 ) ! f = f0 +beta* y ( y=0 at south) |
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| 64 | IF(lwp) WRITE(numout,*) ' Beta-plane: Beta parameter = constant = ', ff(1,1) |
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| 65 | IF(lwp) WRITE(numout,*) ' Coriolis parameter varies from ', ff(1,1),' to ', ff(1,jpj) |
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| 66 | ! |
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| 67 | CASE ( 5 ) ! beta-plane and rotated domain |
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| 68 | zbeta = 2. * omega * COS( rad * ppgphi0 ) / ra ! beta at latitude ppgphi0 |
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| 69 | zphi0 = 15.e0 ! latitude of the first row F-points |
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| 70 | zf0 = 2. * omega * SIN( rad * zphi0 ) ! compute f0 1st point south |
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| 71 | ff(:,:) = ( zf0 + zbeta * ABS( gphit(:,:) - zphi0 ) * rad * ra ) ! f = f0 +beta* y ( y=0 at south) |
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| 72 | IF(lwp) WRITE(numout,*) ' Beta-plane: Beta parameter = constant = ', ff(1,1) |
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| 73 | IF(lwp) WRITE(numout,*) ' Coriolis parameter varies from ', ff(1,1),' to ', ff(1,jpj) |
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| 74 | ! |
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| 75 | END SELECT |
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| 76 | ! |
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| 77 | END SUBROUTINE cor_c1d |
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| 78 | |
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| 79 | |
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| 80 | SUBROUTINE dyn_cor_c1d( kt ) |
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| 81 | !!---------------------------------------------------------------------- |
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| 82 | !! *** ROUTINE dyn_cor_c1d *** |
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| 83 | !! |
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| 84 | !! ** Purpose : Compute the now Coriolis trend and add it to |
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| 85 | !! the general trend of the momentum equation in 1D case. |
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| 86 | !!---------------------------------------------------------------------- |
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| 87 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 88 | !! |
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| 89 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 90 | !!---------------------------------------------------------------------- |
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| 91 | ! |
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| 92 | IF( kt == nit000 ) THEN |
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| 93 | IF(lwp) WRITE(numout,*) |
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| 94 | IF(lwp) WRITE(numout,*) 'dyn_cor_c1d : total vorticity trend in 1D' |
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| 95 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~' |
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| 96 | ENDIF |
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| 97 | ! |
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| 98 | DO jk = 1, jpkm1 |
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| 99 | DO jj = 2, jpjm1 |
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| 100 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 101 | ua(ji,jj,jk) = ua(ji,jj,jk) + ff(ji,jj) * vn(ji,jj,jk) |
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| 102 | va(ji,jj,jk) = va(ji,jj,jk) - ff(ji,jj) * un(ji,jj,jk) |
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| 103 | END DO |
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| 104 | END DO |
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| 105 | END DO |
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| 106 | ! |
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| 107 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' cor - Ua: ', mask1=umask, & |
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| 108 | & tab3d_2=va, clinfo2=' Va: ' , mask2=vmask ) |
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| 109 | ! |
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| 110 | END SUBROUTINE dyn_cor_c1d |
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| 111 | |
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| 112 | #else |
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| 113 | !!---------------------------------------------------------------------- |
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| 114 | !! Default key NO 1D Configuration |
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| 115 | !!---------------------------------------------------------------------- |
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| 116 | CONTAINS |
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| 117 | SUBROUTINE cor_c1d ! Empty routine |
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| 118 | END SUBROUTINE cor_c1d |
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| 119 | SUBROUTINE dyn_cor_c1d ( kt ) ! Empty routine |
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| 120 | WRITE(*,*) 'dyn_cor_c1d: You should not have seen this print! error?', kt |
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| 121 | END SUBROUTINE dyn_cor_c1d |
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| 122 | #endif |
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| 123 | |
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| 124 | !!===================================================================== |
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| 125 | END MODULE dyncor_c1d |
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