[3] | 1 | !!---------------------------------------------------------------------- |
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| 2 | !! *** ldfdyn_c3d.h90 *** |
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| 3 | !!---------------------------------------------------------------------- |
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| 4 | |
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| 5 | !!---------------------------------------------------------------------- |
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[247] | 6 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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| 7 | !! $Header$ |
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| 8 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | |
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| 11 | !!---------------------------------------------------------------------- |
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[3] | 12 | !! 'key_dynldf_c3d' 3D lateral eddy viscosity coefficients |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | |
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| 15 | SUBROUTINE ldf_dyn_c3d( ld_print ) |
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| 16 | !!---------------------------------------------------------------------- |
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| 17 | !! *** ROUTINE ldf_dyn_c3d *** |
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| 18 | !! |
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| 19 | !! ** Purpose : initializations of the horizontal ocean physics |
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| 20 | !! |
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| 21 | !! ** Method : 3D eddy viscosity coef. ( longitude, latitude, depth ) |
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| 22 | !! laplacian operator : ahm1, ahm2 defined at T- and F-points |
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| 23 | !! ahm2, ahm4 never used |
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| 24 | !! bilaplacian operator : ahm1, ahm2 never used |
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| 25 | !! : ahm3, ahm4 defined at U- and V-points |
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| 26 | !! ??? explanation of the default is missing |
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| 27 | !!---------------------------------------------------------------------- |
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| 28 | !! * Modules used |
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| 29 | USE ldftra_oce, ONLY : aht0 |
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| 30 | |
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| 31 | !! * Arguments |
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| 32 | LOGICAL, INTENT (in) :: ld_print ! If true, output arrays on numout |
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| 33 | |
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| 34 | !! * local variables |
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| 35 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 36 | REAL(wp) :: & |
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| 37 | zr = 0.2 , & ! maximum of the reduction factor at the bottom ocean |
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| 38 | ! ! ( 0 < zr < 1 ) |
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| 39 | zh = 500., & ! depth of at which start the reduction ( > dept(1) ) |
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| 40 | zdx_max , & ! maximum grid spacing over the global domain |
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| 41 | za00, zc, zd ! temporary scalars |
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| 42 | REAL(wp), DIMENSION(jpk) :: zcoef ! temporary workspace |
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| 43 | !!---------------------------------------------------------------------- |
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| 44 | |
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| 45 | IF(lwp) WRITE(numout,*) |
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| 46 | IF(lwp) WRITE(numout,*) 'ldf_dyn_c3d : 3D lateral eddy viscosity coefficient' |
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| 47 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
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| 48 | |
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| 49 | |
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| 50 | ! Set ahm1 and ahm2 ( T- and F- points) (used for laplacian operators |
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| 51 | ! ================= whatever its orientation is) |
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| 52 | IF( ln_dynldf_lap ) THEN |
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| 53 | ! define ahm1 and ahm2 at the right grid point position |
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| 54 | ! (USER: modify ahm1 and ahm2 following your desiderata) |
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| 55 | |
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| 56 | zdx_max = MAXVAL( e1t(:,:) ) |
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[32] | 57 | IF( lk_mpp ) CALL mpp_max( zdx_max ) ! max over the global domain |
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| 58 | |
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[3] | 59 | IF(lwp) WRITE(numout,*) ' laplacian operator: ahm proportional to e1' |
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| 60 | IF(lwp) WRITE(numout,*) ' Caution, here we assume your mesh is isotropic ...' |
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| 61 | IF(lwp) WRITE(numout,*) ' maximum grid-spacing = ', zdx_max, ' maximum value for ahm = ', ahm0 |
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| 62 | |
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| 63 | |
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| 64 | za00 = ahm0 / zdx_max |
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| 65 | |
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| 66 | IF( ln_dynldf_iso ) THEN |
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| 67 | IF(lwp) WRITE(numout,*) ' Caution, as implemented now, the isopycnal part of momentum' |
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| 68 | IF(lwp) WRITE(numout,*) ' mixing use aht0 as eddy viscosity coefficient. Thus, it is' |
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| 69 | IF(lwp) WRITE(numout,*) ' uniform and you must be sure that your ahm is greater than' |
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| 70 | IF(lwp) WRITE(numout,*) ' aht0 everywhere in the model domain.' |
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| 71 | ENDIF |
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| 72 | |
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| 73 | CALL ldf_zpf( .TRUE. , 1000., 500., 0.25, fsdept(:,:,:), ahm1 ) ! vertical profile |
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| 74 | CALL ldf_zpf( .TRUE. , 1000., 500., 0.25, fsdept(:,:,:), ahm2 ) ! vertical profile |
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| 75 | DO jk = 1,jpk |
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| 76 | ahm1(:,:,jk) = za00 * e1t(:,:) * ahm1(:,:,jk) |
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| 77 | ahm2(:,:,jk) = za00 * e1f(:,:) * ahm2(:,:,jk) |
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| 78 | END DO |
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| 79 | |
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| 80 | |
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| 81 | ! Special case for ORCA R2 and R4 configurations (overwrite the value of ahm1 ahm2) |
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| 82 | ! ============================================== |
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| 83 | IF( cp_cfg == "orca" .AND. ( jp_cfg == 2 .OR. jp_cfg == 4 ) ) THEN |
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| 84 | IF(lwp) WRITE(numout,*) |
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| 85 | IF(lwp) WRITE(numout,*) ' ORCA R2 or R4: overwrite the previous definition of ahm' |
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| 86 | IF(lwp) WRITE(numout,*) ' =============' |
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| 87 | CALL ldf_dyn_c3d_orca( ld_print ) |
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| 88 | ENDIF |
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| 89 | |
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| 90 | ENDIF |
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| 91 | |
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| 92 | ! Control print |
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| 93 | IF(lwp .AND. ld_print ) THEN |
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| 94 | WRITE(numout,*) |
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| 95 | WRITE(numout,*) ' 3D ahm1 array (k=1)' |
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| 96 | CALL prihre( ahm1(:,:,1), jpi, jpj, 1, jpi, 20, 1, jpj, 20, 1.e-3, numout ) |
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| 97 | WRITE(numout,*) |
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| 98 | WRITE(numout,*) ' 3D ahm2 array (k=1)' |
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| 99 | CALL prihre( ahm2(:,:,1), jpi, jpj, 1, jpi, 20, 1, jpj, 20, 1.e-3, numout ) |
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| 100 | ENDIF |
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| 101 | |
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| 102 | |
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| 103 | ! ahm3 and ahm4 at U- and V-points (used for bilaplacian operator |
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| 104 | ! ================================ whatever its orientation is) |
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| 105 | ! (USER: modify ahm3 and ahm4 following your desiderata) |
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| 106 | ! Here: ahm is proportional to the cube of the maximum of the gridspacing |
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| 107 | ! in the to horizontal direction |
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| 108 | |
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| 109 | IF( ln_dynldf_bilap ) THEN |
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| 110 | |
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| 111 | zdx_max = MAXVAL( e1u(:,:) ) |
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[32] | 112 | IF( lk_mpp ) CALL mpp_max( zdx_max ) ! max over the global domain |
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| 113 | |
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[3] | 114 | IF(lwp) WRITE(numout,*) ' bi-laplacian operator: ahm proportional to e1**3 ' |
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| 115 | IF(lwp) WRITE(numout,*) ' Caution, here we assume your mesh is isotropic ...' |
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| 116 | IF(lwp) WRITE(numout,*) ' maximum grid-spacing = ', zdx_max, ' maximum value for ahm = ', ahm0 |
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| 117 | |
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| 118 | za00 = ahm0 / ( zdx_max * zdx_max * zdx_max ) |
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| 119 | ahm3(:,:,1) = za00 * e1u(:,:) * e1u(:,:) * e1u(:,:) |
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| 120 | ahm4(:,:,1) = za00 * e1v(:,:) * e1v(:,:) * e1v(:,:) |
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| 121 | |
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| 122 | zh = MAX( zh, fsdept(1,1,1) ) ! at least the first reach ahm0 |
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[461] | 123 | IF( ln_zco ) THEN ! z-coordinate, same profile everywhere |
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[3] | 124 | IF(lwp) WRITE(numout,'(36x," ahm ", 7x)') |
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| 125 | DO jk = 1, jpk |
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| 126 | IF( fsdept(1,1,jk) <= zh ) THEN |
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| 127 | zcoef(jk) = 1.e0 |
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| 128 | ELSE |
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| 129 | zcoef(jk) = 1.e0 + ( zr - 1.e0 ) & |
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| 130 | & * ( 1. - EXP( ( fsdept(1,1,jk ) - zh ) / zh ) ) & |
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| 131 | & / ( 1. - EXP( ( fsdept(1,1,jpkm1) - zh ) / zh ) ) |
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| 132 | ENDIF |
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| 133 | ahm3(:,:,jk) = ahm3(:,:,1) * zcoef(jk) |
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| 134 | ahm4(:,:,jk) = ahm4(:,:,1) * zcoef(jk) |
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| 135 | IF(lwp) WRITE(numout,'(34x,E7.2,8x,i3)') zcoef(jk) * ahm0, jk |
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| 136 | END DO |
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| 137 | ELSE ! partial steps or s-ccordinate |
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[461] | 138 | # if defined key_zco |
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| 139 | zc = gdept_0(jpkm1) |
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| 140 | # else |
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[3] | 141 | zc = MAXVAL( fsdept(:,:,jpkm1) ) |
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[147] | 142 | # endif |
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[32] | 143 | IF( lk_mpp ) CALL mpp_max( zc ) ! max over the global domain |
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| 144 | |
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[3] | 145 | zc = 1. / ( 1. - EXP( ( zc - zh ) / zh ) ) |
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| 146 | DO jk = 2, jpkm1 |
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| 147 | DO jj = 1, jpj |
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| 148 | DO ji = 1, jpi |
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| 149 | IF( fsdept(ji,jj,jk) <= zh ) THEN |
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| 150 | ahm3(ji,jj,jk) = ahm3(ji,jj,1) |
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| 151 | ahm4(ji,jj,jk) = ahm4(ji,jj,1) |
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| 152 | ELSE |
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| 153 | zd = 1.e0 + ( zr - 1.e0 ) * ( 1. - EXP( ( fsdept(ji,jj,jk) - zh ) / zh ) ) * zc |
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| 154 | ahm3(ji,jj,jk) = ahm3(ji,jj,1) * zd |
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| 155 | ahm4(ji,jj,jk) = ahm4(ji,jj,1) * zd |
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| 156 | ENDIF |
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| 157 | END DO |
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| 158 | END DO |
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| 159 | END DO |
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| 160 | ahm3(:,:,jpk) = ahm3(:,:,jpkm1) |
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| 161 | ahm4(:,:,jpk) = ahm4(:,:,jpkm1) |
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| 162 | IF(lwp) WRITE(numout,'(36x," ahm ", 7x)') |
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| 163 | DO jk = 1, jpk |
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| 164 | IF(lwp) WRITE(numout,'(30x,E10.2,8x,i3)') ahm3(1,1,jk), jk |
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| 165 | END DO |
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| 166 | ENDIF |
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| 167 | |
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| 168 | ! Control print |
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| 169 | IF( lwp .AND. ld_print ) THEN |
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| 170 | WRITE(numout,*) |
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| 171 | WRITE(numout,*) 'inildf: ahm3 array at level 1' |
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| 172 | CALL prihre(ahm3(:,:,1 ),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) |
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| 173 | WRITE(numout,*) |
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| 174 | WRITE(numout,*) 'inildf: ahm4 array at level 1' |
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| 175 | CALL prihre(ahm4(:,:,jpk),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) |
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| 176 | ENDIF |
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| 177 | ENDIF |
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| 178 | |
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| 179 | END SUBROUTINE ldf_dyn_c3d |
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| 180 | |
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| 181 | |
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| 182 | SUBROUTINE ldf_dyn_c3d_orca( ld_print ) |
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| 183 | !!---------------------------------------------------------------------- |
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| 184 | !! *** ROUTINE ldf_dyn_c3d *** |
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| 185 | !! |
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| 186 | !! ** Purpose : ORCA R2 an R4 only |
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| 187 | !! |
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| 188 | !! ** Method : blah blah blah .... |
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| 189 | !!---------------------------------------------------------------------- |
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| 190 | !! * Modules used |
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| 191 | USE ldftra_oce, ONLY : aht0 |
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[473] | 192 | |
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[3] | 193 | !! * Arguments |
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| 194 | LOGICAL, INTENT (in) :: ld_print ! If true, output arrays on numout |
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| 195 | |
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| 196 | !! * local variables |
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[32] | 197 | INTEGER :: ji, jj, jk, jn ! dummy loop indices |
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[162] | 198 | INTEGER :: ii0, ii1, ij0, ij1 ! temporary integers |
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[32] | 199 | INTEGER :: inum = 11 ! temporary logical unit |
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| 200 | INTEGER :: iost, iim, ijm |
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| 201 | INTEGER :: ifreq, il1, il2, ij, ii |
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| 202 | INTEGER, DIMENSION(jpidta, jpjdta) :: idata |
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| 203 | INTEGER, DIMENSION(jpi , jpj ) :: icof |
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[3] | 204 | |
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[162] | 205 | REAL(wp) :: & |
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| 206 | zahmeq, zcoff, zcoft, zmsk, & ! ??? |
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| 207 | zemax, zemin, zeref, zahmm |
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| 208 | REAL(wp), DIMENSION(jpi,jpj) :: zahm0 |
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[32] | 209 | REAL(wp), DIMENSION(jpk) :: zcoef |
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[3] | 210 | |
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| 211 | CHARACTER (len=15) :: clexp |
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| 212 | !!---------------------------------------------------------------------- |
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| 213 | |
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| 214 | IF(lwp) WRITE(numout,*) |
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| 215 | IF(lwp) WRITE(numout,*) 'ldfdyn_c3d_orca : 3D eddy viscosity coefficient' |
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| 216 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~~~' |
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| 217 | IF(lwp) WRITE(numout,*) |
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| 218 | IF(lwp) WRITE(numout,*) ' orca R2 or R4 ocean model' |
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| 219 | IF(lwp) WRITE(numout,*) ' reduced in the surface Eq. strip ' |
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| 220 | IF(lwp) WRITE(numout,*) |
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| 221 | |
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| 222 | ! Read 2d integer array to specify western boundary increase in the |
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| 223 | ! ===================== equatorial strip (20N-20S) defined at t-points |
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| 224 | |
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[32] | 225 | OPEN( UNIT=inum, FILE='ahmcoef', STATUS='OLD', & |
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| 226 | & FORM='FORMATTED', ACCESS='SEQUENTIAL', ERR=111 , & |
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| 227 | & IOSTAT= iost) |
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[3] | 228 | IF( iost == 0 ) THEN |
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| 229 | IF(lwp) THEN |
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| 230 | WRITE(numout,*) ' file : ahmcoef open ok' |
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[32] | 231 | WRITE(numout,*) ' unit = ', inum |
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[3] | 232 | WRITE(numout,*) ' status = OLD' |
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| 233 | WRITE(numout,*) ' form = FORMATTED' |
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| 234 | WRITE(numout,*) ' access = SEQUENTIAL' |
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| 235 | WRITE(numout,*) |
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| 236 | ENDIF |
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| 237 | ENDIF |
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| 238 | 111 CONTINUE |
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[473] | 239 | IF( iost /= 0 ) CALL ctl_stop( ' ', & |
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| 240 | & ' ===>>>> : bad opening file: ahmcoef, verify the file ahmcoef', & |
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| 241 | & ' ======= === ' ) |
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[32] | 242 | REWIND inum |
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| 243 | READ(inum,9101) clexp, iim, ijm |
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| 244 | READ(inum,'(/)') |
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[3] | 245 | ifreq = 40 |
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| 246 | il1 = 1 |
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| 247 | DO jn = 1, jpidta/ifreq+1 |
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[32] | 248 | READ(inum,'(/)') |
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[3] | 249 | il2 = MIN( jpidta, il1+ifreq-1 ) |
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[32] | 250 | READ(inum,9201) ( ii, ji = il1, il2, 5 ) |
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| 251 | READ(inum,'(/)') |
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[3] | 252 | DO jj = jpjdta, 1, -1 |
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[32] | 253 | READ(inum,9202) ij, ( idata(ji,jj), ji = il1, il2 ) |
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[3] | 254 | END DO |
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| 255 | il1 = il1 + ifreq |
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| 256 | END DO |
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| 257 | |
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| 258 | DO jj = 1, nlcj |
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| 259 | DO ji = 1, nlci |
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| 260 | icof(ji,jj) = idata( mig(ji), mjg(jj) ) |
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| 261 | END DO |
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| 262 | END DO |
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| 263 | DO jj = nlcj+1, jpj |
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| 264 | DO ji = 1, nlci |
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| 265 | icof(ji,jj) = icof(ji,nlcj) |
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| 266 | END DO |
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| 267 | END DO |
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| 268 | DO jj = 1, jpj |
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| 269 | DO ji = nlci+1, jpi |
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| 270 | icof(ji,jj) = icof(nlci,jj) |
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| 271 | END DO |
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| 272 | END DO |
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| 273 | |
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| 274 | 9101 FORMAT(1x,a15,2i8) |
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| 275 | 9201 FORMAT(3x,13(i3,12x)) |
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| 276 | 9202 FORMAT(i3,41i3) |
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| 277 | |
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| 278 | ! Set ahm1 and ahm2 |
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| 279 | ! ================= |
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| 280 | |
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| 281 | ! define ahm1 and ahm2 at the right grid point position |
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| 282 | ! (USER: modify ahm1 and ahm2 following your desiderata) |
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| 283 | ! biharmonic : ahm1 (ahm2) defined at u- (v-) point |
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| 284 | ! harmonic : ahm1 (ahm2) defined at t- (f-) point |
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| 285 | |
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| 286 | ! first level : as for 2D coefficients |
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| 287 | |
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| 288 | ! Decrease ahm to zahmeq m2/s in the tropics |
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| 289 | ! (from 90 to 20 degre: ahm = constant |
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| 290 | ! from 20 to 2.5 degre: ahm = decrease in (1-cos)/2 |
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| 291 | ! from 2.5 to 0 degre: ahm = constant |
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| 292 | ! symmetric in the south hemisphere) |
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| 293 | |
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[162] | 294 | IF( jp_cfg == 4 ) THEN |
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| 295 | zahmeq = 5.0 * aht0 |
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| 296 | zahmm = min( 160000.0, ahm0) |
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| 297 | zemax = MAXVAL ( e1t(:,:) * e2t(:,:), tmask(:,:,1) .GE. 0.5 ) |
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| 298 | zemin = MINVAL ( e1t(:,:) * e2t(:,:), tmask(:,:,1) .GE. 0.5 ) |
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| 299 | zeref = MAXVAL ( e1t(:,:) * e2t(:,:), & |
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| 300 | & tmask(:,:,1) .GE. 0.5 .AND. ABS(gphit(:,:)) .GT. 50. ) |
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| 301 | |
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| 302 | DO jj = 1, jpj |
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| 303 | DO ji = 1, jpi |
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| 304 | zmsk = e1t(ji,jj) * e2t(ji,jj) |
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| 305 | IF( abs(gphit(ji,jj)) .LE. 15 ) THEN |
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| 306 | zahm0(ji,jj) = ahm0 |
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| 307 | ELSE |
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| 308 | IF( zmsk .GE. zeref ) THEN |
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| 309 | zahm0(ji,jj) = ahm0 |
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| 310 | ELSE |
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| 311 | zahm0(ji,jj) = zahmm + (ahm0-zahmm)*(1.0 - & |
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| 312 | & cos((rpi*0.5*(zmsk-zemin)/(zeref-zemin)))) |
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| 313 | ENDIF |
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| 314 | ENDIF |
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| 315 | END DO |
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| 316 | END DO |
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| 317 | ENDIF |
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[3] | 318 | |
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[162] | 319 | IF( jp_cfg == 2 ) THEN |
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| 320 | zahmeq = aht0 |
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| 321 | zahmm = ahm0 |
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| 322 | zahm0(:,:) = ahm0 |
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| 323 | ENDIF |
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| 324 | |
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[3] | 325 | DO jj = 1, jpj |
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| 326 | DO ji = 1, jpi |
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| 327 | IF( ABS(gphif(ji,jj)) >= 20.) THEN |
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[162] | 328 | ahm2(ji,jj,1) = zahm0(ji,jj) |
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[3] | 329 | ELSEIF( ABS(gphif(ji,jj)) <= 2.5) THEN |
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| 330 | ahm2(ji,jj,1) = zahmeq |
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| 331 | ELSE |
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[162] | 332 | ahm2(ji,jj,1) = zahmeq + (zahm0(ji,jj)-zahmeq)/2. & |
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| 333 | & *(1.-COS( rad*(ABS(gphif(ji,jj))-2.5)*180./17.5 ) ) |
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[3] | 334 | ENDIF |
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| 335 | IF( ABS(gphit(ji,jj)) >= 20.) THEN |
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[162] | 336 | ahm1(ji,jj,1) = zahm0(ji,jj) |
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[3] | 337 | ELSEIF( ABS(gphit(ji,jj)) <= 2.5) THEN |
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| 338 | ahm1(ji,jj,1) = zahmeq |
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| 339 | ELSE |
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[162] | 340 | ahm1(ji,jj,1) = zahmeq + (zahm0(ji,jj)-zahmeq)/2. & |
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| 341 | & *(1.-COS( rad*(ABS(gphit(ji,jj))-2.5)*180./17.5 ) ) |
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[3] | 342 | ENDIF |
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| 343 | END DO |
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| 344 | END DO |
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| 345 | |
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| 346 | ! increase along western boundaries of equatorial strip |
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| 347 | ! t-point |
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| 348 | DO jj = 1, jpjm1 |
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| 349 | DO ji = 1, jpim1 |
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| 350 | zcoft = float( icof(ji,jj) ) / 100. |
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[162] | 351 | ahm1(ji,jj,1) = zcoft * zahm0(ji,jj) + (1.-zcoft) * ahm1(ji,jj,1) |
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[3] | 352 | END DO |
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| 353 | END DO |
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| 354 | ! f-point |
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| 355 | icof(:,:) = icof(:,:) * tmask(:,:,1) |
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| 356 | DO jj = 1, jpjm1 |
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| 357 | DO ji = 1, jpim1 |
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| 358 | zmsk = tmask(ji,jj+1,1) + tmask(ji+1,jj+1,1) + tmask(ji,jj,1) + tmask(ji,jj+1,1) |
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| 359 | IF( zmsk == 0. ) THEN |
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| 360 | zcoff = 1. |
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| 361 | ELSE |
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| 362 | zcoff = FLOAT( icof(ji,jj+1) + icof(ji+1,jj+1) + icof(ji,jj) + icof(ji,jj+1) ) & |
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| 363 | / (zmsk * 100.) |
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| 364 | ENDIF |
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[162] | 365 | ahm2(ji,jj,1) = zcoff * zahm0(ji,jj) + (1.-zcoff) * ahm2(ji,jj,1) |
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[3] | 366 | END DO |
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| 367 | END DO |
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| 368 | |
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| 369 | ! other level: re-increase the coef in the deep ocean |
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| 370 | |
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[473] | 371 | #if defined key_orca_lev10 |
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| 372 | DO jk = 1, 210 |
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[3] | 373 | zcoef(jk) = 1. |
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| 374 | END DO |
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[473] | 375 | DO jk= 211, 230 |
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| 376 | zcoef(jk) = 1. + 0.1 * FLOAT(jk-210) |
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| 377 | END DO |
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| 378 | DO jk= 231, 260 |
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| 379 | zcoef(jk) = 3. + 0.2 * FLOAT(jk-230) |
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| 380 | END DO |
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| 381 | DO jk= 261, 270 |
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| 382 | zcoef(jk) = 9. + 0.1 * FLOAT(jk-260) |
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| 383 | END DO |
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| 384 | DO jk= 271, jpk |
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| 385 | zcoef(jk) = 10. |
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| 386 | END DO |
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| 387 | DO jk= 1, jpk |
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| 388 | IF(lwp) WRITE(numout,*) 'k= ',jk, 'cof ', zcoef(jk) |
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| 389 | END DO |
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| 390 | #else |
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| 391 | DO jk = 1, 21 |
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| 392 | zcoef(jk) = 1. |
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| 393 | END DO |
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[3] | 394 | zcoef(22) = 2. |
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| 395 | zcoef(23) = 3. |
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| 396 | zcoef(24) = 5. |
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| 397 | zcoef(25) = 7. |
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| 398 | zcoef(26) = 9. |
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| 399 | DO jk = 27, jpk |
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| 400 | zcoef(jk) = 10. |
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| 401 | END DO |
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[473] | 402 | #endif |
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| 403 | |
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[3] | 404 | DO jk = 2, jpk |
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[162] | 405 | ahm1(:,:,jk) = MIN( zahm0(:,:), zcoef(jk) * ahm1(:,:,1) ) |
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| 406 | ahm2(:,:,jk) = MIN( zahm0(:,:), zcoef(jk) * ahm2(:,:,1) ) |
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[3] | 407 | END DO |
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[162] | 408 | |
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| 409 | IF( jp_cfg == 4 ) THEN |
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| 410 | ! Limit AHM in Gibraltar strait |
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| 411 | ij0 = 50 ; ij1 = 53 |
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| 412 | ii0 = 69 ; ii1 = 71 |
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| 413 | DO jk = 1, jpk |
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| 414 | ahm1(mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk) = min( zahmm, ahm1 (mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk) ) |
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| 415 | ahm2(mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk) = min( zahmm, ahm2 (mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk) ) |
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| 416 | END DO |
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| 417 | ENDIF |
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[3] | 418 | |
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| 419 | ! Lateral boundary conditions on ( ahm1, ahm2 ) |
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| 420 | ! ============== |
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| 421 | CALL lbc_lnk( ahm1, 'T', 1. ) ! T-point, unchanged sign |
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| 422 | CALL lbc_lnk( ahm2, 'F', 1. ) ! F-point, unchanged sign |
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| 423 | |
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| 424 | ! Control print |
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| 425 | |
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| 426 | IF(lwp) THEN |
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| 427 | WRITE(numout,*) |
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| 428 | WRITE(numout,*) ' 3D ahm1 array (k=1)' |
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| 429 | CALL prihre( ahm1(:,:,1), jpi, jpj, 1, jpi, 20, 1, jpj, 20, 1.e-3, numout ) |
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| 430 | WRITE(numout,*) |
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| 431 | WRITE(numout,*) ' 3D ahm2 array (k=1)' |
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| 432 | CALL prihre( ahm2(:,:,1), jpi, jpj, 1, jpi, 20, 1, jpj, 20, 1.e-3, numout ) |
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| 433 | WRITE(numout,*) |
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| 434 | WRITE(numout,*) ' 3D ahm2 array (k=jpk)' |
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| 435 | CALL prihre( ahm2(:,:,jpk), jpi, jpj, 1, jpi, 20, 1, jpj, 20, 1.e-3, numout ) |
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| 436 | ENDIF |
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| 437 | |
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| 438 | |
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| 439 | ! Set ahm3 and ahm4 |
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| 440 | ! ================= |
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| 441 | |
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| 442 | ! define ahm3 and ahm4 at the right grid point position |
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| 443 | ! initialization to a constant value |
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| 444 | ! (USER: modify ahm3 and ahm4 following your desiderata) |
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| 445 | ! harmonic isopycnal or geopotential: |
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| 446 | ! ahm3 (ahm4) defined at u- (v-) point |
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| 447 | DO jk = 1, jpk |
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| 448 | DO jj = 2, jpj |
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| 449 | DO ji = 2, jpi |
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| 450 | ahm3(ji,jj,jk) = 0.5 * ( ahm2(ji,jj,jk) + ahm2(ji ,jj-1,jk) ) |
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| 451 | ahm4(ji,jj,jk) = 0.5 * ( ahm2(ji,jj,jk) + ahm2(ji-1,jj ,jk) ) |
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| 452 | END DO |
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| 453 | END DO |
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| 454 | END DO |
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| 455 | ahm3 ( :, 1, :) = ahm3 ( :, 2, :) |
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| 456 | ahm4 ( :, 1, :) = ahm4 ( :, 2, :) |
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| 457 | |
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| 458 | ! Lateral boundary conditions on ( ahm3, ahm4 ) |
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| 459 | ! ============== |
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| 460 | CALL lbc_lnk( ahm3, 'U', 1. ) ! U-point, unchanged sign |
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| 461 | CALL lbc_lnk( ahm4, 'V', 1. ) ! V-point, unchanged sign |
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| 462 | |
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| 463 | ! Control print |
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| 464 | |
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| 465 | IF( lwp .AND. ld_print ) THEN |
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| 466 | WRITE(numout,*) |
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| 467 | WRITE(numout,*) ' ahm3 array level 1' |
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| 468 | CALL prihre(ahm3(:,:,1),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) |
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| 469 | WRITE(numout,*) |
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| 470 | WRITE(numout,*) ' ahm4 array level 1' |
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| 471 | CALL prihre(ahm4(:,:,1),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) |
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| 472 | ENDIF |
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| 473 | |
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| 474 | END SUBROUTINE ldf_dyn_c3d_orca |
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