[253] | 1 | MODULE dyncor1d |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE ini1D *** |
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| 4 | !! Ocean state : 1D initialization |
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| 5 | !!===================================================================== |
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| 6 | #if defined key_cfg_1d |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | !! 'key_cfg_1d' 1D Configuration |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! fcorio_1d : Coriolis factor at T-point |
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| 12 | !! dyn_cor_1d : vorticity trend due to Coriolis |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! * Modules used |
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| 15 | USE oce ! ocean dynamics and tracers |
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| 16 | USE dom_oce ! ocean space and time domain |
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[321] | 17 | USE phycst ! physical constants |
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[253] | 18 | USE in_out_manager ! I/O manager |
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[321] | 19 | USE prtctl ! Print control |
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[253] | 20 | |
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| 21 | IMPLICIT NONE |
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| 22 | PRIVATE |
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| 23 | |
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| 24 | !! * Routine accessibility |
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| 25 | PUBLIC fcorio_1d ! routine called by OPA.F90 |
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| 26 | PUBLIC dyn_cor_1d ! 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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[257] | 31 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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| 32 | !! $Header$ |
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| 33 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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[253] | 34 | !!---------------------------------------------------------------------- |
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| 35 | |
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| 36 | CONTAINS |
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| 37 | |
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| 38 | SUBROUTINE fcorio_1d |
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| 39 | !!---------------------------------------------------------------------- |
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| 40 | !! *** ROUTINE fcorio_1d *** |
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| 41 | !! |
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| 42 | !! ** Purpose : Compute the Coriolis factor at T-point |
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| 43 | !! |
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| 44 | !! ** Method : |
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| 45 | !! |
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| 46 | !! History : |
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| 47 | !! 9.0 ! 04-09 (C. Ethe) 1D configuration |
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| 48 | !!---------------------------------------------------------------------- |
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| 49 | !! * Local declarations |
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| 50 | !!---------------------------------------------------------------------- |
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| 51 | REAL(wp) :: & |
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| 52 | zphi0, zbeta, zf0 ! temporary scalars |
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| 53 | |
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| 54 | |
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| 55 | !!---------------------------------------------------------------------- |
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| 56 | |
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| 57 | ! ================= ! |
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| 58 | ! Coriolis factor ! |
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| 59 | ! ================= ! |
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| 60 | IF(lwp) WRITE(numout,*) |
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| 61 | IF(lwp) WRITE(numout,*) 'fcorio_1d : Coriolis factor at T-point' |
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| 62 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
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| 63 | |
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| 64 | SELECT CASE( jphgr_msh ) ! type of horizontal mesh |
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| 65 | |
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| 66 | CASE ( 0, 1, 4 ) ! mesh on the sphere |
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| 67 | |
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| 68 | ff(:,:) = 2. * omega * SIN( rad * gphit(:,:) ) |
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| 69 | |
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| 70 | CASE ( 2 ) ! f-plane at ppgphi0 |
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| 71 | |
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| 72 | ff(:,:) = 2. * omega * SIN( rad * ppgphi0 ) |
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| 73 | |
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| 74 | IF(lwp) WRITE(numout,*) ' f-plane: Coriolis parameter = constant = ', ff(1,1) |
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| 75 | |
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| 76 | CASE ( 3 ) ! beta-plane |
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| 77 | |
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| 78 | zbeta = 2. * omega * COS( rad * ppgphi0 ) / ra ! beta at latitude ppgphi0 |
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| 79 | zphi0 = ppgphi0 - FLOAT( jpjglo/2) * ppe2_m *1.e-3 / ( ra * rad ) ! latitude of the first row F-points |
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| 80 | zf0 = 2. * omega * SIN( rad * zphi0 ) ! compute f0 1st point south |
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| 81 | |
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| 82 | ff(:,:) = ( zf0 + zbeta * gphit(:,:) * 1.e+3 ) ! f = f0 +beta* y ( y=0 at south) |
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| 83 | |
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| 84 | IF(lwp) WRITE(numout,*) ' Beta-plane: Beta parameter = constant = ', ff(1,1) |
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| 85 | IF(lwp) WRITE(numout,*) ' Coriolis parameter varies from ', ff(1,1),' to ', ff(1,jpj) |
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| 86 | |
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| 87 | CASE ( 5 ) ! beta-plane and rotated domain |
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| 88 | |
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| 89 | zbeta = 2. * omega * COS( rad * ppgphi0 ) / ra ! beta at latitude ppgphi0 |
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| 90 | zphi0 = 15.e0 ! latitude of the first row F-points |
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| 91 | zf0 = 2. * omega * SIN( rad * zphi0 ) ! compute f0 1st point south |
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| 92 | |
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| 93 | ff(:,:) = ( zf0 + zbeta * ABS( gphit(:,:) - zphi0 ) * rad * ra ) ! f = f0 +beta* y ( y=0 at south) |
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| 94 | |
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| 95 | IF(lwp) WRITE(numout,*) ' Beta-plane: Beta parameter = constant = ', ff(1,1) |
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| 96 | IF(lwp) WRITE(numout,*) ' Coriolis parameter varies from ', ff(1,1),' to ', ff(1,jpj) |
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| 97 | |
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| 98 | END SELECT |
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| 99 | |
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| 100 | END SUBROUTINE fcorio_1d |
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| 101 | |
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| 102 | |
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| 103 | SUBROUTINE dyn_cor_1d( kt ) |
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| 104 | !!---------------------------------------------------------------------- |
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| 105 | !! *** ROUTINE dyn_cor_1d *** |
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| 106 | !! |
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| 107 | !! ** Purpose : Compute the now total vorticity trend and add it to |
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| 108 | !! the general trend of the momentum equation |
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| 109 | !! |
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| 110 | !! ** Method : |
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| 111 | !! |
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| 112 | !! History : |
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| 113 | !! 9.0 ! 04-09 (C. Ethe) 1D configuration |
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| 114 | !!---------------------------------------------------------------------- |
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| 115 | !! * Arguments |
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| 116 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 117 | |
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| 118 | !! * Local declarations |
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| 119 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 120 | REAL(wp) :: & |
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| 121 | zua, zva ! temporary scalars |
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| 122 | |
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| 123 | !!---------------------------------------------------------------------- |
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| 124 | |
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| 125 | IF( kt == nit000 ) THEN |
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| 126 | IF(lwp) WRITE(numout,*) |
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| 127 | IF(lwp) WRITE(numout,*) 'dyn_cor_1d : total vorticity trend in 1D' |
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| 128 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~' |
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| 129 | ENDIF |
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| 130 | |
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| 131 | DO jk = 1, jpkm1 |
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| 132 | DO jj = 2, jpjm1 |
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| 133 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 134 | zua = ff(ji,jj) * vn(ji,jj,jk) |
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| 135 | zva = - ff(ji,jj) * un(ji,jj,jk) |
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| 136 | ua(ji,jj,jk) = ua(ji,jj,jk) + zua |
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| 137 | va(ji,jj,jk) = va(ji,jj,jk) + zva |
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| 138 | END DO |
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| 139 | END DO |
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| 140 | END DO |
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[321] | 141 | |
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| 142 | IF(ln_ctl) THEN |
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| 143 | CALL prt_ctl(tab3d_1=ua, clinfo1=' cor - Ua: ', mask1=umask, & |
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| 144 | & tab3d_2=va, clinfo2=' Va: ', mask2=vmask) |
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[253] | 145 | ENDIF |
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[321] | 146 | |
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| 147 | ! IF(l_ctl) THEN ! print sum trends (used for debugging) |
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| 148 | ! zua = SUM( ua(2:nictl,2:njctl,1:jpkm1) * umask(2:nictl,2:njctl,1:jpkm1) ) |
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| 149 | ! zva = SUM( va(2:nictl,2:njctl,1:jpkm1) * vmask(2:nictl,2:njctl,1:jpkm1) ) |
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| 150 | ! WRITE(numout,*) ' cor - Ua: ', zua-u_ctl, ' Va: ', zva-v_ctl |
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| 151 | ! u_ctl = zua ; v_ctl = zva |
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| 152 | ! ENDIF |
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| 153 | |
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[253] | 154 | END SUBROUTINE dyn_cor_1d |
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| 155 | |
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| 156 | #else |
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| 157 | !!---------------------------------------------------------------------- |
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| 158 | !! Default key NO 1D Config |
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| 159 | !!---------------------------------------------------------------------- |
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| 160 | CONTAINS |
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| 161 | SUBROUTINE fcorio_1d ! Empty routine |
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| 162 | END SUBROUTINE fcorio_1d |
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| 163 | SUBROUTINE dyn_cor_1d ( kt ) |
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| 164 | WRITE(*,*) 'dyn_cor_1d: You should not have seen this print! error?', kt |
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| 165 | END SUBROUTINE dyn_cor_1d |
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| 166 | #endif |
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| 167 | |
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| 168 | !!===================================================================== |
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| 169 | END MODULE dyncor1d |
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