[7200] | 1 | MODULE depth_e3 |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE depth_e3 *** |
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| 4 | !! |
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| 5 | !! zgr : vertical coordinate system |
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| 6 | !!====================================================================== |
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| 7 | !! History : 4.0 ! 2016-11 (S. Flavoni, G. Madec) Original code |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! depth_to_e3 : use the depth of t- and w-points to calculate e3t & e3w |
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| 12 | !! (generic interface for 1D and 3D fields) |
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| 13 | !! e3_to_depth : use e3t & e3w to calculate the depth of t- and w-points |
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| 14 | !! (generic interface for 1D and 3D fields) |
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| 15 | !!--------------------------------------------------------------------- |
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| 16 | USE oce ! ocean variables |
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| 17 | USE dom_oce ! ocean domain |
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| 18 | ! |
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| 19 | USE in_out_manager ! I/O manager |
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| 20 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 21 | USE lib_mpp ! distributed memory computing library |
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| 22 | USE timing ! Timing |
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| 23 | |
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| 24 | IMPLICIT NONE |
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| 25 | PRIVATE |
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| 26 | |
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| 27 | INTERFACE depth_to_e3 |
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| 28 | MODULE PROCEDURE depth_to_e3_1d, depth_to_e3_3d |
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| 29 | END INTERFACE |
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| 30 | |
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| 31 | INTERFACE e3_to_depth |
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| 32 | MODULE PROCEDURE e3_to_depth_1d, e3_to_depth_3d |
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| 33 | END INTERFACE |
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| 34 | |
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| 35 | PUBLIC depth_to_e3 ! called by usrdef_zgr |
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| 36 | PUBLIC e3_to_depth ! called by domzgr.F90 |
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| 37 | |
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| 38 | !!---------------------------------------------------------------------- |
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[9598] | 39 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[7200] | 40 | !! $Id$ |
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[10068] | 41 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[7200] | 42 | !!---------------------------------------------------------------------- |
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| 43 | CONTAINS |
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| 44 | |
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| 45 | SUBROUTINE depth_to_e3_1d( pdept_1d, pdepw_1d, pe3t_1d, pe3w_1d ) |
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| 46 | !!--------------------------------------------------------------------- |
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| 47 | !! *** ROUTINE depth_to_e3_1d *** |
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| 48 | !! |
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| 49 | !! ** Purpose : compute e3t & e3w scale factors from t- & w-depths of model levels |
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| 50 | !! |
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| 51 | !! ** Method : The scale factors are given by the discrete derivative |
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| 52 | !! of the depth: |
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| 53 | !! e3w(jk) = dk[ dept_1d ] |
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| 54 | !! e3t(jk) = dk[ depw_1d ] |
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| 55 | !! with, at top and bottom : |
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| 56 | !! e3w( 1 ) = 2 * ( dept( 1 ) - depw( 1 ) ) |
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| 57 | !! e3t(jpk) = 2 * ( dept(jpk) - depw(jpk) ) |
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| 58 | !! |
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| 59 | !! ** Action : - pe3t_1d , pe3w_1d : scale factors at T- and W-levels (m) |
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| 60 | !!---------------------------------------------------------------------- |
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| 61 | REAL(wp), DIMENSION(:), INTENT(in ) :: pdept_1d, pdepw_1d ! depths [m] |
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| 62 | REAL(wp), DIMENSION(:), INTENT( out) :: pe3t_1d , pe3w_1d ! e3.=dk[depth] [m] |
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| 63 | ! |
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| 64 | INTEGER :: jk ! dummy loop indices |
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| 65 | !!---------------------------------------------------------------------- |
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| 66 | ! |
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| 67 | ! use pdep. at w- and t-points to compute e3. (e3. = dk[depth]) |
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| 68 | ! |
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| 69 | pe3w_1d( 1 ) = 2._wp * ( pdept_1d(1) - pdepw_1d(1) ) |
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| 70 | DO jk = 1, jpkm1 |
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| 71 | pe3w_1d(jk+1) = pdept_1d(jk+1) - pdept_1d(jk) |
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| 72 | pe3t_1d(jk ) = pdepw_1d(jk+1) - pdepw_1d(jk) |
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| 73 | END DO |
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| 74 | pe3t_1d(jpk) = 2._wp * ( pdept_1d(jpk) - pdepw_1d(jpk) ) |
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| 75 | ! |
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| 76 | END SUBROUTINE depth_to_e3_1d |
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| 77 | |
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| 78 | |
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| 79 | SUBROUTINE depth_to_e3_3d( pdept_3d, pdepw_3d, pe3t_3d, pe3w_3d ) |
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| 80 | !!--------------------------------------------------------------------- |
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| 81 | !! *** ROUTINE depth_to_e3_3d *** |
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| 82 | !! |
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| 83 | !! ** Purpose : compute e3t & e3w scale factors from t- & w-depths of model levels |
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| 84 | !! |
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| 85 | !! ** Method : The scale factors are given by the discrete derivative |
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| 86 | !! of the depth: |
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| 87 | !! e3w(jk) = dk[ dept_1d ] |
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| 88 | !! e3t(jk) = dk[ depw_1d ] |
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| 89 | !! with, at top and bottom : |
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| 90 | !! e3w( 1 ) = 2 * ( dept( 1 ) - depw( 1 ) ) |
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| 91 | !! e3t(jpk) = 2 * ( dept(jpk) - depw(jpk) ) |
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| 92 | !! |
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| 93 | !! ** Action : - pe3t_1d , pe3w_1d : scale factors at T- and W-levels (m) |
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| 94 | !!---------------------------------------------------------------------- |
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| 95 | REAL(wp), DIMENSION(:,:,:), INTENT(in ) :: pdept_3d, pdepw_3d ! depth [m] |
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| 96 | REAL(wp), DIMENSION(:,:,:), INTENT( out) :: pe3t_3d , pe3w_3d ! e3.=dk[depth] [m] |
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| 97 | ! |
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| 98 | INTEGER :: jk ! dummy loop indices |
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| 99 | !!---------------------------------------------------------------------- |
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| 100 | pe3w_3d(:,:, 1 ) = 2._wp * ( pdept_3d(:,:,1) - pdepw_3d(:,:,1) ) |
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| 101 | DO jk = 1, jpkm1 |
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| 102 | pe3w_3d(:,:,jk+1) = pdept_3d(:,:,jk+1) - pdept_3d(:,:,jk) |
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| 103 | pe3t_3d(:,:,jk ) = pdepw_3d(:,:,jk+1) - pdepw_3d(:,:,jk) |
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| 104 | END DO |
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| 105 | pe3t_3d(:,:,jpk) = 2._wp * ( pdept_3d(:,:,jpk) - pdepw_3d(:,:,jpk) ) |
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| 106 | ! |
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| 107 | END SUBROUTINE depth_to_e3_3d |
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| 108 | |
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| 109 | |
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| 110 | SUBROUTINE e3_to_depth_1d( pe3t_1d, pe3w_1d, pdept_1d, pdepw_1d ) |
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| 111 | !!--------------------------------------------------------------------- |
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| 112 | !! *** ROUTINE e3_to_depth_1d *** |
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| 113 | !! |
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| 114 | !! ** Purpose : compute t- & w-depths of model levels from e3t & e3w scale factors |
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| 115 | !! |
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| 116 | !! ** Method : The t- & w-depth are given by the summation of e3w & e3t, resp. |
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| 117 | !! |
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| 118 | !! ** Action : - pe3t_1d, pe3w_1d : scale factor of t- and w-point (m) |
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| 119 | !!---------------------------------------------------------------------- |
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| 120 | REAL(wp), DIMENSION(:), INTENT(in ) :: pe3t_1d , pe3w_1d ! vert. scale factors [m] |
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| 121 | REAL(wp), DIMENSION(:), INTENT( out) :: pdept_1d, pdepw_1d ! depth = SUM( e3 ) [m] |
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| 122 | ! |
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| 123 | INTEGER :: jk ! dummy loop indices |
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| 124 | !!---------------------------------------------------------------------- |
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[7485] | 125 | ! |
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| 126 | pdepw_1d(1) = 0.0_wp |
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[7200] | 127 | pdept_1d(1) = 0.5_wp * pe3w_1d(1) |
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[7485] | 128 | DO jk = 2, jpk |
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[7200] | 129 | pdepw_1d(jk) = pdepw_1d(jk-1) + pe3t_1d(jk-1) |
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| 130 | pdept_1d(jk) = pdept_1d(jk-1) + pe3w_1d(jk ) |
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| 131 | END DO |
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| 132 | ! |
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| 133 | END SUBROUTINE e3_to_depth_1d |
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| 134 | |
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| 135 | |
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| 136 | SUBROUTINE e3_to_depth_3d( pe3t_3d, pe3w_3d, pdept_3d, pdepw_3d ) |
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| 137 | !!--------------------------------------------------------------------- |
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| 138 | !! *** ROUTINE e3_to_depth_3d *** |
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| 139 | !! |
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| 140 | !! ** Purpose : compute t- & w-depths of model levels from e3t & e3w scale factors |
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| 141 | !! |
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| 142 | !! ** Method : The t- & w-depth are given by the summation of e3w & e3t, resp. |
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| 143 | !! |
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| 144 | !! ** Action : - pe3t_1d, pe3w_1d : scale factor of t- and w-point (m) |
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| 145 | !!---------------------------------------------------------------------- |
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| 146 | REAL(wp), DIMENSION(:,:,:), INTENT(in ) :: pe3t_3d , pe3w_3d ! vert. scale factors [m] |
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| 147 | REAL(wp), DIMENSION(:,:,:), INTENT( out) :: pdept_3d, pdepw_3d ! depth = SUM( e3 ) [m] |
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| 148 | ! |
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[7753] | 149 | INTEGER :: jk ! dummy loop indices |
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[7200] | 150 | !!---------------------------------------------------------------------- |
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[7485] | 151 | ! |
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[7753] | 152 | pdepw_3d(:,:,1) = 0.0_wp |
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| 153 | pdept_3d(:,:,1) = 0.5_wp * pe3w_3d(:,:,1) |
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[7485] | 154 | DO jk = 2, jpk |
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[7753] | 155 | pdepw_3d(:,:,jk) = pdepw_3d(:,:,jk-1) + pe3t_3d(:,:,jk-1) |
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| 156 | pdept_3d(:,:,jk) = pdept_3d(:,:,jk-1) + pe3w_3d(:,:,jk ) |
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[7200] | 157 | END DO |
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| 158 | ! |
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| 159 | END SUBROUTINE e3_to_depth_3d |
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| 160 | |
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| 161 | !!====================================================================== |
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| 162 | END MODULE depth_e3 |
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