[4213] | 1 | !---------------------------------------------------------------------- |
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| 2 | ! NEMO system team, System and Interface for oceanic RElocable Nesting |
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| 3 | !---------------------------------------------------------------------- |
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| 4 | ! |
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| 5 | ! MODULE: vgrid |
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| 6 | ! |
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| 7 | ! DESCRIPTION: |
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[5037] | 8 | !> @brief This module manage vertical grid. |
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[4213] | 9 | !> |
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| 10 | !> @details |
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[5037] | 11 | !> to set the depth of model levels and the resulting vertical scale |
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| 12 | !> factors:<br/> |
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| 13 | !> @code |
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| 14 | !> CALL vgrid_zgr_z(dd_gdepw(:), dd_gdept(:), dd_e3w(:), dd_e3t(:), |
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| 15 | !> dd_ppkth, dd_ppkth2, dd_ppacr, dd_ppacr2, |
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| 16 | !> dd_ppdzmin, dd_pphmax, dd_pp_to_be_computed, |
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| 17 | !> dd_ppa0, dd_ppa1, dd_ppa2, dd_ppsur) |
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| 18 | !> @endcode |
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| 19 | !> - dd_gdepw is array of depth value on W point |
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| 20 | !> - dd_gdept is array of depth value on T point |
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| 21 | !> - dd_e3w is array of vertical mesh size on W point |
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| 22 | !> - dd_e3t is array of vertical mesh size on T point |
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| 23 | !> - dd_ppkth see NEMO documentation |
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| 24 | !> - dd_ppkth2 see NEMO documentation |
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| 25 | !> - dd_ppacr see NEMO documentation |
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| 26 | !> - dd_ppdzmin see NEMO documentation |
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| 27 | !> - dd_pphmax see NEMO documentation |
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| 28 | !> - dd_pp_to_be_computed see NEMO documentation |
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| 29 | !> - dd_ppa1 see NEMO documentation |
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| 30 | !> - dd_ppa2 see NEMO documentation |
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| 31 | !> - dd_ppa0 see NEMO documentation |
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| 32 | !> - dd_ppsur see NEMO documentation |
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| 33 | !> |
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[4213] | 34 | !> |
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[5037] | 35 | !> to set the depth and vertical scale factor in partial step z-coordinate |
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| 36 | !> case:<br/> |
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| 37 | !> @code |
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| 38 | !> CALL vgrid_zgr_zps(id_mbathy(:,:), dd_bathy(:,:), id_jpkmax, dd_gdepw(:), |
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| 39 | !> dd_e3t(:), dd_e3zps_min, dd_e3zps_rat) |
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| 40 | !> @endcode |
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| 41 | !> - id_mbathy is array of bathymetry level |
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| 42 | !> - dd_bathy is array of bathymetry |
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| 43 | !> - id_jpkmax is the maximum number of level to be used |
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| 44 | !> - dd_gdepw is array of vertical mesh size on W point |
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| 45 | !> - dd_e3t is array of vertical mesh size on T point |
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| 46 | !> - dd_e3zps_min see NEMO documentation |
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| 47 | !> - dd_e3zps_rat see NEMO documentation |
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| 48 | !> |
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| 49 | !> to check the bathymetry in levels:<br/> |
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| 50 | !> @code |
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| 51 | !> CALL vgrid_zgr_bat_ctl(id_mbathy, id_jpkmax, id_jpk) |
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| 52 | !> @endcode |
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| 53 | !> - id_mbathy is array of bathymetry level |
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| 54 | !> - id_jpkmax is the maximum number of level to be used |
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| 55 | !> - id_jpk is the number of level |
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| 56 | !> |
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| 57 | !> to compute bathy level in T,U,V,F point from Bathymetry file:<br/> |
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| 58 | !> @code |
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| 59 | !> tl_level(:)=vgrid_get_level(td_bathy, [cd_namelist,] [td_dom,] [id_nlevel]) |
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| 60 | !> @endcode |
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| 61 | !> - td_bathy is Bathymetry file structure |
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| 62 | !> - cd_namelist is namelist [optional] |
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| 63 | !> - td_dom is domain structure [optional] |
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| 64 | !> - id_nlevel is number of lelvel to be used [optional] |
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| 65 | !> |
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[4213] | 66 | !> @author |
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| 67 | !> J.Paul |
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| 68 | ! REVISION HISTORY: |
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[5037] | 69 | !> @date November, 2013 - Initial Version |
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| 70 | !> @date Spetember, 2014 |
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| 71 | !> - add header |
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| 72 | !> |
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[4213] | 73 | !> @note Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 74 | !---------------------------------------------------------------------- |
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| 75 | MODULE vgrid |
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[5037] | 76 | USE netcdf ! nf90 library |
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[4213] | 77 | USE kind ! F90 kind parameter |
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| 78 | USE fct ! basic usefull function |
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| 79 | USE global ! global parameter |
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| 80 | USE phycst ! physical constant |
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[5037] | 81 | USE logger ! log file manager |
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[4213] | 82 | USE file ! file manager |
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| 83 | USE var ! variable manager |
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| 84 | USE dim ! dimension manager |
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| 85 | USE dom ! domain manager |
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[5037] | 86 | USE grid ! grid manager |
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[4213] | 87 | USE iom ! I/O manager |
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| 88 | USE mpp ! MPP manager |
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| 89 | USE iom_mpp ! I/O MPP manager |
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| 90 | IMPLICIT NONE |
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| 91 | ! NOTE_avoid_public_variables_if_possible |
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| 92 | |
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| 93 | ! type and variable |
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| 94 | |
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| 95 | ! function and subroutine |
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| 96 | PUBLIC :: vgrid_zgr_z |
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| 97 | PUBLIC :: vgrid_zgr_zps |
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| 98 | PUBLIC :: vgrid_zgr_bat_ctl |
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| 99 | PUBLIC :: vgrid_get_level |
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| 100 | |
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| 101 | CONTAINS |
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| 102 | !------------------------------------------------------------------- |
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| 103 | !> @brief This subroutine set the depth of model levels and the resulting |
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| 104 | !> vertical scale factors. |
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| 105 | ! |
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| 106 | !> @details |
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| 107 | !> ** Method : z-coordinate system (use in all type of coordinate) |
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| 108 | !> The depth of model levels is defined from an analytical |
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| 109 | !> function the derivative of which gives the scale factors. |
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| 110 | !> both depth and scale factors only depend on k (1d arrays). <\br> |
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| 111 | !> w-level: gdepw = fsdep(k) <\br> |
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| 112 | !> e3w(k) = dk(fsdep)(k) = fse3(k) <\br> |
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| 113 | !> t-level: gdept = fsdep(k+0.5) <\br> |
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| 114 | !> e3t(k) = dk(fsdep)(k+0.5) = fse3(k+0.5) <\br> |
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| 115 | !> |
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| 116 | !> ** Action : - gdept, gdepw : depth of T- and W-point (m) <\br> |
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| 117 | !> - e3t, e3w : scale factors at T- and W-levels (m) <\br> |
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| 118 | !> |
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| 119 | !> @author G. Madec |
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| 120 | !> - 03,08- G. Madec: F90: Free form and module |
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| 121 | ! |
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| 122 | !> @note Reference : Marti, Madec & Delecluse, 1992, JGR, 97, No8, 12,763-12,766. |
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| 123 | !> |
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| 124 | !> @param[inout] dd_gdepw |
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| 125 | !> @param[inout] dd_gedpt |
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| 126 | !> @param[inout] dd_e3w |
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| 127 | !> @param[inout] dd_e2t |
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| 128 | !> @param[in] dd_ppkth |
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| 129 | !> @param[in] dd_ppkth2 |
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| 130 | !> @param[in] dd_ppacr |
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| 131 | !> @param[in] dd_ppacr2 |
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| 132 | !> @param[in] dd_ppdzmin |
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| 133 | !> @param[in] dd_pphmax |
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| 134 | !> @param[in] dd_pp_to_be_computed |
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| 135 | !> @param[in] dd_ppa1 |
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| 136 | !> @param[in] dd_ppa2 |
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| 137 | !> @param[in] dd_ppa0 |
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| 138 | !> @param[in] dd_ppsur |
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| 139 | !------------------------------------------------------------------- |
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| 140 | SUBROUTINE vgrid_zgr_z( dd_gdepw, dd_gdept, dd_e3w, dd_e3t, & |
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| 141 | & dd_ppkth, dd_ppkth2, dd_ppacr, dd_ppacr2, & |
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| 142 | & dd_ppdzmin, dd_pphmax, dd_pp_to_be_computed, & |
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| 143 | & dd_ppa0, dd_ppa1, dd_ppa2, dd_ppsur ) |
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| 144 | IMPLICIT NONE |
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| 145 | ! Argument |
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| 146 | REAL(dp), DIMENSION(:), INTENT(INOUT) :: dd_gdepw |
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| 147 | REAL(dp), DIMENSION(:), INTENT(INOUT) :: dd_gdept |
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| 148 | REAL(dp), DIMENSION(:), INTENT(INOUT) :: dd_e3w |
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| 149 | REAL(dp), DIMENSION(:), INTENT(INOUT) :: dd_e3t |
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| 150 | |
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| 151 | REAL(dp) , INTENT(IN ) :: dd_ppkth |
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| 152 | REAL(dp) , INTENT(IN ) :: dd_ppkth2 |
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| 153 | REAL(dp) , INTENT(IN ) :: dd_ppacr |
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| 154 | REAL(dp) , INTENT(IN ) :: dd_ppacr2 |
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| 155 | |
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| 156 | REAL(dp) , INTENT(IN ) :: dd_ppdzmin |
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| 157 | REAL(dp) , INTENT(IN ) :: dd_pphmax |
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| 158 | REAL(dp) , INTENT(IN ) :: dd_pp_to_be_computed |
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| 159 | |
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| 160 | REAL(dp) , INTENT(IN ) :: dd_ppa0 |
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| 161 | REAL(dp) , INTENT(IN ) :: dd_ppa1 |
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| 162 | REAL(dp) , INTENT(IN ) :: dd_ppa2 |
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| 163 | REAL(dp) , INTENT(IN ) :: dd_ppsur |
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| 164 | |
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| 165 | ! local variable |
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| 166 | REAL(dp) :: dl_zkth |
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| 167 | REAL(dp) :: dl_zkth2 |
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| 168 | REAL(dp) :: dl_zdzmin |
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| 169 | REAL(dp) :: dl_zhmax |
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| 170 | REAL(dp) :: dl_zacr |
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| 171 | REAL(dp) :: dl_zacr2 |
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| 172 | |
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| 173 | REAL(dp) :: dl_ppacr |
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| 174 | REAL(dp) :: dl_ppacr2 |
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| 175 | |
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| 176 | REAL(dp) :: dl_za0 |
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| 177 | REAL(dp) :: dl_za1 |
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| 178 | REAL(dp) :: dl_za2 |
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| 179 | REAL(dp) :: dl_zsur |
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| 180 | REAL(dp) :: dl_zw |
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| 181 | REAL(dp) :: dl_zt |
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| 182 | |
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| 183 | INTEGER(i4) :: il_jpk |
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| 184 | |
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| 185 | ! loop indices |
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| 186 | INTEGER(i4) :: jk |
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| 187 | !---------------------------------------------------------------- |
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| 188 | |
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| 189 | dl_ppacr = dd_ppacr |
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| 190 | IF( dd_ppa1 == 0._dp ) dl_ppacr =1.0 |
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| 191 | dl_ppacr2= dd_ppacr2 |
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| 192 | IF( dd_ppa2 == 0._dp ) dl_ppacr2=1.0 |
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| 193 | |
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| 194 | ! Set variables from parameters |
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| 195 | ! ------------------------------ |
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| 196 | dl_zkth = dd_ppkth ; dl_zacr = dl_ppacr |
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| 197 | dl_zdzmin = dd_ppdzmin ; dl_zhmax = dd_pphmax |
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| 198 | dl_zkth2 = dd_ppkth2 ; dl_zacr2 = dl_ppacr2 |
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| 199 | |
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| 200 | il_jpk = SIZE(dd_gdepw(:)) |
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| 201 | |
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| 202 | ! If ppa1 and ppa0 and ppsur are et to pp_to_be_computed |
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| 203 | ! za0, za1, zsur are computed from ppdzmin , pphmax, ppkth, ppacr |
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| 204 | ! |
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| 205 | IF( dd_ppa1 == dd_pp_to_be_computed .AND. & |
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| 206 | & dd_ppa0 == dd_pp_to_be_computed .AND. & |
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| 207 | & dd_ppsur == dd_pp_to_be_computed ) THEN |
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| 208 | dl_za1 = ( dl_zdzmin - dl_zhmax / REAL((il_jpk-1),dp) ) & |
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| 209 | & / ( TANH((1-dl_zkth)/dl_zacr) - dl_zacr/REAL((il_jpk-1),dp) & |
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| 210 | & * ( LOG( COSH( (REAL(il_jpk,dp) - dl_zkth) / dl_zacr) ) & |
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| 211 | & - LOG( COSH(( 1.0 - dl_zkth) / dl_zacr) ) ) ) |
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| 212 | |
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| 213 | dl_za0 = dl_zdzmin - dl_za1 * TANH( (1.0-dl_zkth) / dl_zacr ) |
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| 214 | dl_zsur = - dl_za0 - dl_za1 * dl_zacr * LOG( COSH( (1-dl_zkth) / dl_zacr ) ) |
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| 215 | |
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| 216 | ELSE |
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| 217 | dl_za1 = dd_ppa1 ; dl_za0 = dd_ppa0 ; dl_zsur = dd_ppsur |
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| 218 | dl_za2 = dd_ppa2 |
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| 219 | ENDIF |
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| 220 | |
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| 221 | ! Reference z-coordinate (depth - scale factor at T- and W-points) |
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| 222 | ! ====================== |
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| 223 | IF( dd_ppkth == 0. )THEN ! uniform vertical grid |
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| 224 | |
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| 225 | dl_za1 = dl_zhmax/REAL((il_jpk-1),dp) |
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| 226 | DO jk = 1, il_jpk |
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| 227 | dl_zw = REAL(jk,dp) |
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| 228 | dl_zt = REAL(jk,dp) + 0.5 |
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| 229 | dd_gdepw(jk) = ( dl_zw - 1.0 ) * dl_za1 |
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| 230 | dd_gdept(jk) = ( dl_zt - 1.0 ) * dl_za1 |
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| 231 | dd_e3w (jk) = dl_za1 |
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| 232 | dd_e3t (jk) = dl_za1 |
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| 233 | END DO |
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| 234 | |
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| 235 | ELSE |
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| 236 | |
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| 237 | DO jk = 1, il_jpk |
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| 238 | dl_zw = REAL( jk,dp) |
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| 239 | dl_zt = REAL( jk,dp) + 0.5 |
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| 240 | dd_gdepw(jk) = ( dl_zsur + dl_za0 * dl_zw + & |
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| 241 | & dl_za1 * dl_zacr * LOG( COSH( (dl_zw-dl_zkth)/dl_zacr ) ) + & |
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| 242 | & dl_za2 * dl_zacr2* LOG( COSH( (dl_zw-dl_zkth2)/dl_zacr2 ) ) ) |
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| 243 | dd_gdept(jk) = ( dl_zsur + dl_za0 * dl_zt + & |
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| 244 | & dl_za1 * dl_zacr * LOG( COSH( (dl_zt-dl_zkth)/dl_zacr ) ) + & |
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| 245 | & dl_za2 * dl_zacr2* LOG( COSH( (dl_zt-dl_zkth2)/dl_zacr2 ) ) ) |
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| 246 | dd_e3w (jk) = dl_za0 + & |
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| 247 | & dl_za1 * TANH( (dl_zw-dl_zkth)/dl_zacr ) + & |
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| 248 | & dl_za2 * TANH( (dl_zw-dl_zkth2)/dl_zacr2 ) |
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| 249 | dd_e3t (jk) = dl_za0 + & |
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| 250 | & dl_za1 * TANH( (dl_zt-dl_zkth)/dl_zacr ) + & |
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| 251 | & dl_za2 * TANH( (dl_zt-dl_zkth2)/dl_zacr2 ) |
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| 252 | END DO |
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| 253 | dd_gdepw(1) = 0.e0 ! force first w-level to be exactly at zero |
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| 254 | |
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| 255 | ENDIF |
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| 256 | |
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| 257 | ! Control and print |
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| 258 | ! ================== |
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| 259 | |
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| 260 | DO jk = 1, il_jpk |
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| 261 | IF( dd_e3w(jk) <= 0. .OR. dd_e3t(jk) <= 0. )then |
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| 262 | CALL logger_debug("VGRID ZGR Z: e3w or e3t =< 0 ") |
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| 263 | ENDIF |
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| 264 | |
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| 265 | IF( dd_gdepw(jk) < 0. .OR. dd_gdept(jk) < 0. )then |
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| 266 | CALL logger_debug("VGRID ZGR Z: gdepw or gdept < 0 ") |
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| 267 | ENDIF |
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| 268 | END DO |
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| 269 | |
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| 270 | END SUBROUTINE vgrid_zgr_z |
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| 271 | !------------------------------------------------------------------- |
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| 272 | !> @brief This subroutine set the depth and vertical scale factor in partial step |
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| 273 | !> z-coordinate case |
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| 274 | ! |
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| 275 | !> @details |
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| 276 | !> ** Method : Partial steps : computes the 3D vertical scale factors |
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| 277 | !> of T-, U-, V-, W-, UW-, VW and F-points that are associated with |
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| 278 | !> a partial step representation of bottom topography. |
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| 279 | !> |
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| 280 | !> The reference depth of model levels is defined from an analytical |
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| 281 | !> function the derivative of which gives the reference vertical |
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| 282 | !> scale factors. |
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[5037] | 283 | !> From depth and scale factors reference, we compute there new value |
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[4213] | 284 | !> with partial steps on 3d arrays ( i, j, k ). |
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| 285 | !> |
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[5037] | 286 | !> w-level: |
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| 287 | !> - gdepw_ps(i,j,k) = fsdep(k) |
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| 288 | !> - e3w_ps(i,j,k) = dk(fsdep)(k) = fse3(i,j,k) |
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| 289 | !> t-level: |
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| 290 | !> - gdept_ps(i,j,k) = fsdep(k+0.5) |
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| 291 | !> - e3t_ps(i,j,k) = dk(fsdep)(k+0.5) = fse3(i,j,k+0.5) |
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[4213] | 292 | !> |
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[5037] | 293 | !> With the help of the bathymetric file ( bathymetry_depth_ORCA_R2.nc), |
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[4213] | 294 | !> we find the mbathy index of the depth at each grid point. |
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| 295 | !> This leads us to three cases: |
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[5037] | 296 | !> - bathy = 0 => mbathy = 0 |
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| 297 | !> - 1 < mbathy < jpkm1 |
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| 298 | !> - bathy > gdepw(jpk) => mbathy = jpkm1 |
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[4213] | 299 | !> |
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[5037] | 300 | !> Then, for each case, we find the new depth at t- and w- levels |
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[4213] | 301 | !> and the new vertical scale factors at t-, u-, v-, w-, uw-, vw- |
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| 302 | !> and f-points. |
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| 303 | !> |
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| 304 | !> This routine is given as an example, it must be modified |
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| 305 | !> following the user s desiderata. nevertheless, the output as |
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| 306 | !> well as the way to compute the model levels and scale factors |
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| 307 | !> must be respected in order to insure second order accuracy |
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| 308 | !> schemes. |
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| 309 | !> |
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[5037] | 310 | !> @warning |
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| 311 | !> - gdept, gdepw and e3 are positives |
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| 312 | !> - gdept_ps, gdepw_ps and e3_ps are positives |
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[4213] | 313 | ! |
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| 314 | !> @author A. Bozec, G. Madec |
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| 315 | !> - 02-09 (A. Bozec, G. Madec) F90: Free form and module |
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| 316 | !> - 02-09 (A. de Miranda) rigid-lid + islands |
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| 317 | !> |
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| 318 | !> @note Reference : Pacanowsky & Gnanadesikan 1997, Mon. Wea. Rev., 126, 3248-3270. |
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| 319 | !> |
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| 320 | !> @param[inout] id_mbathy |
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| 321 | !> @param[inout] dd_bathy |
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| 322 | !> @param[inout] id_jpkmax |
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| 323 | !> @param[in] dd_gdepw |
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| 324 | !> @param[in] dd_e3t |
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| 325 | !> @param[in] dd_e3zps_min |
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| 326 | !> @param[in] dd_e3zps_rat |
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| 327 | !------------------------------------------------------------------- |
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| 328 | SUBROUTINE vgrid_zgr_zps( id_mbathy, dd_bathy, id_jpkmax, & |
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| 329 | & dd_gdepw, dd_e3t, & |
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| 330 | & dd_e3zps_min, dd_e3zps_rat ) |
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| 331 | IMPLICIT NONE |
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| 332 | ! Argument |
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| 333 | INTEGER(i4), DIMENSION(:,:), INTENT( OUT) :: id_mbathy |
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| 334 | REAL(dp) , DIMENSION(:,:), INTENT(INOUT) :: dd_bathy |
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| 335 | INTEGER(i4) , INTENT(INOUT) :: id_jpkmax |
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| 336 | REAL(dp) , DIMENSION(:) , INTENT(IN ) :: dd_gdepw |
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| 337 | REAL(dp) , DIMENSION(:) , INTENT(IN ) :: dd_e3t |
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| 338 | REAL(dp) :: dd_e3zps_min |
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| 339 | REAL(dp) :: dd_e3zps_rat |
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| 340 | |
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| 341 | ! local variable |
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| 342 | REAL(dp) :: dl_zmax ! Maximum depth |
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| 343 | REAL(dp) :: dl_zmin ! Minimum depth |
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| 344 | REAL(dp) :: dl_zdepth ! Ajusted ocean depth to avoid too small e3t |
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| 345 | |
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| 346 | INTEGER(i4) :: il_jpk |
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| 347 | INTEGER(i4) :: il_jpkm1 |
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| 348 | INTEGER(i4) :: il_jpiglo |
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| 349 | INTEGER(i4) :: il_jpjglo |
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| 350 | |
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| 351 | ! loop indices |
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| 352 | INTEGER(i4) :: ji |
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| 353 | INTEGER(i4) :: jj |
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| 354 | INTEGER(i4) :: jk |
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| 355 | !---------------------------------------------------------------- |
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| 356 | |
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| 357 | il_jpk=SIZE(dd_gdepw(:)) |
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| 358 | il_jpiglo=SIZE(id_mbathy(:,:),DIM=1) |
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| 359 | il_jpjglo=SIZE(id_mbathy(:,:),DIM=2) |
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| 360 | |
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| 361 | ! Initialization of constant |
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| 362 | dl_zmax = dd_gdepw(il_jpk) + dd_e3t(il_jpk) |
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| 363 | dl_zmin = dd_gdepw(4) |
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| 364 | |
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| 365 | ! bathymetry in level (from bathy_meter) |
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| 366 | ! =================== |
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| 367 | il_jpkm1=il_jpk-1 |
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| 368 | ! initialize mbathy to the maximum ocean level available |
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| 369 | id_mbathy(:,:) = il_jpkm1 |
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| 370 | |
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| 371 | ! storage of land and island's number (zera and negative values) in mbathy |
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| 372 | DO jj = 1, il_jpjglo |
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| 373 | DO ji= 1, il_jpiglo |
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| 374 | IF( dd_bathy(ji,jj) <= 0. ) id_mbathy(ji,jj) = INT(dd_bathy(ji,jj),i4) |
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| 375 | END DO |
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| 376 | END DO |
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| 377 | |
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| 378 | ! bounded value of bathy |
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| 379 | ! minimum depth == 3 levels |
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| 380 | ! maximum depth == gdepw(jpk)+e3t(jpk) |
---|
| 381 | ! i.e. the last ocean level thickness cannot exceed e3t(jpkm1)+e3t(jpk) |
---|
| 382 | DO jj = 1, il_jpjglo |
---|
| 383 | DO ji= 1, il_jpiglo |
---|
| 384 | IF( dd_bathy(ji,jj) <= 0. ) THEN |
---|
| 385 | dd_bathy(ji,jj) = 0.e0 |
---|
| 386 | ELSE |
---|
| 387 | dd_bathy(ji,jj) = MAX( dd_bathy(ji,jj), dl_zmin ) |
---|
| 388 | dd_bathy(ji,jj) = MIN( dd_bathy(ji,jj), dl_zmax ) |
---|
| 389 | ENDIF |
---|
| 390 | END DO |
---|
| 391 | END DO |
---|
| 392 | |
---|
| 393 | ! Compute mbathy for ocean points (i.e. the number of ocean levels) |
---|
| 394 | ! find the number of ocean levels such that the last level thickness |
---|
| 395 | ! is larger than the minimum of e3zps_min and e3zps_rat * e3t (where |
---|
| 396 | ! e3t is the reference level thickness |
---|
| 397 | |
---|
| 398 | DO jk = il_jpkm1, 1, -1 |
---|
| 399 | dl_zdepth = dd_gdepw(jk) + MIN( dd_e3zps_min, dd_e3t(jk)*dd_e3zps_rat ) |
---|
| 400 | |
---|
| 401 | DO jj = 1, il_jpjglo |
---|
| 402 | DO ji = 1, il_jpiglo |
---|
| 403 | IF( 0. < dd_bathy(ji,jj) .AND. dd_bathy(ji,jj) <= dl_zdepth ) id_mbathy(ji,jj) = jk-1 |
---|
| 404 | END DO |
---|
| 405 | END DO |
---|
| 406 | END DO |
---|
| 407 | |
---|
| 408 | ! ================ |
---|
| 409 | ! Bathymetry check |
---|
| 410 | ! ================ |
---|
| 411 | |
---|
| 412 | CALL vgrid_zgr_bat_ctl( id_mbathy, id_jpkmax, il_jpk) |
---|
| 413 | |
---|
| 414 | END SUBROUTINE vgrid_zgr_zps |
---|
| 415 | !------------------------------------------------------------------- |
---|
| 416 | !> @brief This subroutine check the bathymetry in levels |
---|
| 417 | ! |
---|
| 418 | !> @details |
---|
| 419 | !> ** Method : The array mbathy is checked to verified its consistency |
---|
| 420 | !> with the model options. in particular: |
---|
| 421 | !> mbathy must have at least 1 land grid-points (mbathy<=0) |
---|
| 422 | !> along closed boundary. |
---|
| 423 | !> mbathy must be cyclic IF jperio=1. |
---|
| 424 | !> mbathy must be lower or equal to jpk-1. |
---|
| 425 | !> isolated ocean grid points are suppressed from mbathy |
---|
| 426 | !> since they are only connected to remaining |
---|
| 427 | !> ocean through vertical diffusion. |
---|
| 428 | !> C A U T I O N : mbathy will be modified during the initializa- |
---|
| 429 | !> tion phase to become the number of non-zero w-levels of a water |
---|
| 430 | !> column, with a minimum value of 1. |
---|
| 431 | !> |
---|
| 432 | !> ** Action : - update mbathy: level bathymetry (in level index) |
---|
| 433 | !> - update bathy : meter bathymetry (in meters) |
---|
| 434 | |
---|
| 435 | !> @author G.Madec |
---|
| 436 | !> - 03-08 Original code |
---|
| 437 | ! |
---|
[5037] | 438 | !> @param[in] id_mbathy |
---|
| 439 | !> @param[in] id_jpkmax |
---|
| 440 | !> @param[in] id_jpk |
---|
[4213] | 441 | !------------------------------------------------------------------- |
---|
| 442 | SUBROUTINE vgrid_zgr_bat_ctl( id_mbathy, id_jpkmax, id_jpk) |
---|
| 443 | IMPLICIT NONE |
---|
| 444 | ! Argument |
---|
| 445 | INTEGER(i4), DIMENSION(:,:), INTENT(INOUT) :: id_mbathy |
---|
| 446 | INTEGER(i4) , INTENT(INOUT) :: id_jpkmax |
---|
| 447 | INTEGER(i4) , INTENT(INOUT) :: id_jpk |
---|
| 448 | |
---|
| 449 | ! local variable |
---|
| 450 | INTEGER(i4) :: il_jpiglo |
---|
| 451 | INTEGER(i4) :: il_jpjglo |
---|
| 452 | |
---|
| 453 | INTEGER(i4) :: il_icompt |
---|
| 454 | INTEGER(i4) :: il_ibtest |
---|
| 455 | INTEGER(i4) :: il_ikmax |
---|
| 456 | INTEGER(i4) :: il_jpkm1 |
---|
| 457 | |
---|
| 458 | INTEGER(i4) :: il_jim |
---|
| 459 | INTEGER(i4) :: il_jip |
---|
| 460 | INTEGER(i4) :: il_jjm |
---|
| 461 | INTEGER(i4) :: il_jjp |
---|
| 462 | |
---|
| 463 | ! loop indices |
---|
| 464 | INTEGER(i4) :: jl |
---|
| 465 | INTEGER(i4) :: ji |
---|
| 466 | INTEGER(i4) :: jj |
---|
| 467 | !---------------------------------------------------------------- |
---|
| 468 | |
---|
| 469 | il_jpiglo=SIZE(id_mbathy(:,:),DIM=1) |
---|
| 470 | il_jpjglo=SIZE(id_mbathy(:,:),DIM=2) |
---|
| 471 | |
---|
| 472 | ! ================ |
---|
| 473 | ! Bathymetry check |
---|
| 474 | ! ================ |
---|
| 475 | |
---|
| 476 | ! suppress isolated ocean grid points' |
---|
| 477 | il_icompt = 0 |
---|
| 478 | |
---|
| 479 | DO jl = 1, 2 |
---|
| 480 | DO jj = 1, il_jpjglo |
---|
| 481 | DO ji = 1, il_jpiglo |
---|
| 482 | il_jim=max(ji-1,1) ; il_jip=min(ji+1,il_jpiglo) |
---|
| 483 | il_jjm=max(jj-1,1) ; il_jjp=min(jj+1,il_jpjglo) |
---|
| 484 | |
---|
| 485 | if(il_jim==ji) il_jim=il_jip ; if(il_jip==ji) il_jip=il_jim |
---|
| 486 | if(il_jjm==jj) il_jjm=il_jjp ; if(il_jjp==jj) il_jjp=il_jjm |
---|
| 487 | |
---|
| 488 | il_ibtest = MAX( id_mbathy(il_jim,jj), id_mbathy(il_jip,jj), & |
---|
| 489 | id_mbathy(ji,il_jjm),id_mbathy(ji,il_jjp) ) |
---|
| 490 | |
---|
| 491 | IF( il_ibtest < id_mbathy(ji,jj) ) THEN |
---|
| 492 | id_mbathy(ji,jj) = il_ibtest |
---|
| 493 | il_icompt = il_icompt + 1 |
---|
| 494 | ENDIF |
---|
| 495 | END DO |
---|
| 496 | END DO |
---|
| 497 | |
---|
| 498 | END DO |
---|
| 499 | IF( il_icompt == 0 ) THEN |
---|
| 500 | CALL logger_info("VGRID ZGR BAT CTL: no isolated ocean grid points") |
---|
| 501 | ELSE |
---|
| 502 | CALL logger_info("VGRID ZGR BAT CTL:"//TRIM(fct_str(il_icompt))//& |
---|
| 503 | & " ocean grid points suppressed") |
---|
| 504 | ENDIF |
---|
| 505 | |
---|
| 506 | id_mbathy(:,:) = MAX( 0, id_mbathy(:,:)) |
---|
| 507 | |
---|
| 508 | ! Number of ocean level inferior or equal to jpkm1 |
---|
| 509 | |
---|
| 510 | il_ikmax = 0 |
---|
| 511 | DO jj = 1, il_jpjglo |
---|
| 512 | DO ji = 1, il_jpiglo |
---|
| 513 | il_ikmax = MAX( il_ikmax, id_mbathy(ji,jj) ) |
---|
| 514 | END DO |
---|
| 515 | END DO |
---|
| 516 | |
---|
| 517 | id_jpkmax=id_jpk |
---|
| 518 | |
---|
| 519 | il_jpkm1=id_jpk-1 |
---|
| 520 | IF( il_ikmax > il_jpkm1 ) THEN |
---|
| 521 | CALL logger_error("VGRID ZGR BAT CTL: maximum number of ocean level = "//& |
---|
| 522 | & TRIM(fct_str(il_ikmax))//" > jpk-1."//& |
---|
| 523 | & " Change jpk to "//TRIM(fct_str(il_ikmax+1))//& |
---|
| 524 | & " to use the exact ead bathymetry" ) |
---|
| 525 | ELSE IF( il_ikmax < il_jpkm1 ) THEN |
---|
| 526 | id_jpkmax=il_ikmax+1 |
---|
| 527 | ENDIF |
---|
| 528 | |
---|
| 529 | END SUBROUTINE vgrid_zgr_bat_ctl |
---|
| 530 | !------------------------------------------------------------------- |
---|
[5037] | 531 | !> @brief This function compute bathy level in T,U,V,F point, and return |
---|
| 532 | !> them as array of variable structure |
---|
[4213] | 533 | ! |
---|
| 534 | !> @details |
---|
[5037] | 535 | !> Bathymetry is read on Bathymetry file, then bathy level is computed |
---|
| 536 | !> on T point, and finally fit to U,V,F point. |
---|
| 537 | !> |
---|
| 538 | !> you could specify :<br/> |
---|
| 539 | !> - namelist where find parameter to set the depth of model levels |
---|
| 540 | !> (default use GLORYS 75 levels parameters) |
---|
| 541 | !> - domain structure to specify on e area to work on |
---|
| 542 | !> - number of level to be used |
---|
| 543 | !> |
---|
[4213] | 544 | !> @author J.Paul |
---|
[5037] | 545 | !> - November, 2013- Initial Version |
---|
[4213] | 546 | ! |
---|
[5037] | 547 | !> @param[in] td_bathy Bathymetry file structure |
---|
| 548 | !> @param[in] cd_namelist namelist |
---|
| 549 | !> @param[in] td_dom domain structure |
---|
| 550 | !> @param[in] id_nlevel number of lelvel to be used |
---|
| 551 | !> @return array of level on T,U,V,F point (variable structure) |
---|
[4213] | 552 | !------------------------------------------------------------------- |
---|
| 553 | FUNCTION vgrid_get_level(td_bathy, cd_namelist, td_dom, id_nlevel) |
---|
| 554 | IMPLICIT NONE |
---|
| 555 | ! Argument |
---|
[5037] | 556 | TYPE(TMPP) , INTENT(IN) :: td_bathy |
---|
| 557 | CHARACTER(LEN=*), INTENT(IN), OPTIONAL :: cd_namelist |
---|
[4213] | 558 | TYPE(TDOM) , INTENT(IN), OPTIONAL :: td_dom |
---|
| 559 | INTEGER(i4) , INTENT(IN), OPTIONAL :: id_nlevel |
---|
| 560 | |
---|
| 561 | ! function |
---|
[5037] | 562 | TYPE(TVAR), DIMENSION(ip_npoint) :: vgrid_get_level |
---|
[4213] | 563 | |
---|
| 564 | ! local variable |
---|
| 565 | REAL(dp) , DIMENSION(:) , ALLOCATABLE :: dl_gdepw |
---|
| 566 | REAL(dp) , DIMENSION(:) , ALLOCATABLE :: dl_gdept |
---|
| 567 | REAL(dp) , DIMENSION(:) , ALLOCATABLE :: dl_e3w |
---|
| 568 | REAL(dp) , DIMENSION(:) , ALLOCATABLE :: dl_e3t |
---|
| 569 | |
---|
| 570 | INTEGER(i4) :: il_status |
---|
| 571 | INTEGER(i4) :: il_fileid |
---|
| 572 | INTEGER(i4) :: il_jpkmax |
---|
[5037] | 573 | INTEGER(i4), DIMENSION(2,2) :: il_xghost |
---|
[4213] | 574 | INTEGER(i4), DIMENSION(:,:) , ALLOCATABLE :: il_mbathy |
---|
| 575 | INTEGER(i4), DIMENSION(:,:,:,:), ALLOCATABLE :: il_level |
---|
| 576 | |
---|
| 577 | LOGICAL :: ll_exist |
---|
| 578 | |
---|
[5037] | 579 | TYPE(TDIM) , DIMENSION(ip_maxdim) :: tl_dim |
---|
| 580 | |
---|
| 581 | TYPE(TDOM) :: tl_dom |
---|
| 582 | |
---|
| 583 | TYPE(TVAR) :: tl_var |
---|
| 584 | |
---|
| 585 | TYPE(TMPP) :: tl_bathy |
---|
| 586 | |
---|
[4213] | 587 | ! loop indices |
---|
| 588 | INTEGER(i4) :: ji |
---|
| 589 | INTEGER(i4) :: jj |
---|
| 590 | |
---|
| 591 | INTEGER(i4) :: jip |
---|
| 592 | INTEGER(i4) :: jjp |
---|
| 593 | |
---|
| 594 | !namelist (intialise with GLORYS 75 levels parameters) |
---|
| 595 | REAL(dp) :: dn_pp_to_be_computed = 0._dp |
---|
| 596 | REAL(dp) :: dn_ppsur = -3958.951371276829_dp |
---|
| 597 | REAL(dp) :: dn_ppa0 = 103.9530096000000_dp |
---|
| 598 | REAL(dp) :: dn_ppa1 = 2.4159512690000_dp |
---|
| 599 | REAL(dp) :: dn_ppa2 = 100.7609285000000_dp |
---|
| 600 | REAL(dp) :: dn_ppkth = 15.3510137000000_dp |
---|
| 601 | REAL(dp) :: dn_ppkth2 = 48.0298937200000_dp |
---|
| 602 | REAL(dp) :: dn_ppacr = 7.0000000000000_dp |
---|
| 603 | REAL(dp) :: dn_ppacr2 = 13.000000000000_dp |
---|
| 604 | REAL(dp) :: dn_ppdzmin = 6._dp |
---|
| 605 | REAL(dp) :: dn_pphmax = 5750._dp |
---|
| 606 | INTEGER(i4) :: in_nlevel = 75 |
---|
| 607 | |
---|
| 608 | REAL(dp) :: dn_e3zps_min = 25._dp |
---|
| 609 | REAL(dp) :: dn_e3zps_rat = 0.2_dp |
---|
| 610 | !---------------------------------------------------------------- |
---|
| 611 | NAMELIST /namzgr/ & |
---|
| 612 | & dn_pp_to_be_computed, & |
---|
| 613 | & dn_ppsur, & |
---|
| 614 | & dn_ppa0, & |
---|
| 615 | & dn_ppa1, & |
---|
| 616 | & dn_ppa2, & |
---|
| 617 | & dn_ppkth, & |
---|
| 618 | & dn_ppkth2, & |
---|
| 619 | & dn_ppacr, & |
---|
| 620 | & dn_ppacr2, & |
---|
| 621 | & dn_ppdzmin, & |
---|
| 622 | & dn_pphmax, & |
---|
| 623 | & in_nlevel |
---|
| 624 | |
---|
| 625 | NAMELIST /namzps/ & |
---|
| 626 | & dn_e3zps_min, & |
---|
| 627 | & dn_e3zps_rat |
---|
| 628 | !---------------------------------------------------------------- |
---|
| 629 | |
---|
[5037] | 630 | IF( PRESENT(cd_namelist) )THEN |
---|
| 631 | !1- read namelist |
---|
| 632 | INQUIRE(FILE=TRIM(cd_namelist), EXIST=ll_exist) |
---|
| 633 | IF( ll_exist )THEN |
---|
[4213] | 634 | |
---|
[5037] | 635 | il_fileid=fct_getunit() |
---|
[4213] | 636 | |
---|
[5037] | 637 | OPEN( il_fileid, FILE=TRIM(cd_namelist), & |
---|
| 638 | & FORM='FORMATTED', & |
---|
| 639 | & ACCESS='SEQUENTIAL', & |
---|
| 640 | & STATUS='OLD', & |
---|
| 641 | & ACTION='READ', & |
---|
| 642 | & IOSTAT=il_status) |
---|
| 643 | CALL fct_err(il_status) |
---|
| 644 | IF( il_status /= 0 )THEN |
---|
| 645 | CALL logger_fatal("VGRID GET LEVEL: ERROR opening "//& |
---|
| 646 | & TRIM(cd_namelist)) |
---|
| 647 | ENDIF |
---|
[4213] | 648 | |
---|
[5037] | 649 | READ( il_fileid, NML = namzgr ) |
---|
| 650 | READ( il_fileid, NML = namzps ) |
---|
[4213] | 651 | |
---|
[5037] | 652 | CLOSE( il_fileid, IOSTAT=il_status ) |
---|
| 653 | CALL fct_err(il_status) |
---|
| 654 | IF( il_status /= 0 )THEN |
---|
| 655 | CALL logger_error("VGRID GET LEVELL: ERROR closing "//& |
---|
| 656 | & TRIM(cd_namelist)) |
---|
| 657 | ENDIF |
---|
[4213] | 658 | |
---|
[5037] | 659 | ELSE |
---|
[4213] | 660 | |
---|
[5037] | 661 | CALL logger_fatal("VGRID GET LEVEL: ERROR. can not find "//& |
---|
| 662 | & TRIM(cd_namelist)) |
---|
[4213] | 663 | |
---|
[5037] | 664 | ENDIF |
---|
[4213] | 665 | ENDIF |
---|
| 666 | |
---|
[5037] | 667 | ! copy structure |
---|
| 668 | tl_bathy=mpp_copy(td_bathy) |
---|
| 669 | |
---|
| 670 | ! get domain |
---|
[4213] | 671 | IF( PRESENT(td_dom) )THEN |
---|
[5037] | 672 | tl_dom=dom_copy(td_dom) |
---|
[4213] | 673 | ELSE |
---|
| 674 | CALL logger_debug("VGRID GET LEVEL: get dom from "//& |
---|
| 675 | & TRIM(tl_bathy%c_name)) |
---|
| 676 | tl_dom=dom_init(tl_bathy) |
---|
| 677 | ENDIF |
---|
| 678 | |
---|
[5037] | 679 | ! get ghoste cell |
---|
| 680 | il_xghost(:,:)=grid_get_ghost(tl_bathy) |
---|
[4213] | 681 | |
---|
[5037] | 682 | ! open mpp files |
---|
| 683 | CALL iom_dom_open(tl_bathy, tl_dom) |
---|
[4213] | 684 | |
---|
[5037] | 685 | ! check namelist |
---|
[4213] | 686 | IF( PRESENT(id_nlevel) ) in_nlevel=id_nlevel |
---|
| 687 | IF( in_nlevel == 0 )THEN |
---|
| 688 | CALL logger_fatal("VGRID GET LEVEL: number of level to be used "//& |
---|
| 689 | & "is not specify. check namelist.") |
---|
| 690 | ENDIF |
---|
| 691 | |
---|
[5037] | 692 | ! read bathymetry |
---|
| 693 | tl_var=iom_dom_read_var(tl_bathy,'bathymetry',tl_dom) |
---|
| 694 | ! clean |
---|
| 695 | CALL dom_clean(tl_dom) |
---|
[4213] | 696 | |
---|
[5037] | 697 | ! remove ghost cell |
---|
| 698 | CALL grid_del_ghost(tl_var, il_xghost(:,:)) |
---|
| 699 | |
---|
| 700 | ! force _FillValue (land) to be 0 |
---|
[4213] | 701 | WHERE( tl_var%d_value(:,:,1,1) == tl_var%d_fill ) |
---|
| 702 | tl_var%d_value(:,:,1,1)=0 |
---|
| 703 | END WHERE |
---|
| 704 | |
---|
[5037] | 705 | ! clean |
---|
| 706 | CALL iom_dom_close(tl_bathy) |
---|
| 707 | CALL mpp_clean(tl_bathy) |
---|
[4213] | 708 | |
---|
[5037] | 709 | ! compute vertical grid |
---|
[4213] | 710 | ALLOCATE( dl_gdepw(in_nlevel), dl_gdept(in_nlevel) ) |
---|
| 711 | ALLOCATE( dl_e3w(in_nlevel), dl_e3t(in_nlevel) ) |
---|
| 712 | CALL vgrid_zgr_z( dl_gdepw(:), dl_gdept(:), dl_e3w(:), dl_e3t(:), & |
---|
| 713 | & dn_ppkth, dn_ppkth2, dn_ppacr, dn_ppacr2, & |
---|
| 714 | & dn_ppdzmin, dn_pphmax, dn_pp_to_be_computed, & |
---|
| 715 | & dn_ppa0, dn_ppa1, dn_ppa2, dn_ppsur ) |
---|
| 716 | |
---|
[5037] | 717 | ! compute bathy level on T point |
---|
[4213] | 718 | ALLOCATE( il_mbathy(tl_var%t_dim(1)%i_len, & |
---|
| 719 | & tl_var%t_dim(2)%i_len ) ) |
---|
| 720 | CALL vgrid_zgr_zps( il_mbathy(:,:), tl_var%d_value(:,:,1,1), il_jpkmax, & |
---|
| 721 | & dl_gdepw(:), dl_e3t(:), & |
---|
| 722 | & dn_e3zps_min, dn_e3zps_rat ) |
---|
| 723 | |
---|
| 724 | DEALLOCATE( dl_gdepw, dl_gdept ) |
---|
| 725 | DEALLOCATE( dl_e3w, dl_e3t ) |
---|
| 726 | |
---|
[5037] | 727 | ! compute bathy level in T,U,V,F point |
---|
[4213] | 728 | ALLOCATE( il_level(tl_var%t_dim(1)%i_len, & |
---|
| 729 | & tl_var%t_dim(2)%i_len, & |
---|
[5037] | 730 | & ip_npoint,1) ) |
---|
[4213] | 731 | |
---|
| 732 | DO jj=1,tl_var%t_dim(2)%i_len |
---|
| 733 | DO ji= 1,tl_var%t_dim(1)%i_len |
---|
| 734 | |
---|
| 735 | jip=MIN(ji+1,tl_var%t_dim(1)%i_len) |
---|
| 736 | jjp=MIN(jj+1,tl_var%t_dim(2)%i_len) |
---|
| 737 | |
---|
| 738 | ! T point |
---|
| 739 | il_level(ji,jj,jp_T,1)=il_mbathy(ji,jj) |
---|
| 740 | ! U point |
---|
| 741 | il_level(ji,jj,jp_U,1)=MIN( il_mbathy(ji, jj ), il_mbathy(jip, jj )) |
---|
| 742 | ! V point |
---|
| 743 | il_level(ji,jj,jp_V,1)=MIN( il_mbathy(ji, jj ), il_mbathy(ji , jjp)) |
---|
| 744 | ! F point |
---|
| 745 | il_level(ji,jj,jp_F,1)=MIN( il_mbathy(ji, jj ), il_mbathy(jip, jj ), & |
---|
| 746 | & il_mbathy(ji, jjp), il_mbathy(jip, jjp)) |
---|
| 747 | |
---|
| 748 | ENDDO |
---|
| 749 | ENDDO |
---|
| 750 | |
---|
| 751 | DEALLOCATE( il_mbathy ) |
---|
| 752 | |
---|
[5037] | 753 | tl_dim(:)=dim_copy(tl_var%t_dim(:)) |
---|
| 754 | ! clean |
---|
[4213] | 755 | CALL var_clean(tl_var) |
---|
| 756 | |
---|
| 757 | ! only 2 first dimension to be used |
---|
| 758 | tl_dim(3:4)%l_use=.FALSE. |
---|
| 759 | |
---|
[5037] | 760 | vgrid_get_level(jp_T)=var_init( 'tlevel', il_level(:,:,jp_T:jp_T,:), & |
---|
| 761 | & td_dim=tl_dim(:) ) |
---|
| 762 | vgrid_get_level(jp_U)=var_init( 'ulevel', il_level(:,:,jp_U:jp_U,:), & |
---|
| 763 | & td_dim=tl_dim(:)) |
---|
| 764 | vgrid_get_level(jp_V)=var_init( 'vlevel', il_level(:,:,jp_V:jp_V,:), & |
---|
| 765 | & td_dim=tl_dim(:)) |
---|
| 766 | vgrid_get_level(jp_F)=var_init( 'flevel', il_level(:,:,jp_F:jp_F,:), & |
---|
| 767 | & td_dim=tl_dim(:)) |
---|
[4213] | 768 | |
---|
| 769 | DEALLOCATE( il_level ) |
---|
| 770 | |
---|
[5037] | 771 | CALL grid_add_ghost( vgrid_get_level(jp_T), il_xghost(:,:) ) |
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| 772 | CALL grid_add_ghost( vgrid_get_level(jp_U), il_xghost(:,:) ) |
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| 773 | CALL grid_add_ghost( vgrid_get_level(jp_V), il_xghost(:,:) ) |
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| 774 | CALL grid_add_ghost( vgrid_get_level(jp_F), il_xghost(:,:) ) |
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[4213] | 775 | |
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[5037] | 776 | ! clean |
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| 777 | CALL dim_clean(tl_dim(:)) |
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[4213] | 778 | |
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| 779 | END FUNCTION vgrid_get_level |
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| 780 | END MODULE vgrid |
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| 781 | |
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