[3] | 1 | MODULE domhgr |
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| 2 | !!============================================================================== |
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[93] | 3 | !! *** MODULE domhgr *** |
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[3] | 4 | !! Ocean initialization : domain initialization |
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| 5 | !!============================================================================== |
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[2392] | 6 | !! History : OPA ! 1988-03 (G. Madec) Original code |
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| 7 | !! 7.0 ! 1996-01 (G. Madec) terrain following coordinates |
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| 8 | !! 8.0 ! 1997-02 (G. Madec) print mesh informations |
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| 9 | !! 8.1 ! 1999-11 (M. Imbard) NetCDF format with IO-IPSL |
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| 10 | !! 8.2 ! 2000-08 (D. Ludicone) Reduced section at Bab el Mandeb |
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| 11 | !! - ! 2001-09 (M. Levy) eel config: grid in km, beta-plane |
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| 12 | !! NEMO 1.0 ! 2002-08 (G. Madec) F90: Free form and module, namelist |
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| 13 | !! - ! 2004-01 (A.M. Treguier, J.M. Molines) Case 4 (Mercator mesh) |
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| 14 | !! use of parameters in par_CONFIG-Rxx.h90, not in namelist |
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| 15 | !! - ! 2004-05 (A. Koch-Larrouy) Add Gyre configuration |
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[473] | 16 | !!---------------------------------------------------------------------- |
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[3] | 17 | |
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| 18 | !!---------------------------------------------------------------------- |
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[2392] | 19 | !! dom_hgr : initialize the horizontal mesh |
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| 20 | !! hgr_read : read "coordinate" NetCDF file |
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[3] | 21 | !!---------------------------------------------------------------------- |
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[2392] | 22 | USE dom_oce ! ocean space and time domain |
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| 23 | USE phycst ! physical constants |
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| 24 | USE in_out_manager ! I/O manager |
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| 25 | USE lib_mpp ! MPP library |
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[3] | 26 | |
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| 27 | IMPLICIT NONE |
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| 28 | PRIVATE |
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| 29 | |
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[2392] | 30 | REAL(wp) :: glam0, gphi0 ! variables corresponding to parameters ppglam0 ppgphi0 set in par_oce |
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[3] | 31 | |
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[2392] | 32 | PUBLIC dom_hgr ! called by domain.F90 |
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| 33 | |
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[3] | 34 | !!---------------------------------------------------------------------- |
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[2287] | 35 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[1152] | 36 | !! $Id$ |
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[2392] | 37 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[3] | 38 | !!---------------------------------------------------------------------- |
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| 39 | CONTAINS |
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| 40 | |
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| 41 | SUBROUTINE dom_hgr |
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| 42 | !!---------------------------------------------------------------------- |
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| 43 | !! *** ROUTINE dom_hgr *** |
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| 44 | !! |
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| 45 | !! ** Purpose : Compute the geographical position (in degre) of the |
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| 46 | !! model grid-points, the horizontal scale factors (in meters) and |
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| 47 | !! the Coriolis factor (in s-1). |
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| 48 | !! |
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| 49 | !! ** Method : The geographical position of the model grid-points is |
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| 50 | !! defined from analytical functions, fslam and fsphi, the deriva- |
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| 51 | !! tives of which gives the horizontal scale factors e1,e2. |
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| 52 | !! Defining two function fslam and fsphi and their derivatives in |
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| 53 | !! the two horizontal directions (fse1 and fse2), the model grid- |
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| 54 | !! point position and scale factors are given by: |
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[81] | 55 | !! t-point: |
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| 56 | !! glamt(i,j) = fslam(i ,j ) e1t(i,j) = fse1(i ,j ) |
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| 57 | !! gphit(i,j) = fsphi(i ,j ) e2t(i,j) = fse2(i ,j ) |
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| 58 | !! u-point: |
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| 59 | !! glamu(i,j) = fslam(i+1/2,j ) e1u(i,j) = fse1(i+1/2,j ) |
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| 60 | !! gphiu(i,j) = fsphi(i+1/2,j ) e2u(i,j) = fse2(i+1/2,j ) |
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| 61 | !! v-point: |
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| 62 | !! glamv(i,j) = fslam(i ,j+1/2) e1v(i,j) = fse1(i ,j+1/2) |
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| 63 | !! gphiv(i,j) = fsphi(i ,j+1/2) e2v(i,j) = fse2(i ,j+1/2) |
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| 64 | !! f-point: |
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| 65 | !! glamf(i,j) = fslam(i+1/2,j+1/2) e1f(i,j) = fse1(i+1/2,j+1/2) |
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| 66 | !! gphif(i,j) = fsphi(i+1/2,j+1/2) e2f(i,j) = fse2(i+1/2,j+1/2) |
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[3] | 67 | !! Where fse1 and fse2 are defined by: |
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| 68 | !! fse1(i,j) = ra * rad * SQRT( (cos(phi) di(fslam))**2 |
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| 69 | !! + di(fsphi) **2 )(i,j) |
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| 70 | !! fse2(i,j) = ra * rad * SQRT( (cos(phi) dj(fslam))**2 |
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| 71 | !! + dj(fsphi) **2 )(i,j) |
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| 72 | !! |
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| 73 | !! The coriolis factor is given at z-point by: |
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| 74 | !! ff = 2.*omega*sin(gphif) (in s-1) |
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| 75 | !! |
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| 76 | !! This routine is given as an example, it must be modified |
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| 77 | !! following the user s desiderata. nevertheless, the output as |
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| 78 | !! well as the way to compute the model grid-point position and |
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| 79 | !! horizontal scale factors must be respected in order to insure |
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| 80 | !! second order accuracy schemes. |
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| 81 | !! |
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| 82 | !! N.B. If the domain is periodic, verify that scale factors are also |
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| 83 | !! periodic, and the coriolis term again. |
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| 84 | !! |
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| 85 | !! ** Action : - define glamt, glamu, glamv, glamf: longitude of t-, |
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| 86 | !! u-, v- and f-points (in degre) |
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| 87 | !! - define gphit, gphiu, gphiv, gphit: latitude of t-, |
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| 88 | !! u-, v- and f-points (in degre) |
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| 89 | !! define e1t, e2t, e1u, e2u, e1v, e2v, e1f, e2f: horizontal |
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| 90 | !! scale factors (in meters) at t-, u-, v-, and f-points. |
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| 91 | !! define ff: coriolis factor at f-point |
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| 92 | !! |
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[473] | 93 | !! References : Marti, Madec and Delecluse, 1992, JGR |
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| 94 | !! Madec, Imbard, 1996, Clim. Dyn. |
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[3] | 95 | !!---------------------------------------------------------------------- |
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[2392] | 96 | INTEGER :: ji, jj ! dummy loop indices |
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| 97 | INTEGER :: ii0, ii1, ij0, ij1 ! temporary integers |
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| 98 | INTEGER :: ijeq ! index of equator T point (used in case 4) |
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| 99 | REAL(wp) :: zti, zui, zvi, zfi ! local scalars |
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| 100 | REAL(wp) :: ztj, zuj, zvj, zfj ! - - |
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| 101 | REAL(wp) :: zphi0, zbeta, znorme ! |
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| 102 | REAL(wp) :: zarg, zf0, zminff, zmaxff |
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| 103 | REAL(wp) :: zlam1, zcos_alpha, zim1 , zjm1 , ze1, ze1deg |
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| 104 | REAL(wp) :: zphi1, zsin_alpha, zim05, zjm05 |
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[3] | 105 | !!---------------------------------------------------------------------- |
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| 106 | |
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| 107 | IF(lwp) THEN |
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| 108 | WRITE(numout,*) |
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| 109 | WRITE(numout,*) 'dom_hgr : define the horizontal mesh from ithe following par_oce parameters ' |
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| 110 | WRITE(numout,*) '~~~~~~~ type of horizontal mesh jphgr_msh = ', jphgr_msh |
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| 111 | WRITE(numout,*) ' position of the first row and ppglam0 = ', ppglam0 |
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| 112 | WRITE(numout,*) ' column grid-point (degrees) ppgphi0 = ', ppgphi0 |
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| 113 | WRITE(numout,*) ' zonal grid-spacing (degrees) ppe1_deg = ', ppe1_deg |
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| 114 | WRITE(numout,*) ' meridional grid-spacing (degrees) ppe2_deg = ', ppe2_deg |
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| 115 | WRITE(numout,*) ' zonal grid-spacing (meters) ppe1_m = ', ppe1_m |
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| 116 | WRITE(numout,*) ' meridional grid-spacing (meters) ppe2_m = ', ppe2_m |
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| 117 | ENDIF |
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| 118 | |
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| 119 | |
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| 120 | SELECT CASE( jphgr_msh ) ! type of horizontal mesh |
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| 121 | |
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| 122 | CASE ( 0 ) ! curvilinear coordinate on the sphere read in coordinate.nc file |
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| 123 | |
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| 124 | IF(lwp) WRITE(numout,*) |
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[81] | 125 | IF(lwp) WRITE(numout,*) ' curvilinear coordinate on the sphere read in "coordinate" file' |
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[239] | 126 | |
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[81] | 127 | CALL hgr_read ! Defaultl option : NetCDF file |
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[3] | 128 | |
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[81] | 129 | ! ! ===================== |
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| 130 | IF( cp_cfg == "orca" .AND. jp_cfg == 2 ) THEN ! ORCA R2 configuration |
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| 131 | ! ! ===================== |
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[2392] | 132 | IF( nn_cla == 0 ) THEN |
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[1273] | 133 | ! |
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[236] | 134 | ii0 = 139 ; ii1 = 140 ! Gibraltar Strait (e2u = 20 km) |
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| 135 | ij0 = 102 ; ij1 = 102 ; e2u( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 20.e3 |
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| 136 | IF(lwp) WRITE(numout,*) |
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[1273] | 137 | IF(lwp) WRITE(numout,*) ' orca_r2: Gibraltar : e2u reduced to 20 km' |
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| 138 | ! |
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[236] | 139 | ii0 = 160 ; ii1 = 160 ! Bab el Mandeb (e2u = 18 km) |
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[1273] | 140 | ij0 = 88 ; ij1 = 88 ; e1v( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 18.e3 |
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| 141 | e2u( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 30.e3 |
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[81] | 142 | IF(lwp) WRITE(numout,*) |
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[1273] | 143 | IF(lwp) WRITE(numout,*) ' orca_r2: Bab el Mandeb: e2u reduced to 30 km' |
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| 144 | IF(lwp) WRITE(numout,*) ' e1v reduced to 18 km' |
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[81] | 145 | ENDIF |
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[3] | 146 | |
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[1707] | 147 | ii0 = 145 ; ii1 = 146 ! Danish Straits (e2u = 10 km) |
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| 148 | ij0 = 116 ; ij1 = 116 ; e2u( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 10.e3 |
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[81] | 149 | IF(lwp) WRITE(numout,*) |
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[1707] | 150 | IF(lwp) WRITE(numout,*) ' orca_r2: Danish Straits : e2u reduced to 10 km' |
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[81] | 151 | ! |
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| 152 | ENDIF |
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| 153 | |
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[2380] | 154 | ! ! ===================== |
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| 155 | IF( cp_cfg == "orca" .AND. jp_cfg == 1 ) THEN ! ORCA R1 configuration |
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| 156 | ! ! ===================== |
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| 157 | |
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| 158 | ii0 = 281 ; ii1 = 282 ! Gibraltar Strait (e2u = 20 km) |
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| 159 | ij0 = 200 ; ij1 = 200 ; e2u( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 20.e3 |
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| 160 | IF(lwp) WRITE(numout,*) |
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| 161 | IF(lwp) WRITE(numout,*) ' orca_r1: Gibraltar : e2u reduced to 20 km' |
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| 162 | |
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| 163 | ii0 = 314 ; ii1 = 315 ! Bhosporus Strait (e2u = 10 km) |
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| 164 | ij0 = 208 ; ij1 = 208 ; e2u( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 10.e3 |
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| 165 | IF(lwp) WRITE(numout,*) |
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| 166 | IF(lwp) WRITE(numout,*) ' orca_r1: Bhosporus : e2u reduced to 10 km' |
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| 167 | |
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| 168 | ii0 = 44 ; ii1 = 44 ! Lombok Strait (e1v = 13 km) |
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| 169 | ij0 = 124 ; ij1 = 125 ; e1v( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 13.e3 |
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| 170 | IF(lwp) WRITE(numout,*) |
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| 171 | IF(lwp) WRITE(numout,*) ' orca_r1: Lombok : e1v reduced to 10 km' |
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| 172 | |
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| 173 | ii0 = 48 ; ii1 = 48 ! Sumba Strait (e1v = 8 km) [closed from bathy_11 on] |
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| 174 | ij0 = 124 ; ij1 = 125 ; e1v( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 8.e3 |
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| 175 | IF(lwp) WRITE(numout,*) |
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| 176 | IF(lwp) WRITE(numout,*) ' orca_r1: Sumba : e1v reduced to 8 km' |
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| 177 | |
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| 178 | ii0 = 53 ; ii1 = 53 ! Ombai Strait (e1v = 13 km) |
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| 179 | ij0 = 124 ; ij1 = 125 ; e1v( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 13.e3 |
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| 180 | IF(lwp) WRITE(numout,*) |
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| 181 | IF(lwp) WRITE(numout,*) ' orca_r1: Ombai : e1v reduced to 13 km' |
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| 182 | |
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| 183 | ii0 = 56 ; ii1 = 56 ! Timor Passage (e1v = 20 km) |
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| 184 | ij0 = 124 ; ij1 = 125 ; e1v( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 20.e3 |
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| 185 | IF(lwp) WRITE(numout,*) |
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| 186 | IF(lwp) WRITE(numout,*) ' orca_r1: Timor Passage : e1v reduced to 20 km' |
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| 187 | |
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| 188 | ii0 = 55 ; ii1 = 55 ! West Halmahera Strait (e1v = 30 km) |
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| 189 | ij0 = 141 ; ij1 = 142 ; e1v( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 30.e3 |
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| 190 | IF(lwp) WRITE(numout,*) |
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| 191 | IF(lwp) WRITE(numout,*) ' orca_r1: W Halmahera : e1v reduced to 30 km' |
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| 192 | |
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| 193 | ii0 = 58 ; ii1 = 58 ! East Halmahera Strait (e1v = 50 km) |
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| 194 | ij0 = 141 ; ij1 = 142 ; e1v( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 50.e3 |
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| 195 | IF(lwp) WRITE(numout,*) |
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| 196 | IF(lwp) WRITE(numout,*) ' orca_r1: E Halmahera : e1v reduced to 50 km' |
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| 197 | |
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| 198 | ! |
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| 199 | |
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| 200 | ! |
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| 201 | ! |
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| 202 | ! |
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| 203 | ! |
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| 204 | ENDIF |
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| 205 | |
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[81] | 206 | ! ! ====================== |
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| 207 | IF( cp_cfg == "orca" .AND. jp_cfg == 05 ) THEN ! ORCA R05 configuration |
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| 208 | ! ! ====================== |
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| 209 | ii0 = 563 ; ii1 = 564 ! Gibraltar Strait (e2u = 20 km) |
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| 210 | ij0 = 327 ; ij1 = 327 ; e2u( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 20.e3 |
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| 211 | IF(lwp) WRITE(numout,*) |
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| 212 | IF(lwp) WRITE(numout,*) ' orca_r05: Reduced e2u at the Gibraltar Strait' |
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| 213 | ! |
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[473] | 214 | ii0 = 627 ; ii1 = 628 ! Bosphore Strait (e2u = 10 km) |
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| 215 | ij0 = 343 ; ij1 = 343 ; e2u( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 10.e3 |
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| 216 | IF(lwp) WRITE(numout,*) |
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| 217 | IF(lwp) WRITE(numout,*) ' orca_r05: Reduced e2u at the Bosphore Strait' |
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| 218 | ! |
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| 219 | ii0 = 93 ; ii1 = 94 ! Sumba Strait (e2u = 40 km) |
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| 220 | ij0 = 232 ; ij1 = 232 ; e2u( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 40.e3 |
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| 221 | IF(lwp) WRITE(numout,*) |
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| 222 | IF(lwp) WRITE(numout,*) ' orca_r05: Reduced e2u at the Sumba Strait' |
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| 223 | ! |
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| 224 | ii0 = 103 ; ii1 = 103 ! Ombai Strait (e2u = 15 km) |
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| 225 | ij0 = 232 ; ij1 = 232 ; e2u( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 15.e3 |
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| 226 | IF(lwp) WRITE(numout,*) |
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| 227 | IF(lwp) WRITE(numout,*) ' orca_r05: Reduced e2u at the Ombai Strait' |
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| 228 | ! |
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| 229 | ii0 = 15 ; ii1 = 15 ! Palk Strait (e2u = 10 km) |
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| 230 | ij0 = 270 ; ij1 = 270 ; e2u( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 10.e3 |
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| 231 | IF(lwp) WRITE(numout,*) |
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| 232 | IF(lwp) WRITE(numout,*) ' orca_r05: Reduced e2u at the Palk Strait' |
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| 233 | ! |
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| 234 | ii0 = 87 ; ii1 = 87 ! Lombok Strait (e1v = 10 km) |
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| 235 | ij0 = 232 ; ij1 = 233 ; e1v( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 10.e3 |
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| 236 | IF(lwp) WRITE(numout,*) |
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| 237 | IF(lwp) WRITE(numout,*) ' orca_r05: Reduced e1v at the Lombok Strait' |
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| 238 | ! |
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| 239 | ! |
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| 240 | ii0 = 662 ; ii1 = 662 ! Bab el Mandeb (e1v = 25 km) |
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| 241 | ij0 = 276 ; ij1 = 276 ; e1v( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 25.e3 |
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| 242 | IF(lwp) WRITE(numout,*) |
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| 243 | IF(lwp) WRITE(numout,*) ' orca_r05: Reduced e1v at the Bab el Mandeb' |
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| 244 | ! |
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[81] | 245 | ENDIF |
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| 246 | |
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| 247 | |
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[3] | 248 | ! N.B. : General case, lat and long function of both i and j indices: |
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| 249 | ! e1t(ji,jj) = ra * rad * SQRT( ( cos( rad*gphit(ji,jj) ) * fsdila( zti, ztj ) )**2 & |
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| 250 | ! + ( fsdiph( zti, ztj ) )**2 ) |
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| 251 | ! e1u(ji,jj) = ra * rad * SQRT( ( cos( rad*gphiu(ji,jj) ) * fsdila( zui, zuj ) )**2 & |
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| 252 | ! + ( fsdiph( zui, zuj ) )**2 ) |
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| 253 | ! e1v(ji,jj) = ra * rad * SQRT( ( cos( rad*gphiv(ji,jj) ) * fsdila( zvi, zvj ) )**2 & |
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| 254 | ! + ( fsdiph( zvi, zvj ) )**2 ) |
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| 255 | ! e1f(ji,jj) = ra * rad * SQRT( ( cos( rad*gphif(ji,jj) ) * fsdila( zfi, zfj ) )**2 & |
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| 256 | ! + ( fsdiph( zfi, zfj ) )**2 ) |
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| 257 | ! |
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| 258 | ! e2t(ji,jj) = ra * rad * SQRT( ( cos( rad*gphit(ji,jj) ) * fsdjla( zti, ztj ) )**2 & |
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| 259 | ! + ( fsdjph( zti, ztj ) )**2 ) |
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| 260 | ! e2u(ji,jj) = ra * rad * SQRT( ( cos( rad*gphiu(ji,jj) ) * fsdjla( zui, zuj ) )**2 & |
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| 261 | ! + ( fsdjph( zui, zuj ) )**2 ) |
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| 262 | ! e2v(ji,jj) = ra * rad * SQRT( ( cos( rad*gphiv(ji,jj) ) * fsdjla( zvi, zvj ) )**2 & |
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| 263 | ! + ( fsdjph( zvi, zvj ) )**2 ) |
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| 264 | ! e2f(ji,jj) = ra * rad * SQRT( ( cos( rad*gphif(ji,jj) ) * fsdjla( zfi, zfj ) )**2 & |
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| 265 | ! + ( fsdjph( zfi, zfj ) )**2 ) |
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| 266 | |
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| 267 | |
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| 268 | CASE ( 1 ) ! geographical mesh on the sphere with regular grid-spacing |
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| 269 | |
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| 270 | IF(lwp) WRITE(numout,*) |
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| 271 | IF(lwp) WRITE(numout,*) ' geographical mesh on the sphere with regular grid-spacing' |
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| 272 | IF(lwp) WRITE(numout,*) ' given by ppe1_deg and ppe2_deg' |
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| 273 | |
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| 274 | DO jj = 1, jpj |
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| 275 | DO ji = 1, jpi |
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| 276 | zti = FLOAT( ji - 1 + nimpp - 1 ) ; ztj = FLOAT( jj - 1 + njmpp - 1 ) |
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| 277 | zui = FLOAT( ji - 1 + nimpp - 1 ) + 0.5 ; zuj = FLOAT( jj - 1 + njmpp - 1 ) |
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| 278 | zvi = FLOAT( ji - 1 + nimpp - 1 ) ; zvj = FLOAT( jj - 1 + njmpp - 1 ) + 0.5 |
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| 279 | zfi = FLOAT( ji - 1 + nimpp - 1 ) + 0.5 ; zfj = FLOAT( jj - 1 + njmpp - 1 ) + 0.5 |
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| 280 | ! Longitude |
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| 281 | glamt(ji,jj) = ppglam0 + ppe1_deg * zti |
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| 282 | glamu(ji,jj) = ppglam0 + ppe1_deg * zui |
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| 283 | glamv(ji,jj) = ppglam0 + ppe1_deg * zvi |
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| 284 | glamf(ji,jj) = ppglam0 + ppe1_deg * zfi |
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| 285 | ! Latitude |
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| 286 | gphit(ji,jj) = ppgphi0 + ppe2_deg * ztj |
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| 287 | gphiu(ji,jj) = ppgphi0 + ppe2_deg * zuj |
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| 288 | gphiv(ji,jj) = ppgphi0 + ppe2_deg * zvj |
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| 289 | gphif(ji,jj) = ppgphi0 + ppe2_deg * zfj |
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| 290 | ! e1 |
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| 291 | e1t(ji,jj) = ra * rad * COS( rad * gphit(ji,jj) ) * ppe1_deg |
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| 292 | e1u(ji,jj) = ra * rad * COS( rad * gphiu(ji,jj) ) * ppe1_deg |
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| 293 | e1v(ji,jj) = ra * rad * COS( rad * gphiv(ji,jj) ) * ppe1_deg |
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| 294 | e1f(ji,jj) = ra * rad * COS( rad * gphif(ji,jj) ) * ppe1_deg |
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| 295 | ! e2 |
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| 296 | e2t(ji,jj) = ra * rad * ppe2_deg |
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| 297 | e2u(ji,jj) = ra * rad * ppe2_deg |
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| 298 | e2v(ji,jj) = ra * rad * ppe2_deg |
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| 299 | e2f(ji,jj) = ra * rad * ppe2_deg |
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| 300 | END DO |
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| 301 | END DO |
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| 302 | |
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| 303 | |
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| 304 | CASE ( 2:3 ) ! f- or beta-plane with regular grid-spacing |
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| 305 | |
---|
| 306 | IF(lwp) WRITE(numout,*) |
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| 307 | IF(lwp) WRITE(numout,*) ' f- or beta-plane with regular grid-spacing' |
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| 308 | IF(lwp) WRITE(numout,*) ' given by ppe1_m and ppe2_m' |
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| 309 | |
---|
| 310 | ! Position coordinates (in kilometers) |
---|
| 311 | ! ========== |
---|
| 312 | glam0 = 0.e0 |
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| 313 | gphi0 = - ppe2_m * 1.e-3 |
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[389] | 314 | |
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[392] | 315 | #if defined key_agrif && defined key_eel_r6 |
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[1953] | 316 | IF( .NOT. Agrif_Root() ) THEN |
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[389] | 317 | glam0 = Agrif_Parent(glam0) + (Agrif_ix())*Agrif_Parent(ppe1_m) * 1.e-3 |
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| 318 | gphi0 = Agrif_Parent(gphi0) + (Agrif_iy())*Agrif_Parent(ppe2_m) * 1.e-3 |
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| 319 | ppe1_m = Agrif_Parent(ppe1_m)/Agrif_Rhox() |
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| 320 | ppe2_m = Agrif_Parent(ppe2_m)/Agrif_Rhoy() |
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| 321 | ENDIF |
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| 322 | #endif |
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[3] | 323 | DO jj = 1, jpj |
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| 324 | DO ji = 1, jpi |
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| 325 | glamt(ji,jj) = glam0 + ppe1_m * 1.e-3 * ( FLOAT( ji - 1 + nimpp - 1 ) ) |
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| 326 | glamu(ji,jj) = glam0 + ppe1_m * 1.e-3 * ( FLOAT( ji - 1 + nimpp - 1 ) + 0.5 ) |
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| 327 | glamv(ji,jj) = glamt(ji,jj) |
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| 328 | glamf(ji,jj) = glamu(ji,jj) |
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| 329 | |
---|
| 330 | gphit(ji,jj) = gphi0 + ppe2_m * 1.e-3 * ( FLOAT( jj - 1 + njmpp - 1 ) ) |
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| 331 | gphiu(ji,jj) = gphit(ji,jj) |
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| 332 | gphiv(ji,jj) = gphi0 + ppe2_m * 1.e-3 * ( FLOAT( jj - 1 + njmpp - 1 ) + 0.5 ) |
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| 333 | gphif(ji,jj) = gphiv(ji,jj) |
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| 334 | END DO |
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| 335 | END DO |
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| 336 | |
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| 337 | ! Horizontal scale factors (in meters) |
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| 338 | ! ====== |
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| 339 | e1t(:,:) = ppe1_m ; e2t(:,:) = ppe2_m |
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| 340 | e1u(:,:) = ppe1_m ; e2u(:,:) = ppe2_m |
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| 341 | e1v(:,:) = ppe1_m ; e2v(:,:) = ppe2_m |
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| 342 | e1f(:,:) = ppe1_m ; e2f(:,:) = ppe2_m |
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| 343 | |
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| 344 | CASE ( 4 ) ! geographical mesh on the sphere, isotropic MERCATOR type |
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| 345 | |
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| 346 | IF(lwp) WRITE(numout,*) |
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| 347 | IF(lwp) WRITE(numout,*) ' geographical mesh on the sphere, MERCATOR type' |
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| 348 | IF(lwp) WRITE(numout,*) ' longitudinal/latitudinal spacing given by ppe1_deg' |
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[473] | 349 | IF ( ppgphi0 == -90 ) CALL ctl_stop( ' Mercator grid cannot start at south pole !!!! ' ) |
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[3] | 350 | |
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| 351 | ! Find index corresponding to the equator, given the grid spacing e1_deg |
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| 352 | ! and the (approximate) southern latitude ppgphi0. |
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| 353 | ! This way we ensure that the equator is at a "T / U" point, when in the domain. |
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| 354 | ! The formula should work even if the equator is outside the domain. |
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| 355 | zarg = rpi / 4. - rpi / 180. * ppgphi0 / 2. |
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[29] | 356 | ijeq = ABS( 180./rpi * LOG( COS( zarg ) / SIN( zarg ) ) / ppe1_deg ) |
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[224] | 357 | IF( ppgphi0 > 0 ) ijeq = -ijeq |
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[3] | 358 | |
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[29] | 359 | IF(lwp) WRITE(numout,*) ' Index of the equator on the MERCATOR grid:', ijeq |
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[3] | 360 | |
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| 361 | DO jj = 1, jpj |
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| 362 | DO ji = 1, jpi |
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[29] | 363 | zti = FLOAT( ji - 1 + nimpp - 1 ) ; ztj = FLOAT( jj - ijeq + njmpp - 1 ) |
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| 364 | zui = FLOAT( ji - 1 + nimpp - 1 ) + 0.5 ; zuj = FLOAT( jj - ijeq + njmpp - 1 ) |
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| 365 | zvi = FLOAT( ji - 1 + nimpp - 1 ) ; zvj = FLOAT( jj - ijeq + njmpp - 1 ) + 0.5 |
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| 366 | zfi = FLOAT( ji - 1 + nimpp - 1 ) + 0.5 ; zfj = FLOAT( jj - ijeq + njmpp - 1 ) + 0.5 |
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[3] | 367 | ! Longitude |
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| 368 | glamt(ji,jj) = ppglam0 + ppe1_deg * zti |
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| 369 | glamu(ji,jj) = ppglam0 + ppe1_deg * zui |
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| 370 | glamv(ji,jj) = ppglam0 + ppe1_deg * zvi |
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| 371 | glamf(ji,jj) = ppglam0 + ppe1_deg * zfi |
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| 372 | ! Latitude |
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| 373 | gphit(ji,jj) = 1./rad * ASIN ( TANH( ppe1_deg *rad* ztj ) ) |
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[93] | 374 | gphiu(ji,jj) = 1./rad * ASIN ( TANH( ppe1_deg *rad* zuj ) ) |
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| 375 | gphiv(ji,jj) = 1./rad * ASIN ( TANH( ppe1_deg *rad* zvj ) ) |
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| 376 | gphif(ji,jj) = 1./rad * ASIN ( TANH( ppe1_deg *rad* zfj ) ) |
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[3] | 377 | ! e1 |
---|
| 378 | e1t(ji,jj) = ra * rad * COS( rad * gphit(ji,jj) ) * ppe1_deg |
---|
| 379 | e1u(ji,jj) = ra * rad * COS( rad * gphiu(ji,jj) ) * ppe1_deg |
---|
| 380 | e1v(ji,jj) = ra * rad * COS( rad * gphiv(ji,jj) ) * ppe1_deg |
---|
| 381 | e1f(ji,jj) = ra * rad * COS( rad * gphif(ji,jj) ) * ppe1_deg |
---|
| 382 | ! e2 |
---|
| 383 | e2t(ji,jj) = ra * rad * COS( rad * gphit(ji,jj) ) * ppe1_deg |
---|
| 384 | e2u(ji,jj) = ra * rad * COS( rad * gphiu(ji,jj) ) * ppe1_deg |
---|
| 385 | e2v(ji,jj) = ra * rad * COS( rad * gphiv(ji,jj) ) * ppe1_deg |
---|
| 386 | e2f(ji,jj) = ra * rad * COS( rad * gphif(ji,jj) ) * ppe1_deg |
---|
| 387 | END DO |
---|
| 388 | END DO |
---|
| 389 | |
---|
[93] | 390 | CASE ( 5 ) ! beta-plane with regular grid-spacing and rotated domain (GYRE configuration) |
---|
| 391 | |
---|
| 392 | IF(lwp) WRITE(numout,*) |
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| 393 | IF(lwp) WRITE(numout,*) ' beta-plane with regular grid-spacing and rotated domain (GYRE configuration)' |
---|
| 394 | IF(lwp) WRITE(numout,*) ' given by ppe1_m and ppe2_m' |
---|
| 395 | |
---|
| 396 | ! Position coordinates (in kilometers) |
---|
| 397 | ! ========== |
---|
| 398 | |
---|
[167] | 399 | ! angle 45deg and ze1=106.e+3 / jp_cfg forced -> zlam1 = -85deg, zphi1 = 29degN |
---|
[93] | 400 | zlam1 = -85 |
---|
| 401 | zphi1 = 29 |
---|
[167] | 402 | ! resolution in meters |
---|
| 403 | ze1 = 106000. / FLOAT(jp_cfg) |
---|
| 404 | ! benchmark: forced the resolution to be about 100 km |
---|
| 405 | IF( nbench /= 0 ) ze1 = 106000.e0 |
---|
[93] | 406 | zsin_alpha = - SQRT( 2. ) / 2. |
---|
| 407 | zcos_alpha = SQRT( 2. ) / 2. |
---|
| 408 | ze1deg = ze1 / (ra * rad) |
---|
| 409 | IF( nbench /= 0 ) ze1deg = ze1deg / FLOAT(jp_cfg) ! benchmark: keep the lat/+lon |
---|
[167] | 410 | ! ! at the right jp_cfg resolution |
---|
[93] | 411 | glam0 = zlam1 + zcos_alpha * ze1deg * FLOAT( jpjglo-2 ) |
---|
| 412 | gphi0 = zphi1 + zsin_alpha * ze1deg * FLOAT( jpjglo-2 ) |
---|
| 413 | |
---|
[516] | 414 | IF( nprint==1 .AND. lwp ) THEN |
---|
| 415 | WRITE(numout,*) ' ze1', ze1, 'cosalpha', zcos_alpha, 'sinalpha', zsin_alpha |
---|
| 416 | WRITE(numout,*) ' ze1deg', ze1deg, 'glam0', glam0, 'gphi0', gphi0 |
---|
| 417 | ENDIF |
---|
[93] | 418 | |
---|
| 419 | DO jj = 1, jpj |
---|
| 420 | DO ji = 1, jpi |
---|
| 421 | zim1 = FLOAT( ji + nimpp - 1 ) - 1. ; zim05 = FLOAT( ji + nimpp - 1 ) - 1.5 |
---|
| 422 | zjm1 = FLOAT( jj + njmpp - 1 ) - 1. ; zjm05 = FLOAT( jj + njmpp - 1 ) - 1.5 |
---|
| 423 | |
---|
| 424 | glamf(ji,jj) = glam0 + zim1 * ze1deg * zcos_alpha + zjm1 * ze1deg * zsin_alpha |
---|
| 425 | gphif(ji,jj) = gphi0 - zim1 * ze1deg * zsin_alpha + zjm1 * ze1deg * zcos_alpha |
---|
| 426 | |
---|
| 427 | glamt(ji,jj) = glam0 + zim05 * ze1deg * zcos_alpha + zjm05 * ze1deg * zsin_alpha |
---|
| 428 | gphit(ji,jj) = gphi0 - zim05 * ze1deg * zsin_alpha + zjm05 * ze1deg * zcos_alpha |
---|
| 429 | |
---|
| 430 | glamu(ji,jj) = glam0 + zim1 * ze1deg * zcos_alpha + zjm05 * ze1deg * zsin_alpha |
---|
| 431 | gphiu(ji,jj) = gphi0 - zim1 * ze1deg * zsin_alpha + zjm05 * ze1deg * zcos_alpha |
---|
| 432 | |
---|
| 433 | glamv(ji,jj) = glam0 + zim05 * ze1deg * zcos_alpha + zjm1 * ze1deg * zsin_alpha |
---|
| 434 | gphiv(ji,jj) = gphi0 - zim05 * ze1deg * zsin_alpha + zjm1 * ze1deg * zcos_alpha |
---|
| 435 | END DO |
---|
| 436 | END DO |
---|
| 437 | |
---|
| 438 | ! Horizontal scale factors (in meters) |
---|
| 439 | ! ====== |
---|
| 440 | e1t(:,:) = ze1 ; e2t(:,:) = ze1 |
---|
| 441 | e1u(:,:) = ze1 ; e2u(:,:) = ze1 |
---|
| 442 | e1v(:,:) = ze1 ; e2v(:,:) = ze1 |
---|
| 443 | e1f(:,:) = ze1 ; e2f(:,:) = ze1 |
---|
| 444 | |
---|
[3] | 445 | CASE DEFAULT |
---|
[473] | 446 | WRITE(ctmp1,*) ' bad flag value for jphgr_msh = ', jphgr_msh |
---|
| 447 | CALL ctl_stop( ctmp1 ) |
---|
[3] | 448 | |
---|
| 449 | END SELECT |
---|
| 450 | |
---|
| 451 | |
---|
| 452 | ! Control printing : Grid informations (if not restart) |
---|
| 453 | ! ---------------- |
---|
| 454 | |
---|
[516] | 455 | IF( lwp .AND. .NOT.ln_rstart ) THEN |
---|
[3] | 456 | WRITE(numout,*) |
---|
| 457 | WRITE(numout,*) ' longitude and e1 scale factors' |
---|
| 458 | WRITE(numout,*) ' ------------------------------' |
---|
| 459 | WRITE(numout,9300) ( ji, glamt(ji,1), glamu(ji,1), & |
---|
| 460 | glamv(ji,1), glamf(ji,1), & |
---|
| 461 | e1t(ji,1), e1u(ji,1), & |
---|
| 462 | e1v(ji,1), e1f(ji,1), ji = 1, jpi,10) |
---|
| 463 | 9300 FORMAT( 1x, i4, f8.2,1x, f8.2,1x, f8.2,1x, f8.2, 1x, & |
---|
| 464 | f19.10, 1x, f19.10, 1x, f19.10, 1x, f19.10 ) |
---|
| 465 | |
---|
| 466 | WRITE(numout,*) |
---|
| 467 | WRITE(numout,*) ' latitude and e2 scale factors' |
---|
| 468 | WRITE(numout,*) ' -----------------------------' |
---|
| 469 | WRITE(numout,9300) ( jj, gphit(1,jj), gphiu(1,jj), & |
---|
| 470 | & gphiv(1,jj), gphif(1,jj), & |
---|
| 471 | & e2t (1,jj), e2u (1,jj), & |
---|
| 472 | & e2v (1,jj), e2f (1,jj), jj = 1, jpj, 10 ) |
---|
| 473 | ENDIF |
---|
| 474 | |
---|
| 475 | |
---|
| 476 | IF( nprint == 1 .AND. lwp ) THEN |
---|
| 477 | WRITE(numout,*) ' e1u e2u ' |
---|
| 478 | CALL prihre( e1u,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
---|
| 479 | CALL prihre( e2u,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
---|
| 480 | WRITE(numout,*) ' e1v e2v ' |
---|
| 481 | CALL prihre( e1v,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
---|
| 482 | CALL prihre( e2v,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
---|
| 483 | WRITE(numout,*) ' e1f e2f ' |
---|
| 484 | CALL prihre( e1f,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
---|
| 485 | CALL prihre( e2f,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
---|
| 486 | ENDIF |
---|
| 487 | |
---|
| 488 | |
---|
| 489 | ! ================= ! |
---|
| 490 | ! Coriolis factor ! |
---|
| 491 | ! ================= ! |
---|
| 492 | |
---|
| 493 | SELECT CASE( jphgr_msh ) ! type of horizontal mesh |
---|
| 494 | |
---|
| 495 | CASE ( 0, 1, 4 ) ! mesh on the sphere |
---|
| 496 | |
---|
| 497 | ff(:,:) = 2. * omega * SIN( rad * gphif(:,:) ) |
---|
| 498 | |
---|
| 499 | CASE ( 2 ) ! f-plane at ppgphi0 |
---|
| 500 | |
---|
| 501 | ff(:,:) = 2. * omega * SIN( rad * ppgphi0 ) |
---|
| 502 | |
---|
| 503 | IF(lwp) WRITE(numout,*) ' f-plane: Coriolis parameter = constant = ', ff(1,1) |
---|
| 504 | |
---|
| 505 | CASE ( 3 ) ! beta-plane |
---|
| 506 | |
---|
[187] | 507 | zbeta = 2. * omega * COS( rad * ppgphi0 ) / ra ! beta at latitude ppgphi0 |
---|
| 508 | zphi0 = ppgphi0 - FLOAT( jpjglo/2) * ppe2_m / ( ra * rad ) ! latitude of the first row F-points |
---|
[389] | 509 | |
---|
[392] | 510 | #if defined key_agrif && defined key_eel_r6 |
---|
[1953] | 511 | IF( .NOT. Agrif_Root() ) THEN |
---|
[389] | 512 | zphi0 = ppgphi0 - FLOAT( Agrif_Parent(jpjglo)/2)*Agrif_Parent(ppe2_m) / (ra * rad) |
---|
| 513 | ENDIF |
---|
| 514 | #endif |
---|
[187] | 515 | zf0 = 2. * omega * SIN( rad * zphi0 ) ! compute f0 1st point south |
---|
[3] | 516 | |
---|
[187] | 517 | ff(:,:) = ( zf0 + zbeta * gphif(:,:) * 1.e+3 ) ! f = f0 +beta* y ( y=0 at south) |
---|
[389] | 518 | |
---|
[516] | 519 | IF(lwp) THEN |
---|
| 520 | WRITE(numout,*) |
---|
| 521 | WRITE(numout,*) ' Beta-plane: Beta parameter = constant = ', ff(nldi,nldj) |
---|
| 522 | WRITE(numout,*) ' Coriolis parameter varies from ', ff(nldi,nldj),' to ', ff(nldi,nlej) |
---|
| 523 | ENDIF |
---|
[434] | 524 | IF( lk_mpp ) THEN |
---|
| 525 | zminff=ff(nldi,nldj) |
---|
| 526 | zmaxff=ff(nldi,nlej) |
---|
| 527 | CALL mpp_min( zminff ) ! min over the global domain |
---|
| 528 | CALL mpp_max( zmaxff ) ! max over the global domain |
---|
[516] | 529 | IF(lwp) WRITE(numout,*) ' Coriolis parameter varies globally from ', zminff,' to ', zmaxff |
---|
[434] | 530 | END IF |
---|
[3] | 531 | |
---|
[434] | 532 | CASE ( 5 ) ! beta-plane and rotated domain (gyre configuration) |
---|
[93] | 533 | |
---|
| 534 | zbeta = 2. * omega * COS( rad * ppgphi0 ) / ra ! beta at latitude ppgphi0 |
---|
| 535 | zphi0 = 15.e0 ! latitude of the first row F-points |
---|
| 536 | zf0 = 2. * omega * SIN( rad * zphi0 ) ! compute f0 1st point south |
---|
| 537 | |
---|
| 538 | ff(:,:) = ( zf0 + zbeta * ABS( gphif(:,:) - zphi0 ) * rad * ra ) ! f = f0 +beta* y ( y=0 at south) |
---|
| 539 | |
---|
[516] | 540 | IF(lwp) THEN |
---|
| 541 | WRITE(numout,*) |
---|
| 542 | WRITE(numout,*) ' Beta-plane and rotated domain : ' |
---|
| 543 | WRITE(numout,*) ' Coriolis parameter varies in this processor from ', ff(nldi,nldj),' to ', ff(nldi,nlej) |
---|
| 544 | ENDIF |
---|
| 545 | |
---|
[434] | 546 | IF( lk_mpp ) THEN |
---|
| 547 | zminff=ff(nldi,nldj) |
---|
| 548 | zmaxff=ff(nldi,nlej) |
---|
| 549 | CALL mpp_min( zminff ) ! min over the global domain |
---|
| 550 | CALL mpp_max( zmaxff ) ! max over the global domain |
---|
[516] | 551 | IF(lwp) WRITE(numout,*) ' Coriolis parameter varies globally from ', zminff,' to ', zmaxff |
---|
[434] | 552 | END IF |
---|
[93] | 553 | |
---|
[3] | 554 | END SELECT |
---|
| 555 | |
---|
| 556 | |
---|
| 557 | ! Control of domain for symetrical condition |
---|
| 558 | ! ------------------------------------------ |
---|
| 559 | ! The equator line must be the latitude coordinate axe |
---|
| 560 | |
---|
| 561 | IF( nperio == 2 ) THEN |
---|
| 562 | znorme = SQRT( SUM( gphiu(:,2) * gphiu(:,2) ) ) / FLOAT( jpi ) |
---|
[473] | 563 | IF( znorme > 1.e-13 ) CALL ctl_stop( ' ===>>>> : symmetrical condition: rerun with good equator line' ) |
---|
[3] | 564 | ENDIF |
---|
| 565 | |
---|
| 566 | END SUBROUTINE dom_hgr |
---|
| 567 | |
---|
| 568 | |
---|
[81] | 569 | SUBROUTINE hgr_read |
---|
[3] | 570 | !!--------------------------------------------------------------------- |
---|
[81] | 571 | !! *** ROUTINE hgr_read *** |
---|
[3] | 572 | !! |
---|
| 573 | !! ** Purpose : Read a coordinate file in NetCDF format |
---|
| 574 | !! |
---|
| 575 | !! ** Method : The mesh file has been defined trough a analytical |
---|
| 576 | !! or semi-analytical method. It is read in a NetCDF file. |
---|
| 577 | !! |
---|
| 578 | !!---------------------------------------------------------------------- |
---|
[473] | 579 | USE iom |
---|
[3] | 580 | |
---|
[473] | 581 | INTEGER :: inum ! temporary logical unit |
---|
[3] | 582 | !!---------------------------------------------------------------------- |
---|
| 583 | |
---|
| 584 | IF(lwp) THEN |
---|
| 585 | WRITE(numout,*) |
---|
[81] | 586 | WRITE(numout,*) 'hgr_read : read the horizontal coordinates' |
---|
[473] | 587 | WRITE(numout,*) '~~~~~~~~ jpiglo = ', jpiglo, ' jpjglo = ', jpjglo, ' jpk = ', jpk |
---|
[3] | 588 | ENDIF |
---|
[473] | 589 | |
---|
| 590 | CALL iom_open( 'coordinates', inum ) |
---|
| 591 | |
---|
| 592 | CALL iom_get( inum, jpdom_data, 'glamt', glamt ) |
---|
| 593 | CALL iom_get( inum, jpdom_data, 'glamu', glamu ) |
---|
| 594 | CALL iom_get( inum, jpdom_data, 'glamv', glamv ) |
---|
| 595 | CALL iom_get( inum, jpdom_data, 'glamf', glamf ) |
---|
| 596 | |
---|
| 597 | CALL iom_get( inum, jpdom_data, 'gphit', gphit ) |
---|
| 598 | CALL iom_get( inum, jpdom_data, 'gphiu', gphiu ) |
---|
| 599 | CALL iom_get( inum, jpdom_data, 'gphiv', gphiv ) |
---|
| 600 | CALL iom_get( inum, jpdom_data, 'gphif', gphif ) |
---|
| 601 | |
---|
| 602 | CALL iom_get( inum, jpdom_data, 'e1t', e1t ) |
---|
| 603 | CALL iom_get( inum, jpdom_data, 'e1u', e1u ) |
---|
| 604 | CALL iom_get( inum, jpdom_data, 'e1v', e1v ) |
---|
| 605 | CALL iom_get( inum, jpdom_data, 'e1f', e1f ) |
---|
| 606 | |
---|
| 607 | CALL iom_get( inum, jpdom_data, 'e2t', e2t ) |
---|
| 608 | CALL iom_get( inum, jpdom_data, 'e2u', e2u ) |
---|
| 609 | CALL iom_get( inum, jpdom_data, 'e2v', e2v ) |
---|
| 610 | CALL iom_get( inum, jpdom_data, 'e2f', e2f ) |
---|
| 611 | |
---|
| 612 | CALL iom_close( inum ) |
---|
| 613 | |
---|
| 614 | END SUBROUTINE hgr_read |
---|
| 615 | |
---|
[3] | 616 | !!====================================================================== |
---|
| 617 | END MODULE domhgr |
---|