[2990] | 1 | MODULE sbcwave |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE sbcwave *** |
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| 4 | !! Wave module |
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| 5 | !!====================================================================== |
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[7646] | 6 | !! History : 3.3 ! 2011-09 (M. Adani) Original code: Drag Coefficient |
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| 7 | !! : 3.4 ! 2012-10 (M. Adani) Stokes Drift |
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| 8 | !! 3.6 ! 2014-09 (E. Clementi,P. Oddo) New Stokes Drift Computation |
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| 9 | !! - ! 2016-12 (G. Madec, E. Clementi) update Stoke drift computation |
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| 10 | !! + add sbc_wave_ini routine |
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[2990] | 11 | !!---------------------------------------------------------------------- |
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| 12 | |
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| 13 | !!---------------------------------------------------------------------- |
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[7646] | 14 | !! sbc_stokes : calculate 3D Stokes-drift velocities |
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| 15 | !! sbc_wave : wave data from wave model in netcdf files |
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| 16 | !! sbc_wave_init : initialisation fo surface waves |
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[2990] | 17 | !!---------------------------------------------------------------------- |
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[7646] | 18 | USE phycst ! physical constants |
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| 19 | USE oce ! ocean variables |
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[5836] | 20 | USE sbc_oce ! Surface boundary condition: ocean fields |
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[9019] | 21 | USE zdf_oce, ONLY : ln_zdfswm |
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[7646] | 22 | USE bdy_oce ! open boundary condition variables |
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| 23 | USE domvvl ! domain: variable volume layers |
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[5836] | 24 | ! |
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| 25 | USE iom ! I/O manager library |
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| 26 | USE in_out_manager ! I/O manager |
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| 27 | USE lib_mpp ! distribued memory computing library |
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| 28 | USE fldread ! read input fields |
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[2990] | 29 | |
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| 30 | IMPLICIT NONE |
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| 31 | PRIVATE |
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| 32 | |
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[7646] | 33 | PUBLIC sbc_stokes ! routine called in sbccpl |
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[9023] | 34 | PUBLIC sbc_wstress ! routine called in sbcmod |
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[7646] | 35 | PUBLIC sbc_wave ! routine called in sbcmod |
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| 36 | PUBLIC sbc_wave_init ! routine called in sbcmod |
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[2990] | 37 | |
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[7646] | 38 | ! Variables checking if the wave parameters are coupled (if not, they are read from file) |
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| 39 | LOGICAL, PUBLIC :: cpl_hsig = .FALSE. |
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| 40 | LOGICAL, PUBLIC :: cpl_phioc = .FALSE. |
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| 41 | LOGICAL, PUBLIC :: cpl_sdrftx = .FALSE. |
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| 42 | LOGICAL, PUBLIC :: cpl_sdrfty = .FALSE. |
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| 43 | LOGICAL, PUBLIC :: cpl_wper = .FALSE. |
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[9023] | 44 | LOGICAL, PUBLIC :: cpl_wfreq = .FALSE. |
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[7646] | 45 | LOGICAL, PUBLIC :: cpl_wnum = .FALSE. |
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[9115] | 46 | LOGICAL, PUBLIC :: cpl_tauwoc = .FALSE. |
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[9023] | 47 | LOGICAL, PUBLIC :: cpl_tauw = .FALSE. |
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[7646] | 48 | LOGICAL, PUBLIC :: cpl_wdrag = .FALSE. |
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[5836] | 49 | |
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[7646] | 50 | INTEGER :: jpfld ! number of files to read for stokes drift |
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| 51 | INTEGER :: jp_usd ! index of stokes drift (i-component) (m/s) at T-point |
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| 52 | INTEGER :: jp_vsd ! index of stokes drift (j-component) (m/s) at T-point |
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| 53 | INTEGER :: jp_hsw ! index of significant wave hight (m) at T-point |
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| 54 | INTEGER :: jp_wmp ! index of mean wave period (s) at T-point |
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[9023] | 55 | INTEGER :: jp_wfr ! index of wave peak frequency (1/s) at T-point |
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[2990] | 56 | |
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[7646] | 57 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_cd ! structure of input fields (file informations, fields read) Drag Coefficient |
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| 58 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_sd ! structure of input fields (file informations, fields read) Stokes Drift |
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| 59 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_wn ! structure of input fields (file informations, fields read) wave number for Qiao |
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[9115] | 60 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_tauwoc ! structure of input fields (file informations, fields read) normalized wave stress into the ocean |
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[9023] | 61 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_tauw ! structure of input fields (file informations, fields read) ocean stress components from wave model |
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| 62 | |
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[7646] | 63 | REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: cdn_wave !: |
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| 64 | REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: hsw, wmp, wnum !: |
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[9023] | 65 | REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: wfreq !: |
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[7646] | 66 | REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: tauoc_wave !: |
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[9023] | 67 | REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: tauw_x, tauw_y !: |
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[7646] | 68 | REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: tsd2d !: |
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| 69 | REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: div_sd !: barotropic stokes drift divergence |
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| 70 | REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: ut0sd, vt0sd !: surface Stokes drift velocities at t-point |
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| 71 | REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:,:) :: usd , vsd , wsd !: Stokes drift velocities at u-, v- & w-points, resp. |
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[5836] | 72 | |
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[3680] | 73 | !! * Substitutions |
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[5836] | 74 | # include "vectopt_loop_substitute.h90" |
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[2990] | 75 | !!---------------------------------------------------------------------- |
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[10068] | 76 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[5215] | 77 | !! $Id$ |
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[10068] | 78 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[2990] | 79 | !!---------------------------------------------------------------------- |
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| 80 | CONTAINS |
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| 81 | |
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[7646] | 82 | SUBROUTINE sbc_stokes( ) |
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| 83 | !!--------------------------------------------------------------------- |
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| 84 | !! *** ROUTINE sbc_stokes *** |
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| 85 | !! |
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| 86 | !! ** Purpose : compute the 3d Stokes Drift according to Breivik et al., |
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| 87 | !! 2014 (DOI: 10.1175/JPO-D-14-0020.1) |
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| 88 | !! |
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| 89 | !! ** Method : - Calculate Stokes transport speed |
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| 90 | !! - Calculate horizontal divergence |
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| 91 | !! - Integrate the horizontal divergenze from the bottom |
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| 92 | !! ** action |
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| 93 | !!--------------------------------------------------------------------- |
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| 94 | INTEGER :: jj, ji, jk ! dummy loop argument |
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| 95 | INTEGER :: ik ! local integer |
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[9019] | 96 | REAL(wp) :: ztransp, zfac, zsp0 |
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| 97 | REAL(wp) :: zdepth, zsqrt_depth, zexp_depth, z_two_thirds, zsqrtpi !sqrt of pi |
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| 98 | REAL(wp) :: zbot_u, zbot_v, zkb_u, zkb_v, zke3_u, zke3_v, zda_u, zda_v |
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| 99 | REAL(wp) :: zstokes_psi_u_bot, zstokes_psi_v_bot |
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[9029] | 100 | REAL(wp) :: zdep_u, zdep_v, zkh_u, zkh_v |
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[9115] | 101 | REAL(wp), DIMENSION(:,:) , ALLOCATABLE :: zk_t, zk_u, zk_v, zu0_sd, zv0_sd ! 2D workspace |
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| 102 | REAL(wp), DIMENSION(:,:) , ALLOCATABLE :: zstokes_psi_u_top, zstokes_psi_v_top ! 2D workspace |
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| 103 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: ze3divh ! 3D workspace |
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[7646] | 104 | !!--------------------------------------------------------------------- |
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| 105 | ! |
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[9115] | 106 | ALLOCATE( ze3divh(jpi,jpj,jpk) ) |
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| 107 | ALLOCATE( zk_t(jpi,jpj), zk_u(jpi,jpj), zk_v(jpi,jpj), zu0_sd(jpi,jpj), zv0_sd(jpi,jpj) ) |
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[7646] | 108 | ! |
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[9023] | 109 | ! select parameterization for the calculation of vertical Stokes drift |
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| 110 | ! exp. wave number at t-point |
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[9115] | 111 | IF( ll_st_bv_li ) THEN ! (Eq. (19) in Breivik et al. (2014) ) |
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[9023] | 112 | zfac = 2.0_wp * rpi / 16.0_wp |
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| 113 | DO jj = 1, jpj |
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| 114 | DO ji = 1, jpi |
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[7646] | 115 | ! Stokes drift velocity estimated from Hs and Tmean |
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[9023] | 116 | ztransp = zfac * hsw(ji,jj)*hsw(ji,jj) / MAX( wmp(ji,jj), 0.0000001_wp ) |
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[7646] | 117 | ! Stokes surface speed |
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[9023] | 118 | tsd2d(ji,jj) = SQRT( ut0sd(ji,jj)*ut0sd(ji,jj) + vt0sd(ji,jj)*vt0sd(ji,jj)) |
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[7646] | 119 | ! Wavenumber scale |
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[9023] | 120 | zk_t(ji,jj) = ABS( tsd2d(ji,jj) ) / MAX( ABS( 5.97_wp*ztransp ), 0.0000001_wp ) |
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| 121 | END DO |
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[7646] | 122 | END DO |
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[9023] | 123 | DO jj = 1, jpjm1 ! exp. wave number & Stokes drift velocity at u- & v-points |
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| 124 | DO ji = 1, jpim1 |
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| 125 | zk_u(ji,jj) = 0.5_wp * ( zk_t(ji,jj) + zk_t(ji+1,jj) ) |
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| 126 | zk_v(ji,jj) = 0.5_wp * ( zk_t(ji,jj) + zk_t(ji,jj+1) ) |
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| 127 | ! |
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| 128 | zu0_sd(ji,jj) = 0.5_wp * ( ut0sd(ji,jj) + ut0sd(ji+1,jj) ) |
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| 129 | zv0_sd(ji,jj) = 0.5_wp * ( vt0sd(ji,jj) + vt0sd(ji,jj+1) ) |
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| 130 | END DO |
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[7646] | 131 | END DO |
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[9115] | 132 | ELSE IF( ll_st_peakfr ) THEN ! peak wave number calculated from the peak frequency received by the wave model |
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[9966] | 133 | DO jj = 1, jpj |
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| 134 | DO ji = 1, jpi |
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| 135 | zk_t(ji,jj) = ( 2.0_wp * rpi * wfreq(ji,jj) ) * ( 2.0_wp * rpi * wfreq(ji,jj) ) / grav |
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| 136 | END DO |
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| 137 | END DO |
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[9023] | 138 | DO jj = 1, jpjm1 |
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| 139 | DO ji = 1, jpim1 |
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[9966] | 140 | zk_u(ji,jj) = 0.5_wp * ( zk_t(ji,jj) + zk_t(ji+1,jj) ) |
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| 141 | zk_v(ji,jj) = 0.5_wp * ( zk_t(ji,jj) + zk_t(ji,jj+1) ) |
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[9023] | 142 | ! |
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| 143 | zu0_sd(ji,jj) = 0.5_wp * ( ut0sd(ji,jj) + ut0sd(ji+1,jj) ) |
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| 144 | zv0_sd(ji,jj) = 0.5_wp * ( vt0sd(ji,jj) + vt0sd(ji,jj+1) ) |
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| 145 | END DO |
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| 146 | END DO |
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| 147 | ENDIF |
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[7646] | 148 | ! |
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| 149 | ! !== horizontal Stokes Drift 3D velocity ==! |
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[9115] | 150 | IF( ll_st_bv2014 ) THEN |
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[9023] | 151 | DO jk = 1, jpkm1 |
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| 152 | DO jj = 2, jpjm1 |
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| 153 | DO ji = 2, jpim1 |
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| 154 | zdep_u = 0.5_wp * ( gdept_n(ji,jj,jk) + gdept_n(ji+1,jj,jk) ) |
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| 155 | zdep_v = 0.5_wp * ( gdept_n(ji,jj,jk) + gdept_n(ji,jj+1,jk) ) |
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| 156 | ! |
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| 157 | zkh_u = zk_u(ji,jj) * zdep_u ! k * depth |
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| 158 | zkh_v = zk_v(ji,jj) * zdep_v |
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| 159 | ! ! Depth attenuation |
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| 160 | zda_u = EXP( -2.0_wp*zkh_u ) / ( 1.0_wp + 8.0_wp*zkh_u ) |
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| 161 | zda_v = EXP( -2.0_wp*zkh_v ) / ( 1.0_wp + 8.0_wp*zkh_v ) |
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| 162 | ! |
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| 163 | usd(ji,jj,jk) = zda_u * zu0_sd(ji,jj) * umask(ji,jj,jk) |
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| 164 | vsd(ji,jj,jk) = zda_v * zv0_sd(ji,jj) * vmask(ji,jj,jk) |
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| 165 | END DO |
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| 166 | END DO |
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[9019] | 167 | END DO |
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[9115] | 168 | ELSE IF( ll_st_li2017 .OR. ll_st_peakfr ) THEN |
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| 169 | ALLOCATE( zstokes_psi_u_top(jpi,jpj), zstokes_psi_v_top(jpi,jpj) ) |
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| 170 | DO jj = 1, jpjm1 ! exp. wave number & Stokes drift velocity at u- & v-points |
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| 171 | DO ji = 1, jpim1 |
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| 172 | zstokes_psi_u_top(ji,jj) = 0._wp |
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| 173 | zstokes_psi_v_top(ji,jj) = 0._wp |
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| 174 | END DO |
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| 175 | END DO |
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[9117] | 176 | zsqrtpi = SQRT(rpi) |
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| 177 | z_two_thirds = 2.0_wp / 3.0_wp |
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[9023] | 178 | DO jk = 1, jpkm1 |
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| 179 | DO jj = 2, jpjm1 |
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| 180 | DO ji = 2, jpim1 |
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[9117] | 181 | zbot_u = ( gdepw_n(ji,jj,jk+1) + gdepw_n(ji+1,jj,jk+1) ) ! 2 * bottom depth |
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| 182 | zbot_v = ( gdepw_n(ji,jj,jk+1) + gdepw_n(ji,jj+1,jk+1) ) ! 2 * bottom depth |
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| 183 | zkb_u = zk_u(ji,jj) * zbot_u ! 2 * k * bottom depth |
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| 184 | zkb_v = zk_v(ji,jj) * zbot_v ! 2 * k * bottom depth |
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[9023] | 185 | ! |
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[9115] | 186 | zke3_u = MAX(1.e-8_wp, 2.0_wp * zk_u(ji,jj) * e3u_n(ji,jj,jk)) ! 2k * thickness |
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| 187 | zke3_v = MAX(1.e-8_wp, 2.0_wp * zk_v(ji,jj) * e3v_n(ji,jj,jk)) ! 2k * thickness |
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| 188 | |
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| 189 | ! Depth attenuation .... do u component first.. |
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| 190 | zdepth = zkb_u |
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| 191 | zsqrt_depth = SQRT(zdepth) |
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| 192 | zexp_depth = EXP(-zdepth) |
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| 193 | zstokes_psi_u_bot = 1.0_wp - zexp_depth & |
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| 194 | & - z_two_thirds * ( zsqrtpi*zsqrt_depth*zdepth*ERFC(zsqrt_depth) & |
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| 195 | & + 1.0_wp - (1.0_wp + zdepth)*zexp_depth ) |
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| 196 | zda_u = ( zstokes_psi_u_bot - zstokes_psi_u_top(ji,jj) ) / zke3_u |
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| 197 | zstokes_psi_u_top(ji,jj) = zstokes_psi_u_bot |
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| 198 | |
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| 199 | ! ... and then v component |
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| 200 | zdepth =zkb_v |
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| 201 | zsqrt_depth = SQRT(zdepth) |
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| 202 | zexp_depth = EXP(-zdepth) |
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| 203 | zstokes_psi_v_bot = 1.0_wp - zexp_depth & |
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| 204 | & - z_two_thirds * ( zsqrtpi*zsqrt_depth*zdepth*ERFC(zsqrt_depth) & |
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| 205 | & + 1.0_wp - (1.0_wp + zdepth)*zexp_depth ) |
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| 206 | zda_v = ( zstokes_psi_v_bot - zstokes_psi_v_top(ji,jj) ) / zke3_v |
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| 207 | zstokes_psi_v_top(ji,jj) = zstokes_psi_v_bot |
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| 208 | ! |
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[9023] | 209 | usd(ji,jj,jk) = zda_u * zu0_sd(ji,jj) * umask(ji,jj,jk) |
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| 210 | vsd(ji,jj,jk) = zda_v * zv0_sd(ji,jj) * vmask(ji,jj,jk) |
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| 211 | END DO |
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[7646] | 212 | END DO |
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| 213 | END DO |
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[9115] | 214 | DEALLOCATE( zstokes_psi_u_top, zstokes_psi_v_top ) |
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[9023] | 215 | ENDIF |
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| 216 | |
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[10425] | 217 | CALL lbc_lnk_multi( 'sbcwave', usd, 'U', -1., vsd, 'V', -1. ) |
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[9019] | 218 | |
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[7646] | 219 | ! |
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| 220 | ! !== vertical Stokes Drift 3D velocity ==! |
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| 221 | ! |
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| 222 | DO jk = 1, jpkm1 ! Horizontal e3*divergence |
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| 223 | DO jj = 2, jpj |
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| 224 | DO ji = fs_2, jpi |
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| 225 | ze3divh(ji,jj,jk) = ( e2u(ji ,jj) * e3u_n(ji ,jj,jk) * usd(ji ,jj,jk) & |
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| 226 | & - e2u(ji-1,jj) * e3u_n(ji-1,jj,jk) * usd(ji-1,jj,jk) & |
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| 227 | & + e1v(ji,jj ) * e3v_n(ji,jj ,jk) * vsd(ji,jj ,jk) & |
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| 228 | & - e1v(ji,jj-1) * e3v_n(ji,jj-1,jk) * vsd(ji,jj-1,jk) ) * r1_e1e2t(ji,jj) |
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| 229 | END DO |
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| 230 | END DO |
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| 231 | END DO |
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| 232 | ! |
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[9019] | 233 | #if defined key_agrif |
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| 234 | IF( .NOT. Agrif_Root() ) THEN |
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[12737] | 235 | IF( l_Westedge ) ze3divh( 2:nbghostcells+1,: ,:) = 0._wp ! west |
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| 236 | IF( l_Eastedge ) ze3divh( nlci-nbghostcells:nlci-1,:,:) = 0._wp ! east |
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| 237 | IF( l_Southedge ) ze3divh( :,2:nbghostcells+1 ,:) = 0._wp ! south |
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| 238 | IF( l_Northedge ) ze3divh( :,nlcj-nbghostcells:nlcj-1,:) = 0._wp ! north |
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[7646] | 239 | ENDIF |
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[9019] | 240 | #endif |
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[7646] | 241 | ! |
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[10425] | 242 | CALL lbc_lnk( 'sbcwave', ze3divh, 'T', 1. ) |
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[7646] | 243 | ! |
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| 244 | IF( ln_linssh ) THEN ; ik = 1 ! none zero velocity through the sea surface |
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| 245 | ELSE ; ik = 2 ! w=0 at the surface (set one for all in sbc_wave_init) |
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| 246 | ENDIF |
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| 247 | DO jk = jpkm1, ik, -1 ! integrate from the bottom the hor. divergence (NB: at k=jpk w is always zero) |
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| 248 | wsd(:,:,jk) = wsd(:,:,jk+1) - ze3divh(:,:,jk) |
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| 249 | END DO |
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| 250 | ! |
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| 251 | IF( ln_bdy ) THEN |
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| 252 | DO jk = 1, jpkm1 |
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| 253 | wsd(:,:,jk) = wsd(:,:,jk) * bdytmask(:,:) |
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| 254 | END DO |
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| 255 | ENDIF |
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| 256 | ! !== Horizontal divergence of barotropic Stokes transport ==! |
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| 257 | div_sd(:,:) = 0._wp |
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| 258 | DO jk = 1, jpkm1 ! |
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| 259 | div_sd(:,:) = div_sd(:,:) + ze3divh(:,:,jk) |
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| 260 | END DO |
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| 261 | ! |
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| 262 | CALL iom_put( "ustokes", usd ) |
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| 263 | CALL iom_put( "vstokes", vsd ) |
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| 264 | CALL iom_put( "wstokes", wsd ) |
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| 265 | ! |
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[9115] | 266 | DEALLOCATE( ze3divh ) |
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| 267 | DEALLOCATE( zk_t, zk_u, zk_v, zu0_sd, zv0_sd ) |
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[7646] | 268 | ! |
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| 269 | END SUBROUTINE sbc_stokes |
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| 270 | |
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| 271 | |
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[9023] | 272 | SUBROUTINE sbc_wstress( ) |
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| 273 | !!--------------------------------------------------------------------- |
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| 274 | !! *** ROUTINE sbc_wstress *** |
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| 275 | !! |
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| 276 | !! ** Purpose : Updates the ocean momentum modified by waves |
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| 277 | !! |
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| 278 | !! ** Method : - Calculate u,v components of stress depending on stress |
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| 279 | !! model |
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| 280 | !! - Calculate the stress module |
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| 281 | !! - The wind module is not modified by waves |
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| 282 | !! ** action |
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| 283 | !!--------------------------------------------------------------------- |
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| 284 | INTEGER :: jj, ji ! dummy loop argument |
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| 285 | ! |
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[9033] | 286 | IF( ln_tauwoc ) THEN |
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[9023] | 287 | utau(:,:) = utau(:,:)*tauoc_wave(:,:) |
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| 288 | vtau(:,:) = vtau(:,:)*tauoc_wave(:,:) |
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| 289 | taum(:,:) = taum(:,:)*tauoc_wave(:,:) |
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| 290 | ENDIF |
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| 291 | ! |
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| 292 | IF( ln_tauw ) THEN |
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| 293 | DO jj = 1, jpjm1 |
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| 294 | DO ji = 1, jpim1 |
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| 295 | ! Stress components at u- & v-points |
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| 296 | utau(ji,jj) = 0.5_wp * ( tauw_x(ji,jj) + tauw_x(ji+1,jj) ) |
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| 297 | vtau(ji,jj) = 0.5_wp * ( tauw_y(ji,jj) + tauw_y(ji,jj+1) ) |
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| 298 | ! |
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| 299 | ! Stress module at t points |
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| 300 | taum(ji,jj) = SQRT( tauw_x(ji,jj)*tauw_x(ji,jj) + tauw_y(ji,jj)*tauw_y(ji,jj) ) |
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| 301 | END DO |
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| 302 | END DO |
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[10425] | 303 | CALL lbc_lnk_multi( 'sbcwave', utau(:,:), 'U', -1. , vtau(:,:), 'V', -1. , taum(:,:) , 'T', -1. ) |
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[9023] | 304 | ENDIF |
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| 305 | ! |
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| 306 | END SUBROUTINE sbc_wstress |
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| 307 | |
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| 308 | |
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[2990] | 309 | SUBROUTINE sbc_wave( kt ) |
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| 310 | !!--------------------------------------------------------------------- |
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[7646] | 311 | !! *** ROUTINE sbc_wave *** |
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[2990] | 312 | !! |
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[7646] | 313 | !! ** Purpose : read wave parameters from wave model in netcdf files. |
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[2990] | 314 | !! |
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| 315 | !! ** Method : - Read namelist namsbc_wave |
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| 316 | !! - Read Cd_n10 fields in netcdf files |
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[3680] | 317 | !! - Read stokes drift 2d in netcdf files |
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[7646] | 318 | !! - Read wave number in netcdf files |
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| 319 | !! - Compute 3d stokes drift using Breivik et al.,2014 |
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| 320 | !! formulation |
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| 321 | !! ** action |
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[2990] | 322 | !!--------------------------------------------------------------------- |
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[7646] | 323 | INTEGER, INTENT(in ) :: kt ! ocean time step |
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[2990] | 324 | !!--------------------------------------------------------------------- |
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| 325 | ! |
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[7646] | 326 | IF( ln_cdgw .AND. .NOT. cpl_wdrag ) THEN !== Neutral drag coefficient ==! |
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| 327 | CALL fld_read( kt, nn_fsbc, sf_cd ) ! read from external forcing |
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[9821] | 328 | cdn_wave(:,:) = sf_cd(1)%fnow(:,:,1) * tmask(:,:,1) |
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[7646] | 329 | ENDIF |
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| 330 | |
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[9115] | 331 | IF( ln_tauwoc .AND. .NOT. cpl_tauwoc ) THEN !== Wave induced stress ==! |
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| 332 | CALL fld_read( kt, nn_fsbc, sf_tauwoc ) ! read wave norm stress from external forcing |
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[9821] | 333 | tauoc_wave(:,:) = sf_tauwoc(1)%fnow(:,:,1) * tmask(:,:,1) |
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[7646] | 334 | ENDIF |
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| 335 | |
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[9023] | 336 | IF( ln_tauw .AND. .NOT. cpl_tauw ) THEN !== Wave induced stress ==! |
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| 337 | CALL fld_read( kt, nn_fsbc, sf_tauw ) ! read ocean stress components from external forcing (T grid) |
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[9821] | 338 | tauw_x(:,:) = sf_tauw(1)%fnow(:,:,1) * tmask(:,:,1) |
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| 339 | tauw_y(:,:) = sf_tauw(2)%fnow(:,:,1) * tmask(:,:,1) |
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[9023] | 340 | ENDIF |
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| 341 | |
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[7646] | 342 | IF( ln_sdw ) THEN !== Computation of the 3d Stokes Drift ==! |
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[6140] | 343 | ! |
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[7646] | 344 | IF( jpfld > 0 ) THEN ! Read from file only if the field is not coupled |
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| 345 | CALL fld_read( kt, nn_fsbc, sf_sd ) ! read wave parameters from external forcing |
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[9821] | 346 | IF( jp_hsw > 0 ) hsw (:,:) = sf_sd(jp_hsw)%fnow(:,:,1) * tmask(:,:,1) ! significant wave height |
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| 347 | IF( jp_wmp > 0 ) wmp (:,:) = sf_sd(jp_wmp)%fnow(:,:,1) * tmask(:,:,1) ! wave mean period |
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| 348 | IF( jp_wfr > 0 ) wfreq(:,:) = sf_sd(jp_wfr)%fnow(:,:,1) * tmask(:,:,1) ! Peak wave frequency |
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| 349 | IF( jp_usd > 0 ) ut0sd(:,:) = sf_sd(jp_usd)%fnow(:,:,1) * tmask(:,:,1) ! 2D zonal Stokes Drift at T point |
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| 350 | IF( jp_vsd > 0 ) vt0sd(:,:) = sf_sd(jp_vsd)%fnow(:,:,1) * tmask(:,:,1) ! 2D meridional Stokes Drift at T point |
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[7646] | 351 | ENDIF |
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[2990] | 352 | ! |
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[7646] | 353 | ! Read also wave number if needed, so that it is available in coupling routines |
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[9019] | 354 | IF( ln_zdfswm .AND. .NOT.cpl_wnum ) THEN |
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[7646] | 355 | CALL fld_read( kt, nn_fsbc, sf_wn ) ! read wave parameters from external forcing |
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[9821] | 356 | wnum(:,:) = sf_wn(1)%fnow(:,:,1) * tmask(:,:,1) |
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[6140] | 357 | ENDIF |
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[7646] | 358 | |
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[9115] | 359 | ! Calculate only if required fields have been read |
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| 360 | ! In coupled wave model-NEMO case the call is done after coupling |
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[6140] | 361 | ! |
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[9115] | 362 | IF( ( ll_st_bv_li .AND. jp_hsw>0 .AND. jp_wmp>0 .AND. jp_usd>0 .AND. jp_vsd>0 ) .OR. & |
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| 363 | & ( ll_st_peakfr .AND. jp_wfr>0 .AND. jp_usd>0 .AND. jp_vsd>0 ) ) CALL sbc_stokes() |
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[6140] | 364 | ! |
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[7646] | 365 | ENDIF |
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| 366 | ! |
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| 367 | END SUBROUTINE sbc_wave |
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| 368 | |
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| 369 | |
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| 370 | SUBROUTINE sbc_wave_init |
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| 371 | !!--------------------------------------------------------------------- |
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| 372 | !! *** ROUTINE sbc_wave_init *** |
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| 373 | !! |
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| 374 | !! ** Purpose : read wave parameters from wave model in netcdf files. |
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| 375 | !! |
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| 376 | !! ** Method : - Read namelist namsbc_wave |
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| 377 | !! - Read Cd_n10 fields in netcdf files |
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| 378 | !! - Read stokes drift 2d in netcdf files |
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| 379 | !! - Read wave number in netcdf files |
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| 380 | !! - Compute 3d stokes drift using Breivik et al.,2014 |
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| 381 | !! formulation |
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| 382 | !! ** action |
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| 383 | !!--------------------------------------------------------------------- |
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| 384 | INTEGER :: ierror, ios ! local integer |
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| 385 | INTEGER :: ifpr |
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| 386 | !! |
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[9115] | 387 | CHARACTER(len=100) :: cn_dir ! Root directory for location of drag coefficient files |
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[9023] | 388 | TYPE(FLD_N), ALLOCATABLE, DIMENSION(:) :: slf_i, slf_j ! array of namelist informations on the fields to read |
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[7646] | 389 | TYPE(FLD_N) :: sn_cdg, sn_usd, sn_vsd, & |
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[9023] | 390 | & sn_hsw, sn_wmp, sn_wfr, sn_wnum, & |
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[9115] | 391 | & sn_tauwoc, sn_tauwx, sn_tauwy ! informations about the fields to be read |
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[7646] | 392 | ! |
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[9023] | 393 | NAMELIST/namsbc_wave/ sn_cdg, cn_dir, sn_usd, sn_vsd, sn_hsw, sn_wmp, sn_wfr, & |
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[13255] | 394 | & sn_wnum, sn_tauwoc, sn_tauwx, sn_tauwy |
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[7646] | 395 | !!--------------------------------------------------------------------- |
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| 396 | ! |
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| 397 | REWIND( numnam_ref ) ! Namelist namsbc_wave in reference namelist : File for drag coeff. from wave model |
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| 398 | READ ( numnam_ref, namsbc_wave, IOSTAT = ios, ERR = 901) |
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[11536] | 399 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_wave in reference namelist' ) |
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[7646] | 400 | |
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| 401 | REWIND( numnam_cfg ) ! Namelist namsbc_wave in configuration namelist : File for drag coeff. from wave model |
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| 402 | READ ( numnam_cfg, namsbc_wave, IOSTAT = ios, ERR = 902 ) |
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[11536] | 403 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namsbc_wave in configuration namelist' ) |
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[7646] | 404 | IF(lwm) WRITE ( numond, namsbc_wave ) |
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| 405 | ! |
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| 406 | IF( ln_cdgw ) THEN |
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| 407 | IF( .NOT. cpl_wdrag ) THEN |
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[9115] | 408 | ALLOCATE( sf_cd(1), STAT=ierror ) !* allocate and fill sf_wave with sn_cdg |
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[7646] | 409 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable to allocate sf_wave structure' ) |
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[3680] | 410 | ! |
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| 411 | ALLOCATE( sf_cd(1)%fnow(jpi,jpj,1) ) |
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| 412 | IF( sn_cdg%ln_tint ) ALLOCATE( sf_cd(1)%fdta(jpi,jpj,1,2) ) |
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[7646] | 413 | CALL fld_fill( sf_cd, (/ sn_cdg /), cn_dir, 'sbc_wave_init', 'Wave module ', 'namsbc_wave' ) |
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[5836] | 414 | ENDIF |
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[7646] | 415 | ALLOCATE( cdn_wave(jpi,jpj) ) |
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| 416 | ENDIF |
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| 417 | |
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[9033] | 418 | IF( ln_tauwoc ) THEN |
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| 419 | IF( .NOT. cpl_tauwoc ) THEN |
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| 420 | ALLOCATE( sf_tauwoc(1), STAT=ierror ) !* allocate and fill sf_wave with sn_tauwoc |
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[7646] | 421 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable to allocate sf_wave structure' ) |
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[3680] | 422 | ! |
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[9115] | 423 | ALLOCATE( sf_tauwoc(1)%fnow(jpi,jpj,1) ) |
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[9033] | 424 | IF( sn_tauwoc%ln_tint ) ALLOCATE( sf_tauwoc(1)%fdta(jpi,jpj,1,2) ) |
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| 425 | CALL fld_fill( sf_tauwoc, (/ sn_tauwoc /), cn_dir, 'sbc_wave_init', 'Wave module', 'namsbc_wave' ) |
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[7646] | 426 | ENDIF |
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| 427 | ALLOCATE( tauoc_wave(jpi,jpj) ) |
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| 428 | ENDIF |
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| 429 | |
---|
[9023] | 430 | IF( ln_tauw ) THEN |
---|
| 431 | IF( .NOT. cpl_tauw ) THEN |
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| 432 | ALLOCATE( sf_tauw(2), STAT=ierror ) !* allocate and fill sf_wave with sn_tauwx/y |
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| 433 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable to allocate sf_tauw structure' ) |
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| 434 | ! |
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| 435 | ALLOCATE( slf_j(2) ) |
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| 436 | slf_j(1) = sn_tauwx |
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| 437 | slf_j(2) = sn_tauwy |
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| 438 | ALLOCATE( sf_tauw(1)%fnow(jpi,jpj,1) ) |
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| 439 | ALLOCATE( sf_tauw(2)%fnow(jpi,jpj,1) ) |
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| 440 | IF( slf_j(1)%ln_tint ) ALLOCATE( sf_tauw(1)%fdta(jpi,jpj,1,2) ) |
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| 441 | IF( slf_j(2)%ln_tint ) ALLOCATE( sf_tauw(2)%fdta(jpi,jpj,1,2) ) |
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| 442 | CALL fld_fill( sf_tauw, (/ slf_j /), cn_dir, 'sbc_wave_init', 'read wave input', 'namsbc_wave' ) |
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| 443 | ENDIF |
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| 444 | ALLOCATE( tauw_x(jpi,jpj) ) |
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| 445 | ALLOCATE( tauw_y(jpi,jpj) ) |
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| 446 | ENDIF |
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| 447 | |
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[7646] | 448 | IF( ln_sdw ) THEN ! Find out how many fields have to be read from file if not coupled |
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| 449 | jpfld=0 |
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[9023] | 450 | jp_usd=0 ; jp_vsd=0 ; jp_hsw=0 ; jp_wmp=0 ; jp_wfr=0 |
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[7646] | 451 | IF( .NOT. cpl_sdrftx ) THEN |
---|
| 452 | jpfld = jpfld + 1 |
---|
| 453 | jp_usd = jpfld |
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| 454 | ENDIF |
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| 455 | IF( .NOT. cpl_sdrfty ) THEN |
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| 456 | jpfld = jpfld + 1 |
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| 457 | jp_vsd = jpfld |
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| 458 | ENDIF |
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[9115] | 459 | IF( .NOT. cpl_hsig .AND. ll_st_bv_li ) THEN |
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[7646] | 460 | jpfld = jpfld + 1 |
---|
| 461 | jp_hsw = jpfld |
---|
| 462 | ENDIF |
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[9115] | 463 | IF( .NOT. cpl_wper .AND. ll_st_bv_li ) THEN |
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[7646] | 464 | jpfld = jpfld + 1 |
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| 465 | jp_wmp = jpfld |
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| 466 | ENDIF |
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[9115] | 467 | IF( .NOT. cpl_wfreq .AND. ll_st_peakfr ) THEN |
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[9023] | 468 | jpfld = jpfld + 1 |
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| 469 | jp_wfr = jpfld |
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| 470 | ENDIF |
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[7646] | 471 | |
---|
| 472 | ! Read from file only the non-coupled fields |
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| 473 | IF( jpfld > 0 ) THEN |
---|
| 474 | ALLOCATE( slf_i(jpfld) ) |
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| 475 | IF( jp_usd > 0 ) slf_i(jp_usd) = sn_usd |
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| 476 | IF( jp_vsd > 0 ) slf_i(jp_vsd) = sn_vsd |
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| 477 | IF( jp_hsw > 0 ) slf_i(jp_hsw) = sn_hsw |
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| 478 | IF( jp_wmp > 0 ) slf_i(jp_wmp) = sn_wmp |
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[9023] | 479 | IF( jp_wfr > 0 ) slf_i(jp_wfr) = sn_wfr |
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| 480 | |
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[7646] | 481 | ALLOCATE( sf_sd(jpfld), STAT=ierror ) !* allocate and fill sf_sd with stokes drift |
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| 482 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable to allocate sf_wave structure' ) |
---|
| 483 | ! |
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[3680] | 484 | DO ifpr= 1, jpfld |
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| 485 | ALLOCATE( sf_sd(ifpr)%fnow(jpi,jpj,1) ) |
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| 486 | IF( slf_i(ifpr)%ln_tint ) ALLOCATE( sf_sd(ifpr)%fdta(jpi,jpj,1,2) ) |
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| 487 | END DO |
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[7646] | 488 | ! |
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| 489 | CALL fld_fill( sf_sd, slf_i, cn_dir, 'sbc_wave_init', 'Wave module ', 'namsbc_wave' ) |
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[3680] | 490 | ENDIF |
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[7646] | 491 | ALLOCATE( usd (jpi,jpj,jpk), vsd (jpi,jpj,jpk), wsd(jpi,jpj,jpk) ) |
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| 492 | ALLOCATE( hsw (jpi,jpj) , wmp (jpi,jpj) ) |
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[9023] | 493 | ALLOCATE( wfreq(jpi,jpj) ) |
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[7646] | 494 | ALLOCATE( ut0sd(jpi,jpj) , vt0sd(jpi,jpj) ) |
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| 495 | ALLOCATE( div_sd(jpi,jpj) ) |
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| 496 | ALLOCATE( tsd2d (jpi,jpj) ) |
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[9019] | 497 | |
---|
| 498 | ut0sd(:,:) = 0._wp |
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| 499 | vt0sd(:,:) = 0._wp |
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| 500 | hsw(:,:) = 0._wp |
---|
| 501 | wmp(:,:) = 0._wp |
---|
| 502 | |
---|
[7646] | 503 | usd(:,:,:) = 0._wp |
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| 504 | vsd(:,:,:) = 0._wp |
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| 505 | wsd(:,:,:) = 0._wp |
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[9019] | 506 | ! Wave number needed only if ln_zdfswm=T |
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[7646] | 507 | IF( .NOT. cpl_wnum ) THEN |
---|
| 508 | ALLOCATE( sf_wn(1), STAT=ierror ) !* allocate and fill sf_wave with sn_wnum |
---|
| 509 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable toallocate sf_wave structure' ) |
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| 510 | ALLOCATE( sf_wn(1)%fnow(jpi,jpj,1) ) |
---|
| 511 | IF( sn_wnum%ln_tint ) ALLOCATE( sf_wn(1)%fdta(jpi,jpj,1,2) ) |
---|
| 512 | CALL fld_fill( sf_wn, (/ sn_wnum /), cn_dir, 'sbc_wave', 'Wave module', 'namsbc_wave' ) |
---|
[5836] | 513 | ENDIF |
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[7646] | 514 | ALLOCATE( wnum(jpi,jpj) ) |
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[3680] | 515 | ENDIF |
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[5836] | 516 | ! |
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[7646] | 517 | END SUBROUTINE sbc_wave_init |
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| 518 | |
---|
[2990] | 519 | !!====================================================================== |
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| 520 | END MODULE sbcwave |
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