[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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[9598] | 76 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[5215] | 77 | !! $Id$ |
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[9598] | 78 | !! Software governed by the CeCILL licence (./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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[9023] | 133 | DO jj = 1, jpjm1 |
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| 134 | DO ji = 1, jpim1 |
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| 135 | zk_u(ji,jj) = 0.5_wp * ( wfreq(ji,jj)*wfreq(ji,jj) + wfreq(ji+1,jj)*wfreq(ji+1,jj) ) / grav |
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| 136 | zk_v(ji,jj) = 0.5_wp * ( wfreq(ji,jj)*wfreq(ji,jj) + wfreq(ji,jj+1)*wfreq(ji,jj+1) ) / grav |
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| 137 | ! |
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| 138 | zu0_sd(ji,jj) = 0.5_wp * ( ut0sd(ji,jj) + ut0sd(ji+1,jj) ) |
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| 139 | zv0_sd(ji,jj) = 0.5_wp * ( vt0sd(ji,jj) + vt0sd(ji,jj+1) ) |
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| 140 | END DO |
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| 141 | END DO |
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| 142 | ENDIF |
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[7646] | 143 | ! |
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| 144 | ! !== horizontal Stokes Drift 3D velocity ==! |
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[9115] | 145 | IF( ll_st_bv2014 ) THEN |
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[9023] | 146 | DO jk = 1, jpkm1 |
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| 147 | DO jj = 2, jpjm1 |
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| 148 | DO ji = 2, jpim1 |
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| 149 | zdep_u = 0.5_wp * ( gdept_n(ji,jj,jk) + gdept_n(ji+1,jj,jk) ) |
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| 150 | zdep_v = 0.5_wp * ( gdept_n(ji,jj,jk) + gdept_n(ji,jj+1,jk) ) |
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| 151 | ! |
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| 152 | zkh_u = zk_u(ji,jj) * zdep_u ! k * depth |
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| 153 | zkh_v = zk_v(ji,jj) * zdep_v |
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| 154 | ! ! Depth attenuation |
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| 155 | zda_u = EXP( -2.0_wp*zkh_u ) / ( 1.0_wp + 8.0_wp*zkh_u ) |
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| 156 | zda_v = EXP( -2.0_wp*zkh_v ) / ( 1.0_wp + 8.0_wp*zkh_v ) |
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| 157 | ! |
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| 158 | usd(ji,jj,jk) = zda_u * zu0_sd(ji,jj) * umask(ji,jj,jk) |
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| 159 | vsd(ji,jj,jk) = zda_v * zv0_sd(ji,jj) * vmask(ji,jj,jk) |
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| 160 | END DO |
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| 161 | END DO |
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[9019] | 162 | END DO |
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[9115] | 163 | ELSE IF( ll_st_li2017 .OR. ll_st_peakfr ) THEN |
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| 164 | ALLOCATE( zstokes_psi_u_top(jpi,jpj), zstokes_psi_v_top(jpi,jpj) ) |
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| 165 | DO jj = 1, jpjm1 ! exp. wave number & Stokes drift velocity at u- & v-points |
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| 166 | DO ji = 1, jpim1 |
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| 167 | zstokes_psi_u_top(ji,jj) = 0._wp |
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| 168 | zstokes_psi_v_top(ji,jj) = 0._wp |
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| 169 | END DO |
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| 170 | END DO |
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[9117] | 171 | zsqrtpi = SQRT(rpi) |
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| 172 | z_two_thirds = 2.0_wp / 3.0_wp |
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[9023] | 173 | DO jk = 1, jpkm1 |
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| 174 | DO jj = 2, jpjm1 |
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| 175 | DO ji = 2, jpim1 |
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[9117] | 176 | zbot_u = ( gdepw_n(ji,jj,jk+1) + gdepw_n(ji+1,jj,jk+1) ) ! 2 * bottom depth |
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| 177 | zbot_v = ( gdepw_n(ji,jj,jk+1) + gdepw_n(ji,jj+1,jk+1) ) ! 2 * bottom depth |
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| 178 | zkb_u = zk_u(ji,jj) * zbot_u ! 2 * k * bottom depth |
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| 179 | zkb_v = zk_v(ji,jj) * zbot_v ! 2 * k * bottom depth |
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[9023] | 180 | ! |
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[9115] | 181 | 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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| 182 | 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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| 183 | |
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| 184 | ! Depth attenuation .... do u component first.. |
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| 185 | zdepth = zkb_u |
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| 186 | zsqrt_depth = SQRT(zdepth) |
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| 187 | zexp_depth = EXP(-zdepth) |
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| 188 | zstokes_psi_u_bot = 1.0_wp - zexp_depth & |
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| 189 | & - z_two_thirds * ( zsqrtpi*zsqrt_depth*zdepth*ERFC(zsqrt_depth) & |
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| 190 | & + 1.0_wp - (1.0_wp + zdepth)*zexp_depth ) |
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| 191 | zda_u = ( zstokes_psi_u_bot - zstokes_psi_u_top(ji,jj) ) / zke3_u |
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| 192 | zstokes_psi_u_top(ji,jj) = zstokes_psi_u_bot |
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| 193 | |
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| 194 | ! ... and then v component |
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| 195 | zdepth =zkb_v |
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| 196 | zsqrt_depth = SQRT(zdepth) |
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| 197 | zexp_depth = EXP(-zdepth) |
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| 198 | zstokes_psi_v_bot = 1.0_wp - zexp_depth & |
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| 199 | & - z_two_thirds * ( zsqrtpi*zsqrt_depth*zdepth*ERFC(zsqrt_depth) & |
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| 200 | & + 1.0_wp - (1.0_wp + zdepth)*zexp_depth ) |
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| 201 | zda_v = ( zstokes_psi_v_bot - zstokes_psi_v_top(ji,jj) ) / zke3_v |
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| 202 | zstokes_psi_v_top(ji,jj) = zstokes_psi_v_bot |
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| 203 | ! |
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[9023] | 204 | usd(ji,jj,jk) = zda_u * zu0_sd(ji,jj) * umask(ji,jj,jk) |
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| 205 | vsd(ji,jj,jk) = zda_v * zv0_sd(ji,jj) * vmask(ji,jj,jk) |
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| 206 | END DO |
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[7646] | 207 | END DO |
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| 208 | END DO |
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[9115] | 209 | DEALLOCATE( zstokes_psi_u_top, zstokes_psi_v_top ) |
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[9023] | 210 | ENDIF |
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| 211 | |
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[9098] | 212 | CALL lbc_lnk_multi( usd, 'U', -1., vsd, 'V', -1. ) |
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[9019] | 213 | |
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[7646] | 214 | ! |
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| 215 | ! !== vertical Stokes Drift 3D velocity ==! |
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| 216 | ! |
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| 217 | DO jk = 1, jpkm1 ! Horizontal e3*divergence |
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| 218 | DO jj = 2, jpj |
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| 219 | DO ji = fs_2, jpi |
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| 220 | ze3divh(ji,jj,jk) = ( e2u(ji ,jj) * e3u_n(ji ,jj,jk) * usd(ji ,jj,jk) & |
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| 221 | & - e2u(ji-1,jj) * e3u_n(ji-1,jj,jk) * usd(ji-1,jj,jk) & |
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| 222 | & + e1v(ji,jj ) * e3v_n(ji,jj ,jk) * vsd(ji,jj ,jk) & |
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| 223 | & - e1v(ji,jj-1) * e3v_n(ji,jj-1,jk) * vsd(ji,jj-1,jk) ) * r1_e1e2t(ji,jj) |
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| 224 | END DO |
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| 225 | END DO |
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| 226 | END DO |
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| 227 | ! |
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[9019] | 228 | #if defined key_agrif |
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| 229 | IF( .NOT. Agrif_Root() ) THEN |
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| 230 | IF( nbondi == -1 .OR. nbondi == 2 ) ze3divh( 2:nbghostcells+1,: ,:) = 0._wp ! west |
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| 231 | IF( nbondi == 1 .OR. nbondi == 2 ) ze3divh( nlci-nbghostcells:nlci-1,:,:) = 0._wp ! east |
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| 232 | IF( nbondj == -1 .OR. nbondj == 2 ) ze3divh( :,2:nbghostcells+1 ,:) = 0._wp ! south |
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| 233 | IF( nbondj == 1 .OR. nbondj == 2 ) ze3divh( :,nlcj-nbghostcells:nlcj-1,:) = 0._wp ! north |
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[7646] | 234 | ENDIF |
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[9019] | 235 | #endif |
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[7646] | 236 | ! |
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| 237 | CALL lbc_lnk( ze3divh, 'T', 1. ) |
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| 238 | ! |
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| 239 | IF( ln_linssh ) THEN ; ik = 1 ! none zero velocity through the sea surface |
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| 240 | ELSE ; ik = 2 ! w=0 at the surface (set one for all in sbc_wave_init) |
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| 241 | ENDIF |
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| 242 | DO jk = jpkm1, ik, -1 ! integrate from the bottom the hor. divergence (NB: at k=jpk w is always zero) |
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| 243 | wsd(:,:,jk) = wsd(:,:,jk+1) - ze3divh(:,:,jk) |
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| 244 | END DO |
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| 245 | ! |
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| 246 | IF( ln_bdy ) THEN |
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| 247 | DO jk = 1, jpkm1 |
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| 248 | wsd(:,:,jk) = wsd(:,:,jk) * bdytmask(:,:) |
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| 249 | END DO |
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| 250 | ENDIF |
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| 251 | ! !== Horizontal divergence of barotropic Stokes transport ==! |
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| 252 | div_sd(:,:) = 0._wp |
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| 253 | DO jk = 1, jpkm1 ! |
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| 254 | div_sd(:,:) = div_sd(:,:) + ze3divh(:,:,jk) |
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| 255 | END DO |
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| 256 | ! |
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| 257 | CALL iom_put( "ustokes", usd ) |
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| 258 | CALL iom_put( "vstokes", vsd ) |
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| 259 | CALL iom_put( "wstokes", wsd ) |
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| 260 | ! |
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[9115] | 261 | DEALLOCATE( ze3divh ) |
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| 262 | DEALLOCATE( zk_t, zk_u, zk_v, zu0_sd, zv0_sd ) |
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[7646] | 263 | ! |
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| 264 | END SUBROUTINE sbc_stokes |
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| 265 | |
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| 266 | |
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[9023] | 267 | SUBROUTINE sbc_wstress( ) |
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| 268 | !!--------------------------------------------------------------------- |
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| 269 | !! *** ROUTINE sbc_wstress *** |
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| 270 | !! |
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| 271 | !! ** Purpose : Updates the ocean momentum modified by waves |
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| 272 | !! |
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| 273 | !! ** Method : - Calculate u,v components of stress depending on stress |
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| 274 | !! model |
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| 275 | !! - Calculate the stress module |
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| 276 | !! - The wind module is not modified by waves |
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| 277 | !! ** action |
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| 278 | !!--------------------------------------------------------------------- |
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| 279 | INTEGER :: jj, ji ! dummy loop argument |
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| 280 | ! |
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[9033] | 281 | IF( ln_tauwoc ) THEN |
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[9023] | 282 | utau(:,:) = utau(:,:)*tauoc_wave(:,:) |
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| 283 | vtau(:,:) = vtau(:,:)*tauoc_wave(:,:) |
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| 284 | taum(:,:) = taum(:,:)*tauoc_wave(:,:) |
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| 285 | ENDIF |
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| 286 | ! |
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| 287 | IF( ln_tauw ) THEN |
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| 288 | DO jj = 1, jpjm1 |
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| 289 | DO ji = 1, jpim1 |
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| 290 | ! Stress components at u- & v-points |
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| 291 | utau(ji,jj) = 0.5_wp * ( tauw_x(ji,jj) + tauw_x(ji+1,jj) ) |
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| 292 | vtau(ji,jj) = 0.5_wp * ( tauw_y(ji,jj) + tauw_y(ji,jj+1) ) |
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| 293 | ! |
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| 294 | ! Stress module at t points |
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| 295 | taum(ji,jj) = SQRT( tauw_x(ji,jj)*tauw_x(ji,jj) + tauw_y(ji,jj)*tauw_y(ji,jj) ) |
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| 296 | END DO |
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| 297 | END DO |
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| 298 | CALL lbc_lnk_multi( utau(:,:), 'U', -1. , vtau(:,:), 'V', -1. , taum(:,:) , 'T', -1. ) |
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| 299 | ENDIF |
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| 300 | ! |
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| 301 | END SUBROUTINE sbc_wstress |
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| 302 | |
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| 303 | |
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[2990] | 304 | SUBROUTINE sbc_wave( kt ) |
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| 305 | !!--------------------------------------------------------------------- |
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[7646] | 306 | !! *** ROUTINE sbc_wave *** |
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[2990] | 307 | !! |
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[7646] | 308 | !! ** Purpose : read wave parameters from wave model in netcdf files. |
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[2990] | 309 | !! |
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| 310 | !! ** Method : - Read namelist namsbc_wave |
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| 311 | !! - Read Cd_n10 fields in netcdf files |
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[3680] | 312 | !! - Read stokes drift 2d in netcdf files |
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[7646] | 313 | !! - Read wave number in netcdf files |
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| 314 | !! - Compute 3d stokes drift using Breivik et al.,2014 |
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| 315 | !! formulation |
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| 316 | !! ** action |
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[2990] | 317 | !!--------------------------------------------------------------------- |
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[7646] | 318 | INTEGER, INTENT(in ) :: kt ! ocean time step |
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[2990] | 319 | !!--------------------------------------------------------------------- |
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| 320 | ! |
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[7646] | 321 | IF( ln_cdgw .AND. .NOT. cpl_wdrag ) THEN !== Neutral drag coefficient ==! |
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| 322 | CALL fld_read( kt, nn_fsbc, sf_cd ) ! read from external forcing |
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[9821] | 323 | cdn_wave(:,:) = sf_cd(1)%fnow(:,:,1) * tmask(:,:,1) |
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[7646] | 324 | ENDIF |
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| 325 | |
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[9115] | 326 | IF( ln_tauwoc .AND. .NOT. cpl_tauwoc ) THEN !== Wave induced stress ==! |
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| 327 | CALL fld_read( kt, nn_fsbc, sf_tauwoc ) ! read wave norm stress from external forcing |
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[9821] | 328 | tauoc_wave(:,:) = sf_tauwoc(1)%fnow(:,:,1) * tmask(:,:,1) |
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[7646] | 329 | ENDIF |
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| 330 | |
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[9023] | 331 | IF( ln_tauw .AND. .NOT. cpl_tauw ) THEN !== Wave induced stress ==! |
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| 332 | CALL fld_read( kt, nn_fsbc, sf_tauw ) ! read ocean stress components from external forcing (T grid) |
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[9821] | 333 | tauw_x(:,:) = sf_tauw(1)%fnow(:,:,1) * tmask(:,:,1) |
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| 334 | tauw_y(:,:) = sf_tauw(2)%fnow(:,:,1) * tmask(:,:,1) |
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[9023] | 335 | ENDIF |
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| 336 | |
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[7646] | 337 | IF( ln_sdw ) THEN !== Computation of the 3d Stokes Drift ==! |
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[6140] | 338 | ! |
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[7646] | 339 | IF( jpfld > 0 ) THEN ! Read from file only if the field is not coupled |
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| 340 | CALL fld_read( kt, nn_fsbc, sf_sd ) ! read wave parameters from external forcing |
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[9821] | 341 | IF( jp_hsw > 0 ) hsw (:,:) = sf_sd(jp_hsw)%fnow(:,:,1) * tmask(:,:,1) ! significant wave height |
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| 342 | IF( jp_wmp > 0 ) wmp (:,:) = sf_sd(jp_wmp)%fnow(:,:,1) * tmask(:,:,1) ! wave mean period |
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| 343 | IF( jp_wfr > 0 ) wfreq(:,:) = sf_sd(jp_wfr)%fnow(:,:,1) * tmask(:,:,1) ! Peak wave frequency |
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| 344 | IF( jp_usd > 0 ) ut0sd(:,:) = sf_sd(jp_usd)%fnow(:,:,1) * tmask(:,:,1) ! 2D zonal Stokes Drift at T point |
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| 345 | 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] | 346 | ENDIF |
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[2990] | 347 | ! |
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[7646] | 348 | ! Read also wave number if needed, so that it is available in coupling routines |
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[9019] | 349 | IF( ln_zdfswm .AND. .NOT.cpl_wnum ) THEN |
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[7646] | 350 | CALL fld_read( kt, nn_fsbc, sf_wn ) ! read wave parameters from external forcing |
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[9821] | 351 | wnum(:,:) = sf_wn(1)%fnow(:,:,1) * tmask(:,:,1) |
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[6140] | 352 | ENDIF |
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[7646] | 353 | |
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[9115] | 354 | ! Calculate only if required fields have been read |
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| 355 | ! In coupled wave model-NEMO case the call is done after coupling |
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[6140] | 356 | ! |
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[9115] | 357 | 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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| 358 | & ( ll_st_peakfr .AND. jp_wfr>0 .AND. jp_usd>0 .AND. jp_vsd>0 ) ) CALL sbc_stokes() |
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[6140] | 359 | ! |
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[7646] | 360 | ENDIF |
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| 361 | ! |
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| 362 | END SUBROUTINE sbc_wave |
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| 363 | |
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| 364 | |
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| 365 | SUBROUTINE sbc_wave_init |
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| 366 | !!--------------------------------------------------------------------- |
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| 367 | !! *** ROUTINE sbc_wave_init *** |
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| 368 | !! |
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| 369 | !! ** Purpose : read wave parameters from wave model in netcdf files. |
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| 370 | !! |
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| 371 | !! ** Method : - Read namelist namsbc_wave |
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| 372 | !! - Read Cd_n10 fields in netcdf files |
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| 373 | !! - Read stokes drift 2d in netcdf files |
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| 374 | !! - Read wave number in netcdf files |
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| 375 | !! - Compute 3d stokes drift using Breivik et al.,2014 |
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| 376 | !! formulation |
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| 377 | !! ** action |
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| 378 | !!--------------------------------------------------------------------- |
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| 379 | INTEGER :: ierror, ios ! local integer |
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| 380 | INTEGER :: ifpr |
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| 381 | !! |
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[9115] | 382 | CHARACTER(len=100) :: cn_dir ! Root directory for location of drag coefficient files |
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[9023] | 383 | TYPE(FLD_N), ALLOCATABLE, DIMENSION(:) :: slf_i, slf_j ! array of namelist informations on the fields to read |
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[7646] | 384 | TYPE(FLD_N) :: sn_cdg, sn_usd, sn_vsd, & |
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[9023] | 385 | & sn_hsw, sn_wmp, sn_wfr, sn_wnum, & |
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[9115] | 386 | & sn_tauwoc, sn_tauwx, sn_tauwy ! informations about the fields to be read |
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[7646] | 387 | ! |
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[9023] | 388 | NAMELIST/namsbc_wave/ sn_cdg, cn_dir, sn_usd, sn_vsd, sn_hsw, sn_wmp, sn_wfr, & |
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[9033] | 389 | sn_wnum, sn_tauwoc, sn_tauwx, sn_tauwy |
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[7646] | 390 | !!--------------------------------------------------------------------- |
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| 391 | ! |
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| 392 | REWIND( numnam_ref ) ! Namelist namsbc_wave in reference namelist : File for drag coeff. from wave model |
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| 393 | READ ( numnam_ref, namsbc_wave, IOSTAT = ios, ERR = 901) |
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[9168] | 394 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_wave in reference namelist', lwp ) |
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[7646] | 395 | |
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| 396 | REWIND( numnam_cfg ) ! Namelist namsbc_wave in configuration namelist : File for drag coeff. from wave model |
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| 397 | READ ( numnam_cfg, namsbc_wave, IOSTAT = ios, ERR = 902 ) |
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[9168] | 398 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namsbc_wave in configuration namelist', lwp ) |
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[7646] | 399 | IF(lwm) WRITE ( numond, namsbc_wave ) |
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| 400 | ! |
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| 401 | IF( ln_cdgw ) THEN |
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| 402 | IF( .NOT. cpl_wdrag ) THEN |
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[9115] | 403 | ALLOCATE( sf_cd(1), STAT=ierror ) !* allocate and fill sf_wave with sn_cdg |
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[7646] | 404 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable to allocate sf_wave structure' ) |
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[3680] | 405 | ! |
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| 406 | ALLOCATE( sf_cd(1)%fnow(jpi,jpj,1) ) |
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| 407 | IF( sn_cdg%ln_tint ) ALLOCATE( sf_cd(1)%fdta(jpi,jpj,1,2) ) |
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[7646] | 408 | CALL fld_fill( sf_cd, (/ sn_cdg /), cn_dir, 'sbc_wave_init', 'Wave module ', 'namsbc_wave' ) |
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[5836] | 409 | ENDIF |
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[7646] | 410 | ALLOCATE( cdn_wave(jpi,jpj) ) |
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| 411 | ENDIF |
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| 412 | |
---|
[9033] | 413 | IF( ln_tauwoc ) THEN |
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| 414 | IF( .NOT. cpl_tauwoc ) THEN |
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| 415 | ALLOCATE( sf_tauwoc(1), STAT=ierror ) !* allocate and fill sf_wave with sn_tauwoc |
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[7646] | 416 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable to allocate sf_wave structure' ) |
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[3680] | 417 | ! |
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[9115] | 418 | ALLOCATE( sf_tauwoc(1)%fnow(jpi,jpj,1) ) |
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[9033] | 419 | IF( sn_tauwoc%ln_tint ) ALLOCATE( sf_tauwoc(1)%fdta(jpi,jpj,1,2) ) |
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| 420 | CALL fld_fill( sf_tauwoc, (/ sn_tauwoc /), cn_dir, 'sbc_wave_init', 'Wave module', 'namsbc_wave' ) |
---|
[7646] | 421 | ENDIF |
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| 422 | ALLOCATE( tauoc_wave(jpi,jpj) ) |
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| 423 | ENDIF |
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| 424 | |
---|
[9023] | 425 | IF( ln_tauw ) THEN |
---|
| 426 | IF( .NOT. cpl_tauw ) THEN |
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| 427 | ALLOCATE( sf_tauw(2), STAT=ierror ) !* allocate and fill sf_wave with sn_tauwx/y |
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| 428 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable to allocate sf_tauw structure' ) |
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| 429 | ! |
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| 430 | ALLOCATE( slf_j(2) ) |
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| 431 | slf_j(1) = sn_tauwx |
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| 432 | slf_j(2) = sn_tauwy |
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| 433 | ALLOCATE( sf_tauw(1)%fnow(jpi,jpj,1) ) |
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| 434 | ALLOCATE( sf_tauw(2)%fnow(jpi,jpj,1) ) |
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| 435 | IF( slf_j(1)%ln_tint ) ALLOCATE( sf_tauw(1)%fdta(jpi,jpj,1,2) ) |
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| 436 | IF( slf_j(2)%ln_tint ) ALLOCATE( sf_tauw(2)%fdta(jpi,jpj,1,2) ) |
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| 437 | CALL fld_fill( sf_tauw, (/ slf_j /), cn_dir, 'sbc_wave_init', 'read wave input', 'namsbc_wave' ) |
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| 438 | ENDIF |
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| 439 | ALLOCATE( tauw_x(jpi,jpj) ) |
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| 440 | ALLOCATE( tauw_y(jpi,jpj) ) |
---|
| 441 | ENDIF |
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| 442 | |
---|
[7646] | 443 | IF( ln_sdw ) THEN ! Find out how many fields have to be read from file if not coupled |
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| 444 | jpfld=0 |
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[9023] | 445 | jp_usd=0 ; jp_vsd=0 ; jp_hsw=0 ; jp_wmp=0 ; jp_wfr=0 |
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[7646] | 446 | IF( .NOT. cpl_sdrftx ) THEN |
---|
| 447 | jpfld = jpfld + 1 |
---|
| 448 | jp_usd = jpfld |
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| 449 | ENDIF |
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| 450 | IF( .NOT. cpl_sdrfty ) THEN |
---|
| 451 | jpfld = jpfld + 1 |
---|
| 452 | jp_vsd = jpfld |
---|
| 453 | ENDIF |
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[9115] | 454 | IF( .NOT. cpl_hsig .AND. ll_st_bv_li ) THEN |
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[7646] | 455 | jpfld = jpfld + 1 |
---|
| 456 | jp_hsw = jpfld |
---|
| 457 | ENDIF |
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[9115] | 458 | IF( .NOT. cpl_wper .AND. ll_st_bv_li ) THEN |
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[7646] | 459 | jpfld = jpfld + 1 |
---|
| 460 | jp_wmp = jpfld |
---|
| 461 | ENDIF |
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[9115] | 462 | IF( .NOT. cpl_wfreq .AND. ll_st_peakfr ) THEN |
---|
[9023] | 463 | jpfld = jpfld + 1 |
---|
| 464 | jp_wfr = jpfld |
---|
| 465 | ENDIF |
---|
[7646] | 466 | |
---|
| 467 | ! Read from file only the non-coupled fields |
---|
| 468 | IF( jpfld > 0 ) THEN |
---|
| 469 | ALLOCATE( slf_i(jpfld) ) |
---|
| 470 | IF( jp_usd > 0 ) slf_i(jp_usd) = sn_usd |
---|
| 471 | IF( jp_vsd > 0 ) slf_i(jp_vsd) = sn_vsd |
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| 472 | IF( jp_hsw > 0 ) slf_i(jp_hsw) = sn_hsw |
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| 473 | IF( jp_wmp > 0 ) slf_i(jp_wmp) = sn_wmp |
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[9023] | 474 | IF( jp_wfr > 0 ) slf_i(jp_wfr) = sn_wfr |
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| 475 | |
---|
[7646] | 476 | ALLOCATE( sf_sd(jpfld), STAT=ierror ) !* allocate and fill sf_sd with stokes drift |
---|
| 477 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable to allocate sf_wave structure' ) |
---|
| 478 | ! |
---|
[3680] | 479 | DO ifpr= 1, jpfld |
---|
| 480 | ALLOCATE( sf_sd(ifpr)%fnow(jpi,jpj,1) ) |
---|
| 481 | IF( slf_i(ifpr)%ln_tint ) ALLOCATE( sf_sd(ifpr)%fdta(jpi,jpj,1,2) ) |
---|
| 482 | END DO |
---|
[7646] | 483 | ! |
---|
| 484 | CALL fld_fill( sf_sd, slf_i, cn_dir, 'sbc_wave_init', 'Wave module ', 'namsbc_wave' ) |
---|
[3680] | 485 | ENDIF |
---|
[7646] | 486 | ALLOCATE( usd (jpi,jpj,jpk), vsd (jpi,jpj,jpk), wsd(jpi,jpj,jpk) ) |
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| 487 | ALLOCATE( hsw (jpi,jpj) , wmp (jpi,jpj) ) |
---|
[9023] | 488 | ALLOCATE( wfreq(jpi,jpj) ) |
---|
[7646] | 489 | ALLOCATE( ut0sd(jpi,jpj) , vt0sd(jpi,jpj) ) |
---|
| 490 | ALLOCATE( div_sd(jpi,jpj) ) |
---|
| 491 | ALLOCATE( tsd2d (jpi,jpj) ) |
---|
[9019] | 492 | |
---|
| 493 | ut0sd(:,:) = 0._wp |
---|
| 494 | vt0sd(:,:) = 0._wp |
---|
| 495 | hsw(:,:) = 0._wp |
---|
| 496 | wmp(:,:) = 0._wp |
---|
| 497 | |
---|
[7646] | 498 | usd(:,:,:) = 0._wp |
---|
| 499 | vsd(:,:,:) = 0._wp |
---|
| 500 | wsd(:,:,:) = 0._wp |
---|
[9019] | 501 | ! Wave number needed only if ln_zdfswm=T |
---|
[7646] | 502 | IF( .NOT. cpl_wnum ) THEN |
---|
| 503 | ALLOCATE( sf_wn(1), STAT=ierror ) !* allocate and fill sf_wave with sn_wnum |
---|
| 504 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_wave_init: unable toallocate sf_wave structure' ) |
---|
| 505 | ALLOCATE( sf_wn(1)%fnow(jpi,jpj,1) ) |
---|
| 506 | IF( sn_wnum%ln_tint ) ALLOCATE( sf_wn(1)%fdta(jpi,jpj,1,2) ) |
---|
| 507 | CALL fld_fill( sf_wn, (/ sn_wnum /), cn_dir, 'sbc_wave', 'Wave module', 'namsbc_wave' ) |
---|
[5836] | 508 | ENDIF |
---|
[7646] | 509 | ALLOCATE( wnum(jpi,jpj) ) |
---|
[3680] | 510 | ENDIF |
---|
[5836] | 511 | ! |
---|
[7646] | 512 | END SUBROUTINE sbc_wave_init |
---|
| 513 | |
---|
[2990] | 514 | !!====================================================================== |
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| 515 | END MODULE sbcwave |
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