[2136] | 1 | !************************************************************************ |
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| 2 | ! Fortran 95 OPA Nesting tools * |
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| 3 | ! * |
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| 4 | ! Copyright (C) 2005 Florian Lemarié (Florian.Lemarie@imag.fr) * |
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| 5 | ! Laurent Debreu (Laurent.Debreu@imag.fr) * |
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| 6 | !************************************************************************ |
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| 7 | ! |
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| 8 | MODULE agrif_partial_steps |
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| 9 | ! |
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| 10 | USE agrif_types |
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| 11 | CONTAINS |
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| 12 | |
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| 13 | |
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| 14 | |
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| 15 | |
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| 16 | |
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| 17 | ! |
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| 18 | !************************************************************************ |
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| 19 | ! * |
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| 20 | ! MODULE AGRIF_PARTIAL_STEPS * |
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| 21 | ! * |
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| 22 | !************************************************************************ |
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| 23 | |
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| 24 | |
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| 25 | !************************************************************************ |
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| 26 | ! * |
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| 27 | ! Subroutine get_partial_steps * |
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| 28 | ! * |
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| 29 | ! subroutine to compute gdepw_ps on the input grid (based on NEMO code) * |
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| 30 | ! * |
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| 31 | !************************************************************************ |
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| 32 | ! |
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| 33 | SUBROUTINE get_partial_steps(Grid) |
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| 34 | ! |
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| 35 | IMPLICIT NONE |
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| 36 | ! |
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| 37 | TYPE(Coordinates) :: Grid |
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[7731] | 38 | REAL*8 :: za2,za1,za0,zsur,zacr,zkth,zacr2,zkth2,zdepth,zdepwp,zmin,zmax,zdiff,ze3tp,ze3wp |
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[2136] | 39 | INTEGER :: i,j,jk,jj,ji,jpj,jpi,ik,ii,ipt,jpt |
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| 40 | INTEGER, DIMENSION(1) :: k |
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| 41 | INTEGER :: k1 |
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| 42 | REAL*8, POINTER, DIMENSION(:) :: gdepw,gdept,e3w,e3t |
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| 43 | REAL*8, POINTER, DIMENSION(:,:) :: hdepw,e3tp,e3wp |
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| 44 | REAL*8, POINTER, DIMENSION(:,:,:) :: gdept_ps,gdepw_ps |
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| 45 | REAL*8 e3t_ps |
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| 46 | |
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| 47 | ! |
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| 48 | WRITE(*,*) 'convert bathymetry from etopo for partial step z-coordinate case' |
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| 49 | WRITE(*,*) 'minimum thickness of partial step e3zps_min = ', e3zps_min, ' (m)' |
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| 50 | WRITE(*,*) ' step level e3zps_rat = ', e3zps_rat |
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| 51 | ! |
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| 52 | jpi = SIZE(Grid%bathy_meter,1) |
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| 53 | jpj = SIZE(Grid%bathy_meter,2) |
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| 54 | ! |
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| 55 | ALLOCATE(gdepw(N),gdept(N),e3w(N),e3t(N)) |
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| 56 | ALLOCATE(gdepw_ps(jpi,jpj,N)) |
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| 57 | IF (.NOT.ASSOCIATED(Grid%bathy_level)) ALLOCATE(Grid%bathy_level(jpi,jpj)) |
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| 58 | ! |
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| 59 | IF ( ( pa0 == 0 .OR. pa1 == 0 .OR. psur == 0 ) & |
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| 60 | .AND. ppdzmin.NE.0 .AND. pphmax.NE.0 ) THEN |
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| 61 | ! |
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| 62 | WRITE(*,*) 'psur,pa0,pa1 computed' |
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| 63 | za1=( ppdzmin - pphmax / (N-1) ) & |
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| 64 | / ( TANH((1-ppkth)/ppacr) - ppacr/(N-1) & |
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| 65 | * ( LOG( COSH( (N - ppkth) / ppacr) ) & |
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| 66 | - LOG( COSH( ( 1 - ppkth) / ppacr) ) ) ) |
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| 67 | |
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| 68 | za0 = ppdzmin - za1 * TANH( (1-ppkth) / ppacr ) |
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| 69 | zsur = - za0 - za1 * ppacr * LOG( COSH( (1-ppkth) / ppacr ) ) |
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| 70 | ! |
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| 71 | ELSE IF ( (ppdzmin == 0 .OR. pphmax == 0) .AND. psur.NE.0 .AND. & |
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| 72 | pa0.NE.0 .AND. pa1.NE.0 ) THEN |
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| 73 | ! |
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| 74 | WRITE(*,*) 'psur,pa0,pa1 given by namelist' |
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| 75 | zsur = psur |
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| 76 | za0 = pa0 |
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| 77 | za1 = pa1 |
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[7731] | 78 | za2 = pa2 |
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[2136] | 79 | ! |
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| 80 | ELSE |
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| 81 | ! |
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| 82 | WRITE(*,*) 'ERROR ***** bad vertical grid parameters ...' |
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| 83 | WRITE(*,*) ' ' |
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| 84 | WRITE(*,*) 'please check values of variables' |
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| 85 | WRITE(*,*) 'in namelist vertical_grid section' |
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| 86 | WRITE(*,*) ' ' |
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| 87 | STOP |
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| 88 | ! |
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| 89 | ENDIF |
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| 90 | |
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[7731] | 91 | zacr = ppacr |
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| 92 | zkth = ppkth |
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| 93 | zacr2 = ppacr2 |
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| 94 | zkth2 = ppkth2 |
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[2136] | 95 | ! |
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[7731] | 96 | IF( ppkth == 0. ) THEN ! uniform vertical grid |
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| 97 | za1 = pphmax / FLOAT(N-1) |
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| 98 | DO i = 1, N |
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| 99 | gdepw(i) = ( i - 1 ) * za1 |
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| 100 | gdept(i) = ( i - 0.5 ) * za1 |
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| 101 | e3w (i) = za1 |
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| 102 | e3t (i) = za1 |
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| 103 | END DO |
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| 104 | ELSE ! Madec & Imbard 1996 function |
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| 105 | IF( .NOT. ldbletanh ) THEN |
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| 106 | DO i = 1,N |
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| 107 | ! |
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| 108 | gdepw(i) = (zsur+za0*i+za1*zacr*LOG(COSH((i-zkth)/zacr))) |
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| 109 | gdept(i) = (zsur+za0*(i+0.5)+za1*zacr*LOG(COSH(((i+0.5)-zkth)/zacr))) |
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| 110 | e3w(i) = (za0 + za1 * TANH((i-zkth)/zacr)) |
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| 111 | e3t(i) = (za0 + za1 * TANH(((i+0.5)-zkth)/zacr)) |
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| 112 | ! |
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| 113 | END DO |
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| 114 | ELSE |
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| 115 | DO i = 1,N |
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| 116 | ! Double tanh function |
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| 117 | gdepw(i) = ( zsur + za0*i + za1 * zacr * LOG ( COSH( (i-zkth ) / zacr ) ) & |
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| 118 | & + za2 * zacr2* LOG ( COSH( (i-zkth2) / zacr2 ) ) ) |
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| 119 | gdept(i) = ( zsur + za0*(i+0.5) + za1 * zacr * LOG ( COSH( ((i+0.5)-zkth ) / zacr ) ) & |
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| 120 | & + za2 * zacr2* LOG ( COSH( ((i+0.5)-zkth2) / zacr2 ) ) ) |
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| 121 | e3w (i) = za0 + za1 * TANH( (i-zkth ) / zacr ) & |
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| 122 | & + za2 * TANH( (i-zkth2) / zacr2 ) |
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| 123 | e3t (i) = za0 + za1 * TANH( ((i+0.5)-zkth ) / zacr ) & |
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| 124 | & + za2 * TANH( ((i+0.5)-zkth2) / zacr2 ) |
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| 125 | END DO |
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| 126 | ENDIF |
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| 127 | ENDIF |
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[2136] | 128 | gdepw(1) = 0.0 |
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| 129 | ! |
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| 130 | ! Initialization of constant |
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| 131 | ! |
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| 132 | zmax = gdepw(N) + e3t(N) |
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[7731] | 133 | IF( rn_hmin < 0. ) THEN ; i = - INT( rn_hmin ) ! from a nb of level |
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| 134 | ELSE ; i = MINLOC( gdepw, mask = gdepw > rn_hmin, dim = 1 ) ! from a depth |
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| 135 | ENDIF |
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| 136 | zmin = gdepw(i+1) |
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[2136] | 137 | ! |
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| 138 | ! Initialize bathy_level to the maximum ocean level available |
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| 139 | ! |
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| 140 | Grid%bathy_level = N-1 |
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| 141 | ! |
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| 142 | ! storage of land and island's number (zera and negative values) in mbathy |
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| 143 | ! |
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| 144 | DO jj = 1, jpj |
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| 145 | DO ji= 1, jpi |
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| 146 | IF( Grid%bathy_meter(ji,jj) <= 0. ) & |
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| 147 | Grid%bathy_level(ji,jj) = INT( Grid%bathy_meter(ji,jj) ) |
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| 148 | END DO |
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| 149 | END DO |
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| 150 | ! |
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| 151 | ! the last ocean level thickness cannot exceed e3t(jpkm1)+e3t(jpk) |
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| 152 | ! |
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| 153 | DO jj = 1, jpj |
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| 154 | DO ji= 1, jpi |
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| 155 | IF( Grid%bathy_meter(ji,jj) <= 0. ) THEN |
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| 156 | Grid%bathy_meter(ji,jj) = 0.e0 |
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| 157 | ELSE |
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| 158 | Grid%bathy_meter(ji,jj) = MAX( Grid%bathy_meter(ji,jj), zmin ) |
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| 159 | Grid%bathy_meter(ji,jj) = MIN( Grid%bathy_meter(ji,jj), zmax ) |
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| 160 | ENDIF |
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| 161 | END DO |
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| 162 | END DO |
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| 163 | ! |
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| 164 | ! Compute bathy_level for ocean points (i.e. the number of ocean levels) |
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| 165 | ! find the number of ocean levels such that the last level thickness |
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| 166 | ! is larger than the minimum of e3zps_min and e3zps_rat * e3t (where |
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| 167 | ! e3t is the reference level thickness |
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| 168 | ! |
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| 169 | DO jk = N-1, 1, -1 |
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| 170 | zdepth = gdepw(jk) + MIN( e3zps_min, e3t(jk)*e3zps_rat ) |
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| 171 | DO jj = 1, jpj |
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| 172 | DO ji = 1, jpi |
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| 173 | IF( 0. < Grid%bathy_meter(ji,jj) .AND. Grid%bathy_meter(ji,jj) <= zdepth ) & |
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| 174 | Grid%bathy_level(ji,jj) = jk-1 |
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| 175 | END DO |
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| 176 | END DO |
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| 177 | END DO |
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| 178 | |
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| 179 | |
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| 180 | CALL bathymetry_control(grid%bathy_level) |
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| 181 | ! |
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| 182 | ! initialization to the reference z-coordinate |
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| 183 | ! |
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| 184 | WRITE(*,*) ' initialization to the reference z-coordinate ' |
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| 185 | ! |
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| 186 | DO jk = 1, N |
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| 187 | ! Write(*,*) 'k = ',jk |
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| 188 | gdepw_ps(1:jpi,1:jpj,jk) = gdepw(jk) |
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| 189 | END DO |
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| 190 | ! |
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| 191 | Grid%gdepw_ps(:,:) = gdepw_ps(:,:,3) |
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| 192 | ! |
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| 193 | DO jj = 1, jpj |
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| 194 | DO ji = 1, jpi |
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| 195 | ik = Grid%bathy_level(ji,jj) |
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| 196 | ! ocean point only |
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| 197 | IF( ik > 0 ) THEN |
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| 198 | ! max ocean level case |
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| 199 | IF( ik == N-1 ) THEN |
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| 200 | zdepwp = Grid%bathy_meter(ji,jj) |
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| 201 | ze3tp = Grid%bathy_meter(ji,jj) - gdepw(ik) |
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| 202 | ze3wp = 0.5 * e3w(ik) * ( 1. + ( ze3tp/e3t(ik) ) ) |
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| 203 | gdepw_ps(ji,jj,ik+1) = zdepwp |
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| 204 | ! standard case |
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| 205 | ELSE |
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| 206 | ! |
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| 207 | IF( Grid%bathy_meter(ji,jj) <= gdepw(ik+1) ) THEN |
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| 208 | gdepw_ps(ji,jj,ik+1) = Grid%bathy_meter(ji,jj) |
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| 209 | ELSE |
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| 210 | ! |
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| 211 | gdepw_ps(ji,jj,ik+1) = gdepw(ik+1) |
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| 212 | ENDIF |
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| 213 | ! |
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| 214 | ENDIF |
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| 215 | ! |
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| 216 | ENDIF |
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| 217 | END DO |
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| 218 | END DO |
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| 219 | ! |
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| 220 | DO jj = 1, jpj |
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| 221 | DO ji = 1, jpi |
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| 222 | ik = Grid%bathy_level(ji,jj) |
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| 223 | ! ocean point only |
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| 224 | IF( ik > 0 ) THEN |
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| 225 | ! bathymetry output |
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| 226 | ! |
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| 227 | Grid%gdepw_ps(ji,jj) = gdepw_ps(ji,jj,ik+1) |
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| 228 | ! |
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| 229 | !AJOUT----------------------------------------------------------------------- |
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| 230 | ! |
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| 231 | ELSE |
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| 232 | ! |
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| 233 | Grid%gdepw_ps(ji,jj) = 0 |
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| 234 | ! |
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| 235 | !AJOUT------------------------------------------------------------------------ |
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| 236 | ! |
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| 237 | ENDIF |
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| 238 | ! |
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| 239 | END DO |
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| 240 | END DO |
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| 241 | ! |
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| 242 | ! |
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| 243 | DEALLOCATE(gdepw,gdept,e3w,e3t) |
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| 244 | DEALLOCATE(gdepw_ps) |
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| 245 | END SUBROUTINE get_partial_steps |
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| 246 | ! |
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| 247 | ! |
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| 248 | !************************************************************************* |
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| 249 | ! * |
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| 250 | ! Subroutine check interp * |
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| 251 | ! * |
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| 252 | ! subroutine to compute gdepw_ps on the input grid (based on NEMO code) * |
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| 253 | ! * |
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| 254 | !************************************************************************ |
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| 255 | ! |
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| 256 | ! |
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| 257 | SUBROUTINE check_interp( ParentGrid , gdepwChild ) |
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| 258 | ! |
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| 259 | IMPLICIT NONE |
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| 260 | ! |
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| 261 | TYPE(Coordinates) :: ParentGrid |
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| 262 | REAL*8,DIMENSION(:,:) :: gdepwChild |
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| 263 | INTEGER :: i,j,ji,ij,ii,jj,jpt,ipt |
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| 264 | REAL,DIMENSION(N) :: gdepw,e3t |
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[7731] | 265 | REAL :: za0,za1,za2,zsur,zacr,zacr2,zkth,zkth2,zmin,zmax,zdepth |
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[2136] | 266 | INTEGER :: kbathy,jk,diff |
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| 267 | INTEGER :: bornex,borney,bornex2,borney2 |
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[7731] | 268 | ! |
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[2136] | 269 | IF ( ( pa0 == 0 .OR. pa1 == 0 .OR. psur == 0 ) & |
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| 270 | .AND. ppdzmin.NE.0 .AND. pphmax.NE.0 ) THEN |
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| 271 | ! |
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[7731] | 272 | WRITE(*,*) 'psur,pa0,pa1 computed' |
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[2136] | 273 | za1=( ppdzmin - pphmax / (N-1) ) & |
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| 274 | / ( TANH((1-ppkth)/ppacr) - ppacr/(N-1) & |
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| 275 | * ( LOG( COSH( (N - ppkth) / ppacr) ) & |
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| 276 | - LOG( COSH( ( 1 - ppkth) / ppacr) ) ) ) |
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| 277 | |
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| 278 | za0 = ppdzmin - za1 * TANH( (1-ppkth) / ppacr ) |
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| 279 | zsur = - za0 - za1 * ppacr * LOG( COSH( (1-ppkth) / ppacr ) ) |
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| 280 | ! |
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| 281 | ELSE IF ( (ppdzmin == 0 .OR. pphmax == 0) .AND. psur.NE.0 .AND. & |
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| 282 | pa0.NE.0 .AND. pa1.NE.0 ) THEN |
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| 283 | ! |
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[7731] | 284 | WRITE(*,*) 'psur,pa0,pa1 given by namelist' |
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[2136] | 285 | zsur = psur |
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| 286 | za0 = pa0 |
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| 287 | za1 = pa1 |
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[7731] | 288 | za2 = pa2 |
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[2136] | 289 | ! |
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| 290 | ELSE |
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| 291 | ! |
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| 292 | WRITE(*,*) 'ERROR ***** bad vertical grid parameters ...' |
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| 293 | WRITE(*,*) ' ' |
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| 294 | WRITE(*,*) 'please check values of variables' |
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| 295 | WRITE(*,*) 'in namelist vertical_grid section' |
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[7731] | 296 | WRITE(*,*) ' ' |
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| 297 | STOP |
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[2136] | 298 | ! |
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| 299 | ENDIF |
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[7731] | 300 | |
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| 301 | zacr = ppacr |
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| 302 | zkth = ppkth |
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| 303 | zacr2 = ppacr2 |
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| 304 | zkth2 = ppkth2 |
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[2136] | 305 | ! |
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[7731] | 306 | IF( ppkth == 0. ) THEN ! uniform vertical grid |
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| 307 | za1 = pphmax / FLOAT(N-1) |
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| 308 | DO i = 1, N |
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| 309 | gdepw(i) = ( i - 1 ) * za1 |
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| 310 | e3t (i) = za1 |
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| 311 | END DO |
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| 312 | ELSE ! Madec & Imbard 1996 function |
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| 313 | IF( .NOT. ldbletanh ) THEN |
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| 314 | DO i = 1,N |
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| 315 | ! |
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| 316 | gdepw(i) = (zsur+za0*i+za1*zacr*LOG(COSH((i-zkth)/zacr))) |
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| 317 | e3t(i) = (za0 + za1 * TANH(((i+0.5)-zkth)/zacr)) |
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| 318 | ! |
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| 319 | END DO |
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| 320 | ELSE |
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| 321 | DO i = 1,N |
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| 322 | ! Double tanh function |
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| 323 | gdepw(i) = ( zsur + za0*i + za1 * zacr * LOG ( COSH( (i-zkth ) / zacr ) ) & |
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| 324 | & + za2 * zacr2* LOG ( COSH( (i-zkth2) / zacr2 ) ) ) |
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| 325 | e3t (i) = za0 + za1 * TANH( ((i+0.5)-zkth ) / zacr ) & |
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| 326 | & + za2 * TANH( ((i+0.5)-zkth2) / zacr2 ) |
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| 327 | END DO |
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| 328 | ENDIF |
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| 329 | ENDIF |
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[2136] | 330 | gdepw(1) = 0.0 |
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| 331 | ! |
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| 332 | diff = 0 |
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| 333 | IF ( MOD(irafx,2) .EQ. 0 ) diff = 1 |
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| 334 | ! |
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| 335 | bornex = nbghostcellsfine + CEILING(irafx/2.0) + diff - irafx |
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| 336 | borney = nbghostcellsfine + CEILING(irafy/2.0) + diff - irafy |
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| 337 | bornex2 = nxfin - (nbghostcellsfine-1) - irafx - CEILING(irafx/2.0) |
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| 338 | borney2 = nyfin - (nbghostcellsfine-1) - irafy - CEILING(irafy/2.0) |
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| 339 | ! |
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| 340 | ! |
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| 341 | ! west boundary |
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| 342 | ! |
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| 343 | |
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| 344 | CALL correct_level( gdepwchild,ParentGrid,gdepw,e3t,1,3+connectionsize*irafx-1, & |
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| 345 | 1,nyfin) |
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| 346 | |
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| 347 | ! |
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| 348 | ! east boundary |
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| 349 | ! |
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| 350 | |
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| 351 | CALL correct_level( gdepwchild,ParentGrid,gdepw,e3t,nxfin-2-(connectionsize*irafx-1),nxfin, & |
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| 352 | 1,nyfin) |
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| 353 | |
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| 354 | ! |
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| 355 | ! north boundary |
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| 356 | ! |
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| 357 | |
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| 358 | CALL correct_level( gdepwchild,ParentGrid,gdepw,e3t,1,nxfin, & |
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| 359 | nyfin-2-(connectionsize*irafy-1),nyfin ) |
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| 360 | |
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| 361 | ! |
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| 362 | ! south boundary |
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| 363 | ! |
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| 364 | CALL correct_level( gdepwchild,ParentGrid,gdepw,e3t,1,nxfin, & |
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| 365 | 1,3+connectionsize*irafy-1 ) |
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| 366 | |
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| 367 | ! |
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| 368 | ! |
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| 369 | ! |
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| 370 | END SUBROUTINE check_interp |
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| 371 | ! |
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| 372 | SUBROUTINE correct_level( gdepwchild,ParentGrid,gdepw,e3t,minboundx,maxboundx,minboundy,maxboundy ) |
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| 373 | ! |
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| 374 | IMPLICIT NONE |
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| 375 | TYPE(Coordinates) :: ParentGrid |
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| 376 | REAL*8,DIMENSION(:,:) :: gdepwChild |
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| 377 | REAL*8,DIMENSION(N) :: gdepw,e3t |
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| 378 | INTEGER :: minboundx,maxboundx,minboundy,maxboundy |
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| 379 | INTEGER :: kbathy,jk,indx,indy,diff |
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| 380 | REAL :: xdiff |
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| 381 | INTEGER :: i,j,ji,ij,ii,jj,jpt,ipt |
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| 382 | REAL*8 :: slopex, slopey,val,tmp1,tmp2,tmp3,tmp4 |
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| 383 | INTEGER :: parentbathy |
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| 384 | REAL :: mindepth, maxdepth |
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| 385 | REAL :: xmin,ymin,dxfin,dyfin,dsparent |
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| 386 | INTEGER ipbegin,ipend,jpbegin,jpend |
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| 387 | INTEGER ibegin,iend,jbegin,jend |
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| 388 | REAL x,y,zmin,zmax |
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| 389 | INTEGER ptx,pty |
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| 390 | REAL,DIMENSION(:,:),ALLOCATABLE :: gdepwtemp |
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| 391 | INTEGER,DIMENSION(:,:),ALLOCATABLE :: parentbathytab |
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| 392 | ! |
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| 393 | ! |
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| 394 | ! Initialization of constant |
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| 395 | ! |
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| 396 | zmax = gdepw(N) + e3t(N) |
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[7731] | 397 | IF( rn_hmin < 0. ) THEN ; i = - INT( rn_hmin ) ! from a nb of level |
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| 398 | ELSE ; i = MINLOC( gdepw, mask = gdepw > rn_hmin, dim = 1 ) ! from a depth |
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| 399 | ENDIF |
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| 400 | zmin = gdepw(i+1) |
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[2136] | 401 | ! |
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| 402 | ! check that interpolated value stays at the same level |
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| 403 | ! |
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| 404 | ! |
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| 405 | diff = 0 |
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| 406 | IF ( MOD(irafx,2) .EQ. 0 ) diff = 1 |
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| 407 | |
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| 408 | xdiff = REAL(diff)/2. |
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| 409 | |
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| 410 | dxfin = 1./irafx |
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| 411 | dyfin = 1./irafy |
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| 412 | |
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| 413 | ptx = 3 |
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| 414 | pty = 3 |
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| 415 | |
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| 416 | xmin = (imin-1) * 1 |
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| 417 | ymin = (jmin-1) * 1 |
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| 418 | |
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| 419 | |
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| 420 | ! compute x and y the locations of the indices minbounx and minboundy |
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| 421 | |
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| 422 | x = xmin + (minboundx-ptx)*dxfin + dxfin/2. |
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| 423 | y = ymin + (minboundy-pty)*dyfin + dyfin/2. |
---|
| 424 | |
---|
| 425 | ! compute the indices of the nearest coarse grid points |
---|
| 426 | ipbegin = ptx + agrif_int((x-0.-1./2.) / 1.) - 1 |
---|
| 427 | jpbegin = pty + agrif_int((y-0.-1./2.) / 1.) - 1 |
---|
| 428 | |
---|
| 429 | ! compute indices of the fine grid points nearest to the preceeding coarse grid points |
---|
| 430 | ! (inferior values) |
---|
| 431 | |
---|
| 432 | x = (ipbegin - ptx) + 1./2. |
---|
| 433 | y = (jpbegin - pty) + 1./2. |
---|
| 434 | |
---|
| 435 | ibegin = ptx + agrif_int((x-xmin-dxfin/2.)/dxfin) |
---|
| 436 | jbegin = pty + agrif_int((y-ymin-dyfin/2.)/dyfin) |
---|
| 437 | |
---|
| 438 | ! compute x and y the locations of the indices maxbounx and maxboundy |
---|
| 439 | x = xmin + (maxboundx-ptx)*dxfin + dxfin/2. |
---|
| 440 | y = ymin + (maxboundy-pty)*dyfin + dyfin/2. |
---|
| 441 | |
---|
| 442 | ! compute the indices of the nearest coarse grid points |
---|
| 443 | ipend = ptx + CEILING((x-0.-1./2) / 1.) + 1 |
---|
| 444 | jpend = pty + CEILING((y-0.-1./2) / 1.) + 1 |
---|
| 445 | |
---|
| 446 | ! compute indices of the fine grid points nearest to the preceeding coarse grid points |
---|
| 447 | ! (inferior values) |
---|
| 448 | |
---|
| 449 | x = (ipend - ptx) + 1./2. |
---|
| 450 | y = (jpend - pty) + 1./2. |
---|
| 451 | iend = ptx + agrif_int((x-xmin-dxfin/2.)/dxfin) |
---|
| 452 | jend = pty + agrif_int((y-ymin-dyfin/2.)/dyfin) |
---|
| 453 | |
---|
| 454 | |
---|
| 455 | ALLOCATE(gdepwtemp(ibegin-irafx:iend+irafx,jbegin-irafy:jend+irafy)) |
---|
| 456 | ALLOCATE(parentbathytab(ibegin-irafx:iend+irafx,jbegin-irafy:jend+irafy)) |
---|
| 457 | |
---|
| 458 | |
---|
| 459 | jpt=jpbegin |
---|
| 460 | DO j=jbegin,jend,irafy |
---|
| 461 | |
---|
| 462 | ipt=ipbegin |
---|
| 463 | |
---|
| 464 | |
---|
| 465 | DO i=ibegin,iend,irafx |
---|
| 466 | |
---|
| 467 | |
---|
| 468 | ! |
---|
| 469 | parentbathy = ParentGrid%bathy_level(ipt,jpt) |
---|
| 470 | IF (parentbathy == 0) THEN |
---|
| 471 | mindepth = 0. |
---|
| 472 | maxdepth = 0. |
---|
| 473 | ELSE |
---|
| 474 | mindepth = MAX(gdepw(parentbathy) + MIN( e3zps_min, e3t(parentbathy)*e3zps_rat ),zmin) |
---|
| 475 | ! maxdepth = min(gdepw(parentbathy + 1),zmax) |
---|
| 476 | IF (parentbathy < (N-1)) THEN |
---|
| 477 | maxdepth = gdepw(parentbathy + 1) |
---|
| 478 | ELSE |
---|
| 479 | maxdepth = HUGE(1.) |
---|
| 480 | ENDIF |
---|
| 481 | ENDIF |
---|
| 482 | |
---|
| 483 | slopex = vanleer(parentgrid%gdepw_ps(ipt-1:ipt+1,jpt))/REAL(irafx) |
---|
| 484 | |
---|
| 485 | |
---|
| 486 | tmp1 = (maxdepth - parentgrid%gdepw_ps(ipt,jpt)) / REAL(irafx) |
---|
| 487 | tmp2 = (parentgrid%gdepw_ps(ipt,jpt) - mindepth) / REAL(irafx) |
---|
| 488 | |
---|
| 489 | IF (ABS(slopex) > tmp1) THEN |
---|
| 490 | IF (slopex > 0) THEN |
---|
| 491 | slopex = tmp1 |
---|
| 492 | ELSE |
---|
| 493 | slopex = -tmp1 |
---|
| 494 | ENDIF |
---|
| 495 | ENDIF |
---|
| 496 | |
---|
| 497 | IF (ABS(slopex) > tmp2) THEN |
---|
| 498 | IF (slopex > 0) THEN |
---|
| 499 | slopex = tmp2 |
---|
| 500 | ELSE |
---|
| 501 | slopex = -tmp2 |
---|
| 502 | ENDIF |
---|
| 503 | ENDIF |
---|
| 504 | ! |
---|
| 505 | ! interpolation on fine grid points (connection zone) |
---|
| 506 | ! |
---|
| 507 | DO ii = i-FLOOR(irafx/2.0)+diff,i+FLOOR(irafx/2.0) |
---|
| 508 | x = ii-i - xdiff/2. |
---|
| 509 | val = parentgrid%gdepw_ps(ipt,jpt)+slopex * x |
---|
| 510 | gdepwtemp(ii,j) = val |
---|
| 511 | IF (gdepwtemp(ii,j) < mindepth) THEN |
---|
| 512 | gdepwtemp(ii,j) = mindepth |
---|
| 513 | ENDIF |
---|
| 514 | IF (gdepwtemp(ii,j) > maxdepth) THEN |
---|
| 515 | gdepwtemp(ii,j) = maxdepth |
---|
| 516 | ENDIF |
---|
| 517 | parentbathytab(ii,j) = parentbathy |
---|
| 518 | ENDDO |
---|
| 519 | ipt =ipt + 1 |
---|
| 520 | ENDDO |
---|
| 521 | |
---|
| 522 | jpt = jpt + 1 |
---|
| 523 | ENDDO |
---|
| 524 | |
---|
| 525 | DO j=jbegin+irafy,jend-irafy,irafy |
---|
| 526 | |
---|
| 527 | DO i=ibegin,iend |
---|
| 528 | |
---|
| 529 | parentbathy = parentbathytab(i,j) |
---|
| 530 | IF (parentbathy == 0) THEN |
---|
| 531 | mindepth = 0. |
---|
| 532 | maxdepth = 0. |
---|
| 533 | ELSE |
---|
| 534 | mindepth = MAX(gdepw(parentbathy) + MIN( e3zps_min, e3t(parentbathy)*e3zps_rat ),zmin) |
---|
| 535 | ! maxdepth = min(gdepw(parentbathy + 1),zmax) |
---|
| 536 | IF (parentbathy < (N-1)) THEN |
---|
| 537 | maxdepth = gdepw(parentbathy + 1) |
---|
| 538 | ELSE |
---|
| 539 | maxdepth = HUGE(1.) |
---|
| 540 | ENDIF |
---|
| 541 | ENDIF |
---|
| 542 | |
---|
| 543 | slopey = vanleer(gdepwtemp(i,j-irafy:j+irafy:irafy))/REAL(irafy) |
---|
| 544 | |
---|
| 545 | tmp1 = (maxdepth - gdepwtemp(i,j)) / REAL(irafy) |
---|
| 546 | tmp2 = (gdepwtemp(i,j) - mindepth) / REAL(irafy) |
---|
| 547 | |
---|
| 548 | IF (ABS(slopey) > tmp1) THEN |
---|
| 549 | IF (slopey > 0) THEN |
---|
| 550 | slopey = tmp1 |
---|
| 551 | ELSE |
---|
| 552 | slopey = -tmp1 |
---|
| 553 | ENDIF |
---|
| 554 | ENDIF |
---|
| 555 | IF (ABS(slopey) > tmp2) THEN |
---|
| 556 | IF (slopey > 0) THEN |
---|
| 557 | slopey = tmp2 |
---|
| 558 | ELSE |
---|
| 559 | slopey = -tmp2 |
---|
| 560 | ENDIF |
---|
| 561 | ENDIF |
---|
| 562 | |
---|
| 563 | |
---|
| 564 | DO jj = j-FLOOR(irafy/2.0)+diff,j+FLOOR(irafy/2.0) |
---|
| 565 | y = jj-j - xdiff/2. |
---|
| 566 | val = gdepwtemp(i,j) + slopey*y |
---|
| 567 | gdepwtemp(i,jj) = val |
---|
| 568 | ENDDO |
---|
| 569 | ENDDO |
---|
| 570 | ENDDO |
---|
| 571 | |
---|
| 572 | |
---|
| 573 | gdepwchild(minboundx:maxboundx,minboundy:maxboundy) = gdepwtemp(minboundx:maxboundx,minboundy:maxboundy) |
---|
| 574 | DEALLOCATE(gdepwtemp,parentbathytab) |
---|
| 575 | |
---|
| 576 | END SUBROUTINE correct_level |
---|
| 577 | ! |
---|
| 578 | ! |
---|
| 579 | !*************************************************** |
---|
| 580 | ! function van leer to compute the corresponding |
---|
| 581 | ! Van Leer slopes |
---|
| 582 | !*************************************************** |
---|
| 583 | ! |
---|
| 584 | REAL FUNCTION vanleer(tab) |
---|
| 585 | REAL, DIMENSION(3) :: tab |
---|
| 586 | REAL res,res1 |
---|
| 587 | REAL p1,p2,p3 |
---|
| 588 | |
---|
| 589 | p1=(tab(3)-tab(1))/2. |
---|
| 590 | p2=(tab(2)-tab(1)) |
---|
| 591 | p3=(tab(3)-tab(2)) |
---|
| 592 | |
---|
| 593 | IF ((p1>0.).AND.(p2>0.).AND.(p3>0)) THEN |
---|
| 594 | res1=MINVAL((/p1,p2,p3/)) |
---|
| 595 | ELSEIF ((p1<0.).AND.(p2<0.).AND.(p3<0)) THEN |
---|
| 596 | res1=MAXVAL((/p1,p2,p3/)) |
---|
| 597 | ELSE |
---|
| 598 | res1=0. |
---|
| 599 | ENDIF |
---|
| 600 | |
---|
| 601 | vanleer = res1 |
---|
| 602 | |
---|
| 603 | |
---|
| 604 | END FUNCTION vanleer |
---|
| 605 | ! |
---|
| 606 | ! |
---|
| 607 | !******************************************************************************** |
---|
| 608 | ! subroutine bathymetry_control * |
---|
| 609 | ! * |
---|
| 610 | ! - Purpose : check the bathymetry in levels * |
---|
| 611 | ! * |
---|
| 612 | ! - Method : The array mbathy is checked to verified its consistency * |
---|
| 613 | ! with the model options. in particular: * |
---|
| 614 | ! mbathy must have at least 1 land grid-points (mbathy<=0) * |
---|
| 615 | ! along closed boundary. * |
---|
| 616 | ! mbathy must be cyclic IF jperio=1. * |
---|
| 617 | ! mbathy must be lower or equal to jpk-1. * |
---|
| 618 | ! isolated ocean grid points are suppressed from mbathy * |
---|
| 619 | ! since they are only connected to remaining * |
---|
| 620 | ! ocean through vertical diffusion. * |
---|
| 621 | ! * |
---|
| 622 | ! * |
---|
| 623 | !******************************************************************************** |
---|
| 624 | |
---|
| 625 | SUBROUTINE bathymetry_control(mbathy) |
---|
| 626 | |
---|
| 627 | INTEGER :: i, j, jl |
---|
| 628 | INTEGER :: icompt, ibtest, ikmax |
---|
| 629 | REAL*8, DIMENSION(:,:) :: mbathy |
---|
| 630 | |
---|
| 631 | ! ================ |
---|
| 632 | ! Bathymetry check |
---|
| 633 | ! ================ |
---|
| 634 | |
---|
| 635 | ! Suppress isolated ocean grid points |
---|
| 636 | |
---|
| 637 | WRITE(*,*)' suppress isolated ocean grid points' |
---|
| 638 | WRITE(*,*)' -----------------------------------' |
---|
| 639 | |
---|
| 640 | icompt = 0 |
---|
| 641 | |
---|
| 642 | DO jl = 1, 2 |
---|
| 643 | ! |
---|
| 644 | DO j = 2, SIZE(mbathy,2)-1 |
---|
| 645 | DO i = 2, SIZE(mbathy,1)-1 |
---|
| 646 | |
---|
| 647 | ibtest = MAX( mbathy(i-1,j), mbathy(i+1,j),mbathy(i,j-1),mbathy(i,j+1) ) |
---|
| 648 | ! |
---|
| 649 | IF( ibtest < mbathy(i,j) ) THEN |
---|
| 650 | ! |
---|
| 651 | WRITE(*,*) 'grid-point(i,j)= ',i,j,'is changed from',mbathy(i,j),' to ', ibtest |
---|
| 652 | mbathy(i,j) = ibtest |
---|
| 653 | icompt = icompt + 1 |
---|
| 654 | ! |
---|
| 655 | ENDIF |
---|
| 656 | ! |
---|
| 657 | END DO |
---|
| 658 | END DO |
---|
| 659 | ! |
---|
| 660 | END DO |
---|
| 661 | ! |
---|
| 662 | IF( icompt == 0 ) THEN |
---|
| 663 | WRITE(*,*)' no isolated ocean grid points' |
---|
| 664 | ELSE |
---|
| 665 | WRITE(*,*)' ',icompt,' ocean grid points suppressed' |
---|
| 666 | ENDIF |
---|
| 667 | ! |
---|
| 668 | |
---|
| 669 | ! Number of ocean level inferior or equal to jpkm1 |
---|
| 670 | |
---|
| 671 | ikmax = 0 |
---|
| 672 | DO j = 1, SIZE(mbathy,2) |
---|
| 673 | DO ji = 1, SIZE(mbathy,1) |
---|
| 674 | ikmax = MAX( ikmax, NINT(mbathy(i,j)) ) |
---|
| 675 | END DO |
---|
| 676 | END DO |
---|
| 677 | ! |
---|
| 678 | IF( ikmax > N-1 ) THEN |
---|
| 679 | WRITE(*,*) ' maximum number of ocean level = ', ikmax,' > jpk-1' |
---|
| 680 | WRITE(*,*) ' change jpk to ',ikmax+1,' to use the exact ead bathymetry' |
---|
| 681 | ELSE IF( ikmax < N-1 ) THEN |
---|
| 682 | WRITE(*,*) ' maximum number of ocean level = ', ikmax,' < jpk-1' |
---|
| 683 | WRITE(*,*) ' you can decrease jpk to ', ikmax+1 |
---|
| 684 | ENDIF |
---|
| 685 | |
---|
| 686 | END SUBROUTINE bathymetry_control |
---|
| 687 | ! |
---|
| 688 | ! |
---|
| 689 | !********************************************************************************** |
---|
| 690 | ! |
---|
| 691 | !subroutine get_scale_factors |
---|
| 692 | ! |
---|
| 693 | !********************************************************************************** |
---|
| 694 | ! |
---|
| 695 | SUBROUTINE get_scale_factors(Grid,fse3t,fse3u,fse3v) |
---|
| 696 | ! |
---|
| 697 | IMPLICIT NONE |
---|
| 698 | ! |
---|
| 699 | TYPE(Coordinates) :: Grid |
---|
| 700 | REAL*8, DIMENSION(:,:,:) :: fse3u,fse3t,fse3v |
---|
| 701 | ! |
---|
[7731] | 702 | REAL*8 :: za2,za1,za0,zsur,zacr,zkth,zacr2,zkth2,zdepth,zdepwp,zmin,zmax,zdiff,ze3tp,ze3wp |
---|
[2136] | 703 | INTEGER :: i,j,jk,jj,ji,jpj,jpi,ik,ii,ipt,jpt,jpk |
---|
| 704 | INTEGER, DIMENSION(1) :: k |
---|
| 705 | INTEGER :: k1 |
---|
| 706 | REAL*8, POINTER, DIMENSION(:) :: gdepw,gdept,e3w,e3t |
---|
| 707 | REAL*8, POINTER, DIMENSION(:,:) :: hdepw,e3tp,e3wp |
---|
| 708 | REAL*8, POINTER, DIMENSION(:,:,:) :: gdept_ps,gdepw_ps |
---|
| 709 | ! |
---|
| 710 | jpi = SIZE(fse3t,1) |
---|
| 711 | jpj = SIZE(fse3t,2) |
---|
| 712 | jpk = SIZE(fse3t,3) |
---|
| 713 | ! |
---|
| 714 | ALLOCATE(gdepw(jpk),e3t(jpk)) |
---|
| 715 | ALLOCATE(gdepw_ps(jpi,jpj,jpk)) |
---|
[7731] | 716 | ! |
---|
[2136] | 717 | IF ( ( pa0 == 0 .OR. pa1 == 0 .OR. psur == 0 ) & |
---|
| 718 | .AND. ppdzmin.NE.0 .AND. pphmax.NE.0 ) THEN |
---|
| 719 | ! |
---|
| 720 | WRITE(*,*) 'psur,pa0,pa1 computed' |
---|
| 721 | za1=( ppdzmin - pphmax / (jpk-1) ) & |
---|
| 722 | / ( TANH((1-ppkth)/ppacr) - ppacr/(jpk-1) & |
---|
| 723 | * ( LOG( COSH( (jpk - ppkth) / ppacr) ) & |
---|
[7731] | 724 | - LOG( COSH( ( 1 - ppkth) / ppacr) ) ) ) |
---|
| 725 | |
---|
[2136] | 726 | za0 = ppdzmin - za1 * TANH( (1-ppkth) / ppacr ) |
---|
| 727 | zsur = - za0 - za1 * ppacr * LOG( COSH( (1-ppkth) / ppacr ) ) |
---|
| 728 | ! |
---|
| 729 | ELSE IF ( (ppdzmin == 0 .OR. pphmax == 0) .AND. psur.NE.0 .AND. & |
---|
| 730 | pa0.NE.0 .AND. pa1.NE.0 ) THEN |
---|
| 731 | ! |
---|
[7731] | 732 | WRITE(*,*) 'psur,pa0,pa1 given by namelist' |
---|
[2136] | 733 | zsur = psur |
---|
| 734 | za0 = pa0 |
---|
[7731] | 735 | za1 = pa1 |
---|
| 736 | za2 = pa2 |
---|
| 737 | ! |
---|
| 738 | ELSE |
---|
[2136] | 739 | ! |
---|
[7731] | 740 | WRITE(*,*) 'ERROR ***** bad vertical grid parameters ...' |
---|
| 741 | WRITE(*,*) ' ' |
---|
| 742 | WRITE(*,*) 'please check values of variables' |
---|
| 743 | WRITE(*,*) 'in namelist vertical_grid section' |
---|
| 744 | WRITE(*,*) ' ' |
---|
| 745 | STOP |
---|
| 746 | ! |
---|
[2136] | 747 | ENDIF |
---|
| 748 | |
---|
[7731] | 749 | zacr = ppacr |
---|
| 750 | zkth = ppkth |
---|
| 751 | zacr2 = ppacr2 |
---|
| 752 | zkth2 = ppkth2 |
---|
| 753 | ! |
---|
| 754 | IF( ppkth == 0. ) THEN ! uniform vertical grid |
---|
| 755 | za1 = pphmax / FLOAT(jpk-1) |
---|
| 756 | DO i = 1, jpk |
---|
| 757 | gdepw(i) = ( i - 1 ) * za1 |
---|
| 758 | e3t (i) = za1 |
---|
| 759 | END DO |
---|
| 760 | ELSE ! Madec & Imbard 1996 function |
---|
| 761 | IF( .NOT. ldbletanh ) THEN |
---|
| 762 | DO i = 1,jpk |
---|
| 763 | ! |
---|
| 764 | gdepw(i) = (zsur+za0*i+za1*zacr*LOG(COSH((i-zkth)/zacr))) |
---|
| 765 | e3t(i) = (za0 + za1 * TANH(((i+0.5)-zkth)/zacr)) |
---|
| 766 | ! |
---|
| 767 | END DO |
---|
| 768 | ELSE |
---|
| 769 | DO i = 1,jpk |
---|
| 770 | ! Double tanh function |
---|
| 771 | gdepw(i) = ( zsur + za0*i + za1 * zacr * LOG ( COSH( (i-zkth ) / zacr ) ) & |
---|
| 772 | & + za2 * zacr2* LOG ( COSH( (i-zkth2) / zacr2 ) ) ) |
---|
| 773 | e3t (i) = za0 + za1 * TANH( ((i+0.5)-zkth ) / zacr ) & |
---|
| 774 | & + za2 * TANH( ((i+0.5)-zkth2) / zacr2 ) |
---|
| 775 | END DO |
---|
| 776 | ENDIF |
---|
| 777 | ENDIF |
---|
[2136] | 778 | ! |
---|
| 779 | ! |
---|
| 780 | DO i = 1,jpk |
---|
| 781 | ! |
---|
| 782 | fse3t(:,:,i) = e3t(i) |
---|
| 783 | gdepw_ps(:,:,i) = gdepw(i) |
---|
| 784 | ! |
---|
| 785 | END DO |
---|
| 786 | ! |
---|
| 787 | gdepw(1) = 0.0 |
---|
| 788 | gdepw_ps(:,:,1) = 0.0 |
---|
| 789 | ! |
---|
| 790 | zmax = gdepw(jpk) + e3t(jpk) |
---|
[7731] | 791 | IF( rn_hmin < 0. ) THEN ; i = - INT( rn_hmin ) ! from a nb of level |
---|
| 792 | ELSE ; i = MINLOC( gdepw, mask = gdepw > rn_hmin, dim = 1 ) ! from a depth |
---|
| 793 | ENDIF |
---|
| 794 | zmin = gdepw(i+1) |
---|
[2136] | 795 | ! |
---|
| 796 | DO jj = 1, jpj |
---|
| 797 | DO ji= 1, jpi |
---|
| 798 | IF( Grid%bathy_meter(ji,jj) <= 0. ) THEN |
---|
| 799 | Grid%bathy_meter(ji,jj) = 0.e0 |
---|
| 800 | ELSE |
---|
| 801 | Grid%bathy_meter(ji,jj) = MAX( Grid%bathy_meter(ji,jj), zmin ) |
---|
| 802 | Grid%bathy_meter(ji,jj) = MIN( Grid%bathy_meter(ji,jj), zmax ) |
---|
| 803 | ENDIF |
---|
| 804 | END DO |
---|
| 805 | END DO |
---|
| 806 | ! |
---|
| 807 | DO jj = 1, jpj |
---|
| 808 | DO ji = 1, jpi |
---|
| 809 | ik = Grid%bathy_level(ji,jj) |
---|
| 810 | IF( ik > 0 ) THEN |
---|
| 811 | ! max ocean level case |
---|
| 812 | IF( ik == jpk-1 ) THEN |
---|
| 813 | zdepwp = Grid%bathy_meter(ji,jj) |
---|
| 814 | ze3tp = Grid%bathy_meter(ji,jj) - gdepw(ik) |
---|
| 815 | fse3t(ji,jj,ik ) = ze3tp |
---|
| 816 | fse3t(ji,jj,ik+1) = ze3tp |
---|
| 817 | gdepw_ps(ji,jj,ik+1) = zdepwp |
---|
| 818 | ELSE |
---|
| 819 | IF( Grid%bathy_meter(ji,jj) <= gdepw(ik+1) ) THEN |
---|
| 820 | gdepw_ps(ji,jj,ik+1) = Grid%bathy_meter(ji,jj) |
---|
| 821 | ELSE |
---|
| 822 | gdepw_ps(ji,jj,ik+1) = gdepw(ik+1) |
---|
| 823 | ENDIF |
---|
| 824 | fse3t(ji,jj,ik) = e3t(ik) * ( gdepw_ps(ji,jj,ik+1) - gdepw(ik)) & |
---|
| 825 | /( gdepw(ik+1) - gdepw(ik)) |
---|
| 826 | fse3t(ji,jj,ik+1) = fse3t(ji,jj,ik) |
---|
| 827 | |
---|
| 828 | ENDIF |
---|
| 829 | ENDIF |
---|
| 830 | END DO |
---|
| 831 | END DO |
---|
| 832 | ! |
---|
| 833 | DO i = 1, jpk |
---|
| 834 | fse3u (:,:,i) = e3t(i) |
---|
| 835 | fse3v (:,:,i) = e3t(i) |
---|
| 836 | END DO |
---|
| 837 | ! |
---|
| 838 | DO jk = 1,jpk |
---|
| 839 | DO jj = 1, jpj-1 |
---|
| 840 | DO ji = 1, jpi-1 |
---|
| 841 | fse3u (ji,jj,jk) = MIN( fse3t(ji,jj,jk), fse3t(ji+1,jj,jk)) |
---|
| 842 | fse3v (ji,jj,jk) = MIN( fse3t(ji,jj,jk), fse3t(ji,jj+1,jk)) |
---|
| 843 | ENDDO |
---|
| 844 | ENDDO |
---|
| 845 | ENDDO |
---|
| 846 | ! |
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| 847 | DEALLOCATE(gdepw,e3t) |
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| 848 | DEALLOCATE(gdepw_ps) |
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| 849 | DEALLOCATE(Grid%bathy_meter,Grid%bathy_level) |
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| 850 | ! |
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| 851 | END SUBROUTINE get_scale_factors |
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| 852 | ! |
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| 853 | END MODULE agrif_partial_steps |
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| 854 | |
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| 855 | |
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