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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38 | REAL*8 :: za2,za1,za0,zsur,zacr,zkth,zacr2,zkth2,zdepth,zdepwp,zmin,zmax,zdiff,ze3tp,ze3wp |
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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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78 | za2 = pa2 |
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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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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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95 | ! |
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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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128 | gdepw(1) = 0.0 |
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129 | IF ( ln_e3_dep ) THEN ! e3. = dk[gdep] |
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130 | ! |
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131 | DO i = 1, N-1 |
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132 | e3t(i) = gdepw(i+1)-gdepw(i) |
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133 | END DO |
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134 | e3t(N) = e3t(N-1) |
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135 | |
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136 | DO i = 2, N |
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137 | e3w(i) = gdept(i) - gdept(i-1) |
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138 | END DO |
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139 | e3w(1 ) = 2. * (gdept(1) - gdepw(1)) |
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140 | END IF |
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141 | ! |
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142 | ! Initialization of constant |
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143 | ! |
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144 | zmax = gdepw(N) + e3t(N) |
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145 | IF( rn_hmin < 0. ) THEN ; i = - INT( rn_hmin ) ! from a nb of level |
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146 | ELSE ; i = MINLOC( gdepw, mask = gdepw > rn_hmin, dim = 1 ) ! from a depth |
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147 | ENDIF |
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148 | zmin = gdepw(i+1) |
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149 | ! |
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150 | ! Initialize bathy_level to the maximum ocean level available |
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151 | ! |
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152 | Grid%bathy_level = N-1 |
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153 | ! |
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154 | ! storage of land and island's number (zera and negative values) in mbathy |
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155 | ! |
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156 | DO jj = 1, jpj |
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157 | DO ji= 1, jpi |
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158 | IF( Grid%bathy_meter(ji,jj) <= 0. ) & |
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159 | Grid%bathy_level(ji,jj) = INT( Grid%bathy_meter(ji,jj) ) |
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160 | END DO |
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161 | END DO |
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162 | ! |
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163 | ! the last ocean level thickness cannot exceed e3t(jpkm1)+e3t(jpk) |
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164 | ! |
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165 | DO jj = 1, jpj |
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166 | DO ji= 1, jpi |
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167 | IF( Grid%bathy_meter(ji,jj) <= 0. ) THEN |
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168 | Grid%bathy_meter(ji,jj) = 0.e0 |
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169 | ELSE |
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170 | Grid%bathy_meter(ji,jj) = MAX( Grid%bathy_meter(ji,jj), zmin ) |
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171 | Grid%bathy_meter(ji,jj) = MIN( Grid%bathy_meter(ji,jj), zmax ) |
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172 | ENDIF |
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173 | END DO |
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174 | END DO |
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175 | ! |
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176 | ! Compute bathy_level for ocean points (i.e. the number of ocean levels) |
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177 | ! find the number of ocean levels such that the last level thickness |
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178 | ! is larger than the minimum of e3zps_min and e3zps_rat * e3t (where |
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179 | ! e3t is the reference level thickness |
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180 | ! |
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181 | DO jk = N-1, 1, -1 |
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182 | zdepth = gdepw(jk) + MIN( e3zps_min, e3t(jk)*e3zps_rat ) |
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183 | DO jj = 1, jpj |
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184 | DO ji = 1, jpi |
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185 | IF( 0. < Grid%bathy_meter(ji,jj) .AND. Grid%bathy_meter(ji,jj) <= zdepth ) & |
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186 | Grid%bathy_level(ji,jj) = jk-1 |
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187 | END DO |
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188 | END DO |
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189 | END DO |
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190 | |
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191 | |
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192 | CALL bathymetry_control(grid%bathy_level) |
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193 | ! |
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194 | ! initialization to the reference z-coordinate |
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195 | ! |
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196 | WRITE(*,*) ' initialization to the reference z-coordinate ' |
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197 | ! |
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198 | DO jk = 1, N |
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199 | ! Write(*,*) 'k = ',jk |
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200 | gdepw_ps(1:jpi,1:jpj,jk) = gdepw(jk) |
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201 | END DO |
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202 | ! |
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203 | Grid%gdepw_ps(:,:) = gdepw_ps(:,:,3) |
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204 | ! |
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205 | DO jj = 1, jpj |
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206 | DO ji = 1, jpi |
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207 | ik = Grid%bathy_level(ji,jj) |
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208 | ! ocean point only |
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209 | IF( ik > 0 ) THEN |
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210 | ! max ocean level case |
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211 | IF( ik == N-1 ) THEN |
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212 | zdepwp = Grid%bathy_meter(ji,jj) |
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213 | ze3tp = Grid%bathy_meter(ji,jj) - gdepw(ik) |
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214 | ze3wp = 0.5 * e3w(ik) * ( 1. + ( ze3tp/e3t(ik) ) ) |
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215 | gdepw_ps(ji,jj,ik+1) = zdepwp |
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216 | ! standard case |
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217 | ELSE |
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218 | ! |
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219 | IF( Grid%bathy_meter(ji,jj) <= gdepw(ik+1) ) THEN |
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220 | gdepw_ps(ji,jj,ik+1) = Grid%bathy_meter(ji,jj) |
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221 | ELSE |
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222 | ! |
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223 | gdepw_ps(ji,jj,ik+1) = gdepw(ik+1) |
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224 | ENDIF |
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225 | ! |
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226 | ENDIF |
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227 | ! |
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228 | ENDIF |
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229 | END DO |
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230 | END DO |
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231 | ! |
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232 | DO jj = 1, jpj |
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233 | DO ji = 1, jpi |
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234 | ik = Grid%bathy_level(ji,jj) |
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235 | ! ocean point only |
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236 | IF( ik > 0 ) THEN |
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237 | ! bathymetry output |
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238 | ! |
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239 | Grid%gdepw_ps(ji,jj) = gdepw_ps(ji,jj,ik+1) |
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240 | ! |
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241 | !AJOUT----------------------------------------------------------------------- |
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242 | ! |
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243 | ELSE |
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244 | ! |
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245 | Grid%gdepw_ps(ji,jj) = 0 |
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246 | ! |
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247 | !AJOUT------------------------------------------------------------------------ |
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248 | ! |
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249 | ENDIF |
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250 | ! |
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251 | END DO |
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252 | END DO |
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253 | ! |
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254 | ! |
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255 | DEALLOCATE(gdepw,gdept,e3w,e3t) |
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256 | DEALLOCATE(gdepw_ps) |
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257 | END SUBROUTINE get_partial_steps |
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258 | ! |
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259 | ! |
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260 | !************************************************************************* |
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261 | ! * |
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262 | ! Subroutine check interp * |
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263 | ! * |
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264 | ! subroutine to compute gdepw_ps on the input grid (based on NEMO code) * |
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265 | ! * |
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266 | !************************************************************************ |
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267 | ! |
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268 | ! |
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269 | SUBROUTINE check_interp( ParentGrid , gdepwChild ) |
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270 | ! |
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271 | IMPLICIT NONE |
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272 | ! |
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273 | TYPE(Coordinates) :: ParentGrid |
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274 | REAL*8,DIMENSION(:,:) :: gdepwChild |
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275 | INTEGER :: i,j,ji,ij,ii,jj,jpt,ipt |
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276 | REAL,DIMENSION(N) :: gdepw,e3t |
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277 | REAL :: za0,za1,za2,zsur,zacr,zacr2,zkth,zkth2,zmin,zmax,zdepth |
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278 | INTEGER :: kbathy,jk,diff |
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279 | INTEGER :: bornex,borney,bornex2,borney2 |
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280 | ! |
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281 | IF ( ( pa0 == 0 .OR. pa1 == 0 .OR. psur == 0 ) & |
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282 | .AND. ppdzmin.NE.0 .AND. pphmax.NE.0 ) THEN |
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283 | ! |
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284 | WRITE(*,*) 'psur,pa0,pa1 computed' |
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285 | za1=( ppdzmin - pphmax / (N-1) ) & |
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286 | / ( TANH((1-ppkth)/ppacr) - ppacr/(N-1) & |
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287 | * ( LOG( COSH( (N - ppkth) / ppacr) ) & |
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288 | - LOG( COSH( ( 1 - ppkth) / ppacr) ) ) ) |
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289 | |
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290 | za0 = ppdzmin - za1 * TANH( (1-ppkth) / ppacr ) |
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291 | zsur = - za0 - za1 * ppacr * LOG( COSH( (1-ppkth) / ppacr ) ) |
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292 | ! |
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293 | ELSE IF ( (ppdzmin == 0 .OR. pphmax == 0) .AND. psur.NE.0 .AND. & |
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294 | pa0.NE.0 .AND. pa1.NE.0 ) THEN |
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295 | ! |
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296 | WRITE(*,*) 'psur,pa0,pa1 given by namelist' |
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297 | zsur = psur |
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298 | za0 = pa0 |
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299 | za1 = pa1 |
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300 | za2 = pa2 |
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301 | ! |
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302 | ELSE |
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303 | ! |
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304 | WRITE(*,*) 'ERROR ***** bad vertical grid parameters ...' |
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305 | WRITE(*,*) ' ' |
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306 | WRITE(*,*) 'please check values of variables' |
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307 | WRITE(*,*) 'in namelist vertical_grid section' |
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308 | WRITE(*,*) ' ' |
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309 | STOP |
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310 | ! |
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311 | ENDIF |
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312 | |
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313 | zacr = ppacr |
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314 | zkth = ppkth |
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315 | zacr2 = ppacr2 |
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316 | zkth2 = ppkth2 |
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317 | ! |
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318 | IF( ppkth == 0. ) THEN ! uniform vertical grid |
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319 | za1 = pphmax / FLOAT(N-1) |
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320 | DO i = 1, N |
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321 | gdepw(i) = ( i - 1 ) * za1 |
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322 | e3t (i) = za1 |
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323 | END DO |
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324 | ELSE ! Madec & Imbard 1996 function |
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325 | IF( .NOT. ldbletanh ) THEN |
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326 | DO i = 1,N |
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327 | ! |
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328 | gdepw(i) = (zsur+za0*i+za1*zacr*LOG(COSH((i-zkth)/zacr))) |
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329 | e3t(i) = (za0 + za1 * TANH(((i+0.5)-zkth)/zacr)) |
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330 | ! |
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331 | END DO |
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332 | ELSE |
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333 | DO i = 1,N |
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334 | ! Double tanh function |
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335 | gdepw(i) = ( zsur + za0*i + za1 * zacr * LOG ( COSH( (i-zkth ) / zacr ) ) & |
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336 | & + za2 * zacr2* LOG ( COSH( (i-zkth2) / zacr2 ) ) ) |
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337 | e3t (i) = za0 + za1 * TANH( ((i+0.5)-zkth ) / zacr ) & |
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338 | & + za2 * TANH( ((i+0.5)-zkth2) / zacr2 ) |
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339 | END DO |
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340 | ENDIF |
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341 | ENDIF |
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342 | gdepw(1) = 0.0 |
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343 | IF ( ln_e3_dep ) THEN ! e3. = dk[gdep] |
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344 | ! |
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345 | DO i = 1, N-1 |
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346 | e3t(i) = gdepw(i+1)-gdepw(i) |
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347 | END DO |
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348 | e3t(N) = e3t(N-1) |
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349 | END IF |
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350 | ! |
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351 | diff = 0 |
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352 | IF ( MOD(irafx,2) .EQ. 0 ) diff = 1 |
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353 | ! |
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354 | bornex = nbghostcellsfine + 1 + CEILING(irafx/2.0) + diff - irafx |
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355 | borney = nbghostcellsfine + 1 + CEILING(irafy/2.0) + diff - irafy |
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356 | bornex2 = nxfin - nbghostcellsfine - irafx - CEILING(irafx/2.0) |
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357 | borney2 = nyfin - nbghostcellsfine - irafy - CEILING(irafy/2.0) |
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358 | ! |
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359 | ! |
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360 | ! west boundary |
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361 | ! |
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362 | |
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363 | CALL correct_level( gdepwchild,ParentGrid,gdepw,e3t,1,2+nbghostcellsfine+connectionsize*irafx-1, & |
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364 | 1,nyfin) |
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365 | |
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366 | ! |
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367 | ! east boundary |
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368 | ! |
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369 | |
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370 | CALL correct_level( gdepwchild,ParentGrid,gdepw,e3t,nxfin-1-nbghostcellsfine-(connectionsize*irafx-1),nxfin, & |
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371 | 1,nyfin) |
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372 | |
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373 | ! |
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374 | ! north boundary |
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375 | ! |
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376 | |
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377 | CALL correct_level( gdepwchild,ParentGrid,gdepw,e3t,1,nxfin, & |
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378 | nyfin-1 - nbghostcellsfine -(connectionsize*irafy-1),nyfin ) |
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379 | |
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380 | ! |
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381 | ! south boundary |
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382 | ! |
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383 | CALL correct_level( gdepwchild,ParentGrid,gdepw,e3t,1,nxfin, & |
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384 | 1,2+nbghostcellsfine+connectionsize*irafy-1 ) |
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385 | |
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386 | ! |
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387 | ! |
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388 | ! |
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389 | END SUBROUTINE check_interp |
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390 | ! |
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391 | SUBROUTINE correct_level( gdepwchild,ParentGrid,gdepw,e3t,minboundx,maxboundx,minboundy,maxboundy ) |
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392 | ! |
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393 | IMPLICIT NONE |
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394 | TYPE(Coordinates) :: ParentGrid |
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395 | REAL*8,DIMENSION(:,:) :: gdepwChild |
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396 | REAL*8,DIMENSION(N) :: gdepw,e3t |
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397 | INTEGER :: minboundx,maxboundx,minboundy,maxboundy |
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398 | INTEGER :: kbathy,jk,indx,indy,diff |
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399 | REAL :: xdiff |
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400 | INTEGER :: i,j,ji,ij,ii,jj,jpt,ipt |
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401 | REAL*8 :: slopex, slopey,val,tmp1,tmp2,tmp3,tmp4 |
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402 | INTEGER :: parentbathy |
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403 | REAL :: mindepth, maxdepth |
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404 | REAL :: xmin,ymin,dxfin,dyfin,dsparent |
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405 | INTEGER ipbegin,ipend,jpbegin,jpend |
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406 | INTEGER ibegin,iend,jbegin,jend |
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407 | REAL x,y,zmin,zmax |
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408 | INTEGER ptx,pty |
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409 | REAL,DIMENSION(:,:),ALLOCATABLE :: gdepwtemp |
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410 | INTEGER,DIMENSION(:,:),ALLOCATABLE :: parentbathytab |
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411 | ! |
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412 | ! |
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413 | ! Initialization of constant |
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414 | ! |
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415 | zmax = gdepw(N) + e3t(N) |
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416 | IF( rn_hmin < 0. ) THEN ; i = - INT( rn_hmin ) ! from a nb of level |
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417 | ELSE ; i = MINLOC( gdepw, mask = gdepw > rn_hmin, dim = 1 ) ! from a depth |
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418 | ENDIF |
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419 | zmin = gdepw(i+1) |
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420 | ! |
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421 | ! check that interpolated value stays at the same level |
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422 | ! |
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423 | ! |
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424 | diff = 0 |
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425 | IF ( MOD(irafx,2) .EQ. 0 ) diff = 1 |
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426 | |
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427 | xdiff = REAL(diff)/2. |
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428 | |
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429 | dxfin = 1./irafx |
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430 | dyfin = 1./irafy |
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431 | |
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432 | ptx = 1 + nbghostcellsfine + 1 |
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433 | pty = 1 + nbghostcellsfine + 1 |
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434 | |
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435 | xmin = (imin-1) * 1 |
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436 | ymin = (jmin-1) * 1 |
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437 | |
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438 | |
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439 | ! compute x and y the locations of the indices minbounx and minboundy |
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440 | |
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441 | x = xmin + (minboundx-ptx)*dxfin + dxfin/2. |
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442 | y = ymin + (minboundy-pty)*dyfin + dyfin/2. |
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443 | |
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444 | ! compute the indices of the nearest coarse grid points |
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445 | ipbegin = ptx + agrif_int((x-0.-1./2.) / 1.) - 1 |
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446 | jpbegin = pty + agrif_int((y-0.-1./2.) / 1.) - 1 |
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447 | |
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448 | ! compute indices of the fine grid points nearest to the preceeding coarse grid points |
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449 | ! (inferior values) |
---|
450 | |
---|
451 | x = (ipbegin - ptx) + 1./2. |
---|
452 | y = (jpbegin - pty) + 1./2. |
---|
453 | |
---|
454 | ibegin = ptx + agrif_int((x-xmin-dxfin/2.)/dxfin) |
---|
455 | jbegin = pty + agrif_int((y-ymin-dyfin/2.)/dyfin) |
---|
456 | |
---|
457 | ! compute x and y the locations of the indices maxbounx and maxboundy |
---|
458 | x = xmin + (maxboundx-ptx)*dxfin + dxfin/2. |
---|
459 | y = ymin + (maxboundy-pty)*dyfin + dyfin/2. |
---|
460 | |
---|
461 | ! compute the indices of the nearest coarse grid points |
---|
462 | ipend = ptx + CEILING((x-0.-1./2) / 1.) + 1 |
---|
463 | jpend = pty + CEILING((y-0.-1./2) / 1.) + 1 |
---|
464 | |
---|
465 | ! compute indices of the fine grid points nearest to the preceeding coarse grid points |
---|
466 | ! (inferior values) |
---|
467 | |
---|
468 | x = (ipend - ptx) + 1./2. |
---|
469 | y = (jpend - pty) + 1./2. |
---|
470 | iend = ptx + agrif_int((x-xmin-dxfin/2.)/dxfin) |
---|
471 | jend = pty + agrif_int((y-ymin-dyfin/2.)/dyfin) |
---|
472 | |
---|
473 | |
---|
474 | ALLOCATE(gdepwtemp(ibegin-irafx:iend+irafx,jbegin-irafy:jend+irafy)) |
---|
475 | ALLOCATE(parentbathytab(ibegin-irafx:iend+irafx,jbegin-irafy:jend+irafy)) |
---|
476 | |
---|
477 | |
---|
478 | jpt=jpbegin |
---|
479 | DO j=jbegin,jend,irafy |
---|
480 | |
---|
481 | ipt=ipbegin |
---|
482 | |
---|
483 | |
---|
484 | DO i=ibegin,iend,irafx |
---|
485 | |
---|
486 | |
---|
487 | ! |
---|
488 | parentbathy = ParentGrid%bathy_level(ipt,jpt) |
---|
489 | IF (parentbathy == 0) THEN |
---|
490 | mindepth = 0. |
---|
491 | maxdepth = 0. |
---|
492 | ELSE |
---|
493 | mindepth = MAX(gdepw(parentbathy) + MIN( e3zps_min, e3t(parentbathy)*e3zps_rat ),zmin) |
---|
494 | ! maxdepth = min(gdepw(parentbathy + 1),zmax) |
---|
495 | IF (parentbathy < (N-1)) THEN |
---|
496 | maxdepth = gdepw(parentbathy + 1) |
---|
497 | ELSE |
---|
498 | maxdepth = HUGE(1.) |
---|
499 | ENDIF |
---|
500 | ENDIF |
---|
501 | |
---|
502 | slopex = vanleer(parentgrid%gdepw_ps(ipt-1:ipt+1,jpt))/REAL(irafx) |
---|
503 | |
---|
504 | |
---|
505 | tmp1 = (maxdepth - parentgrid%gdepw_ps(ipt,jpt)) / REAL(irafx) |
---|
506 | tmp2 = (parentgrid%gdepw_ps(ipt,jpt) - mindepth) / REAL(irafx) |
---|
507 | |
---|
508 | IF (ABS(slopex) > tmp1) THEN |
---|
509 | IF (slopex > 0) THEN |
---|
510 | slopex = tmp1 |
---|
511 | ELSE |
---|
512 | slopex = -tmp1 |
---|
513 | ENDIF |
---|
514 | ENDIF |
---|
515 | |
---|
516 | IF (ABS(slopex) > tmp2) THEN |
---|
517 | IF (slopex > 0) THEN |
---|
518 | slopex = tmp2 |
---|
519 | ELSE |
---|
520 | slopex = -tmp2 |
---|
521 | ENDIF |
---|
522 | ENDIF |
---|
523 | ! |
---|
524 | ! interpolation on fine grid points (connection zone) |
---|
525 | ! |
---|
526 | DO ii = i-FLOOR(irafx/2.0)+diff,i+FLOOR(irafx/2.0) |
---|
527 | x = ii-i - xdiff/2. |
---|
528 | !! val = parentgrid%gdepw_ps(ipt,jpt)+slopex * x |
---|
529 | !! chanut: uncomment this to get nearest neighbor interpolation |
---|
530 | val = parentgrid%gdepw_ps(ipt,jpt) |
---|
531 | gdepwtemp(ii,j) = val |
---|
532 | IF (gdepwtemp(ii,j) < mindepth) THEN |
---|
533 | gdepwtemp(ii,j) = mindepth |
---|
534 | ENDIF |
---|
535 | IF (gdepwtemp(ii,j) > maxdepth) THEN |
---|
536 | gdepwtemp(ii,j) = maxdepth |
---|
537 | ENDIF |
---|
538 | parentbathytab(ii,j) = parentbathy |
---|
539 | ENDDO |
---|
540 | ipt =ipt + 1 |
---|
541 | ENDDO |
---|
542 | |
---|
543 | jpt = jpt + 1 |
---|
544 | ENDDO |
---|
545 | |
---|
546 | DO j=jbegin+irafy,jend-irafy,irafy |
---|
547 | |
---|
548 | DO i=ibegin,iend |
---|
549 | |
---|
550 | parentbathy = parentbathytab(i,j) |
---|
551 | IF (parentbathy == 0) THEN |
---|
552 | mindepth = 0. |
---|
553 | maxdepth = 0. |
---|
554 | ELSE |
---|
555 | mindepth = MAX(gdepw(parentbathy) + MIN( e3zps_min, e3t(parentbathy)*e3zps_rat ),zmin) |
---|
556 | ! maxdepth = min(gdepw(parentbathy + 1),zmax) |
---|
557 | IF (parentbathy < (N-1)) THEN |
---|
558 | maxdepth = gdepw(parentbathy + 1) |
---|
559 | ELSE |
---|
560 | maxdepth = HUGE(1.) |
---|
561 | ENDIF |
---|
562 | ENDIF |
---|
563 | |
---|
564 | slopey = vanleer(gdepwtemp(i,j-irafy:j+irafy:irafy))/REAL(irafy) |
---|
565 | |
---|
566 | tmp1 = (maxdepth - gdepwtemp(i,j)) / REAL(irafy) |
---|
567 | tmp2 = (gdepwtemp(i,j) - mindepth) / REAL(irafy) |
---|
568 | |
---|
569 | IF (ABS(slopey) > tmp1) THEN |
---|
570 | IF (slopey > 0) THEN |
---|
571 | slopey = tmp1 |
---|
572 | ELSE |
---|
573 | slopey = -tmp1 |
---|
574 | ENDIF |
---|
575 | ENDIF |
---|
576 | IF (ABS(slopey) > tmp2) THEN |
---|
577 | IF (slopey > 0) THEN |
---|
578 | slopey = tmp2 |
---|
579 | ELSE |
---|
580 | slopey = -tmp2 |
---|
581 | ENDIF |
---|
582 | ENDIF |
---|
583 | |
---|
584 | |
---|
585 | DO jj = j-FLOOR(irafy/2.0)+diff,j+FLOOR(irafy/2.0) |
---|
586 | y = jj-j - xdiff/2. |
---|
587 | !! val = gdepwtemp(i,j) + slopey*y |
---|
588 | !! chanut: uncomment this to get nearest neighbor interpolation |
---|
589 | val = gdepwtemp(i,j) |
---|
590 | gdepwtemp(i,jj) = val |
---|
591 | ENDDO |
---|
592 | ENDDO |
---|
593 | ENDDO |
---|
594 | |
---|
595 | |
---|
596 | gdepwchild(minboundx:maxboundx,minboundy:maxboundy) = gdepwtemp(minboundx:maxboundx,minboundy:maxboundy) |
---|
597 | DEALLOCATE(gdepwtemp,parentbathytab) |
---|
598 | |
---|
599 | END SUBROUTINE correct_level |
---|
600 | ! |
---|
601 | ! |
---|
602 | !*************************************************** |
---|
603 | ! function van leer to compute the corresponding |
---|
604 | ! Van Leer slopes |
---|
605 | !*************************************************** |
---|
606 | ! |
---|
607 | REAL FUNCTION vanleer(tab) |
---|
608 | REAL, DIMENSION(3) :: tab |
---|
609 | REAL res,res1 |
---|
610 | REAL p1,p2,p3 |
---|
611 | |
---|
612 | p1=(tab(3)-tab(1))/2. |
---|
613 | p2=(tab(2)-tab(1)) |
---|
614 | p3=(tab(3)-tab(2)) |
---|
615 | |
---|
616 | IF ((p1>0.).AND.(p2>0.).AND.(p3>0)) THEN |
---|
617 | res1=MINVAL((/p1,p2,p3/)) |
---|
618 | ELSEIF ((p1<0.).AND.(p2<0.).AND.(p3<0)) THEN |
---|
619 | res1=MAXVAL((/p1,p2,p3/)) |
---|
620 | ELSE |
---|
621 | res1=0. |
---|
622 | ENDIF |
---|
623 | |
---|
624 | vanleer = res1 |
---|
625 | |
---|
626 | |
---|
627 | END FUNCTION vanleer |
---|
628 | ! |
---|
629 | ! |
---|
630 | !******************************************************************************** |
---|
631 | ! subroutine bathymetry_control * |
---|
632 | ! * |
---|
633 | ! - Purpose : check the bathymetry in levels * |
---|
634 | ! * |
---|
635 | ! - Method : The array mbathy is checked to verified its consistency * |
---|
636 | ! with the model options. in particular: * |
---|
637 | ! mbathy must have at least 1 land grid-points (mbathy<=0) * |
---|
638 | ! along closed boundary. * |
---|
639 | ! mbathy must be cyclic IF jperio=1. * |
---|
640 | ! mbathy must be lower or equal to jpk-1. * |
---|
641 | ! isolated ocean grid points are suppressed from mbathy * |
---|
642 | ! since they are only connected to remaining * |
---|
643 | ! ocean through vertical diffusion. * |
---|
644 | ! * |
---|
645 | ! * |
---|
646 | !******************************************************************************** |
---|
647 | |
---|
648 | SUBROUTINE bathymetry_control(mbathy) |
---|
649 | |
---|
650 | INTEGER :: i, j, jl |
---|
651 | INTEGER :: icompt, ibtest, ikmax |
---|
652 | REAL*8, DIMENSION(:,:) :: mbathy |
---|
653 | |
---|
654 | ! ================ |
---|
655 | ! Bathymetry check |
---|
656 | ! ================ |
---|
657 | |
---|
658 | ! Suppress isolated ocean grid points |
---|
659 | |
---|
660 | WRITE(*,*)' suppress isolated ocean grid points' |
---|
661 | WRITE(*,*)' -----------------------------------' |
---|
662 | |
---|
663 | icompt = 0 |
---|
664 | |
---|
665 | DO jl = 1, 2 |
---|
666 | ! |
---|
667 | DO j = 2, SIZE(mbathy,2)-1 |
---|
668 | DO i = 2, SIZE(mbathy,1)-1 |
---|
669 | |
---|
670 | ibtest = MAX( mbathy(i-1,j), mbathy(i+1,j),mbathy(i,j-1),mbathy(i,j+1) ) |
---|
671 | ! |
---|
672 | IF( ibtest < mbathy(i,j) ) THEN |
---|
673 | ! |
---|
674 | WRITE(*,*) 'grid-point(i,j)= ',i,j,'is changed from',mbathy(i,j),' to ', ibtest |
---|
675 | mbathy(i,j) = ibtest |
---|
676 | icompt = icompt + 1 |
---|
677 | ! |
---|
678 | ENDIF |
---|
679 | ! |
---|
680 | END DO |
---|
681 | END DO |
---|
682 | ! |
---|
683 | END DO |
---|
684 | ! |
---|
685 | IF( icompt == 0 ) THEN |
---|
686 | WRITE(*,*)' no isolated ocean grid points' |
---|
687 | ELSE |
---|
688 | WRITE(*,*)' ',icompt,' ocean grid points suppressed' |
---|
689 | ENDIF |
---|
690 | ! |
---|
691 | |
---|
692 | ! Number of ocean level inferior or equal to jpkm1 |
---|
693 | |
---|
694 | ikmax = 0 |
---|
695 | DO j = 1, SIZE(mbathy,2) |
---|
696 | DO ji = 1, SIZE(mbathy,1) |
---|
697 | ikmax = MAX( ikmax, NINT(mbathy(i,j)) ) |
---|
698 | END DO |
---|
699 | END DO |
---|
700 | ! |
---|
701 | IF( ikmax > N-1 ) THEN |
---|
702 | WRITE(*,*) ' maximum number of ocean level = ', ikmax,' > jpk-1' |
---|
703 | WRITE(*,*) ' change jpk to ',ikmax+1,' to use the exact ead bathymetry' |
---|
704 | ELSE IF( ikmax < N-1 ) THEN |
---|
705 | WRITE(*,*) ' maximum number of ocean level = ', ikmax,' < jpk-1' |
---|
706 | WRITE(*,*) ' you can decrease jpk to ', ikmax+1 |
---|
707 | ENDIF |
---|
708 | |
---|
709 | END SUBROUTINE bathymetry_control |
---|
710 | ! |
---|
711 | ! |
---|
712 | !********************************************************************************** |
---|
713 | ! |
---|
714 | !subroutine get_scale_factors |
---|
715 | ! |
---|
716 | !********************************************************************************** |
---|
717 | ! |
---|
718 | SUBROUTINE get_scale_factors(Grid,fse3t,fse3u,fse3v) |
---|
719 | ! |
---|
720 | IMPLICIT NONE |
---|
721 | ! |
---|
722 | TYPE(Coordinates) :: Grid |
---|
723 | REAL*8, DIMENSION(:,:,:) :: fse3u,fse3t,fse3v |
---|
724 | ! |
---|
725 | REAL*8 :: za2,za1,za0,zsur,zacr,zkth,zacr2,zkth2,zdepth,zdepwp,zmin,zmax,zdiff,ze3tp,ze3wp |
---|
726 | INTEGER :: i,j,jk,jj,ji,jpj,jpi,ik,ii,ipt,jpt,jpk |
---|
727 | INTEGER, DIMENSION(1) :: k |
---|
728 | INTEGER :: k1 |
---|
729 | REAL*8, POINTER, DIMENSION(:) :: gdepw,gdept,e3w,e3t |
---|
730 | REAL*8, POINTER, DIMENSION(:,:) :: hdepw,e3tp,e3wp |
---|
731 | REAL*8, POINTER, DIMENSION(:,:,:) :: gdept_ps,gdepw_ps |
---|
732 | ! |
---|
733 | jpi = SIZE(fse3t,1) |
---|
734 | jpj = SIZE(fse3t,2) |
---|
735 | jpk = SIZE(fse3t,3) |
---|
736 | ! |
---|
737 | ALLOCATE(gdepw(jpk),e3t(jpk)) |
---|
738 | ALLOCATE(gdepw_ps(jpi,jpj,jpk)) |
---|
739 | ! |
---|
740 | IF ( ( pa0 == 0 .OR. pa1 == 0 .OR. psur == 0 ) & |
---|
741 | .AND. ppdzmin.NE.0 .AND. pphmax.NE.0 ) THEN |
---|
742 | ! |
---|
743 | WRITE(*,*) 'psur,pa0,pa1 computed' |
---|
744 | za1=( ppdzmin - pphmax / (jpk-1) ) & |
---|
745 | / ( TANH((1-ppkth)/ppacr) - ppacr/(jpk-1) & |
---|
746 | * ( LOG( COSH( (jpk - ppkth) / ppacr) ) & |
---|
747 | - LOG( COSH( ( 1 - ppkth) / ppacr) ) ) ) |
---|
748 | |
---|
749 | za0 = ppdzmin - za1 * TANH( (1-ppkth) / ppacr ) |
---|
750 | zsur = - za0 - za1 * ppacr * LOG( COSH( (1-ppkth) / ppacr ) ) |
---|
751 | ! |
---|
752 | ELSE IF ( (ppdzmin == 0 .OR. pphmax == 0) .AND. psur.NE.0 .AND. & |
---|
753 | pa0.NE.0 .AND. pa1.NE.0 ) THEN |
---|
754 | ! |
---|
755 | WRITE(*,*) 'psur,pa0,pa1 given by namelist' |
---|
756 | zsur = psur |
---|
757 | za0 = pa0 |
---|
758 | za1 = pa1 |
---|
759 | za2 = pa2 |
---|
760 | ! |
---|
761 | ELSE |
---|
762 | ! |
---|
763 | WRITE(*,*) 'ERROR ***** bad vertical grid parameters ...' |
---|
764 | WRITE(*,*) ' ' |
---|
765 | WRITE(*,*) 'please check values of variables' |
---|
766 | WRITE(*,*) 'in namelist vertical_grid section' |
---|
767 | WRITE(*,*) ' ' |
---|
768 | STOP |
---|
769 | ! |
---|
770 | ENDIF |
---|
771 | |
---|
772 | zacr = ppacr |
---|
773 | zkth = ppkth |
---|
774 | zacr2 = ppacr2 |
---|
775 | zkth2 = ppkth2 |
---|
776 | ! |
---|
777 | IF( ppkth == 0. ) THEN ! uniform vertical grid |
---|
778 | za1 = pphmax / FLOAT(jpk-1) |
---|
779 | DO i = 1, jpk |
---|
780 | gdepw(i) = ( i - 1 ) * za1 |
---|
781 | e3t (i) = za1 |
---|
782 | END DO |
---|
783 | ELSE ! Madec & Imbard 1996 function |
---|
784 | IF( .NOT. ldbletanh ) THEN |
---|
785 | DO i = 1,jpk |
---|
786 | ! |
---|
787 | gdepw(i) = (zsur+za0*i+za1*zacr*LOG(COSH((i-zkth)/zacr))) |
---|
788 | e3t(i) = (za0 + za1 * TANH(((i+0.5)-zkth)/zacr)) |
---|
789 | ! |
---|
790 | END DO |
---|
791 | ELSE |
---|
792 | DO i = 1,jpk |
---|
793 | ! Double tanh function |
---|
794 | gdepw(i) = ( zsur + za0*i + za1 * zacr * LOG ( COSH( (i-zkth ) / zacr ) ) & |
---|
795 | & + za2 * zacr2* LOG ( COSH( (i-zkth2) / zacr2 ) ) ) |
---|
796 | e3t (i) = za0 + za1 * TANH( ((i+0.5)-zkth ) / zacr ) & |
---|
797 | & + za2 * TANH( ((i+0.5)-zkth2) / zacr2 ) |
---|
798 | END DO |
---|
799 | ENDIF |
---|
800 | ENDIF |
---|
801 | ! |
---|
802 | gdepw(1)=0. |
---|
803 | IF ( ln_e3_dep ) THEN ! e3. = dk[gdep] |
---|
804 | ! |
---|
805 | DO i = 1, jpk-1 |
---|
806 | e3t(i) = gdepw(i+1)-gdepw(i) |
---|
807 | END DO |
---|
808 | e3t(jpk) = e3t(jpk-1) |
---|
809 | END IF |
---|
810 | ! |
---|
811 | DO i = 1,jpk |
---|
812 | ! |
---|
813 | fse3t(:,:,i) = e3t(i) |
---|
814 | gdepw_ps(:,:,i) = gdepw(i) |
---|
815 | ! |
---|
816 | END DO |
---|
817 | ! |
---|
818 | gdepw(1) = 0.0 |
---|
819 | gdepw_ps(:,:,1) = 0.0 |
---|
820 | ! |
---|
821 | zmax = gdepw(jpk) + e3t(jpk) |
---|
822 | IF( rn_hmin < 0. ) THEN ; i = - INT( rn_hmin ) ! from a nb of level |
---|
823 | ELSE ; i = MINLOC( gdepw, mask = gdepw > rn_hmin, dim = 1 ) ! from a depth |
---|
824 | ENDIF |
---|
825 | zmin = gdepw(i+1) |
---|
826 | ! |
---|
827 | DO jj = 1, jpj |
---|
828 | DO ji= 1, jpi |
---|
829 | IF( Grid%bathy_meter(ji,jj) <= 0. ) THEN |
---|
830 | Grid%bathy_meter(ji,jj) = 0.e0 |
---|
831 | ELSE |
---|
832 | Grid%bathy_meter(ji,jj) = MAX( Grid%bathy_meter(ji,jj), zmin ) |
---|
833 | Grid%bathy_meter(ji,jj) = MIN( Grid%bathy_meter(ji,jj), zmax ) |
---|
834 | ENDIF |
---|
835 | END DO |
---|
836 | END DO |
---|
837 | ! |
---|
838 | DO jj = 1, jpj |
---|
839 | DO ji = 1, jpi |
---|
840 | ik = Grid%bathy_level(ji,jj) |
---|
841 | IF( ik > 0 ) THEN |
---|
842 | ! max ocean level case |
---|
843 | IF( ik == jpk-1 ) THEN |
---|
844 | zdepwp = Grid%bathy_meter(ji,jj) |
---|
845 | ze3tp = Grid%bathy_meter(ji,jj) - gdepw(ik) |
---|
846 | fse3t(ji,jj,ik ) = ze3tp |
---|
847 | fse3t(ji,jj,ik+1) = ze3tp |
---|
848 | gdepw_ps(ji,jj,ik+1) = zdepwp |
---|
849 | ELSE |
---|
850 | IF( Grid%bathy_meter(ji,jj) <= gdepw(ik+1) ) THEN |
---|
851 | gdepw_ps(ji,jj,ik+1) = Grid%bathy_meter(ji,jj) |
---|
852 | ELSE |
---|
853 | gdepw_ps(ji,jj,ik+1) = gdepw(ik+1) |
---|
854 | ENDIF |
---|
855 | fse3t(ji,jj,ik) = e3t(ik) * ( gdepw_ps(ji,jj,ik+1) - gdepw(ik)) & |
---|
856 | /( gdepw(ik+1) - gdepw(ik)) |
---|
857 | fse3t(ji,jj,ik+1) = fse3t(ji,jj,ik) |
---|
858 | |
---|
859 | ENDIF |
---|
860 | ENDIF |
---|
861 | END DO |
---|
862 | END DO |
---|
863 | ! |
---|
864 | DO i = 1, jpk |
---|
865 | fse3u (:,:,i) = e3t(i) |
---|
866 | fse3v (:,:,i) = e3t(i) |
---|
867 | END DO |
---|
868 | ! |
---|
869 | DO jk = 1,jpk |
---|
870 | DO jj = 1, jpj-1 |
---|
871 | DO ji = 1, jpi-1 |
---|
872 | fse3u (ji,jj,jk) = MIN( fse3t(ji,jj,jk), fse3t(ji+1,jj,jk)) |
---|
873 | fse3v (ji,jj,jk) = MIN( fse3t(ji,jj,jk), fse3t(ji,jj+1,jk)) |
---|
874 | ENDDO |
---|
875 | ENDDO |
---|
876 | ENDDO |
---|
877 | ! |
---|
878 | DEALLOCATE(gdepw,e3t) |
---|
879 | DEALLOCATE(gdepw_ps) |
---|
880 | DEALLOCATE(Grid%bathy_meter,Grid%bathy_level) |
---|
881 | ! |
---|
882 | END SUBROUTINE get_scale_factors |
---|
883 | ! |
---|
884 | END MODULE agrif_partial_steps |
---|
885 | |
---|
886 | |
---|