1 | MODULE icbutl |
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2 | |
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3 | !!====================================================================== |
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4 | !! *** MODULE icbutl *** |
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5 | !! Ocean physics: various iceberg utility routines |
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6 | !!====================================================================== |
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7 | !! History : 3.3.1 ! 2010-01 (Martin&Adcroft) Original code |
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8 | !! - ! 2011-03 (Madec) Part conversion to NEMO form |
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9 | !! - ! Removal of mapping from another grid |
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10 | !! - ! 2011-04 (Alderson) Split into separate modules |
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11 | !!---------------------------------------------------------------------- |
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12 | !!---------------------------------------------------------------------- |
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13 | !! interp_flds : |
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14 | !! bilin : |
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15 | !! bilin_e : |
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16 | !!---------------------------------------------------------------------- |
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17 | USE par_oce ! ocean parameters |
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18 | USE dom_oce ! ocean domain |
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19 | USE in_out_manager ! IO parameters |
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20 | USE lbclnk ! lateral boundary condition |
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21 | USE lib_mpp ! MPI code and lk_mpp in particular |
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22 | USE icb_oce ! define iceberg arrays |
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23 | USE sbc_oce ! ocean surface boundary conditions |
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24 | #if defined key_lim2 |
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25 | USE ice_2, ONLY: u_ice, v_ice ! LIM-2 ice velocities (CAUTION in C-grid do not use key_vp option) |
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26 | USE ice_2, ONLY: hi => hicif ! LIM-2 ice thickness |
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27 | #elif defined key_lim3 |
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28 | USE ice, ONLY: u_ice, v_ice ! LIM-3 variables (always in C-grid) |
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29 | ! gm LIM3 case the mean ice thickness (i.e. averaged over categories) |
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30 | ! gm has to be computed somewhere in the ice and accessed here |
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31 | #endif |
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32 | |
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33 | IMPLICIT NONE |
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34 | PRIVATE |
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35 | |
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36 | PUBLIC copy_flds ! routine called in xxx.F90 module |
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37 | PUBLIC interp_flds ! routine called in xxx.F90 module |
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38 | PUBLIC bilin |
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39 | PUBLIC bilin_x |
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40 | PUBLIC bilin_e |
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41 | PUBLIC add_new_berg_to_list |
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42 | PUBLIC insert_berg_into_list |
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43 | PUBLIC delete_iceberg_from_list |
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44 | PUBLIC destroy_iceberg |
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45 | PUBLIC track_berg |
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46 | PUBLIC print_berg |
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47 | PUBLIC print_bergs |
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48 | PUBLIC count_bergs |
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49 | PUBLIC increment_kounter |
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50 | PUBLIC yearday |
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51 | PUBLIC sum_mass |
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52 | PUBLIC sum_heat |
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53 | |
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54 | PRIVATE create_iceberg |
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55 | |
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56 | !!------------------------------------------------------------------------- |
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57 | |
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58 | CONTAINS |
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59 | |
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60 | SUBROUTINE copy_flds() |
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61 | !!---------------------------------------------------------------------- |
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62 | !! *** ROUTINE copy_flds *** |
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63 | !! |
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64 | !! ** Purpose : iceberg initialization. |
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65 | !! |
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66 | !! ** Method : - blah blah |
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67 | !!---------------------------------------------------------------------- |
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68 | |
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69 | ! copy nemo forcing arrays into iceberg versions with extra halo |
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70 | ! only necessary for variables not on T points |
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71 | ! and ssh which is used to calculate gradients |
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72 | |
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73 | uo_e(:,:) = 0._wp ; uo_e(1:jpi, 1:jpj) = ssu_m(:,:) |
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74 | vo_e(:,:) = 0._wp ; vo_e(1:jpi, 1:jpj) = ssv_m(:,:) |
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75 | ff_e(:,:) = 0._wp ; ff_e(1:jpi, 1:jpj) = ff (:,:) |
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76 | ua_e(:,:) = 0._wp ; ua_e(1:jpi, 1:jpj) = utau (:,:) |
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77 | va_e(:,:) = 0._wp ; va_e(1:jpi, 1:jpj) = vtau (:,:) |
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78 | |
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79 | CALL lbc_lnk_e( uo_e, 'U', -1._wp, 1, 1 ) |
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80 | CALL lbc_lnk_e( vo_e, 'V', -1._wp, 1, 1 ) |
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81 | CALL lbc_lnk_e( ff_e, 'F', +1._wp, 1, 1 ) |
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82 | CALL lbc_lnk_e( ua_e, 'U', -1._wp, 1, 1 ) |
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83 | CALL lbc_lnk_e( va_e, 'V', -1._wp, 1, 1 ) |
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84 | |
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85 | #if defined key_lim2 || defined key_lim3 |
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86 | ui_e(:,:) = 0._wp ; ui_e(1:jpi, 1:jpj) = u_ice(:,:) |
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87 | vi_e(:,:) = 0._wp ; vi_e(1:jpi, 1:jpj) = v_ice(:,:) |
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88 | |
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89 | CALL lbc_lnk_e( ui_e, 'U', -1._wp, 1, 1 ) |
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90 | CALL lbc_lnk_e( vi_e, 'V', -1._wp, 1, 1 ) |
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91 | #endif |
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92 | |
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93 | !! special for ssh which is used to calculate slope |
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94 | !! so fudge some numbers all the way around the boundary |
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95 | |
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96 | ssh_e(:,:) = 0._wp ; ssh_e(1:jpi, 1:jpj) = ssh_m(:,:) |
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97 | ssh_e(0 , :) = ssh_e(1 , :) |
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98 | ssh_e(jpi+1, :) = ssh_e(jpi, :) |
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99 | ssh_e(: , 0) = ssh_e(: , 1) |
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100 | ssh_e(: ,jpj+1) = ssh_e(: ,jpj) |
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101 | ssh_e(0,0) = ssh_e(1,1) |
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102 | ssh_e(jpi+1,0) = ssh_e(jpi,1) |
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103 | ssh_e(0,jpj+1) = ssh_e(1,jpj) |
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104 | ssh_e(jpi+1,jpj+1) = ssh_e(jpi,jpj) |
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105 | CALL lbc_lnk_e( ssh_e, 'T', +1._wp, 1, 1 ) |
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106 | |
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107 | END SUBROUTINE copy_flds |
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108 | |
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109 | !!------------------------------------------------------------------------- |
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110 | |
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111 | SUBROUTINE interp_flds( pi, pe1, puo, pui, pua, pssh_i, & |
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112 | & pj, pe2, pvo, pvi, pva, pssh_j, psst, pcn, phi, pff ) |
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113 | !!---------------------------------------------------------------------- |
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114 | !! *** ROUTINE interp_flds *** |
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115 | !! |
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116 | !! ** Purpose : iceberg initialization. |
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117 | !! |
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118 | !! ** Method : - blah blah |
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119 | !! |
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120 | !! !!gm CAUTION here I do not care of the slip/no-slip conditions |
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121 | !! this can be done later (not that easy to do...) |
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122 | !! right now, U is 0 in land so that the coastal value of velocity parallel to the coast |
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123 | !! is half the off shore value, wile the normal-to-the-coast value is zero. |
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124 | !! This is OK as a starting point. |
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125 | !! |
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126 | !!---------------------------------------------------------------------- |
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127 | REAL(wp), INTENT(in ) :: pi , pj ! position in (i,j) referential |
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128 | REAL(wp), INTENT( out) :: pe1, pe2 ! i- and j scale factors |
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129 | REAL(wp), INTENT( out) :: puo, pvo, pui, pvi, pua, pva ! ocean, ice and wind speeds |
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130 | REAL(wp), INTENT( out) :: pssh_i, pssh_j ! ssh i- & j-gradients |
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131 | REAL(wp), INTENT( out) :: psst, pcn, phi, pff ! SST, ice concentration, ice thickness, Coriolis |
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132 | ! |
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133 | REAL(wp) :: zcd, zmod ! local scalars |
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134 | !!---------------------------------------------------------------------- |
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135 | |
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136 | pe1 = bilin_e( e1t, e1u, e1v, e1f, pi, pj ) ! scale factors |
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137 | pe2 = bilin_e( e2t, e2u, e2v, e2f, pi, pj ) |
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138 | ! |
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139 | puo = bilin( uo_e, pi, pj, 'U', 1, 1 ) ! ocean velocities |
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140 | pvo = bilin( vo_e, pi, pj, 'V', 1, 1 ) |
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141 | psst = bilin( sst_m, pi, pj, 'T', 0, 0 ) ! SST |
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142 | pcn = bilin( fr_i , pi, pj, 'T', 0, 0 ) ! ice concentration |
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143 | pff = bilin( ff_e , pi, pj, 'F', 1, 1 ) ! Coriolis parameter |
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144 | ! |
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145 | pua = bilin( ua_e , pi, pj, 'U', 1, 1 ) ! 10m wind |
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146 | pva = bilin( va_e , pi, pj, 'V', 1, 1 ) ! here (ua,va) are stress => rough conversion from stress to speed |
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147 | zcd = 1.22_wp * 1.5e-3_wp ! air density * drag coefficient |
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148 | zmod = 1._wp / MAX( 1.e-20, SQRT( zcd * SQRT( pua*pua + pva*pva) ) ) |
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149 | pua = pua * zmod ! note: stress module=0 necessarly implies ua=va=0 |
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150 | pva = pva * zmod |
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151 | |
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152 | #if defined key_lim2 || defined key_lim3 |
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153 | pui = bilin( ui_e, pi, pj, 'U', 1, 1 ) ! sea-ice velocities |
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154 | pvi = bilin( vi_e, pi, pj, 'V', 1, 1 ) |
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155 | phi = bilin( hi , pi, pj, 'T', 0, 0 ) ! ice thickness |
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156 | #else |
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157 | pui = 0._wp |
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158 | pvi = 0._wp |
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159 | phi = 0._wp |
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160 | #endif |
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161 | |
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162 | ! Estimate SSH gradient in i- and j-direction (centred evaluation) |
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163 | pssh_i = ( bilin( ssh_e, pi+0.1_wp, pj, 'T', 1, 1 ) - bilin( ssh_e, pi-0.1_wp, pj, 'T', 1, 1 ) ) / ( 0.2_wp * pe1 ) |
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164 | pssh_j = ( bilin( ssh_e, pi, pj+0.1_wp, 'T', 1, 1 ) - bilin( ssh_e, pi, pj-0.1_wp, 'T', 1, 1 ) ) / ( 0.2_wp * pe2 ) |
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165 | ! |
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166 | END SUBROUTINE interp_flds |
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167 | |
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168 | !!------------------------------------------------------------------------- |
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169 | |
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170 | REAL(wp) FUNCTION bilin( pfld, pi, pj, cd_type, jdi, jdj ) |
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171 | !!---------------------------------------------------------------------- |
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172 | !! *** FUNCTION bilin *** |
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173 | !! |
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174 | !! ** Purpose : bilinear interpolation at berg location depending on the grid-point type |
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175 | !! |
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176 | !! !!gm CAUTION an optional argument should be added to handle |
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177 | !! the slip/no-slip conditions ==>>> to be done later |
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178 | !! |
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179 | !!---------------------------------------------------------------------- |
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180 | INTEGER , INTENT(in) :: jdi, jdj ! extra halo on grid |
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181 | REAL(wp), DIMENSION(1-jdi:jpi+jdi,1-jdj:jpj+jdj), INTENT(in) :: pfld ! field to be interpolated |
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182 | REAL(wp) , INTENT(in) :: pi, pj ! targeted coordinates in (i,j) referential |
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183 | CHARACTER(len=1) , INTENT(in) :: cd_type ! type of pfld array grid-points: = T , U , V or F points |
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184 | ! |
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185 | INTEGER :: ii, ij ! local integer |
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186 | REAL(wp) :: zi, zj ! local real |
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187 | !!---------------------------------------------------------------------- |
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188 | ! |
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189 | SELECT CASE ( cd_type ) |
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190 | CASE ( 'T' ) |
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191 | ! note that here there is no +0.5 added |
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192 | ! since we're looking for four T points containing quadrant we're in of |
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193 | ! current T cell |
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194 | ii = INT( pi ) |
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195 | ij = INT( pj ) ! T-point |
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196 | zi = pi - REAL(ii,wp) |
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197 | zj = pj - REAL(ij,wp) |
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198 | CASE ( 'U' ) |
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199 | ii = INT( pi-0.5 ) |
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200 | ij = INT( pj ) ! U-point |
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201 | zi = pi - 0.5 - REAL(ii,wp) |
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202 | zj = pj - REAL(ij,wp) |
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203 | CASE ( 'V' ) |
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204 | ii = INT( pi ) |
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205 | ij = INT( pj -0.5 ) ! V-point |
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206 | zi = pi - REAL(ii,wp) |
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207 | zj = pj - 0.5 - REAL(ij,wp) |
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208 | CASE ( 'F' ) |
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209 | ii = INT( pi-0.5 ) |
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210 | ij = INT( pj -0.5 ) ! F-point |
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211 | zi = pi - 0.5 - REAL(ii,wp) |
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212 | zj = pj - 0.5 - REAL(ij,wp) |
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213 | END SELECT |
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214 | ! |
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215 | ! find position in this processor |
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216 | ii = ii - nimpp + 1 |
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217 | ij = ij - njmpp + 1 |
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218 | ! |
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219 | bilin = ( pfld(ii,ij ) * (1.-zi) + pfld(ii+1,ij ) * zi ) * (1.-zj) & |
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220 | & + ( pfld(ii,ij+1) * (1.-zi) + pfld(ii+1,ij+1) * zi ) * zj |
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221 | ! |
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222 | END FUNCTION bilin |
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223 | |
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224 | !!------------------------------------------------------------------------- |
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225 | |
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226 | REAL(wp) FUNCTION bilin_x( pfld, pi, pj ) |
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227 | !!---------------------------------------------------------------------- |
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228 | !! *** FUNCTION bilin_x *** |
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229 | !! |
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230 | !! ** Purpose : bilinear interpolation at berg location depending on the grid-point type |
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231 | !! Special case for interpolating longitude |
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232 | !! |
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233 | !! !!gm CAUTION an optional argument should be added to handle |
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234 | !! the slip/no-slip conditions ==>>> to be done later |
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235 | !! |
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236 | !!---------------------------------------------------------------------- |
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237 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in) :: pfld ! field to be interpolated |
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238 | REAL(wp) , INTENT(in) :: pi, pj ! targeted coordinates in (i,j) referential |
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239 | ! |
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240 | INTEGER :: ii, ij ! local integer |
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241 | REAL(wp) :: zi, zj ! local real |
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242 | REAL(wp), DIMENSION(4) :: z4 |
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243 | !!---------------------------------------------------------------------- |
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244 | ! |
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245 | ! note that here there is no +0.5 added |
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246 | ! since we're looking for four T points containing quadrant we're in of |
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247 | ! current T cell |
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248 | ii = INT( pi ) |
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249 | ij = INT( pj ) ! T-point |
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250 | zi = pi - REAL(ii,wp) |
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251 | zj = pj - REAL(ij,wp) |
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252 | ! |
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253 | ! find position in this processor |
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254 | ii = ii - nimpp + 1 |
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255 | ij = ij - njmpp + 1 |
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256 | z4(1) = pfld(ii ,ij ) |
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257 | z4(2) = pfld(ii+1,ij ) |
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258 | z4(3) = pfld(ii ,ij+1) |
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259 | z4(4) = pfld(ii+1,ij+1) |
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260 | IF( MAXVAL(z4) - MINVAL(z4) > 90._wp ) THEN |
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261 | WHERE( z4 < 0._wp ) z4 = z4 + 360._wp |
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262 | ENDIF |
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263 | ! |
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264 | bilin_x = (z4(1) * (1.-zi) + z4(2) * zi) * (1.-zj) + (z4(3) * (1.-zi) + z4(4) * zi) * zj |
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265 | IF( bilin_x > 180._wp ) bilin_x = bilin_x - 360._wp |
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266 | ! |
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267 | END FUNCTION bilin_x |
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268 | |
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269 | !!------------------------------------------------------------------------- |
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270 | |
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271 | REAL(wp) FUNCTION bilin_e( pet, peu, pev, pef, pi, pj ) |
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272 | !!---------------------------------------------------------------------- |
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273 | !! *** FUNCTION dom_init *** |
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274 | !! |
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275 | !! ** Purpose : bilinear interpolation at berg location of horizontal scale factor |
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276 | !! ** Method : interpolation done using the 4 nearest grid point among |
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277 | !! t-, u-, v-, and f-points. |
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278 | !!---------------------------------------------------------------------- |
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279 | REAL(wp), DIMENSION(:,:), INTENT(in) :: pet, peu, pev, pef ! horizontal scale factor to be interpolated at t-,u-,v- & f-pts |
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280 | REAL(wp) , INTENT(in) :: pi, pj ! targeted coordinates in (i,j) referential |
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281 | ! |
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282 | INTEGER :: ii, ij, icase ! local integer |
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283 | ! |
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284 | ! weights corresponding to corner points of a T cell quadrant |
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285 | REAL(wp) :: zi, zj ! local real |
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286 | ! |
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287 | ! values at corner points of a T cell quadrant |
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288 | ! 00 = bottom left, 10 = bottom right, 01 = top left, 11 = top right |
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289 | REAL(wp) :: ze00, ze10, ze01, ze11 |
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290 | !!---------------------------------------------------------------------- |
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291 | ! |
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292 | ii = INT( pi ) ; ij = INT( pj ) ! left bottom T-point (i,j) indices |
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293 | |
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294 | ! fractional box spacing |
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295 | ! 0 <= zi < 0.5, 0 <= zj < 0.5 --> NW quadrant of current T cell |
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296 | ! 0.5 <= zi < 1 , 0 <= zj < 0.5 --> NE quadrant |
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297 | ! 0 <= zi < 0.5, 0.5 <= zj < 1 --> SE quadrant |
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298 | ! 0.5 <= zi < 1 , 0.5 <= zj < 1 --> SW quadrant |
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299 | |
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300 | zi = pi - REAL(ii,wp) |
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301 | zj = pj - REAL(ij,wp) |
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302 | |
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303 | ! find position in this processor |
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304 | ii = ii - nimpp + 1 |
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305 | ij = ij - njmpp + 1 |
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306 | |
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307 | IF( 0.0_wp <= zi .AND. zi < 0.5_wp ) THEN |
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308 | IF( 0.0_wp <= zj .AND. zj < 0.5_wp ) THEN ! NE quadrant |
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309 | ! ! i=I i=I+1/2 |
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310 | ze01 = pev(ii ,ij ) ; ze11 = pef(ii ,ij ) ! j=J+1/2 V ------- F |
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311 | ze00 = pet(ii ,ij ) ; ze10 = peu(ii ,ij ) ! j=J T ------- U |
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312 | zi = 2._wp * zi |
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313 | zj = 2._wp * zj |
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314 | ELSE ! SE quadrant |
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315 | ! ! i=I i=I+1/2 |
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316 | ze01 = pet(ii ,ij+1) ; ze11 = peu(ii ,ij+1) ! j=J+1 T ------- U |
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317 | ze00 = pev(ii ,ij ) ; ze10 = pef(ii ,ij ) ! j=J+1/2 V ------- F |
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318 | zi = 2._wp * zi |
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319 | zj = 2._wp * (zj-0.5_wp) |
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320 | ENDIF |
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321 | ELSE |
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322 | IF( 0.0_wp <= zj .AND. zj < 0.5_wp ) THEN ! NW quadrant |
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323 | ! ! i=I i=I+1/2 |
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324 | ze01 = pef(ii ,ij ) ; ze11 = pev(ii+1,ij) ! j=J+1/2 F ------- V |
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325 | ze00 = peu(ii ,ij ) ; ze10 = pet(ii+1,ij) ! j=J U ------- T |
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326 | zi = 2._wp * (zi-0.5_wp) |
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327 | zj = 2._wp * zj |
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328 | ELSE ! SW quadrant |
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329 | ! ! i=I+1/2 i=I+1 |
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330 | ze01 = peu(ii ,ij+1) ; ze11 = pet(ii+1,ij+1) ! j=J+1 U ------- T |
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331 | ze00 = pef(ii ,ij ) ; ze10 = pev(ii+1,ij ) ! j=J+1/2 F ------- V |
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332 | zi = 2._wp * (zi-0.5_wp) |
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333 | zj = 2._wp * (zj-0.5_wp) |
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334 | ENDIF |
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335 | ENDIF |
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336 | ! |
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337 | bilin_e = ( ze01 * (1.-zi) + ze11 * zi ) * zj & |
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338 | & + ( ze00 * (1.-zi) + ze10 * zi ) * (1.-zj) |
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339 | ! |
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340 | END FUNCTION bilin_e |
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341 | |
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342 | !!------------------------------------------------------------------------- |
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343 | |
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344 | |
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345 | SUBROUTINE add_new_berg_to_list( bergvals, ptvals ) |
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346 | !!---------------------------------------------------------------------- |
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347 | !! *** ROUTINE add_new_berg_to_list *** |
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348 | !! |
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349 | !! ** Purpose : add a new berg to the iceberg list |
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350 | !! |
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351 | !! ** method : - ? |
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352 | !!---------------------------------------------------------------------- |
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353 | TYPE(iceberg), INTENT(in) :: bergvals |
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354 | TYPE(point) , INTENT(in) :: ptvals |
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355 | ! |
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356 | TYPE(iceberg), POINTER :: new => NULL() |
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357 | !!---------------------------------------------------------------------- |
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358 | ! |
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359 | new => NULL() |
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360 | CALL create_iceberg( new, bergvals, ptvals ) |
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361 | CALL insert_berg_into_list( new ) |
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362 | new => NULL() ! Clear new |
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363 | ! |
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364 | END SUBROUTINE add_new_berg_to_list |
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365 | |
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366 | !!------------------------------------------------------------------------- |
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367 | |
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368 | SUBROUTINE create_iceberg(berg, bergvals, ptvals ) |
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369 | ! Arguments |
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370 | TYPE(iceberg), INTENT(in) :: bergvals |
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371 | TYPE(point) , INTENT(in) :: ptvals |
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372 | TYPE(iceberg), POINTER :: berg |
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373 | ! local variables |
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374 | TYPE(point) , POINTER :: pt |
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375 | INTEGER :: istat |
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376 | |
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377 | IF ( ASSOCIATED(berg) ) then |
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378 | CALL ctl_stop( 'icebergs, create_iceberg: berg already associated' ) |
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379 | ENDIF |
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380 | ALLOCATE(berg, STAT=istat) |
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381 | IF( istat /= 0 ) CALL ctl_stop( 'failed to allocate iceberg' ) |
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382 | berg%number(:) = bergvals%number(:) |
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383 | berg%mass_scaling = bergvals%mass_scaling |
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384 | berg%prev => NULL() |
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385 | berg%next => NULL() |
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386 | |
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387 | ALLOCATE(pt, STAT=istat) |
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388 | IF( istat /= 0 ) CALL ctl_stop( 'failed to allocate first iceberg point' ) |
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389 | pt = ptvals |
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390 | berg%current_point => pt |
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391 | |
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392 | END SUBROUTINE create_iceberg |
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393 | |
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394 | !!------------------------------------------------------------------------- |
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395 | |
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396 | SUBROUTINE insert_berg_into_list( newberg ) |
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397 | !!---------------------------------------------------------------------- |
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398 | !! *** ROUTINE insert_berg_into_list *** |
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399 | !! |
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400 | !! ** Purpose : add a new berg to the iceberg list |
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401 | !! |
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402 | !! ** method : - ? |
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403 | !!---------------------------------------------------------------------- |
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404 | TYPE(iceberg), POINTER :: newberg |
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405 | ! |
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406 | TYPE(iceberg), POINTER :: this, prev, last |
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407 | !!---------------------------------------------------------------------- |
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408 | |
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409 | IF( ASSOCIATED( first_berg ) ) THEN |
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410 | ! last = last_berg() |
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411 | last=>first_berg |
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412 | DO WHILE (ASSOCIATED(last%next)) |
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413 | last=>last%next |
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414 | ENDDO |
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415 | newberg%prev => last |
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416 | last%next => newberg |
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417 | last => newberg |
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418 | ELSE ! list is empty so create it |
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419 | first_berg => newberg |
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420 | ENDIF |
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421 | ! |
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422 | END SUBROUTINE insert_berg_into_list |
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423 | |
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424 | !!------------------------------------------------------------------------- |
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425 | |
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426 | REAL(wp) FUNCTION yearday(imon, iday, ihr, imin, isec) |
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427 | ! sga - improved but still only applies to 365 day year, need to do this properly |
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428 | ! Arguments |
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429 | INTEGER, intent(in) :: imon, iday, ihr, imin, isec |
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430 | ! Local variables |
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431 | INTEGER :: i |
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432 | INTEGER, DIMENSION(12) :: months = (/ 0,31,28,31,30,31,30,31,31,30,31,30 /) |
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433 | |
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434 | yearday = FLOAT( SUM( months(1:imon) ) ) |
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435 | yearday = yearday + FLOAT(iday-1) + (FLOAT(ihr) + (FLOAT(imin) + FLOAT(isec)/60.)/60.)/24. |
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436 | |
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437 | END FUNCTION yearday |
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438 | |
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439 | !!------------------------------------------------------------------------- |
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440 | |
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441 | SUBROUTINE delete_iceberg_from_list( first, berg ) |
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442 | ! Arguments |
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443 | TYPE(iceberg), POINTER :: first, berg |
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444 | |
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445 | ! Connect neighbors to each other |
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446 | IF ( ASSOCIATED(berg%prev) ) THEN |
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447 | berg%prev%next => berg%next |
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448 | ELSE |
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449 | first => berg%next |
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450 | ENDIF |
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451 | IF (ASSOCIATED(berg%next)) berg%next%prev => berg%prev |
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452 | |
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453 | ! Bye-bye berg |
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454 | CALL destroy_iceberg(berg) |
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455 | |
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456 | END SUBROUTINE delete_iceberg_from_list |
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457 | |
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458 | !!------------------------------------------------------------------------- |
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459 | |
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460 | SUBROUTINE destroy_iceberg(berg) |
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461 | ! Arguments |
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462 | TYPE(iceberg), POINTER :: berg |
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463 | |
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464 | ! Remove any points |
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465 | IF( ASSOCIATED( berg%current_point ) ) DEALLOCATE( berg%current_point ) |
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466 | |
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467 | ! Bye-bye berg |
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468 | DEALLOCATE(berg) |
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469 | |
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470 | END SUBROUTINE destroy_iceberg |
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471 | |
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472 | !!------------------------------------------------------------------------- |
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473 | |
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474 | SUBROUTINE track_berg( num, label, kt ) |
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475 | ! Arguments |
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476 | INTEGER, DIMENSION(nkounts) :: num ! iceberg number |
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477 | CHARACTER(len=*) :: label |
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478 | INTEGER :: kt ! timestep number |
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479 | ! Local variables |
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480 | TYPE(iceberg), POINTER :: this |
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481 | LOGICAL :: match |
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482 | INTEGER :: k |
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483 | |
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484 | this => first_berg |
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485 | DO WHILE( ASSOCIATED(this) ) |
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486 | match = .TRUE. |
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487 | DO k=1,nkounts |
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488 | IF( this%number(k) /= num(k) ) match = .FALSE. |
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489 | END DO |
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490 | IF( match ) CALL print_berg(this, kt) |
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491 | this => this%next |
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492 | ENDDO |
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493 | |
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494 | END SUBROUTINE track_berg |
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495 | |
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496 | !!------------------------------------------------------------------------- |
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497 | |
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498 | SUBROUTINE print_berg( berg, kt ) |
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499 | ! Arguments |
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500 | TYPE(iceberg), POINTER :: berg |
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501 | TYPE(point) , POINTER :: pt |
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502 | INTEGER :: kt ! timestep number |
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503 | |
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504 | pt => berg%current_point |
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505 | WRITE(numicb, 9200) kt, berg%number(1), & |
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506 | pt%xi, pt%yj, pt%lon, pt%lat, pt%uvel, pt%vvel, & |
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507 | pt%uo, pt%vo, pt%ua, pt%va, pt%ui, pt%vi |
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508 | CALL flush( numicb ) |
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509 | 9200 FORMAT(5x,i5,2x,i10,6(2x,2f10.4)) |
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510 | |
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511 | END SUBROUTINE print_berg |
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512 | |
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513 | !!------------------------------------------------------------------------- |
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514 | |
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515 | SUBROUTINE print_bergs( label, kt ) |
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516 | ! Arguments |
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517 | CHARACTER(len=*) :: label |
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518 | INTEGER :: kt ! timestep number |
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519 | ! Local variables |
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520 | INTEGER :: nbergs, nnbergs |
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521 | TYPE(iceberg), POINTER :: this |
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522 | |
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523 | this => first_berg |
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524 | IF( ASSOCIATED(this) ) THEN |
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525 | WRITE(numicb,'(a," pe=(",i3,")")' ) label, narea |
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526 | WRITE(numicb,'(a8,4x,a6,12x,a5,15x,a7,19x,a3,17x,a5,17x,a5,17x,a5)' ) & |
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527 | 'timestep', 'number', 'xi,yj','lon,lat','u,v','uo,vo','ua,va','ui,vi' |
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528 | ENDIF |
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529 | DO WHILE( ASSOCIATED(this) ) |
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530 | CALL print_berg(this, kt) |
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531 | this => this%next |
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532 | ENDDO |
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533 | nbergs = count_bergs() |
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534 | nnbergs = nbergs |
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535 | IF( lk_mpp ) CALL mpp_sum(nnbergs) |
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536 | IF ( nbergs .GT. 0 ) WRITE(numicb,'(a," there are",i5," bergs out of",i6," on PE ",i4)') & |
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537 | label, nbergs, nnbergs, narea |
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538 | |
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539 | END SUBROUTINE print_bergs |
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540 | |
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541 | !!------------------------------------------------------------------------- |
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542 | |
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543 | SUBROUTINE increment_kounter() |
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544 | ! Small routine for coping with very large integer values labelling icebergs |
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545 | ! kount_bergs is a array of integers |
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546 | ! the first member is incremented in steps of jpnij starting from narea |
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547 | ! this means each iceberg is labelled with a unique number |
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548 | ! when this gets to the maximum allowed integer the second and subsequent members are |
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549 | ! used to count how many times the member before cycles |
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550 | |
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551 | ! Local variables |
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552 | INTEGER :: i, ibig |
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553 | |
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554 | ibig = HUGE(kount_bergs(1)) |
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555 | IF( ibig-jpnij < kount_bergs(1) ) THEN |
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556 | kount_bergs(1) = narea |
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557 | DO i = 2,nkounts |
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558 | IF( kount_bergs(i) == ibig ) THEN |
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559 | kount_bergs(i) = 0 |
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560 | IF( i == nkounts ) CALL ctl_stop('Sorry, run out of iceberg number space') |
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561 | ELSE |
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562 | kount_bergs(i) = kount_bergs(i) + 1 |
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563 | EXIT |
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564 | ENDIF |
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565 | END DO |
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566 | ELSE |
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567 | kount_bergs(1) = kount_bergs(1) + jpnij |
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568 | ENDIF |
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569 | |
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570 | END SUBROUTINE increment_kounter |
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571 | |
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572 | !!------------------------------------------------------------------------- |
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573 | |
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574 | INTEGER function count_bergs() |
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575 | ! Local variables |
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576 | TYPE(iceberg), POINTER :: this |
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577 | |
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578 | count_bergs = 0 |
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579 | this => first_berg |
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580 | DO WHILE( ASSOCIATED(this) ) |
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581 | count_bergs = count_bergs+1 |
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582 | this => this%next |
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583 | ENDDO |
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584 | |
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585 | END FUNCTION count_bergs |
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586 | |
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587 | !!------------------------------------------------------------------------- |
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588 | |
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589 | REAL(wp) FUNCTION sum_mass( first, justbits, justbergs ) |
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590 | !!---------------------------------------------------------------------- |
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591 | !! *** FUNCTION sum_mass *** |
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592 | !! |
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593 | !! ** Purpose : compute the mass all iceberg, all bergies or all bergs. |
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594 | !!---------------------------------------------------------------------- |
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595 | TYPE(iceberg) , POINTER :: first |
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596 | TYPE(point) , POINTER :: pt |
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597 | LOGICAL, INTENT(in), OPTIONAL :: justbits, justbergs |
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598 | ! |
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599 | TYPE(iceberg), POINTER :: this |
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600 | !!---------------------------------------------------------------------- |
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601 | sum_mass = 0._wp |
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602 | this => first |
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603 | ! |
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604 | IF( PRESENT( justbergs ) ) THEN |
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605 | DO WHILE( ASSOCIATED( this ) ) |
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606 | pt => this%current_point |
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607 | sum_mass = sum_mass + pt%mass * this%mass_scaling |
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608 | this => this%next |
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609 | END DO |
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610 | ELSEIF( PRESENT(justbits) ) THEN |
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611 | DO WHILE( ASSOCIATED( this ) ) |
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612 | pt => this%current_point |
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613 | sum_mass = sum_mass + pt%mass_of_bits * this%mass_scaling |
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614 | this => this%next |
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615 | END DO |
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616 | ELSE |
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617 | DO WHILE( ASSOCIATED( this ) ) |
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618 | pt => this%current_point |
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619 | sum_mass = sum_mass + ( pt%mass + pt%mass_of_bits ) * this%mass_scaling |
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620 | this => this%next |
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621 | END DO |
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622 | ENDIF |
---|
623 | ! |
---|
624 | END FUNCTION sum_mass |
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625 | |
---|
626 | !!------------------------------------------------------------------------- |
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627 | |
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628 | REAL(wp) FUNCTION sum_heat( first, justbits, justbergs ) |
---|
629 | !!---------------------------------------------------------------------- |
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630 | !! *** FUNCTION sum_heat *** |
---|
631 | !! |
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632 | !! ** Purpose : compute the heat in all iceberg, all bergies or all bergs. |
---|
633 | !!---------------------------------------------------------------------- |
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634 | TYPE(iceberg) , POINTER :: first |
---|
635 | LOGICAL, INTENT(in), OPTIONAL :: justbits, justbergs |
---|
636 | ! |
---|
637 | TYPE(iceberg) , POINTER :: this |
---|
638 | TYPE(point) , POINTER :: pt |
---|
639 | !!---------------------------------------------------------------------- |
---|
640 | sum_heat = 0._wp |
---|
641 | this => first |
---|
642 | ! |
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643 | IF( PRESENT( justbergs ) ) THEN |
---|
644 | DO WHILE( ASSOCIATED( this ) ) |
---|
645 | pt => this%current_point |
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646 | sum_heat = sum_heat + pt%mass * this%mass_scaling * pt%heat_density |
---|
647 | this => this%next |
---|
648 | END DO |
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649 | ELSEIF( PRESENT(justbits) ) THEN |
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650 | DO WHILE( ASSOCIATED( this ) ) |
---|
651 | pt => this%current_point |
---|
652 | sum_heat = sum_heat + pt%mass_of_bits * this%mass_scaling * pt%heat_density |
---|
653 | this => this%next |
---|
654 | END DO |
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655 | ELSE |
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656 | DO WHILE( ASSOCIATED( this ) ) |
---|
657 | pt => this%current_point |
---|
658 | sum_heat = sum_heat + ( pt%mass + pt%mass_of_bits ) * this%mass_scaling * pt%heat_density |
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659 | this => this%next |
---|
660 | END DO |
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661 | ENDIF |
---|
662 | ! |
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663 | END FUNCTION sum_heat |
---|
664 | |
---|
665 | !!------------------------------------------------------------------------- |
---|
666 | |
---|
667 | END MODULE icbutl |
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