1 | MODULE icbutl |
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2 | !!====================================================================== |
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3 | !! *** MODULE icbutl *** |
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4 | !! Icebergs: various iceberg utility routines |
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5 | !!====================================================================== |
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6 | !! History : 3.3.1 ! 2010-01 (Martin&Adcroft) Original code |
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7 | !! - ! 2011-03 (Madec) Part conversion to NEMO form |
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8 | !! - ! Removal of mapping from another grid |
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9 | !! - ! 2011-04 (Alderson) Split into separate modules |
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10 | !!---------------------------------------------------------------------- |
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11 | !!---------------------------------------------------------------------- |
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12 | !! icb_utl_interp : |
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13 | !! icb_utl_bilin : |
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14 | !! icb_utl_bilin_e : |
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15 | !!---------------------------------------------------------------------- |
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16 | USE par_oce ! ocean parameters |
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17 | USE dom_oce ! ocean domain |
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18 | USE in_out_manager ! IO parameters |
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19 | USE lbclnk ! lateral boundary condition |
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20 | USE lib_mpp ! MPI code and lk_mpp in particular |
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21 | USE icb_oce ! define iceberg arrays |
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22 | USE sbc_oce ! ocean surface boundary conditions |
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23 | #if defined key_lim2 |
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24 | 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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25 | USE ice_2, ONLY: hicif ! LIM-2 ice thickness |
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26 | #elif defined key_lim3 |
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27 | USE ice, ONLY: u_ice, v_ice ! LIM-3 variables (always in C-grid) |
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28 | ! gm LIM3 case the mean ice thickness (i.e. averaged over categories) |
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29 | ! gm has to be computed somewhere in the ice and accessed here |
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30 | #endif |
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31 | |
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32 | IMPLICIT NONE |
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33 | PRIVATE |
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34 | |
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35 | PUBLIC icb_utl_copy ! routine called in icbstp module |
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36 | PUBLIC icb_utl_interp ! routine called in icbdyn, icbthm modules |
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37 | PUBLIC icb_utl_bilin ! routine called in icbini, icbdyn modules |
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38 | PUBLIC icb_utl_bilin_x ! routine called in icbdyn module |
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39 | PUBLIC icb_utl_add ! routine called in icbini.F90, icbclv, icblbc and icbrst modules |
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40 | PUBLIC icb_utl_delete ! routine called in icblbc, icbthm modules |
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41 | PUBLIC icb_utl_destroy ! routine called in icbstp module |
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42 | PUBLIC icb_utl_track ! routine not currently used, retain just in case |
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43 | PUBLIC icb_utl_print_berg ! routine called in icbthm module |
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44 | PUBLIC icb_utl_print ! routine called in icbini, icbstp module |
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45 | PUBLIC icb_utl_count ! routine called in icbdia, icbini, icblbc, icbrst modules |
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46 | PUBLIC icb_utl_incr ! routine called in icbini, icbclv modules |
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47 | PUBLIC icb_utl_yearday ! routine called in icbclv, icbstp module |
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48 | PUBLIC icb_utl_mass ! routine called in icbdia module |
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49 | PUBLIC icb_utl_heat ! routine called in icbdia module |
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50 | |
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51 | !!---------------------------------------------------------------------- |
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52 | !! NEMO/OPA 3.3 , NEMO Consortium (2011) |
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53 | !! $Id$ |
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54 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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55 | !!------------------------------------------------------------------------- |
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56 | |
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57 | CONTAINS |
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58 | |
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59 | SUBROUTINE icb_utl_copy() |
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60 | !!---------------------------------------------------------------------- |
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61 | !! *** ROUTINE icb_utl_copy *** |
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62 | !! |
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63 | !! ** Purpose : iceberg initialization. |
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64 | !! |
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65 | !! ** Method : - blah blah |
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66 | !!---------------------------------------------------------------------- |
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67 | |
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68 | ! copy nemo forcing arrays into iceberg versions with extra halo |
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69 | ! only necessary for variables not on T points |
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70 | ! and ssh which is used to calculate gradients |
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71 | |
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72 | uo_e(:,:) = 0._wp ; uo_e(1:jpi, 1:jpj) = ssu_m(:,:) * umask(:,:,1) |
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73 | vo_e(:,:) = 0._wp ; vo_e(1:jpi, 1:jpj) = ssv_m(:,:) * vmask(:,:,1) |
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74 | ff_e(:,:) = 0._wp ; ff_e(1:jpi, 1:jpj) = ff_f (:,:) |
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75 | tt_e(:,:) = 0._wp ; tt_e(1:jpi, 1:jpj) = sst_m(:,:) |
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76 | fr_e(:,:) = 0._wp ; fr_e(1:jpi, 1:jpj) = fr_i (:,:) |
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77 | ua_e(:,:) = 0._wp ; ua_e(1:jpi, 1:jpj) = utau (:,:) * umask(:,:,1) ! maybe mask useless because mask applied in sbcblk |
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78 | va_e(:,:) = 0._wp ; va_e(1:jpi, 1:jpj) = vtau (:,:) * vmask(:,:,1) ! maybe mask useless because mask applied in sbcblk |
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79 | |
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80 | CALL lbc_lnk_icb( uo_e, 'U', -1._wp, 1, 1 ) |
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81 | CALL lbc_lnk_icb( vo_e, 'V', -1._wp, 1, 1 ) |
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82 | CALL lbc_lnk_icb( ff_e, 'F', +1._wp, 1, 1 ) |
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83 | CALL lbc_lnk_icb( ua_e, 'U', -1._wp, 1, 1 ) |
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84 | CALL lbc_lnk_icb( va_e, 'V', -1._wp, 1, 1 ) |
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85 | CALL lbc_lnk_icb( fr_e, 'T', +1._wp, 1, 1 ) |
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86 | CALL lbc_lnk_icb( tt_e, 'T', +1._wp, 1, 1 ) |
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87 | #if defined key_lim2 |
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88 | hicth(:,:) = 0._wp ; hicth(1:jpi,1:jpj) = hicif(:,:) |
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89 | CALL lbc_lnk_icb(hicth, 'T', +1._wp, 1, 1 ) |
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90 | #endif |
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91 | |
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92 | #if defined key_lim2 || defined key_lim3 |
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93 | ui_e(:,:) = 0._wp ; ui_e(1:jpi, 1:jpj) = u_ice(:,:) |
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94 | vi_e(:,:) = 0._wp ; vi_e(1:jpi, 1:jpj) = v_ice(:,:) |
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95 | |
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96 | CALL lbc_lnk_icb( ui_e, 'U', -1._wp, 1, 1 ) |
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97 | CALL lbc_lnk_icb( vi_e, 'V', -1._wp, 1, 1 ) |
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98 | #endif |
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99 | |
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100 | !! special for ssh which is used to calculate slope |
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101 | !! so fudge some numbers all the way around the boundary |
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102 | |
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103 | ssh_e(:,:) = 0._wp ; ssh_e(1:jpi, 1:jpj) = ssh_m(:,:) * tmask(:,:,1) |
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104 | ssh_e(0 , :) = ssh_e(1 , :) |
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105 | ssh_e(jpi+1, :) = ssh_e(jpi, :) |
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106 | ssh_e(: , 0) = ssh_e(: , 1) |
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107 | ssh_e(: ,jpj+1) = ssh_e(: ,jpj) |
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108 | ssh_e(0,0) = ssh_e(1,1) |
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109 | ssh_e(jpi+1,0) = ssh_e(jpi,1) |
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110 | ssh_e(0,jpj+1) = ssh_e(1,jpj) |
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111 | ssh_e(jpi+1,jpj+1) = ssh_e(jpi,jpj) |
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112 | CALL lbc_lnk_icb( ssh_e, 'T', +1._wp, 1, 1 ) |
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113 | ! |
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114 | END SUBROUTINE icb_utl_copy |
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115 | |
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116 | |
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117 | SUBROUTINE icb_utl_interp( pi, pe1, puo, pui, pua, pssh_i, & |
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118 | & pj, pe2, pvo, pvi, pva, pssh_j, & |
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119 | & psst, pcn, phi, pff ) |
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120 | !!---------------------------------------------------------------------- |
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121 | !! *** ROUTINE icb_utl_interp *** |
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122 | !! |
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123 | !! ** Purpose : interpolation |
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124 | !! |
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125 | !! ** Method : - interpolate from various ocean arrays onto iceberg position |
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126 | !! |
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127 | !! !!gm CAUTION here I do not care of the slip/no-slip conditions |
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128 | !! this can be done later (not that easy to do...) |
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129 | !! right now, U is 0 in land so that the coastal value of velocity parallel to the coast |
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130 | !! is half the off shore value, wile the normal-to-the-coast value is zero. |
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131 | !! This is OK as a starting point. |
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132 | !! |
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133 | !!---------------------------------------------------------------------- |
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134 | REAL(wp), INTENT(in ) :: pi , pj ! position in (i,j) referential |
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135 | REAL(wp), INTENT( out) :: pe1, pe2 ! i- and j scale factors |
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136 | REAL(wp), INTENT( out) :: puo, pvo, pui, pvi, pua, pva ! ocean, ice and wind speeds |
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137 | REAL(wp), INTENT( out) :: pssh_i, pssh_j ! ssh i- & j-gradients |
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138 | REAL(wp), INTENT( out) :: psst, pcn, phi, pff ! SST, ice concentration, ice thickness, Coriolis |
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139 | ! |
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140 | REAL(wp) :: zcd, zmod ! local scalars |
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141 | !!---------------------------------------------------------------------- |
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142 | |
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143 | pe1 = icb_utl_bilin_e( e1t, e1u, e1v, e1f, pi, pj ) ! scale factors |
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144 | pe2 = icb_utl_bilin_e( e2t, e2u, e2v, e2f, pi, pj ) |
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145 | ! |
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146 | puo = icb_utl_bilin_h( uo_e, pi, pj, 'U' ) ! ocean velocities |
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147 | pvo = icb_utl_bilin_h( vo_e, pi, pj, 'V' ) |
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148 | psst = icb_utl_bilin_h( tt_e, pi, pj, 'T' ) ! SST |
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149 | pcn = icb_utl_bilin_h( fr_e , pi, pj, 'T' ) ! ice concentration |
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150 | pff = icb_utl_bilin_h( ff_e , pi, pj, 'F' ) ! Coriolis parameter |
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151 | ! |
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152 | pua = icb_utl_bilin_h( ua_e , pi, pj, 'U' ) ! 10m wind |
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153 | pva = icb_utl_bilin_h( va_e , pi, pj, 'V' ) ! here (ua,va) are stress => rough conversion from stress to speed |
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154 | zcd = 1.22_wp * 1.5e-3_wp ! air density * drag coefficient |
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155 | zmod = 1._wp / MAX( 1.e-20, SQRT( zcd * SQRT( pua*pua + pva*pva) ) ) |
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156 | pua = pua * zmod ! note: stress module=0 necessarly implies ua=va=0 |
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157 | pva = pva * zmod |
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158 | |
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159 | #if defined key_lim2 || defined key_lim3 |
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160 | pui = icb_utl_bilin_h( ui_e, pi, pj, 'U' ) ! sea-ice velocities |
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161 | pvi = icb_utl_bilin_h( vi_e, pi, pj, 'V' ) |
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162 | # if defined key_lim3 |
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163 | phi = 0._wp ! LIM-3 case (to do) |
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164 | # else |
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165 | phi = icb_utl_bilin_h(hicth, pi, pj, 'T' ) ! ice thickness |
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166 | # endif |
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167 | #else |
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168 | pui = 0._wp |
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169 | pvi = 0._wp |
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170 | phi = 0._wp |
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171 | #endif |
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172 | |
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173 | ! Estimate SSH gradient in i- and j-direction (centred evaluation) |
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174 | pssh_i = ( icb_utl_bilin_h( ssh_e, pi+0.1_wp, pj, 'T' ) - & |
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175 | & icb_utl_bilin_h( ssh_e, pi-0.1_wp, pj, 'T' ) ) / ( 0.2_wp * pe1 ) |
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176 | pssh_j = ( icb_utl_bilin_h( ssh_e, pi, pj+0.1_wp, 'T' ) - & |
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177 | & icb_utl_bilin_h( ssh_e, pi, pj-0.1_wp, 'T' ) ) / ( 0.2_wp * pe2 ) |
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178 | ! |
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179 | END SUBROUTINE icb_utl_interp |
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180 | |
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181 | |
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182 | REAL(wp) FUNCTION icb_utl_bilin_h( pfld, pi, pj, cd_type ) |
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183 | !!---------------------------------------------------------------------- |
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184 | !! *** FUNCTION icb_utl_bilin *** |
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185 | !! |
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186 | !! ** Purpose : bilinear interpolation at berg location depending on the grid-point type |
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187 | !! this version deals with extra halo points |
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188 | !! |
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189 | !! !!gm CAUTION an optional argument should be added to handle |
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190 | !! the slip/no-slip conditions ==>>> to be done later |
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191 | !! |
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192 | !!---------------------------------------------------------------------- |
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193 | REAL(wp), DIMENSION(0:jpi+1,0:jpj+1), INTENT(in) :: pfld ! field to be interpolated |
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194 | REAL(wp) , INTENT(in) :: pi, pj ! targeted coordinates in (i,j) referential |
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195 | CHARACTER(len=1) , INTENT(in) :: cd_type ! type of pfld array grid-points: = T , U , V or F points |
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196 | ! |
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197 | INTEGER :: ii, ij ! local integer |
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198 | REAL(wp) :: zi, zj ! local real |
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199 | !!---------------------------------------------------------------------- |
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200 | ! |
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201 | SELECT CASE ( cd_type ) |
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202 | CASE ( 'T' ) |
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203 | ! note that here there is no +0.5 added |
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204 | ! since we're looking for four T points containing quadrant we're in of |
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205 | ! current T cell |
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206 | ii = MAX(1, INT( pi )) |
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207 | ij = MAX(1, INT( pj )) ! T-point |
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208 | zi = pi - REAL(ii,wp) |
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209 | zj = pj - REAL(ij,wp) |
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210 | CASE ( 'U' ) |
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211 | ii = MAX(1, INT( pi-0.5 )) |
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212 | ij = MAX(1, INT( pj )) ! U-point |
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213 | zi = pi - 0.5 - REAL(ii,wp) |
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214 | zj = pj - REAL(ij,wp) |
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215 | CASE ( 'V' ) |
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216 | ii = MAX(1, INT( pi )) |
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217 | ij = MAX(1, INT( pj-0.5 )) ! V-point |
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218 | zi = pi - REAL(ii,wp) |
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219 | zj = pj - 0.5 - REAL(ij,wp) |
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220 | CASE ( 'F' ) |
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221 | ii = MAX(1, INT( pi-0.5 )) |
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222 | ij = MAX(1, INT( pj-0.5 )) ! F-point |
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223 | zi = pi - 0.5 - REAL(ii,wp) |
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224 | zj = pj - 0.5 - REAL(ij,wp) |
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225 | END SELECT |
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226 | ! |
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227 | ! find position in this processor. Prevent near edge problems (see #1389) |
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228 | |
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229 | if (ii.lt.mig(1)) then |
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230 | ii = 1 |
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231 | else if (ii.gt.mig(jpi)) then |
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232 | ii = jpi |
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233 | else |
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234 | ii = mi1( ii ) |
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235 | end if |
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236 | |
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237 | if (ij.lt.mjg(1)) then |
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238 | ij = 1 |
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239 | else if (ij.gt.mjg(jpj)) then |
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240 | ij = jpj |
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241 | else |
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242 | ij = mj1( ij ) |
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243 | end if |
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244 | |
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245 | if (ij.eq.jpj) ij=ij-1 |
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246 | if (ii.eq.jpi) ii=ii-1 |
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247 | |
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248 | ! |
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249 | icb_utl_bilin_h = ( pfld(ii,ij ) * (1.-zi) + pfld(ii+1,ij ) * zi ) * (1.-zj) & |
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250 | & + ( pfld(ii,ij+1) * (1.-zi) + pfld(ii+1,ij+1) * zi ) * zj |
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251 | ! |
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252 | END FUNCTION icb_utl_bilin_h |
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253 | |
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254 | |
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255 | REAL(wp) FUNCTION icb_utl_bilin( pfld, pi, pj, cd_type ) |
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256 | !!---------------------------------------------------------------------- |
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257 | !! *** FUNCTION icb_utl_bilin *** |
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258 | !! |
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259 | !! ** Purpose : bilinear interpolation at berg location depending on the grid-point type |
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260 | !! |
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261 | !! !!gm CAUTION an optional argument should be added to handle |
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262 | !! the slip/no-slip conditions ==>>> to be done later |
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263 | !! |
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264 | !!---------------------------------------------------------------------- |
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265 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in) :: pfld ! field to be interpolated |
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266 | REAL(wp) , INTENT(in) :: pi, pj ! targeted coordinates in (i,j) referential |
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267 | CHARACTER(len=1) , INTENT(in) :: cd_type ! type of pfld array grid-points: = T , U , V or F points |
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268 | ! |
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269 | INTEGER :: ii, ij ! local integer |
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270 | REAL(wp) :: zi, zj ! local real |
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271 | !!---------------------------------------------------------------------- |
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272 | ! |
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273 | SELECT CASE ( cd_type ) |
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274 | CASE ( 'T' ) |
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275 | ! note that here there is no +0.5 added |
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276 | ! since we're looking for four T points containing quadrant we're in of |
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277 | ! current T cell |
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278 | ii = MAX(1, INT( pi )) |
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279 | ij = MAX(1, INT( pj )) ! T-point |
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280 | zi = pi - REAL(ii,wp) |
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281 | zj = pj - REAL(ij,wp) |
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282 | CASE ( 'U' ) |
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283 | ii = MAX(1, INT( pi-0.5 )) |
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284 | ij = MAX(1, INT( pj )) ! U-point |
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285 | zi = pi - 0.5 - REAL(ii,wp) |
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286 | zj = pj - REAL(ij,wp) |
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287 | CASE ( 'V' ) |
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288 | ii = MAX(1, INT( pi )) |
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289 | ij = MAX(1, INT( pj-0.5 )) ! V-point |
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290 | zi = pi - REAL(ii,wp) |
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291 | zj = pj - 0.5 - REAL(ij,wp) |
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292 | CASE ( 'F' ) |
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293 | ii = MAX(1, INT( pi-0.5 )) |
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294 | ij = MAX(1, INT( pj-0.5 )) ! F-point |
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295 | zi = pi - 0.5 - REAL(ii,wp) |
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296 | zj = pj - 0.5 - REAL(ij,wp) |
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297 | END SELECT |
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298 | ! |
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299 | ! find position in this processor. Prevent near edge problems (see #1389) |
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300 | |
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301 | if (ii.lt.mig(1)) then |
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302 | ii = 1 |
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303 | else if (ii.gt.mig(jpi)) then |
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304 | ii = jpi |
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305 | else |
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306 | ii = mi1( ii ) |
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307 | end if |
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308 | |
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309 | if (ij.lt.mjg(1)) then |
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310 | ij = 1 |
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311 | else if (ij.gt.mjg(jpj)) then |
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312 | ij = jpj |
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313 | else |
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314 | ij = mj1( ij ) |
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315 | end if |
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316 | |
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317 | if (ij.eq.jpj) ij=ij-1 |
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318 | if (ii.eq.jpi) ii=ii-1 |
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319 | |
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320 | icb_utl_bilin = ( pfld(ii,ij ) * (1.-zi) + pfld(ii+1,ij ) * zi ) * (1.-zj) & |
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321 | & + ( pfld(ii,ij+1) * (1.-zi) + pfld(ii+1,ij+1) * zi ) * zj |
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322 | ! |
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323 | END FUNCTION icb_utl_bilin |
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324 | |
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325 | |
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326 | REAL(wp) FUNCTION icb_utl_bilin_x( pfld, pi, pj ) |
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327 | !!---------------------------------------------------------------------- |
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328 | !! *** FUNCTION icb_utl_bilin_x *** |
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329 | !! |
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330 | !! ** Purpose : bilinear interpolation at berg location depending on the grid-point type |
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331 | !! Special case for interpolating longitude |
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332 | !! |
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333 | !! !!gm CAUTION an optional argument should be added to handle |
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334 | !! the slip/no-slip conditions ==>>> to be done later |
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335 | !! |
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336 | !!---------------------------------------------------------------------- |
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337 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in) :: pfld ! field to be interpolated |
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338 | REAL(wp) , INTENT(in) :: pi, pj ! targeted coordinates in (i,j) referential |
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339 | ! |
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340 | INTEGER :: ii, ij ! local integer |
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341 | REAL(wp) :: zi, zj ! local real |
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342 | REAL(wp) :: zret ! local real |
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343 | REAL(wp), DIMENSION(4) :: z4 |
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344 | !!---------------------------------------------------------------------- |
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345 | ! |
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346 | ! note that here there is no +0.5 added |
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347 | ! since we're looking for four T points containing quadrant we're in of |
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348 | ! current T cell |
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349 | ii = MAX(1, INT( pi )) |
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350 | ij = MAX(1, INT( pj )) ! T-point |
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351 | zi = pi - REAL(ii,wp) |
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352 | zj = pj - REAL(ij,wp) |
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353 | ! |
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354 | ! find position in this processor. Prevent near edge problems (see #1389) |
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355 | |
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356 | if (ii.lt.mig(1)) then |
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357 | ii = 1 |
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358 | else if (ii.gt.mig(jpi)) then |
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359 | ii = jpi |
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360 | else |
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361 | ii = mi1( ii ) |
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362 | end if |
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363 | |
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364 | if (ij.lt.mjg(1)) then |
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365 | ij = 1 |
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366 | else if (ij.gt.mjg(jpj)) then |
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367 | ij = jpj |
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368 | else |
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369 | ij = mj1( ij ) |
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370 | end if |
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371 | |
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372 | if (ij.eq.jpj) ij=ij-1 |
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373 | if (ii.eq.jpi) ii=ii-1 |
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374 | |
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375 | z4(1) = pfld(ii ,ij ) |
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376 | z4(2) = pfld(ii+1,ij ) |
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377 | z4(3) = pfld(ii ,ij+1) |
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378 | z4(4) = pfld(ii+1,ij+1) |
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379 | IF( MAXVAL(z4) - MINVAL(z4) > 90._wp ) THEN |
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380 | WHERE( z4 < 0._wp ) z4 = z4 + 360._wp |
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381 | ENDIF |
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382 | ! |
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383 | zret = (z4(1) * (1.-zi) + z4(2) * zi) * (1.-zj) + (z4(3) * (1.-zi) + z4(4) * zi) * zj |
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384 | IF( zret > 180._wp ) zret = zret - 360._wp |
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385 | icb_utl_bilin_x = zret |
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386 | ! |
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387 | END FUNCTION icb_utl_bilin_x |
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388 | |
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389 | |
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390 | REAL(wp) FUNCTION icb_utl_bilin_e( pet, peu, pev, pef, pi, pj ) |
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391 | !!---------------------------------------------------------------------- |
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392 | !! *** FUNCTION dom_init *** |
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393 | !! |
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394 | !! ** Purpose : bilinear interpolation at berg location of horizontal scale factor |
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395 | !! ** Method : interpolation done using the 4 nearest grid points among |
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396 | !! t-, u-, v-, and f-points. |
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397 | !!---------------------------------------------------------------------- |
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398 | REAL(wp), DIMENSION(:,:), INTENT(in) :: pet, peu, pev, pef ! horizontal scale factor to be interpolated at t-,u-,v- & f-pts |
---|
399 | REAL(wp) , INTENT(in) :: pi, pj ! targeted coordinates in (i,j) referential |
---|
400 | ! |
---|
401 | INTEGER :: ii, ij, icase ! local integer |
---|
402 | ! |
---|
403 | ! weights corresponding to corner points of a T cell quadrant |
---|
404 | REAL(wp) :: zi, zj ! local real |
---|
405 | ! |
---|
406 | ! values at corner points of a T cell quadrant |
---|
407 | ! 00 = bottom left, 10 = bottom right, 01 = top left, 11 = top right |
---|
408 | REAL(wp) :: ze00, ze10, ze01, ze11 |
---|
409 | !!---------------------------------------------------------------------- |
---|
410 | ! |
---|
411 | ii = MAX(1, INT( pi )) ; ij = MAX(1, INT( pj )) ! left bottom T-point (i,j) indices |
---|
412 | |
---|
413 | ! fractional box spacing |
---|
414 | ! 0 <= zi < 0.5, 0 <= zj < 0.5 --> NW quadrant of current T cell |
---|
415 | ! 0.5 <= zi < 1 , 0 <= zj < 0.5 --> NE quadrant |
---|
416 | ! 0 <= zi < 0.5, 0.5 <= zj < 1 --> SE quadrant |
---|
417 | ! 0.5 <= zi < 1 , 0.5 <= zj < 1 --> SW quadrant |
---|
418 | |
---|
419 | zi = pi - REAL(ii,wp) !!gm use here mig, mjg arrays |
---|
420 | zj = pj - REAL(ij,wp) |
---|
421 | |
---|
422 | ! find position in this processor. Prevent near edge problems (see #1389) |
---|
423 | |
---|
424 | if (ii.lt.mig(1)) then |
---|
425 | ii = 1 |
---|
426 | else if (ii.gt.mig(jpi)) then |
---|
427 | ii = jpi |
---|
428 | else |
---|
429 | ii = mi1( ii ) |
---|
430 | end if |
---|
431 | |
---|
432 | if (ij.lt.mjg(1)) then |
---|
433 | ij = 1 |
---|
434 | else if (ij.gt.mjg(jpj)) then |
---|
435 | ij = jpj |
---|
436 | else |
---|
437 | ij = mj1( ij ) |
---|
438 | end if |
---|
439 | |
---|
440 | if (ij.eq.jpj) ij=ij-1 |
---|
441 | if (ii.eq.jpi) ii=ii-1 |
---|
442 | |
---|
443 | IF( 0.0_wp <= zi .AND. zi < 0.5_wp ) THEN |
---|
444 | IF( 0.0_wp <= zj .AND. zj < 0.5_wp ) THEN ! NE quadrant |
---|
445 | ! ! i=I i=I+1/2 |
---|
446 | ze01 = pev(ii ,ij ) ; ze11 = pef(ii ,ij ) ! j=J+1/2 V ------- F |
---|
447 | ze00 = pet(ii ,ij ) ; ze10 = peu(ii ,ij ) ! j=J T ------- U |
---|
448 | zi = 2._wp * zi |
---|
449 | zj = 2._wp * zj |
---|
450 | ELSE ! SE quadrant |
---|
451 | ! ! i=I i=I+1/2 |
---|
452 | ze01 = pet(ii ,ij+1) ; ze11 = peu(ii ,ij+1) ! j=J+1 T ------- U |
---|
453 | ze00 = pev(ii ,ij ) ; ze10 = pef(ii ,ij ) ! j=J+1/2 V ------- F |
---|
454 | zi = 2._wp * zi |
---|
455 | zj = 2._wp * (zj-0.5_wp) |
---|
456 | ENDIF |
---|
457 | ELSE |
---|
458 | IF( 0.0_wp <= zj .AND. zj < 0.5_wp ) THEN ! NW quadrant |
---|
459 | ! ! i=I i=I+1/2 |
---|
460 | ze01 = pef(ii ,ij ) ; ze11 = pev(ii+1,ij) ! j=J+1/2 F ------- V |
---|
461 | ze00 = peu(ii ,ij ) ; ze10 = pet(ii+1,ij) ! j=J U ------- T |
---|
462 | zi = 2._wp * (zi-0.5_wp) |
---|
463 | zj = 2._wp * zj |
---|
464 | ELSE ! SW quadrant |
---|
465 | ! ! i=I+1/2 i=I+1 |
---|
466 | ze01 = peu(ii ,ij+1) ; ze11 = pet(ii+1,ij+1) ! j=J+1 U ------- T |
---|
467 | ze00 = pef(ii ,ij ) ; ze10 = pev(ii+1,ij ) ! j=J+1/2 F ------- V |
---|
468 | zi = 2._wp * (zi-0.5_wp) |
---|
469 | zj = 2._wp * (zj-0.5_wp) |
---|
470 | ENDIF |
---|
471 | ENDIF |
---|
472 | ! |
---|
473 | icb_utl_bilin_e = ( ze01 * (1.-zi) + ze11 * zi ) * zj & |
---|
474 | & + ( ze00 * (1.-zi) + ze10 * zi ) * (1.-zj) |
---|
475 | ! |
---|
476 | END FUNCTION icb_utl_bilin_e |
---|
477 | |
---|
478 | |
---|
479 | SUBROUTINE icb_utl_add( bergvals, ptvals ) |
---|
480 | !!---------------------------------------------------------------------- |
---|
481 | !! *** ROUTINE icb_utl_add *** |
---|
482 | !! |
---|
483 | !! ** Purpose : add a new berg to the iceberg list |
---|
484 | !! |
---|
485 | !!---------------------------------------------------------------------- |
---|
486 | TYPE(iceberg), INTENT(in) :: bergvals |
---|
487 | TYPE(point) , INTENT(in) :: ptvals |
---|
488 | ! |
---|
489 | TYPE(iceberg), POINTER :: new => NULL() |
---|
490 | !!---------------------------------------------------------------------- |
---|
491 | ! |
---|
492 | new => NULL() |
---|
493 | CALL icb_utl_create( new, bergvals, ptvals ) |
---|
494 | CALL icb_utl_insert( new ) |
---|
495 | new => NULL() ! Clear new |
---|
496 | ! |
---|
497 | END SUBROUTINE icb_utl_add |
---|
498 | |
---|
499 | |
---|
500 | SUBROUTINE icb_utl_create( berg, bergvals, ptvals ) |
---|
501 | !!---------------------------------------------------------------------- |
---|
502 | !! *** ROUTINE icb_utl_create *** |
---|
503 | !! |
---|
504 | !! ** Purpose : add a new berg to the iceberg list |
---|
505 | !! |
---|
506 | !!---------------------------------------------------------------------- |
---|
507 | TYPE(iceberg), INTENT(in) :: bergvals |
---|
508 | TYPE(point) , INTENT(in) :: ptvals |
---|
509 | TYPE(iceberg), POINTER :: berg |
---|
510 | ! |
---|
511 | TYPE(point) , POINTER :: pt |
---|
512 | INTEGER :: istat |
---|
513 | !!---------------------------------------------------------------------- |
---|
514 | ! |
---|
515 | IF( ASSOCIATED(berg) ) CALL ctl_stop( 'icebergs, icb_utl_create: berg already associated' ) |
---|
516 | ALLOCATE(berg, STAT=istat) |
---|
517 | IF( istat /= 0 ) CALL ctl_stop( 'failed to allocate iceberg' ) |
---|
518 | berg%number(:) = bergvals%number(:) |
---|
519 | berg%mass_scaling = bergvals%mass_scaling |
---|
520 | berg%prev => NULL() |
---|
521 | berg%next => NULL() |
---|
522 | ! |
---|
523 | ALLOCATE(pt, STAT=istat) |
---|
524 | IF( istat /= 0 ) CALL ctl_stop( 'failed to allocate first iceberg point' ) |
---|
525 | pt = ptvals |
---|
526 | berg%current_point => pt |
---|
527 | ! |
---|
528 | END SUBROUTINE icb_utl_create |
---|
529 | |
---|
530 | |
---|
531 | SUBROUTINE icb_utl_insert( newberg ) |
---|
532 | !!---------------------------------------------------------------------- |
---|
533 | !! *** ROUTINE icb_utl_insert *** |
---|
534 | !! |
---|
535 | !! ** Purpose : add a new berg to the iceberg list |
---|
536 | !! |
---|
537 | !!---------------------------------------------------------------------- |
---|
538 | TYPE(iceberg), POINTER :: newberg |
---|
539 | ! |
---|
540 | TYPE(iceberg), POINTER :: this, prev, last |
---|
541 | !!---------------------------------------------------------------------- |
---|
542 | ! |
---|
543 | IF( ASSOCIATED( first_berg ) ) THEN |
---|
544 | last => first_berg |
---|
545 | DO WHILE (ASSOCIATED(last%next)) |
---|
546 | last => last%next |
---|
547 | ENDDO |
---|
548 | newberg%prev => last |
---|
549 | last%next => newberg |
---|
550 | last => newberg |
---|
551 | ELSE ! list is empty so create it |
---|
552 | first_berg => newberg |
---|
553 | ENDIF |
---|
554 | ! |
---|
555 | END SUBROUTINE icb_utl_insert |
---|
556 | |
---|
557 | |
---|
558 | REAL(wp) FUNCTION icb_utl_yearday(kmon, kday, khr, kmin, ksec) |
---|
559 | !!---------------------------------------------------------------------- |
---|
560 | !! *** FUNCTION icb_utl_yearday *** |
---|
561 | !! |
---|
562 | !! ** Purpose : |
---|
563 | !! |
---|
564 | ! sga - improved but still only applies to 365 day year, need to do this properly |
---|
565 | ! |
---|
566 | !!gm all these info are already known in daymod, no??? |
---|
567 | !! |
---|
568 | !!---------------------------------------------------------------------- |
---|
569 | INTEGER, INTENT(in) :: kmon, kday, khr, kmin, ksec |
---|
570 | ! |
---|
571 | INTEGER, DIMENSION(12) :: imonths = (/ 0,31,28,31,30,31,30,31,31,30,31,30 /) |
---|
572 | !!---------------------------------------------------------------------- |
---|
573 | ! |
---|
574 | icb_utl_yearday = REAL( SUM( imonths(1:kmon) ), wp ) |
---|
575 | icb_utl_yearday = icb_utl_yearday + REAL(kday-1,wp) + (REAL(khr,wp) + (REAL(kmin,wp) + REAL(ksec,wp)/60.)/60.)/24. |
---|
576 | ! |
---|
577 | END FUNCTION icb_utl_yearday |
---|
578 | |
---|
579 | !!------------------------------------------------------------------------- |
---|
580 | |
---|
581 | SUBROUTINE icb_utl_delete( first, berg ) |
---|
582 | !!---------------------------------------------------------------------- |
---|
583 | !! *** ROUTINE icb_utl_delete *** |
---|
584 | !! |
---|
585 | !! ** Purpose : |
---|
586 | !! |
---|
587 | !!---------------------------------------------------------------------- |
---|
588 | TYPE(iceberg), POINTER :: first, berg |
---|
589 | !!---------------------------------------------------------------------- |
---|
590 | ! Connect neighbors to each other |
---|
591 | IF ( ASSOCIATED(berg%prev) ) THEN |
---|
592 | berg%prev%next => berg%next |
---|
593 | ELSE |
---|
594 | first => berg%next |
---|
595 | ENDIF |
---|
596 | IF (ASSOCIATED(berg%next)) berg%next%prev => berg%prev |
---|
597 | ! |
---|
598 | CALL icb_utl_destroy(berg) |
---|
599 | ! |
---|
600 | END SUBROUTINE icb_utl_delete |
---|
601 | |
---|
602 | |
---|
603 | SUBROUTINE icb_utl_destroy( berg ) |
---|
604 | !!---------------------------------------------------------------------- |
---|
605 | !! *** ROUTINE icb_utl_destroy *** |
---|
606 | !! |
---|
607 | !! ** Purpose : remove a single iceberg instance |
---|
608 | !! |
---|
609 | !!---------------------------------------------------------------------- |
---|
610 | TYPE(iceberg), POINTER :: berg |
---|
611 | !!---------------------------------------------------------------------- |
---|
612 | ! |
---|
613 | ! Remove any points |
---|
614 | IF( ASSOCIATED( berg%current_point ) ) DEALLOCATE( berg%current_point ) |
---|
615 | ! |
---|
616 | DEALLOCATE(berg) |
---|
617 | ! |
---|
618 | END SUBROUTINE icb_utl_destroy |
---|
619 | |
---|
620 | |
---|
621 | SUBROUTINE icb_utl_track( knum, cd_label, kt ) |
---|
622 | !!---------------------------------------------------------------------- |
---|
623 | !! *** ROUTINE icb_utl_track *** |
---|
624 | !! |
---|
625 | !! ** Purpose : |
---|
626 | !! |
---|
627 | !!---------------------------------------------------------------------- |
---|
628 | INTEGER, DIMENSION(nkounts) :: knum ! iceberg number |
---|
629 | CHARACTER(len=*) :: cd_label ! |
---|
630 | INTEGER :: kt ! timestep number |
---|
631 | ! |
---|
632 | TYPE(iceberg), POINTER :: this |
---|
633 | LOGICAL :: match |
---|
634 | INTEGER :: k |
---|
635 | !!---------------------------------------------------------------------- |
---|
636 | ! |
---|
637 | this => first_berg |
---|
638 | DO WHILE( ASSOCIATED(this) ) |
---|
639 | match = .TRUE. |
---|
640 | DO k = 1, nkounts |
---|
641 | IF( this%number(k) /= knum(k) ) match = .FALSE. |
---|
642 | END DO |
---|
643 | IF( match ) CALL icb_utl_print_berg(this, kt) |
---|
644 | this => this%next |
---|
645 | END DO |
---|
646 | ! |
---|
647 | END SUBROUTINE icb_utl_track |
---|
648 | |
---|
649 | |
---|
650 | SUBROUTINE icb_utl_print_berg( berg, kt ) |
---|
651 | !!---------------------------------------------------------------------- |
---|
652 | !! *** ROUTINE icb_utl_print_berg *** |
---|
653 | !! |
---|
654 | !! ** Purpose : print one |
---|
655 | !! |
---|
656 | !!---------------------------------------------------------------------- |
---|
657 | TYPE(iceberg), POINTER :: berg |
---|
658 | TYPE(point) , POINTER :: pt |
---|
659 | INTEGER :: kt ! timestep number |
---|
660 | !!---------------------------------------------------------------------- |
---|
661 | ! |
---|
662 | pt => berg%current_point |
---|
663 | WRITE(numicb, 9200) kt, berg%number(1), & |
---|
664 | pt%xi, pt%yj, pt%lon, pt%lat, pt%uvel, pt%vvel, & |
---|
665 | pt%uo, pt%vo, pt%ua, pt%va, pt%ui, pt%vi |
---|
666 | CALL flush( numicb ) |
---|
667 | 9200 FORMAT(5x,i5,2x,i10,6(2x,2f10.4)) |
---|
668 | ! |
---|
669 | END SUBROUTINE icb_utl_print_berg |
---|
670 | |
---|
671 | |
---|
672 | SUBROUTINE icb_utl_print( cd_label, kt ) |
---|
673 | !!---------------------------------------------------------------------- |
---|
674 | !! *** ROUTINE icb_utl_print *** |
---|
675 | !! |
---|
676 | !! ** Purpose : print many |
---|
677 | !! |
---|
678 | !!---------------------------------------------------------------------- |
---|
679 | CHARACTER(len=*) :: cd_label |
---|
680 | INTEGER :: kt ! timestep number |
---|
681 | ! |
---|
682 | INTEGER :: ibergs, inbergs |
---|
683 | TYPE(iceberg), POINTER :: this |
---|
684 | !!---------------------------------------------------------------------- |
---|
685 | ! |
---|
686 | this => first_berg |
---|
687 | IF( ASSOCIATED(this) ) THEN |
---|
688 | WRITE(numicb,'(a," pe=(",i3,")")' ) cd_label, narea |
---|
689 | WRITE(numicb,'(a8,4x,a6,12x,a5,15x,a7,19x,a3,17x,a5,17x,a5,17x,a5)' ) & |
---|
690 | & 'timestep', 'number', 'xi,yj','lon,lat','u,v','uo,vo','ua,va','ui,vi' |
---|
691 | ENDIF |
---|
692 | DO WHILE( ASSOCIATED(this) ) |
---|
693 | CALL icb_utl_print_berg(this, kt) |
---|
694 | this => this%next |
---|
695 | END DO |
---|
696 | ibergs = icb_utl_count() |
---|
697 | inbergs = ibergs |
---|
698 | IF( lk_mpp ) CALL mpp_sum(inbergs) |
---|
699 | IF( ibergs > 0 ) WRITE(numicb,'(a," there are",i5," bergs out of",i6," on PE ",i4)') & |
---|
700 | & cd_label, ibergs, inbergs, narea |
---|
701 | ! |
---|
702 | END SUBROUTINE icb_utl_print |
---|
703 | |
---|
704 | |
---|
705 | SUBROUTINE icb_utl_incr() |
---|
706 | !!---------------------------------------------------------------------- |
---|
707 | !! *** ROUTINE icb_utl_incr *** |
---|
708 | !! |
---|
709 | !! ** Purpose : |
---|
710 | !! |
---|
711 | ! Small routine for coping with very large integer values labelling icebergs |
---|
712 | ! num_bergs is a array of integers |
---|
713 | ! the first member is incremented in steps of jpnij starting from narea |
---|
714 | ! this means each iceberg is labelled with a unique number |
---|
715 | ! when this gets to the maximum allowed integer the second and subsequent members are |
---|
716 | ! used to count how many times the member before cycles |
---|
717 | !!---------------------------------------------------------------------- |
---|
718 | INTEGER :: ii, ibig |
---|
719 | !!---------------------------------------------------------------------- |
---|
720 | |
---|
721 | ibig = HUGE(num_bergs(1)) |
---|
722 | IF( ibig-jpnij < num_bergs(1) ) THEN |
---|
723 | num_bergs(1) = narea |
---|
724 | DO ii = 2,nkounts |
---|
725 | IF( num_bergs(ii) == ibig ) THEN |
---|
726 | num_bergs(ii) = 0 |
---|
727 | IF( ii == nkounts ) CALL ctl_stop('Sorry, run out of iceberg number space') |
---|
728 | ELSE |
---|
729 | num_bergs(ii) = num_bergs(ii) + 1 |
---|
730 | EXIT |
---|
731 | ENDIF |
---|
732 | END DO |
---|
733 | ELSE |
---|
734 | num_bergs(1) = num_bergs(1) + jpnij |
---|
735 | ENDIF |
---|
736 | ! |
---|
737 | END SUBROUTINE icb_utl_incr |
---|
738 | |
---|
739 | |
---|
740 | INTEGER FUNCTION icb_utl_count() |
---|
741 | !!---------------------------------------------------------------------- |
---|
742 | !! *** FUNCTION icb_utl_count *** |
---|
743 | !! |
---|
744 | !! ** Purpose : |
---|
745 | !!---------------------------------------------------------------------- |
---|
746 | TYPE(iceberg), POINTER :: this |
---|
747 | !!---------------------------------------------------------------------- |
---|
748 | ! |
---|
749 | icb_utl_count = 0 |
---|
750 | this => first_berg |
---|
751 | DO WHILE( ASSOCIATED(this) ) |
---|
752 | icb_utl_count = icb_utl_count+1 |
---|
753 | this => this%next |
---|
754 | END DO |
---|
755 | ! |
---|
756 | END FUNCTION icb_utl_count |
---|
757 | |
---|
758 | |
---|
759 | REAL(wp) FUNCTION icb_utl_mass( first, justbits, justbergs ) |
---|
760 | !!---------------------------------------------------------------------- |
---|
761 | !! *** FUNCTION icb_utl_mass *** |
---|
762 | !! |
---|
763 | !! ** Purpose : compute the mass all iceberg, all berg bits or all bergs. |
---|
764 | !!---------------------------------------------------------------------- |
---|
765 | TYPE(iceberg) , POINTER :: first |
---|
766 | TYPE(point) , POINTER :: pt |
---|
767 | LOGICAL, INTENT(in), OPTIONAL :: justbits, justbergs |
---|
768 | ! |
---|
769 | TYPE(iceberg), POINTER :: this |
---|
770 | !!---------------------------------------------------------------------- |
---|
771 | icb_utl_mass = 0._wp |
---|
772 | this => first |
---|
773 | ! |
---|
774 | IF( PRESENT( justbergs ) ) THEN |
---|
775 | DO WHILE( ASSOCIATED( this ) ) |
---|
776 | pt => this%current_point |
---|
777 | icb_utl_mass = icb_utl_mass + pt%mass * this%mass_scaling |
---|
778 | this => this%next |
---|
779 | END DO |
---|
780 | ELSEIF( PRESENT(justbits) ) THEN |
---|
781 | DO WHILE( ASSOCIATED( this ) ) |
---|
782 | pt => this%current_point |
---|
783 | icb_utl_mass = icb_utl_mass + pt%mass_of_bits * this%mass_scaling |
---|
784 | this => this%next |
---|
785 | END DO |
---|
786 | ELSE |
---|
787 | DO WHILE( ASSOCIATED( this ) ) |
---|
788 | pt => this%current_point |
---|
789 | icb_utl_mass = icb_utl_mass + ( pt%mass + pt%mass_of_bits ) * this%mass_scaling |
---|
790 | this => this%next |
---|
791 | END DO |
---|
792 | ENDIF |
---|
793 | ! |
---|
794 | END FUNCTION icb_utl_mass |
---|
795 | |
---|
796 | |
---|
797 | REAL(wp) FUNCTION icb_utl_heat( first, justbits, justbergs ) |
---|
798 | !!---------------------------------------------------------------------- |
---|
799 | !! *** FUNCTION icb_utl_heat *** |
---|
800 | !! |
---|
801 | !! ** Purpose : compute the heat in all iceberg, all bergies or all bergs. |
---|
802 | !!---------------------------------------------------------------------- |
---|
803 | TYPE(iceberg) , POINTER :: first |
---|
804 | LOGICAL, INTENT(in), OPTIONAL :: justbits, justbergs |
---|
805 | ! |
---|
806 | TYPE(iceberg) , POINTER :: this |
---|
807 | TYPE(point) , POINTER :: pt |
---|
808 | !!---------------------------------------------------------------------- |
---|
809 | icb_utl_heat = 0._wp |
---|
810 | this => first |
---|
811 | ! |
---|
812 | IF( PRESENT( justbergs ) ) THEN |
---|
813 | DO WHILE( ASSOCIATED( this ) ) |
---|
814 | pt => this%current_point |
---|
815 | icb_utl_heat = icb_utl_heat + pt%mass * this%mass_scaling * pt%heat_density |
---|
816 | this => this%next |
---|
817 | END DO |
---|
818 | ELSEIF( PRESENT(justbits) ) THEN |
---|
819 | DO WHILE( ASSOCIATED( this ) ) |
---|
820 | pt => this%current_point |
---|
821 | icb_utl_heat = icb_utl_heat + pt%mass_of_bits * this%mass_scaling * pt%heat_density |
---|
822 | this => this%next |
---|
823 | END DO |
---|
824 | ELSE |
---|
825 | DO WHILE( ASSOCIATED( this ) ) |
---|
826 | pt => this%current_point |
---|
827 | icb_utl_heat = icb_utl_heat + ( pt%mass + pt%mass_of_bits ) * this%mass_scaling * pt%heat_density |
---|
828 | this => this%next |
---|
829 | END DO |
---|
830 | ENDIF |
---|
831 | ! |
---|
832 | END FUNCTION icb_utl_heat |
---|
833 | |
---|
834 | !!====================================================================== |
---|
835 | END MODULE icbutl |
---|