1 | MODULE dyncor1d |
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2 | !!====================================================================== |
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3 | !! *** MODULE ini1D *** |
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4 | !! Ocean state : 1D initialization |
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5 | !!===================================================================== |
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6 | #if defined key_cfg_1d |
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7 | !!---------------------------------------------------------------------- |
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8 | !! 'key_cfg_1d' 1D Configuration |
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9 | !!---------------------------------------------------------------------- |
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10 | !!---------------------------------------------------------------------- |
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11 | !! fcorio_1d : Coriolis factor at T-point |
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12 | !! dyn_cor_1d : vorticity trend due to Coriolis |
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13 | !!---------------------------------------------------------------------- |
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14 | !! * Modules used |
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15 | USE oce ! ocean dynamics and tracers |
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16 | USE dom_oce ! ocean space and time domain |
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17 | USE phycst ! physical constants |
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18 | USE in_out_manager ! I/O manager |
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19 | USE prtctl ! Print control |
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20 | |
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21 | IMPLICIT NONE |
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22 | PRIVATE |
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23 | |
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24 | !! * Routine accessibility |
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25 | PUBLIC fcorio_1d ! routine called by OPA.F90 |
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26 | PUBLIC dyn_cor_1d ! routine called by step1d.F90 |
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27 | |
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28 | !! * Substitutions |
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29 | # include "vectopt_loop_substitute.h90" |
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30 | !!---------------------------------------------------------------------- |
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31 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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32 | !! $Header$ |
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33 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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34 | !!---------------------------------------------------------------------- |
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35 | |
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36 | CONTAINS |
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37 | |
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38 | SUBROUTINE fcorio_1d |
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39 | !!---------------------------------------------------------------------- |
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40 | !! *** ROUTINE fcorio_1d *** |
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41 | !! |
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42 | !! ** Purpose : Compute the Coriolis factor at T-point |
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43 | !! |
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44 | !! ** Method : |
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45 | !! |
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46 | !! History : |
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47 | !! 9.0 ! 04-09 (C. Ethe) 1D configuration |
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48 | !!---------------------------------------------------------------------- |
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49 | !! * Local declarations |
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50 | !!---------------------------------------------------------------------- |
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51 | REAL(wp) :: & |
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52 | zphi0, zbeta, zf0 ! temporary scalars |
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53 | |
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54 | |
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55 | !!---------------------------------------------------------------------- |
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56 | |
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57 | ! ================= ! |
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58 | ! Coriolis factor ! |
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59 | ! ================= ! |
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60 | IF(lwp) WRITE(numout,*) |
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61 | IF(lwp) WRITE(numout,*) 'fcorio_1d : Coriolis factor at T-point' |
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62 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
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63 | |
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64 | SELECT CASE( jphgr_msh ) ! type of horizontal mesh |
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65 | |
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66 | CASE ( 0, 1, 4 ) ! mesh on the sphere |
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67 | |
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68 | ff(:,:) = 2. * omega * SIN( rad * gphit(:,:) ) |
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69 | |
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70 | CASE ( 2 ) ! f-plane at ppgphi0 |
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71 | |
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72 | ff(:,:) = 2. * omega * SIN( rad * ppgphi0 ) |
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73 | |
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74 | IF(lwp) WRITE(numout,*) ' f-plane: Coriolis parameter = constant = ', ff(1,1) |
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75 | |
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76 | CASE ( 3 ) ! beta-plane |
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77 | |
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78 | zbeta = 2. * omega * COS( rad * ppgphi0 ) / ra ! beta at latitude ppgphi0 |
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79 | zphi0 = ppgphi0 - FLOAT( jpjglo/2) * ppe2_m *1.e-3 / ( ra * rad ) ! latitude of the first row F-points |
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80 | zf0 = 2. * omega * SIN( rad * zphi0 ) ! compute f0 1st point south |
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81 | |
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82 | ff(:,:) = ( zf0 + zbeta * gphit(:,:) * 1.e+3 ) ! f = f0 +beta* y ( y=0 at south) |
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83 | |
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84 | IF(lwp) WRITE(numout,*) ' Beta-plane: Beta parameter = constant = ', ff(1,1) |
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85 | IF(lwp) WRITE(numout,*) ' Coriolis parameter varies from ', ff(1,1),' to ', ff(1,jpj) |
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86 | |
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87 | CASE ( 5 ) ! beta-plane and rotated domain |
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88 | |
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89 | zbeta = 2. * omega * COS( rad * ppgphi0 ) / ra ! beta at latitude ppgphi0 |
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90 | zphi0 = 15.e0 ! latitude of the first row F-points |
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91 | zf0 = 2. * omega * SIN( rad * zphi0 ) ! compute f0 1st point south |
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92 | |
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93 | ff(:,:) = ( zf0 + zbeta * ABS( gphit(:,:) - zphi0 ) * rad * ra ) ! f = f0 +beta* y ( y=0 at south) |
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94 | |
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95 | IF(lwp) WRITE(numout,*) ' Beta-plane: Beta parameter = constant = ', ff(1,1) |
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96 | IF(lwp) WRITE(numout,*) ' Coriolis parameter varies from ', ff(1,1),' to ', ff(1,jpj) |
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97 | |
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98 | END SELECT |
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99 | |
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100 | END SUBROUTINE fcorio_1d |
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101 | |
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102 | |
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103 | SUBROUTINE dyn_cor_1d( kt ) |
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104 | !!---------------------------------------------------------------------- |
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105 | !! *** ROUTINE dyn_cor_1d *** |
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106 | !! |
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107 | !! ** Purpose : Compute the now total vorticity trend and add it to |
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108 | !! the general trend of the momentum equation |
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109 | !! |
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110 | !! ** Method : |
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111 | !! |
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112 | !! History : |
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113 | !! 9.0 ! 04-09 (C. Ethe) 1D configuration |
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114 | !!---------------------------------------------------------------------- |
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115 | !! * Arguments |
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116 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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117 | |
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118 | !! * Local declarations |
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119 | INTEGER :: ji, jj, jk ! dummy loop indices |
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120 | REAL(wp) :: & |
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121 | zua, zva ! temporary scalars |
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122 | |
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123 | !!---------------------------------------------------------------------- |
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124 | |
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125 | IF( kt == nit000 ) THEN |
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126 | IF(lwp) WRITE(numout,*) |
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127 | IF(lwp) WRITE(numout,*) 'dyn_cor_1d : total vorticity trend in 1D' |
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128 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~' |
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129 | ENDIF |
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130 | |
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131 | DO jk = 1, jpkm1 |
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132 | DO jj = 2, jpjm1 |
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133 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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134 | zua = ff(ji,jj) * vn(ji,jj,jk) |
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135 | zva = - ff(ji,jj) * un(ji,jj,jk) |
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136 | ua(ji,jj,jk) = ua(ji,jj,jk) + zua |
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137 | va(ji,jj,jk) = va(ji,jj,jk) + zva |
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138 | END DO |
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139 | END DO |
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140 | END DO |
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141 | |
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142 | IF(ln_ctl) THEN |
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143 | CALL prt_ctl(tab3d_1=ua, clinfo1=' cor - Ua: ', mask1=umask, & |
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144 | & tab3d_2=va, clinfo2=' Va: ', mask2=vmask) |
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145 | ENDIF |
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146 | |
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147 | ! IF(l_ctl) THEN ! print sum trends (used for debugging) |
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148 | ! zua = SUM( ua(2:nictl,2:njctl,1:jpkm1) * umask(2:nictl,2:njctl,1:jpkm1) ) |
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149 | ! zva = SUM( va(2:nictl,2:njctl,1:jpkm1) * vmask(2:nictl,2:njctl,1:jpkm1) ) |
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150 | ! WRITE(numout,*) ' cor - Ua: ', zua-u_ctl, ' Va: ', zva-v_ctl |
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151 | ! u_ctl = zua ; v_ctl = zva |
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152 | ! ENDIF |
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153 | |
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154 | END SUBROUTINE dyn_cor_1d |
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155 | |
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156 | #else |
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157 | !!---------------------------------------------------------------------- |
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158 | !! Default key NO 1D Config |
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159 | !!---------------------------------------------------------------------- |
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160 | CONTAINS |
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161 | SUBROUTINE fcorio_1d ! Empty routine |
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162 | END SUBROUTINE fcorio_1d |
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163 | SUBROUTINE dyn_cor_1d ( kt ) |
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164 | WRITE(*,*) 'dyn_cor_1d: You should not have seen this print! error?', kt |
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165 | END SUBROUTINE dyn_cor_1d |
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166 | #endif |
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167 | |
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168 | !!===================================================================== |
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169 | END MODULE dyncor1d |
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