1 | MODULE obs_rot_vel |
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2 | !!====================================================================== |
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3 | !! *** MODULE obs_rot_vel *** |
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4 | !! Observation diagnostics: Read the velocity profile observations |
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5 | !!====================================================================== |
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6 | |
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7 | !!---------------------------------------------------------------------- |
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8 | !! obs_rotvel : Rotate velocity data into N-S,E-W directorions |
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9 | !!---------------------------------------------------------------------- |
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10 | !! * Modules used |
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11 | USE wrk_nemo ! Memory Allocation |
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12 | USE par_kind ! Precision variables |
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13 | USE par_oce ! Ocean parameters |
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14 | USE in_out_manager ! I/O manager |
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15 | USE dom_oce ! Ocean space and time domain variables |
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16 | USE obs_grid ! Grid search |
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17 | USE obs_utils ! For error handling |
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18 | USE obs_profiles_def ! Profile definitions |
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19 | USE obs_inter_h2d ! Horizontal interpolation |
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20 | USE obs_inter_sup ! MPP support routines for interpolation |
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21 | USE geo2ocean ! Rotation of vectors |
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22 | USE obs_fbm ! Feedback definitions |
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23 | |
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24 | IMPLICIT NONE |
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25 | |
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26 | !! * Routine accessibility |
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27 | PRIVATE |
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28 | |
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29 | PUBLIC obs_rotvel ! Rotate the observations |
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30 | |
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31 | !!---------------------------------------------------------------------- |
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32 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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33 | !! $Id$ |
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34 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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35 | !!---------------------------------------------------------------------- |
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36 | |
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37 | CONTAINS |
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38 | |
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39 | SUBROUTINE obs_rotvel( profdata, k2dint, pu, pv ) |
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40 | !!--------------------------------------------------------------------- |
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41 | !! |
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42 | !! *** ROUTINE obs_rea_pro_dri *** |
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43 | !! |
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44 | !! ** Purpose : Rotate velocity data into N-S,E-W directorions |
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45 | !! |
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46 | !! ** Method : Interpolation of geo2ocean coefficients on U,V grid |
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47 | !! to observation point followed by a similar computations |
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48 | !! as in geo2ocean. |
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49 | !! |
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50 | !! ** Action : Review if there is a better way to do this. |
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51 | !! |
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52 | !! References : |
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53 | !! |
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54 | !! History : |
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55 | !! ! : 2009-02 (K. Mogensen) : New routine |
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56 | !!---------------------------------------------------------------------- |
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57 | !! * Modules used |
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58 | !! * Arguments |
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59 | TYPE(obs_prof), INTENT(INOUT) :: profdata ! Profile data to be read |
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60 | INTEGER, INTENT(IN) :: k2dint ! Horizontal interpolation methed |
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61 | REAL(wp), DIMENSION(*) :: & |
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62 | & pu, & |
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63 | & pv |
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64 | !! * Local declarations |
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65 | REAL(wp), DIMENSION(2,2,1) :: zweig |
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66 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: & |
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67 | & zmasku, & |
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68 | & zmaskv, & |
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69 | & zcoslu, & |
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70 | & zsinlu, & |
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71 | & zcoslv, & |
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72 | & zsinlv, & |
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73 | & zglamu, & |
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74 | & zgphiu, & |
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75 | & zglamv, & |
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76 | & zgphiv |
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77 | REAL(wp), DIMENSION(1) :: & |
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78 | & zsinu, & |
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79 | & zcosu, & |
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80 | & zsinv, & |
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81 | & zcosv |
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82 | REAL(wp) :: zsin |
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83 | REAL(wp) :: zcos |
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84 | REAL(wp), DIMENSION(1) :: zobsmask |
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85 | REAL(wp), POINTER, DIMENSION(:,:) :: zsingu,zcosgu,zsingv,zcosgv |
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86 | INTEGER, DIMENSION(:,:,:), ALLOCATABLE :: & |
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87 | & igrdiu, & |
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88 | & igrdju, & |
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89 | & igrdiv, & |
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90 | & igrdjv |
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91 | INTEGER :: ji |
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92 | INTEGER :: jk |
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93 | |
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94 | CALL wrk_alloc(jpi,jpj,zsingu,zcosgu,zsingv,zcosgv) |
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95 | |
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96 | !----------------------------------------------------------------------- |
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97 | ! Allocate data for message parsing and interpolation |
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98 | !----------------------------------------------------------------------- |
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99 | |
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100 | ALLOCATE( & |
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101 | & igrdiu(2,2,profdata%nprof), & |
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102 | & igrdju(2,2,profdata%nprof), & |
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103 | & zglamu(2,2,profdata%nprof), & |
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104 | & zgphiu(2,2,profdata%nprof), & |
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105 | & zmasku(2,2,profdata%nprof), & |
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106 | & zcoslu(2,2,profdata%nprof), & |
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107 | & zsinlu(2,2,profdata%nprof), & |
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108 | & igrdiv(2,2,profdata%nprof), & |
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109 | & igrdjv(2,2,profdata%nprof), & |
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110 | & zglamv(2,2,profdata%nprof), & |
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111 | & zgphiv(2,2,profdata%nprof), & |
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112 | & zmaskv(2,2,profdata%nprof), & |
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113 | & zcoslv(2,2,profdata%nprof), & |
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114 | & zsinlv(2,2,profdata%nprof) & |
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115 | & ) |
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116 | |
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117 | !----------------------------------------------------------------------- |
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118 | ! Receive the angles on the U and V grids. |
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119 | !----------------------------------------------------------------------- |
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120 | |
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121 | CALL obs_rot( zsingu, zcosgu, zsingv, zcosgv ) |
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122 | |
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123 | DO ji = 1, profdata%nprof |
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124 | igrdiu(1,1,ji) = profdata%mi(ji,1)-1 |
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125 | igrdju(1,1,ji) = profdata%mj(ji,1)-1 |
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126 | igrdiu(1,2,ji) = profdata%mi(ji,1)-1 |
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127 | igrdju(1,2,ji) = profdata%mj(ji,1) |
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128 | igrdiu(2,1,ji) = profdata%mi(ji,1) |
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129 | igrdju(2,1,ji) = profdata%mj(ji,1)-1 |
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130 | igrdiu(2,2,ji) = profdata%mi(ji,1) |
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131 | igrdju(2,2,ji) = profdata%mj(ji,1) |
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132 | igrdiv(1,1,ji) = profdata%mi(ji,2)-1 |
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133 | igrdjv(1,1,ji) = profdata%mj(ji,2)-1 |
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134 | igrdiv(1,2,ji) = profdata%mi(ji,2)-1 |
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135 | igrdjv(1,2,ji) = profdata%mj(ji,2) |
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136 | igrdiv(2,1,ji) = profdata%mi(ji,2) |
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137 | igrdjv(2,1,ji) = profdata%mj(ji,2)-1 |
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138 | igrdiv(2,2,ji) = profdata%mi(ji,2) |
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139 | igrdjv(2,2,ji) = profdata%mj(ji,2) |
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140 | END DO |
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141 | |
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142 | CALL obs_int_comm_2d( 2, 2, profdata%nprof, jpi, jpj, igrdiu, igrdju, & |
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143 | & glamu, zglamu ) |
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144 | CALL obs_int_comm_2d( 2, 2, profdata%nprof, jpi, jpj, igrdiu, igrdju, & |
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145 | & gphiu, zgphiu ) |
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146 | CALL obs_int_comm_2d( 2, 2, profdata%nprof, jpi, jpj, igrdiu, igrdju, & |
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147 | & umask(:,:,1), zmasku ) |
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148 | CALL obs_int_comm_2d( 2, 2, profdata%nprof, jpi, jpj, igrdiu, igrdju, & |
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149 | & zsingu, zsinlu ) |
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150 | CALL obs_int_comm_2d( 2, 2, profdata%nprof, jpi, jpj, igrdiu, igrdju, & |
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151 | & zcosgu, zcoslu ) |
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152 | CALL obs_int_comm_2d( 2, 2, profdata%nprof, jpi, jpj, igrdiv, igrdjv, & |
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153 | & glamv, zglamv ) |
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154 | CALL obs_int_comm_2d( 2, 2, profdata%nprof, jpi, jpj, igrdiv, igrdjv, & |
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155 | & gphiv, zgphiv ) |
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156 | CALL obs_int_comm_2d( 2, 2, profdata%nprof, jpi, jpj, igrdiv, igrdjv, & |
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157 | & vmask(:,:,1), zmaskv ) |
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158 | CALL obs_int_comm_2d( 2, 2, profdata%nprof, jpi, jpj, igrdiv, igrdjv, & |
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159 | & zsingv, zsinlv ) |
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160 | CALL obs_int_comm_2d( 2, 2, profdata%nprof, jpi, jpj, igrdiv, igrdjv, & |
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161 | & zcosgv, zcoslv ) |
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162 | |
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163 | DO ji = 1, profdata%nprof |
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164 | |
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165 | CALL obs_int_h2d_init( 1, 1, k2dint, & |
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166 | & profdata%rlam(ji), profdata%rphi(ji), & |
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167 | & zglamu(:,:,ji), zgphiu(:,:,ji), & |
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168 | & zmasku(:,:,ji), zweig, zobsmask ) |
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169 | |
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170 | CALL obs_int_h2d( 1, 1, zweig, zsinlu(:,:,ji), zsinu ) |
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171 | |
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172 | CALL obs_int_h2d( 1, 1, zweig, zcoslu(:,:,ji), zcosu ) |
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173 | |
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174 | CALL obs_int_h2d_init( 1, 1, k2dint, & |
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175 | & profdata%rlam(ji), profdata%rphi(ji), & |
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176 | & zglamv(:,:,ji), zgphiv(:,:,ji), & |
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177 | & zmaskv(:,:,ji), zweig, zobsmask ) |
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178 | |
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179 | CALL obs_int_h2d( 1, 1, zweig, zsinlv(:,:,ji), zsinv ) |
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180 | |
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181 | CALL obs_int_h2d( 1, 1, zweig, zcoslv(:,:,ji), zcosv ) |
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182 | |
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183 | ! Assume that the angle at observation point is the |
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184 | ! mean of u and v cosines/sines |
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185 | |
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186 | zcos = 0.5_wp * ( zcosu(1) + zcosv(1) ) |
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187 | zsin = 0.5_wp * ( zsinu(1) + zsinv(1) ) |
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188 | |
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189 | IF ( ( profdata%npvsta(ji,1) /= profdata%npvsta(ji,2) ) .OR. & |
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190 | & ( profdata%npvend(ji,1) /= profdata%npvend(ji,2) ) ) THEN |
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191 | CALL fatal_error( 'Different number of U and V observations '// & |
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192 | 'in a profile in obs_rotvel', __LINE__ ) |
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193 | ENDIF |
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194 | |
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195 | DO jk = profdata%npvsta(ji,1), profdata%npvend(ji,1) |
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196 | IF ( ( profdata%var(1)%vmod(jk) /= fbrmdi ) .AND. & |
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197 | & ( profdata%var(2)%vmod(jk) /= fbrmdi ) ) THEN |
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198 | pu(jk) = profdata%var(1)%vmod(jk) * zcos - & |
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199 | & profdata%var(2)%vmod(jk) * zsin |
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200 | pv(jk) = profdata%var(2)%vmod(jk) * zcos + & |
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201 | & profdata%var(1)%vmod(jk) * zsin |
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202 | ELSE |
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203 | pu(jk) = fbrmdi |
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204 | pv(jk) = fbrmdi |
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205 | ENDIF |
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206 | |
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207 | END DO |
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208 | |
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209 | END DO |
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210 | |
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211 | DEALLOCATE( & |
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212 | & igrdiu, & |
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213 | & igrdju, & |
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214 | & zglamu, & |
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215 | & zgphiu, & |
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216 | & zmasku, & |
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217 | & zcoslu, & |
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218 | & zsinlu, & |
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219 | & igrdiv, & |
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220 | & igrdjv, & |
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221 | & zglamv, & |
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222 | & zgphiv, & |
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223 | & zmaskv, & |
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224 | & zcoslv, & |
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225 | & zsinlv & |
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226 | & ) |
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227 | |
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228 | CALL wrk_dealloc(jpi,jpj,zsingu,zcosgu,zsingv,zcosgv) |
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229 | |
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230 | END SUBROUTINE obs_rotvel |
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231 | |
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232 | END MODULE obs_rot_vel |
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