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