| 1 | MODULE obs_surf_def |
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| 2 | !!===================================================================== |
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| 3 | !! *** MODULE obs_surf_def *** |
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| 4 | !! Observation diagnostics: Storage handling for surface observation |
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| 5 | !! arrays and additional flags etc. |
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| 6 | !! This module only defines the data type and |
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| 7 | !! operations on the data type. There is no |
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| 8 | !! actual data in the module. |
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| 9 | !!===================================================================== |
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| 10 | |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! obs_surf : F90 type containing the surface information |
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| 13 | !! obs_surf_alloc : Allocates surface data arrays |
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| 14 | !! obs_surf_dealloc : Deallocates surface data arrays |
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| 15 | !! obs_surf_compress : Extract sub-information from a obs_surf type |
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| 16 | !! to a new obs_surf type |
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| 17 | !! obs_surf_decompress : Reinsert sub-information from a obs_surf type |
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| 18 | !! into the original obs_surf type |
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| 19 | !!---------------------------------------------------------------------- |
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| 20 | !! * Modules used |
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| 21 | USE par_kind, ONLY : & ! Precision variables |
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| 22 | & wp |
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| 23 | USE obs_mpp, ONLY : & ! MPP tools |
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| 24 | obs_mpp_sum_integer |
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| 25 | |
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| 26 | IMPLICIT NONE |
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| 27 | |
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| 28 | !! * Routine/type accessibility |
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| 29 | PRIVATE |
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| 30 | |
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| 31 | PUBLIC & |
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| 32 | & obs_surf, & |
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| 33 | & obs_surf_alloc, & |
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| 34 | & obs_surf_dealloc, & |
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| 35 | & obs_surf_compress, & |
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| 36 | & obs_surf_decompress |
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| 37 | |
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| 38 | !! * Type definition for surface observation type |
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| 39 | |
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| 40 | TYPE obs_surf |
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| 41 | |
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| 42 | ! Bookkeeping |
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| 43 | |
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| 44 | INTEGER :: nsurf !: Local number of surface data within window |
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| 45 | INTEGER :: nsurfmpp !: Global number of surface data within window |
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| 46 | INTEGER :: nvar !: Number of variables at observation points |
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| 47 | INTEGER :: nextra !: Number of extra fields at observation points |
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| 48 | INTEGER :: nstp !: Number of time steps |
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| 49 | INTEGER :: npi !: Number of 3D grid points |
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| 50 | INTEGER :: npj |
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| 51 | INTEGER :: nsurfup !: Observation counter used in obs_oper |
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| 52 | INTEGER :: nrec !: Number of surface observation records in window |
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| 53 | |
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| 54 | ! Arrays with size equal to the number of surface observations |
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| 55 | |
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| 56 | INTEGER, POINTER, DIMENSION(:) :: & |
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| 57 | & mi, & !: i-th grid coord. for interpolating to surface observation |
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| 58 | & mj, & !: j-th grid coord. for interpolating to surface observation |
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| 59 | & mt, & !: time record number for gridded data |
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| 60 | & nsidx,& !: Surface observation number |
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| 61 | & nsfil,& !: Surface observation number in file |
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| 62 | & nyea, & !: Year of surface observation |
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| 63 | & nmon, & !: Month of surface observation |
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| 64 | & nday, & !: Day of surface observation |
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| 65 | & nhou, & !: Hour of surface observation |
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| 66 | & nmin, & !: Minute of surface observation |
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| 67 | & mstp, & !: Time step nearest to surface observation |
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| 68 | & nqc, & !: Surface observation qc flag |
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| 69 | & ntyp !: Type of surface observation product |
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| 70 | |
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| 71 | CHARACTER(LEN=8), POINTER, DIMENSION(:) :: & |
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| 72 | & cwmo !: WMO indentifier |
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| 73 | |
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| 74 | REAL(KIND=wp), POINTER, DIMENSION(:) :: & |
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| 75 | & rlam, & !: Longitude coordinate of surface observation |
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| 76 | & rphi !: Latitude coordinate of surface observation |
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| 77 | |
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| 78 | REAL(KIND=wp), POINTER, DIMENSION(:,:) :: & |
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| 79 | & robs, & !: Surface observation |
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| 80 | & rmod !: Model counterpart of the surface observation vector |
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| 81 | |
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| 82 | REAL(KIND=wp), POINTER, DIMENSION(:,:) :: & |
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| 83 | & rext !: Extra fields interpolated to observation points |
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| 84 | |
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| 85 | REAL(KIND=wp), POINTER, DIMENSION(:,:) :: & |
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| 86 | & vdmean !: Time averaged of model field |
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| 87 | |
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| 88 | ! Arrays with size equal to the number of time steps in the window |
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| 89 | |
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| 90 | INTEGER, POINTER, DIMENSION(:) :: & |
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| 91 | & nsstp, & !: Local number of surface observations per time step |
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| 92 | & nsstpmpp !: Global number of surface observations per time step |
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| 93 | |
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| 94 | ! Arrays with size equal to the number of observation records in the window |
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| 95 | INTEGER, POINTER, DIMENSION(:) :: & |
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| 96 | & mrecstp ! Time step of the records |
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| 97 | |
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| 98 | ! Arrays used to store source indices when |
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| 99 | ! compressing obs_surf derived types |
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| 100 | |
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| 101 | ! Array with size nsurf |
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| 102 | |
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| 103 | INTEGER, POINTER, DIMENSION(:) :: & |
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| 104 | & nsind !: Source indices of surface data in compressed data |
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| 105 | |
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| 106 | ! Is this a gridded product? |
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| 107 | |
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| 108 | LOGICAL :: lgrid |
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| 109 | |
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| 110 | END TYPE obs_surf |
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| 111 | |
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| 112 | !!---------------------------------------------------------------------- |
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| 113 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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| 114 | !! $Id$ |
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| 115 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 116 | !!---------------------------------------------------------------------- |
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| 117 | |
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| 118 | CONTAINS |
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| 119 | |
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| 120 | SUBROUTINE obs_surf_alloc( surf, ksurf, kvar, kextra, kstp, kpi, kpj ) |
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| 121 | !!---------------------------------------------------------------------- |
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| 122 | !! *** ROUTINE obs_surf_alloc *** |
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| 123 | !! |
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| 124 | !! ** Purpose : - Allocate data for surface data arrays |
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| 125 | !! |
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| 126 | !! ** Method : - Fortran-90 dynamic arrays |
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| 127 | !! |
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| 128 | !! History : |
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| 129 | !! ! 07-03 (K. Mogensen, A. Weaver, E. Remy, S. Ricci) original |
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| 130 | !!---------------------------------------------------------------------- |
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| 131 | !! * Arguments |
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| 132 | TYPE(obs_surf), INTENT(INOUT) :: surf ! Surface data to be allocated |
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| 133 | INTEGER, INTENT(IN) :: ksurf ! Number of surface observations |
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| 134 | INTEGER, INTENT(IN) :: kvar ! Number of surface variables |
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| 135 | INTEGER, INTENT(IN) :: kextra ! Number of extra fields at observation points |
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| 136 | INTEGER, INTENT(IN) :: kstp ! Number of time steps |
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| 137 | INTEGER, INTENT(IN) :: kpi ! Number of 3D grid points |
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| 138 | INTEGER, INTENT(IN) :: kpj |
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| 139 | |
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| 140 | !!* Local variables |
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| 141 | INTEGER :: ji |
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| 142 | |
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| 143 | ! Set bookkeeping variables |
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| 144 | |
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| 145 | surf%nsurf = ksurf |
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| 146 | surf%nsurfmpp = 0 |
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| 147 | surf%nextra = kextra |
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| 148 | surf%nvar = kvar |
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| 149 | surf%nstp = kstp |
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| 150 | surf%npi = kpi |
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| 151 | surf%npj = kpj |
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| 152 | |
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| 153 | ! Allocate arrays of number of surface data size |
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| 154 | |
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| 155 | ALLOCATE( & |
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| 156 | & surf%mi(ksurf), & |
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| 157 | & surf%mj(ksurf), & |
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| 158 | & surf%mt(ksurf), & |
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| 159 | & surf%nsidx(ksurf), & |
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| 160 | & surf%nsfil(ksurf), & |
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| 161 | & surf%nyea(ksurf), & |
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| 162 | & surf%nmon(ksurf), & |
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| 163 | & surf%nday(ksurf), & |
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| 164 | & surf%nhou(ksurf), & |
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| 165 | & surf%nmin(ksurf), & |
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| 166 | & surf%mstp(ksurf), & |
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| 167 | & surf%nqc(ksurf), & |
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| 168 | & surf%ntyp(ksurf), & |
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| 169 | & surf%cwmo(ksurf), & |
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| 170 | & surf%rlam(ksurf), & |
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| 171 | & surf%rphi(ksurf), & |
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| 172 | & surf%nsind(ksurf) & |
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| 173 | & ) |
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| 174 | |
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| 175 | surf%mt(:) = -1 |
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| 176 | |
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| 177 | |
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| 178 | ! Allocate arrays of number of surface data size * number of variables |
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| 179 | |
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| 180 | ALLOCATE( & |
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| 181 | & surf%robs(ksurf,kvar), & |
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| 182 | & surf%rmod(ksurf,kvar) & |
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| 183 | & ) |
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| 184 | |
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| 185 | ! Allocate arrays of number of extra fields at observation points |
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| 186 | |
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| 187 | ALLOCATE( & |
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| 188 | & surf%rext(ksurf,kextra) & |
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| 189 | & ) |
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| 190 | |
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| 191 | surf%rext(:,:) = 0.0_wp |
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| 192 | |
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| 193 | ! Allocate arrays of number of time step size |
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| 194 | |
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| 195 | ALLOCATE( & |
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| 196 | & surf%nsstp(kstp), & |
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| 197 | & surf%nsstpmpp(kstp) & |
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| 198 | & ) |
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| 199 | |
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| 200 | ! Allocate arrays of size number of grid points |
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| 201 | |
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| 202 | ALLOCATE( & |
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| 203 | & surf%vdmean(kpi,kpj) & |
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| 204 | & ) |
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| 205 | |
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| 206 | ! Set defaults for compression indices |
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| 207 | |
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| 208 | DO ji = 1, ksurf |
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| 209 | surf%nsind(ji) = ji |
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| 210 | END DO |
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| 211 | |
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| 212 | ! Set defaults for number of observations per time step |
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| 213 | |
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| 214 | surf%nsstp(:) = 0 |
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| 215 | surf%nsstpmpp(:) = 0 |
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| 216 | |
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| 217 | ! Set the observation counter used in obs_oper |
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| 218 | |
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| 219 | surf%nsurfup = 0 |
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| 220 | |
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| 221 | ! Not gridded by default |
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| 222 | |
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| 223 | surf%lgrid = .FALSE. |
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| 224 | |
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| 225 | END SUBROUTINE obs_surf_alloc |
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| 226 | |
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| 227 | SUBROUTINE obs_surf_dealloc( surf ) |
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| 228 | !!---------------------------------------------------------------------- |
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| 229 | !! *** ROUTINE obs_surf_dealloc *** |
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| 230 | !! |
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| 231 | !! ** Purpose : - Deallocate data for surface data arrays |
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| 232 | !! |
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| 233 | !! ** Method : - Fortran-90 dynamic arrays |
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| 234 | !! |
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| 235 | !! History : |
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| 236 | !! ! 07-03 (K. Mogensen, A. Weaver, E. Remy, S. Ricci) original |
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| 237 | !!---------------------------------------------------------------------- |
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| 238 | !! * Arguments |
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| 239 | TYPE(obs_surf), INTENT(INOUT) :: & |
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| 240 | & surf ! Surface data to be allocated |
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| 241 | |
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| 242 | !!* Local variables |
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| 243 | |
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| 244 | ! Deallocate arrays of number of surface data size |
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| 245 | |
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| 246 | DEALLOCATE( & |
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| 247 | & surf%mi, & |
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| 248 | & surf%mj, & |
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| 249 | & surf%mt, & |
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| 250 | & surf%nsidx, & |
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| 251 | & surf%nsfil, & |
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| 252 | & surf%nyea, & |
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| 253 | & surf%nmon, & |
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| 254 | & surf%nday, & |
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| 255 | & surf%nhou, & |
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| 256 | & surf%nmin, & |
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| 257 | & surf%mstp, & |
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| 258 | & surf%nqc, & |
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| 259 | & surf%ntyp, & |
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| 260 | & surf%cwmo, & |
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| 261 | & surf%rlam, & |
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| 262 | & surf%rphi, & |
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| 263 | & surf%nsind & |
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| 264 | & ) |
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| 265 | |
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| 266 | ! Allocate arrays of number of surface data size * number of variables |
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| 267 | |
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| 268 | DEALLOCATE( & |
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| 269 | & surf%robs, & |
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| 270 | & surf%rmod & |
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| 271 | & ) |
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| 272 | |
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| 273 | ! Deallocate arrays of number of extra fields at observation points |
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| 274 | |
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| 275 | DEALLOCATE( & |
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| 276 | & surf%rext & |
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| 277 | & ) |
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| 278 | |
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| 279 | ! Deallocate arrays of size number of grid points size times |
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| 280 | ! number of variables |
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| 281 | |
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| 282 | DEALLOCATE( & |
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| 283 | & surf%vdmean & |
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| 284 | & ) |
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| 285 | |
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| 286 | ! Deallocate arrays of number of time step size |
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| 287 | |
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| 288 | DEALLOCATE( & |
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| 289 | & surf%nsstp, & |
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| 290 | & surf%nsstpmpp & |
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| 291 | & ) |
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| 292 | |
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| 293 | END SUBROUTINE obs_surf_dealloc |
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| 294 | |
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| 295 | SUBROUTINE obs_surf_compress( surf, newsurf, lallocate, kumout, lvalid ) |
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| 296 | !!---------------------------------------------------------------------- |
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| 297 | !! *** ROUTINE obs_surf_compress *** |
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| 298 | !! |
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| 299 | !! ** Purpose : - Extract sub-information from a obs_surf type |
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| 300 | !! into a new obs_surf type |
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| 301 | !! |
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| 302 | !! ** Method : - The data is copied from surf to new surf. |
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| 303 | !! In the case of lvalid being present only the |
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| 304 | !! selected data will be copied. |
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| 305 | !! If lallocate is true the data in the newsurf is |
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| 306 | !! allocated either with the same number of elements |
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| 307 | !! as surf or with only the subset of elements defined |
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| 308 | !! by the optional selection. |
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| 309 | !! |
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| 310 | !! History : |
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| 311 | !! ! 07-03 (K. Mogensen, A. Weaver, E. Remy, S. Ricci) original |
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| 312 | !!---------------------------------------------------------------------- |
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| 313 | !! * Arguments |
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| 314 | TYPE(obs_surf), INTENT(IN) :: surf ! Original surface data |
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| 315 | TYPE(obs_surf), INTENT(INOUT) :: newsurf ! New surface data with a subset of the original data |
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| 316 | LOGICAL :: lallocate ! Allocate newsurf data |
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| 317 | INTEGER,INTENT(IN) :: kumout ! Fortran unit for messages |
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| 318 | LOGICAL, OPTIONAL, INTENT(in), DIMENSION(:) :: & |
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| 319 | & lvalid ! Valid of surface observations |
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| 320 | |
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| 321 | !!* Local variables |
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| 322 | INTEGER :: insurf |
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| 323 | INTEGER :: ji |
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| 324 | INTEGER :: jk |
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| 325 | LOGICAL, DIMENSION(:), ALLOCATABLE :: llvalid |
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| 326 | |
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| 327 | ! Count how many elements there should be in the new data structure |
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| 328 | |
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| 329 | IF ( PRESENT(lvalid) ) THEN |
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| 330 | insurf = 0 |
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| 331 | DO ji = 1, surf%nsurf |
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| 332 | IF ( lvalid(ji) ) THEN |
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| 333 | insurf = insurf + 1 |
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| 334 | ENDIF |
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| 335 | END DO |
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| 336 | ELSE |
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| 337 | insurf = surf%nsurf |
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| 338 | ENDIF |
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| 339 | |
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| 340 | ! Optionally allocate data in the new data structure |
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| 341 | |
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| 342 | IF ( lallocate ) THEN |
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| 343 | CALL obs_surf_alloc( newsurf, insurf, surf%nvar, & |
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| 344 | & surf%nextra, surf%nstp, surf%npi, surf%npj ) |
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| 345 | ENDIF |
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| 346 | |
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| 347 | ! Allocate temporary valid array to unify the code for both cases |
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| 348 | |
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| 349 | ALLOCATE( llvalid(surf%nsurf) ) |
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| 350 | IF ( PRESENT(lvalid) ) THEN |
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| 351 | llvalid(:) = lvalid(:) |
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| 352 | ELSE |
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| 353 | llvalid(:) = .TRUE. |
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| 354 | ENDIF |
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| 355 | |
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| 356 | ! Setup bookkeeping variables |
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| 357 | |
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| 358 | insurf = 0 |
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| 359 | |
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| 360 | ! Loop over source surface data |
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| 361 | |
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| 362 | DO ji = 1, surf%nsurf |
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| 363 | |
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| 364 | IF ( llvalid(ji) ) THEN |
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| 365 | |
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| 366 | ! Copy the header information |
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| 367 | |
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| 368 | insurf = insurf + 1 |
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| 369 | |
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| 370 | newsurf%mi(insurf) = surf%mi(ji) |
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| 371 | newsurf%mj(insurf) = surf%mj(ji) |
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| 372 | newsurf%mt(insurf) = surf%mt(ji) |
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| 373 | newsurf%nsidx(insurf) = surf%nsidx(ji) |
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| 374 | newsurf%nsfil(insurf) = surf%nsfil(ji) |
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| 375 | newsurf%nyea(insurf) = surf%nyea(ji) |
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| 376 | newsurf%nmon(insurf) = surf%nmon(ji) |
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| 377 | newsurf%nday(insurf) = surf%nday(ji) |
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| 378 | newsurf%nhou(insurf) = surf%nhou(ji) |
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| 379 | newsurf%nmin(insurf) = surf%nmin(ji) |
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| 380 | newsurf%mstp(insurf) = surf%mstp(ji) |
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| 381 | newsurf%nqc(insurf) = surf%nqc(ji) |
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| 382 | newsurf%ntyp(insurf) = surf%ntyp(ji) |
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| 383 | newsurf%cwmo(insurf) = surf%cwmo(ji) |
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| 384 | newsurf%rlam(insurf) = surf%rlam(ji) |
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| 385 | newsurf%rphi(insurf) = surf%rphi(ji) |
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| 386 | |
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| 387 | DO jk = 1, surf%nvar |
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| 388 | |
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| 389 | newsurf%robs(insurf,jk) = surf%robs(ji,jk) |
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| 390 | newsurf%rmod(insurf,jk) = surf%rmod(ji,jk) |
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| 391 | |
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| 392 | END DO |
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| 393 | |
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| 394 | DO jk = 1, surf%nextra |
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| 395 | |
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| 396 | newsurf%rext(insurf,jk) = surf%rext(ji,jk) |
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| 397 | |
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| 398 | END DO |
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| 399 | |
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| 400 | ! nsind is the index of the original surface data |
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| 401 | |
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| 402 | newsurf%nsind(insurf) = ji |
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| 403 | |
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| 404 | ENDIF |
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| 405 | |
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| 406 | END DO |
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| 407 | |
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| 408 | ! Update MPP counters |
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| 409 | |
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| 410 | newsurf%nsurf = insurf |
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| 411 | CALL obs_mpp_sum_integer ( newsurf%nsurf, newsurf%nsurfmpp ) |
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| 412 | |
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| 413 | ! Set book keeping variables which do not depend on number of obs. |
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| 414 | |
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| 415 | newsurf%nstp = surf%nstp |
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| 416 | |
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| 417 | ! Set gridded stuff |
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| 418 | |
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| 419 | newsurf%mt(insurf) = surf%mt(ji) |
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| 420 | |
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| 421 | ! Deallocate temporary data |
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| 422 | |
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| 423 | DEALLOCATE( llvalid ) |
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| 424 | |
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| 425 | END SUBROUTINE obs_surf_compress |
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| 426 | |
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| 427 | SUBROUTINE obs_surf_decompress( surf, oldsurf, ldeallocate, kumout ) |
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| 428 | !!---------------------------------------------------------------------- |
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| 429 | !! *** ROUTINE obs_surf_decompress *** |
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| 430 | !! |
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| 431 | !! ** Purpose : - Copy back information to original surface data type |
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| 432 | !! |
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| 433 | !! ** Method : - Reinsert updated information from a previous |
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| 434 | !! copied/compressed surface data type into the original |
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| 435 | !! surface data and optionally deallocate the surface |
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| 436 | !! data input |
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| 437 | !! |
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| 438 | !! History : |
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| 439 | !! ! 07-03 (K. Mogensen, A. Weaver, E. Remy, S. Ricci) original |
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| 440 | !!---------------------------------------------------------------------- |
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| 441 | !! * Arguments |
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| 442 | TYPE(obs_surf),INTENT(INOUT) :: surf ! Updated surface data |
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| 443 | TYPE(obs_surf),INTENT(INOUT) :: oldsurf ! Original surface data |
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| 444 | LOGICAL :: ldeallocate ! Deallocate the updated data of insertion |
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| 445 | INTEGER,INTENT(in) :: kumout ! Output unit |
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| 446 | |
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| 447 | !!* Local variables |
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| 448 | INTEGER :: ji |
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| 449 | INTEGER :: jj |
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| 450 | INTEGER :: jk |
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| 451 | |
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| 452 | ! Copy data from surf to old surf |
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| 453 | |
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| 454 | DO ji = 1, surf%nsurf |
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| 455 | |
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| 456 | jj=surf%nsind(ji) |
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| 457 | |
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| 458 | oldsurf%mi(jj) = surf%mi(ji) |
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| 459 | oldsurf%mj(jj) = surf%mj(ji) |
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| 460 | oldsurf%mt(jj) = surf%mt(ji) |
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| 461 | oldsurf%nsidx(jj) = surf%nsidx(ji) |
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| 462 | oldsurf%nsfil(jj) = surf%nsfil(ji) |
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| 463 | oldsurf%nyea(jj) = surf%nyea(ji) |
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| 464 | oldsurf%nmon(jj) = surf%nmon(ji) |
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| 465 | oldsurf%nday(jj) = surf%nday(ji) |
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| 466 | oldsurf%nhou(jj) = surf%nhou(ji) |
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| 467 | oldsurf%nmin(jj) = surf%nmin(ji) |
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| 468 | oldsurf%mstp(jj) = surf%mstp(ji) |
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| 469 | oldsurf%nqc(jj) = surf%nqc(ji) |
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| 470 | oldsurf%ntyp(jj) = surf%ntyp(ji) |
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| 471 | oldsurf%cwmo(jj) = surf%cwmo(ji) |
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| 472 | oldsurf%rlam(jj) = surf%rlam(ji) |
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| 473 | oldsurf%rphi(jj) = surf%rphi(ji) |
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| 474 | |
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| 475 | END DO |
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| 476 | |
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| 477 | DO jk = 1, surf%nvar |
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| 478 | |
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| 479 | DO ji = 1, surf%nsurf |
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| 480 | |
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| 481 | jj=surf%nsind(ji) |
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| 482 | |
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| 483 | oldsurf%robs(jj,jk) = surf%robs(ji,jk) |
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| 484 | oldsurf%rmod(jj,jk) = surf%rmod(ji,jk) |
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| 485 | |
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| 486 | END DO |
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| 487 | |
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| 488 | END DO |
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| 489 | |
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| 490 | DO jk = 1, surf%nextra |
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| 491 | |
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| 492 | DO ji = 1, surf%nsurf |
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| 493 | |
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| 494 | jj=surf%nsind(ji) |
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| 495 | |
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| 496 | oldsurf%rext(jj,jk) = surf%rext(ji,jk) |
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| 497 | |
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| 498 | END DO |
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| 499 | |
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| 500 | END DO |
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| 501 | |
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| 502 | ! Optionally deallocate the updated surface data |
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| 503 | |
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| 504 | IF ( ldeallocate ) CALL obs_surf_dealloc( surf ) |
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| 505 | |
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| 506 | END SUBROUTINE obs_surf_decompress |
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| 507 | |
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| 508 | END MODULE obs_surf_def |
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| 509 | |
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