| 1 | MODULE fldread |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE fldread *** |
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| 4 | !! Ocean forcing: read input field for surface boundary condition |
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| 5 | !!===================================================================== |
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| 6 | !! History : 2.0 ! 2006-06 (S. Masson, G. Madec) Original code |
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| 7 | !! 3.0 ! 2008-05 (S. Alderson) Modified for Interpolation in memory from input grid to model grid |
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| 8 | !! 3.4 ! 2013-10 (D. Delrosso, P. Oddo) suppression of land point prior to interpolation |
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| 9 | !! ! 12-2015 (J. Harle) Adding BDY on-the-fly interpolation |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! fld_read : read input fields used for the computation of the surface boundary condition |
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| 14 | !! fld_init : initialization of field read |
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| 15 | !! fld_rec : determined the record(s) to be read |
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| 16 | !! fld_get : read the data |
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| 17 | !! fld_map : read global data from file and map onto local data using a general mapping (use for open boundaries) |
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| 18 | !! fld_rot : rotate the vector fields onto the local grid direction |
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| 19 | !! fld_clopn : update the data file name and close/open the files |
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| 20 | !! fld_fill : fill the data structure with the associated information read in namelist |
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| 21 | !! wgt_list : manage the weights used for interpolation |
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| 22 | !! wgt_print : print the list of known weights |
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| 23 | !! fld_weight : create a WGT structure and fill in data from file, restructuring as required |
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| 24 | !! apply_seaoverland : fill land with ocean values |
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| 25 | !! seaoverland : create shifted matrices for seaoverland application |
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| 26 | !! fld_interp : apply weights to input gridded data to create data on model grid |
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| 27 | !! ksec_week : function returning the first 3 letters of the first day of the weekly file |
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| 28 | !!---------------------------------------------------------------------- |
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| 29 | USE oce ! ocean dynamics and tracers |
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| 30 | USE dom_oce ! ocean space and time domain |
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| 31 | USE phycst ! physical constant |
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| 32 | USE sbc_oce ! surface boundary conditions : fields |
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| 33 | USE geo2ocean ! for vector rotation on to model grid |
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| 34 | ! |
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| 35 | USE in_out_manager ! I/O manager |
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| 36 | USE iom ! I/O manager library |
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| 37 | USE ioipsl , ONLY : ymds2ju, ju2ymds ! for calendar |
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| 38 | USE lib_mpp ! MPP library |
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| 39 | USE lbclnk ! ocean lateral boundary conditions (C1D case) |
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| 40 | |
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| 41 | IMPLICIT NONE |
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| 42 | PRIVATE |
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| 43 | |
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| 44 | PUBLIC fld_map ! routine called by tides_init |
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| 45 | PUBLIC fld_read, fld_fill ! called by sbc... modules |
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| 46 | PUBLIC fld_clopn |
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| 47 | |
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| 48 | TYPE, PUBLIC :: FLD_N !: Namelist field informations |
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| 49 | CHARACTER(len = 256) :: clname ! generic name of the NetCDF flux file |
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| 50 | REAL(wp) :: freqh ! frequency of each flux file |
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| 51 | CHARACTER(len = 34) :: clvar ! generic name of the variable in the NetCDF flux file |
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| 52 | LOGICAL :: ln_tint ! time interpolation or not (T/F) |
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| 53 | LOGICAL :: ln_clim ! climatology or not (T/F) |
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| 54 | CHARACTER(len = 8) :: cltype ! type of data file 'daily', 'monthly' or yearly' |
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| 55 | CHARACTER(len = 256) :: wname ! generic name of a NetCDF weights file to be used, blank if not |
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| 56 | CHARACTER(len = 34) :: vcomp ! symbolic component name if a vector that needs rotation |
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| 57 | ! ! a string starting with "U" or "V" for each component |
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| 58 | ! ! chars 2 onwards identify which components go together |
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| 59 | CHARACTER(len = 34) :: lname ! generic name of a NetCDF land/sea mask file to be used, blank if not |
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| 60 | ! ! 0=sea 1=land |
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| 61 | END TYPE FLD_N |
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| 62 | |
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| 63 | TYPE, PUBLIC :: FLD !: Input field related variables |
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| 64 | CHARACTER(len = 256) :: clrootname ! generic name of the NetCDF file |
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| 65 | CHARACTER(len = 256) :: clname ! current name of the NetCDF file |
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| 66 | REAL(wp) :: freqh ! frequency of each flux file |
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| 67 | CHARACTER(len = 34) :: clvar ! generic name of the variable in the NetCDF flux file |
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| 68 | LOGICAL :: ln_tint ! time interpolation or not (T/F) |
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| 69 | LOGICAL :: ln_clim ! climatology or not (T/F) |
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| 70 | CHARACTER(len = 8) :: cltype ! type of data file 'daily', 'monthly' or yearly' |
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| 71 | INTEGER :: num ! iom id of the jpfld files to be read |
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| 72 | INTEGER , DIMENSION(2) :: nrec_b ! before record (1: index, 2: second since Jan. 1st 00h of nit000 year) |
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| 73 | INTEGER , DIMENSION(2) :: nrec_a ! after record (1: index, 2: second since Jan. 1st 00h of nit000 year) |
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| 74 | REAL(wp) , ALLOCATABLE, DIMENSION(:,:,: ) :: fnow ! input fields interpolated to now time step |
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| 75 | REAL(wp) , ALLOCATABLE, DIMENSION(:,:,:,:) :: fdta ! 2 consecutive record of input fields |
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| 76 | CHARACTER(len = 256) :: wgtname ! current name of the NetCDF weight file acting as a key |
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| 77 | ! ! into the WGTLIST structure |
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| 78 | CHARACTER(len = 34) :: vcomp ! symbolic name for a vector component that needs rotation |
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| 79 | LOGICAL, DIMENSION(2) :: rotn ! flag to indicate whether before/after field has been rotated |
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| 80 | INTEGER :: nreclast ! last record to be read in the current file |
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| 81 | CHARACTER(len = 256) :: lsmname ! current name of the NetCDF mask file acting as a key |
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| 82 | ! ! |
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| 83 | ! ! Variables related to BDY |
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| 84 | INTEGER :: igrd ! grid type for bdy data |
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| 85 | INTEGER :: ibdy ! bdy set id number |
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| 86 | INTEGER, POINTER, DIMENSION(:) :: imap ! Array of integer pointers to 1D arrays |
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| 87 | LOGICAL :: ltotvel ! total velocity or not (T/F) |
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| 88 | LOGICAL :: lzint ! T if it requires a vertical interpolation |
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| 89 | END TYPE FLD |
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| 90 | |
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| 91 | !$AGRIF_DO_NOT_TREAT |
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| 92 | |
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| 93 | !! keep list of all weights variables so they're only read in once |
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| 94 | !! need to add AGRIF directives not to process this structure |
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| 95 | !! also need to force wgtname to include AGRIF nest number |
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| 96 | TYPE :: WGT !: Input weights related variables |
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| 97 | CHARACTER(len = 256) :: wgtname ! current name of the NetCDF weight file |
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| 98 | INTEGER , DIMENSION(2) :: ddims ! shape of input grid |
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| 99 | INTEGER , DIMENSION(2) :: botleft ! top left corner of box in input grid containing |
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| 100 | ! ! current processor grid |
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| 101 | INTEGER , DIMENSION(2) :: topright ! top right corner of box |
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| 102 | INTEGER :: jpiwgt ! width of box on input grid |
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| 103 | INTEGER :: jpjwgt ! height of box on input grid |
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| 104 | INTEGER :: numwgt ! number of weights (4=bilinear, 16=bicubic) |
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| 105 | INTEGER :: nestid ! for agrif, keep track of nest we're in |
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| 106 | INTEGER :: overlap ! =0 when cyclic grid has no overlapping EW columns |
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| 107 | ! ! =>1 when they have one or more overlapping columns |
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| 108 | ! ! =-1 not cyclic |
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| 109 | LOGICAL :: cyclic ! east-west cyclic or not |
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| 110 | INTEGER, DIMENSION(:,:,:), POINTER :: data_jpi ! array of source integers |
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| 111 | INTEGER, DIMENSION(:,:,:), POINTER :: data_jpj ! array of source integers |
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| 112 | REAL(wp), DIMENSION(:,:,:), POINTER :: data_wgt ! array of weights on model grid |
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| 113 | REAL(wp), DIMENSION(:,:,:), POINTER :: fly_dta ! array of values on input grid |
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| 114 | REAL(wp), DIMENSION(:,:,:), POINTER :: col ! temporary array for reading in columns |
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| 115 | END TYPE WGT |
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| 116 | |
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| 117 | INTEGER, PARAMETER :: tot_wgts = 20 |
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| 118 | TYPE( WGT ), DIMENSION(tot_wgts) :: ref_wgts ! array of wgts |
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| 119 | INTEGER :: nxt_wgt = 1 ! point to next available space in ref_wgts array |
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| 120 | REAL(wp), PARAMETER :: undeff_lsm = -999.00_wp |
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| 121 | |
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| 122 | !$AGRIF_END_DO_NOT_TREAT |
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| 123 | |
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| 124 | !!---------------------------------------------------------------------- |
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| 125 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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| 126 | !! $Id$ |
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| 127 | !! Software governed by the CeCILL license (see ./LICENSE) |
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| 128 | !!---------------------------------------------------------------------- |
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| 129 | CONTAINS |
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| 130 | |
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| 131 | SUBROUTINE fld_read( kt, kn_fsbc, sd, kit, kt_offset ) |
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| 132 | !!--------------------------------------------------------------------- |
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| 133 | !! *** ROUTINE fld_read *** |
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| 134 | !! |
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| 135 | !! ** Purpose : provide at each time step the surface ocean fluxes |
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| 136 | !! (momentum, heat, freshwater and runoff) |
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| 137 | !! |
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| 138 | !! ** Method : READ each input fields in NetCDF files using IOM |
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| 139 | !! and intepolate it to the model time-step. |
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| 140 | !! Several assumptions are made on the input file: |
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| 141 | !! blahblahblah.... |
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| 142 | !!---------------------------------------------------------------------- |
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| 143 | INTEGER , INTENT(in ) :: kt ! ocean time step |
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| 144 | INTEGER , INTENT(in ) :: kn_fsbc ! sbc computation period (in time step) |
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| 145 | TYPE(FLD), INTENT(inout), DIMENSION(:) :: sd ! input field related variables |
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| 146 | INTEGER , INTENT(in ), OPTIONAL :: kit ! subcycle timestep for timesplitting option |
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| 147 | INTEGER , INTENT(in ), OPTIONAL :: kt_offset ! provide fields at time other than "now" |
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| 148 | ! ! kt_offset = -1 => fields at "before" time level |
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| 149 | ! ! kt_offset = +1 => fields at "after" time level |
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| 150 | ! ! etc. |
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| 151 | !! |
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| 152 | INTEGER :: itmp ! local variable |
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| 153 | INTEGER :: imf ! size of the structure sd |
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| 154 | INTEGER :: jf ! dummy indices |
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| 155 | INTEGER :: isecend ! number of second since Jan. 1st 00h of nit000 year at nitend |
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| 156 | INTEGER :: isecsbc ! number of seconds between Jan. 1st 00h of nit000 year and the middle of sbc time step |
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| 157 | INTEGER :: it_offset ! local time offset variable |
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| 158 | LOGICAL :: llnxtyr ! open next year file? |
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| 159 | LOGICAL :: llnxtmth ! open next month file? |
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| 160 | LOGICAL :: llstop ! stop is the file does not exist |
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| 161 | LOGICAL :: ll_firstcall ! true if this is the first call to fld_read for this set of fields |
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| 162 | REAL(wp) :: ztinta ! ratio applied to after records when doing time interpolation |
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| 163 | REAL(wp) :: ztintb ! ratio applied to before records when doing time interpolation |
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| 164 | CHARACTER(LEN=1000) :: clfmt ! write format |
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| 165 | !!--------------------------------------------------------------------- |
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| 166 | ll_firstcall = kt == nit000 |
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| 167 | IF( PRESENT(kit) ) ll_firstcall = ll_firstcall .and. kit == 1 |
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| 168 | |
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| 169 | IF ( nn_components == jp_iam_sas ) THEN ; it_offset = nn_fsbc |
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| 170 | ELSE ; it_offset = 0 |
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| 171 | ENDIF |
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| 172 | IF( PRESENT(kt_offset) ) it_offset = kt_offset |
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| 173 | |
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| 174 | ! Note that shifting time to be centrered in the middle of sbc time step impacts only nsec_* variables of the calendar |
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| 175 | IF( present(kit) ) THEN ! ignore kn_fsbc in this case |
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| 176 | isecsbc = nsec_year + nsec1jan000 + (kit+it_offset)*NINT( rdt/REAL(nn_baro,wp) ) |
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| 177 | ELSE ! middle of sbc time step |
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| 178 | isecsbc = nsec_year + nsec1jan000 + NINT(0.5 * REAL(kn_fsbc - 1,wp) * rdt) + it_offset * NINT(rdt) |
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| 179 | ENDIF |
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| 180 | imf = SIZE( sd ) |
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| 181 | ! |
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| 182 | IF( ll_firstcall ) THEN ! initialization |
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| 183 | DO jf = 1, imf |
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| 184 | IF( TRIM(sd(jf)%clrootname) == 'NOT USED' ) CYCLE |
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| 185 | CALL fld_init( kn_fsbc, sd(jf) ) ! read each before field (put them in after as they will be swapped) |
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| 186 | END DO |
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| 187 | IF( lwp ) CALL wgt_print() ! control print |
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| 188 | ENDIF |
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| 189 | ! ! ====================================== ! |
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| 190 | IF( MOD( kt-1, kn_fsbc ) == 0 ) THEN ! update field at each kn_fsbc time-step ! |
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| 191 | ! ! ====================================== ! |
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| 192 | ! |
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| 193 | DO jf = 1, imf ! --- loop over field --- ! |
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| 194 | |
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| 195 | IF( TRIM(sd(jf)%clrootname) == 'NOT USED' ) CYCLE |
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| 196 | |
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| 197 | IF( isecsbc > sd(jf)%nrec_a(2) .OR. ll_firstcall ) THEN ! read/update the after data? |
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| 198 | |
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| 199 | sd(jf)%nrec_b(:) = sd(jf)%nrec_a(:) ! swap before record informations |
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| 200 | sd(jf)%rotn(1) = sd(jf)%rotn(2) ! swap before rotate informations |
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| 201 | IF( sd(jf)%ln_tint ) sd(jf)%fdta(:,:,:,1) = sd(jf)%fdta(:,:,:,2) ! swap before record field |
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| 202 | |
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| 203 | CALL fld_rec( kn_fsbc, sd(jf), kt_offset = it_offset, kit = kit ) ! update after record informations |
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| 204 | |
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| 205 | ! if kn_fsbc*rdt is larger than freqh (which is kind of odd), |
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| 206 | ! it is possible that the before value is no more the good one... we have to re-read it |
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| 207 | ! if before is not the last record of the file currently opened and after is the first record to be read |
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| 208 | ! in a new file which means after = 1 (the file to be opened corresponds to the current time) |
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| 209 | ! or after = nreclast + 1 (the file to be opened corresponds to a future time step) |
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| 210 | IF( .NOT. ll_firstcall .AND. sd(jf)%ln_tint .AND. sd(jf)%nrec_b(1) /= sd(jf)%nreclast & |
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| 211 | & .AND. MOD( sd(jf)%nrec_a(1), sd(jf)%nreclast ) == 1 ) THEN |
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| 212 | itmp = sd(jf)%nrec_a(1) ! temporary storage |
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| 213 | sd(jf)%nrec_a(1) = sd(jf)%nreclast ! read the last record of the file currently opened |
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| 214 | CALL fld_get( sd(jf) ) ! read after data |
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| 215 | sd(jf)%fdta(:,:,:,1) = sd(jf)%fdta(:,:,:,2) ! re-swap before record field |
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| 216 | sd(jf)%nrec_b(1) = sd(jf)%nrec_a(1) ! update before record informations |
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| 217 | sd(jf)%nrec_b(2) = sd(jf)%nrec_a(2) - NINT( sd(jf)%freqh * 3600. ) ! assume freq to be in hours in this case |
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| 218 | sd(jf)%rotn(1) = sd(jf)%rotn(2) ! update before rotate informations |
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| 219 | sd(jf)%nrec_a(1) = itmp ! move back to after record |
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| 220 | ENDIF |
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| 221 | |
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| 222 | CALL fld_clopn( sd(jf) ) ! Do we need to open a new year/month/week/day file? |
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| 223 | |
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| 224 | IF( sd(jf)%ln_tint ) THEN |
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| 225 | |
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| 226 | ! if kn_fsbc*rdt is larger than freqh (which is kind of odd), |
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| 227 | ! it is possible that the before value is no more the good one... we have to re-read it |
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| 228 | ! if before record is not just just before the after record... |
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| 229 | IF( .NOT. ll_firstcall .AND. MOD( sd(jf)%nrec_a(1), sd(jf)%nreclast ) /= 1 & |
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| 230 | & .AND. sd(jf)%nrec_b(1) /= sd(jf)%nrec_a(1) - 1 ) THEN |
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| 231 | sd(jf)%nrec_a(1) = sd(jf)%nrec_a(1) - 1 ! move back to before record |
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| 232 | CALL fld_get( sd(jf) ) ! read after data |
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| 233 | sd(jf)%fdta(:,:,:,1) = sd(jf)%fdta(:,:,:,2) ! re-swap before record field |
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| 234 | sd(jf)%nrec_b(1) = sd(jf)%nrec_a(1) ! update before record informations |
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| 235 | sd(jf)%nrec_b(2) = sd(jf)%nrec_a(2) - NINT( sd(jf)%freqh * 3600. ) ! assume freq to be in hours in this case |
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| 236 | sd(jf)%rotn(1) = sd(jf)%rotn(2) ! update before rotate informations |
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| 237 | sd(jf)%nrec_a(1) = sd(jf)%nrec_a(1) + 1 ! move back to after record |
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| 238 | ENDIF |
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| 239 | ENDIF ! temporal interpolation? |
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| 240 | |
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| 241 | ! do we have to change the year/month/week/day of the forcing field?? |
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| 242 | ! if we do time interpolation we will need to open next year/month/week/day file before the end of the current |
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| 243 | ! one. If so, we are still before the end of the year/month/week/day when calling fld_rec so sd(jf)%nrec_a(1) |
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| 244 | ! will be larger than the record number that should be read for current year/month/week/day |
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| 245 | ! do we need next file data? |
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| 246 | ! This applies to both cases with or without time interpolation |
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| 247 | IF( sd(jf)%nrec_a(1) > sd(jf)%nreclast ) THEN |
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| 248 | |
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| 249 | sd(jf)%nrec_a(1) = sd(jf)%nrec_a(1) - sd(jf)%nreclast ! |
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| 250 | |
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| 251 | IF( .NOT. ( sd(jf)%ln_clim .AND. sd(jf)%cltype == 'yearly' ) ) THEN ! close/open the current/new file |
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| 252 | |
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| 253 | llnxtmth = sd(jf)%cltype == 'monthly' .OR. nday == nmonth_len(nmonth) ! open next month file? |
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| 254 | llnxtyr = sd(jf)%cltype == 'yearly' .OR. (nmonth == 12 .AND. llnxtmth) ! open next year file? |
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| 255 | |
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| 256 | ! if the run finishes at the end of the current year/month/week/day, we will allow next |
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| 257 | ! year/month/week/day file to be not present. If the run continue further than the current |
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| 258 | ! year/month/week/day, next year/month/week/day file must exist |
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| 259 | isecend = nsec_year + nsec1jan000 + (nitend - kt) * NINT(rdt) ! second at the end of the run |
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| 260 | llstop = isecend > sd(jf)%nrec_a(2) ! read more than 1 record of next year |
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| 261 | ! we suppose that the date of next file is next day (should be ok even for weekly files...) |
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| 262 | CALL fld_clopn( sd(jf), nyear + COUNT((/llnxtyr /)) , & |
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| 263 | & nmonth + COUNT((/llnxtmth/)) - 12 * COUNT((/llnxtyr /)), & |
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| 264 | & nday + 1 - nmonth_len(nmonth) * COUNT((/llnxtmth/)), llstop ) |
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| 265 | |
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| 266 | IF( sd(jf)%num <= 0 .AND. .NOT. llstop ) THEN ! next year file does not exist |
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| 267 | CALL ctl_warn('next year/month/week/day file: '//TRIM(sd(jf)%clname)// & |
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| 268 | & ' not present -> back to current year/month/day') |
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| 269 | CALL fld_clopn( sd(jf) ) ! back to the current year/month/day |
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| 270 | sd(jf)%nrec_a(1) = sd(jf)%nreclast ! force to read the last record in the current year file |
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| 271 | ENDIF |
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| 272 | |
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| 273 | ENDIF |
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| 274 | ENDIF ! open need next file? |
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| 275 | |
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| 276 | ! read after data |
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| 277 | CALL fld_get( sd(jf) ) |
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| 278 | |
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| 279 | ENDIF ! read new data? |
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| 280 | END DO ! --- end loop over field --- ! |
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| 281 | |
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| 282 | CALL fld_rot( kt, sd ) ! rotate vector before/now/after fields if needed |
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| 283 | |
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| 284 | DO jf = 1, imf ! --- loop over field --- ! |
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| 285 | ! |
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| 286 | IF( TRIM(sd(jf)%clrootname) == 'NOT USED' ) CYCLE |
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| 287 | ! |
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| 288 | IF( sd(jf)%ln_tint ) THEN ! temporal interpolation |
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| 289 | IF(lwp .AND. kt - nit000 <= 100 ) THEN |
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| 290 | clfmt = "(' fld_read: var ', a, ' kt = ', i8, ' (', f9.4,' days), Y/M/D = ', i4.4,'/', i2.2,'/', i2.2," // & |
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| 291 | & "', records b/a: ', i6.4, '/', i6.4, ' (days ', f9.4,'/', f9.4, ')')" |
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| 292 | WRITE(numout, clfmt) TRIM( sd(jf)%clvar ), kt, REAL(isecsbc,wp)/rday, nyear, nmonth, nday, & |
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| 293 | & sd(jf)%nrec_b(1), sd(jf)%nrec_a(1), REAL(sd(jf)%nrec_b(2),wp)/rday, REAL(sd(jf)%nrec_a(2),wp)/rday |
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| 294 | WRITE(numout, *) ' it_offset is : ',it_offset |
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| 295 | ENDIF |
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| 296 | ! temporal interpolation weights |
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| 297 | ztinta = REAL( isecsbc - sd(jf)%nrec_b(2), wp ) / REAL( sd(jf)%nrec_a(2) - sd(jf)%nrec_b(2), wp ) |
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| 298 | ztintb = 1. - ztinta |
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| 299 | sd(jf)%fnow(:,:,:) = ztintb * sd(jf)%fdta(:,:,:,1) + ztinta * sd(jf)%fdta(:,:,:,2) |
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| 300 | ELSE ! nothing to do... |
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| 301 | IF(lwp .AND. kt - nit000 <= 100 ) THEN |
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| 302 | clfmt = "(' fld_read: var ', a, ' kt = ', i8,' (', f9.4,' days), Y/M/D = ', i4.4,'/', i2.2,'/', i2.2," // & |
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| 303 | & "', record: ', i6.4, ' (days ', f9.4, ' <-> ', f9.4, ')')" |
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| 304 | WRITE(numout, clfmt) TRIM(sd(jf)%clvar), kt, REAL(isecsbc,wp)/rday, nyear, nmonth, nday, & |
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| 305 | & sd(jf)%nrec_a(1), REAL(sd(jf)%nrec_b(2),wp)/rday, REAL(sd(jf)%nrec_a(2),wp)/rday |
|---|
| 306 | ENDIF |
|---|
| 307 | ENDIF |
|---|
| 308 | ! |
|---|
| 309 | IF( kt == nitend - kn_fsbc + 1 ) CALL iom_close( sd(jf)%num ) ! Close the input files |
|---|
| 310 | |
|---|
| 311 | END DO ! --- end loop over field --- ! |
|---|
| 312 | ! |
|---|
| 313 | ENDIF |
|---|
| 314 | ! |
|---|
| 315 | END SUBROUTINE fld_read |
|---|
| 316 | |
|---|
| 317 | |
|---|
| 318 | SUBROUTINE fld_init( kn_fsbc, sdjf ) |
|---|
| 319 | !!--------------------------------------------------------------------- |
|---|
| 320 | !! *** ROUTINE fld_init *** |
|---|
| 321 | !! |
|---|
| 322 | !! ** Purpose : - first call to fld_rec to define before values |
|---|
| 323 | !! - if time interpolation, read before data |
|---|
| 324 | !!---------------------------------------------------------------------- |
|---|
| 325 | INTEGER , INTENT(in ) :: kn_fsbc ! sbc computation period (in time step) |
|---|
| 326 | TYPE(FLD), INTENT(inout) :: sdjf ! input field related variables |
|---|
| 327 | !! |
|---|
| 328 | LOGICAL :: llprevyr ! are we reading previous year file? |
|---|
| 329 | LOGICAL :: llprevmth ! are we reading previous month file? |
|---|
| 330 | LOGICAL :: llprevweek ! are we reading previous week file? |
|---|
| 331 | LOGICAL :: llprevday ! are we reading previous day file? |
|---|
| 332 | LOGICAL :: llprev ! llprevyr .OR. llprevmth .OR. llprevweek .OR. llprevday |
|---|
| 333 | INTEGER :: idvar ! variable id |
|---|
| 334 | INTEGER :: inrec ! number of record existing for this variable |
|---|
| 335 | INTEGER :: iyear, imonth, iday ! first day of the current file in yyyy mm dd |
|---|
| 336 | INTEGER :: isec_week ! number of seconds since start of the weekly file |
|---|
| 337 | CHARACTER(LEN=1000) :: clfmt ! write format |
|---|
| 338 | !!--------------------------------------------------------------------- |
|---|
| 339 | ! |
|---|
| 340 | llprevyr = .FALSE. |
|---|
| 341 | llprevmth = .FALSE. |
|---|
| 342 | llprevweek = .FALSE. |
|---|
| 343 | llprevday = .FALSE. |
|---|
| 344 | isec_week = 0 |
|---|
| 345 | ! |
|---|
| 346 | ! define record informations |
|---|
| 347 | CALL fld_rec( kn_fsbc, sdjf, ldbefore = .TRUE. ) ! return before values in sdjf%nrec_a (as we will swap it later) |
|---|
| 348 | ! |
|---|
| 349 | ! Note that shifting time to be centrered in the middle of sbc time step impacts only nsec_* variables of the calendar |
|---|
| 350 | ! |
|---|
| 351 | IF( sdjf%ln_tint ) THEN ! we need to read the previous record and we will put it in the current record structure |
|---|
| 352 | ! |
|---|
| 353 | IF( sdjf%nrec_a(1) == 0 ) THEN ! we redefine record sdjf%nrec_a(1) with the last record of previous year file |
|---|
| 354 | IF ( NINT(sdjf%freqh) == -12 ) THEN ! yearly mean |
|---|
| 355 | IF( sdjf%cltype == 'yearly' ) THEN ! yearly file |
|---|
| 356 | sdjf%nrec_a(1) = 1 ! force to read the unique record |
|---|
| 357 | llprevyr = .NOT. sdjf%ln_clim ! use previous year file? |
|---|
| 358 | ELSE |
|---|
| 359 | CALL ctl_stop( "fld_init: yearly mean file must be in a yearly type of file: "//TRIM(sdjf%clrootname) ) |
|---|
| 360 | ENDIF |
|---|
| 361 | ELSEIF( NINT(sdjf%freqh) == -1 ) THEN ! monthly mean |
|---|
| 362 | IF( sdjf%cltype == 'monthly' ) THEN ! monthly file |
|---|
| 363 | sdjf%nrec_a(1) = 1 ! force to read the unique record |
|---|
| 364 | llprevmth = .TRUE. ! use previous month file? |
|---|
| 365 | llprevyr = llprevmth .AND. nmonth == 1 ! use previous year file? |
|---|
| 366 | ELSE ! yearly file |
|---|
| 367 | sdjf%nrec_a(1) = 12 ! force to read december mean |
|---|
| 368 | llprevyr = .NOT. sdjf%ln_clim ! use previous year file? |
|---|
| 369 | ENDIF |
|---|
| 370 | ELSE ! higher frequency mean (in hours) |
|---|
| 371 | IF ( sdjf%cltype == 'monthly' ) THEN ! monthly file |
|---|
| 372 | sdjf%nrec_a(1) = NINT( 24. * REAL(nmonth_len(nmonth-1),wp) / sdjf%freqh )! last record of previous month |
|---|
| 373 | llprevmth = .TRUE. ! use previous month file? |
|---|
| 374 | llprevyr = llprevmth .AND. nmonth == 1 ! use previous year file? |
|---|
| 375 | ELSEIF( sdjf%cltype(1:4) == 'week' ) THEN ! weekly file |
|---|
| 376 | llprevweek = .TRUE. ! use previous week file? |
|---|
| 377 | sdjf%nrec_a(1) = NINT( 24. * 7. / sdjf%freqh ) ! last record of previous week |
|---|
| 378 | isec_week = NINT(rday) * 7 ! add a shift toward previous week |
|---|
| 379 | ELSEIF( sdjf%cltype == 'daily' ) THEN ! daily file |
|---|
| 380 | sdjf%nrec_a(1) = NINT( 24. / sdjf%freqh ) ! last record of previous day |
|---|
| 381 | llprevday = .TRUE. ! use previous day file? |
|---|
| 382 | llprevmth = llprevday .AND. nday == 1 ! use previous month file? |
|---|
| 383 | llprevyr = llprevmth .AND. nmonth == 1 ! use previous year file? |
|---|
| 384 | ELSE ! yearly file |
|---|
| 385 | sdjf%nrec_a(1) = NINT( 24. * REAL(nyear_len(0),wp) / sdjf%freqh ) ! last record of previous year |
|---|
| 386 | llprevyr = .NOT. sdjf%ln_clim ! use previous year file? |
|---|
| 387 | ENDIF |
|---|
| 388 | ENDIF |
|---|
| 389 | ENDIF |
|---|
| 390 | ! |
|---|
| 391 | IF ( sdjf%cltype(1:4) == 'week' ) THEN |
|---|
| 392 | isec_week = isec_week + ksec_week( sdjf%cltype(6:8) ) ! second since the beginning of the week |
|---|
| 393 | llprevmth = isec_week > nsec_month ! longer time since the beginning of the week than the month |
|---|
| 394 | llprevyr = llprevmth .AND. nmonth == 1 |
|---|
| 395 | ENDIF |
|---|
| 396 | llprev = llprevyr .OR. llprevmth .OR. llprevweek .OR. llprevday |
|---|
| 397 | ! |
|---|
| 398 | iyear = nyear - COUNT((/llprevyr /)) |
|---|
| 399 | imonth = nmonth - COUNT((/llprevmth/)) + 12 * COUNT((/llprevyr /)) |
|---|
| 400 | iday = nday - COUNT((/llprevday/)) + nmonth_len(nmonth-1) * COUNT((/llprevmth/)) - isec_week / NINT(rday) |
|---|
| 401 | ! |
|---|
| 402 | CALL fld_clopn( sdjf, iyear, imonth, iday, .NOT. llprev ) |
|---|
| 403 | ! |
|---|
| 404 | ! if previous year/month/day file does not exist, we switch to the current year/month/day |
|---|
| 405 | IF( llprev .AND. sdjf%num <= 0 ) THEN |
|---|
| 406 | CALL ctl_warn( 'previous year/month/week/day file: '//TRIM(sdjf%clrootname)// & |
|---|
| 407 | & ' not present -> back to current year/month/week/day' ) |
|---|
| 408 | ! we force to read the first record of the current year/month/day instead of last record of previous year/month/day |
|---|
| 409 | llprev = .FALSE. |
|---|
| 410 | sdjf%nrec_a(1) = 1 |
|---|
| 411 | CALL fld_clopn( sdjf ) |
|---|
| 412 | ENDIF |
|---|
| 413 | ! |
|---|
| 414 | IF( llprev ) THEN ! check if the record sdjf%nrec_a(1) exists in the file |
|---|
| 415 | idvar = iom_varid( sdjf%num, sdjf%clvar ) ! id of the variable sdjf%clvar |
|---|
| 416 | IF( idvar <= 0 ) RETURN |
|---|
| 417 | inrec = iom_file( sdjf%num )%dimsz( iom_file( sdjf%num )%ndims(idvar), idvar ) ! size of the last dim of idvar |
|---|
| 418 | sdjf%nrec_a(1) = MIN( sdjf%nrec_a(1), inrec ) ! make sure we select an existing record |
|---|
| 419 | ENDIF |
|---|
| 420 | ! |
|---|
| 421 | ! read before data in after arrays(as we will swap it later) |
|---|
| 422 | CALL fld_get( sdjf ) |
|---|
| 423 | ! |
|---|
| 424 | clfmt = "(' fld_init : time-interpolation for ', a, ' read previous record = ', i6, ' at time = ', f7.2, ' days')" |
|---|
| 425 | IF(lwp) WRITE(numout, clfmt) TRIM(sdjf%clvar), sdjf%nrec_a(1), REAL(sdjf%nrec_a(2),wp)/rday |
|---|
| 426 | ! |
|---|
| 427 | ENDIF |
|---|
| 428 | ! |
|---|
| 429 | END SUBROUTINE fld_init |
|---|
| 430 | |
|---|
| 431 | |
|---|
| 432 | SUBROUTINE fld_rec( kn_fsbc, sdjf, ldbefore, kit, kt_offset ) |
|---|
| 433 | !!--------------------------------------------------------------------- |
|---|
| 434 | !! *** ROUTINE fld_rec *** |
|---|
| 435 | !! |
|---|
| 436 | !! ** Purpose : Compute |
|---|
| 437 | !! if sdjf%ln_tint = .TRUE. |
|---|
| 438 | !! nrec_a: record number and its time (nrec_b is obtained from nrec_a when swapping) |
|---|
| 439 | !! if sdjf%ln_tint = .FALSE. |
|---|
| 440 | !! nrec_a(1): record number |
|---|
| 441 | !! nrec_b(2) and nrec_a(2): time of the beginning and end of the record |
|---|
| 442 | !!---------------------------------------------------------------------- |
|---|
| 443 | INTEGER , INTENT(in ) :: kn_fsbc ! sbc computation period (in time step) |
|---|
| 444 | TYPE(FLD), INTENT(inout) :: sdjf ! input field related variables |
|---|
| 445 | LOGICAL , INTENT(in ), OPTIONAL :: ldbefore ! sent back before record values (default = .FALSE.) |
|---|
| 446 | INTEGER , INTENT(in ), OPTIONAL :: kit ! index of barotropic subcycle |
|---|
| 447 | ! ! used only if sdjf%ln_tint = .TRUE. |
|---|
| 448 | INTEGER , INTENT(in ), OPTIONAL :: kt_offset ! Offset of required time level compared to "now" |
|---|
| 449 | ! ! time level in units of time steps. |
|---|
| 450 | ! |
|---|
| 451 | LOGICAL :: llbefore ! local definition of ldbefore |
|---|
| 452 | INTEGER :: iendrec ! end of this record (in seconds) |
|---|
| 453 | INTEGER :: imth ! month number |
|---|
| 454 | INTEGER :: ifreq_sec ! frequency mean (in seconds) |
|---|
| 455 | INTEGER :: isec_week ! number of seconds since the start of the weekly file |
|---|
| 456 | INTEGER :: it_offset ! local time offset variable |
|---|
| 457 | REAL(wp) :: ztmp ! temporary variable |
|---|
| 458 | !!---------------------------------------------------------------------- |
|---|
| 459 | ! |
|---|
| 460 | ! Note that shifting time to be centrered in the middle of sbc time step impacts only nsec_* variables of the calendar |
|---|
| 461 | ! |
|---|
| 462 | IF( PRESENT(ldbefore) ) THEN ; llbefore = ldbefore .AND. sdjf%ln_tint ! needed only if sdjf%ln_tint = .TRUE. |
|---|
| 463 | ELSE ; llbefore = .FALSE. |
|---|
| 464 | ENDIF |
|---|
| 465 | ! |
|---|
| 466 | IF ( nn_components == jp_iam_sas ) THEN ; it_offset = nn_fsbc |
|---|
| 467 | ELSE ; it_offset = 0 |
|---|
| 468 | ENDIF |
|---|
| 469 | IF( PRESENT(kt_offset) ) it_offset = kt_offset |
|---|
| 470 | IF( PRESENT(kit) ) THEN ; it_offset = ( kit + it_offset ) * NINT( rdt/REAL(nn_baro,wp) ) |
|---|
| 471 | ELSE ; it_offset = it_offset * NINT( rdt ) |
|---|
| 472 | ENDIF |
|---|
| 473 | ! |
|---|
| 474 | ! ! =========== ! |
|---|
| 475 | IF ( NINT(sdjf%freqh) == -12 ) THEN ! yearly mean |
|---|
| 476 | ! ! =========== ! |
|---|
| 477 | ! |
|---|
| 478 | IF( sdjf%ln_tint ) THEN ! time interpolation, shift by 1/2 record |
|---|
| 479 | ! |
|---|
| 480 | ! INT( ztmp ) |
|---|
| 481 | ! /|\ |
|---|
| 482 | ! 1 | *---- |
|---|
| 483 | ! 0 |----( |
|---|
| 484 | ! |----+----|--> time |
|---|
| 485 | ! 0 /|\ 1 (nday/nyear_len(1)) |
|---|
| 486 | ! | |
|---|
| 487 | ! | |
|---|
| 488 | ! forcing record : 1 |
|---|
| 489 | ! |
|---|
| 490 | ztmp = REAL( nsec_year, wp ) / ( REAL( nyear_len(1), wp ) * rday ) + 0.5 & |
|---|
| 491 | & + REAL( it_offset, wp ) / ( REAL( nyear_len(1), wp ) * rday ) |
|---|
| 492 | sdjf%nrec_a(1) = 1 + INT( ztmp ) - COUNT((/llbefore/)) |
|---|
| 493 | ! swap at the middle of the year |
|---|
| 494 | IF( llbefore ) THEN ; sdjf%nrec_a(2) = nsec1jan000 - (1 - INT(ztmp)) * NINT(0.5 * rday) * nyear_len(0) + & |
|---|
| 495 | & INT(ztmp) * NINT( 0.5 * rday) * nyear_len(1) |
|---|
| 496 | ELSE ; sdjf%nrec_a(2) = nsec1jan000 + (1 - INT(ztmp)) * NINT(0.5 * rday) * nyear_len(1) + & |
|---|
| 497 | & INT(ztmp) * INT(rday) * nyear_len(1) + INT(ztmp) * NINT( 0.5 * rday) * nyear_len(2) |
|---|
| 498 | ENDIF |
|---|
| 499 | ELSE ! no time interpolation |
|---|
| 500 | sdjf%nrec_a(1) = 1 |
|---|
| 501 | sdjf%nrec_a(2) = NINT(rday) * nyear_len(1) + nsec1jan000 ! swap at the end of the year |
|---|
| 502 | sdjf%nrec_b(2) = nsec1jan000 ! beginning of the year (only for print) |
|---|
| 503 | ENDIF |
|---|
| 504 | ! |
|---|
| 505 | ! ! ============ ! |
|---|
| 506 | ELSEIF( NINT(sdjf%freqh) == -1 ) THEN ! monthly mean ! |
|---|
| 507 | ! ! ============ ! |
|---|
| 508 | ! |
|---|
| 509 | IF( sdjf%ln_tint ) THEN ! time interpolation, shift by 1/2 record |
|---|
| 510 | ! |
|---|
| 511 | ! INT( ztmp ) |
|---|
| 512 | ! /|\ |
|---|
| 513 | ! 1 | *---- |
|---|
| 514 | ! 0 |----( |
|---|
| 515 | ! |----+----|--> time |
|---|
| 516 | ! 0 /|\ 1 (nday/nmonth_len(nmonth)) |
|---|
| 517 | ! | |
|---|
| 518 | ! | |
|---|
| 519 | ! forcing record : nmonth |
|---|
| 520 | ! |
|---|
| 521 | ztmp = REAL( nsec_month, wp ) / ( REAL( nmonth_len(nmonth), wp ) * rday ) + 0.5 & |
|---|
| 522 | & + REAL( it_offset, wp ) / ( REAL( nmonth_len(nmonth), wp ) * rday ) |
|---|
| 523 | imth = nmonth + INT( ztmp ) - COUNT((/llbefore/)) |
|---|
| 524 | IF( sdjf%cltype == 'monthly' ) THEN ; sdjf%nrec_a(1) = 1 + INT( ztmp ) - COUNT((/llbefore/)) |
|---|
| 525 | ELSE ; sdjf%nrec_a(1) = imth |
|---|
| 526 | ENDIF |
|---|
| 527 | sdjf%nrec_a(2) = nmonth_half( imth ) + nsec1jan000 ! swap at the middle of the month |
|---|
| 528 | ELSE ! no time interpolation |
|---|
| 529 | IF( sdjf%cltype == 'monthly' ) THEN ; sdjf%nrec_a(1) = 1 |
|---|
| 530 | ELSE ; sdjf%nrec_a(1) = nmonth |
|---|
| 531 | ENDIF |
|---|
| 532 | sdjf%nrec_a(2) = nmonth_end(nmonth ) + nsec1jan000 ! swap at the end of the month |
|---|
| 533 | sdjf%nrec_b(2) = nmonth_end(nmonth-1) + nsec1jan000 ! beginning of the month (only for print) |
|---|
| 534 | ENDIF |
|---|
| 535 | ! |
|---|
| 536 | ! ! ================================ ! |
|---|
| 537 | ELSE ! higher frequency mean (in hours) |
|---|
| 538 | ! ! ================================ ! |
|---|
| 539 | ! |
|---|
| 540 | ifreq_sec = NINT( sdjf%freqh * 3600. ) ! frequency mean (in seconds) |
|---|
| 541 | IF( sdjf%cltype(1:4) == 'week' ) isec_week = ksec_week( sdjf%cltype(6:8) ) ! since the first day of the current week |
|---|
| 542 | ! number of second since the beginning of the file |
|---|
| 543 | IF( sdjf%cltype == 'monthly' ) THEN ; ztmp = REAL(nsec_month,wp) ! since the first day of the current month |
|---|
| 544 | ELSEIF( sdjf%cltype(1:4) == 'week' ) THEN ; ztmp = REAL(isec_week ,wp) ! since the first day of the current week |
|---|
| 545 | ELSEIF( sdjf%cltype == 'daily' ) THEN ; ztmp = REAL(nsec_day ,wp) ! since 00h of the current day |
|---|
| 546 | ELSE ; ztmp = REAL(nsec_year ,wp) ! since 00h on Jan 1 of the current year |
|---|
| 547 | ENDIF |
|---|
| 548 | ztmp = ztmp + 0.5 * REAL(kn_fsbc - 1, wp) * rdt + REAL( it_offset, wp ) ! centrered in the middle of sbc time step |
|---|
| 549 | ztmp = ztmp + 0.01 * rdt ! avoid truncation error |
|---|
| 550 | IF( sdjf%ln_tint ) THEN ! time interpolation, shift by 1/2 record |
|---|
| 551 | ! |
|---|
| 552 | ! INT( ztmp/ifreq_sec + 0.5 ) |
|---|
| 553 | ! /|\ |
|---|
| 554 | ! 2 | *-----( |
|---|
| 555 | ! 1 | *-----( |
|---|
| 556 | ! 0 |--( |
|---|
| 557 | ! |--+--|--+--|--+--|--> time |
|---|
| 558 | ! 0 /|\ 1 /|\ 2 /|\ 3 (ztmp/ifreq_sec) |
|---|
| 559 | ! | | | |
|---|
| 560 | ! | | | |
|---|
| 561 | ! forcing record : 1 2 3 |
|---|
| 562 | ! |
|---|
| 563 | ztmp= ztmp / REAL(ifreq_sec, wp) + 0.5 |
|---|
| 564 | ELSE ! no time interpolation |
|---|
| 565 | ! |
|---|
| 566 | ! INT( ztmp/ifreq_sec ) |
|---|
| 567 | ! /|\ |
|---|
| 568 | ! 2 | *-----( |
|---|
| 569 | ! 1 | *-----( |
|---|
| 570 | ! 0 |-----( |
|---|
| 571 | ! |--+--|--+--|--+--|--> time |
|---|
| 572 | ! 0 /|\ 1 /|\ 2 /|\ 3 (ztmp/ifreq_sec) |
|---|
| 573 | ! | | | |
|---|
| 574 | ! | | | |
|---|
| 575 | ! forcing record : 1 2 3 |
|---|
| 576 | ! |
|---|
| 577 | ztmp= ztmp / REAL(ifreq_sec, wp) |
|---|
| 578 | ENDIF |
|---|
| 579 | sdjf%nrec_a(1) = 1 + INT( ztmp ) - COUNT((/llbefore/)) ! record number to be read |
|---|
| 580 | |
|---|
| 581 | iendrec = ifreq_sec * sdjf%nrec_a(1) + nsec1jan000 ! end of this record (in second) |
|---|
| 582 | ! add the number of seconds between 00h Jan 1 and the end of previous month/week/day (ok if nmonth=1) |
|---|
| 583 | IF( sdjf%cltype == 'monthly' ) iendrec = iendrec + NINT(rday) * SUM(nmonth_len(1:nmonth -1)) |
|---|
| 584 | IF( sdjf%cltype(1:4) == 'week' ) iendrec = iendrec + ( nsec_year - isec_week ) |
|---|
| 585 | IF( sdjf%cltype == 'daily' ) iendrec = iendrec + NINT(rday) * ( nday_year - 1 ) |
|---|
| 586 | IF( sdjf%ln_tint ) THEN |
|---|
| 587 | sdjf%nrec_a(2) = iendrec - ifreq_sec / 2 ! swap at the middle of the record |
|---|
| 588 | ELSE |
|---|
| 589 | sdjf%nrec_a(2) = iendrec ! swap at the end of the record |
|---|
| 590 | sdjf%nrec_b(2) = iendrec - ifreq_sec ! beginning of the record (only for print) |
|---|
| 591 | ENDIF |
|---|
| 592 | ! |
|---|
| 593 | ENDIF |
|---|
| 594 | ! |
|---|
| 595 | IF( .NOT. sdjf%ln_tint ) sdjf%nrec_a(2) = sdjf%nrec_a(2) - 1 ! last second belongs to bext record : *----( |
|---|
| 596 | ! |
|---|
| 597 | END SUBROUTINE fld_rec |
|---|
| 598 | |
|---|
| 599 | |
|---|
| 600 | SUBROUTINE fld_get( sdjf ) |
|---|
| 601 | !!--------------------------------------------------------------------- |
|---|
| 602 | !! *** ROUTINE fld_get *** |
|---|
| 603 | !! |
|---|
| 604 | !! ** Purpose : read the data |
|---|
| 605 | !!---------------------------------------------------------------------- |
|---|
| 606 | TYPE(FLD) , INTENT(inout) :: sdjf ! input field related variables |
|---|
| 607 | ! |
|---|
| 608 | INTEGER :: ipk ! number of vertical levels of sdjf%fdta ( 2D: ipk=1 ; 3D: ipk=jpk ) |
|---|
| 609 | INTEGER :: iw ! index into wgts array |
|---|
| 610 | INTEGER :: ipdom ! index of the domain |
|---|
| 611 | INTEGER :: idvar ! variable ID |
|---|
| 612 | INTEGER :: idmspc ! number of spatial dimensions |
|---|
| 613 | LOGICAL :: lmoor ! C1D case: point data |
|---|
| 614 | !!--------------------------------------------------------------------- |
|---|
| 615 | ! |
|---|
| 616 | ipk = SIZE( sdjf%fnow, 3 ) |
|---|
| 617 | ! |
|---|
| 618 | IF( ASSOCIATED(sdjf%imap) ) THEN |
|---|
| 619 | IF( sdjf%ln_tint ) THEN ; CALL fld_map( sdjf%num, sdjf%clvar, sdjf%fdta(:,:,:,2), sdjf%nrec_a(1), & |
|---|
| 620 | & sdjf%imap, sdjf%igrd, sdjf%ibdy, sdjf%ltotvel, sdjf%lzint ) |
|---|
| 621 | ELSE ; CALL fld_map( sdjf%num, sdjf%clvar, sdjf%fnow(:,:,: ), sdjf%nrec_a(1), & |
|---|
| 622 | & sdjf%imap, sdjf%igrd, sdjf%ibdy, sdjf%ltotvel, sdjf%lzint ) |
|---|
| 623 | ENDIF |
|---|
| 624 | ELSE IF( LEN(TRIM(sdjf%wgtname)) > 0 ) THEN |
|---|
| 625 | CALL wgt_list( sdjf, iw ) |
|---|
| 626 | IF( sdjf%ln_tint ) THEN ; CALL fld_interp( sdjf%num, sdjf%clvar, iw, ipk, sdjf%fdta(:,:,:,2), & |
|---|
| 627 | & sdjf%nrec_a(1), sdjf%lsmname ) |
|---|
| 628 | ELSE ; CALL fld_interp( sdjf%num, sdjf%clvar, iw, ipk, sdjf%fnow(:,:,: ), & |
|---|
| 629 | & sdjf%nrec_a(1), sdjf%lsmname ) |
|---|
| 630 | ENDIF |
|---|
| 631 | ELSE |
|---|
| 632 | IF( SIZE(sdjf%fnow, 1) == jpi ) THEN ; ipdom = jpdom_data |
|---|
| 633 | ELSE ; ipdom = jpdom_unknown |
|---|
| 634 | ENDIF |
|---|
| 635 | ! C1D case: If product of spatial dimensions == ipk, then x,y are of |
|---|
| 636 | ! size 1 (point/mooring data): this must be read onto the central grid point |
|---|
| 637 | idvar = iom_varid( sdjf%num, sdjf%clvar ) |
|---|
| 638 | idmspc = iom_file ( sdjf%num )%ndims( idvar ) |
|---|
| 639 | IF( iom_file( sdjf%num )%luld( idvar ) ) idmspc = idmspc - 1 |
|---|
| 640 | lmoor = ( idmspc == 0 .OR. PRODUCT( iom_file( sdjf%num )%dimsz( 1:MAX(idmspc,1) ,idvar ) ) == ipk ) |
|---|
| 641 | ! |
|---|
| 642 | SELECT CASE( ipk ) |
|---|
| 643 | CASE(1) |
|---|
| 644 | IF( lk_c1d .AND. lmoor ) THEN |
|---|
| 645 | IF( sdjf%ln_tint ) THEN |
|---|
| 646 | CALL iom_get( sdjf%num, sdjf%clvar, sdjf%fdta(2,2,1,2), sdjf%nrec_a(1) ) |
|---|
| 647 | CALL lbc_lnk( 'fldread', sdjf%fdta(:,:,1,2),'Z',1. ) |
|---|
| 648 | ELSE |
|---|
| 649 | CALL iom_get( sdjf%num, sdjf%clvar, sdjf%fnow(2,2,1 ), sdjf%nrec_a(1) ) |
|---|
| 650 | CALL lbc_lnk( 'fldread', sdjf%fnow(:,:,1 ),'Z',1. ) |
|---|
| 651 | ENDIF |
|---|
| 652 | ELSE |
|---|
| 653 | IF( sdjf%ln_tint ) THEN ; CALL iom_get( sdjf%num, ipdom, sdjf%clvar, sdjf%fdta(:,:,1,2), sdjf%nrec_a(1) ) |
|---|
| 654 | ELSE ; CALL iom_get( sdjf%num, ipdom, sdjf%clvar, sdjf%fnow(:,:,1 ), sdjf%nrec_a(1) ) |
|---|
| 655 | ENDIF |
|---|
| 656 | ENDIF |
|---|
| 657 | CASE DEFAULT |
|---|
| 658 | IF (lk_c1d .AND. lmoor ) THEN |
|---|
| 659 | IF( sdjf%ln_tint ) THEN |
|---|
| 660 | CALL iom_get( sdjf%num, jpdom_unknown, sdjf%clvar, sdjf%fdta(2,2,:,2), sdjf%nrec_a(1) ) |
|---|
| 661 | CALL lbc_lnk( 'fldread', sdjf%fdta(:,:,:,2),'Z',1. ) |
|---|
| 662 | ELSE |
|---|
| 663 | CALL iom_get( sdjf%num, jpdom_unknown, sdjf%clvar, sdjf%fnow(2,2,: ), sdjf%nrec_a(1) ) |
|---|
| 664 | CALL lbc_lnk( 'fldread', sdjf%fnow(:,:,: ),'Z',1. ) |
|---|
| 665 | ENDIF |
|---|
| 666 | ELSE |
|---|
| 667 | IF( sdjf%ln_tint ) THEN ; CALL iom_get( sdjf%num, ipdom, sdjf%clvar, sdjf%fdta(:,:,:,2), sdjf%nrec_a(1) ) |
|---|
| 668 | ELSE ; CALL iom_get( sdjf%num, ipdom, sdjf%clvar, sdjf%fnow(:,:,: ), sdjf%nrec_a(1) ) |
|---|
| 669 | ENDIF |
|---|
| 670 | ENDIF |
|---|
| 671 | END SELECT |
|---|
| 672 | ENDIF |
|---|
| 673 | ! |
|---|
| 674 | sdjf%rotn(2) = .false. ! vector not yet rotated |
|---|
| 675 | ! |
|---|
| 676 | END SUBROUTINE fld_get |
|---|
| 677 | |
|---|
| 678 | |
|---|
| 679 | SUBROUTINE fld_map( knum, cdvar, pdta, krec, kmap, kgrd, kbdy, ldtotvel, ldzint ) |
|---|
| 680 | !!--------------------------------------------------------------------- |
|---|
| 681 | !! *** ROUTINE fld_map *** |
|---|
| 682 | !! |
|---|
| 683 | !! ** Purpose : read global data from file and map onto local data |
|---|
| 684 | !! using a general mapping (for open boundaries) |
|---|
| 685 | !!---------------------------------------------------------------------- |
|---|
| 686 | INTEGER , INTENT(in ) :: knum ! stream number |
|---|
| 687 | CHARACTER(LEN=*) , INTENT(in ) :: cdvar ! variable name |
|---|
| 688 | REAL(wp), DIMENSION(:,:,:), INTENT( out) :: pdta ! bdy output field on model grid |
|---|
| 689 | INTEGER , INTENT(in ) :: krec ! record number to read (ie time slice) |
|---|
| 690 | INTEGER , DIMENSION(:) , INTENT(in ) :: kmap ! global-to-local bdy mapping indices |
|---|
| 691 | ! optional variables used for vertical interpolation: |
|---|
| 692 | INTEGER, OPTIONAL , INTENT(in ) :: kgrd ! grid type (t, u, v) |
|---|
| 693 | INTEGER, OPTIONAL , INTENT(in ) :: kbdy ! bdy number |
|---|
| 694 | LOGICAL, OPTIONAL , INTENT(in ) :: ldtotvel ! true if total ( = barotrop + barocline) velocity |
|---|
| 695 | LOGICAL, OPTIONAL , INTENT(in ) :: ldzint ! true if 3D variable requires a vertical interpolation |
|---|
| 696 | !! |
|---|
| 697 | INTEGER :: ipi ! length of boundary data on local process |
|---|
| 698 | INTEGER :: ipj ! length of dummy dimension ( = 1 ) |
|---|
| 699 | INTEGER :: ipk ! number of vertical levels of pdta ( 2D: ipk=1 ; 3D: ipk=jpk ) |
|---|
| 700 | INTEGER :: ipkb ! number of vertical levels in boundary data file |
|---|
| 701 | INTEGER :: idvar ! variable ID |
|---|
| 702 | INTEGER :: indims ! number of dimensions of the variable |
|---|
| 703 | INTEGER, DIMENSION(4) :: idimsz ! size of variable dimensions |
|---|
| 704 | REAL(wp) :: zfv ! fillvalue |
|---|
| 705 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zz_read ! work space for global boundary data |
|---|
| 706 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zdta_read ! work space local data requiring vertical interpolation |
|---|
| 707 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zdta_read_z ! work space local data requiring vertical interpolation |
|---|
| 708 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zdta_read_dz ! work space local data requiring vertical interpolation |
|---|
| 709 | CHARACTER(LEN=1),DIMENSION(3) :: clgrid |
|---|
| 710 | LOGICAL :: lluld ! is the variable using the unlimited dimension |
|---|
| 711 | LOGICAL :: llzint ! local value of ldzint |
|---|
| 712 | !!--------------------------------------------------------------------- |
|---|
| 713 | ! |
|---|
| 714 | clgrid = (/'t','u','v'/) |
|---|
| 715 | ! |
|---|
| 716 | ipi = SIZE( pdta, 1 ) |
|---|
| 717 | ipj = SIZE( pdta, 2 ) ! must be equal to 1 |
|---|
| 718 | ipk = SIZE( pdta, 3 ) |
|---|
| 719 | ! |
|---|
| 720 | llzint = .FALSE. |
|---|
| 721 | IF( PRESENT(ldzint) ) llzint = ldzint |
|---|
| 722 | ! |
|---|
| 723 | idvar = iom_varid( knum, cdvar, kndims = indims, kdimsz = idimsz, lduld = lluld ) |
|---|
| 724 | IF( indims == 4 .OR. ( indims == 3 .AND. .NOT. lluld ) ) THEN ; ipkb = idimsz(3) ! xy(zl)t or xy(zl) |
|---|
| 725 | ELSE ; ipkb = 1 ! xy or xyt |
|---|
| 726 | ENDIF |
|---|
| 727 | ! |
|---|
| 728 | ALLOCATE( zz_read( idimsz(1), idimsz(2), ipkb ) ) ! ++++++++ !!! this can be very big... |
|---|
| 729 | ! |
|---|
| 730 | IF( ipk == 1 ) THEN |
|---|
| 731 | |
|---|
| 732 | IF( ipkb /= 1 ) CALL ctl_stop( 'fld_map : we must have ipkb = 1 to read surface data' ) |
|---|
| 733 | CALL iom_get ( knum, jpdom_unknown, cdvar, zz_read(:,:,1), krec ) ! call iom_get with a 2D file |
|---|
| 734 | CALL fld_map_core( zz_read, kmap, pdta ) |
|---|
| 735 | |
|---|
| 736 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
|---|
| 737 | ! Do we include something here to adjust barotropic velocities ! |
|---|
| 738 | ! in case of a depth difference between bdy files and ! |
|---|
| 739 | ! bathymetry in the case ln_totvel = .false. and ipkb>0? ! |
|---|
| 740 | ! [as the enveloping and parital cells could change H] ! |
|---|
| 741 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
|---|
| 742 | |
|---|
| 743 | ELSE |
|---|
| 744 | ! |
|---|
| 745 | CALL iom_get ( knum, jpdom_unknown, cdvar, zz_read(:,:,:), krec ) ! call iom_get with a 3D file |
|---|
| 746 | ! |
|---|
| 747 | IF( ipkb /= ipk .OR. llzint ) THEN ! boundary data not on model vertical grid : vertical interpolation |
|---|
| 748 | ! |
|---|
| 749 | IF( ipk == jpk .AND. iom_varid(knum,'gdep'//clgrid(kgrd)) /= -1 .AND. iom_varid(knum,'e3'//clgrid(kgrd)) /= -1 ) THEN |
|---|
| 750 | |
|---|
| 751 | ALLOCATE( zdta_read(ipi,ipj,ipkb), zdta_read_z(ipi,ipj,ipkb), zdta_read_dz(ipi,ipj,ipkb) ) |
|---|
| 752 | |
|---|
| 753 | CALL fld_map_core( zz_read, kmap, zdta_read ) |
|---|
| 754 | CALL iom_get ( knum, jpdom_unknown, 'gdep'//clgrid(kgrd), zz_read ) ! read only once? Potential temporal evolution? |
|---|
| 755 | CALL fld_map_core( zz_read, kmap, zdta_read_z ) |
|---|
| 756 | CALL iom_get ( knum, jpdom_unknown, 'e3'//clgrid(kgrd), zz_read ) ! read only once? Potential temporal evolution? |
|---|
| 757 | CALL fld_map_core( zz_read, kmap, zdta_read_dz ) |
|---|
| 758 | |
|---|
| 759 | CALL iom_getatt(knum, '_FillValue', zfv, cdvar=cdvar ) |
|---|
| 760 | CALL fld_bdy_interp(zdta_read, zdta_read_z, zdta_read_dz, pdta, kgrd, kbdy, zfv, ldtotvel) |
|---|
| 761 | DEALLOCATE( zdta_read, zdta_read_z, zdta_read_dz ) |
|---|
| 762 | |
|---|
| 763 | ELSE |
|---|
| 764 | IF( ipk /= jpk ) CALL ctl_stop( 'fld_map : this should be an impossible case...' ) |
|---|
| 765 | WRITE(ctmp1,*) 'fld_map : vertical interpolation for bdy variable '//TRIM(cdvar)//' requires ' |
|---|
| 766 | IF( iom_varid(knum, 'gdep'//clgrid(kgrd)) == -1 ) CALL ctl_stop( ctmp1//'gdep'//clgrid(kgrd)//' variable' ) |
|---|
| 767 | IF( iom_varid(knum, 'e3'//clgrid(kgrd)) == -1 ) CALL ctl_stop( ctmp1// 'e3'//clgrid(kgrd)//' variable' ) |
|---|
| 768 | |
|---|
| 769 | ENDIF |
|---|
| 770 | ! |
|---|
| 771 | ELSE ! bdy data assumed to be the same levels as bdy variables |
|---|
| 772 | ! |
|---|
| 773 | CALL fld_map_core( zz_read, kmap, pdta ) |
|---|
| 774 | ! |
|---|
| 775 | ENDIF ! ipkb /= ipk |
|---|
| 776 | ENDIF ! ipk == 1 |
|---|
| 777 | |
|---|
| 778 | DEALLOCATE( zz_read ) |
|---|
| 779 | |
|---|
| 780 | END SUBROUTINE fld_map |
|---|
| 781 | |
|---|
| 782 | |
|---|
| 783 | SUBROUTINE fld_map_core( pdta_read, kmap, pdta_bdy ) |
|---|
| 784 | !!--------------------------------------------------------------------- |
|---|
| 785 | !! *** ROUTINE fld_map_core *** |
|---|
| 786 | !! |
|---|
| 787 | !! ** Purpose : inner core of fld_map |
|---|
| 788 | !!---------------------------------------------------------------------- |
|---|
| 789 | REAL(wp), DIMENSION(:,:,:), INTENT(in ) :: pdta_read ! global boundary data |
|---|
| 790 | INTEGER, DIMENSION(: ), INTENT(in ) :: kmap ! global-to-local bdy mapping indices |
|---|
| 791 | REAL(wp), DIMENSION(:,:,:), INTENT( out) :: pdta_bdy ! bdy output field on model grid |
|---|
| 792 | !! |
|---|
| 793 | INTEGER, DIMENSION(3) :: idim_read, idim_bdy ! arrays dimensions |
|---|
| 794 | INTEGER :: ji, jj, jk, jb ! loop counters |
|---|
| 795 | INTEGER :: im1 |
|---|
| 796 | !!--------------------------------------------------------------------- |
|---|
| 797 | ! |
|---|
| 798 | idim_read = SHAPE( pdta_read ) |
|---|
| 799 | idim_bdy = SHAPE( pdta_bdy ) |
|---|
| 800 | ! |
|---|
| 801 | ! in all cases: idim_bdy(2) == 1 .AND. idim_read(1) * idim_read(2) == idim_bdy(1) |
|---|
| 802 | ! structured BDY with rimwidth > 1 : idim_read(2) == rimwidth /= 1 |
|---|
| 803 | ! structured BDY with rimwidth == 1 or unstructured BDY: idim_read(2) == 1 |
|---|
| 804 | ! |
|---|
| 805 | IF( idim_read(2) > 1 ) THEN ! structured BDY with rimwidth > 1 |
|---|
| 806 | DO jk = 1, idim_bdy(3) |
|---|
| 807 | DO jb = 1, idim_bdy(1) |
|---|
| 808 | im1 = kmap(jb) - 1 |
|---|
| 809 | jj = im1 / idim_read(1) + 1 |
|---|
| 810 | ji = MOD( im1, idim_read(1) ) + 1 |
|---|
| 811 | pdta_bdy(jb,1,jk) = pdta_read(ji,jj,jk) |
|---|
| 812 | END DO |
|---|
| 813 | END DO |
|---|
| 814 | ELSE |
|---|
| 815 | DO jk = 1, idim_bdy(3) |
|---|
| 816 | DO jb = 1, idim_bdy(1) ! horizontal remap of bdy data on the local bdy |
|---|
| 817 | pdta_bdy(jb,1,jk) = pdta_read(kmap(jb),1,jk) |
|---|
| 818 | END DO |
|---|
| 819 | END DO |
|---|
| 820 | ENDIF |
|---|
| 821 | |
|---|
| 822 | END SUBROUTINE fld_map_core |
|---|
| 823 | |
|---|
| 824 | |
|---|
| 825 | SUBROUTINE fld_bdy_interp(pdta_read, pdta_read_z, pdta_read_dz, pdta, kgrd, kbdy, pfv, ldtotvel) |
|---|
| 826 | !!--------------------------------------------------------------------- |
|---|
| 827 | !! *** ROUTINE fld_bdy_interp *** |
|---|
| 828 | !! |
|---|
| 829 | !! ** Purpose : on the fly vertical interpolation to allow the use of |
|---|
| 830 | !! boundary data from non-native vertical grid |
|---|
| 831 | !!---------------------------------------------------------------------- |
|---|
| 832 | USE bdy_oce, ONLY: idx_bdy ! indexing for map <-> ij transformation |
|---|
| 833 | |
|---|
| 834 | REAL(wp), DIMENSION(:,:,:), INTENT(in ) :: pdta_read ! data read in bdy file |
|---|
| 835 | REAL(wp), DIMENSION(:,:,:), INTENT(in ) :: pdta_read_z ! depth of the data read in bdy file |
|---|
| 836 | REAL(wp), DIMENSION(:,:,:), INTENT(in ) :: pdta_read_dz ! thickness of the levels in bdy file |
|---|
| 837 | REAL(wp), DIMENSION(:,:,:), INTENT( out) :: pdta ! output field on model grid (2 dimensional) |
|---|
| 838 | REAL(wp) , INTENT(in ) :: pfv ! fillvalue of the data read in bdy file |
|---|
| 839 | LOGICAL , INTENT(in ) :: ldtotvel ! true if toal ( = barotrop + barocline) velocity |
|---|
| 840 | INTEGER , INTENT(in ) :: kgrd ! grid type (t, u, v) |
|---|
| 841 | INTEGER , INTENT(in ) :: kbdy ! bdy number |
|---|
| 842 | !! |
|---|
| 843 | INTEGER :: ipi ! length of boundary data on local process |
|---|
| 844 | INTEGER :: ipkb ! number of vertical levels in boundary data file |
|---|
| 845 | INTEGER :: ipkmax ! number of vertical levels in boundary data file where no mask |
|---|
| 846 | INTEGER :: jb, ji, jj, jk, jkb ! loop counters |
|---|
| 847 | REAL(wp) :: zcoef, zi ! |
|---|
| 848 | REAL(wp) :: ztrans, ztrans_new ! transports |
|---|
| 849 | REAL(wp), DIMENSION(jpk) :: zdepth, zdhalf ! level and half-level depth |
|---|
| 850 | !!--------------------------------------------------------------------- |
|---|
| 851 | |
|---|
| 852 | ipi = SIZE( pdta, 1 ) |
|---|
| 853 | ipkb = SIZE( pdta_read, 3 ) |
|---|
| 854 | |
|---|
| 855 | DO jb = 1, ipi |
|---|
| 856 | ji = idx_bdy(kbdy)%nbi(jb,kgrd) |
|---|
| 857 | jj = idx_bdy(kbdy)%nbj(jb,kgrd) |
|---|
| 858 | ! |
|---|
| 859 | ! --- max jk where input data /= FillValue --- ! |
|---|
| 860 | ipkmax = 1 |
|---|
| 861 | DO jkb = 2, ipkb |
|---|
| 862 | IF( pdta_read(jb,1,jkb) /= pfv ) ipkmax = MAX( ipkmax, jkb ) |
|---|
| 863 | END DO |
|---|
| 864 | ! |
|---|
| 865 | ! --- calculate depth at t,u,v points --- ! |
|---|
| 866 | SELECT CASE( kgrd ) |
|---|
| 867 | CASE(1) ! depth of T points: |
|---|
| 868 | zdepth(:) = gdept_n(ji,jj,:) |
|---|
| 869 | CASE(2) ! depth of U points: we must not use gdept_n as we don't want to do a communication |
|---|
| 870 | ! --> copy what is done for gdept_n in domvvl... |
|---|
| 871 | zdhalf(1) = 0.0_wp |
|---|
| 872 | zdepth(1) = 0.5_wp * e3uw_n(ji,jj,1) |
|---|
| 873 | DO jk = 2, jpk ! vertical sum |
|---|
| 874 | ! zcoef = umask - wumask ! 0 everywhere tmask = wmask, ie everywhere expect at jk = mikt |
|---|
| 875 | ! ! 1 everywhere from mbkt to mikt + 1 or 1 (if no isf) |
|---|
| 876 | ! ! 0.5 where jk = mikt |
|---|
| 877 | !!gm ??????? BUG ? gdept_n as well as gde3w_n does not include the thickness of ISF ?? |
|---|
| 878 | zcoef = ( umask(ji,jj,jk) - wumask(ji,jj,jk) ) |
|---|
| 879 | zdhalf(jk) = zdhalf(jk-1) + e3u_n(ji,jj,jk-1) |
|---|
| 880 | zdepth(jk) = zcoef * ( zdhalf(jk ) + 0.5 * e3uw_n(ji,jj,jk)) & |
|---|
| 881 | & + (1.-zcoef) * ( zdepth(jk-1) + e3uw_n(ji,jj,jk)) |
|---|
| 882 | END DO |
|---|
| 883 | CASE(3) ! depth of V points: we must not use gdept_n as we don't want to do a communication |
|---|
| 884 | ! --> copy what is done for gdept_n in domvvl... |
|---|
| 885 | zdhalf(1) = 0.0_wp |
|---|
| 886 | zdepth(1) = 0.5_wp * e3vw_n(ji,jj,1) |
|---|
| 887 | DO jk = 2, jpk ! vertical sum |
|---|
| 888 | ! zcoef = vmask - wvmask ! 0 everywhere tmask = wmask, ie everywhere expect at jk = mikt |
|---|
| 889 | ! ! 1 everywhere from mbkt to mikt + 1 or 1 (if no isf) |
|---|
| 890 | ! ! 0.5 where jk = mikt |
|---|
| 891 | !!gm ??????? BUG ? gdept_n as well as gde3w_n does not include the thickness of ISF ?? |
|---|
| 892 | zcoef = ( vmask(ji,jj,jk) - wvmask(ji,jj,jk) ) |
|---|
| 893 | zdhalf(jk) = zdhalf(jk-1) + e3v_n(ji,jj,jk-1) |
|---|
| 894 | zdepth(jk) = zcoef * ( zdhalf(jk ) + 0.5 * e3vw_n(ji,jj,jk)) & |
|---|
| 895 | & + (1.-zcoef) * ( zdepth(jk-1) + e3vw_n(ji,jj,jk)) |
|---|
| 896 | END DO |
|---|
| 897 | END SELECT |
|---|
| 898 | ! |
|---|
| 899 | ! --- interpolate bdy data on the model grid --- ! |
|---|
| 900 | DO jk = 1, jpk |
|---|
| 901 | IF( zdepth(jk) <= pdta_read_z(jb,1,1) ) THEN ! above the first level of external data |
|---|
| 902 | pdta(jb,1,jk) = pdta_read(jb,1,1) |
|---|
| 903 | ELSEIF( zdepth(jk) > pdta_read_z(jb,1,ipkmax) ) THEN ! below the last level of external data /= FillValue |
|---|
| 904 | pdta(jb,1,jk) = pdta_read(jb,1,ipkmax) |
|---|
| 905 | ELSE ! inbetween: vertical interpolation between jkb & jkb+1 |
|---|
| 906 | DO jkb = 1, ipkmax-1 |
|---|
| 907 | IF( ( ( zdepth(jk) - pdta_read_z(jb,1,jkb) ) * ( zdepth(jk) - pdta_read_z(jb,1,jkb+1) ) ) <= 0._wp ) THEN ! linear interpolation between 2 levels |
|---|
| 908 | zi = ( zdepth(jk) - pdta_read_z(jb,1,jkb) ) / ( pdta_read_z(jb,1,jkb+1) - pdta_read_z(jb,1,jkb) ) |
|---|
| 909 | pdta(jb,1,jk) = pdta_read(jb,1,jkb) + zi * ( pdta_read(jb,1,jkb+1) - pdta_read(jb,1,jkb) ) |
|---|
| 910 | ENDIF |
|---|
| 911 | END DO |
|---|
| 912 | ENDIF |
|---|
| 913 | END DO |
|---|
| 914 | ! |
|---|
| 915 | END DO ! ipi |
|---|
| 916 | |
|---|
| 917 | ! --- mask data and adjust transport --- ! |
|---|
| 918 | SELECT CASE( kgrd ) |
|---|
| 919 | |
|---|
| 920 | CASE(1) ! mask data (probably unecessary) |
|---|
| 921 | DO jb = 1, ipi |
|---|
| 922 | ji = idx_bdy(kbdy)%nbi(jb,kgrd) |
|---|
| 923 | jj = idx_bdy(kbdy)%nbj(jb,kgrd) |
|---|
| 924 | DO jk = 1, jpk |
|---|
| 925 | pdta(jb,1,jk) = pdta(jb,1,jk) * tmask(ji,jj,jk) |
|---|
| 926 | END DO |
|---|
| 927 | END DO |
|---|
| 928 | |
|---|
| 929 | CASE(2) ! adjust the U-transport term |
|---|
| 930 | DO jb = 1, ipi |
|---|
| 931 | ji = idx_bdy(kbdy)%nbi(jb,kgrd) |
|---|
| 932 | jj = idx_bdy(kbdy)%nbj(jb,kgrd) |
|---|
| 933 | ztrans = 0._wp |
|---|
| 934 | DO jkb = 1, ipkb ! calculate transport on input grid |
|---|
| 935 | IF( pdta_read(jb,1,jkb) /= pfv ) ztrans = ztrans + pdta_read(jb,1,jkb) * pdta_read_dz(jb,1,jkb) |
|---|
| 936 | ENDDO |
|---|
| 937 | ztrans_new = 0._wp |
|---|
| 938 | DO jk = 1, jpk ! calculate transport on model grid |
|---|
| 939 | ztrans_new = ztrans_new + pdta(jb,1,jk ) * e3u_n(ji,jj,jk) * umask(ji,jj,jk) |
|---|
| 940 | ENDDO |
|---|
| 941 | DO jk = 1, jpk ! make transport correction |
|---|
| 942 | IF(ldtotvel) THEN ! bdy data are total velocity so adjust bt transport term to match input data |
|---|
| 943 | pdta(jb,1,jk) = ( pdta(jb,1,jk) + ( ztrans - ztrans_new ) * r1_hu_n(ji,jj) ) * umask(ji,jj,jk) |
|---|
| 944 | ELSE ! we're just dealing with bc velocity so bt transport term should sum to zero |
|---|
| 945 | pdta(jb,1,jk) = ( pdta(jb,1,jk) + ( 0._wp - ztrans_new ) * r1_hu_n(ji,jj) ) * umask(ji,jj,jk) |
|---|
| 946 | ENDIF |
|---|
| 947 | ENDDO |
|---|
| 948 | ENDDO |
|---|
| 949 | |
|---|
| 950 | CASE(3) ! adjust the V-transport term |
|---|
| 951 | DO jb = 1, ipi |
|---|
| 952 | ji = idx_bdy(kbdy)%nbi(jb,kgrd) |
|---|
| 953 | jj = idx_bdy(kbdy)%nbj(jb,kgrd) |
|---|
| 954 | ztrans = 0._wp |
|---|
| 955 | DO jkb = 1, ipkb ! calculate transport on input grid |
|---|
| 956 | IF( pdta_read(jb,1,jkb) /= pfv ) ztrans = ztrans + pdta_read(jb,1,jkb) * pdta_read_dz(jb,1,jkb) |
|---|
| 957 | ENDDO |
|---|
| 958 | ztrans_new = 0._wp |
|---|
| 959 | DO jk = 1, jpk ! calculate transport on model grid |
|---|
| 960 | ztrans_new = ztrans_new + pdta(jb,1,jk ) * e3v_n(ji,jj,jk) * vmask(ji,jj,jk) |
|---|
| 961 | ENDDO |
|---|
| 962 | DO jk = 1, jpk ! make transport correction |
|---|
| 963 | IF(ldtotvel) THEN ! bdy data are total velocity so adjust bt transport term to match input data |
|---|
| 964 | pdta(jb,1,jk) = ( pdta(jb,1,jk) + ( ztrans - ztrans_new ) * r1_hv_n(ji,jj) ) * vmask(ji,jj,jk) |
|---|
| 965 | ELSE ! we're just dealing with bc velocity so bt transport term should sum to zero |
|---|
| 966 | pdta(jb,1,jk) = ( pdta(jb,1,jk) + ( 0._wp - ztrans_new ) * r1_hv_n(ji,jj) ) * vmask(ji,jj,jk) |
|---|
| 967 | ENDIF |
|---|
| 968 | ENDDO |
|---|
| 969 | ENDDO |
|---|
| 970 | END SELECT |
|---|
| 971 | |
|---|
| 972 | END SUBROUTINE fld_bdy_interp |
|---|
| 973 | |
|---|
| 974 | |
|---|
| 975 | SUBROUTINE fld_rot( kt, sd ) |
|---|
| 976 | !!--------------------------------------------------------------------- |
|---|
| 977 | !! *** ROUTINE fld_rot *** |
|---|
| 978 | !! |
|---|
| 979 | !! ** Purpose : Vector fields may need to be rotated onto the local grid direction |
|---|
| 980 | !!---------------------------------------------------------------------- |
|---|
| 981 | INTEGER , INTENT(in ) :: kt ! ocean time step |
|---|
| 982 | TYPE(FLD), DIMENSION(:), INTENT(inout) :: sd ! input field related variables |
|---|
| 983 | ! |
|---|
| 984 | INTEGER :: ju, jv, jk, jn ! loop indices |
|---|
| 985 | INTEGER :: imf ! size of the structure sd |
|---|
| 986 | INTEGER :: ill ! character length |
|---|
| 987 | INTEGER :: iv ! indice of V component |
|---|
| 988 | CHARACTER (LEN=100) :: clcomp ! dummy weight name |
|---|
| 989 | REAL(wp), DIMENSION(jpi,jpj) :: utmp, vtmp ! temporary arrays for vector rotation |
|---|
| 990 | !!--------------------------------------------------------------------- |
|---|
| 991 | ! |
|---|
| 992 | !! (sga: following code should be modified so that pairs arent searched for each time |
|---|
| 993 | ! |
|---|
| 994 | imf = SIZE( sd ) |
|---|
| 995 | DO ju = 1, imf |
|---|
| 996 | IF( TRIM(sd(ju)%clrootname) == 'NOT USED' ) CYCLE |
|---|
| 997 | ill = LEN_TRIM( sd(ju)%vcomp ) |
|---|
| 998 | DO jn = 2-COUNT((/sd(ju)%ln_tint/)), 2 |
|---|
| 999 | IF( ill > 0 .AND. .NOT. sd(ju)%rotn(jn) ) THEN ! find vector rotations required |
|---|
| 1000 | IF( sd(ju)%vcomp(1:1) == 'U' ) THEN ! east-west component has symbolic name starting with 'U' |
|---|
| 1001 | ! look for the north-south component which has same symbolic name but with 'U' replaced with 'V' |
|---|
| 1002 | clcomp = 'V' // sd(ju)%vcomp(2:ill) ! works even if ill == 1 |
|---|
| 1003 | iv = -1 |
|---|
| 1004 | DO jv = 1, imf |
|---|
| 1005 | IF( TRIM(sd(jv)%clrootname) == 'NOT USED' ) CYCLE |
|---|
| 1006 | IF( TRIM(sd(jv)%vcomp) == TRIM(clcomp) ) iv = jv |
|---|
| 1007 | END DO |
|---|
| 1008 | IF( iv > 0 ) THEN ! fields ju and iv are two components which need to be rotated together |
|---|
| 1009 | DO jk = 1, SIZE( sd(ju)%fnow, 3 ) |
|---|
| 1010 | IF( sd(ju)%ln_tint )THEN |
|---|
| 1011 | CALL rot_rep( sd(ju)%fdta(:,:,jk,jn), sd(iv)%fdta(:,:,jk,jn), 'T', 'en->i', utmp(:,:) ) |
|---|
| 1012 | CALL rot_rep( sd(ju)%fdta(:,:,jk,jn), sd(iv)%fdta(:,:,jk,jn), 'T', 'en->j', vtmp(:,:) ) |
|---|
| 1013 | sd(ju)%fdta(:,:,jk,jn) = utmp(:,:) ; sd(iv)%fdta(:,:,jk,jn) = vtmp(:,:) |
|---|
| 1014 | ELSE |
|---|
| 1015 | CALL rot_rep( sd(ju)%fnow(:,:,jk ), sd(iv)%fnow(:,:,jk ), 'T', 'en->i', utmp(:,:) ) |
|---|
| 1016 | CALL rot_rep( sd(ju)%fnow(:,:,jk ), sd(iv)%fnow(:,:,jk ), 'T', 'en->j', vtmp(:,:) ) |
|---|
| 1017 | sd(ju)%fnow(:,:,jk ) = utmp(:,:) ; sd(iv)%fnow(:,:,jk ) = vtmp(:,:) |
|---|
| 1018 | ENDIF |
|---|
| 1019 | END DO |
|---|
| 1020 | sd(ju)%rotn(jn) = .TRUE. ! vector was rotated |
|---|
| 1021 | IF( lwp .AND. kt == nit000 ) WRITE(numout,*) & |
|---|
| 1022 | & 'fld_read: vector pair ('//TRIM(sd(ju)%clvar)//', '//TRIM(sd(iv)%clvar)//') rotated on to model grid' |
|---|
| 1023 | ENDIF |
|---|
| 1024 | ENDIF |
|---|
| 1025 | ENDIF |
|---|
| 1026 | END DO |
|---|
| 1027 | END DO |
|---|
| 1028 | ! |
|---|
| 1029 | END SUBROUTINE fld_rot |
|---|
| 1030 | |
|---|
| 1031 | |
|---|
| 1032 | SUBROUTINE fld_clopn( sdjf, kyear, kmonth, kday, ldstop ) |
|---|
| 1033 | !!--------------------------------------------------------------------- |
|---|
| 1034 | !! *** ROUTINE fld_clopn *** |
|---|
| 1035 | !! |
|---|
| 1036 | !! ** Purpose : update the file name and close/open the files |
|---|
| 1037 | !!---------------------------------------------------------------------- |
|---|
| 1038 | TYPE(FLD) , INTENT(inout) :: sdjf ! input field related variables |
|---|
| 1039 | INTEGER, OPTIONAL, INTENT(in ) :: kyear ! year value |
|---|
| 1040 | INTEGER, OPTIONAL, INTENT(in ) :: kmonth ! month value |
|---|
| 1041 | INTEGER, OPTIONAL, INTENT(in ) :: kday ! day value |
|---|
| 1042 | LOGICAL, OPTIONAL, INTENT(in ) :: ldstop ! stop if open to read a non-existing file (default = .TRUE.) |
|---|
| 1043 | ! |
|---|
| 1044 | LOGICAL :: llprevyr ! are we reading previous year file? |
|---|
| 1045 | LOGICAL :: llprevmth ! are we reading previous month file? |
|---|
| 1046 | INTEGER :: iyear, imonth, iday ! first day of the current file in yyyy mm dd |
|---|
| 1047 | INTEGER :: isec_week ! number of seconds since start of the weekly file |
|---|
| 1048 | INTEGER :: indexyr ! year undex (O/1/2: previous/current/next) |
|---|
| 1049 | REAL(wp) :: zyear_len, zmonth_len ! length (days) of iyear and imonth ! |
|---|
| 1050 | CHARACTER(len = 256) :: clname ! temporary file name |
|---|
| 1051 | !!---------------------------------------------------------------------- |
|---|
| 1052 | IF( PRESENT(kyear) ) THEN ! use given values |
|---|
| 1053 | iyear = kyear |
|---|
| 1054 | imonth = kmonth |
|---|
| 1055 | iday = kday |
|---|
| 1056 | IF ( sdjf%cltype(1:4) == 'week' ) THEN ! find the day of the beginning of the week |
|---|
| 1057 | isec_week = ksec_week( sdjf%cltype(6:8) )- (86400 * 8 ) |
|---|
| 1058 | llprevmth = isec_week > nsec_month ! longer time since beginning of the week than the month |
|---|
| 1059 | llprevyr = llprevmth .AND. nmonth == 1 |
|---|
| 1060 | iyear = nyear - COUNT((/llprevyr /)) |
|---|
| 1061 | imonth = nmonth - COUNT((/llprevmth/)) + 12 * COUNT((/llprevyr /)) |
|---|
| 1062 | iday = nday + nmonth_len(nmonth-1) * COUNT((/llprevmth/)) - isec_week / NINT(rday) |
|---|
| 1063 | ENDIF |
|---|
| 1064 | ELSE ! use current day values |
|---|
| 1065 | IF ( sdjf%cltype(1:4) == 'week' ) THEN ! find the day of the beginning of the week |
|---|
| 1066 | isec_week = ksec_week( sdjf%cltype(6:8) ) ! second since the beginning of the week |
|---|
| 1067 | llprevmth = isec_week > nsec_month ! longer time since beginning of the week than the month |
|---|
| 1068 | llprevyr = llprevmth .AND. nmonth == 1 |
|---|
| 1069 | ELSE |
|---|
| 1070 | isec_week = 0 |
|---|
| 1071 | llprevmth = .FALSE. |
|---|
| 1072 | llprevyr = .FALSE. |
|---|
| 1073 | ENDIF |
|---|
| 1074 | iyear = nyear - COUNT((/llprevyr /)) |
|---|
| 1075 | imonth = nmonth - COUNT((/llprevmth/)) + 12 * COUNT((/llprevyr /)) |
|---|
| 1076 | iday = nday + nmonth_len(nmonth-1) * COUNT((/llprevmth/)) - isec_week / NINT(rday) |
|---|
| 1077 | ENDIF |
|---|
| 1078 | |
|---|
| 1079 | ! build the new filename if not climatological data |
|---|
| 1080 | clname=TRIM(sdjf%clrootname) |
|---|
| 1081 | ! |
|---|
| 1082 | ! note that sdjf%ln_clim is is only acting on the presence of the year in the file name |
|---|
| 1083 | IF( .NOT. sdjf%ln_clim ) THEN |
|---|
| 1084 | WRITE(clname, '(a,"_y",i4.4)' ) TRIM( sdjf%clrootname ), iyear ! add year |
|---|
| 1085 | IF( sdjf%cltype /= 'yearly' ) WRITE(clname, '(a,"m" ,i2.2)' ) TRIM( clname ), imonth ! add month |
|---|
| 1086 | ELSE |
|---|
| 1087 | ! build the new filename if climatological data |
|---|
| 1088 | IF( sdjf%cltype /= 'yearly' ) WRITE(clname, '(a,"_m",i2.2)' ) TRIM( sdjf%clrootname ), imonth ! add month |
|---|
| 1089 | ENDIF |
|---|
| 1090 | IF( sdjf%cltype == 'daily' .OR. sdjf%cltype(1:4) == 'week' ) & |
|---|
| 1091 | & WRITE(clname, '(a,"d" ,i2.2)' ) TRIM( clname ), iday ! add day |
|---|
| 1092 | ! |
|---|
| 1093 | IF( TRIM(clname) /= TRIM(sdjf%clname) .OR. sdjf%num == 0 ) THEN ! new file to be open |
|---|
| 1094 | ! |
|---|
| 1095 | sdjf%clname = TRIM(clname) |
|---|
| 1096 | IF( sdjf%num /= 0 ) CALL iom_close( sdjf%num ) ! close file if already open |
|---|
| 1097 | CALL iom_open( sdjf%clname, sdjf%num, ldstop = ldstop, ldiof = LEN(TRIM(sdjf%wgtname)) > 0 ) |
|---|
| 1098 | ! |
|---|
| 1099 | ! find the last record to be read -> update sdjf%nreclast |
|---|
| 1100 | indexyr = iyear - nyear + 1 |
|---|
| 1101 | zyear_len = REAL(nyear_len( indexyr ), wp) |
|---|
| 1102 | SELECT CASE ( indexyr ) |
|---|
| 1103 | CASE ( 0 ) ; zmonth_len = 31. ! previous year -> imonth = 12 |
|---|
| 1104 | CASE ( 1 ) ; zmonth_len = REAL(nmonth_len(imonth), wp) |
|---|
| 1105 | CASE ( 2 ) ; zmonth_len = 31. ! next year -> imonth = 1 |
|---|
| 1106 | END SELECT |
|---|
| 1107 | ! |
|---|
| 1108 | ! last record to be read in the current file |
|---|
| 1109 | IF ( sdjf%freqh == -12. ) THEN ; sdjf%nreclast = 1 ! yearly mean |
|---|
| 1110 | ELSEIF( sdjf%freqh == -1. ) THEN ! monthly mean |
|---|
| 1111 | IF( sdjf%cltype == 'monthly' ) THEN ; sdjf%nreclast = 1 |
|---|
| 1112 | ELSE ; sdjf%nreclast = 12 |
|---|
| 1113 | ENDIF |
|---|
| 1114 | ELSE ! higher frequency mean (in hours) |
|---|
| 1115 | IF( sdjf%cltype == 'monthly' ) THEN ; sdjf%nreclast = NINT( 24. * zmonth_len / sdjf%freqh ) |
|---|
| 1116 | ELSEIF( sdjf%cltype(1:4) == 'week' ) THEN ; sdjf%nreclast = NINT( 24. * 7. / sdjf%freqh ) |
|---|
| 1117 | ELSEIF( sdjf%cltype == 'daily' ) THEN ; sdjf%nreclast = NINT( 24. / sdjf%freqh ) |
|---|
| 1118 | ELSE ; sdjf%nreclast = NINT( 24. * zyear_len / sdjf%freqh ) |
|---|
| 1119 | ENDIF |
|---|
| 1120 | ENDIF |
|---|
| 1121 | ! |
|---|
| 1122 | ENDIF |
|---|
| 1123 | ! |
|---|
| 1124 | END SUBROUTINE fld_clopn |
|---|
| 1125 | |
|---|
| 1126 | |
|---|
| 1127 | SUBROUTINE fld_fill( sdf, sdf_n, cdir, cdcaller, cdtitle, cdnam, knoprint ) |
|---|
| 1128 | !!--------------------------------------------------------------------- |
|---|
| 1129 | !! *** ROUTINE fld_fill *** |
|---|
| 1130 | !! |
|---|
| 1131 | !! ** Purpose : fill the data structure (sdf) with the associated information |
|---|
| 1132 | !! read in namelist (sdf_n) and control print |
|---|
| 1133 | !!---------------------------------------------------------------------- |
|---|
| 1134 | TYPE(FLD) , DIMENSION(:) , INTENT(inout) :: sdf ! structure of input fields (file informations, fields read) |
|---|
| 1135 | TYPE(FLD_N), DIMENSION(:) , INTENT(in ) :: sdf_n ! array of namelist information structures |
|---|
| 1136 | CHARACTER(len=*) , INTENT(in ) :: cdir ! Root directory for location of flx files |
|---|
| 1137 | CHARACTER(len=*) , INTENT(in ) :: cdcaller ! name of the calling routine |
|---|
| 1138 | CHARACTER(len=*) , INTENT(in ) :: cdtitle ! description of the calling routine |
|---|
| 1139 | CHARACTER(len=*) , INTENT(in ) :: cdnam ! name of the namelist from which sdf_n comes |
|---|
| 1140 | INTEGER , OPTIONAL, INTENT(in ) :: knoprint ! no calling routine information printed |
|---|
| 1141 | ! |
|---|
| 1142 | INTEGER :: jf ! dummy indices |
|---|
| 1143 | !!--------------------------------------------------------------------- |
|---|
| 1144 | ! |
|---|
| 1145 | DO jf = 1, SIZE(sdf) |
|---|
| 1146 | sdf(jf)%clrootname = sdf_n(jf)%clname |
|---|
| 1147 | IF( TRIM(sdf_n(jf)%clname) /= 'NOT USED' ) sdf(jf)%clrootname = TRIM( cdir )//sdf(jf)%clrootname |
|---|
| 1148 | sdf(jf)%clname = "not yet defined" |
|---|
| 1149 | sdf(jf)%freqh = sdf_n(jf)%freqh |
|---|
| 1150 | sdf(jf)%clvar = sdf_n(jf)%clvar |
|---|
| 1151 | sdf(jf)%ln_tint = sdf_n(jf)%ln_tint |
|---|
| 1152 | sdf(jf)%ln_clim = sdf_n(jf)%ln_clim |
|---|
| 1153 | sdf(jf)%cltype = sdf_n(jf)%cltype |
|---|
| 1154 | sdf(jf)%num = -1 |
|---|
| 1155 | sdf(jf)%wgtname = " " |
|---|
| 1156 | IF( LEN( TRIM(sdf_n(jf)%wname) ) > 0 ) sdf(jf)%wgtname = TRIM( cdir )//sdf_n(jf)%wname |
|---|
| 1157 | sdf(jf)%lsmname = " " |
|---|
| 1158 | IF( LEN( TRIM(sdf_n(jf)%lname) ) > 0 ) sdf(jf)%lsmname = TRIM( cdir )//sdf_n(jf)%lname |
|---|
| 1159 | sdf(jf)%vcomp = sdf_n(jf)%vcomp |
|---|
| 1160 | sdf(jf)%rotn(:) = .TRUE. ! pretend to be rotated -> won't try to rotate data before the first call to fld_get |
|---|
| 1161 | IF( sdf(jf)%cltype(1:4) == 'week' .AND. nn_leapy == 0 ) & |
|---|
| 1162 | & CALL ctl_stop('fld_clopn: weekly file ('//TRIM(sdf(jf)%clrootname)//') needs nn_leapy = 1') |
|---|
| 1163 | IF( sdf(jf)%cltype(1:4) == 'week' .AND. sdf(jf)%ln_clim ) & |
|---|
| 1164 | & CALL ctl_stop('fld_clopn: weekly file ('//TRIM(sdf(jf)%clrootname)//') needs ln_clim = .FALSE.') |
|---|
| 1165 | sdf(jf)%nreclast = -1 ! Set to non zero default value to avoid errors, is updated to meaningful value during fld_clopn |
|---|
| 1166 | sdf(jf)%igrd = 0 |
|---|
| 1167 | sdf(jf)%ibdy = 0 |
|---|
| 1168 | sdf(jf)%imap => NULL() |
|---|
| 1169 | sdf(jf)%ltotvel = .FALSE. |
|---|
| 1170 | sdf(jf)%lzint = .FALSE. |
|---|
| 1171 | END DO |
|---|
| 1172 | ! |
|---|
| 1173 | IF(lwp) THEN ! control print |
|---|
| 1174 | WRITE(numout,*) |
|---|
| 1175 | IF( .NOT.PRESENT( knoprint) ) THEN |
|---|
| 1176 | WRITE(numout,*) TRIM( cdcaller )//' : '//TRIM( cdtitle ) |
|---|
| 1177 | WRITE(numout,*) (/ ('~', jf = 1, LEN_TRIM( cdcaller ) ) /) |
|---|
| 1178 | ENDIF |
|---|
| 1179 | WRITE(numout,*) ' fld_fill : fill data structure with information from namelist '//TRIM( cdnam ) |
|---|
| 1180 | WRITE(numout,*) ' ~~~~~~~~' |
|---|
| 1181 | WRITE(numout,*) ' list of files and frequency (>0: in hours ; <0 in months)' |
|---|
| 1182 | DO jf = 1, SIZE(sdf) |
|---|
| 1183 | WRITE(numout,*) ' root filename: ' , TRIM( sdf(jf)%clrootname ), ' variable name: ', TRIM( sdf(jf)%clvar ) |
|---|
| 1184 | WRITE(numout,*) ' frequency: ' , sdf(jf)%freqh , & |
|---|
| 1185 | & ' time interp: ' , sdf(jf)%ln_tint , & |
|---|
| 1186 | & ' climatology: ' , sdf(jf)%ln_clim |
|---|
| 1187 | WRITE(numout,*) ' weights: ' , TRIM( sdf(jf)%wgtname ), & |
|---|
| 1188 | & ' pairing: ' , TRIM( sdf(jf)%vcomp ), & |
|---|
| 1189 | & ' data type: ' , sdf(jf)%cltype , & |
|---|
| 1190 | & ' land/sea mask:' , TRIM( sdf(jf)%lsmname ) |
|---|
| 1191 | call flush(numout) |
|---|
| 1192 | END DO |
|---|
| 1193 | ENDIF |
|---|
| 1194 | ! |
|---|
| 1195 | END SUBROUTINE fld_fill |
|---|
| 1196 | |
|---|
| 1197 | |
|---|
| 1198 | SUBROUTINE wgt_list( sd, kwgt ) |
|---|
| 1199 | !!--------------------------------------------------------------------- |
|---|
| 1200 | !! *** ROUTINE wgt_list *** |
|---|
| 1201 | !! |
|---|
| 1202 | !! ** Purpose : search array of WGTs and find a weights file entry, |
|---|
| 1203 | !! or return a new one adding it to the end if new entry. |
|---|
| 1204 | !! the weights data is read in and restructured (fld_weight) |
|---|
| 1205 | !!---------------------------------------------------------------------- |
|---|
| 1206 | TYPE( FLD ), INTENT(in ) :: sd ! field with name of weights file |
|---|
| 1207 | INTEGER , INTENT(inout) :: kwgt ! index of weights |
|---|
| 1208 | ! |
|---|
| 1209 | INTEGER :: kw, nestid ! local integer |
|---|
| 1210 | LOGICAL :: found ! local logical |
|---|
| 1211 | !!---------------------------------------------------------------------- |
|---|
| 1212 | ! |
|---|
| 1213 | !! search down linked list |
|---|
| 1214 | !! weights filename is either present or we hit the end of the list |
|---|
| 1215 | found = .FALSE. |
|---|
| 1216 | ! |
|---|
| 1217 | !! because agrif nest part of filenames are now added in iom_open |
|---|
| 1218 | !! to distinguish between weights files on the different grids, need to track |
|---|
| 1219 | !! nest number explicitly |
|---|
| 1220 | nestid = 0 |
|---|
| 1221 | #if defined key_agrif |
|---|
| 1222 | nestid = Agrif_Fixed() |
|---|
| 1223 | #endif |
|---|
| 1224 | DO kw = 1, nxt_wgt-1 |
|---|
| 1225 | IF( TRIM(ref_wgts(kw)%wgtname) == TRIM(sd%wgtname) .AND. & |
|---|
| 1226 | ref_wgts(kw)%nestid == nestid) THEN |
|---|
| 1227 | kwgt = kw |
|---|
| 1228 | found = .TRUE. |
|---|
| 1229 | EXIT |
|---|
| 1230 | ENDIF |
|---|
| 1231 | END DO |
|---|
| 1232 | IF( .NOT.found ) THEN |
|---|
| 1233 | kwgt = nxt_wgt |
|---|
| 1234 | CALL fld_weight( sd ) |
|---|
| 1235 | ENDIF |
|---|
| 1236 | ! |
|---|
| 1237 | END SUBROUTINE wgt_list |
|---|
| 1238 | |
|---|
| 1239 | |
|---|
| 1240 | SUBROUTINE wgt_print( ) |
|---|
| 1241 | !!--------------------------------------------------------------------- |
|---|
| 1242 | !! *** ROUTINE wgt_print *** |
|---|
| 1243 | !! |
|---|
| 1244 | !! ** Purpose : print the list of known weights |
|---|
| 1245 | !!---------------------------------------------------------------------- |
|---|
| 1246 | INTEGER :: kw ! |
|---|
| 1247 | !!---------------------------------------------------------------------- |
|---|
| 1248 | ! |
|---|
| 1249 | DO kw = 1, nxt_wgt-1 |
|---|
| 1250 | WRITE(numout,*) 'weight file: ',TRIM(ref_wgts(kw)%wgtname) |
|---|
| 1251 | WRITE(numout,*) ' ddims: ',ref_wgts(kw)%ddims(1),ref_wgts(kw)%ddims(2) |
|---|
| 1252 | WRITE(numout,*) ' numwgt: ',ref_wgts(kw)%numwgt |
|---|
| 1253 | WRITE(numout,*) ' jpiwgt: ',ref_wgts(kw)%jpiwgt |
|---|
| 1254 | WRITE(numout,*) ' jpjwgt: ',ref_wgts(kw)%jpjwgt |
|---|
| 1255 | WRITE(numout,*) ' botleft: ',ref_wgts(kw)%botleft |
|---|
| 1256 | WRITE(numout,*) ' topright: ',ref_wgts(kw)%topright |
|---|
| 1257 | IF( ref_wgts(kw)%cyclic ) THEN |
|---|
| 1258 | WRITE(numout,*) ' cyclical' |
|---|
| 1259 | IF( ref_wgts(kw)%overlap > 0 ) WRITE(numout,*) ' with overlap of ', ref_wgts(kw)%overlap |
|---|
| 1260 | ELSE |
|---|
| 1261 | WRITE(numout,*) ' not cyclical' |
|---|
| 1262 | ENDIF |
|---|
| 1263 | IF( ASSOCIATED(ref_wgts(kw)%data_wgt) ) WRITE(numout,*) ' allocated' |
|---|
| 1264 | END DO |
|---|
| 1265 | ! |
|---|
| 1266 | END SUBROUTINE wgt_print |
|---|
| 1267 | |
|---|
| 1268 | |
|---|
| 1269 | SUBROUTINE fld_weight( sd ) |
|---|
| 1270 | !!--------------------------------------------------------------------- |
|---|
| 1271 | !! *** ROUTINE fld_weight *** |
|---|
| 1272 | !! |
|---|
| 1273 | !! ** Purpose : create a new WGT structure and fill in data from file, |
|---|
| 1274 | !! restructuring as required |
|---|
| 1275 | !!---------------------------------------------------------------------- |
|---|
| 1276 | TYPE( FLD ), INTENT(in) :: sd ! field with name of weights file |
|---|
| 1277 | !! |
|---|
| 1278 | INTEGER :: jn ! dummy loop indices |
|---|
| 1279 | INTEGER :: inum ! local logical unit |
|---|
| 1280 | INTEGER :: id ! local variable id |
|---|
| 1281 | INTEGER :: ipk ! local vertical dimension |
|---|
| 1282 | INTEGER :: zwrap ! local integer |
|---|
| 1283 | LOGICAL :: cyclical ! |
|---|
| 1284 | CHARACTER (len=5) :: aname ! |
|---|
| 1285 | INTEGER , DIMENSION(:), ALLOCATABLE :: ddims |
|---|
| 1286 | INTEGER, DIMENSION(jpi,jpj) :: data_src |
|---|
| 1287 | REAL(wp), DIMENSION(jpi,jpj) :: data_tmp |
|---|
| 1288 | !!---------------------------------------------------------------------- |
|---|
| 1289 | ! |
|---|
| 1290 | IF( nxt_wgt > tot_wgts ) THEN |
|---|
| 1291 | CALL ctl_stop("fld_weight: weights array size exceeded, increase tot_wgts") |
|---|
| 1292 | ENDIF |
|---|
| 1293 | ! |
|---|
| 1294 | !! new weights file entry, add in extra information |
|---|
| 1295 | !! a weights file represents a 2D grid of a certain shape, so we assume that the current |
|---|
| 1296 | !! input data file is representative of all other files to be opened and processed with the |
|---|
| 1297 | !! current weights file |
|---|
| 1298 | |
|---|
| 1299 | !! open input data file (non-model grid) |
|---|
| 1300 | CALL iom_open( sd%clname, inum, ldiof = LEN(TRIM(sd%wgtname)) > 0 ) |
|---|
| 1301 | |
|---|
| 1302 | !! get dimensions |
|---|
| 1303 | IF ( SIZE(sd%fnow, 3) > 1 ) THEN |
|---|
| 1304 | ALLOCATE( ddims(4) ) |
|---|
| 1305 | ELSE |
|---|
| 1306 | ALLOCATE( ddims(3) ) |
|---|
| 1307 | ENDIF |
|---|
| 1308 | id = iom_varid( inum, sd%clvar, ddims ) |
|---|
| 1309 | |
|---|
| 1310 | !! close it |
|---|
| 1311 | CALL iom_close( inum ) |
|---|
| 1312 | |
|---|
| 1313 | !! now open the weights file |
|---|
| 1314 | |
|---|
| 1315 | CALL iom_open ( sd%wgtname, inum ) ! interpolation weights |
|---|
| 1316 | IF ( inum > 0 ) THEN |
|---|
| 1317 | |
|---|
| 1318 | !! determine whether we have an east-west cyclic grid |
|---|
| 1319 | !! from global attribute called "ew_wrap" in the weights file |
|---|
| 1320 | !! note that if not found, iom_getatt returns -999 and cyclic with no overlap is assumed |
|---|
| 1321 | !! since this is the most common forcing configuration |
|---|
| 1322 | |
|---|
| 1323 | CALL iom_getatt(inum, 'ew_wrap', zwrap) |
|---|
| 1324 | IF( zwrap >= 0 ) THEN |
|---|
| 1325 | cyclical = .TRUE. |
|---|
| 1326 | ELSE IF( zwrap == -999 ) THEN |
|---|
| 1327 | cyclical = .TRUE. |
|---|
| 1328 | zwrap = 0 |
|---|
| 1329 | ELSE |
|---|
| 1330 | cyclical = .FALSE. |
|---|
| 1331 | ENDIF |
|---|
| 1332 | |
|---|
| 1333 | ref_wgts(nxt_wgt)%ddims(1) = ddims(1) |
|---|
| 1334 | ref_wgts(nxt_wgt)%ddims(2) = ddims(2) |
|---|
| 1335 | ref_wgts(nxt_wgt)%wgtname = sd%wgtname |
|---|
| 1336 | ref_wgts(nxt_wgt)%overlap = zwrap |
|---|
| 1337 | ref_wgts(nxt_wgt)%cyclic = cyclical |
|---|
| 1338 | ref_wgts(nxt_wgt)%nestid = 0 |
|---|
| 1339 | #if defined key_agrif |
|---|
| 1340 | ref_wgts(nxt_wgt)%nestid = Agrif_Fixed() |
|---|
| 1341 | #endif |
|---|
| 1342 | !! weights file is stored as a set of weights (wgt01->wgt04 or wgt01->wgt16) |
|---|
| 1343 | !! for each weight wgtNN there is an integer array srcNN which gives the point in |
|---|
| 1344 | !! the input data grid which is to be multiplied by the weight |
|---|
| 1345 | !! they are both arrays on the model grid so the result of the multiplication is |
|---|
| 1346 | !! added into an output array on the model grid as a running sum |
|---|
| 1347 | |
|---|
| 1348 | !! two possible cases: bilinear (4 weights) or bicubic (16 weights) |
|---|
| 1349 | id = iom_varid(inum, 'src05', ldstop=.FALSE.) |
|---|
| 1350 | IF( id <= 0) THEN |
|---|
| 1351 | ref_wgts(nxt_wgt)%numwgt = 4 |
|---|
| 1352 | ELSE |
|---|
| 1353 | ref_wgts(nxt_wgt)%numwgt = 16 |
|---|
| 1354 | ENDIF |
|---|
| 1355 | |
|---|
| 1356 | ALLOCATE( ref_wgts(nxt_wgt)%data_jpi(jpi,jpj,4) ) |
|---|
| 1357 | ALLOCATE( ref_wgts(nxt_wgt)%data_jpj(jpi,jpj,4) ) |
|---|
| 1358 | ALLOCATE( ref_wgts(nxt_wgt)%data_wgt(jpi,jpj,ref_wgts(nxt_wgt)%numwgt) ) |
|---|
| 1359 | |
|---|
| 1360 | DO jn = 1,4 |
|---|
| 1361 | aname = ' ' |
|---|
| 1362 | WRITE(aname,'(a3,i2.2)') 'src',jn |
|---|
| 1363 | data_tmp(:,:) = 0 |
|---|
| 1364 | CALL iom_get ( inum, jpdom_data, aname, data_tmp(:,:) ) |
|---|
| 1365 | data_src(:,:) = INT(data_tmp(:,:)) |
|---|
| 1366 | ref_wgts(nxt_wgt)%data_jpj(:,:,jn) = 1 + (data_src(:,:)-1) / ref_wgts(nxt_wgt)%ddims(1) |
|---|
| 1367 | ref_wgts(nxt_wgt)%data_jpi(:,:,jn) = data_src(:,:) - ref_wgts(nxt_wgt)%ddims(1)*(ref_wgts(nxt_wgt)%data_jpj(:,:,jn)-1) |
|---|
| 1368 | END DO |
|---|
| 1369 | |
|---|
| 1370 | DO jn = 1, ref_wgts(nxt_wgt)%numwgt |
|---|
| 1371 | aname = ' ' |
|---|
| 1372 | WRITE(aname,'(a3,i2.2)') 'wgt',jn |
|---|
| 1373 | ref_wgts(nxt_wgt)%data_wgt(:,:,jn) = 0.0 |
|---|
| 1374 | CALL iom_get ( inum, jpdom_data, aname, ref_wgts(nxt_wgt)%data_wgt(:,:,jn) ) |
|---|
| 1375 | END DO |
|---|
| 1376 | CALL iom_close (inum) |
|---|
| 1377 | |
|---|
| 1378 | ! find min and max indices in grid |
|---|
| 1379 | ref_wgts(nxt_wgt)%botleft(1) = MINVAL(ref_wgts(nxt_wgt)%data_jpi(:,:,:)) |
|---|
| 1380 | ref_wgts(nxt_wgt)%botleft(2) = MINVAL(ref_wgts(nxt_wgt)%data_jpj(:,:,:)) |
|---|
| 1381 | ref_wgts(nxt_wgt)%topright(1) = MAXVAL(ref_wgts(nxt_wgt)%data_jpi(:,:,:)) |
|---|
| 1382 | ref_wgts(nxt_wgt)%topright(2) = MAXVAL(ref_wgts(nxt_wgt)%data_jpj(:,:,:)) |
|---|
| 1383 | |
|---|
| 1384 | ! and therefore dimensions of the input box |
|---|
| 1385 | ref_wgts(nxt_wgt)%jpiwgt = ref_wgts(nxt_wgt)%topright(1) - ref_wgts(nxt_wgt)%botleft(1) + 1 |
|---|
| 1386 | ref_wgts(nxt_wgt)%jpjwgt = ref_wgts(nxt_wgt)%topright(2) - ref_wgts(nxt_wgt)%botleft(2) + 1 |
|---|
| 1387 | |
|---|
| 1388 | ! shift indexing of source grid |
|---|
| 1389 | ref_wgts(nxt_wgt)%data_jpi(:,:,:) = ref_wgts(nxt_wgt)%data_jpi(:,:,:) - ref_wgts(nxt_wgt)%botleft(1) + 1 |
|---|
| 1390 | ref_wgts(nxt_wgt)%data_jpj(:,:,:) = ref_wgts(nxt_wgt)%data_jpj(:,:,:) - ref_wgts(nxt_wgt)%botleft(2) + 1 |
|---|
| 1391 | |
|---|
| 1392 | ! create input grid, give it a halo to allow gradient calculations |
|---|
| 1393 | ! SA: +3 stencil is a patch to avoid out-of-bound computation in some configuration. |
|---|
| 1394 | ! a more robust solution will be given in next release |
|---|
| 1395 | ipk = SIZE(sd%fnow, 3) |
|---|
| 1396 | ALLOCATE( ref_wgts(nxt_wgt)%fly_dta(ref_wgts(nxt_wgt)%jpiwgt+3, ref_wgts(nxt_wgt)%jpjwgt+3 ,ipk) ) |
|---|
| 1397 | IF( ref_wgts(nxt_wgt)%cyclic ) ALLOCATE( ref_wgts(nxt_wgt)%col(1,ref_wgts(nxt_wgt)%jpjwgt+3,ipk) ) |
|---|
| 1398 | ! |
|---|
| 1399 | nxt_wgt = nxt_wgt + 1 |
|---|
| 1400 | ! |
|---|
| 1401 | ELSE |
|---|
| 1402 | CALL ctl_stop( ' fld_weight : unable to read the file ' ) |
|---|
| 1403 | ENDIF |
|---|
| 1404 | |
|---|
| 1405 | DEALLOCATE (ddims ) |
|---|
| 1406 | ! |
|---|
| 1407 | END SUBROUTINE fld_weight |
|---|
| 1408 | |
|---|
| 1409 | |
|---|
| 1410 | SUBROUTINE apply_seaoverland( clmaskfile, zfieldo, jpi1_lsm, jpi2_lsm, jpj1_lsm, & |
|---|
| 1411 | & jpj2_lsm, itmpi, itmpj, itmpz, rec1_lsm, recn_lsm ) |
|---|
| 1412 | !!--------------------------------------------------------------------- |
|---|
| 1413 | !! *** ROUTINE apply_seaoverland *** |
|---|
| 1414 | !! |
|---|
| 1415 | !! ** Purpose : avoid spurious fluxes in coastal or near-coastal areas |
|---|
| 1416 | !! due to the wrong usage of "land" values from the coarse |
|---|
| 1417 | !! atmospheric model when spatial interpolation is required |
|---|
| 1418 | !! D. Delrosso INGV |
|---|
| 1419 | !!---------------------------------------------------------------------- |
|---|
| 1420 | INTEGER, INTENT(in ) :: itmpi,itmpj,itmpz ! lengths |
|---|
| 1421 | INTEGER, INTENT(in ) :: jpi1_lsm,jpi2_lsm,jpj1_lsm,jpj2_lsm ! temporary indices |
|---|
| 1422 | INTEGER, DIMENSION(3), INTENT(in ) :: rec1_lsm,recn_lsm ! temporary arrays for start and length |
|---|
| 1423 | REAL(wp),DIMENSION (:,:,:),INTENT(inout) :: zfieldo ! input/output array for seaoverland application |
|---|
| 1424 | CHARACTER (len=100), INTENT(in ) :: clmaskfile ! land/sea mask file name |
|---|
| 1425 | ! |
|---|
| 1426 | INTEGER :: inum,jni,jnj,jnz,jc ! local indices |
|---|
| 1427 | REAL(wp),DIMENSION (:,:,:),ALLOCATABLE :: zslmec1 ! local array for land point detection |
|---|
| 1428 | REAL(wp),DIMENSION (:,:), ALLOCATABLE :: zfieldn ! array of forcing field with undeff for land points |
|---|
| 1429 | REAL(wp),DIMENSION (:,:), ALLOCATABLE :: zfield ! array of forcing field |
|---|
| 1430 | !!--------------------------------------------------------------------- |
|---|
| 1431 | ! |
|---|
| 1432 | ALLOCATE ( zslmec1(itmpi,itmpj,itmpz), zfieldn(itmpi,itmpj), zfield(itmpi,itmpj) ) |
|---|
| 1433 | ! |
|---|
| 1434 | ! Retrieve the land sea mask data |
|---|
| 1435 | CALL iom_open( clmaskfile, inum ) |
|---|
| 1436 | SELECT CASE( SIZE(zfieldo(jpi1_lsm:jpi2_lsm,jpj1_lsm:jpj2_lsm,:),3) ) |
|---|
| 1437 | CASE(1) |
|---|
| 1438 | CALL iom_get( inum, jpdom_unknown, 'LSM', zslmec1(jpi1_lsm:jpi2_lsm,jpj1_lsm:jpj2_lsm,1), 1, rec1_lsm, recn_lsm) |
|---|
| 1439 | CASE DEFAULT |
|---|
| 1440 | CALL iom_get( inum, jpdom_unknown, 'LSM', zslmec1(jpi1_lsm:jpi2_lsm,jpj1_lsm:jpj2_lsm,:), 1, rec1_lsm, recn_lsm) |
|---|
| 1441 | END SELECT |
|---|
| 1442 | CALL iom_close( inum ) |
|---|
| 1443 | ! |
|---|
| 1444 | DO jnz=1,rec1_lsm(3) !! Loop over k dimension |
|---|
| 1445 | ! |
|---|
| 1446 | DO jni = 1, itmpi !! copy the original field into a tmp array |
|---|
| 1447 | DO jnj = 1, itmpj !! substituting undeff over land points |
|---|
| 1448 | zfieldn(jni,jnj) = zfieldo(jni,jnj,jnz) |
|---|
| 1449 | IF( zslmec1(jni,jnj,jnz) == 1. ) zfieldn(jni,jnj) = undeff_lsm |
|---|
| 1450 | END DO |
|---|
| 1451 | END DO |
|---|
| 1452 | ! |
|---|
| 1453 | CALL seaoverland( zfieldn, itmpi, itmpj, zfield ) |
|---|
| 1454 | DO jc = 1, nn_lsm |
|---|
| 1455 | CALL seaoverland( zfield, itmpi, itmpj, zfield ) |
|---|
| 1456 | END DO |
|---|
| 1457 | ! |
|---|
| 1458 | ! Check for Undeff and substitute original values |
|---|
| 1459 | IF( ANY(zfield==undeff_lsm) ) THEN |
|---|
| 1460 | DO jni = 1, itmpi |
|---|
| 1461 | DO jnj = 1, itmpj |
|---|
| 1462 | IF( zfield(jni,jnj)==undeff_lsm ) zfield(jni,jnj) = zfieldo(jni,jnj,jnz) |
|---|
| 1463 | END DO |
|---|
| 1464 | END DO |
|---|
| 1465 | ENDIF |
|---|
| 1466 | ! |
|---|
| 1467 | zfieldo(:,:,jnz) = zfield(:,:) |
|---|
| 1468 | ! |
|---|
| 1469 | END DO !! End Loop over k dimension |
|---|
| 1470 | ! |
|---|
| 1471 | DEALLOCATE ( zslmec1, zfieldn, zfield ) |
|---|
| 1472 | ! |
|---|
| 1473 | END SUBROUTINE apply_seaoverland |
|---|
| 1474 | |
|---|
| 1475 | |
|---|
| 1476 | SUBROUTINE seaoverland( zfieldn, ileni, ilenj, zfield ) |
|---|
| 1477 | !!--------------------------------------------------------------------- |
|---|
| 1478 | !! *** ROUTINE seaoverland *** |
|---|
| 1479 | !! |
|---|
| 1480 | !! ** Purpose : create shifted matrices for seaoverland application |
|---|
| 1481 | !! D. Delrosso INGV |
|---|
| 1482 | !!---------------------------------------------------------------------- |
|---|
| 1483 | INTEGER , INTENT(in ) :: ileni,ilenj ! lengths |
|---|
| 1484 | REAL, DIMENSION (ileni,ilenj), INTENT(in ) :: zfieldn ! array of forcing field with undeff for land points |
|---|
| 1485 | REAL, DIMENSION (ileni,ilenj), INTENT( out) :: zfield ! array of forcing field |
|---|
| 1486 | ! |
|---|
| 1487 | REAL , DIMENSION (ileni,ilenj) :: zmat1, zmat2, zmat3, zmat4 ! local arrays |
|---|
| 1488 | REAL , DIMENSION (ileni,ilenj) :: zmat5, zmat6, zmat7, zmat8 ! - - |
|---|
| 1489 | REAL , DIMENSION (ileni,ilenj) :: zlsm2d ! - - |
|---|
| 1490 | REAL , DIMENSION (ileni,ilenj,8) :: zlsm3d ! - - |
|---|
| 1491 | LOGICAL, DIMENSION (ileni,ilenj,8) :: ll_msknan3d ! logical mask for undeff detection |
|---|
| 1492 | LOGICAL, DIMENSION (ileni,ilenj) :: ll_msknan2d ! logical mask for undeff detection |
|---|
| 1493 | !!---------------------------------------------------------------------- |
|---|
| 1494 | zmat8 = eoshift( zfieldn , SHIFT=-1 , BOUNDARY = (/zfieldn(:,1)/) , DIM=2 ) |
|---|
| 1495 | zmat1 = eoshift( zmat8 , SHIFT=-1 , BOUNDARY = (/zmat8(1,:)/) , DIM=1 ) |
|---|
| 1496 | zmat2 = eoshift( zfieldn , SHIFT=-1 , BOUNDARY = (/zfieldn(1,:)/) , DIM=1 ) |
|---|
| 1497 | zmat4 = eoshift( zfieldn , SHIFT= 1 , BOUNDARY = (/zfieldn(:,ilenj)/) , DIM=2 ) |
|---|
| 1498 | zmat3 = eoshift( zmat4 , SHIFT=-1 , BOUNDARY = (/zmat4(1,:)/) , DIM=1 ) |
|---|
| 1499 | zmat5 = eoshift( zmat4 , SHIFT= 1 , BOUNDARY = (/zmat4(ileni,:)/) , DIM=1 ) |
|---|
| 1500 | zmat6 = eoshift( zfieldn , SHIFT= 1 , BOUNDARY = (/zfieldn(ileni,:)/) , DIM=1 ) |
|---|
| 1501 | zmat7 = eoshift( zmat8 , SHIFT= 1 , BOUNDARY = (/zmat8(ileni,:)/) , DIM=1 ) |
|---|
| 1502 | ! |
|---|
| 1503 | zlsm3d = RESHAPE( (/ zmat1, zmat2, zmat3, zmat4, zmat5, zmat6, zmat7, zmat8 /), (/ ileni, ilenj, 8 /)) |
|---|
| 1504 | ll_msknan3d = .NOT.( zlsm3d == undeff_lsm ) |
|---|
| 1505 | ll_msknan2d = .NOT.( zfieldn == undeff_lsm ) ! FALSE where is Undeff (land) |
|---|
| 1506 | zlsm2d = SUM( zlsm3d, 3 , ll_msknan3d ) / MAX( 1 , COUNT( ll_msknan3d , 3 ) ) |
|---|
| 1507 | WHERE( COUNT( ll_msknan3d , 3 ) == 0._wp ) zlsm2d = undeff_lsm |
|---|
| 1508 | zfield = MERGE( zfieldn, zlsm2d, ll_msknan2d ) |
|---|
| 1509 | ! |
|---|
| 1510 | END SUBROUTINE seaoverland |
|---|
| 1511 | |
|---|
| 1512 | |
|---|
| 1513 | SUBROUTINE fld_interp( num, clvar, kw, kk, dta, & |
|---|
| 1514 | & nrec, lsmfile) |
|---|
| 1515 | !!--------------------------------------------------------------------- |
|---|
| 1516 | !! *** ROUTINE fld_interp *** |
|---|
| 1517 | !! |
|---|
| 1518 | !! ** Purpose : apply weights to input gridded data to create data |
|---|
| 1519 | !! on model grid |
|---|
| 1520 | !!---------------------------------------------------------------------- |
|---|
| 1521 | INTEGER , INTENT(in ) :: num ! stream number |
|---|
| 1522 | CHARACTER(LEN=*) , INTENT(in ) :: clvar ! variable name |
|---|
| 1523 | INTEGER , INTENT(in ) :: kw ! weights number |
|---|
| 1524 | INTEGER , INTENT(in ) :: kk ! vertical dimension of kk |
|---|
| 1525 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: dta ! output field on model grid |
|---|
| 1526 | INTEGER , INTENT(in ) :: nrec ! record number to read (ie time slice) |
|---|
| 1527 | CHARACTER(LEN=*) , INTENT(in ) :: lsmfile ! land sea mask file name |
|---|
| 1528 | ! |
|---|
| 1529 | INTEGER, DIMENSION(3) :: rec1, recn ! temporary arrays for start and length |
|---|
| 1530 | INTEGER, DIMENSION(3) :: rec1_lsm, recn_lsm ! temporary arrays for start and length in case of seaoverland |
|---|
| 1531 | INTEGER :: ii_lsm1,ii_lsm2,ij_lsm1,ij_lsm2 ! temporary indices |
|---|
| 1532 | INTEGER :: jk, jn, jm, jir, jjr ! loop counters |
|---|
| 1533 | INTEGER :: ni, nj ! lengths |
|---|
| 1534 | INTEGER :: jpimin,jpiwid ! temporary indices |
|---|
| 1535 | INTEGER :: jpimin_lsm,jpiwid_lsm ! temporary indices |
|---|
| 1536 | INTEGER :: jpjmin,jpjwid ! temporary indices |
|---|
| 1537 | INTEGER :: jpjmin_lsm,jpjwid_lsm ! temporary indices |
|---|
| 1538 | INTEGER :: jpi1,jpi2,jpj1,jpj2 ! temporary indices |
|---|
| 1539 | INTEGER :: jpi1_lsm,jpi2_lsm,jpj1_lsm,jpj2_lsm ! temporary indices |
|---|
| 1540 | INTEGER :: itmpi,itmpj,itmpz ! lengths |
|---|
| 1541 | REAL(wp),DIMENSION(:,:,:), ALLOCATABLE :: ztmp_fly_dta ! local array of values on input grid |
|---|
| 1542 | !!---------------------------------------------------------------------- |
|---|
| 1543 | ! |
|---|
| 1544 | !! for weighted interpolation we have weights at four corners of a box surrounding |
|---|
| 1545 | !! a model grid point, each weight is multiplied by a grid value (bilinear case) |
|---|
| 1546 | !! or by a grid value and gradients at the corner point (bicubic case) |
|---|
| 1547 | !! so we need to have a 4 by 4 subgrid surrounding each model point to cover both cases |
|---|
| 1548 | |
|---|
| 1549 | !! sub grid from non-model input grid which encloses all grid points in this nemo process |
|---|
| 1550 | jpimin = ref_wgts(kw)%botleft(1) |
|---|
| 1551 | jpjmin = ref_wgts(kw)%botleft(2) |
|---|
| 1552 | jpiwid = ref_wgts(kw)%jpiwgt |
|---|
| 1553 | jpjwid = ref_wgts(kw)%jpjwgt |
|---|
| 1554 | |
|---|
| 1555 | !! when reading in, expand this sub-grid by one halo point all the way round for calculating gradients |
|---|
| 1556 | rec1(1) = MAX( jpimin-1, 1 ) |
|---|
| 1557 | rec1(2) = MAX( jpjmin-1, 1 ) |
|---|
| 1558 | rec1(3) = 1 |
|---|
| 1559 | recn(1) = MIN( jpiwid+2, ref_wgts(kw)%ddims(1)-rec1(1)+1 ) |
|---|
| 1560 | recn(2) = MIN( jpjwid+2, ref_wgts(kw)%ddims(2)-rec1(2)+1 ) |
|---|
| 1561 | recn(3) = kk |
|---|
| 1562 | |
|---|
| 1563 | !! where we need to put it in the non-nemo grid fly_dta |
|---|
| 1564 | !! note that jpi1 and jpj1 only differ from 1 when jpimin and jpjmin are 1 |
|---|
| 1565 | !! (ie at the extreme west or south of the whole input grid) and similarly for jpi2 and jpj2 |
|---|
| 1566 | jpi1 = 2 + rec1(1) - jpimin |
|---|
| 1567 | jpj1 = 2 + rec1(2) - jpjmin |
|---|
| 1568 | jpi2 = jpi1 + recn(1) - 1 |
|---|
| 1569 | jpj2 = jpj1 + recn(2) - 1 |
|---|
| 1570 | |
|---|
| 1571 | |
|---|
| 1572 | IF( LEN( TRIM(lsmfile) ) > 0 ) THEN |
|---|
| 1573 | !! indeces for ztmp_fly_dta |
|---|
| 1574 | ! -------------------------- |
|---|
| 1575 | rec1_lsm(1)=MAX(rec1(1)-nn_lsm,1) ! starting index for enlarged external data, x direction |
|---|
| 1576 | rec1_lsm(2)=MAX(rec1(2)-nn_lsm,1) ! starting index for enlarged external data, y direction |
|---|
| 1577 | rec1_lsm(3) = 1 ! vertical dimension |
|---|
| 1578 | recn_lsm(1)=MIN(rec1(1)-rec1_lsm(1)+recn(1)+nn_lsm,ref_wgts(kw)%ddims(1)-rec1_lsm(1)) ! n points in x direction |
|---|
| 1579 | recn_lsm(2)=MIN(rec1(2)-rec1_lsm(2)+recn(2)+nn_lsm,ref_wgts(kw)%ddims(2)-rec1_lsm(2)) ! n points in y direction |
|---|
| 1580 | recn_lsm(3) = kk ! number of vertical levels in the input file |
|---|
| 1581 | |
|---|
| 1582 | ! Avoid out of bound |
|---|
| 1583 | jpimin_lsm = MAX( rec1_lsm(1)+1, 1 ) |
|---|
| 1584 | jpjmin_lsm = MAX( rec1_lsm(2)+1, 1 ) |
|---|
| 1585 | jpiwid_lsm = MIN( recn_lsm(1)-2,ref_wgts(kw)%ddims(1)-rec1(1)+1) |
|---|
| 1586 | jpjwid_lsm = MIN( recn_lsm(2)-2,ref_wgts(kw)%ddims(2)-rec1(2)+1) |
|---|
| 1587 | |
|---|
| 1588 | jpi1_lsm = 2+rec1_lsm(1)-jpimin_lsm |
|---|
| 1589 | jpj1_lsm = 2+rec1_lsm(2)-jpjmin_lsm |
|---|
| 1590 | jpi2_lsm = jpi1_lsm + recn_lsm(1) - 1 |
|---|
| 1591 | jpj2_lsm = jpj1_lsm + recn_lsm(2) - 1 |
|---|
| 1592 | |
|---|
| 1593 | |
|---|
| 1594 | itmpi=jpi2_lsm-jpi1_lsm+1 |
|---|
| 1595 | itmpj=jpj2_lsm-jpj1_lsm+1 |
|---|
| 1596 | itmpz=kk |
|---|
| 1597 | ALLOCATE(ztmp_fly_dta(itmpi,itmpj,itmpz)) |
|---|
| 1598 | ztmp_fly_dta(:,:,:) = 0.0 |
|---|
| 1599 | SELECT CASE( SIZE(ztmp_fly_dta(jpi1_lsm:jpi2_lsm,jpj1_lsm:jpj2_lsm,:),3) ) |
|---|
| 1600 | CASE(1) |
|---|
| 1601 | CALL iom_get( num, jpdom_unknown, clvar, ztmp_fly_dta(jpi1_lsm:jpi2_lsm,jpj1_lsm:jpj2_lsm,1), & |
|---|
| 1602 | & nrec, rec1_lsm, recn_lsm) |
|---|
| 1603 | CASE DEFAULT |
|---|
| 1604 | CALL iom_get( num, jpdom_unknown, clvar, ztmp_fly_dta(jpi1_lsm:jpi2_lsm,jpj1_lsm:jpj2_lsm,:), & |
|---|
| 1605 | & nrec, rec1_lsm, recn_lsm) |
|---|
| 1606 | END SELECT |
|---|
| 1607 | CALL apply_seaoverland(lsmfile,ztmp_fly_dta(jpi1_lsm:jpi2_lsm,jpj1_lsm:jpj2_lsm,:), & |
|---|
| 1608 | & jpi1_lsm,jpi2_lsm,jpj1_lsm,jpj2_lsm, & |
|---|
| 1609 | & itmpi,itmpj,itmpz,rec1_lsm,recn_lsm) |
|---|
| 1610 | |
|---|
| 1611 | |
|---|
| 1612 | ! Relative indeces for remapping |
|---|
| 1613 | ii_lsm1 = (rec1(1)-rec1_lsm(1))+1 |
|---|
| 1614 | ii_lsm2 = (ii_lsm1+recn(1))-1 |
|---|
| 1615 | ij_lsm1 = (rec1(2)-rec1_lsm(2))+1 |
|---|
| 1616 | ij_lsm2 = (ij_lsm1+recn(2))-1 |
|---|
| 1617 | |
|---|
| 1618 | ref_wgts(kw)%fly_dta(:,:,:) = 0.0 |
|---|
| 1619 | ref_wgts(kw)%fly_dta(jpi1:jpi2,jpj1:jpj2,:) = ztmp_fly_dta(ii_lsm1:ii_lsm2,ij_lsm1:ij_lsm2,:) |
|---|
| 1620 | DEALLOCATE(ztmp_fly_dta) |
|---|
| 1621 | |
|---|
| 1622 | ELSE |
|---|
| 1623 | |
|---|
| 1624 | ref_wgts(kw)%fly_dta(:,:,:) = 0.0 |
|---|
| 1625 | SELECT CASE( SIZE(ref_wgts(kw)%fly_dta(jpi1:jpi2,jpj1:jpj2,:),3) ) |
|---|
| 1626 | CASE(1) |
|---|
| 1627 | CALL iom_get( num, jpdom_unknown, clvar, ref_wgts(kw)%fly_dta(jpi1:jpi2,jpj1:jpj2,1), nrec, rec1, recn) |
|---|
| 1628 | CASE DEFAULT |
|---|
| 1629 | CALL iom_get( num, jpdom_unknown, clvar, ref_wgts(kw)%fly_dta(jpi1:jpi2,jpj1:jpj2,:), nrec, rec1, recn) |
|---|
| 1630 | END SELECT |
|---|
| 1631 | ENDIF |
|---|
| 1632 | |
|---|
| 1633 | |
|---|
| 1634 | !! first four weights common to both bilinear and bicubic |
|---|
| 1635 | !! data_jpi, data_jpj have already been shifted to (1,1) corresponding to botleft |
|---|
| 1636 | !! note that we have to offset by 1 into fly_dta array because of halo |
|---|
| 1637 | dta(:,:,:) = 0.0 |
|---|
| 1638 | DO jk = 1,4 |
|---|
| 1639 | DO jn = 1, jpj |
|---|
| 1640 | DO jm = 1,jpi |
|---|
| 1641 | ni = ref_wgts(kw)%data_jpi(jm,jn,jk) |
|---|
| 1642 | nj = ref_wgts(kw)%data_jpj(jm,jn,jk) |
|---|
| 1643 | dta(jm,jn,:) = dta(jm,jn,:) + ref_wgts(kw)%data_wgt(jm,jn,jk) * ref_wgts(kw)%fly_dta(ni+1,nj+1,:) |
|---|
| 1644 | END DO |
|---|
| 1645 | END DO |
|---|
| 1646 | END DO |
|---|
| 1647 | |
|---|
| 1648 | IF (ref_wgts(kw)%numwgt .EQ. 16) THEN |
|---|
| 1649 | |
|---|
| 1650 | !! fix up halo points that we couldnt read from file |
|---|
| 1651 | IF( jpi1 == 2 ) THEN |
|---|
| 1652 | ref_wgts(kw)%fly_dta(jpi1-1,:,:) = ref_wgts(kw)%fly_dta(jpi1,:,:) |
|---|
| 1653 | ENDIF |
|---|
| 1654 | IF( jpi2 + jpimin - 1 == ref_wgts(kw)%ddims(1)+1 ) THEN |
|---|
| 1655 | ref_wgts(kw)%fly_dta(jpi2+1,:,:) = ref_wgts(kw)%fly_dta(jpi2,:,:) |
|---|
| 1656 | ENDIF |
|---|
| 1657 | IF( jpj1 == 2 ) THEN |
|---|
| 1658 | ref_wgts(kw)%fly_dta(:,jpj1-1,:) = ref_wgts(kw)%fly_dta(:,jpj1,:) |
|---|
| 1659 | ENDIF |
|---|
| 1660 | IF( jpj2 + jpjmin - 1 == ref_wgts(kw)%ddims(2)+1 .AND. jpj2 .lt. jpjwid+2 ) THEN |
|---|
| 1661 | ref_wgts(kw)%fly_dta(:,jpj2+1,:) = 2.0*ref_wgts(kw)%fly_dta(:,jpj2,:) - ref_wgts(kw)%fly_dta(:,jpj2-1,:) |
|---|
| 1662 | ENDIF |
|---|
| 1663 | |
|---|
| 1664 | !! if data grid is cyclic we can do better on east-west edges |
|---|
| 1665 | !! but have to allow for whether first and last columns are coincident |
|---|
| 1666 | IF( ref_wgts(kw)%cyclic ) THEN |
|---|
| 1667 | rec1(2) = MAX( jpjmin-1, 1 ) |
|---|
| 1668 | recn(1) = 1 |
|---|
| 1669 | recn(2) = MIN( jpjwid+2, ref_wgts(kw)%ddims(2)-rec1(2)+1 ) |
|---|
| 1670 | jpj1 = 2 + rec1(2) - jpjmin |
|---|
| 1671 | jpj2 = jpj1 + recn(2) - 1 |
|---|
| 1672 | IF( jpi1 == 2 ) THEN |
|---|
| 1673 | rec1(1) = ref_wgts(kw)%ddims(1) - ref_wgts(kw)%overlap |
|---|
| 1674 | SELECT CASE( SIZE( ref_wgts(kw)%col(:,jpj1:jpj2,:),3) ) |
|---|
| 1675 | CASE(1) |
|---|
| 1676 | CALL iom_get( num, jpdom_unknown, clvar, ref_wgts(kw)%col(:,jpj1:jpj2,1), nrec, rec1, recn) |
|---|
| 1677 | CASE DEFAULT |
|---|
| 1678 | CALL iom_get( num, jpdom_unknown, clvar, ref_wgts(kw)%col(:,jpj1:jpj2,:), nrec, rec1, recn) |
|---|
| 1679 | END SELECT |
|---|
| 1680 | ref_wgts(kw)%fly_dta(jpi1-1,jpj1:jpj2,:) = ref_wgts(kw)%col(1,jpj1:jpj2,:) |
|---|
| 1681 | ENDIF |
|---|
| 1682 | IF( jpi2 + jpimin - 1 == ref_wgts(kw)%ddims(1)+1 ) THEN |
|---|
| 1683 | rec1(1) = 1 + ref_wgts(kw)%overlap |
|---|
| 1684 | SELECT CASE( SIZE( ref_wgts(kw)%col(:,jpj1:jpj2,:),3) ) |
|---|
| 1685 | CASE(1) |
|---|
| 1686 | CALL iom_get( num, jpdom_unknown, clvar, ref_wgts(kw)%col(:,jpj1:jpj2,1), nrec, rec1, recn) |
|---|
| 1687 | CASE DEFAULT |
|---|
| 1688 | CALL iom_get( num, jpdom_unknown, clvar, ref_wgts(kw)%col(:,jpj1:jpj2,:), nrec, rec1, recn) |
|---|
| 1689 | END SELECT |
|---|
| 1690 | ref_wgts(kw)%fly_dta(jpi2+1,jpj1:jpj2,:) = ref_wgts(kw)%col(1,jpj1:jpj2,:) |
|---|
| 1691 | ENDIF |
|---|
| 1692 | ENDIF |
|---|
| 1693 | |
|---|
| 1694 | ! gradient in the i direction |
|---|
| 1695 | DO jk = 1,4 |
|---|
| 1696 | DO jn = 1, jpj |
|---|
| 1697 | DO jm = 1,jpi |
|---|
| 1698 | ni = ref_wgts(kw)%data_jpi(jm,jn,jk) |
|---|
| 1699 | nj = ref_wgts(kw)%data_jpj(jm,jn,jk) |
|---|
| 1700 | dta(jm,jn,:) = dta(jm,jn,:) + ref_wgts(kw)%data_wgt(jm,jn,jk+4) * 0.5 * & |
|---|
| 1701 | (ref_wgts(kw)%fly_dta(ni+2,nj+1,:) - ref_wgts(kw)%fly_dta(ni,nj+1,:)) |
|---|
| 1702 | END DO |
|---|
| 1703 | END DO |
|---|
| 1704 | END DO |
|---|
| 1705 | |
|---|
| 1706 | ! gradient in the j direction |
|---|
| 1707 | DO jk = 1,4 |
|---|
| 1708 | DO jn = 1, jpj |
|---|
| 1709 | DO jm = 1,jpi |
|---|
| 1710 | ni = ref_wgts(kw)%data_jpi(jm,jn,jk) |
|---|
| 1711 | nj = ref_wgts(kw)%data_jpj(jm,jn,jk) |
|---|
| 1712 | dta(jm,jn,:) = dta(jm,jn,:) + ref_wgts(kw)%data_wgt(jm,jn,jk+8) * 0.5 * & |
|---|
| 1713 | (ref_wgts(kw)%fly_dta(ni+1,nj+2,:) - ref_wgts(kw)%fly_dta(ni+1,nj,:)) |
|---|
| 1714 | END DO |
|---|
| 1715 | END DO |
|---|
| 1716 | END DO |
|---|
| 1717 | |
|---|
| 1718 | ! gradient in the ij direction |
|---|
| 1719 | DO jk = 1,4 |
|---|
| 1720 | DO jn = 1, jpj |
|---|
| 1721 | DO jm = 1,jpi |
|---|
| 1722 | ni = ref_wgts(kw)%data_jpi(jm,jn,jk) |
|---|
| 1723 | nj = ref_wgts(kw)%data_jpj(jm,jn,jk) |
|---|
| 1724 | dta(jm,jn,:) = dta(jm,jn,:) + ref_wgts(kw)%data_wgt(jm,jn,jk+12) * 0.25 * ( & |
|---|
| 1725 | (ref_wgts(kw)%fly_dta(ni+2,nj+2,:) - ref_wgts(kw)%fly_dta(ni ,nj+2,:)) - & |
|---|
| 1726 | (ref_wgts(kw)%fly_dta(ni+2,nj ,:) - ref_wgts(kw)%fly_dta(ni ,nj ,:))) |
|---|
| 1727 | END DO |
|---|
| 1728 | END DO |
|---|
| 1729 | END DO |
|---|
| 1730 | ! |
|---|
| 1731 | END IF |
|---|
| 1732 | ! |
|---|
| 1733 | END SUBROUTINE fld_interp |
|---|
| 1734 | |
|---|
| 1735 | |
|---|
| 1736 | FUNCTION ksec_week( cdday ) |
|---|
| 1737 | !!--------------------------------------------------------------------- |
|---|
| 1738 | !! *** FUNCTION kshift_week *** |
|---|
| 1739 | !! |
|---|
| 1740 | !! ** Purpose : return the first 3 letters of the first day of the weekly file |
|---|
| 1741 | !!--------------------------------------------------------------------- |
|---|
| 1742 | CHARACTER(len=*), INTENT(in) :: cdday ! first 3 letters of the first day of the weekly file |
|---|
| 1743 | !! |
|---|
| 1744 | INTEGER :: ksec_week ! output variable |
|---|
| 1745 | INTEGER :: ijul, ishift ! local integer |
|---|
| 1746 | CHARACTER(len=3),DIMENSION(7) :: cl_week |
|---|
| 1747 | !!---------------------------------------------------------------------- |
|---|
| 1748 | cl_week = (/"sun","sat","fri","thu","wed","tue","mon"/) |
|---|
| 1749 | DO ijul = 1, 7 |
|---|
| 1750 | IF( cl_week(ijul) == TRIM(cdday) ) EXIT |
|---|
| 1751 | END DO |
|---|
| 1752 | IF( ijul .GT. 7 ) CALL ctl_stop( 'ksec_week: wrong day for sdjf%cltype(6:8): '//TRIM(cdday) ) |
|---|
| 1753 | ! |
|---|
| 1754 | ishift = ijul * NINT(rday) |
|---|
| 1755 | ! |
|---|
| 1756 | ksec_week = nsec_week + ishift |
|---|
| 1757 | ksec_week = MOD( ksec_week, 7*NINT(rday) ) |
|---|
| 1758 | ! |
|---|
| 1759 | END FUNCTION ksec_week |
|---|
| 1760 | |
|---|
| 1761 | !!====================================================================== |
|---|
| 1762 | END MODULE fldread |
|---|
