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molod |
1.3 |
C $Header: /u/gcmpack/MITgcm/pkg/fizhi/update_ocean_exports.F,v 1.2 2004/06/07 18:11:38 molod Exp $ |
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molod |
1.1 |
C $Name: $ |
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subroutine update_ocean_exports (myTime, myIter, myThid) |
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c---------------------------------------------------------------------- |
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c Subroutine update_ocean_exports - 'Wrapper' routine to update |
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c the fields related to the ocean's surface that are needed |
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molod |
1.3 |
c by fizhi (sst and sea ice extent). |
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molod |
1.1 |
c |
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c Call: getsst (Return the current sst field-read dataset if needed) |
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c getsice (Return the current sea ice field-read data if needed) |
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c----------------------------------------------------------------------- |
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implicit none |
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#include "CPP_OPTIONS.h" |
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#include "SIZE.h" |
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#include "GRID.h" |
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molod |
1.2 |
#include "fizhi_ocean_coms.h" |
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molod |
1.1 |
#include "EEPARAMS.h" |
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molod |
1.3 |
#include "chronos.h" |
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molod |
1.1 |
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integer myTime, myIter, myThid |
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integer i, j, L, bi, bj |
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integer im1, im2, jm1, jm2, idim1, idim2, jdim1, jdim2 |
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im1 = 1-OLx |
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im2 = sNx+OLx |
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jm1 = 1-OLy |
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jm2 = sNy+OLy |
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idim1 = 1 |
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idim2 = sNx |
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jdim1 = 1 |
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jdim2 = sNy |
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molod |
1.3 |
integer ksst,kice |
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molod |
1.1 |
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molod |
1.3 |
c Declare Local Variables |
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c ----------------------- |
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real sstmin |
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parameter ( sstmin = 273.16 ) |
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molod |
1.1 |
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molod |
1.3 |
integer i,j,im,jm |
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C********************************************************************* |
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C**** Interpolate Data to Current Time **** |
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C********************************************************************* |
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call getsst (ksst,nymd,nhms,sst,im,jm) |
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call getsice (kice,nymd,nhms,sice,im,jm) |
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c Check for Minimum Open-Water SST |
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c -------------------------------- |
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do j=1,jm |
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do i=1,im |
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if(sice(i,j).eq.0.0 .and. sst(i,j).lt.sstmin)sst(i,j) = sstmin |
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molod |
1.1 |
enddo |
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enddo |
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return |
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end |
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molod |
1.3 |
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subroutine getsice ( iunit,nymd,nhms,sice,im,jm ) |
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C************************************************************************ |
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C!GETSICE |
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C************************************************************************ |
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C |
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C!ROUTINE: GETSICE |
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C!PROGRAMMER: Sharon Nebuda |
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C!DATE CODED: May 8, 1996 |
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C!DESCRIPTION: GETSICE returns the sea ice depth. |
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C! This routine is adaptable for any frequency |
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C! data upto a daily frequency. |
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C! note: for diurnal data ndmax should be increased. |
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C |
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C!INPUT PARAMETERS: |
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C! iunit Unit number assigned to the sice data file |
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C! nymd YYMMDD of the current model timestep |
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C! nhms HHMMSS of the model time |
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C! im Number of x points |
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C! jm Number of y points |
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C! lattice Grid Decomposition defined by Dynamics |
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C |
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C!OUTPUT PARAMETERS: |
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C! sice(im,jm) Sea ice depth in meters |
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C |
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C!ROUTINES CALLED: |
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C |
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C! bcdata Reads the data for a given unit number |
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C! bcheader Reads the header info for a given unit number |
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C! interp_time Returns weights for linear interpolation |
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C |
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C-------------------------------------------------------------------------- |
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use dynamics_lattice_module |
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implicit none |
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type ( dynamics_lattice_type ) lattice |
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c MPI Utilities |
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c ------------- |
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include 'mpif.h' |
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integer ierror |
| 102 |
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| 103 |
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C Parameter statements |
| 104 |
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integer ndmax ! Maximum number of dates in one year for the data |
| 105 |
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parameter (ndmax = 370) |
| 106 |
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| 107 |
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C Variables passed to the routine: |
| 108 |
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integer iunit ! Unit number assigned to the sea ice data file |
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integer nymd ! YYMMDD of the current model timestep |
| 110 |
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integer nhms ! HHMMSS of the model time |
| 111 |
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integer im ! Number of x points |
| 112 |
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integer jm ! Number of y points |
| 113 |
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| 114 |
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C Variables returned by the routine: |
| 115 |
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real sice(im,jm) ! Sea ice depth in meters |
| 116 |
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| 117 |
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C Variables unique to the routine: |
| 118 |
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character*8 cname ! Name of the data in the file header |
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character*80 cdscrip ! Description of the data in the file header |
| 120 |
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real fac1 ! Weighted value (fraction) of the data |
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! before the model time |
| 122 |
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real fac2 ! Weighted value (fraction) of the data |
| 123 |
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! after the model time |
| 124 |
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logical first ! True for first time using the dates for the |
| 125 |
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! BC data file. Then read in the header file. |
| 126 |
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logical found ! If false, then the data surrounding the model |
| 127 |
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! time was not found |
| 128 |
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logical error ! TRUE if problem with data |
| 129 |
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integer i,j,n,nn ! DO loop counters |
| 130 |
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integer iyear ! Year of model |
| 131 |
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integer iyearbc ! Year of boundary condition data |
| 132 |
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real lat0 ! Starting lat of the bc data set (future use) |
| 133 |
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real lon0 ! Starting lon of the bc data set (future use) |
| 134 |
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integer nd ! Counter for record number of data to read |
| 135 |
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integer ndby3 ! int(ndatebc/3) used for write statement |
| 136 |
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integer imbc ! IM read from the BC data |
| 137 |
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integer jmbc ! JM read from the BC data |
| 138 |
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integer ndatebc ! Number of dates in the BC file |
| 139 |
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integer nhmsbc(ndmax) ! HHMMSS of the data time (not needed currently) |
| 140 |
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integer nhmsbc1 ! HHMMSS of the earlier data kept from last timestep |
| 141 |
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integer nhmsbc2 ! HHMMSS of the later data kept from last timestep |
| 142 |
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integer nrec ! Record number of the header (set to 1) |
| 143 |
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integer nymdbc(ndmax) ! YYYYMMDD of each data |
| 144 |
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integer nymdbc1 ! YYYYMMDD of the earlier data kept from last timestep |
| 145 |
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integer nymdbc2 ! YYYYMMDD of the later data kept from last timestep |
| 146 |
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integer nymdmod ! YYYYMMDD of the current model timestep |
| 147 |
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real timebc1 ! YYYYMMDD.HHMMSS of the earlier bc data |
| 148 |
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real timebc2 ! YYYYMMDD.HHMMSS of the later bc data |
| 149 |
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real timemod ! YYYYMMDD.HHMMSS of the current timestep |
| 150 |
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real undef ! Undefined value for missing data |
| 151 |
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| 152 |
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C Define Allocatable Arrays |
| 153 |
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real, allocatable, save :: sicebc1(:,:) ! Sea ice 0=no 1=yes from the bc data |
| 154 |
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! of the date before the model time |
| 155 |
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real, allocatable, save :: sicebc2(:,:) ! Sea ice 0=no 1=yes from bc data |
| 156 |
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! of the date after the model time |
| 157 |
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| 158 |
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C--------- Variable Initialization --------------------------------- |
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| 160 |
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data first /.true./ |
| 161 |
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data error /.false./ |
| 162 |
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| 163 |
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c save header info |
| 164 |
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save imbc, jmbc, lat0, lon0, ndatebc, undef, nymdbc, nhmsbc |
| 165 |
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save nymdbc1, nymdbc2, nhmsbc1, nhmsbc2 |
| 166 |
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save first |
| 167 |
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| 168 |
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c this only works for between 1950-2050 |
| 169 |
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if (nymd .lt. 500101) then |
| 170 |
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nymdmod = 20000000 + nymd |
| 171 |
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else if (nymd .le. 991231) then |
| 172 |
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nymdmod = 19000000 + nymd |
| 173 |
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else |
| 174 |
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nymdmod = nymd |
| 175 |
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endif |
| 176 |
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| 177 |
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c initialize so that first time through they have values for the check |
| 178 |
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c these vaules make the iyear .ne. iyearbc true anyways for |
| 179 |
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c for the first time so first isnt checked below. |
| 180 |
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| 181 |
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if (first) then |
| 182 |
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allocate ( sicebc1(lattice%imglobal,lattice%jmglobal) ) ! Allocate Memory for sicebc1 |
| 183 |
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allocate ( sicebc2(lattice%imglobal,lattice%jmglobal) ) ! Allocate Memory for sicebc2 |
| 184 |
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nymdbc(2) = 0 |
| 185 |
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nymdbc1 = 0 |
| 186 |
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nymdbc2 = 0 |
| 187 |
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nhmsbc1 = 0 |
| 188 |
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nhmsbc2 = 0 |
| 189 |
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first = .false. |
| 190 |
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endif |
| 191 |
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| 192 |
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C---------- Read in Header file ---------------------------------- |
| 193 |
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| 194 |
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iyear = nymdmod/10000 |
| 195 |
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iyearbc = nymdbc(2)/10000 |
| 196 |
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| 197 |
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if( iyear.ne.iyearbc ) then |
| 198 |
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if( lattice%myid.eq.0 ) then |
| 199 |
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| 200 |
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close(iunit) |
| 201 |
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open (iunit, form='unformatted', access='direct',recl=lattice%imglobal*lattice%jmglobal*4) |
| 202 |
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nrec = 1 |
| 203 |
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call bcheader (iunit, ndmax, nrec, |
| 204 |
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. cname, cdscrip, imbc, jmbc, lat0, lon0, |
| 205 |
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. ndatebc, nymdbc, nhmsbc, undef, error) |
| 206 |
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| 207 |
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C--------- Check data for Compatibility ------------------------------ |
| 208 |
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| 209 |
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C Check for correct data in boundary condition file |
| 210 |
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if (.not.error .and. cname.ne.'SICE') then |
| 211 |
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write(6,*) 'Wrong data in SICE boundary condition file => ',cname |
| 212 |
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error = .true. |
| 213 |
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endif |
| 214 |
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| 215 |
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C Check Horizontal Resolution |
| 216 |
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if (.not.error .and. imbc*jmbc.ne.lattice%imglobal*lattice%jmglobal) then |
| 217 |
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write(6,*) 'Boundary Condition Resolution DOES NOT match Model Resolution!' |
| 218 |
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write(6,*) 'Boundary Condition Resolution: ',imbc*jmbc |
| 219 |
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write(6,*) ' Model Resolution: ',lattice%imglobal*lattice%jmglobal |
| 220 |
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error = .true. |
| 221 |
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endif |
| 222 |
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| 223 |
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C Check Year |
| 224 |
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iyearbc = nymdbc(2)/10000 |
| 225 |
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if (.not.error .and. iyear.ne.iyearbc .and. iyearbc.ne.0) then |
| 226 |
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write(6,*) 'Boundary Condition Year DOES NOT match REQUESTED Year!' |
| 227 |
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write(6,*) 'Boundary Condition Year: ', iyearbc |
| 228 |
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write(6,*) ' Requested Year: ', iyear |
| 229 |
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error = .true. |
| 230 |
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endif |
| 231 |
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| 232 |
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if (.not.error) then |
| 233 |
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C if climatology, fill dates for data with current model year |
| 234 |
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if (iyearbc.eq.0) then |
| 235 |
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write(6,*) |
| 236 |
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write(6,*) 'Climatological Dataset is being used.' |
| 237 |
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write(6,*) 'Current model year will be used to fill Header Dates' |
| 238 |
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do n = 2, ndatebc-1 |
| 239 |
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nymdbc(n) = nymdbc(n) +(nymdmod/10000)*10000 |
| 240 |
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enddo |
| 241 |
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C For the first date subtract 1 year from the current model NYMD |
| 242 |
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n = 1 |
| 243 |
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nymdbc(n) = nymdbc(n) +(nymdmod/10000-1)*10000 |
| 244 |
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C For the last date add 1 year to the current model NYMD |
| 245 |
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n = ndatebc |
| 246 |
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nymdbc(n) = nymdbc(n) +(nymdmod/10000+1)*10000 |
| 247 |
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endif |
| 248 |
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| 249 |
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C Write out header info |
| 250 |
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write(6,*) ' Updated boundary condition data' |
| 251 |
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write(6,*) ' ---------------------------------' |
| 252 |
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write(6,*) ' Variable: ',cname |
| 253 |
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write(6,*) ' Description: ',cdscrip |
| 254 |
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write(6,*) ' Resolution: x= ',imbc,' y= ',jmbc,' Undefined value = ',undef |
| 255 |
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write(6,*) ' Starting latitude = ',lat0,' longitude =',lon0 |
| 256 |
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write(6,*) ' Data valid at these times: ' |
| 257 |
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ndby3 = ndatebc/3 |
| 258 |
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do n = 1, ndby3*3,3 |
| 259 |
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write(6,1000) (nn,nymdbc(nn),nhmsbc(nn),nn=n,n+2) |
| 260 |
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1000 format(3(2x,i3,':',i8,2x,i8)) |
| 261 |
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enddo |
| 262 |
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write(6,1000) (nn,nymdbc(nn),nhmsbc(nn),nn=ndby3*3+1,ndatebc) |
| 263 |
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endif ! End error Check |
| 264 |
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| 265 |
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endif ! End MYID=0 Check |
| 266 |
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| 267 |
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c Broadcast information to other PEs |
| 268 |
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c ---------------------------------- |
| 269 |
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#if (mpi) |
| 270 |
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call mpi_bcast ( error,1,mpi_logical,0,lattice%comm,ierror ) |
| 271 |
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#endif |
| 272 |
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if( error ) call my_exit (101) |
| 273 |
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| 274 |
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#if (mpi) |
| 275 |
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call mpi_bcast ( ndatebc,1 ,mpi_integer,0,lattice%comm,ierror ) |
| 276 |
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call mpi_bcast ( nymdbc,ndatebc,mpi_integer,0,lattice%comm,ierror ) |
| 277 |
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call mpi_bcast ( nhmsbc,ndatebc,mpi_integer,0,lattice%comm,ierror ) |
| 278 |
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#endif |
| 279 |
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| 280 |
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endif ! New Year Info Check |
| 281 |
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| 282 |
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C---------- Read sice data if necessary ------------------------------- |
| 283 |
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| 284 |
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found = .false. |
| 285 |
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nd = 2 |
| 286 |
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| 287 |
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c If model time is not within the times of saved sice data |
| 288 |
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c from previous call to getsice then read new data |
| 289 |
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| 290 |
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timemod = float(nymdmod) + float(nhms) /1000000 |
| 291 |
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timebc1 = float(nymdbc1) + float(nhmsbc1)/1000000 |
| 292 |
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timebc2 = float(nymdbc2) + float(nhmsbc2)/1000000 |
| 293 |
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if (timemod .lt. timebc1 .or. timemod .ge. timebc2) then |
| 294 |
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| 295 |
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do while (.not.found .and. nd .le. ndatebc) |
| 296 |
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timebc2 = float(nymdbc(nd)) + float(nhmsbc(nd))/1000000 |
| 297 |
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if (timebc2 .gt. timemod) then |
| 298 |
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nymdbc1 = nymdbc(nd-1) |
| 299 |
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nymdbc2 = nymdbc(nd) |
| 300 |
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nhmsbc1 = nhmsbc(nd-1) |
| 301 |
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nhmsbc2 = nhmsbc(nd) |
| 302 |
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if ( lattice%myid.eq.0 ) call bcdata (iunit, imbc, jmbc, nd, nd+1, sicebc1, sicebc2) |
| 303 |
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#if (mpi) |
| 304 |
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call mpi_bcast ( sicebc1,lattice%imglobal*lattice%jmglobal,mpi_double_precision,0,lattice%comm,ierror ) |
| 305 |
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call mpi_bcast ( sicebc2,lattice%imglobal*lattice%jmglobal,mpi_double_precision,0,lattice%comm,ierror ) |
| 306 |
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#endif |
| 307 |
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found = .true. |
| 308 |
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else |
| 309 |
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nd = nd + 1 |
| 310 |
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endif |
| 311 |
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enddo |
| 312 |
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| 313 |
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c Otherwise the data from the last time in getsice surrounds the |
| 314 |
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c current model time. |
| 315 |
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| 316 |
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else |
| 317 |
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found = .true. |
| 318 |
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endif |
| 319 |
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| 320 |
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if (.not.found) then |
| 321 |
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if( lattice%myid.eq.0 ) print *, 'STOP: Could not find SICE boundary condition dates surrounding the model time.' |
| 322 |
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call my_finalize |
| 323 |
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call my_exit (101) |
| 324 |
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endif |
| 325 |
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| 326 |
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C---------- Interpolate sice data ------------------------------------ |
| 327 |
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| 328 |
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call interp_time ( nymdmod,nhms, nymdbc1,nhmsbc1, nymdbc2,nhmsbc2, fac1,fac2 ) |
| 329 |
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| 330 |
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do j = 1, jm |
| 331 |
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do i = 1, im |
| 332 |
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sice(i,j) = sicebc1( lattice%iglobal(i),lattice%jglobal(j) )*fac1 |
| 333 |
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. + sicebc2( lattice%iglobal(i),lattice%jglobal(j) )*fac2 |
| 334 |
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c average to 0 or 1 |
| 335 |
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c ----------------- |
| 336 |
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if (sice(i,j) .ge. 0.5) then |
| 337 |
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sice(i,j) = 1. |
| 338 |
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else |
| 339 |
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sice(i,j) = 0. |
| 340 |
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endif |
| 341 |
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enddo |
| 342 |
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enddo |
| 343 |
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|
| 344 |
|
|
C---------- Fill sice with depth of ice ------------------------------------ |
| 345 |
|
|
|
| 346 |
|
|
do j = 1, jm |
| 347 |
|
|
do i = 1, im |
| 348 |
|
|
if (sice(i,j) .eq. 1.) then ! sea ice present |
| 349 |
|
|
sice(i,j) = 3. |
| 350 |
|
|
endif |
| 351 |
|
|
enddo |
| 352 |
|
|
enddo |
| 353 |
|
|
|
| 354 |
|
|
C--------------------------------------------------------------------------- |
| 355 |
|
|
|
| 356 |
|
|
return |
| 357 |
|
|
end |
| 358 |
|
|
subroutine getsst ( iunit,nymd,nhms,sst,im,jm,lattice ) |
| 359 |
|
|
C************************************************************************ |
| 360 |
|
|
C!GETSST |
| 361 |
|
|
C************************************************************************ |
| 362 |
|
|
C |
| 363 |
|
|
C!ROUTINE: GETSST |
| 364 |
|
|
C!PROGRAMMER: Sharon Nebuda |
| 365 |
|
|
C!DATE CODED: May 8, 1996 |
| 366 |
|
|
C!DESCRIPTION: GETSST gets the SST data. |
| 367 |
|
|
C! This routine is adaptable for any frequency |
| 368 |
|
|
C! data upto a daily frequency. |
| 369 |
|
|
C! note: for diurnal data ndmax should be increased. |
| 370 |
|
|
C |
| 371 |
|
|
C!INPUT PARAMETERS: |
| 372 |
|
|
C! iunit Unit number assigned to the sst data file |
| 373 |
|
|
C! nymd YYMMDD of the current model timestep |
| 374 |
|
|
C! nhms HHMMSS of the model time |
| 375 |
|
|
C! im Number of x points |
| 376 |
|
|
C! jm Number of y points |
| 377 |
|
|
C! lattice Grid Decomposition defined by Dynamics |
| 378 |
|
|
C |
| 379 |
|
|
C!OUTPUT PARAMETERS: |
| 380 |
|
|
C! sst(im,jm) Sea surface temperature in Kelvin |
| 381 |
|
|
C |
| 382 |
|
|
C!ROUTINES CALLED: |
| 383 |
|
|
C |
| 384 |
|
|
C! bcdata Reads the data for a given unit number |
| 385 |
|
|
C! bcheader Reads the header info for a given unit number |
| 386 |
|
|
C! interp_time Returns weights for linear interpolation |
| 387 |
|
|
C |
| 388 |
|
|
C-------------------------------------------------------------------------- |
| 389 |
|
|
|
| 390 |
|
|
use dynamics_lattice_module |
| 391 |
|
|
implicit none |
| 392 |
|
|
type ( dynamics_lattice_type ) lattice |
| 393 |
|
|
|
| 394 |
|
|
c MPI Utilities |
| 395 |
|
|
c ------------- |
| 396 |
|
|
include 'mpif.h' |
| 397 |
|
|
integer ierror |
| 398 |
|
|
|
| 399 |
|
|
C Parameter statements |
| 400 |
|
|
integer ndmax ! Maximum number of dates in one year for the data |
| 401 |
|
|
parameter (ndmax = 370) |
| 402 |
|
|
|
| 403 |
|
|
C Variables passed to the routine: |
| 404 |
|
|
integer iunit ! Unit number assigned to the SST data file |
| 405 |
|
|
integer nymd ! YYMMDD of the current model timestep |
| 406 |
|
|
integer nhms ! HHMMSS of the model time |
| 407 |
|
|
integer im ! Number of x points |
| 408 |
|
|
integer jm ! Number of y points |
| 409 |
|
|
|
| 410 |
|
|
C Variables returned by the routine: |
| 411 |
|
|
real sst(im,jm) ! Sea surface temperature in Kelvin |
| 412 |
|
|
|
| 413 |
|
|
C Variables unique to the routine: |
| 414 |
|
|
character*8 cname ! Name of the data in the file header |
| 415 |
|
|
character*80 cdscrip ! Description of the data in the file header |
| 416 |
|
|
real fac1 ! Weighted value (fraction) of the data |
| 417 |
|
|
! before the model time |
| 418 |
|
|
real fac2 ! Weighted value (fraction) of the data |
| 419 |
|
|
! after the model time |
| 420 |
|
|
logical first ! True for first time using the dates for the |
| 421 |
|
|
! BC data file. Then read in the header file. |
| 422 |
|
|
logical found ! If false, then the data surrounding the model |
| 423 |
|
|
! time was not found |
| 424 |
|
|
logical error ! TRUE if problem with data |
| 425 |
|
|
integer i,j,n,nn ! DO loop counters |
| 426 |
|
|
integer iyear ! Year of model |
| 427 |
|
|
integer iyearbc ! Year of boundary condition data |
| 428 |
|
|
real lat0 ! Starting lat of the bc data set (future use) |
| 429 |
|
|
real lon0 ! Starting lon of the bc data set (future use) |
| 430 |
|
|
integer nd ! Counter for record number of data to read |
| 431 |
|
|
integer ndby3 ! int(ndatebc/3) used for write statement |
| 432 |
|
|
integer imbc ! IM read from the BC data |
| 433 |
|
|
integer jmbc ! JM read from the BC data |
| 434 |
|
|
integer ndatebc ! Number of dates in the BC file |
| 435 |
|
|
integer nhmsbc(ndmax) ! HHMMSS of the data time (not needed currently) |
| 436 |
|
|
integer nhmsbc1 ! HHMMSS of the earlier data kept from last timestep |
| 437 |
|
|
integer nhmsbc2 ! HHMMSS of the later data kept from last timestep |
| 438 |
|
|
integer nrec ! Record number of the header (set to 1) |
| 439 |
|
|
integer nymdbc(ndmax) ! YYYYMMDD of each data |
| 440 |
|
|
integer nymdbc1 ! YYYYMMDD of the earlier data kept from last timestep |
| 441 |
|
|
integer nymdbc2 ! YYYYMMDD of the later data kept from last timestep |
| 442 |
|
|
integer nymdmod ! YYYYMMDD of the current model timestep |
| 443 |
|
|
real timebc1 ! YYYYMMDD.HHMMSS of the earlier bc data |
| 444 |
|
|
real timebc2 ! YYYYMMDD.HHMMSS of the later bc data |
| 445 |
|
|
real timemod ! YYYYMMDD.HHMMSS of the current timestep |
| 446 |
|
|
real undef ! Undefined value for missing data |
| 447 |
|
|
|
| 448 |
|
|
C Define Allocatable Arrays |
| 449 |
|
|
real, allocatable, save :: sstbc1(:,:) ! Sea surface temperature (K) from bc data |
| 450 |
|
|
! of the date before the model time |
| 451 |
|
|
real, allocatable, save :: sstbc2(:,:) ! Sea surface temperature (K) from bc data |
| 452 |
|
|
! of the date after the model time |
| 453 |
|
|
|
| 454 |
|
|
C--------- Variable Initialization --------------------------------- |
| 455 |
|
|
|
| 456 |
|
|
data first /.true./ |
| 457 |
|
|
data error /.false./ |
| 458 |
|
|
|
| 459 |
|
|
c save header info |
| 460 |
|
|
save imbc, jmbc, lat0, lon0, ndatebc, undef, nymdbc, nhmsbc |
| 461 |
|
|
save nymdbc1, nymdbc2, nhmsbc1, nhmsbc2, sstbc1 |
| 462 |
|
|
save first |
| 463 |
|
|
|
| 464 |
|
|
c this only works for between 1950-2050 |
| 465 |
|
|
if (nymd .lt. 500101) then |
| 466 |
|
|
nymdmod = 20000000 + nymd |
| 467 |
|
|
else if (nymd .le. 991231) then |
| 468 |
|
|
nymdmod = 19000000 + nymd |
| 469 |
|
|
else |
| 470 |
|
|
nymdmod = nymd |
| 471 |
|
|
endif |
| 472 |
|
|
|
| 473 |
|
|
c initialize so that first time through they have values for the check |
| 474 |
|
|
c these vaules make the iyear .ne. iyearbc true anyways for |
| 475 |
|
|
c for the first time so first isnt checked below. |
| 476 |
|
|
if (first) then |
| 477 |
|
|
allocate ( sstbc1(lattice%imglobal,lattice%jmglobal) ) ! Allocate Memory for sstbc1 |
| 478 |
|
|
allocate ( sstbc2(lattice%imglobal,lattice%jmglobal) ) ! Allocate Memory for sstbc2 |
| 479 |
|
|
nymdbc(2) = 0 |
| 480 |
|
|
nymdbc1 = 0 |
| 481 |
|
|
nymdbc2 = 0 |
| 482 |
|
|
nhmsbc1 = 0 |
| 483 |
|
|
nhmsbc2 = 0 |
| 484 |
|
|
first = .false. |
| 485 |
|
|
endif |
| 486 |
|
|
|
| 487 |
|
|
C---------- Read in Header file ---------------------------------- |
| 488 |
|
|
|
| 489 |
|
|
iyear = nymdmod/10000 |
| 490 |
|
|
iyearbc = nymdbc(2)/10000 |
| 491 |
|
|
|
| 492 |
|
|
if( iyear.ne.iyearbc ) then |
| 493 |
|
|
if( lattice%myid.eq.0 ) then |
| 494 |
|
|
|
| 495 |
|
|
close(iunit) |
| 496 |
|
|
open (iunit, form='unformatted', access='direct',recl=lattice%imglobal*lattice%jmglobal*4) |
| 497 |
|
|
nrec = 1 |
| 498 |
|
|
call bcheader (iunit, ndmax, nrec, |
| 499 |
|
|
. cname, cdscrip, imbc, jmbc, lat0, lon0, |
| 500 |
|
|
. ndatebc, nymdbc, nhmsbc, undef, error) |
| 501 |
|
|
|
| 502 |
|
|
C--------- Check data for Compatibility |
| 503 |
|
|
|
| 504 |
|
|
C Check for correct data in boundary condition file |
| 505 |
|
|
if (.not.error .and. cname.ne.'SST') then |
| 506 |
|
|
write(6,*) 'Wrong data in SST boundary condition file => ',cname |
| 507 |
|
|
error = .true. |
| 508 |
|
|
endif |
| 509 |
|
|
|
| 510 |
|
|
C Check Horizontal Resolution |
| 511 |
|
|
if (.not.error .and. imbc*jmbc.ne.lattice%imglobal*lattice%jmglobal) then |
| 512 |
|
|
write(6,*) 'Boundary Condition Resolution DOES NOT match Model Resolution!' |
| 513 |
|
|
write(6,*) 'Boundary Condition Resolution: ',imbc*jmbc |
| 514 |
|
|
write(6,*) ' Model Resolution: ',lattice%imglobal*lattice%jmglobal |
| 515 |
|
|
error = .true. |
| 516 |
|
|
endif |
| 517 |
|
|
|
| 518 |
|
|
C Check Year |
| 519 |
|
|
iyearbc = nymdbc(2)/10000 |
| 520 |
|
|
if (.not.error .and. iyear.ne.iyearbc .and. iyearbc.ne.0) then |
| 521 |
|
|
write(6,*) 'Boundary Condition Year DOES NOT match REQUESTED Year!' |
| 522 |
|
|
write(6,*) 'Boundary Condition Year: ', iyearbc |
| 523 |
|
|
write(6,*) ' Requested Year: ', iyear |
| 524 |
|
|
error = .true. |
| 525 |
|
|
endif |
| 526 |
|
|
|
| 527 |
|
|
if (.not.error) then |
| 528 |
|
|
C if climatology, fill dates for data with current model year |
| 529 |
|
|
if (iyearbc.eq.0) then |
| 530 |
|
|
write(6,*) |
| 531 |
|
|
write(6,*) 'Climatological Dataset is being used.' |
| 532 |
|
|
write(6,*) 'Current model year will be used to fill Header Dates' |
| 533 |
|
|
do n = 2, ndatebc-1 |
| 534 |
|
|
nymdbc(n) = nymdbc(n) +(nymdmod/10000)*10000 |
| 535 |
|
|
enddo |
| 536 |
|
|
C For the first date subtract 1 year from the current model NYMD |
| 537 |
|
|
n = 1 |
| 538 |
|
|
nymdbc(n) = nymdbc(n) +(nymdmod/10000-1)*10000 |
| 539 |
|
|
C For the last date add 1 year to the current model NYMD |
| 540 |
|
|
n = ndatebc |
| 541 |
|
|
nymdbc(n) = nymdbc(n) +(nymdmod/10000+1)*10000 |
| 542 |
|
|
endif |
| 543 |
|
|
|
| 544 |
|
|
C Write out header info |
| 545 |
|
|
write(6,*) ' Updated boundary condition data' |
| 546 |
|
|
write(6,*) ' ---------------------------------' |
| 547 |
|
|
write(6,*) ' Variable: ',cname |
| 548 |
|
|
write(6,*) ' Description: ',cdscrip |
| 549 |
|
|
write(6,*) ' Resolution: x= ',imbc,' y= ',jmbc,' Undefined value = ',undef |
| 550 |
|
|
write(6,*) ' Starting latitude = ',lat0,' longitude =',lon0 |
| 551 |
|
|
write(6,*) ' Data valid at these times: ' |
| 552 |
|
|
ndby3 = ndatebc/3 |
| 553 |
|
|
do n = 1, ndby3*3,3 |
| 554 |
|
|
write(6,1000) (nn,nymdbc(nn),nhmsbc(nn),nn=n,n+2) |
| 555 |
|
|
1000 format(3(2x,i3,':',i8,2x,i8)) |
| 556 |
|
|
enddo |
| 557 |
|
|
write(6,1000) (nn,nymdbc(nn),nhmsbc(nn),nn=ndby3*3+1,ndatebc) |
| 558 |
|
|
endif ! End error Check |
| 559 |
|
|
|
| 560 |
|
|
endif ! End MYID=0 Check |
| 561 |
|
|
|
| 562 |
|
|
c Broadcast information to other PEs |
| 563 |
|
|
c ---------------------------------- |
| 564 |
|
|
#if (mpi) |
| 565 |
|
|
call mpi_bcast ( error,1,mpi_logical,0,lattice%comm,ierror ) |
| 566 |
|
|
#endif |
| 567 |
|
|
if( error ) call my_exit (101) |
| 568 |
|
|
|
| 569 |
|
|
#if (mpi) |
| 570 |
|
|
call mpi_bcast ( ndatebc,1 ,mpi_integer,0,lattice%comm,ierror ) |
| 571 |
|
|
call mpi_bcast ( nymdbc,ndatebc,mpi_integer,0,lattice%comm,ierror ) |
| 572 |
|
|
call mpi_bcast ( nhmsbc,ndatebc,mpi_integer,0,lattice%comm,ierror ) |
| 573 |
|
|
#endif |
| 574 |
|
|
|
| 575 |
|
|
endif ! New Year Info Check |
| 576 |
|
|
|
| 577 |
|
|
C---------- Read SST data if necessary ------------------------------- |
| 578 |
|
|
|
| 579 |
|
|
found = .false. |
| 580 |
|
|
nd = 2 |
| 581 |
|
|
|
| 582 |
|
|
c If model time is not within the times of saved sst data |
| 583 |
|
|
c from previous call to getsst then read new data |
| 584 |
|
|
|
| 585 |
|
|
timemod = float(nymdmod) + float(nhms) /1000000 |
| 586 |
|
|
timebc1 = float(nymdbc1) + float(nhmsbc1)/1000000 |
| 587 |
|
|
timebc2 = float(nymdbc2) + float(nhmsbc2)/1000000 |
| 588 |
|
|
if (timemod .lt. timebc1 .or. timemod .ge. timebc2) then |
| 589 |
|
|
|
| 590 |
|
|
do while (.not.found .and. nd .le. ndatebc) |
| 591 |
|
|
timebc2 = float(nymdbc(nd)) + float(nhmsbc(nd))/1000000 |
| 592 |
|
|
if (timebc2 .gt. timemod) then |
| 593 |
|
|
nymdbc1 = nymdbc(nd-1) |
| 594 |
|
|
nymdbc2 = nymdbc(nd) |
| 595 |
|
|
nhmsbc1 = nhmsbc(nd-1) |
| 596 |
|
|
nhmsbc2 = nhmsbc(nd) |
| 597 |
|
|
if ( lattice%myid.eq.0 ) call bcdata (iunit, imbc, jmbc, nd, nd+1, sstbc1, sstbc2) |
| 598 |
|
|
#if (mpi) |
| 599 |
|
|
call mpi_bcast ( sstbc1,lattice%imglobal*lattice%jmglobal,mpi_double_precision,0,lattice%comm,ierror ) |
| 600 |
|
|
call mpi_bcast ( sstbc2,lattice%imglobal*lattice%jmglobal,mpi_double_precision,0,lattice%comm,ierror ) |
| 601 |
|
|
#endif |
| 602 |
|
|
found = .true. |
| 603 |
|
|
else |
| 604 |
|
|
nd = nd + 1 |
| 605 |
|
|
endif |
| 606 |
|
|
enddo |
| 607 |
|
|
|
| 608 |
|
|
c Otherwise the data from the last time in getsst surrounds the |
| 609 |
|
|
c current model time. |
| 610 |
|
|
|
| 611 |
|
|
else |
| 612 |
|
|
found = .true. |
| 613 |
|
|
endif |
| 614 |
|
|
|
| 615 |
|
|
if (.not.found) then |
| 616 |
|
|
if( lattice%myid.eq.0 ) print *, 'STOP: Could not find SST boundary condition dates surrounding the model time.' |
| 617 |
|
|
call my_finalize |
| 618 |
|
|
call my_exit (101) |
| 619 |
|
|
endif |
| 620 |
|
|
|
| 621 |
|
|
C---------- Interpolate SST data ------------------------------------ |
| 622 |
|
|
|
| 623 |
|
|
call interp_time ( nymdmod,nhms, nymdbc1,nhmsbc1, nymdbc2,nhmsbc2, fac1,fac2 ) |
| 624 |
|
|
|
| 625 |
|
|
do j = 1, jm |
| 626 |
|
|
do i = 1, im |
| 627 |
|
|
sst(i,j) = sstbc1( lattice%iglobal(i),lattice%jglobal(j) )*fac1 |
| 628 |
|
|
. + sstbc2( lattice%iglobal(i),lattice%jglobal(j) )*fac2 |
| 629 |
|
|
enddo |
| 630 |
|
|
enddo |
| 631 |
|
|
|
| 632 |
|
|
return |
| 633 |
|
|
end |
| 634 |
|
|
|
| 635 |
|
|
subroutine bcdata (iunit, im, jm, nrec1, nrec2, field1, field2) |
| 636 |
|
|
C************************************************************************ |
| 637 |
|
|
C!BCDATA |
| 638 |
|
|
C************************************************************************ |
| 639 |
|
|
C |
| 640 |
|
|
C!ROUTINE: BCDATA |
| 641 |
|
|
C!PROGRAMMER: Sharon Nebuda |
| 642 |
|
|
C!DATE CODED: April 29, 1996 |
| 643 |
|
|
C!DESCRIPTION: BCDATA reads the data from the file assigned to the |
| 644 |
|
|
C! passed unit number and returns data from the two times |
| 645 |
|
|
C! surrounding the current model time. The two record |
| 646 |
|
|
C! postitions are not assumed to be next to each other. |
| 647 |
|
|
C |
| 648 |
|
|
C!INPUT PARAMETERS: |
| 649 |
|
|
C! im number of x points |
| 650 |
|
|
C! jm number of y points |
| 651 |
|
|
C! nrec1 record number of the time before the model time |
| 652 |
|
|
C! nrec2 record number of the time after the model time |
| 653 |
|
|
C |
| 654 |
|
|
C!OUTPUT PARAMETERS: |
| 655 |
|
|
C! field1(im,jm) data field before the model time |
| 656 |
|
|
C! field2(im,jm) data field after the model time |
| 657 |
|
|
C |
| 658 |
|
|
C!REVISION HISTORY: |
| 659 |
|
|
C! NEW |
| 660 |
|
|
C |
| 661 |
|
|
C!ROUTINES CALLED: |
| 662 |
|
|
C |
| 663 |
|
|
C! none |
| 664 |
|
|
C |
| 665 |
|
|
C-------------------------------------------------------------------------- |
| 666 |
|
|
|
| 667 |
|
|
|
| 668 |
|
|
C--------------- Variable Declaration ------------------------------------- |
| 669 |
|
|
implicit none |
| 670 |
|
|
|
| 671 |
|
|
C Variables passed to the routine: |
| 672 |
|
|
integer iunit ! Unit number assigned to the data file |
| 673 |
|
|
integer im ! Number of x points |
| 674 |
|
|
integer jm ! Number of y points |
| 675 |
|
|
integer nrec1 ! Record number of the time before the model time |
| 676 |
|
|
integer nrec2 ! Record number of the time after the model time |
| 677 |
|
|
|
| 678 |
|
|
C Variables returned by the routine: |
| 679 |
|
|
real field1(im,jm) ! Real*8 Data before the model time |
| 680 |
|
|
real field2(im,jm) ! Real*8 Data after the model time |
| 681 |
|
|
|
| 682 |
|
|
C Variables unique to the routine: |
| 683 |
|
|
integer i,j ! DO loop counters |
| 684 |
|
|
real*4 f1(im,jm) ! Real*4 Data before the model time |
| 685 |
|
|
real*4 f2(im,jm) ! Real*4 Data after the model time |
| 686 |
|
|
|
| 687 |
|
|
C--------- Read file ----------------------------------------------- |
| 688 |
|
|
|
| 689 |
|
|
read(iunit,rec=nrec1) f1 |
| 690 |
|
|
read(iunit,rec=nrec2) f2 |
| 691 |
|
|
|
| 692 |
|
|
do j=1,jm |
| 693 |
|
|
do i=1,im |
| 694 |
|
|
field1(i,j) = f1(i,j) |
| 695 |
|
|
field2(i,j) = f2(i,j) |
| 696 |
|
|
enddo |
| 697 |
|
|
enddo |
| 698 |
|
|
|
| 699 |
|
|
return |
| 700 |
|
|
end |
| 701 |
|
|
subroutine bcheader (iunit, ndmax, nrec, |
| 702 |
|
|
. cname, cdscrip, im, jm, lat0, lon0, ndatebc, |
| 703 |
|
|
. nymdbc, nhmsbc, undef, error) |
| 704 |
|
|
C************************************************************************ |
| 705 |
|
|
C!BCHEADER |
| 706 |
|
|
C************************************************************************ |
| 707 |
|
|
C |
| 708 |
|
|
C!ROUTINE: BCHEADER |
| 709 |
|
|
C!PROGRAMMER: Sharon Nebuda |
| 710 |
|
|
C!DATE CODED: April 29, 1996 |
| 711 |
|
|
C!DESCRIPTION: BCHEADER reads the header info from the file assigned to the |
| 712 |
|
|
C! passed unit number and returns the info back. |
| 713 |
|
|
C |
| 714 |
|
|
C!INPUT PARAMETERS: |
| 715 |
|
|
C! iunit unit number assigned to the data file |
| 716 |
|
|
C! ndmax maximum number of date/times of the data |
| 717 |
|
|
C! nrec record number of the header info (or assume 1??) |
| 718 |
|
|
C |
| 719 |
|
|
C!OUTPUT PARAMETERS: |
| 720 |
|
|
C! cname name of the data in the file header |
| 721 |
|
|
C! cdscrip description of the data in the file header |
| 722 |
|
|
C! im number of x points |
| 723 |
|
|
C! jm number of y points |
| 724 |
|
|
C! lat0 starting latitude for the data grid |
| 725 |
|
|
C! lon0 starting longitude for the data grid |
| 726 |
|
|
C! ndatebc number of date/times of the data in the file |
| 727 |
|
|
C! nymdbc(ndmax) array of dates for the data including century |
| 728 |
|
|
C! nhmsbc(ndmax) array of times for the data |
| 729 |
|
|
C! undef value for undefined values in the data |
| 730 |
|
|
C! error logical TRUE if dataset problem |
| 731 |
|
|
C |
| 732 |
|
|
C!REVISION HISTORY: |
| 733 |
|
|
C! NEW |
| 734 |
|
|
C |
| 735 |
|
|
C!ROUTINES CALLED: |
| 736 |
|
|
C! none |
| 737 |
|
|
C |
| 738 |
|
|
C-------------------------------------------------------------------------- |
| 739 |
|
|
|
| 740 |
|
|
C--------------- Variable Declaration ------------------------------------- |
| 741 |
|
|
implicit none |
| 742 |
|
|
|
| 743 |
|
|
C Variables passed to the routine: |
| 744 |
|
|
integer iunit ! Unit number assigned to the data file |
| 745 |
|
|
integer ndmax ! Maximum number of dates for a given field |
| 746 |
|
|
integer nrec ! Record number of the header info (or assume 1??) |
| 747 |
|
|
|
| 748 |
|
|
C Variables returned by the routine: |
| 749 |
|
|
character*8 cname ! Name of the data in the file header |
| 750 |
|
|
character*80 cdscrip ! Description of the data in the file header |
| 751 |
|
|
integer im ! Number of x points |
| 752 |
|
|
integer jm ! Number of y points |
| 753 |
|
|
real lat0 ! Starting latitude of the data |
| 754 |
|
|
real lon0 ! Starting longitude of the data |
| 755 |
|
|
integer ndatebc ! Number of date/times of the data in the file |
| 756 |
|
|
integer nymdbc(ndmax) ! array of dates for the data including century |
| 757 |
|
|
integer nhmsbc(ndmax) ! array of times for the data |
| 758 |
|
|
real undef ! value for undefined values in the data |
| 759 |
|
|
logical error ! logical TRUE if dataset problem |
| 760 |
|
|
|
| 761 |
|
|
C Variables unique to the routine: |
| 762 |
|
|
integer i ! DO loop counters |
| 763 |
|
|
integer n |
| 764 |
|
|
integer*4 im_32 ! Number of x points |
| 765 |
|
|
integer*4 jm_32 ! Number of y points |
| 766 |
|
|
real*4 lat0_32 ! Starting latitude of the data |
| 767 |
|
|
real*4 lon0_32 ! Starting longitude of the data |
| 768 |
|
|
integer*4 ndatebc_32 ! Number of date/times of the data in the file |
| 769 |
|
|
integer*4 nymdbc_32(ndmax) ! array of dates for the data including century |
| 770 |
|
|
integer*4 nhmsbc_32(ndmax) ! array of times for the data |
| 771 |
|
|
real*4 undef_32 ! value for undefined values in the data |
| 772 |
|
|
|
| 773 |
|
|
C--------- Read file ----------------------------------------------- |
| 774 |
|
|
|
| 775 |
|
|
read(iunit,rec=nrec,err=500) cname, cdscrip, |
| 776 |
|
|
. im_32, jm_32, lat0_32, lon0_32, |
| 777 |
|
|
. ndatebc_32, undef_32, |
| 778 |
|
|
. (nymdbc_32(i), nhmsbc_32(i), i=1,ndatebc_32) |
| 779 |
|
|
|
| 780 |
|
|
im = im_32 |
| 781 |
|
|
jm = jm_32 |
| 782 |
|
|
lat0 = lat0_32 |
| 783 |
|
|
lon0 = lon0_32 |
| 784 |
|
|
undef = undef_32 |
| 785 |
|
|
|
| 786 |
|
|
ndatebc = ndatebc_32 |
| 787 |
|
|
do i=1,ndatebc |
| 788 |
|
|
nymdbc(i) = nymdbc_32(i) |
| 789 |
|
|
nhmsbc(i) = nhmsbc_32(i) |
| 790 |
|
|
enddo |
| 791 |
|
|
|
| 792 |
|
|
return |
| 793 |
|
|
500 continue |
| 794 |
|
|
print *, 'Error reading boundary condition from unit ',iunit |
| 795 |
|
|
error = .true. |
| 796 |
|
|
return |
| 797 |
|
|
end |
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