| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/fizhi/fizhi_init_veg.F,v 1.20 2005/03/03 21:26:34 molod Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "FIZHI_OPTIONS.h" |
| 5 |
|
| 6 |
subroutine fizhi_init_veg(mythid,vegdata,im,jm,Nsx,Nsy,Nxg,Nyg, |
| 7 |
. maxtyp,nchp,nchptot,nchpland,lons,lats,surftype,tilefrac, |
| 8 |
. igrd,ityp,chfr,chlt,chlon) |
| 9 |
C*********************************************************************** |
| 10 |
C Subroutine fizhi_init_veg - routine to read in the land surface types, |
| 11 |
C interpolate to the models grid, and set up tile space for use by |
| 12 |
C the land surface model, the albedo calculation and the surface |
| 13 |
C roughness calculation. |
| 14 |
C |
| 15 |
C INPUT: |
| 16 |
C |
| 17 |
C mythid - thread number (processor number) |
| 18 |
C vegdata - Character*40 Vegetation Dataset name |
| 19 |
C im - longitude dimension |
| 20 |
C jm - latitude dimension (number of lat. points) |
| 21 |
C Nsx - Number of processors in x-direction |
| 22 |
C Nsy - Number of processors in y-direction |
| 23 |
C maxtyp - maximum allowable number of land surface types per grid box |
| 24 |
C nchp - integer per-processor number of tiles in tile space |
| 25 |
C lons - longitude in degrees [im,jm,nSx,nSy] |
| 26 |
C lats - latitude in degrees [im,jm,nSx,nSy] |
| 27 |
C |
| 28 |
C OUTPUT: |
| 29 |
C |
| 30 |
C surftype - integer array of land surface types [im,jm,maxtyp,Nsx,Nsy] |
| 31 |
C tilefrac - real array of corresponding land surface type fractions |
| 32 |
C [im,jm,maxtyp,Nsx,Nsy] |
| 33 |
C igrd - integer array in tile space of grid point number for each |
| 34 |
C tile [nchp,Nsx,Nsy] |
| 35 |
C ityp - integer array in tile space of land surface type for each |
| 36 |
C tile [nchp,Nsx,Nsy] |
| 37 |
C chfr - real array in tile space of land surface type fraction for |
| 38 |
C each tile [nchp,Nsx,Nsy] |
| 39 |
C |
| 40 |
C NOTES: |
| 41 |
C Vegetation type as follows: |
| 42 |
C 1: BROADLEAF EVERGREEN TREES |
| 43 |
C 2: BROADLEAF DECIDUOUS TREES |
| 44 |
C 3: NEEDLELEAF TREES |
| 45 |
C 4: GROUND COVER |
| 46 |
C 5: BROADLEAF SHRUBS |
| 47 |
C 6: DWARF TREES (TUNDRA) |
| 48 |
C 7: BARE SOIL |
| 49 |
C 8: DESERT |
| 50 |
C 9: GLACIER |
| 51 |
C 10: DARK DESERT |
| 52 |
C 100: OCEAN |
| 53 |
C*********************************************************************** |
| 54 |
implicit none |
| 55 |
#include "EEPARAMS.h" |
| 56 |
|
| 57 |
integer mythid,im,jm,maxtyp,nchp,Nsx,Nsy,Nxg,Nyg |
| 58 |
integer nchptot(Nsx,Nsy), nchpland(Nsx,Nsy) |
| 59 |
integer surftype(im,jm,maxtyp,Nsx,Nsy) |
| 60 |
integer igrd(nchp,Nsx,Nsy),ityp(nchp,Nsx,Nsy) |
| 61 |
_RL tilefrac(im,jm,maxtyp,Nsx,Nsy) |
| 62 |
_RL lats(im,jm,nSx,nSy), lons(im,jm,nSx,nSy) |
| 63 |
_RL chfr(nchp,Nsx,Nsy),chlt(nchp,Nsx,Nsy),chlon(nchp,Nsx,Nsy) |
| 64 |
character*40 vegdata |
| 65 |
integer imdata,jmdata,Nxgdata,Nygdata |
| 66 |
integer biglobal,bjglobal |
| 67 |
|
| 68 |
integer*4 im_32, jm_32, Nxg_32, Nyg_32 |
| 69 |
integer*4 iveg_32(im,jm,maxtyp,Nxg,Nyg) |
| 70 |
real*4 veg_32(im,jm,maxtyp,Nxg,Nyg) |
| 71 |
|
| 72 |
integer i,j,k,bi,bj,ierr1,kveg |
| 73 |
|
| 74 |
call mdsfindunit( kveg, myThid ) |
| 75 |
close(kveg) |
| 76 |
open(kveg,file=vegdata,form='unformatted',access='sequential', |
| 77 |
. iostat=ierr1) |
| 78 |
if( ierr1.eq.0 ) then |
| 79 |
read(kveg)im_32,jm_32,Nxg_32,Nyg_32,IVEG_32,VEG_32 |
| 80 |
else |
| 81 |
print * |
| 82 |
print *, 'Veg Dataset: ',vegdata,' not found!' |
| 83 |
print * |
| 84 |
call exit(101) |
| 85 |
endif |
| 86 |
close(kveg) |
| 87 |
|
| 88 |
IF (myThid.eq.1) THEN |
| 89 |
imdata = im_32 |
| 90 |
jmdata = jm_32 |
| 91 |
Nxgdata = Nxg_32 |
| 92 |
Nygdata = Nyg_32 |
| 93 |
if( (imdata.ne.im) .or. (jmdata.ne.jm) .or. |
| 94 |
. (Nxgdata.ne.Nxg) .or. (Nygdata.ne.Nyg) ) then |
| 95 |
print * |
| 96 |
print *, 'Veg Data Resolution is Incorrect! ' |
| 97 |
print *,' Model Res: ',im,'x',jm,' Data Res: ',imdata,'x',jmdata |
| 98 |
print *,' Model Nxg Nyg: ',Nxg,' ',Nyg,' Data Nxg Nyg: ',Nxgdata, |
| 99 |
. ' ',Nygdata |
| 100 |
print * |
| 101 |
call exit(102) |
| 102 |
ENDIF |
| 103 |
ENDIF |
| 104 |
|
| 105 |
DO BJ = myByLo(myThid), myByHi(myThid) |
| 106 |
DO BI = myBxLo(myThid), myBxHi(myThid) |
| 107 |
|
| 108 |
biglobal=bi+(myXGlobalLo-1)/im |
| 109 |
bjglobal=bj+(myYGlobalLo-1)/jm |
| 110 |
#if defined( _BYTESWAPIO ) && defined( ALLOW_MDSIO ) |
| 111 |
call MDS_BYTESWAPR4(im*jm*maxtyp,veg_32(1,1,1,biglobal,bjglobal)) |
| 112 |
#endif |
| 113 |
do k = 1,maxtyp |
| 114 |
do j = 1,jm |
| 115 |
do i = 1,im |
| 116 |
surftype(i,j,k,bi,bj) = iveg_32(i,j,k,biglobal,bjglobal) |
| 117 |
tilefrac(i,j,k,bi,bj) = veg_32(i,j,k,biglobal,bjglobal) |
| 118 |
enddo |
| 119 |
enddo |
| 120 |
enddo |
| 121 |
|
| 122 |
ENDDO |
| 123 |
ENDDO |
| 124 |
|
| 125 |
c create chip arrays for : |
| 126 |
c igrd : grid index |
| 127 |
c ityp : veg. type |
| 128 |
c chfr : vegetation fraction |
| 129 |
c chlon: chip longitude |
| 130 |
c chlt : chip latitude |
| 131 |
|
| 132 |
c nchpland<=nchptot is the actual number of land chips |
| 133 |
|
| 134 |
DO BJ = myByLo(myThid), myByHi(myThid) |
| 135 |
DO BI = myBxLo(myThid), myBxHi(myThid) |
| 136 |
|
| 137 |
c land points |
| 138 |
c ----------- |
| 139 |
nchpland(bi,bj) = 0 |
| 140 |
do k=1,maxtyp |
| 141 |
do j=1,jm |
| 142 |
do i=1,im |
| 143 |
if(surftype(i,j,k,bi,bj).lt.100 .and. |
| 144 |
. tilefrac(i,j,k,bi,bj).gt.0.) then |
| 145 |
nchpland(bi,bj) = nchpland(bi,bj) + 1 |
| 146 |
igrd (nchpland(bi,bj),bi,bj) = i + (j-1)*im |
| 147 |
ityp (nchpland(bi,bj),bi,bj) = surftype(i,j,k,bi,bj) |
| 148 |
chfr (nchpland(bi,bj),bi,bj) = tilefrac(i,j,k,bi,bj) |
| 149 |
chlon(nchpland(bi,bj),bi,bj) = lons(i,j,bi,bj) |
| 150 |
chlt (nchpland(bi,bj),bi,bj) = lats(i,j,bi,bj) |
| 151 |
endif |
| 152 |
enddo |
| 153 |
enddo |
| 154 |
enddo |
| 155 |
|
| 156 |
c ocean points |
| 157 |
c ------------ |
| 158 |
nchptot(bi,bj) = nchpland(bi,bj) |
| 159 |
|
| 160 |
do k=1,maxtyp |
| 161 |
do j=1,jm |
| 162 |
do i=1,im |
| 163 |
if(surftype(i,j,k,bi,bj).ge.100 .and. |
| 164 |
. tilefrac(i,j,k,bi,bj).gt.0.) then |
| 165 |
nchptot(bi,bj) = nchptot(bi,bj) + 1 |
| 166 |
igrd (nchptot(bi,bj),bi,bj) = i + (j-1)*im |
| 167 |
ityp (nchptot(bi,bj),bi,bj) = surftype(i,j,k,bi,bj) |
| 168 |
chfr (nchptot(bi,bj),bi,bj) = tilefrac(i,j,k,bi,bj) |
| 169 |
chlon(nchptot(bi,bj),bi,bj) = lons(i,j,bi,bj) |
| 170 |
chlt (nchptot(bi,bj),bi,bj) = lats(i,j,bi,bj) |
| 171 |
endif |
| 172 |
enddo |
| 173 |
enddo |
| 174 |
enddo |
| 175 |
|
| 176 |
print *,'No of Total Tiles for bi=',bi,': ',nchptot(bi,bj) |
| 177 |
print *,'No of Land Tiles for bi=',bi,': ',nchpland(bi,bj) |
| 178 |
|
| 179 |
ENDDO |
| 180 |
ENDDO |
| 181 |
|
| 182 |
RETURN |
| 183 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph