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C $Header: /u/gcmpack/MITgcm/pkg/fizhi/update_earth_exports.F,v 1.24 2005/03/09 00:35:09 molod Exp $ |
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C $Name: $ |
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|
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#include "FIZHI_OPTIONS.h" |
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subroutine update_earth_exports (myTime, myIter, myThid) |
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c---------------------------------------------------------------------- |
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c Subroutine update_earth_exports - 'Wrapper' routine to update |
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c the fields related to the earth's surface that are needed |
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c by fizhi. |
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c |
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c Call: getlgr (Set the leaf area index and surface greenness, |
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c based on veg type and month) |
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c getalb (Set the 4 albedos based on veg type, snow and time) |
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c getemiss (Set the surface emissivity based on the veg type |
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c and the snow depth) |
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c----------------------------------------------------------------------- |
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implicit none |
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#include "SIZE.h" |
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#include "GRID.h" |
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#include "fizhi_land_SIZE.h" |
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#include "fizhi_SIZE.h" |
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#include "fizhi_coms.h" |
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#include "chronos.h" |
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#include "gridalt_mapping.h" |
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#include "fizhi_land_coms.h" |
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#include "fizhi_earth_coms.h" |
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#include "fizhi_ocean_coms.h" |
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#include "EEPARAMS.h" |
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|
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integer myIter, myThid |
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_RL myTime |
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|
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logical alarm |
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external alarm |
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_RL lats(sNx,sNy), lons(sNx,sNy), cosz(sNx,sNy) |
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_RL fraci(sNx,sNy), fracl(sNx,sNy) |
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_RL ficetile(nchp) |
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_RL radius |
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_RL tmpij(sNx,sNy) |
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_RL tmpchp(nchp) |
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integer i, j, n, bi, bj |
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integer im1, im2, jm1, jm2, idim1, idim2, jdim1, jdim2 |
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integer sec, day, month |
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integer nmonf,ndayf,nsecf |
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nsecf(n) = n/10000*3600 + mod(n,10000)/100* 60 + mod(n,100) |
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nmonf(n) = mod(n,10000)/100 |
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ndayf(n) = mod(n,100) |
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|
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idim1 = 1-OLx |
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idim2 = sNx+OLx |
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jdim1 = 1-OLy |
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jdim2 = sNy+OLy |
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im1 = 1 |
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im2 = sNx |
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jm1 = 1 |
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jm2 = sNy |
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month = nmonf(nymd) |
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day = ndayf(nymd) |
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sec = nsecf(nhms) |
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|
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do bj = myByLo(myThid), myByHi(myThid) |
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do bi = myBxLo(myThid), myBxHi(myThid) |
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do j = jm1,jm2 |
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do i = im1,im2 |
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lons(i,j) = xC(i,j,bi,bj) |
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lats(i,j) = yC(i,j,bi,bj) |
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enddo |
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enddo |
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|
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call get_landfrac(im2,jm2,nSx,nSy,bi,bj,maxtyp,surftype,tilefrac, |
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. fracl) |
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|
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do j = jm1,jm2 |
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do i = im1,im2 |
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if(sice(i,j,bi,bj).gt.0.) then |
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fraci(i,j) = 1. |
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else |
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fraci(i,j) = 0. |
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endif |
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enddo |
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enddo |
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|
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C*********************************************************************** |
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C* Get Leaf-Area-Index and Greenness Index * |
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C*********************************************************************** |
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|
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if( alarm('turb') .or. alarm('radsw') ) then |
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call getlgr (sec,month,day,chlt,ityp,nchpland(bi,bj), |
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. nchp,nSx,nSy,bi,bj,alai,agrn ) |
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endif |
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|
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C ********************************************************************** |
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C Compute Surface Albedo |
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C ********************************************************************** |
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|
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if( alarm('radsw') ) then |
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call astro(nymd,nhms,lats,lons,im2*jm2,cosz,radius) |
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call getalb(sec,month,day,cosz,snodep,fraci,fracl,im2,jm2,nchp, |
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. nchptot(bi,bj),nchpland(bi,bj),nSx,nSy,bi,bj,igrd,ityp, |
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. chfr,chlt,alai,agrn, |
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. albvisdr,albvisdf,albnirdr,albnirdf ) |
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endif |
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|
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C ********************************************************************** |
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C Compute Surface Emissivity |
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C ********************************************************************** |
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|
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if( alarm('radlw') ) then |
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call grd2msc(fraci,im2,jm2,igrd,ficetile,nchp,nchptot(bi,bj)) |
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call getemiss(fracl,im2,jm2,nchp,nchptot(bi,bj),nSx,nSy,bi,bj, |
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. igrd,ityp,chfr,snodep,ficetile,emiss) |
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endif |
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|
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C********************************************************************* |
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C Ground Temperature Over Ocean is from SST array, |
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C Over land is from tcanopy |
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C********************************************************************* |
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|
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do j = jm1,jm2 |
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do i = im1,im2 |
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tmpij(i,j) = 0. |
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enddo |
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enddo |
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do i = 1,nchpland(bi,bj) |
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tmpchp(i) = tcanopy(i,bi,bj) |
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enddo |
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call msc2grd(igrd(1,bi,bj),chfr(1,bi,bj),tmpchp, |
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. nchp,nchpland(bi,bj),fracl,tmpij,im2,jm2) |
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do j = jm1,jm2 |
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do i = im1,im2 |
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tgz(i,j,bi,bj) = tmpij(i,j) |
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if(fracl(i,j).lt.0.3.and.sice(i,j,bi,bj).eq.0.0) |
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. tgz(i,j,bi,bj) = sst(i,j,bi,bj) |
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enddo |
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enddo |
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|
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enddo |
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enddo |
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|
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return |
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end |
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|
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SUBROUTINE SIBALB ( AVISDR, ANIRDR, AVISDF, ANIRDF, |
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. VLAI, VGRN, ZTH, SNW, ITYP, IRUN ) |
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|
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C********************************************************************* |
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C The input list is as follows: |
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C VLAI: the leaf area index. |
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C VGRN: the greenness index. |
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C ZTH: The cosine of the solar zenith angle. |
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C SNW: Snow cover in meters water equivalent. |
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C ITYP: The surface type (grass, bare soil, etc.) |
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C IRUN: Number of tiles (same as used for SUBROUTINE TILE). |
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C |
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C The output list is as follows: |
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C |
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C AVISDR: visible, direct albedo. |
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C ANIRDR: near infra-red, direct albedo. |
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C AVISDF: visible, diffuse albedo. |
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C ANIRDF: near infra-red, diffuse albedo. |
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C******************************************************************* |
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|
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IMPLICIT NONE |
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|
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INTEGER IRUN |
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_RL AVISDR (IRUN), ANIRDR (IRUN), AVISDF (IRUN), ANIRDF (IRUN) |
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_RL VLAI(IRUN),VGRN (IRUN), SNW(IRUN) |
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_RL ZTH(IRUN) |
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INTEGER ITYP (IRUN) |
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|
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_RL ALVDRS, ALIDRS |
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_RL ALVDRDL, ALIDRDL |
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_RL ALVDRDD, ALIDRDD |
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_RL ALVDRI, ALIDRI |
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_RL minval |
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external minval |
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|
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C Albedo of soil for visible direct solar radiation. |
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PARAMETER ( ALVDRS = 0.100 ) |
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C Albedo of soil for infra-red direct solar radiation. |
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PARAMETER ( ALIDRS = 0.200 ) |
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C Albedo of light desert for visible direct solar radiation. |
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PARAMETER ( ALVDRDL = 0.300 ) |
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C Albedo of light desert for infra-red direct solar radiation. |
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PARAMETER ( ALIDRDL = 0.350 ) |
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C Albedo of dark desert for visible direct solar radiation. |
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PARAMETER ( ALVDRDD = 0.250 ) |
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C Albedo of dark desert for infra-red direct solar radiation. |
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PARAMETER ( ALIDRDD = 0.300 ) |
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C Albedo of ice for visible direct solar radiation. |
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PARAMETER ( ALVDRI = 0.800 ) |
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C Albedo of ice for infra-red direct solar radiation. |
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PARAMETER ( ALIDRI = 0.800 ) |
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|
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* -------------------------------------------------------------------------------------------- |
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|
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INTEGER NTYPS |
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INTEGER NLAI |
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_RL ZERO, ONE |
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_RL EPSLN, BLAI, DLAI |
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_RL ALATRM |
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PARAMETER (NLAI = 14 ) |
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PARAMETER (EPSLN = 1.E-6) |
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PARAMETER (BLAI = 0.5) |
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PARAMETER (DLAI = 0.5) |
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PARAMETER (ZERO=0., ONE=1.0) |
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PARAMETER (ALATRM = BLAI + (NLAI - 1) * DLAI - EPSLN) |
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PARAMETER (NTYPS=10) |
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|
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|
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C ITYP: Vegetation type as follows: |
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C 1: BROADLEAF EVERGREEN TREES |
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C 2: BROADLEAF DECIDUOUS TREES |
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C 3: NEEDLELEAF TREES |
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C 4: GROUND COVER |
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C 5: BROADLEAF SHRUBS |
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C 6: DWARF TREES (TUNDRA) |
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C 7: BARE SOIL |
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C 8: LIGHT DESERT |
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C 9: GLACIER |
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C 10: DARK DESERT |
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C |
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|
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INTEGER I, LAI |
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_RL FAC,GAMMA,BETA,ALPHA,DX,DY,ALA,GRN (2),SNWALB(4,NTYPS) |
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_RL COEFF |
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|
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_RL ALVDR (NLAI, 2, NTYPS) |
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_RL BTVDR (NLAI, 2, NTYPS) |
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_RL GMVDR (NLAI, 2, NTYPS) |
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_RL ALIDR (NLAI, 2, NTYPS) |
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_RL BTIDR (NLAI, 2, NTYPS) |
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_RL GMIDR (NLAI, 2, NTYPS) |
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|
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C (Data statements for ALVDR described in full; data statements for |
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C other constants follow same framework.) |
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|
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C BROADLEAF EVERGREEN (ITYP=4); GREEN=0.33; LAI: .5-7 |
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DATA (ALVDR (I, 1, 1), I = 1, 14) |
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` /0.0808, 0.0796, 0.0792, 0.0790, 10*0.0789/ |
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|
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C BROADLEAF EVERGREEN (ITYP=4); GREEN=0.67; LAI: .5-7 |
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DATA (ALVDR (I, 2, 1), I = 1, 14) |
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` /0.0788, 0.0775, 0.0771, 0.0769, 10*0.0768/ |
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|
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C BROADLEAF DECIDUOUS (ITYP=1); GREEN=0.33; LAI: .5-7 |
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DATA (ALVDR (I, 1, 2), I = 1, 14) |
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` /0.0803, 0.0790, 0.0785, 0.0784, 3*0.0783, 7*0.0782/ |
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|
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C BROADLEAF DECIDUOUS (ITYP=1); GREEN=0.67; LAI: .5-7 |
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DATA (ALVDR (I, 2, 2), I = 1, 14) |
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` /0.0782, 0.0770, 0.0765, 0.0763, 10*0.0762/ |
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|
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C NEEDLELEAF (ITYP=3); GREEN=0.33; LAI=.5-7 |
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DATA (ALVDR (I, 1, 3), I = 1, 14) |
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` /0.0758, 0.0746, 0.0742, 0.0740, 10*0.0739/ |
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|
| 258 |
C NEEDLELEAF (ITYP=3); GREEN=0.67; LAI=.5-7 |
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DATA (ALVDR (I, 2, 3), I = 1, 14) |
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` /0.0683, 0.0672, 0.0667, 2*0.0665, 9*0.0664/ |
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|
| 262 |
C GROUNDCOVER (ITYP=2); GREEN=0.33; LAI=.5-7 |
| 263 |
DATA (ALVDR (I, 1, 4), I = 1, 14) |
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` /0.2436, 0.2470, 0.2486, 0.2494, 0.2498, 0.2500, 2*0.2501, |
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` 6*0.2502 |
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` / |
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C GROUNDCOVER (ITYP=2); GREEN=0.67; LAI=.5-7 |
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DATA (ALVDR (I, 2, 4), I = 1, 14) /14*0.1637/ |
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|
| 270 |
C BROADLEAF SHRUBS (ITYP=5); GREEN=0.33,LAI=.5-7 |
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DATA (ALVDR (I, 1, 5), I = 1, 14) |
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& /0.0807, 0.0798, 0.0794, 0.0792, 0.0792, 9*0.0791/ |
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|
| 274 |
C BROADLEAF SHRUBS (ITYP=5); GREEN=0.67,LAI=.5-7 |
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DATA (ALVDR (I, 2, 5), I = 1, 14) |
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& /0.0787, 0.0777, 0.0772, 0.0771, 10*0.0770/ |
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|
| 278 |
C DWARF TREES, OR TUNDRA (ITYP=6); GREEN=0.33,LAI=.5-7 |
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DATA (ALVDR (I, 1, 6), I = 1, 14) |
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& /0.0802, 0.0791, 0.0787, 0.0786, 10*0.0785/ |
| 281 |
|
| 282 |
C DWARF TREES, OR TUNDRA (ITYP=6); GREEN=0.67,LAI=.5-7 |
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DATA (ALVDR (I, 2, 6), I = 1, 14) |
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& /0.0781, 0.0771, 0.0767, 0.0765, 0.0765, 9*0.0764/ |
| 285 |
|
| 286 |
|
| 287 |
C BARE SOIL |
| 288 |
DATA (ALVDR (I, 1, 7), I = 1, 14) /14*ALVDRS/ |
| 289 |
DATA (ALVDR (I, 2, 7), I = 1, 14) /14*ALVDRS/ |
| 290 |
|
| 291 |
C LIGHT DESERT (SAHARA, EG) |
| 292 |
DATA (ALVDR (I, 1, 8), I = 1, 14) /14*ALVDRDL/ |
| 293 |
DATA (ALVDR (I, 2, 8), I = 1, 14) /14*ALVDRDL/ |
| 294 |
|
| 295 |
C ICE |
| 296 |
DATA (ALVDR (I, 1, 9), I = 1, 14) /14*ALVDRI/ |
| 297 |
DATA (ALVDR (I, 2, 9), I = 1, 14) /14*ALVDRI/ |
| 298 |
|
| 299 |
C DARK DESERT (AUSTRALIA, EG) |
| 300 |
DATA (ALVDR (I, 1, 10), I = 1, 14) /14*ALVDRDD/ |
| 301 |
DATA (ALVDR (I, 2, 10), I = 1, 14) /14*ALVDRDD/ |
| 302 |
C**** |
| 303 |
C**** ------------------------------------------------- |
| 304 |
DATA (BTVDR (I, 1, 1), I = 1, 14) |
| 305 |
` /0.0153, 0.0372, 0.0506, 0.0587, 0.0630, 0.0652, 0.0663, |
| 306 |
` 0.0668, 0.0671, 0.0672, 4*0.0673 |
| 307 |
` / |
| 308 |
DATA (BTVDR (I, 2, 1), I = 1, 14) |
| 309 |
* /0.0135, 0.0354, 0.0487, 0.0568, 0.0611, 0.0633, 0.0644, |
| 310 |
` 0.0650, 0.0652, 0.0654, 0.0654, 3*0.0655 |
| 311 |
` / |
| 312 |
DATA (BTVDR (I, 1, 2), I = 1, 14) |
| 313 |
* /0.0148, 0.0357, 0.0462, 0.0524, 0.0554, 0.0569, 0.0576, |
| 314 |
` 0.0579, 0.0580, 0.0581, 0.0581, 3*0.0582 |
| 315 |
` / |
| 316 |
DATA (BTVDR (I, 2, 2), I = 1, 14) |
| 317 |
* /0.0131, 0.0342, 0.0446, 0.0508, 0.0539, 0.0554, 0.0560, |
| 318 |
` 0.0564, 0.0565, 5*0.0566 |
| 319 |
` / |
| 320 |
DATA (BTVDR (I, 1, 3), I = 1, 14) |
| 321 |
* /0.0108, 0.0334, 0.0478, 0.0571, 0.0624, 0.0652, 0.0666, |
| 322 |
` 0.0673, 0.0677, 0.0679, 4*0.0680 |
| 323 |
` / |
| 324 |
DATA (BTVDR (I, 2, 3), I = 1, 14) |
| 325 |
* /0.0034, 0.0272, 0.0408, 0.0501, 0.0554, 0.0582, 0.0597, |
| 326 |
* 0.0604, 0.0608, 0.0610, 4*0.0611 |
| 327 |
` / |
| 328 |
DATA (BTVDR (I, 1, 4), I = 1, 14) |
| 329 |
* /0.2050, 0.2524, 0.2799, 0.2947, 0.3022, 0.3059, 0.3076, |
| 330 |
* 0.3085, 0.3088, 0.3090, 4*0.3091 |
| 331 |
` / |
| 332 |
DATA (BTVDR (I, 2, 4), I = 1, 14) |
| 333 |
* /0.1084, 0.1404, 0.1617, 0.1754, 0.1837, 0.1887, 0.1915, |
| 334 |
* 0.1931, 0.1940, 0.1946, 0.1948, 0.1950, 2*0.1951 |
| 335 |
` / |
| 336 |
DATA (BTVDR (I, 1, 5), I = 1, 14) |
| 337 |
& /0.0203, 0.0406, 0.0548, 0.0632, 0.0679, 0.0703, 0.0716, |
| 338 |
& 0.0722, 0.0726, 0.0727, 0.0728, 0.0728, 0.0728, 0.0729 |
| 339 |
` / |
| 340 |
|
| 341 |
DATA (BTVDR (I, 2, 5), I = 1, 14) |
| 342 |
& /0.0184, 0.0385, 0.0526, 0.0611, 0.0658, 0.0683, 0.0696, |
| 343 |
& 0.0702, 0.0705, 0.0707, 4*0.0708 |
| 344 |
` / |
| 345 |
|
| 346 |
DATA (BTVDR (I, 1, 6), I = 1, 14) |
| 347 |
& /0.0199, 0.0388, 0.0494, 0.0554, 0.0584, 0.0599, 0.0606, |
| 348 |
& 0.0609, 0.0611, 5*0.0612 |
| 349 |
` / |
| 350 |
|
| 351 |
DATA (BTVDR (I, 2, 6), I = 1, 14) |
| 352 |
& /0.0181, 0.0371, 0.0476, 0.0537, 0.0568, 0.0583, 0.0590, |
| 353 |
& 0.0593, 0.0595, 0.0595, 4*0.0596 |
| 354 |
` / |
| 355 |
|
| 356 |
DATA (BTVDR (I, 1, 7), I = 1, 14) /14*0./ |
| 357 |
DATA (BTVDR (I, 2, 7), I = 1, 14) /14*0./ |
| 358 |
|
| 359 |
DATA (BTVDR (I, 1, 8), I = 1, 14) /14*0./ |
| 360 |
DATA (BTVDR (I, 2, 8), I = 1, 14) /14*0./ |
| 361 |
|
| 362 |
DATA (BTVDR (I, 1, 9), I = 1, 14) /14*0./ |
| 363 |
DATA (BTVDR (I, 2, 9), I = 1, 14) /14*0./ |
| 364 |
|
| 365 |
DATA (BTVDR (I, 1, 10), I = 1, 14) /14*0./ |
| 366 |
DATA (BTVDR (I, 2, 10), I = 1, 14) /14*0./ |
| 367 |
|
| 368 |
C**** |
| 369 |
C**** ----------------------------------------------------------- |
| 370 |
DATA (GMVDR (I, 1, 1), I = 1, 14) |
| 371 |
` /0.0814, 0.1361, 0.2078, 0.2650, 0.2986, 0.3169, 0.3265, |
| 372 |
* 0.3313, 0.3337, 0.3348, 0.3354, 0.3357, 2*0.3358 |
| 373 |
` / |
| 374 |
DATA (GMVDR (I, 2, 1), I = 1, 14) |
| 375 |
* /0.0760, 0.1336, 0.2034, 0.2622, 0.2969, 0.3159, 0.3259, |
| 376 |
* 0.3309, 0.3333, 0.3346, 0.3352, 0.3354, 2*0.3356 |
| 377 |
` / |
| 378 |
DATA (GMVDR (I, 1, 2), I = 1, 14) |
| 379 |
* /0.0834, 0.1252, 0.1558, 0.1927, 0.2131, 0.2237, 0.2290, |
| 380 |
* 0.2315, 0.2327, 0.2332, 0.2335, 2*0.2336, 0.2337 |
| 381 |
` / |
| 382 |
DATA (GMVDR (I, 2, 2), I = 1, 14) |
| 383 |
* /0.0789, 0.1235, 0.1531, 0.1912, 0.2122, 0.2232, 0.2286, |
| 384 |
* 0.2312, 0.2324, 0.2330, 0.2333, 0.2334, 2*0.2335 |
| 385 |
` / |
| 386 |
DATA (GMVDR (I, 1, 3), I = 1, 14) |
| 387 |
* /0.0647, 0.1342, 0.2215, 0.2968, 0.3432, 0.3696, 0.3838, |
| 388 |
* 0.3912, 0.3950, 0.3968, 0.3978, 0.3982, 0.3984, 0.3985 |
| 389 |
` / |
| 390 |
DATA (GMVDR (I, 2, 3), I = 1, 14) |
| 391 |
* /0.0258, 0.1227, 0.1999, 0.2825, 0.3339, 0.3634, 0.3794, |
| 392 |
* 0.3877, 0.3919, 0.3940, 0.3950, 0.3956, 0.3958, 0.3959 |
| 393 |
` / |
| 394 |
DATA (GMVDR (I, 1, 4), I = 1, 14) |
| 395 |
* /0.3371, 0.5762, 0.7159, 0.7927, 0.8324, 0.8526, 0.8624, |
| 396 |
* 0.8671, 0.8693, 0.8704, 0.8709, 0.8710, 2*0.8712 |
| 397 |
` / |
| 398 |
DATA (GMVDR (I, 2, 4), I = 1, 14) |
| 399 |
* /0.2634, 0.4375, 0.5532, 0.6291, 0.6763, 0.7048, 0.7213, |
| 400 |
* 0.7310, 0.7363, 0.7395, 0.7411, 0.7420, 0.7426, 0.7428 |
| 401 |
` / |
| 402 |
DATA (GMVDR (I, 1, 5), I = 1, 14) |
| 403 |
& /0.0971, 0.1544, 0.2511, 0.3157, 0.3548, 0.3768, 0.3886, |
| 404 |
& 0.3948, 0.3978, 0.3994, 0.4001, 0.4006, 0.4007, 0.4008 |
| 405 |
` / |
| 406 |
|
| 407 |
DATA (GMVDR (I, 2, 5), I = 1, 14) |
| 408 |
& /0.0924, 0.1470, 0.2458, 0.3123, 0.3527, 0.3756, 0.3877, |
| 409 |
& 0.3942, 0.3974, 0.3990, 0.3998, 0.4002, 0.4004, 0.4005 |
| 410 |
` / |
| 411 |
|
| 412 |
DATA (GMVDR (I, 1, 6), I = 1, 14) |
| 413 |
& /0.0970, 0.1355, 0.1841, 0.2230, 0.2447, 0.2561, 0.2617, |
| 414 |
& 0.2645, 0.2658, 0.2664, 0.2667, 3*0.2669 |
| 415 |
` / |
| 416 |
|
| 417 |
DATA (GMVDR (I, 2, 6), I = 1, 14) |
| 418 |
& /0.0934, 0.1337, 0.1812, 0.2213, 0.2437, 0.2554, 0.2613, |
| 419 |
& 0.2642, 0.2656, 0.2662, 0.2665, 0.2667, 0.2667, 0.2668 |
| 420 |
` / |
| 421 |
|
| 422 |
DATA (GMVDR (I, 1, 7), I = 1, 14) /14*1./ |
| 423 |
DATA (GMVDR (I, 2, 7), I = 1, 14) /14*1./ |
| 424 |
|
| 425 |
DATA (GMVDR (I, 1, 8), I = 1, 14) /14*1./ |
| 426 |
DATA (GMVDR (I, 2, 8), I = 1, 14) /14*1./ |
| 427 |
|
| 428 |
DATA (GMVDR (I, 1, 9), I = 1, 14) /14*1./ |
| 429 |
DATA (GMVDR (I, 2, 9), I = 1, 14) /14*1./ |
| 430 |
|
| 431 |
DATA (GMVDR (I, 1, 10), I = 1, 14) /14*1./ |
| 432 |
DATA (GMVDR (I, 2, 10), I = 1, 14) /14*1./ |
| 433 |
|
| 434 |
C**** |
| 435 |
C**** ----------------------------------------------------------- |
| 436 |
|
| 437 |
DATA (ALIDR (I, 1, 1), I = 1, 14) |
| 438 |
* /0.2867, 0.2840, 0.2828, 0.2822, 0.2819, 0.2818, 2*0.2817, |
| 439 |
* 6*0.2816 |
| 440 |
` / |
| 441 |
DATA (ALIDR (I, 2, 1), I = 1, 14) |
| 442 |
* /0.3564, 0.3573, 0.3577, 0.3580, 2*0.3581, 8*0.3582/ |
| 443 |
DATA (ALIDR (I, 1, 2), I = 1, 14) |
| 444 |
* /0.2848, 0.2819, 0.2804, 0.2798, 0.2795, 2*0.2793, 7*0.2792/ |
| 445 |
DATA (ALIDR (I, 2, 2), I = 1, 14) |
| 446 |
* /0.3544, 0.3550, 0.3553, 2*0.3555, 9*0.3556/ |
| 447 |
DATA (ALIDR (I, 1, 3), I = 1, 14) |
| 448 |
* /0.2350, 0.2311, 0.2293, 0.2285, 0.2281, 0.2280, 8*0.2279/ |
| 449 |
DATA (ALIDR (I, 2, 3), I = 1, 14) |
| 450 |
* /0.2474, 0.2436, 0.2418, 0.2410, 0.2406, 0.2405, 3*0.2404, |
| 451 |
* 5*0.2403 |
| 452 |
` / |
| 453 |
DATA (ALIDR (I, 1, 4), I = 1, 14) |
| 454 |
* /0.5816, 0.6157, 0.6391, 0.6556, 0.6673, 0.6758, 0.6820, |
| 455 |
* 0.6866, 0.6899, 0.6924, 0.6943, 0.6956, 0.6966, 0.6974 |
| 456 |
` / |
| 457 |
DATA (ALIDR (I, 2, 4), I = 1, 14) |
| 458 |
* /0.5489, 0.5770, 0.5955, 0.6079, 0.6163, 0.6221, 0.6261, |
| 459 |
* 0.6288, 0.6308, 0.6321, 0.6330, 0.6337, 0.6341, 0.6344 |
| 460 |
` / |
| 461 |
DATA (ALIDR (I, 1, 5), I = 1, 14) |
| 462 |
& /0.2845, 0.2837, 0.2832, 0.2831, 0.2830, 9*0.2829/ |
| 463 |
DATA (ALIDR (I, 2, 5), I = 1, 14) |
| 464 |
& /0.3532, 0.3562, 0.3578, 0.3586, 0.3590, 0.3592, 0.3594, |
| 465 |
& 0.3594, 0.3594, 5*0.3595 |
| 466 |
` / |
| 467 |
DATA (ALIDR (I, 1, 6), I = 1, 14) |
| 468 |
& /0.2825, 0.2812, 0.2806, 0.2803, 0.2802, 9*0.2801/ |
| 469 |
DATA (ALIDR (I, 2, 6), I = 1, 14) |
| 470 |
& /0.3512, 0.3538, 0.3552, 0.3559, 0.3562, 0.3564, 0.3565, |
| 471 |
& 0.3565, 6*0.3566 |
| 472 |
` / |
| 473 |
|
| 474 |
DATA (ALIDR (I, 1, 7), I = 1, 14) /14*ALIDRS/ |
| 475 |
DATA (ALIDR (I, 2, 7), I = 1, 14) /14*ALIDRS/ |
| 476 |
|
| 477 |
DATA (ALIDR (I, 1, 8), I = 1, 14) /14*ALIDRDL/ |
| 478 |
DATA (ALIDR (I, 2, 8), I = 1, 14) /14*ALIDRDL/ |
| 479 |
|
| 480 |
DATA (ALIDR (I, 1, 9), I = 1, 14) /14*ALIDRI/ |
| 481 |
DATA (ALIDR (I, 2, 9), I = 1, 14) /14*ALIDRI/ |
| 482 |
|
| 483 |
DATA (ALIDR (I, 1, 10), I = 1, 14) /14*ALIDRDD/ |
| 484 |
DATA (ALIDR (I, 2, 10), I = 1, 14) /14*ALIDRDD/ |
| 485 |
|
| 486 |
C**** |
| 487 |
C**** ----------------------------------------------------------- |
| 488 |
DATA (BTIDR (I, 1, 1), I = 1, 14) |
| 489 |
* /0.1291, 0.1707, 0.1969, 0.2125, 0.2216, 0.2267, 0.2295, |
| 490 |
* 0.2311, 0.2319, 0.2323, 0.2326, 2*0.2327, 0.2328 |
| 491 |
` / |
| 492 |
DATA (BTIDR (I, 2, 1), I = 1, 14) |
| 493 |
* /0.1939, 0.2357, 0.2598, 0.2735, 0.2810, 0.2851, 0.2874, |
| 494 |
* 0.2885, 0.2892, 0.2895, 0.2897, 3*0.2898 |
| 495 |
` / |
| 496 |
DATA (BTIDR (I, 1, 2), I = 1, 14) |
| 497 |
* /0.1217, 0.1522, 0.1713, 0.1820, 0.1879, 0.1910, 0.1926, |
| 498 |
* 0.1935, 0.1939, 0.1942, 2*0.1943, 2*0.1944 |
| 499 |
` / |
| 500 |
DATA (BTIDR (I, 2, 2), I = 1, 14) |
| 501 |
* /0.1781, 0.2067, 0.2221, 0.2301, 0.2342, 0.2363, 0.2374, |
| 502 |
* 0.2379, 0.2382, 0.2383, 2*0.2384, 2*0.2385 |
| 503 |
` / |
| 504 |
DATA (BTIDR (I, 1, 3), I = 1, 14) |
| 505 |
* /0.0846, 0.1299, 0.1614, 0.1814, 0.1935, 0.2004, 0.2043, |
| 506 |
* 0.2064, 0.2076, 0.2082, 0.2085, 2*0.2087, 0.2088 |
| 507 |
` / |
| 508 |
DATA (BTIDR (I, 2, 3), I = 1, 14) |
| 509 |
* /0.0950, 0.1410, 0.1722, 0.1921, 0.2042, 0.2111, 0.2151, |
| 510 |
* 0.2172, 0.2184, 0.2191, 0.2194, 0.2196, 2*0.2197 |
| 511 |
` / |
| 512 |
DATA (BTIDR (I, 1, 4), I = 1, 14) |
| 513 |
* /0.5256, 0.7444, 0.9908, 1.2700, 1.5680, 1.8505, 2.0767, |
| 514 |
* 2.2211, 2.2808, 2.2774, 2.2362, 2.1779, 2.1160, 2.0564 |
| 515 |
` / |
| 516 |
DATA (BTIDR (I, 2, 4), I = 1, 14) |
| 517 |
* /0.4843, 0.6714, 0.8577, 1.0335, 1.1812, 1.2858, 1.3458, |
| 518 |
* 1.3688, 1.3685, 1.3546, 1.3360, 1.3168, 1.2989, 1.2838 |
| 519 |
` / |
| 520 |
DATA (BTIDR (I, 1, 5), I = 1, 14) |
| 521 |
& /0.1498, 0.1930, 0.2201, 0.2364, 0.2460, 0.2514, 0.2544, |
| 522 |
& 0.2560, 0.2569, 0.2574, 0.2577, 0.2578, 0.2579, 0.2579 |
| 523 |
` / |
| 524 |
|
| 525 |
DATA (BTIDR (I, 2, 5), I = 1, 14) |
| 526 |
& /0.2184, 0.2656, 0.2927, 0.3078, 0.3159, 0.3202, 0.3224, |
| 527 |
& 0.3235, 0.3241, 0.3244, 0.3245, 3*0.3246 |
| 528 |
` / |
| 529 |
|
| 530 |
DATA (BTIDR (I, 1, 6), I = 1, 14) |
| 531 |
& /0.1369, 0.1681, 0.1860, 0.1958, 0.2010, 0.2038, 0.2053, |
| 532 |
& 0.2060, 0.2064, 0.2066, 0.2067, 3*0.2068 |
| 533 |
` / |
| 534 |
|
| 535 |
DATA (BTIDR (I, 2, 6), I = 1, 14) |
| 536 |
& /0.1969, 0.2268, 0.2416, 0.2488, 0.2521, 0.2537, 0.2544, |
| 537 |
& 0.2547, 0.2548, 5*0.2549 |
| 538 |
` / |
| 539 |
|
| 540 |
|
| 541 |
DATA (BTIDR (I, 1, 7), I = 1, 14) /14*0./ |
| 542 |
DATA (BTIDR (I, 2, 7), I = 1, 14) /14*0./ |
| 543 |
|
| 544 |
DATA (BTIDR (I, 1, 8), I = 1, 14) /14*0./ |
| 545 |
DATA (BTIDR (I, 2, 8), I = 1, 14) /14*0./ |
| 546 |
|
| 547 |
DATA (BTIDR (I, 1, 9), I = 1, 14) /14*0./ |
| 548 |
DATA (BTIDR (I, 2, 9), I = 1, 14) /14*0./ |
| 549 |
|
| 550 |
DATA (BTIDR (I, 1, 10), I = 1, 14) /14*0./ |
| 551 |
DATA (BTIDR (I, 2, 10), I = 1, 14) /14*0./ |
| 552 |
|
| 553 |
C**** |
| 554 |
C**** -------------------------------------------------------------- |
| 555 |
DATA (GMIDR (I, 1, 1), I = 1, 14) |
| 556 |
* /0.1582, 0.2581, 0.3227, 0.3635, 0.3882, 0.4026, 0.4108, |
| 557 |
* 0.4154, 0.4179, 0.4193, 0.4200, 0.4204, 0.4206, 0.4207 |
| 558 |
` / |
| 559 |
DATA (GMIDR (I, 2, 1), I = 1, 14) |
| 560 |
* /0.1934, 0.3141, 0.3818, 0.4200, 0.4415, 0.4533, 0.4598, |
| 561 |
* 0.4633, 0.4651, 0.4662, 0.4667, 0.4671, 2*0.4672 |
| 562 |
` / |
| 563 |
DATA (GMIDR (I, 1, 2), I = 1, 14) |
| 564 |
* /0.1347, 0.1871, 0.2277, 0.2515, 0.2651, 0.2727, 0.2768, |
| 565 |
* 0.2790, 0.2801, 0.2808, 0.2811, 0.2812, 0.2813, 0.2814 |
| 566 |
` / |
| 567 |
DATA (GMIDR (I, 2, 2), I = 1, 14) |
| 568 |
* /0.1440, 0.2217, 0.2629, 0.2839, 0.2947, 0.3003, 0.3031, |
| 569 |
* 0.3046, 0.3054, 0.3058, 0.3060, 2*0.3061, 0.3062 |
| 570 |
` / |
| 571 |
DATA (GMIDR (I, 1, 3), I = 1, 14) |
| 572 |
* /0.1372, 0.2368, 0.3235, 0.3839, 0.4229, 0.4465, 0.4602, |
| 573 |
* 0.4679, 0.4722, 0.4745, 0.4758, 0.4764, 0.4768, 0.4770 |
| 574 |
` / |
| 575 |
DATA (GMIDR (I, 2, 3), I = 1, 14) |
| 576 |
* /0.1435, 0.2524, 0.3370, 0.3955, 0.4332, 0.4563, 0.4697, |
| 577 |
* 0.4773, 0.4815, 0.4839, 0.4851, 0.4858, 0.4861, 0.4863 |
| 578 |
` / |
| 579 |
DATA (GMIDR (I, 1, 4), I = 1, 14) |
| 580 |
* /0.4298, 0.9651, 1.6189, 2.4084, 3.2992, 4.1928, 4.9611, |
| 581 |
* 5.5095, 5.8085, 5.9069, 5.8726, 5.7674, 5.6346, 5.4944 |
| 582 |
` / |
| 583 |
DATA (GMIDR (I, 2, 4), I = 1, 14) |
| 584 |
* /0.4167, 0.8974, 1.4160, 1.9414, 2.4147, 2.7803, 3.0202, |
| 585 |
* 3.1468, 3.1954, 3.1932, 3.1676, 3.1328, 3.0958, 3.0625 |
| 586 |
` / |
| 587 |
DATA (GMIDR (I, 1, 5), I = 1, 14) |
| 588 |
& /0.1959, 0.3203, 0.3985, 0.4472, 0.4766, 0.4937, 0.5034, |
| 589 |
& 0.5088, 0.5117, 0.5134, 0.5143, 0.5147, 0.5150, 0.5152 |
| 590 |
` / |
| 591 |
|
| 592 |
DATA (GMIDR (I, 2, 5), I = 1, 14) |
| 593 |
& /0.2328, 0.3859, 0.4734, 0.5227, 0.5498, 0.5644, 0.5720, |
| 594 |
& 0.5761, 0.5781, 0.5792, 0.5797, 0.5800, 0.5802, 0.5802 |
| 595 |
` / |
| 596 |
|
| 597 |
DATA (GMIDR (I, 1, 6), I = 1, 14) |
| 598 |
& /0.1447, 0.2244, 0.2698, 0.2953, 0.3094, 0.3170, 0.3211, |
| 599 |
& 0.3233, 0.3244, 0.3250, 0.3253, 0.3255, 0.3256, 0.3256 |
| 600 |
` / |
| 601 |
|
| 602 |
DATA (GMIDR (I, 2, 6), I = 1, 14) |
| 603 |
& /0.1643, 0.2624, 0.3110, 0.3347, 0.3461, 0.3517, 0.3543, |
| 604 |
& 0.3556, 0.3562, 0.3564, 0.3565, 0.3566, 0.3566, 0.3566 |
| 605 |
` / |
| 606 |
|
| 607 |
DATA (GMIDR (I, 1, 7), I = 1, 14) /14*1./ |
| 608 |
DATA (GMIDR (I, 2, 7), I = 1, 14) /14*1./ |
| 609 |
|
| 610 |
DATA (GMIDR (I, 1, 8), I = 1, 14) /14*1./ |
| 611 |
DATA (GMIDR (I, 2, 8), I = 1, 14) /14*1./ |
| 612 |
|
| 613 |
DATA (GMIDR (I, 1, 9), I = 1, 14) /14*1./ |
| 614 |
DATA (GMIDR (I, 2, 9), I = 1, 14) /14*1./ |
| 615 |
|
| 616 |
DATA (GMIDR (I, 1, 10), I = 1, 14) /14*1./ |
| 617 |
DATA (GMIDR (I, 2, 10), I = 1, 14) /14*1./ |
| 618 |
|
| 619 |
|
| 620 |
C**** ----------------------------------------------------------- |
| 621 |
|
| 622 |
DATA GRN /0.33, 0.67/ |
| 623 |
|
| 624 |
#include "snwmid.h" |
| 625 |
DATA SNWALB /.65, .38, .65, .38, |
| 626 |
* .65, .38, .65, .38, |
| 627 |
* .65, .38, .65, .38, |
| 628 |
* .65, .38, .65, .38, |
| 629 |
* .65, .38, .65, .38, |
| 630 |
& .65, .38, .65, .38, |
| 631 |
& .65, .38, .65, .38, |
| 632 |
& .65, .38, .65, .38, |
| 633 |
& .80, .60, .80, .60, |
| 634 |
& .65, .38, .65, .38 |
| 635 |
` / |
| 636 |
|
| 637 |
#ifdef CRAY |
| 638 |
#ifdef f77 |
| 639 |
cfpp$ expand (coeff) |
| 640 |
#endif |
| 641 |
#endif |
| 642 |
|
| 643 |
DO 100 I=1,IRUN |
| 644 |
ALA = MIN (MAX (ZERO, VLAI(I)), ALATRM) |
| 645 |
LAI = 1 + MAX(0, INT((ALA-BLAI)/DLAI) ) |
| 646 |
DX = (ALA - (BLAI+(LAI-1)*DLAI)) * (ONE/DLAI) |
| 647 |
DY = (VGRN(I)- GRN(1)) * (ONE/(GRN(2) - GRN(1))) |
| 648 |
|
| 649 |
ALPHA = COEFF (ALVDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
| 650 |
BETA = COEFF (BTVDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
| 651 |
GAMMA = COEFF (GMVDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
| 652 |
|
| 653 |
AVISDR(I) = ALPHA - ZTH(I)*BETA / (GAMMA+ZTH(I)) |
| 654 |
AVISDF(I) = ALPHA-BETA |
| 655 |
* + 2.*BETA*GAMMA*(1.-GAMMA*LOG((1.+GAMMA)/GAMMA)) |
| 656 |
|
| 657 |
ALPHA = COEFF (ALIDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
| 658 |
BETA = COEFF (BTIDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
| 659 |
GAMMA = COEFF (GMIDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
| 660 |
|
| 661 |
ANIRDR(I) = ALPHA - ZTH(I)*BETA / (GAMMA+ZTH(I)) |
| 662 |
ANIRDF(I) = ALPHA-BETA |
| 663 |
* + 2.*BETA*GAMMA*(1.-GAMMA*LOG((1.+GAMMA)/GAMMA)) |
| 664 |
|
| 665 |
IF (SNW (I) .GT. ZERO) THEN |
| 666 |
FAC = SNW(I) / (SNW(I) + SNWMID(ITYP(I))) |
| 667 |
|
| 668 |
AVISDR(I) = AVISDR(I) + (SNWALB(1,ITYP(I)) - AVISDR(I)) * FAC |
| 669 |
ANIRDR(I) = ANIRDR(I) + (SNWALB(2,ITYP(I)) - ANIRDR(I)) * FAC |
| 670 |
AVISDF(I) = AVISDF(I) + (SNWALB(3,ITYP(I)) - AVISDF(I)) * FAC |
| 671 |
ANIRDF(I) = ANIRDF(I) + (SNWALB(4,ITYP(I)) - ANIRDF(I)) * FAC |
| 672 |
ENDIF |
| 673 |
|
| 674 |
100 CONTINUE |
| 675 |
|
| 676 |
RETURN |
| 677 |
END |
| 678 |
FUNCTION COEFF(TABLE, NTABL, LAI ,DX, DY) |
| 679 |
|
| 680 |
INTEGER NTABL, LAI |
| 681 |
_RL coeff |
| 682 |
_RL TABLE (NTABL, 2), DX, DY |
| 683 |
|
| 684 |
COEFF = (TABLE(LAI, 1) |
| 685 |
* + (TABLE(LAI ,2) - TABLE(LAI ,1)) * DY ) * (1.0-DX) |
| 686 |
* + (TABLE(LAI+1,1) |
| 687 |
* + (TABLE(LAI+1,2) - TABLE(LAI+1,1)) * DY ) * DX |
| 688 |
|
| 689 |
RETURN |
| 690 |
END |
| 691 |
|
| 692 |
SUBROUTINE GETLGR(sec,IMON,IDAY,ALAT,ITYP,NCHPS,nchpdim, |
| 693 |
. nSx,nSy,bi,bj,ALAI,AGRN) |
| 694 |
C********************************************************************* |
| 695 |
implicit none |
| 696 |
|
| 697 |
integer ntyps |
| 698 |
_RL one,daylen |
| 699 |
PARAMETER (NTYPS=10) |
| 700 |
parameter (one = 1.) |
| 701 |
parameter (daylen = 86400.) |
| 702 |
|
| 703 |
integer sec, imon, iday, nchps, nchpdim, nSx, nSy, bi, bj |
| 704 |
_RL ALAI(nchpdim,nSx,nSy), AGRN(nchpdim,nSx,nSy) |
| 705 |
_RL ALAT(nchpdim) |
| 706 |
integer ITYP(nchpdim,nSx,nSy) |
| 707 |
|
| 708 |
integer i,midmon,midm,midp,id,k1,k2,kk1,kk2 |
| 709 |
_RL fac |
| 710 |
|
| 711 |
INTEGER DAYS(12) |
| 712 |
DATA DAYS/31,28,31,30,31,30,31,31,30,31,30,31/ |
| 713 |
|
| 714 |
_RL VGLA(12,NTYPS), VGGR(12,NTYPS) |
| 715 |
|
| 716 |
DATA VGLA / |
| 717 |
1 5.117, 5.117, 5.117, 5.117, 5.117, 5.117, 5.117, 5.117, |
| 718 |
1 5.117, 5.117, 5.117, 5.117, |
| 719 |
2 0.520, 0.520, 0.867, 2.107, 4.507, 6.773, 7.173, 6.507, |
| 720 |
2 5.040, 2.173, 0.867, 0.520, |
| 721 |
3 8.760, 9.160, 9.827,10.093,10.360,10.760,10.493,10.227, |
| 722 |
3 10.093, 9.827, 9.160, 8.760, |
| 723 |
4 0.782, 0.893, 1.004, 1.116, 1.782, 3.671, 4.782, 4.227, |
| 724 |
4 2.004, 1.227, 1.004, 0.893, |
| 725 |
5 3.760, 3.760, 2.760, 1.760, 1.760, 1.760, 1.760, 5.760, |
| 726 |
5 10.760, 7.760, 4.760, 3.760, |
| 727 |
6 0.739, 0.739, 0.739, 0.739, 0.739, 1.072, 5.072, 5.739, |
| 728 |
6 4.405, 0.739, 0.739, 0.739, |
| 729 |
7 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
| 730 |
7 0.001, 0.001, 0.001, 0.001, |
| 731 |
8 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
| 732 |
8 0.001, 0.001, 0.001, 0.001, |
| 733 |
9 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
| 734 |
9 0.001, 0.001, 0.001, 0.001, |
| 735 |
1 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
| 736 |
1 0.001, 0.001, 0.001, 0.001 |
| 737 |
& / |
| 738 |
|
| 739 |
|
| 740 |
DATA VGGR |
| 741 |
1 /0.905, 0.905, 0.905, 0.905, 0.905, 0.905, 0.905, 0.905, |
| 742 |
1 0.905, 0.905, 0.905, 0.905, |
| 743 |
2 0.026, 0.026, 0.415, 0.759, 0.888, 0.925, 0.836, 0.697, |
| 744 |
2 0.331, 0.166, 0.015, 0.026, |
| 745 |
3 0.913, 0.917, 0.923, 0.925, 0.927, 0.905, 0.902, 0.913, |
| 746 |
3 0.898, 0.855, 0.873, 0.913, |
| 747 |
4 0.568, 0.622, 0.664, 0.697, 0.810, 0.908, 0.813, 0.394, |
| 748 |
4 0.443, 0.543, 0.553, 0.498, |
| 749 |
5 0.798, 0.532, 0.362, 0.568, 0.568, 0.568, 0.568, 0.868, |
| 750 |
5 0.651, 0.515, 0.630, 0.798, |
| 751 |
6 0.451, 0.451, 0.451, 0.451, 0.451, 0.622, 0.920, 0.697, |
| 752 |
6 0.076, 0.451, 0.451, 0.451, |
| 753 |
7 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
| 754 |
7 0.001, 0.001, 0.001, 0.001, |
| 755 |
8 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
| 756 |
8 0.001, 0.001, 0.001, 0.001, |
| 757 |
9 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
| 758 |
9 0.001, 0.001, 0.001, 0.001, |
| 759 |
1 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
| 760 |
1 0.001, 0.001, 0.001, 0.001 |
| 761 |
& / |
| 762 |
|
| 763 |
|
| 764 |
MIDMON = DAYS(IMON)/2 + 1 |
| 765 |
|
| 766 |
|
| 767 |
IF (IDAY .LT. MIDMON) THEN |
| 768 |
K2 = IMON |
| 769 |
K1 = MOD(IMON+10,12) + 1 |
| 770 |
ELSE |
| 771 |
K1 = IMON |
| 772 |
K2 = MOD(IMON,12) + 1 |
| 773 |
ENDIF |
| 774 |
|
| 775 |
IF (IDAY .LT. MIDMON) THEN |
| 776 |
MIDM = DAYS(K1)/2 + 1 |
| 777 |
MIDP = DAYS(K1) + MIDMON |
| 778 |
ID = IDAY + DAYS(K1) |
| 779 |
ELSE |
| 780 |
MIDM = MIDMON |
| 781 |
MIDP = DAYS(K2)/2 + 1 + DAYS(K1) |
| 782 |
ID = IDAY |
| 783 |
ENDIF |
| 784 |
|
| 785 |
FAC = (float(ID -MIDM)*DAYLEN + SEC) / |
| 786 |
* (float(MIDP-MIDM)*DAYLEN ) |
| 787 |
|
| 788 |
DO 220 I=1,NCHPS |
| 789 |
|
| 790 |
IF(ALAT(I).GT.0.) THEN |
| 791 |
KK1 = K1 |
| 792 |
KK2 = K2 |
| 793 |
ELSE |
| 794 |
KK1 = MOD(K1+5,12) + 1 |
| 795 |
KK2 = MOD(K2+5,12) + 1 |
| 796 |
ENDIF |
| 797 |
|
| 798 |
ALAI(I,bi,bj) = VGLA(KK2,ITYP(I,bi,bj))*FAC+ |
| 799 |
. VGLA(KK1,ITYP(I,bi,bj))*(ONE-FAC) |
| 800 |
AGRN(I,bi,bj) = VGGR(KK2,ITYP(I,bi,bj))*FAC+ |
| 801 |
. VGGR(KK1,ITYP(I,bi,bj))*(ONE-FAC) |
| 802 |
|
| 803 |
220 CONTINUE |
| 804 |
|
| 805 |
RETURN |
| 806 |
END |
| 807 |
|
| 808 |
subroutine getalb(sec,month,day,cosz,snodep,fraci,fracg,im,jm, |
| 809 |
. nchp,nchptot,nchpland,nSx,nSy,bi,bj,igrd,ityp,chfr,chlt, |
| 810 |
. alai,agrn,albvr,albvf,albnr,albnf) |
| 811 |
C*********************************************************************** |
| 812 |
C PURPOSE |
| 813 |
C To act as an interface to routine sibalb, which calculates |
| 814 |
C the four albedos for use by the shortwave radiation routine |
| 815 |
C |
| 816 |
C INPUT: |
| 817 |
C sec - number of seconds into the day of current time |
| 818 |
C month - month of the year of current time |
| 819 |
C day - day of the month of current time |
| 820 |
C cosz - local cosine of the zenith angle [im,jm] |
| 821 |
C snodep - snow cover in meters [nchp,nSx,nSy] |
| 822 |
C fraci - real array in grid space of total sea ice fraction [im,jm] |
| 823 |
C fracg - real array in grid space of total land fraction [im,jm] |
| 824 |
C im - model grid longitude dimension |
| 825 |
C jm - model grid latitude dimension (number of lat. points) |
| 826 |
C nchp - integer actual number of tiles in tile space |
| 827 |
C nchpland - integer number of land tiles |
| 828 |
C nSx - number of processors in x-direction |
| 829 |
C nSy - number of processors in y-direction |
| 830 |
C bi - processors index in x-direction |
| 831 |
C bj - processors index in y-direction |
| 832 |
C igrd - integer array in tile space of grid point number for each |
| 833 |
C tile [nchp,nSx,nSy] |
| 834 |
C ityp - integer array in tile space of land surface type for each |
| 835 |
C tile [nchp,nSx,nSy] |
| 836 |
C chfr - real array in tile space of land surface type fraction for |
| 837 |
C each tile [nchp,nSx,nSy] |
| 838 |
C chlt - real array in tile space of latitude value for each tile |
| 839 |
C [nchp,nSx,nSy] |
| 840 |
C |
| 841 |
C OUTPUT: |
| 842 |
C albvr - real array [im,jm] of visible direct beam albedo |
| 843 |
C albvf - real array [im,jm] of visible diffuse beam albedo |
| 844 |
C albnr - real array [im,jm] of near-ir direct beam albedo |
| 845 |
C albnf - real array [im,jm] of near-ir diffuse beam albedo |
| 846 |
C |
| 847 |
C*********************************************************************** |
| 848 |
implicit none |
| 849 |
|
| 850 |
integer sec,month,day,im,jm,nchp,nchptot,nchpland,nSx,nSy,bi,bj |
| 851 |
_RL cosz(im,jm),fraci(im,jm),fracg(im,jm) |
| 852 |
_RL snodep(nchp,nSx,nSy),chfr(nchp,nSx,nSy),chlt(nchp,nSx,nSy) |
| 853 |
integer igrd(nchp,nSx,nSy),ityp(nchp,nSx,nSy) |
| 854 |
_RL alai(nchp,nSx,nSy),agrn(nchp,nSx,nSy) |
| 855 |
_RL albvr(im,jm,nSx,nSy),albvf(im,jm,nSx,nSy) |
| 856 |
_RL albnr(im,jm,nSx,nSy),albnf(im,jm,nSx,nSy) |
| 857 |
|
| 858 |
_RL one,a0,a1,a2,a3,ocnalb,albsi |
| 859 |
PARAMETER (one = 1.) |
| 860 |
PARAMETER (A0= 0.40670980) |
| 861 |
PARAMETER (A1=-1.2523634 ) |
| 862 |
PARAMETER (A2= 1.4224051 ) |
| 863 |
PARAMETER (A3=-0.55573341) |
| 864 |
PARAMETER (OCNALB=0.08) |
| 865 |
PARAMETER (ALBSI=0.7) |
| 866 |
|
| 867 |
_RL alboc(im,jm) |
| 868 |
_RL AVISDR(nchp),ANIRDR(nchp),AVISDF(nchp) |
| 869 |
_RL ANIRDF(nchp) |
| 870 |
_RL zenith(nchp) |
| 871 |
_RL tmpij(im,jm) |
| 872 |
integer i,j |
| 873 |
|
| 874 |
DO I=1,IM |
| 875 |
DO J=1,JM |
| 876 |
ALBOC(I,J) = A0 + (A1 + (A2 + A3*cosz(I,J))*cosz(I,J))*cosz(I,J) |
| 877 |
ALBVR(I,J,bi,bj) = ALBSI*FRACI(I,J) + ALBOC(I,J)*(ONE-FRACI(I,J)) |
| 878 |
ALBNR(I,J,bi,bj) = ALBVR(I,J,bi,bj) |
| 879 |
ALBVF(I,J,bi,bj) = ALBSI * FRACI(I,J) + OCNALB * (ONE-FRACI(I,J)) |
| 880 |
ALBNF(I,J,bi,bj) = ALBVF(I,J,bi,bj) |
| 881 |
ENDDO |
| 882 |
ENDDO |
| 883 |
|
| 884 |
C and now some conversions from grid space to tile space before sibalb |
| 885 |
|
| 886 |
call grd2msc(cosz,im,jm,igrd,zenith,nchp,nchpland) |
| 887 |
|
| 888 |
C and now call sibalb |
| 889 |
|
| 890 |
call sibalb(avisdr,anirdr,avisdf,anirdf,alai(1,bi,bj), |
| 891 |
. agrn(1,bi,bj),zenith,snodep(1,bi,bj),ityp(1,bi,bj),nchpland) |
| 892 |
|
| 893 |
C finally some transformations back to grid space for albedos |
| 894 |
|
| 895 |
DO I=1,IM |
| 896 |
DO J=1,JM |
| 897 |
tmpij(i,j) = albvr(i,j,bi,bj) |
| 898 |
ENDDO |
| 899 |
ENDDO |
| 900 |
call msc2grd(igrd(1,bi,bj),chfr(1,bi,bj),avisdr,nchp,nchpland, |
| 901 |
. fracg,tmpij,im,jm) |
| 902 |
|
| 903 |
DO I=1,IM |
| 904 |
DO J=1,JM |
| 905 |
albvr(i,j,bi,bj) = tmpij(i,j) |
| 906 |
ENDDO |
| 907 |
ENDDO |
| 908 |
DO I=1,IM |
| 909 |
DO J=1,JM |
| 910 |
tmpij(i,j) = albvf(i,j,bi,bj) |
| 911 |
ENDDO |
| 912 |
ENDDO |
| 913 |
call msc2grd(igrd(1,bi,bj),chfr(1,bi,bj),avisdf,nchp,nchpland, |
| 914 |
. fracg,tmpij,im,jm) |
| 915 |
DO I=1,IM |
| 916 |
DO J=1,JM |
| 917 |
albvf(i,j,bi,bj) = tmpij(i,j) |
| 918 |
ENDDO |
| 919 |
ENDDO |
| 920 |
DO I=1,IM |
| 921 |
DO J=1,JM |
| 922 |
tmpij(i,j) = albnr(i,j,bi,bj) |
| 923 |
ENDDO |
| 924 |
ENDDO |
| 925 |
call msc2grd(igrd(1,bi,bj),chfr(1,bi,bj),anirdr,nchp,nchpland, |
| 926 |
. fracg,tmpij,im,jm) |
| 927 |
DO I=1,IM |
| 928 |
DO J=1,JM |
| 929 |
albnr(i,j,bi,bj) = tmpij(i,j) |
| 930 |
ENDDO |
| 931 |
ENDDO |
| 932 |
DO I=1,IM |
| 933 |
DO J=1,JM |
| 934 |
tmpij(i,j) = albnf(i,j,bi,bj) |
| 935 |
ENDDO |
| 936 |
ENDDO |
| 937 |
call msc2grd(igrd(1,bi,bj),chfr(1,bi,bj),anirdf,nchp,nchpland, |
| 938 |
. fracg,tmpij,im,jm) |
| 939 |
DO I=1,IM |
| 940 |
DO J=1,JM |
| 941 |
albnf(i,j,bi,bj) = tmpij(i,j) |
| 942 |
ENDDO |
| 943 |
ENDDO |
| 944 |
|
| 945 |
return |
| 946 |
end |
| 947 |
|
| 948 |
subroutine getemiss(fracg,im,jm,nchp,nchptot,nSx,nSy,bi,bj, |
| 949 |
. igrd,ityp,chfr,snowdep,fraci,emiss) |
| 950 |
C*********************************************************************** |
| 951 |
C PURPOSE |
| 952 |
C To act as an interface to routine to emissivity, which calculates |
| 953 |
C ten bands of surface emissivities for use by the longwave radiation |
| 954 |
C |
| 955 |
C INPUT: |
| 956 |
C fracg - real array in grid space of total land fraction [im,jm] |
| 957 |
C im - model grid longitude dimension |
| 958 |
C jm - model grid latitude dimension (number of lat. points) |
| 959 |
C nchp - integer actual number of tiles in tile space |
| 960 |
C nSx - number of processors in x-direction |
| 961 |
C nSy - number of processors in y-direction |
| 962 |
C bi - processors index in x-direction |
| 963 |
C bj - processors index in y-direction |
| 964 |
C igrd - integer array in tile space of grid point number for each |
| 965 |
C tile [nchp] |
| 966 |
C ityp - integer array in tile space of land surface type for each |
| 967 |
C tile [nchp] |
| 968 |
C chfr - real array in tile space of land surface type fraction for |
| 969 |
C each tile [nchp] |
| 970 |
C snowdep - real array in tile space of snow depth (liquid water equiv) |
| 971 |
C in mm [nchp] |
| 972 |
C fraci - real array in tile space of sea ice fraction [nchp] |
| 973 |
C |
| 974 |
C OUTPUT: |
| 975 |
C emiss - real array [im,jm,10,nSx,nSy] - surface emissivity (frac) |
| 976 |
C |
| 977 |
C*********************************************************************** |
| 978 |
implicit none |
| 979 |
integer im,jm,nchp,nchptot,nSx,nSy,bi,bj |
| 980 |
_RL fracg(im,jm) |
| 981 |
_RL chfr(nchp,nSx,nSy) |
| 982 |
integer igrd(nchp,nSx,nSy), ityp(nchp,nSx,nSy) |
| 983 |
_RL snowdep(nchp,nSx,nSy) |
| 984 |
_RL fraci(nchp) |
| 985 |
_RL emiss(im,jm,10,nSx,nSy) |
| 986 |
|
| 987 |
_RL emisstile(nchp,10) |
| 988 |
_RL tmpij(im,jm) |
| 989 |
integer i,j,k,n |
| 990 |
|
| 991 |
do i = 1,10 |
| 992 |
do n = 1,nchptot |
| 993 |
emisstile(n,i) = 1. |
| 994 |
enddo |
| 995 |
enddo |
| 996 |
|
| 997 |
c call emissivity to get values in tile space |
| 998 |
c ------------------------------------------- |
| 999 |
call emissivity(snowdep(1,bi,bj),fraci,nchp,nchptot,ityp(1,bi,bj), |
| 1000 |
. emisstile) |
| 1001 |
|
| 1002 |
c transform back to grid space for emissivities |
| 1003 |
c --------------------------------------------- |
| 1004 |
do k = 1,10 |
| 1005 |
do j = 1,jm |
| 1006 |
do i = 1,im |
| 1007 |
tmpij(i,j) = 0.0 |
| 1008 |
enddo |
| 1009 |
enddo |
| 1010 |
call msc2grd(igrd(1,bi,bj),chfr(1,bi,bj),emisstile(1,k),nchp, |
| 1011 |
. nchptot,fracg,tmpij,im,jm) |
| 1012 |
do j = 1,jm |
| 1013 |
do i = 1,im |
| 1014 |
emiss(i,j,k,bi,bj) = tmpij(i,j) |
| 1015 |
enddo |
| 1016 |
enddo |
| 1017 |
enddo |
| 1018 |
|
| 1019 |
return |
| 1020 |
end |
| 1021 |
|
| 1022 |
subroutine emissivity (snowdepth,fraci,nchp,numpts,ityp,newemis) |
| 1023 |
implicit none |
| 1024 |
integer nchp,numpts |
| 1025 |
integer ityp(nchp) |
| 1026 |
_RL snowdepth(nchp) |
| 1027 |
_RL fraci(nchp) |
| 1028 |
_RL newemis(nchp,10) |
| 1029 |
|
| 1030 |
_RL emis(12,11) |
| 1031 |
_RL fac |
| 1032 |
integer i,j |
| 1033 |
|
| 1034 |
c----------------------------------------------------------------------- |
| 1035 |
c NOTE: Emissivities were obtained for the following surface types: |
| 1036 |
c ( 1) evergreen needleleaf = conifer |
| 1037 |
c ( 2) evergreen broadleaf = conifer |
| 1038 |
c ( 3) deciduous needleleaf = deciduous |
| 1039 |
c ( 4) deciduous broadleaf = deciduous |
| 1040 |
c ( 5) mixed forests = 1/2 conifer + 1/2 deciduous = tree |
| 1041 |
c ( 6) closed shrublands = 3/4 tree + 1/4 quartz |
| 1042 |
c ( 7) open shrubland = 1/4 tree + 3/4 quartz |
| 1043 |
c ( 8) woody savannas = grass |
| 1044 |
c ( 9) savannas = grass |
| 1045 |
c (10) grasslands = grass |
| 1046 |
c (11) permanent wetlands = 1/2 grass + 1/2 water |
| 1047 |
c (12) croplands = grass |
| 1048 |
c (13) urban = black body |
| 1049 |
c (14) mosaic = 1/2 grass + 1/2 mixed forest |
| 1050 |
c (15) snow/ice |
| 1051 |
c (16) barren/sparsely vegetated = desert(quartz) |
| 1052 |
c (17) water |
| 1053 |
c (18) tundra = frost |
| 1054 |
c |
| 1055 |
c NOTE: Translation to Koster-Suarez surface types was as follows: |
| 1056 |
c ( 1) broadleaf evergreen FROM above type 1 (conifer) |
| 1057 |
c ( 2) broadleaf deciduous FROM above type 2 (deciduous) |
| 1058 |
c ( 3) needleleaf evergreen FROM above type 1 (conifer) |
| 1059 |
c ( 4) groundcover FROM above type 10 (grass) |
| 1060 |
c ( 5) broadleaf shrubs FROM above type 6 (closed shrublands) |
| 1061 |
c ( 6) dwarf trees (tundra) FROM above type 18 (tundra) |
| 1062 |
c ( 7) bare soil FROM above type 16 (desert) |
| 1063 |
c ( 8) light desert FROM above type 16 (desert) |
| 1064 |
c ( 9) glacier FROM above type 15 (snow/ice) |
| 1065 |
c ( 10) dark desert FROM above type 16 (desert) |
| 1066 |
c (100) ocean FROM above type 17 (water) |
| 1067 |
c |
| 1068 |
c NOTE: snow-covered ground uses interpolated emissivities based on snow depth |
| 1069 |
c ============================================================================= |
| 1070 |
c ----------------------------------------------------------------------------- |
| 1071 |
c Emmissivities for 12 bands in Fu/Liou |
| 1072 |
c band 1: 4.5 - 5.3 um |
| 1073 |
c band 2: 5.3 - 5.9 um |
| 1074 |
c band 3: 5.9 - 7.1 um |
| 1075 |
c band 4: 7.1 - 8.0 um |
| 1076 |
c band 5: 8.0 - 9.1 um |
| 1077 |
c band 6: 9.1 - 10.2 um |
| 1078 |
c band 7: 10.2 - 12.5 um |
| 1079 |
c band 8: 12.5 - 14.9 um |
| 1080 |
c band 9: 14.9 - 18.5 um |
| 1081 |
c band 10: 18.5 - 25.0 um |
| 1082 |
c band 11: 25.0 - 35.7 um |
| 1083 |
c band 12: 35.7 - oo um |
| 1084 |
c |
| 1085 |
c------------------------------------------------------------------------- |
| 1086 |
data ((emis(i,j),i=1,12),j=1,11) / |
| 1087 |
C evergreen needleleaf |
| 1088 |
& 0.9891, 0.9892, 0.9900, 0.9914, 0.9908, 0.9903, |
| 1089 |
& 0.9898, 0.9948, 1.0000, 1.0000, 1.0000, 1.0000, |
| 1090 |
C deciduous needleleaf |
| 1091 |
& 0.9849, 0.9856, 0.9841, 0.9831, 0.9789, 0.9805, |
| 1092 |
& 0.9733, 0.9869, 1.0000, 1.0000, 1.0000, 1.0000, |
| 1093 |
C evergreen needleleaf |
| 1094 |
& 0.9891, 0.9892, 0.9900, 0.9914, 0.9908, 0.9903, |
| 1095 |
& 0.9898, 0.9948, 1.0000, 1.0000, 1.0000, 1.0000, |
| 1096 |
C grasslands |
| 1097 |
& 0.9867, 0.9897, 0.9920, 0.9933, 0.9830, 0.9752, |
| 1098 |
& 0.9853, 0.9928, 1.0000, 1.0000, 1.0000, 1.0000, |
| 1099 |
C closed shrublands |
| 1100 |
& 0.9490, 0.9697, 0.9738, 0.9712, 0.9474, 0.9582, |
| 1101 |
& 0.9663, 0.9747, 0.9836, 0.9836, 0.9836, 0.9836, |
| 1102 |
C tundra |
| 1103 |
& 0.9469, 0.9670, 0.9883, 0.9795, 0.9751, 0.9767, |
| 1104 |
& 0.9920, 0.9888, 0.9888, 0.9888, 0.9888, 0.9888, |
| 1105 |
C barren |
| 1106 |
& 0.8353, 0.9163, 0.9342, 0.9229, 0.8354, 0.8766, |
| 1107 |
& 0.9210, 0.9262, 0.9345, 0.9345, 0.9345, 0.9345, |
| 1108 |
C barren |
| 1109 |
& 0.8353, 0.9163, 0.9342, 0.9229, 0.8354, 0.8766, |
| 1110 |
& 0.9210, 0.9262, 0.9345, 0.9345, 0.9345, 0.9345, |
| 1111 |
C snow/ice |
| 1112 |
& 0.9998, 0.9998, 0.9998, 0.9998, 0.9998, 0.9999, |
| 1113 |
& 0.9997, 0.9994, 0.9995, 0.9995, 0.9995, 0.9995, |
| 1114 |
C barren |
| 1115 |
& 0.8353, 0.9163, 0.9342, 0.9229, 0.8354, 0.8766, |
| 1116 |
& 0.9210, 0.9262, 0.9345, 0.9345, 0.9345, 0.9345, |
| 1117 |
C water |
| 1118 |
& 0.9788, 0.9833, 0.9819, 0.9820, 0.9835, 0.9865, |
| 1119 |
& 0.9886, 0.9719, 0.9719, 0.9719, 0.9719, 0.9719/ |
| 1120 |
|
| 1121 |
#include "snwmid.h" |
| 1122 |
|
| 1123 |
c Convert to the 10 bands needed by Chou Radiation |
| 1124 |
c ------------------------------------------------ |
| 1125 |
do i=1,numpts |
| 1126 |
|
| 1127 |
c land points |
| 1128 |
c------------ |
| 1129 |
if(ityp(i).le.10)then |
| 1130 |
newemis(i, 1) = (emis( 1,ityp(i))+emis(2,ityp(i)))/2. |
| 1131 |
newemis(i, 2) = (emis( 2,ityp(i))+emis(3,ityp(i)))/2. |
| 1132 |
newemis(i, 3) = (emis( 4,ityp(i))+emis(5,ityp(i)))/2. |
| 1133 |
newemis(i, 4) = emis( 6,ityp(i)) |
| 1134 |
newemis(i, 5) = emis( 7,ityp(i)) |
| 1135 |
newemis(i, 6) = emis( 8,ityp(i)) |
| 1136 |
newemis(i, 7) = emis( 9,ityp(i)) |
| 1137 |
newemis(i, 8) = (emis(10,ityp(i))+emis(11,ityp(i)))/2. |
| 1138 |
newemis(i, 9) = emis(12,ityp(i)) |
| 1139 |
newemis(i,10) = emis( 4,ityp(i)) |
| 1140 |
|
| 1141 |
c modify emissivity for snow based on snow depth (like albedo) |
| 1142 |
c------------------------------------------------------------- |
| 1143 |
if(snowdepth (i).gt.0.) then |
| 1144 |
fac = snowdepth(i) / (snowdepth(i) + snwmid(ityp(i))) |
| 1145 |
newemis(i, 1) = newemis(i, 1) + (((emis( 1,9)+emis( 2,9))/2.) |
| 1146 |
. - newemis(i, 1)) * fac |
| 1147 |
newemis(i, 2) = newemis(i, 2) + (((emis( 2,9)+emis( 3,9))/2.) |
| 1148 |
. - newemis(i, 2)) * fac |
| 1149 |
newemis(i, 3) = newemis(i, 3) + (((emis( 4,9)+emis( 5,9))/2.) |
| 1150 |
. - newemis(i, 3)) * fac |
| 1151 |
newemis(i, 4) = newemis(i, 4) + (emis( 6,9) |
| 1152 |
. - newemis(i, 4)) * fac |
| 1153 |
newemis(i, 5) = newemis(i, 5) + (emis( 7,9) |
| 1154 |
. - newemis(i, 5)) * fac |
| 1155 |
newemis(i, 6) = newemis(i, 6) + (emis( 8,9) |
| 1156 |
. - newemis(i, 6)) * fac |
| 1157 |
newemis(i, 7) = newemis(i, 7) + (emis( 9,9) |
| 1158 |
. - newemis(i, 7)) * fac |
| 1159 |
newemis(i, 8) = newemis(i, 8) + (((emis(10,9)+emis(11,9))/2.) |
| 1160 |
. - newemis(i, 8)) * fac |
| 1161 |
newemis(i, 9) = newemis(i, 9) + (emis(12,9) |
| 1162 |
. - newemis(i, 9)) * fac |
| 1163 |
newemis(i,10) = newemis(i,10) + (emis( 4,9) |
| 1164 |
. - newemis(i,10)) * fac |
| 1165 |
endif |
| 1166 |
|
| 1167 |
c open water |
| 1168 |
c----------- |
| 1169 |
else |
| 1170 |
if(fraci(i).eq.0.)then |
| 1171 |
newemis(i, 1) = (emis( 1,11)+emis(2,11))/2. |
| 1172 |
newemis(i, 2) = (emis( 2,11)+emis(3,11))/2. |
| 1173 |
newemis(i, 3) = (emis( 4,11)+emis(5,11))/2. |
| 1174 |
newemis(i, 4) = emis( 6,11) |
| 1175 |
newemis(i, 5) = emis( 7,11) |
| 1176 |
newemis(i, 6) = emis( 8,11) |
| 1177 |
newemis(i, 7) = emis( 9,11) |
| 1178 |
newemis(i, 8) = (emis(10,11)+emis(11,11))/2. |
| 1179 |
newemis(i, 9) = emis(12,11) |
| 1180 |
newemis(i,10) = emis( 4,11) |
| 1181 |
|
| 1182 |
c sea ice (like glacier and snow) |
| 1183 |
c-------------------------------- |
| 1184 |
else |
| 1185 |
newemis(i, 1) = (emis( 1,9)+emis(2,9))/2. |
| 1186 |
newemis(i, 2) = (emis( 2,9)+emis(3,9))/2. |
| 1187 |
newemis(i, 3) = (emis( 4,9)+emis(5,9))/2. |
| 1188 |
newemis(i, 4) = emis( 6,9) |
| 1189 |
newemis(i, 5) = emis( 7,9) |
| 1190 |
newemis(i, 6) = emis( 8,9) |
| 1191 |
newemis(i, 7) = emis( 9,9) |
| 1192 |
newemis(i, 8) = (emis(10,9)+emis(11,9))/2. |
| 1193 |
newemis(i, 9) = emis(12,9) |
| 1194 |
newemis(i,10) = emis( 4,9) |
| 1195 |
endif |
| 1196 |
endif |
| 1197 |
enddo |
| 1198 |
|
| 1199 |
return |
| 1200 |
end |
| 1201 |
subroutine get_landfrac(im,jm,nSx,nSy,bi,bj,maxtyp,surftype, |
| 1202 |
. tilefrac,frac) |
| 1203 |
C*********************************************************************** |
| 1204 |
C Purpose |
| 1205 |
C To compute the total fraction of land within a model grid-box |
| 1206 |
C |
| 1207 |
C*********************************************************************** |
| 1208 |
implicit none |
| 1209 |
|
| 1210 |
integer im,jm,nSx,nSy,bi,bj,maxtyp |
| 1211 |
integer surftype(im,jm,maxtyp,nSx,nSy) |
| 1212 |
_RL tilefrac(im,jm,maxtyp,nSx,nSy) |
| 1213 |
_RL frac(im,jm) |
| 1214 |
|
| 1215 |
integer i,j,k |
| 1216 |
|
| 1217 |
do j=1,jm |
| 1218 |
do i=1,im |
| 1219 |
frac(i,j) = 0.0 |
| 1220 |
enddo |
| 1221 |
enddo |
| 1222 |
|
| 1223 |
do k=1,maxtyp |
| 1224 |
do j=1,jm |
| 1225 |
do i=1,im |
| 1226 |
if( (surftype(i,j,k,bi,bj).lt.100.).and. |
| 1227 |
. (tilefrac(i,j,k,bi,bj).gt.0.0))then |
| 1228 |
frac(i,j) = frac(i,j) + tilefrac(i,j,k,bi,bj) |
| 1229 |
endif |
| 1230 |
enddo |
| 1231 |
enddo |
| 1232 |
enddo |
| 1233 |
|
| 1234 |
return |
| 1235 |
end |
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