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C $Header: /u/gcmpack/MITgcm/pkg/fizhi/update_earth_exports.F,v 1.9 2004/06/10 21:50:33 molod Exp $ |
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C $Name: $ |
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|
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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 "CPP_OPTIONS.h" |
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#include "SIZE.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 "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 myTime, myIter, myThid |
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|
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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 ra |
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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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integer sec, day, month |
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integer nmonf,ndayf |
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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,bi,bj) = xC(i,j,bi,bj) |
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lats(i,j,bi,bj) = 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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do j = jm1,jm2 |
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do i = im1,im2 |
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if(sea_ice(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,nSx,nSy,bi,bj, |
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. 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,ra) |
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call getalb(sec,month,day,cosz,snodep,fraci,fracl,im2,jm2,nchp, |
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. nchpland,nSx,nSy,bi,bj,igrd,ityp,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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|
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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,nchp) |
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call getemiss(fracl,im2,jm2,nchp,nSx,nSy,bi,bj,igrd,ityp,chfr, |
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. snodep,ficetile,emiss) |
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endif |
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|
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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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tgz(i,j,bi,bj) = 0. |
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enddo |
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enddo |
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call msc2grd(igrd(1,bi,bj),chfr(1,bi,bj),tcanopy(1,bi,bj), |
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. nchp,nchp,fracl,tgz(1,bi,bj),im2,jm2) |
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do j = jm1,jm2 |
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do i = im1,im2 |
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if(fracl(i,j).lt.0.3.and.sea_ice(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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#include "CPP_EEOPTIONS.h" |
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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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` VLAI (IRUN), VGRN (IRUN), ZTH (IRUN), SNW (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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|
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* [ Definition of Variables: ] |
214 |
* |
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INTEGER I, LAI |
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|
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_RL FAC, GAMMA, BETA, ALPHA, |
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` DX, DY, ALA, GRN (2), |
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` SNWALB (4, NTYPS), SNWMID (NTYPS) |
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|
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* [ Definition of Functions: ] |
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* |
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_RL COEFF |
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|
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C Constants used in albedo calculations: |
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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/ |
252 |
|
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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/ |
256 |
|
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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/ |
260 |
|
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C GROUNDCOVER (ITYP=2); GREEN=0.33; LAI=.5-7 |
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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 |
267 |
DATA (ALVDR (I, 2, 4), I = 1, 14) /14*0.1637/ |
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|
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C BROADLEAF SHRUBS (ITYP=5); GREEN=0.33,LAI=.5-7 |
270 |
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/ |
272 |
|
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C BROADLEAF SHRUBS (ITYP=5); GREEN=0.67,LAI=.5-7 |
274 |
DATA (ALVDR (I, 2, 5), I = 1, 14) |
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& /0.0787, 0.0777, 0.0772, 0.0771, 10*0.0770/ |
276 |
|
277 |
C DWARF TREES, OR TUNDRA (ITYP=6); GREEN=0.33,LAI=.5-7 |
278 |
DATA (ALVDR (I, 1, 6), I = 1, 14) |
279 |
& /0.0802, 0.0791, 0.0787, 0.0786, 10*0.0785/ |
280 |
|
281 |
C DWARF TREES, OR TUNDRA (ITYP=6); GREEN=0.67,LAI=.5-7 |
282 |
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/ |
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|
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|
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C BARE SOIL |
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DATA (ALVDR (I, 1, 7), I = 1, 14) /14*ALVDRS/ |
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DATA (ALVDR (I, 2, 7), I = 1, 14) /14*ALVDRS/ |
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|
290 |
C LIGHT DESERT (SAHARA, EG) |
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DATA (ALVDR (I, 1, 8), I = 1, 14) /14*ALVDRDL/ |
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DATA (ALVDR (I, 2, 8), I = 1, 14) /14*ALVDRDL/ |
293 |
|
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C ICE |
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DATA (ALVDR (I, 1, 9), I = 1, 14) /14*ALVDRI/ |
296 |
DATA (ALVDR (I, 2, 9), I = 1, 14) /14*ALVDRI/ |
297 |
|
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C DARK DESERT (AUSTRALIA, EG) |
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DATA (ALVDR (I, 1, 10), I = 1, 14) /14*ALVDRDD/ |
300 |
DATA (ALVDR (I, 2, 10), I = 1, 14) /14*ALVDRDD/ |
301 |
C**** |
302 |
C**** ------------------------------------------------- |
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DATA (BTVDR (I, 1, 1), I = 1, 14) |
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` /0.0153, 0.0372, 0.0506, 0.0587, 0.0630, 0.0652, 0.0663, |
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` 0.0668, 0.0671, 0.0672, 4*0.0673 |
306 |
` / |
307 |
DATA (BTVDR (I, 2, 1), I = 1, 14) |
308 |
* /0.0135, 0.0354, 0.0487, 0.0568, 0.0611, 0.0633, 0.0644, |
309 |
` 0.0650, 0.0652, 0.0654, 0.0654, 3*0.0655 |
310 |
` / |
311 |
DATA (BTVDR (I, 1, 2), I = 1, 14) |
312 |
* /0.0148, 0.0357, 0.0462, 0.0524, 0.0554, 0.0569, 0.0576, |
313 |
` 0.0579, 0.0580, 0.0581, 0.0581, 3*0.0582 |
314 |
` / |
315 |
DATA (BTVDR (I, 2, 2), I = 1, 14) |
316 |
* /0.0131, 0.0342, 0.0446, 0.0508, 0.0539, 0.0554, 0.0560, |
317 |
` 0.0564, 0.0565, 5*0.0566 |
318 |
` / |
319 |
DATA (BTVDR (I, 1, 3), I = 1, 14) |
320 |
* /0.0108, 0.0334, 0.0478, 0.0571, 0.0624, 0.0652, 0.0666, |
321 |
` 0.0673, 0.0677, 0.0679, 4*0.0680 |
322 |
` / |
323 |
DATA (BTVDR (I, 2, 3), I = 1, 14) |
324 |
* /0.0034, 0.0272, 0.0408, 0.0501, 0.0554, 0.0582, 0.0597, |
325 |
* 0.0604, 0.0608, 0.0610, 4*0.0611 |
326 |
` / |
327 |
DATA (BTVDR (I, 1, 4), I = 1, 14) |
328 |
* /0.2050, 0.2524, 0.2799, 0.2947, 0.3022, 0.3059, 0.3076, |
329 |
* 0.3085, 0.3088, 0.3090, 4*0.3091 |
330 |
` / |
331 |
DATA (BTVDR (I, 2, 4), I = 1, 14) |
332 |
* /0.1084, 0.1404, 0.1617, 0.1754, 0.1837, 0.1887, 0.1915, |
333 |
* 0.1931, 0.1940, 0.1946, 0.1948, 0.1950, 2*0.1951 |
334 |
` / |
335 |
DATA (BTVDR (I, 1, 5), I = 1, 14) |
336 |
& /0.0203, 0.0406, 0.0548, 0.0632, 0.0679, 0.0703, 0.0716, |
337 |
& 0.0722, 0.0726, 0.0727, 0.0728, 0.0728, 0.0728, 0.0729 |
338 |
` / |
339 |
|
340 |
DATA (BTVDR (I, 2, 5), I = 1, 14) |
341 |
& /0.0184, 0.0385, 0.0526, 0.0611, 0.0658, 0.0683, 0.0696, |
342 |
& 0.0702, 0.0705, 0.0707, 4*0.0708 |
343 |
` / |
344 |
|
345 |
DATA (BTVDR (I, 1, 6), I = 1, 14) |
346 |
& /0.0199, 0.0388, 0.0494, 0.0554, 0.0584, 0.0599, 0.0606, |
347 |
& 0.0609, 0.0611, 5*0.0612 |
348 |
` / |
349 |
|
350 |
DATA (BTVDR (I, 2, 6), I = 1, 14) |
351 |
& /0.0181, 0.0371, 0.0476, 0.0537, 0.0568, 0.0583, 0.0590, |
352 |
& 0.0593, 0.0595, 0.0595, 4*0.0596 |
353 |
` / |
354 |
|
355 |
DATA (BTVDR (I, 1, 7), I = 1, 14) /14*0./ |
356 |
DATA (BTVDR (I, 2, 7), I = 1, 14) /14*0./ |
357 |
|
358 |
DATA (BTVDR (I, 1, 8), I = 1, 14) /14*0./ |
359 |
DATA (BTVDR (I, 2, 8), I = 1, 14) /14*0./ |
360 |
|
361 |
DATA (BTVDR (I, 1, 9), I = 1, 14) /14*0./ |
362 |
DATA (BTVDR (I, 2, 9), I = 1, 14) /14*0./ |
363 |
|
364 |
DATA (BTVDR (I, 1, 10), I = 1, 14) /14*0./ |
365 |
DATA (BTVDR (I, 2, 10), I = 1, 14) /14*0./ |
366 |
|
367 |
C**** |
368 |
C**** ----------------------------------------------------------- |
369 |
DATA (GMVDR (I, 1, 1), I = 1, 14) |
370 |
` /0.0814, 0.1361, 0.2078, 0.2650, 0.2986, 0.3169, 0.3265, |
371 |
* 0.3313, 0.3337, 0.3348, 0.3354, 0.3357, 2*0.3358 |
372 |
` / |
373 |
DATA (GMVDR (I, 2, 1), I = 1, 14) |
374 |
* /0.0760, 0.1336, 0.2034, 0.2622, 0.2969, 0.3159, 0.3259, |
375 |
* 0.3309, 0.3333, 0.3346, 0.3352, 0.3354, 2*0.3356 |
376 |
` / |
377 |
DATA (GMVDR (I, 1, 2), I = 1, 14) |
378 |
* /0.0834, 0.1252, 0.1558, 0.1927, 0.2131, 0.2237, 0.2290, |
379 |
* 0.2315, 0.2327, 0.2332, 0.2335, 2*0.2336, 0.2337 |
380 |
` / |
381 |
DATA (GMVDR (I, 2, 2), I = 1, 14) |
382 |
* /0.0789, 0.1235, 0.1531, 0.1912, 0.2122, 0.2232, 0.2286, |
383 |
* 0.2312, 0.2324, 0.2330, 0.2333, 0.2334, 2*0.2335 |
384 |
` / |
385 |
DATA (GMVDR (I, 1, 3), I = 1, 14) |
386 |
* /0.0647, 0.1342, 0.2215, 0.2968, 0.3432, 0.3696, 0.3838, |
387 |
* 0.3912, 0.3950, 0.3968, 0.3978, 0.3982, 0.3984, 0.3985 |
388 |
` / |
389 |
DATA (GMVDR (I, 2, 3), I = 1, 14) |
390 |
* /0.0258, 0.1227, 0.1999, 0.2825, 0.3339, 0.3634, 0.3794, |
391 |
* 0.3877, 0.3919, 0.3940, 0.3950, 0.3956, 0.3958, 0.3959 |
392 |
` / |
393 |
DATA (GMVDR (I, 1, 4), I = 1, 14) |
394 |
* /0.3371, 0.5762, 0.7159, 0.7927, 0.8324, 0.8526, 0.8624, |
395 |
* 0.8671, 0.8693, 0.8704, 0.8709, 0.8710, 2*0.8712 |
396 |
` / |
397 |
DATA (GMVDR (I, 2, 4), I = 1, 14) |
398 |
* /0.2634, 0.4375, 0.5532, 0.6291, 0.6763, 0.7048, 0.7213, |
399 |
* 0.7310, 0.7363, 0.7395, 0.7411, 0.7420, 0.7426, 0.7428 |
400 |
` / |
401 |
DATA (GMVDR (I, 1, 5), I = 1, 14) |
402 |
& /0.0971, 0.1544, 0.2511, 0.3157, 0.3548, 0.3768, 0.3886, |
403 |
& 0.3948, 0.3978, 0.3994, 0.4001, 0.4006, 0.4007, 0.4008 |
404 |
` / |
405 |
|
406 |
DATA (GMVDR (I, 2, 5), I = 1, 14) |
407 |
& /0.0924, 0.1470, 0.2458, 0.3123, 0.3527, 0.3756, 0.3877, |
408 |
& 0.3942, 0.3974, 0.3990, 0.3998, 0.4002, 0.4004, 0.4005 |
409 |
` / |
410 |
|
411 |
DATA (GMVDR (I, 1, 6), I = 1, 14) |
412 |
& /0.0970, 0.1355, 0.1841, 0.2230, 0.2447, 0.2561, 0.2617, |
413 |
& 0.2645, 0.2658, 0.2664, 0.2667, 3*0.2669 |
414 |
` / |
415 |
|
416 |
DATA (GMVDR (I, 2, 6), I = 1, 14) |
417 |
& /0.0934, 0.1337, 0.1812, 0.2213, 0.2437, 0.2554, 0.2613, |
418 |
& 0.2642, 0.2656, 0.2662, 0.2665, 0.2667, 0.2667, 0.2668 |
419 |
` / |
420 |
|
421 |
DATA (GMVDR (I, 1, 7), I = 1, 14) /14*1./ |
422 |
DATA (GMVDR (I, 2, 7), I = 1, 14) /14*1./ |
423 |
|
424 |
DATA (GMVDR (I, 1, 8), I = 1, 14) /14*1./ |
425 |
DATA (GMVDR (I, 2, 8), I = 1, 14) /14*1./ |
426 |
|
427 |
DATA (GMVDR (I, 1, 9), I = 1, 14) /14*1./ |
428 |
DATA (GMVDR (I, 2, 9), I = 1, 14) /14*1./ |
429 |
|
430 |
DATA (GMVDR (I, 1, 10), I = 1, 14) /14*1./ |
431 |
DATA (GMVDR (I, 2, 10), I = 1, 14) /14*1./ |
432 |
|
433 |
C**** |
434 |
C**** ----------------------------------------------------------- |
435 |
|
436 |
DATA (ALIDR (I, 1, 1), I = 1, 14) |
437 |
* /0.2867, 0.2840, 0.2828, 0.2822, 0.2819, 0.2818, 2*0.2817, |
438 |
* 6*0.2816 |
439 |
` / |
440 |
DATA (ALIDR (I, 2, 1), I = 1, 14) |
441 |
* /0.3564, 0.3573, 0.3577, 0.3580, 2*0.3581, 8*0.3582/ |
442 |
DATA (ALIDR (I, 1, 2), I = 1, 14) |
443 |
* /0.2848, 0.2819, 0.2804, 0.2798, 0.2795, 2*0.2793, 7*0.2792/ |
444 |
DATA (ALIDR (I, 2, 2), I = 1, 14) |
445 |
* /0.3544, 0.3550, 0.3553, 2*0.3555, 9*0.3556/ |
446 |
DATA (ALIDR (I, 1, 3), I = 1, 14) |
447 |
* /0.2350, 0.2311, 0.2293, 0.2285, 0.2281, 0.2280, 8*0.2279/ |
448 |
DATA (ALIDR (I, 2, 3), I = 1, 14) |
449 |
* /0.2474, 0.2436, 0.2418, 0.2410, 0.2406, 0.2405, 3*0.2404, |
450 |
* 5*0.2403 |
451 |
` / |
452 |
DATA (ALIDR (I, 1, 4), I = 1, 14) |
453 |
* /0.5816, 0.6157, 0.6391, 0.6556, 0.6673, 0.6758, 0.6820, |
454 |
* 0.6866, 0.6899, 0.6924, 0.6943, 0.6956, 0.6966, 0.6974 |
455 |
` / |
456 |
DATA (ALIDR (I, 2, 4), I = 1, 14) |
457 |
* /0.5489, 0.5770, 0.5955, 0.6079, 0.6163, 0.6221, 0.6261, |
458 |
* 0.6288, 0.6308, 0.6321, 0.6330, 0.6337, 0.6341, 0.6344 |
459 |
` / |
460 |
DATA (ALIDR (I, 1, 5), I = 1, 14) |
461 |
& /0.2845, 0.2837, 0.2832, 0.2831, 0.2830, 9*0.2829/ |
462 |
DATA (ALIDR (I, 2, 5), I = 1, 14) |
463 |
& /0.3532, 0.3562, 0.3578, 0.3586, 0.3590, 0.3592, 0.3594, |
464 |
& 0.3594, 0.3594, 5*0.3595 |
465 |
` / |
466 |
DATA (ALIDR (I, 1, 6), I = 1, 14) |
467 |
& /0.2825, 0.2812, 0.2806, 0.2803, 0.2802, 9*0.2801/ |
468 |
DATA (ALIDR (I, 2, 6), I = 1, 14) |
469 |
& /0.3512, 0.3538, 0.3552, 0.3559, 0.3562, 0.3564, 0.3565, |
470 |
& 0.3565, 6*0.3566 |
471 |
` / |
472 |
|
473 |
DATA (ALIDR (I, 1, 7), I = 1, 14) /14*ALIDRS/ |
474 |
DATA (ALIDR (I, 2, 7), I = 1, 14) /14*ALIDRS/ |
475 |
|
476 |
DATA (ALIDR (I, 1, 8), I = 1, 14) /14*ALIDRDL/ |
477 |
DATA (ALIDR (I, 2, 8), I = 1, 14) /14*ALIDRDL/ |
478 |
|
479 |
DATA (ALIDR (I, 1, 9), I = 1, 14) /14*ALIDRI/ |
480 |
DATA (ALIDR (I, 2, 9), I = 1, 14) /14*ALIDRI/ |
481 |
|
482 |
DATA (ALIDR (I, 1, 10), I = 1, 14) /14*ALIDRDD/ |
483 |
DATA (ALIDR (I, 2, 10), I = 1, 14) /14*ALIDRDD/ |
484 |
|
485 |
C**** |
486 |
C**** ----------------------------------------------------------- |
487 |
DATA (BTIDR (I, 1, 1), I = 1, 14) |
488 |
* /0.1291, 0.1707, 0.1969, 0.2125, 0.2216, 0.2267, 0.2295, |
489 |
* 0.2311, 0.2319, 0.2323, 0.2326, 2*0.2327, 0.2328 |
490 |
` / |
491 |
DATA (BTIDR (I, 2, 1), I = 1, 14) |
492 |
* /0.1939, 0.2357, 0.2598, 0.2735, 0.2810, 0.2851, 0.2874, |
493 |
* 0.2885, 0.2892, 0.2895, 0.2897, 3*0.2898 |
494 |
` / |
495 |
DATA (BTIDR (I, 1, 2), I = 1, 14) |
496 |
* /0.1217, 0.1522, 0.1713, 0.1820, 0.1879, 0.1910, 0.1926, |
497 |
* 0.1935, 0.1939, 0.1942, 2*0.1943, 2*0.1944 |
498 |
` / |
499 |
DATA (BTIDR (I, 2, 2), I = 1, 14) |
500 |
* /0.1781, 0.2067, 0.2221, 0.2301, 0.2342, 0.2363, 0.2374, |
501 |
* 0.2379, 0.2382, 0.2383, 2*0.2384, 2*0.2385 |
502 |
` / |
503 |
DATA (BTIDR (I, 1, 3), I = 1, 14) |
504 |
* /0.0846, 0.1299, 0.1614, 0.1814, 0.1935, 0.2004, 0.2043, |
505 |
* 0.2064, 0.2076, 0.2082, 0.2085, 2*0.2087, 0.2088 |
506 |
` / |
507 |
DATA (BTIDR (I, 2, 3), I = 1, 14) |
508 |
* /0.0950, 0.1410, 0.1722, 0.1921, 0.2042, 0.2111, 0.2151, |
509 |
* 0.2172, 0.2184, 0.2191, 0.2194, 0.2196, 2*0.2197 |
510 |
` / |
511 |
DATA (BTIDR (I, 1, 4), I = 1, 14) |
512 |
* /0.5256, 0.7444, 0.9908, 1.2700, 1.5680, 1.8505, 2.0767, |
513 |
* 2.2211, 2.2808, 2.2774, 2.2362, 2.1779, 2.1160, 2.0564 |
514 |
` / |
515 |
DATA (BTIDR (I, 2, 4), I = 1, 14) |
516 |
* /0.4843, 0.6714, 0.8577, 1.0335, 1.1812, 1.2858, 1.3458, |
517 |
* 1.3688, 1.3685, 1.3546, 1.3360, 1.3168, 1.2989, 1.2838 |
518 |
` / |
519 |
DATA (BTIDR (I, 1, 5), I = 1, 14) |
520 |
& /0.1498, 0.1930, 0.2201, 0.2364, 0.2460, 0.2514, 0.2544, |
521 |
& 0.2560, 0.2569, 0.2574, 0.2577, 0.2578, 0.2579, 0.2579 |
522 |
` / |
523 |
|
524 |
DATA (BTIDR (I, 2, 5), I = 1, 14) |
525 |
& /0.2184, 0.2656, 0.2927, 0.3078, 0.3159, 0.3202, 0.3224, |
526 |
& 0.3235, 0.3241, 0.3244, 0.3245, 3*0.3246 |
527 |
` / |
528 |
|
529 |
DATA (BTIDR (I, 1, 6), I = 1, 14) |
530 |
& /0.1369, 0.1681, 0.1860, 0.1958, 0.2010, 0.2038, 0.2053, |
531 |
& 0.2060, 0.2064, 0.2066, 0.2067, 3*0.2068 |
532 |
` / |
533 |
|
534 |
DATA (BTIDR (I, 2, 6), I = 1, 14) |
535 |
& /0.1969, 0.2268, 0.2416, 0.2488, 0.2521, 0.2537, 0.2544, |
536 |
& 0.2547, 0.2548, 5*0.2549 |
537 |
` / |
538 |
|
539 |
|
540 |
DATA (BTIDR (I, 1, 7), I = 1, 14) /14*0./ |
541 |
DATA (BTIDR (I, 2, 7), I = 1, 14) /14*0./ |
542 |
|
543 |
DATA (BTIDR (I, 1, 8), I = 1, 14) /14*0./ |
544 |
DATA (BTIDR (I, 2, 8), I = 1, 14) /14*0./ |
545 |
|
546 |
DATA (BTIDR (I, 1, 9), I = 1, 14) /14*0./ |
547 |
DATA (BTIDR (I, 2, 9), I = 1, 14) /14*0./ |
548 |
|
549 |
DATA (BTIDR (I, 1, 10), I = 1, 14) /14*0./ |
550 |
DATA (BTIDR (I, 2, 10), I = 1, 14) /14*0./ |
551 |
|
552 |
C**** |
553 |
C**** -------------------------------------------------------------- |
554 |
DATA (GMIDR (I, 1, 1), I = 1, 14) |
555 |
* /0.1582, 0.2581, 0.3227, 0.3635, 0.3882, 0.4026, 0.4108, |
556 |
* 0.4154, 0.4179, 0.4193, 0.4200, 0.4204, 0.4206, 0.4207 |
557 |
` / |
558 |
DATA (GMIDR (I, 2, 1), I = 1, 14) |
559 |
* /0.1934, 0.3141, 0.3818, 0.4200, 0.4415, 0.4533, 0.4598, |
560 |
* 0.4633, 0.4651, 0.4662, 0.4667, 0.4671, 2*0.4672 |
561 |
` / |
562 |
DATA (GMIDR (I, 1, 2), I = 1, 14) |
563 |
* /0.1347, 0.1871, 0.2277, 0.2515, 0.2651, 0.2727, 0.2768, |
564 |
* 0.2790, 0.2801, 0.2808, 0.2811, 0.2812, 0.2813, 0.2814 |
565 |
` / |
566 |
DATA (GMIDR (I, 2, 2), I = 1, 14) |
567 |
* /0.1440, 0.2217, 0.2629, 0.2839, 0.2947, 0.3003, 0.3031, |
568 |
* 0.3046, 0.3054, 0.3058, 0.3060, 2*0.3061, 0.3062 |
569 |
` / |
570 |
DATA (GMIDR (I, 1, 3), I = 1, 14) |
571 |
* /0.1372, 0.2368, 0.3235, 0.3839, 0.4229, 0.4465, 0.4602, |
572 |
* 0.4679, 0.4722, 0.4745, 0.4758, 0.4764, 0.4768, 0.4770 |
573 |
` / |
574 |
DATA (GMIDR (I, 2, 3), I = 1, 14) |
575 |
* /0.1435, 0.2524, 0.3370, 0.3955, 0.4332, 0.4563, 0.4697, |
576 |
* 0.4773, 0.4815, 0.4839, 0.4851, 0.4858, 0.4861, 0.4863 |
577 |
` / |
578 |
DATA (GMIDR (I, 1, 4), I = 1, 14) |
579 |
* /0.4298, 0.9651, 1.6189, 2.4084, 3.2992, 4.1928, 4.9611, |
580 |
* 5.5095, 5.8085, 5.9069, 5.8726, 5.7674, 5.6346, 5.4944 |
581 |
` / |
582 |
DATA (GMIDR (I, 2, 4), I = 1, 14) |
583 |
* /0.4167, 0.8974, 1.4160, 1.9414, 2.4147, 2.7803, 3.0202, |
584 |
* 3.1468, 3.1954, 3.1932, 3.1676, 3.1328, 3.0958, 3.0625 |
585 |
` / |
586 |
DATA (GMIDR (I, 1, 5), I = 1, 14) |
587 |
& /0.1959, 0.3203, 0.3985, 0.4472, 0.4766, 0.4937, 0.5034, |
588 |
& 0.5088, 0.5117, 0.5134, 0.5143, 0.5147, 0.5150, 0.5152 |
589 |
` / |
590 |
|
591 |
DATA (GMIDR (I, 2, 5), I = 1, 14) |
592 |
& /0.2328, 0.3859, 0.4734, 0.5227, 0.5498, 0.5644, 0.5720, |
593 |
& 0.5761, 0.5781, 0.5792, 0.5797, 0.5800, 0.5802, 0.5802 |
594 |
` / |
595 |
|
596 |
DATA (GMIDR (I, 1, 6), I = 1, 14) |
597 |
& /0.1447, 0.2244, 0.2698, 0.2953, 0.3094, 0.3170, 0.3211, |
598 |
& 0.3233, 0.3244, 0.3250, 0.3253, 0.3255, 0.3256, 0.3256 |
599 |
` / |
600 |
|
601 |
DATA (GMIDR (I, 2, 6), I = 1, 14) |
602 |
& /0.1643, 0.2624, 0.3110, 0.3347, 0.3461, 0.3517, 0.3543, |
603 |
& 0.3556, 0.3562, 0.3564, 0.3565, 0.3566, 0.3566, 0.3566 |
604 |
` / |
605 |
|
606 |
DATA (GMIDR (I, 1, 7), I = 1, 14) /14*1./ |
607 |
DATA (GMIDR (I, 2, 7), I = 1, 14) /14*1./ |
608 |
|
609 |
DATA (GMIDR (I, 1, 8), I = 1, 14) /14*1./ |
610 |
DATA (GMIDR (I, 2, 8), I = 1, 14) /14*1./ |
611 |
|
612 |
DATA (GMIDR (I, 1, 9), I = 1, 14) /14*1./ |
613 |
DATA (GMIDR (I, 2, 9), I = 1, 14) /14*1./ |
614 |
|
615 |
DATA (GMIDR (I, 1, 10), I = 1, 14) /14*1./ |
616 |
DATA (GMIDR (I, 2, 10), I = 1, 14) /14*1./ |
617 |
|
618 |
|
619 |
C**** ----------------------------------------------------------- |
620 |
|
621 |
DATA GRN /0.33, 0.67/ |
622 |
|
623 |
include 'snwmid.h' |
624 |
DATA SNWALB /.65, .38, .65, .38, |
625 |
* .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 |
& .80, .60, .80, .60, |
633 |
& .65, .38, .65, .38 |
634 |
` / |
635 |
|
636 |
#if CRAY |
637 |
#if f77 |
638 |
cfpp$ expand (coeff) |
639 |
#endif |
640 |
#endif |
641 |
|
642 |
DO 100 I=1,IRUN |
643 |
ALA = MIN (MAX (ZERO, VLAI(I)), ALATRM) |
644 |
LAI = 1 + MAX(0, INT((ALA-BLAI)/DLAI) ) |
645 |
DX = (ALA - (BLAI+(LAI-1)*DLAI)) * (ONE/DLAI) |
646 |
DY = (VGRN(I)- GRN(1)) * (ONE/(GRN(2) - GRN(1))) |
647 |
|
648 |
ALPHA = COEFF (ALVDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
649 |
BETA = COEFF (BTVDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
650 |
GAMMA = COEFF (GMVDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
651 |
|
652 |
AVISDR(I) = ALPHA - ZTH(I)*BETA / (GAMMA+ZTH(I)) |
653 |
AVISDF(I) = ALPHA-BETA |
654 |
* + 2.*BETA*GAMMA*(1.-GAMMA*LOG((1.+GAMMA)/GAMMA)) |
655 |
|
656 |
ALPHA = COEFF (ALIDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
657 |
BETA = COEFF (BTIDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
658 |
GAMMA = COEFF (GMIDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
659 |
|
660 |
ANIRDR(I) = ALPHA - ZTH(I)*BETA / (GAMMA+ZTH(I)) |
661 |
ANIRDF(I) = ALPHA-BETA |
662 |
* + 2.*BETA*GAMMA*(1.-GAMMA*LOG((1.+GAMMA)/GAMMA)) |
663 |
|
664 |
IF (SNW (I) .GT. ZERO) THEN |
665 |
FAC = SNW(I) / (SNW(I) + SNWMID(ITYP(I))) |
666 |
|
667 |
AVISDR(I) = AVISDR(I) + (SNWALB(1,ITYP(I)) - AVISDR(I)) * FAC |
668 |
ANIRDR(I) = ANIRDR(I) + (SNWALB(2,ITYP(I)) - ANIRDR(I)) * FAC |
669 |
AVISDF(I) = AVISDF(I) + (SNWALB(3,ITYP(I)) - AVISDF(I)) * FAC |
670 |
ANIRDF(I) = ANIRDF(I) + (SNWALB(4,ITYP(I)) - ANIRDF(I)) * FAC |
671 |
ENDIF |
672 |
|
673 |
100 CONTINUE |
674 |
|
675 |
RETURN |
676 |
END |
677 |
FUNCTION COEFF(TABLE, NTABL, LAI ,DX, DY) |
678 |
#include "CPP_EEOPTIONS.h" |
679 |
|
680 |
INTEGER NTABL, LAI |
681 |
|
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,nSx,nSy,bi,bj, |
693 |
. ALAI,AGRN) |
694 |
C********************************************************************* |
695 |
implicit none |
696 |
#include "CPP_EEOPTIONS.h" |
697 |
|
698 |
integer ntyps |
699 |
_RL one,daylen |
700 |
PARAMETER (NTYPS=10) |
701 |
parameter (one = 1.) |
702 |
parameter (daylen = 86400.) |
703 |
|
704 |
integer sec, imon, iday, nchps, nSx, nSy, bi, bj |
705 |
_RL ALAI(NCHPS,nSx,nSy), AGRN(NCHPS,nSx,nSy) |
706 |
_RL ALAT(NCHPS) |
707 |
integer ITYP(NCHPS,nSx,nSy) |
708 |
|
709 |
integer i,midmon,midm,midp,id,k1,k2,kk1,kk2 |
710 |
_RL fac |
711 |
|
712 |
INTEGER DAYS(12) |
713 |
DATA DAYS/31,28,31,30,31,30,31,31,30,31,30,31/ |
714 |
|
715 |
_RL VGLA(12,NTYPS), VGGR(12,NTYPS) |
716 |
|
717 |
DATA VGLA / |
718 |
1 5.117, 5.117, 5.117, 5.117, 5.117, 5.117, 5.117, 5.117, |
719 |
1 5.117, 5.117, 5.117, 5.117, |
720 |
2 0.520, 0.520, 0.867, 2.107, 4.507, 6.773, 7.173, 6.507, |
721 |
2 5.040, 2.173, 0.867, 0.520, |
722 |
3 8.760, 9.160, 9.827,10.093,10.360,10.760,10.493,10.227, |
723 |
3 10.093, 9.827, 9.160, 8.760, |
724 |
4 0.782, 0.893, 1.004, 1.116, 1.782, 3.671, 4.782, 4.227, |
725 |
4 2.004, 1.227, 1.004, 0.893, |
726 |
5 3.760, 3.760, 2.760, 1.760, 1.760, 1.760, 1.760, 5.760, |
727 |
5 10.760, 7.760, 4.760, 3.760, |
728 |
6 0.739, 0.739, 0.739, 0.739, 0.739, 1.072, 5.072, 5.739, |
729 |
6 4.405, 0.739, 0.739, 0.739, |
730 |
7 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
731 |
7 0.001, 0.001, 0.001, 0.001, |
732 |
8 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
733 |
8 0.001, 0.001, 0.001, 0.001, |
734 |
9 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
735 |
9 0.001, 0.001, 0.001, 0.001, |
736 |
1 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
737 |
1 0.001, 0.001, 0.001, 0.001 |
738 |
& / |
739 |
|
740 |
|
741 |
DATA VGGR |
742 |
1 /0.905, 0.905, 0.905, 0.905, 0.905, 0.905, 0.905, 0.905, |
743 |
1 0.905, 0.905, 0.905, 0.905, |
744 |
2 0.026, 0.026, 0.415, 0.759, 0.888, 0.925, 0.836, 0.697, |
745 |
2 0.331, 0.166, 0.015, 0.026, |
746 |
3 0.913, 0.917, 0.923, 0.925, 0.927, 0.905, 0.902, 0.913, |
747 |
3 0.898, 0.855, 0.873, 0.913, |
748 |
4 0.568, 0.622, 0.664, 0.697, 0.810, 0.908, 0.813, 0.394, |
749 |
4 0.443, 0.543, 0.553, 0.498, |
750 |
5 0.798, 0.532, 0.362, 0.568, 0.568, 0.568, 0.568, 0.868, |
751 |
5 0.651, 0.515, 0.630, 0.798, |
752 |
6 0.451, 0.451, 0.451, 0.451, 0.451, 0.622, 0.920, 0.697, |
753 |
6 0.076, 0.451, 0.451, 0.451, |
754 |
7 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
755 |
7 0.001, 0.001, 0.001, 0.001, |
756 |
8 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
757 |
8 0.001, 0.001, 0.001, 0.001, |
758 |
9 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
759 |
9 0.001, 0.001, 0.001, 0.001, |
760 |
1 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
761 |
1 0.001, 0.001, 0.001, 0.001 |
762 |
& / |
763 |
|
764 |
|
765 |
MIDMON = DAYS(IMON)/2 + 1 |
766 |
|
767 |
|
768 |
IF (IDAY .LT. MIDMON) THEN |
769 |
K2 = IMON |
770 |
K1 = MOD(IMON+10,12) + 1 |
771 |
ELSE |
772 |
K1 = IMON |
773 |
K2 = MOD(IMON,12) + 1 |
774 |
ENDIF |
775 |
|
776 |
IF (IDAY .LT. MIDMON) THEN |
777 |
MIDM = DAYS(K1)/2 + 1 |
778 |
MIDP = DAYS(K1) + MIDMON |
779 |
ID = IDAY + DAYS(K1) |
780 |
ELSE |
781 |
MIDM = MIDMON |
782 |
MIDP = DAYS(K2)/2 + 1 + DAYS(K1) |
783 |
ID = IDAY |
784 |
ENDIF |
785 |
|
786 |
FAC = (float(ID -MIDM)*DAYLEN + SEC) / |
787 |
* (float(MIDP-MIDM)*DAYLEN ) |
788 |
|
789 |
DO 220 I=1,NCHPS |
790 |
|
791 |
IF(ALAT(I).GT.0.) THEN |
792 |
KK1 = K1 |
793 |
KK2 = K2 |
794 |
ELSE |
795 |
KK1 = MOD(K1+5,12) + 1 |
796 |
KK2 = MOD(K2+5,12) + 1 |
797 |
ENDIF |
798 |
|
799 |
ALAI(I,bi,bj) = VGLA(KK2,ITYP(I,bi,bj))*FAC+ |
800 |
. VGLA(KK1,ITYP(I,bi,bj))*(ONE-FAC) |
801 |
AGRN(I,bi,bj) = VGGR(KK2,ITYP(I,bi,bj))*FAC+ |
802 |
. VGGR(KK1,ITYP(I,bi,bj))*(ONE-FAC) |
803 |
|
804 |
220 CONTINUE |
805 |
|
806 |
RETURN |
807 |
END |
808 |
|
809 |
subroutine getalb(sec,month,day,cosz,snodep,fraci,fracg,im,jm, |
810 |
. nchp,nchpland,nSx,nSy,bi,bj,igrd,ityp,chfr,chlt, |
811 |
. alai,agrn,albvr,albvf,albnr,albnf) |
812 |
C*********************************************************************** |
813 |
C PURPOSE |
814 |
C To act as an interface to routine sibalb, which calculates |
815 |
C the four albedos for use by the shortwave radiation routine |
816 |
C |
817 |
C INPUT: |
818 |
C sec - number of seconds into the day of current time |
819 |
C month - month of the year of current time |
820 |
C day - day of the month of current time |
821 |
C cosz - local cosine of the zenith angle [im,jm] |
822 |
C snodep - snow cover in meters [nchp,nSx,nSy] |
823 |
C fraci - real array in grid space of total sea ice fraction [im,jm] |
824 |
C fracg - real array in grid space of total land fraction [im,jm] |
825 |
C im - model grid longitude dimension |
826 |
C jm - model grid latitude dimension (number of lat. points) |
827 |
C nchp - integer actual number of tiles in tile space |
828 |
C nchpland - integer number of land tiles |
829 |
C nSx - number of processors in x-direction |
830 |
C nSy - number of processors in y-direction |
831 |
C bi - processors index in x-direction |
832 |
C bj - processors index in y-direction |
833 |
C igrd - integer array in tile space of grid point number for each |
834 |
C tile [nchp,nSx,nSy] |
835 |
C ityp - integer array in tile space of land surface type for each |
836 |
C tile [nchp,nSx,nSy] |
837 |
C chfr - real array in tile space of land surface type fraction for |
838 |
C each tile [nchp,nSx,nSy] |
839 |
C chlt - real array in tile space of latitude value for each tile |
840 |
C [nchp,nSx,nSy] |
841 |
C |
842 |
C OUTPUT: |
843 |
C albvr - real array [im,jm] of visible direct beam albedo |
844 |
C albvf - real array [im,jm] of visible diffuse beam albedo |
845 |
C albnr - real array [im,jm] of near-ir direct beam albedo |
846 |
C albnf - real array [im,jm] of near-ir diffuse beam albedo |
847 |
C |
848 |
C*********************************************************************** |
849 |
implicit none |
850 |
#include "CPP_EEOPTIONS.h" |
851 |
|
852 |
integer sec,month,day,im,jm,nchp,nchpland,nSx,nSy,bi,bj |
853 |
_RL cosz(im,jm),fraci(im,jm),fracg(im,jm) |
854 |
_RL snodep(nchp,nSx,nSy),chfr(nchp,nSx,nSy),chlt(nchp,nSx,nSy) |
855 |
integer igrd(nchp,nSx,nSy),ityp(nchp,nSx,nSy) |
856 |
_RL alai(nchp,nSx,nSy),agrn(nchp,nSx,nSy) |
857 |
_RL albvr(im,jm,nSx,nSy),albvf(im,jm,nSx,nSy) |
858 |
_RL albnr(im,jm,nSx,nSy),albnf(im,jm,nSx,nSy) |
859 |
|
860 |
_RL one,a0,a1,a2,a3,ocnalb,albsi |
861 |
PARAMETER (one = 1.) |
862 |
PARAMETER (A0= 0.40670980) |
863 |
PARAMETER (A1=-1.2523634 ) |
864 |
PARAMETER (A2= 1.4224051 ) |
865 |
PARAMETER (A3=-0.55573341) |
866 |
PARAMETER (OCNALB=0.08) |
867 |
PARAMETER (ALBSI=0.7) |
868 |
|
869 |
_RL alboc(im,jm) |
870 |
_RL AVISDR(nchp),ANIRDR(nchp),AVISDF(nchp) |
871 |
_RL ANIRDF(nchp),zenith(nchp) |
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) = ALBSI * FRACI(I,J) + ALBOC(I,J) * (ONE-FRACI(I,J)) |
878 |
ALBNR(I,J) = ALBVR(I,J) |
879 |
ALBVF(I,J) = ALBSI * FRACI(I,J) + OCNALB * (ONE-FRACI(I,J)) |
880 |
ALBNF(I,J) = ALBVF(I,J) |
881 |
ENDDO |
882 |
ENDDO |
883 |
|
884 |
|
885 |
C and now some conversions from grid space to tile space before sibalb |
886 |
|
887 |
call grd2msc(cosz,im,jm,igrd,zenith,nchp,nchpland) |
888 |
|
889 |
C and now call sibalb |
890 |
|
891 |
call sibalb(avisdr,anirdr,avisdf,anirdf,alai(1,bi,bj), |
892 |
. agrn(1,bi,bj),zenith,snodep(1,bi,bj),ityp(1,bi,bj),nchpland) |
893 |
|
894 |
C finally some transformations back to grid space for albedos |
895 |
|
896 |
call msc2grd(igrd(1,bi,bj),chfr(1,bi,bj),avisdr,nchp,nchpland, |
897 |
. fracg,albvr(1,bi,bj),im,jm) |
898 |
call msc2grd(igrd(1,bi,bj),chfr(1,bi,bj),avisdf,nchp,nchpland, |
899 |
. fracg,albvf(1,bi,bj),im,jm) |
900 |
call msc2grd(igrd(1,bi,bj),chfr(1,bi,bj),anirdr,nchp,nchpland, |
901 |
. fracg,albnr(1,bi,bj),im,jm) |
902 |
call msc2grd(igrd(1,bi,bj),chfr(1,bi,bj),anirdf,nchp,nchpland, |
903 |
. fracg,albnf(1,bi,bj),im,jm) |
904 |
|
905 |
return |
906 |
end |
907 |
|
908 |
subroutine getemiss(fracg,im,jm,nchp,nSx,nSy,bi,bj,igrd,ityp, |
909 |
. chfr,snowdep,fraci,emiss) |
910 |
C*********************************************************************** |
911 |
C PURPOSE |
912 |
C To act as an interface to routine to emissivity, which calculates |
913 |
C ten bands of surface emissivities for use by the longwave radiation |
914 |
C |
915 |
C INPUT: |
916 |
C fracg - real array in grid space of total land fraction [im,jm] |
917 |
C im - model grid longitude dimension |
918 |
C jm - model grid latitude dimension (number of lat. points) |
919 |
C nchp - integer actual number of tiles in tile space |
920 |
C nSx - number of processors in x-direction |
921 |
C nSy - number of processors in y-direction |
922 |
C bi - processors index in x-direction |
923 |
C bj - processors index in y-direction |
924 |
C igrd - integer array in tile space of grid point number for each |
925 |
C tile [nchp] |
926 |
C ityp - integer array in tile space of land surface type for each |
927 |
C tile [nchp] |
928 |
C chfr - real array in tile space of land surface type fraction for |
929 |
C each tile [nchp] |
930 |
C snowdep - real array in tile space of snow depth (liquid water equiv) |
931 |
C in mm [nchp] |
932 |
C fraci - real array in tile space of sea ice fraction [nchp] |
933 |
C |
934 |
C OUTPUT: |
935 |
C emiss - real array [im,jm,10,nSx,nSy] - surface emissivity (frac) |
936 |
C |
937 |
C*********************************************************************** |
938 |
implicit none |
939 |
#include "CPP_EEOPTIONS.h" |
940 |
integer im,jm,nchp,nSx,nSy,bi,bj |
941 |
_RL fracg(im,jm) |
942 |
_RL chfr(nchp,nSx,nSy) |
943 |
integer igrd(nchp,nSx,nSy), ityp(nchp,nSx,nSy) |
944 |
_RL snowdep(nchp,nSx,nSy),fraci(nchp) |
945 |
_RL emiss(im,jm,10,nSx,nSy) |
946 |
|
947 |
_RL emisstile(nchp,10) |
948 |
integer i,j,k,n |
949 |
|
950 |
do i = 1,10 |
951 |
do n = 1,nchp |
952 |
emisstile(n,i) = 1. |
953 |
enddo |
954 |
enddo |
955 |
|
956 |
c call emissivity to get values in tile space |
957 |
c ------------------------------------------- |
958 |
call emissivity(snowdep(1,bi,bj),fraci,nchp,ityp(1,bi,bj), |
959 |
. emisstile) |
960 |
|
961 |
c transform back to grid space for emissivities |
962 |
c --------------------------------------------- |
963 |
do k = 1,10 |
964 |
do j = 1,jm |
965 |
do i = 1,im |
966 |
emiss(i,j,k) = 0.0 |
967 |
enddo |
968 |
enddo |
969 |
call msc2grd(igrd(1,bi,bj),chfr(1,bi,bj),emisstile(1,k),nchp,nchp, |
970 |
. fracg,emiss(1,1,k,bi,bj),im,jm) |
971 |
enddo |
972 |
|
973 |
return |
974 |
end |
975 |
|
976 |
subroutine emissivity (snowdepth,fraci,numpts,ityp,newemis) |
977 |
implicit none |
978 |
#include "CPP_EEOPTIONS.h" |
979 |
integer numpts |
980 |
integer ityp(numpts) |
981 |
_RL snowdepth(numpts),fraci(numpts) |
982 |
_RL newemis(numpts,10) |
983 |
|
984 |
_RL emis(12,11) |
985 |
_RL snwmid(10) |
986 |
_RL fac |
987 |
integer i,j |
988 |
|
989 |
c----------------------------------------------------------------------- |
990 |
c NOTE: Emissivities were obtained for the following surface types: |
991 |
c ( 1) evergreen needleleaf = conifer |
992 |
c ( 2) evergreen broadleaf = conifer |
993 |
c ( 3) deciduous needleleaf = deciduous |
994 |
c ( 4) deciduous broadleaf = deciduous |
995 |
c ( 5) mixed forests = 1/2 conifer + 1/2 deciduous = tree |
996 |
c ( 6) closed shrublands = 3/4 tree + 1/4 quartz |
997 |
c ( 7) open shrubland = 1/4 tree + 3/4 quartz |
998 |
c ( 8) woody savannas = grass |
999 |
c ( 9) savannas = grass |
1000 |
c (10) grasslands = grass |
1001 |
c (11) permanent wetlands = 1/2 grass + 1/2 water |
1002 |
c (12) croplands = grass |
1003 |
c (13) urban = black body |
1004 |
c (14) mosaic = 1/2 grass + 1/2 mixed forest |
1005 |
c (15) snow/ice |
1006 |
c (16) barren/sparsely vegetated = desert(quartz) |
1007 |
c (17) water |
1008 |
c (18) tundra = frost |
1009 |
c |
1010 |
c NOTE: Translation to Koster-Suarez surface types was as follows: |
1011 |
c ( 1) broadleaf evergreen FROM above type 1 (conifer) |
1012 |
c ( 2) broadleaf deciduous FROM above type 2 (deciduous) |
1013 |
c ( 3) needleleaf evergreen FROM above type 1 (conifer) |
1014 |
c ( 4) groundcover FROM above type 10 (grass) |
1015 |
c ( 5) broadleaf shrubs FROM above type 6 (closed shrublands) |
1016 |
c ( 6) dwarf trees (tundra) FROM above type 18 (tundra) |
1017 |
c ( 7) bare soil FROM above type 16 (desert) |
1018 |
c ( 8) light desert FROM above type 16 (desert) |
1019 |
c ( 9) glacier FROM above type 15 (snow/ice) |
1020 |
c ( 10) dark desert FROM above type 16 (desert) |
1021 |
c (100) ocean FROM above type 17 (water) |
1022 |
c |
1023 |
c NOTE: snow-covered ground uses interpolated emissivities based on snow depth |
1024 |
c ============================================================================= |
1025 |
c ----------------------------------------------------------------------------- |
1026 |
c Emmissivities for 12 bands in Fu/Liou |
1027 |
c band 1: 4.5 - 5.3 um |
1028 |
c band 2: 5.3 - 5.9 um |
1029 |
c band 3: 5.9 - 7.1 um |
1030 |
c band 4: 7.1 - 8.0 um |
1031 |
c band 5: 8.0 - 9.1 um |
1032 |
c band 6: 9.1 - 10.2 um |
1033 |
c band 7: 10.2 - 12.5 um |
1034 |
c band 8: 12.5 - 14.9 um |
1035 |
c band 9: 14.9 - 18.5 um |
1036 |
c band 10: 18.5 - 25.0 um |
1037 |
c band 11: 25.0 - 35.7 um |
1038 |
c band 12: 35.7 - oo um |
1039 |
c |
1040 |
c------------------------------------------------------------------------- |
1041 |
data ((emis(i,j),i=1,12),j=1,11) / |
1042 |
C evergreen needleleaf |
1043 |
& 0.9891, 0.9892, 0.9900, 0.9914, 0.9908, 0.9903, |
1044 |
& 0.9898, 0.9948, 1.0000, 1.0000, 1.0000, 1.0000, |
1045 |
C deciduous needleleaf |
1046 |
& 0.9849, 0.9856, 0.9841, 0.9831, 0.9789, 0.9805, |
1047 |
& 0.9733, 0.9869, 1.0000, 1.0000, 1.0000, 1.0000, |
1048 |
C evergreen needleleaf |
1049 |
& 0.9891, 0.9892, 0.9900, 0.9914, 0.9908, 0.9903, |
1050 |
& 0.9898, 0.9948, 1.0000, 1.0000, 1.0000, 1.0000, |
1051 |
C grasslands |
1052 |
& 0.9867, 0.9897, 0.9920, 0.9933, 0.9830, 0.9752, |
1053 |
& 0.9853, 0.9928, 1.0000, 1.0000, 1.0000, 1.0000, |
1054 |
C closed shrublands |
1055 |
& 0.9490, 0.9697, 0.9738, 0.9712, 0.9474, 0.9582, |
1056 |
& 0.9663, 0.9747, 0.9836, 0.9836, 0.9836, 0.9836, |
1057 |
C tundra |
1058 |
& 0.9469, 0.9670, 0.9883, 0.9795, 0.9751, 0.9767, |
1059 |
& 0.9920, 0.9888, 0.9888, 0.9888, 0.9888, 0.9888, |
1060 |
C barren |
1061 |
& 0.8353, 0.9163, 0.9342, 0.9229, 0.8354, 0.8766, |
1062 |
& 0.9210, 0.9262, 0.9345, 0.9345, 0.9345, 0.9345, |
1063 |
C barren |
1064 |
& 0.8353, 0.9163, 0.9342, 0.9229, 0.8354, 0.8766, |
1065 |
& 0.9210, 0.9262, 0.9345, 0.9345, 0.9345, 0.9345, |
1066 |
C snow/ice |
1067 |
& 0.9998, 0.9998, 0.9998, 0.9998, 0.9998, 0.9999, |
1068 |
& 0.9997, 0.9994, 0.9995, 0.9995, 0.9995, 0.9995, |
1069 |
C barren |
1070 |
& 0.8353, 0.9163, 0.9342, 0.9229, 0.8354, 0.8766, |
1071 |
& 0.9210, 0.9262, 0.9345, 0.9345, 0.9345, 0.9345, |
1072 |
C water |
1073 |
& 0.9788, 0.9833, 0.9819, 0.9820, 0.9835, 0.9865, |
1074 |
& 0.9886, 0.9719, 0.9719, 0.9719, 0.9719, 0.9719/ |
1075 |
|
1076 |
include 'snwmid.h' |
1077 |
|
1078 |
c Convert to the 10 bands needed by Chou Radiation |
1079 |
c ------------------------------------------------ |
1080 |
do i=1,numpts |
1081 |
|
1082 |
c land points |
1083 |
c------------ |
1084 |
if(ityp(i).le.10)then |
1085 |
newemis(i, 1) = (emis( 1,ityp(i))+emis(2,ityp(i)))/2. |
1086 |
newemis(i, 2) = (emis( 2,ityp(i))+emis(3,ityp(i)))/2. |
1087 |
newemis(i, 3) = (emis( 4,ityp(i))+emis(5,ityp(i)))/2. |
1088 |
newemis(i, 4) = emis( 6,ityp(i)) |
1089 |
newemis(i, 5) = emis( 7,ityp(i)) |
1090 |
newemis(i, 6) = emis( 8,ityp(i)) |
1091 |
newemis(i, 7) = emis( 9,ityp(i)) |
1092 |
newemis(i, 8) = (emis(10,ityp(i))+emis(11,ityp(i)))/2. |
1093 |
newemis(i, 9) = emis(12,ityp(i)) |
1094 |
newemis(i,10) = emis( 4,ityp(i)) |
1095 |
|
1096 |
c modify emissivity for snow based on snow depth (like albedo) |
1097 |
c------------------------------------------------------------- |
1098 |
if(snowdepth (i).gt.0.) then |
1099 |
fac = snowdepth(i) / (snowdepth(i) + snwmid(ityp(i))) |
1100 |
newemis(i, 1) = newemis(i, 1) + (((emis( 1,9)+emis( 2,9))/2.) |
1101 |
. - newemis(i, 1)) * fac |
1102 |
newemis(i, 2) = newemis(i, 2) + (((emis( 2,9)+emis( 3,9))/2.) |
1103 |
. - newemis(i, 2)) * fac |
1104 |
newemis(i, 3) = newemis(i, 3) + (((emis( 4,9)+emis( 5,9))/2.) |
1105 |
. - newemis(i, 3)) * fac |
1106 |
newemis(i, 4) = newemis(i, 4) + (emis( 6,9) |
1107 |
. - newemis(i, 4)) * fac |
1108 |
newemis(i, 5) = newemis(i, 5) + (emis( 7,9) |
1109 |
. - newemis(i, 5)) * fac |
1110 |
newemis(i, 6) = newemis(i, 6) + (emis( 8,9) |
1111 |
. - newemis(i, 6)) * fac |
1112 |
newemis(i, 7) = newemis(i, 7) + (emis( 9,9) |
1113 |
. - newemis(i, 7)) * fac |
1114 |
newemis(i, 8) = newemis(i, 8) + (((emis(10,9)+emis(11,9))/2.) |
1115 |
. - newemis(i, 8)) * fac |
1116 |
newemis(i, 9) = newemis(i, 9) + (emis(12,9) |
1117 |
. - newemis(i, 9)) * fac |
1118 |
newemis(i,10) = newemis(i,10) + (emis( 4,9) |
1119 |
. - newemis(i,10)) * fac |
1120 |
endif |
1121 |
|
1122 |
c open water |
1123 |
c----------- |
1124 |
else |
1125 |
if(fraci(i).eq.0.)then |
1126 |
newemis(i, 1) = (emis( 1,11)+emis(2,11))/2. |
1127 |
newemis(i, 2) = (emis( 2,11)+emis(3,11))/2. |
1128 |
newemis(i, 3) = (emis( 4,11)+emis(5,11))/2. |
1129 |
newemis(i, 4) = emis( 6,11) |
1130 |
newemis(i, 5) = emis( 7,11) |
1131 |
newemis(i, 6) = emis( 8,11) |
1132 |
newemis(i, 7) = emis( 9,11) |
1133 |
newemis(i, 8) = (emis(10,11)+emis(11,11))/2. |
1134 |
newemis(i, 9) = emis(12,11) |
1135 |
newemis(i,10) = emis( 4,11) |
1136 |
|
1137 |
c sea ice (like glacier and snow) |
1138 |
c-------------------------------- |
1139 |
else |
1140 |
newemis(i, 1) = (emis( 1,9)+emis(2,9))/2. |
1141 |
newemis(i, 2) = (emis( 2,9)+emis(3,9))/2. |
1142 |
newemis(i, 3) = (emis( 4,9)+emis(5,9))/2. |
1143 |
newemis(i, 4) = emis( 6,9) |
1144 |
newemis(i, 5) = emis( 7,9) |
1145 |
newemis(i, 6) = emis( 8,9) |
1146 |
newemis(i, 7) = emis( 9,9) |
1147 |
newemis(i, 8) = (emis(10,9)+emis(11,9))/2. |
1148 |
newemis(i, 9) = emis(12,9) |
1149 |
newemis(i,10) = emis( 4,9) |
1150 |
endif |
1151 |
endif |
1152 |
enddo |
1153 |
|
1154 |
return |
1155 |
end |
1156 |
subroutine get_landfrac(im,jm,nSx,nSy,bi,bj,maxtyp,surftype, |
1157 |
. tilefrac,frac) |
1158 |
C*********************************************************************** |
1159 |
C Purpose |
1160 |
C To compute the total fraction of land within a model grid-box |
1161 |
C |
1162 |
C*********************************************************************** |
1163 |
implicit none |
1164 |
#include "CPP_EEOPTIONS.h" |
1165 |
|
1166 |
integer i,j,nSx,nSy,bi,bj,maxtyp |
1167 |
integer surftype(im,jm,nSx,nSy) |
1168 |
_RL surftype(im,jm,nSx,nSy) |
1169 |
_RL frac(im,jm) |
1170 |
|
1171 |
integer i,j,k |
1172 |
|
1173 |
do j=1,jm |
1174 |
do i=1,im |
1175 |
frac(i,j) = 0.0 |
1176 |
enddo |
1177 |
enddo |
1178 |
|
1179 |
do k=1,maxtyp |
1180 |
do j=1,jm |
1181 |
do i=1,im |
1182 |
if(surftype(i,j,k,bi,bj).lt.100.and. |
1183 |
tilefrac(i,j,k,bi,bj).gt.0.0)then |
1184 |
frac(i,j) = frac(i,j) + tilefrac(i,j,k,bi,bj) |
1185 |
endif |
1186 |
enddo |
1187 |
enddo |
1188 |
enddo |
1189 |
|
1190 |
return |
1191 |
end |