!-------------------------------------- LICENCE BEGIN ------------------------------------
!Environment Canada - Atmospheric Science and Technology License/Disclaimer, 
!                     version 3; Last Modified: May 7, 2008.
!This is free but copyrighted software; you can use/redistribute/modify it under the terms 
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***S/P AGGVEG
*

      SUBROUTINE AGVGCLAS( FRACT, TABLE, VGTYPE, AGGF, NI, NC, NCLASS) 14
*
*
#include "impnone.cdk"
*
*
      INTEGER NI, NC, NCLASS,  VGTYPE(NCLASS)
      REAL AGGF(NI,NC), FRACT(NI,NCLASS), TABLE(NCLASS)
*
*
*Author
*        Yves Delage
*Revision
*
*Object
*        Aggregation of parameters for CLASS that depend on the vegetation
*        fraction masks.
*
*
*Arguments
*
*            - Input -
* FRACT      Fraction of vegetation (masks)
* TABLE      Geophysical field value for each type of vegetation 
*
*            - Output -
* AGGF       Aggretated geophysical field representative of an entire
*            grid area
*
*            - Input -
* NI         Horizontal dimension
* NC         Number of vegetation classes in CLASS
* NCLASS     Number of landuse classes
*
*
#include "surfacepar.cdk"
*
*
      INTEGER I,J,M
*
      REAL totfract
*
*
      do j=1,nc
         DO i=1,ni
           aggf(i,j) = 0.0
         END DO
*
*
         DO i=1,ni
           totfract= 0.
           DO m=4,nclass
             if(vgtype(m).eq.j) totfract = totfract + fract(i,m)
           END DO
           IF (totfract.GE.critmask) THEN
              DO m=4,nclass
                if(vgtype(m).eq.j) aggf(i,j) = aggf(i,j) 
     1              + fract(i,m) * table(m)
              END DO
              aggf(i,j) = aggf(i,j) / totfract
           END IF
         END DO
      end do
*
*
*
      RETURN
      END