c     ------------------------------------------------------------------

c     file 'b1geom.inc'

c     This common block contains variables representing the crop
c     database properties for each subregion.  These variables
c     are used to estimate crop geometric properties.

c     + + + VARIABLE DECLARATIONS + + +

      real             abrsai(mnsub)
      real             abrlai(mnsub)
      real             abrsaz(mncz,mnsub)
      real             abrlaz(mncz,mnsub)
      real             abffcv(mnsub)
      real             abfscv(mnsub)
      real             abftcv(mnsub)

      common/b1geom/
     r abrsai, abrlai, abrsaz, abrlaz, abffcv, abfscv,
     r abftcv

c     + + + VARIABLE DEFINITIONS + + +

c     abrsai - Crop stem area index (m^2/m^2)

c              range values      min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------

c            - This variable contains the daily crop stem area index
c              for each of the subregions.

c     abrlai - Crop leaf area index (m^2/m^2)

c              range values      min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------

c            - This variable contains the crop leaf area index
c              for each of the subregions.

c     abrsaz - Crop stem area index by height (1/m)

c              range values      min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------

c            - This variable contains the stem area index by height
c              for each of the subregions.

c     abrlaz - Crop leaf area index by height (1/m)

c              range values      min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------

c            - This variable contains the leaf area index by height
c              for each of the subregions.
c
c     abffcv - Crop biomass cover - flat  (m^2/m^2)

c              range values      min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------

c            - This variable contains the flat biomass cover for
c              each of the subregions.

c     abfscv - Crop biomass cover - standing  (m^2/m^2)

c              range values      min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------

c            - This variable contains the standing biomass cover for
c              each of the subregions.

c     abftcv - Crop biomass cover - total  (m^2/m^2)

c              range values      min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------

c            - This variable contains the total biomass cover for
c              each of the subregions.

c     ------------------------------------------------------------------