c     ------------------------------------------------------------------
c     file 's1agg.inc'

c     This common block contains the variables representing the soil
c     aggregate properties for each soil layer.

c     Parameter include files:  p1werm.inc

c     + + + VARIABLE DECLARATIONS + + +

      real             asdagd(0:mnsz, mnsub)
      real             aseags(0:mnsz, mnsub)
      real             aslagm(0:mnsz, mnsub)
      real             aslagn(0:mnsz, mnsub)
      real             aslagx(0:mnsz, mnsub)
      real             as0ags(0:mnsz, mnsub)

      common / s1agg /
     r                 asdagd, aseags, aslagm, aslagn, aslagx, as0ags

c     + + + VARIABLE DEFINITIONS + + +

c     asdagd - Soil layer aggregate density (Mg/m^3)

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

c            - This variable contains the aggregate density in the
c              soil layers for each of the subregions.

c     aseags - Soil layer dry aggregate stability (J/m^2)

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

c            - This variable contains the dry aggregate stability in
c              the soil layers for each of the subregions.

c     aslagm - Soil layer aggregate size geometric mean dia. (mm)

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

c            - This variable contains the value of the geometric mean
c              diameter parameter describing the aggregate size
c              distribution in the soil layers for each of the
c              subregions.

c     aslagn - Minimum aggregate size (mm)

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

c            - This variable contains the value of the minimum
c              aggregate size diameter in the soil layers for
c              each of the subregions.

c     aslagx - Maximum aggregate size (mm)

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

c            - This variable contains the value of the maximum
c              aggregate size diameter in the soil layers for
c              each of the subregions.

c     as0ags - Soil layer aggregate size geometric standard dev. (mm)

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

c            - This variable contains the value of the geometric mean
c              standard deviation parameter describing the aggregate
c              size distribution in the soil layers for each of the
c              subregions.

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