c     ------------------------------------------------------------------
c     file 's1psd.inc'
c
c     This common block contains the variables representing the soil
c     particle distribution parameters for each soil layer.
c
c     Parameter include files:  p1werm.inc
c
c     + + + VARIABLE DECLARATIONS + + +
c
      real             aslsgm(mnsz, mnsub)
      real             as0sgs(mnsz, mnsub)
c
c     + + + VARIABLE DEFINITIONS + + +
c
      common / s1psd /
     r                 aslsgm, as0sgs
c
c     aslsgm - Soil layer particle geometric mean dia. (mm)
c
c              range values       min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains the value of the geometric mean
c              diameter parameter describing the particle size
c              distribution in the soil layers for each of the
c              subregions.
c
c     as0sgs - Soil layer particle size geometric standard dev. (mm)
c
c              range values       min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains the value of the geometric mean
c              standard deviation parameter describing the particle
c              size distribution in the soil layers for each of the
c              subregions.
c
c     ------------------------------------------------------------------