!-----------------------------------------------------------------------
&nam_geom     !  Characteristics of the sediment columns
!-----------------------------------------------------------------------
  jpksed  = 18         ! Number of vertical layers
  sedzmin = 0.1        ! Minimum vertical spacing
  sedhmax = 15.0       ! Maximum depth of the sediment
  sedkth  = 9.0        ! Default parameters
  sedacr  = 2.0        ! Default parameters
  porsurf = 0.9        ! Sediment porosity at the surface
  porinf  = 0.75       ! Sediment porosity at infinite depth
  rhox    = 0.25       ! Length scale of porosity variation (cm)
/