GISTAR software and routines include:

  1. PEM4PIT–  Physically based method for pit filling. The software includes a collection of tools for DEM preprocessing: flat area removal
    flow direction methods (D8, Dinf, LTD, etc.), river network extraction, flow time characterization
  2. FLOODPLAIN– Hydrological procedure for automatic floodplain extraction
  3. WFIUH– Rainfal-Runoff model (Width Function Instantaneous Unit Hydrograph)
    Follow the links above and the menu items for finding more and downloading software and manuals.