Indirect evaluation of erosion entity in drainage basins through geomorphic, climatic and hydrological parameters.

The regression equations connecting suspended sediment yield by streams with some parameters - expressing the main climatic, hydrologic and morphologic characters which control erosion intensity in drainage basins - were improved by extending the quantitative geomorphic studies already started by the authors on drainage networks. To have a sample which is representative of the different physiograpic conditions of Italy, twenty drainage basins were chosen. -from Authors