6Lorup K G, Refsgaard J C, Mazvimavi D. Assessing the effect of land use change on catchment runoff by combined use of statistical tests and hydrological modeling: Case studies from Zimhabwe[J]. Journal of Hydrology, 1998, 205:147-163.
7Walling D E. Human impact on land-ocean sediment transfer by the world ' s rivers [J]. Geomorphology, 2006,79: 192-216.
8Houben P, Hoffmann T, Zimmermann A, et al. Land use and climatic impacts on the Rhine system (Rhein- LUCIFS) : Quantifying sediment fluxes and human impact with available data[J]. Catena, 2006,66:42-52.
