Development and application of a non-point sources pollution model for hydrological processes and nutrient loadings in the Xitiaoxi catchment in South China [Elektronische Ressource] / vorgelegt von Guangju Zhao

Development and application of a non-point sources pollution model for hydrological processes and nutrient loadings in the Xitiaoxi catchment in South China Dissertation Zur Erlangung des Doktorgrades der Mathematisch-Naturwissenschaftlichen Fakultät der Christian-Albrechts-Universität zu Kiel vorgelegt von MSc. Guangju Zhao Institute of the Conservation of Natural Resources, Department of Hydrology and Water Resources Management Kiel University, Kiel, Germany 2011 Referentin: Prof. Dr. Nicola Fohrer Koreferentin: Prof. Dr. Natascha Oppelt Tag der mündlichen Prüfung: 8. February 2011 Zum Druck genehmigt: Kiel, 9. February 2011 gez. Prof. Dr. Lutz Kipp. Dekan Summary Summary This dissertation describes the hydrology and non-point source pollution of the humid, subtropical Xitiaoxi catchment in the south-eastern China and comprises a hydrologic and nutrient dynamics simulation there. The study presents at first an interpretation of hydrological processes influenced by anthropological activities. Beyond that, it deals with nutrient cycles in both arable land with an intensive farming system and a natural forest dominated catchment. The study catchment of the Xitiaoxi River is located upstream in the Taihu Basin in south-eastern China. The river is one of the major tributaries flowing into the Taihu Lake, contributing 27.7% of the water volume each year.