Dynamic Distribution of Organic Pollutants of the Bashui Rivers in Chang'an and Their Impact on the Main Water Environment of Weihe River

In this study, the change of water environment quality of eight rivers(Wei, Jing, Feng, Lao, Jue, Hao, Chan and Ba) in Chang 'an was taken as the main research target, and the dynamic distribution characteristics of water pollutants, especially soluble organic pollutants(DOM),in the whole basin of the eight rivers were revealed. The organic compounds in water were characterized qualitatively and quantitatively based on EEM and PARAFAC. Through the analysis of core consistency diagnosis, residual sum of squares and physical significance of split test in the fluorescence data model, the number of components of fluorescent substances was reasonably estimated, and the decomposition of its components was realized by PARAFAC method, and the influence of tributary rivers on organic matter in mainstream rivers was revealed, which promoted the application of EEMs-PARAFAC method in a wider range of environmental monitoring.