Spatial and seasonal characteristics of river water chemistry in the Taizi River in Northeast China

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	Spatial and seasonal characteristics of river water chemistry in the Taizi River in Northeast China
	Bu Hongmei
	2014
关键词	River pollution Biochemical oxygen demand Chlorine compounds Cluster analysis Hierarchical systems Hydrochemistry Pollution Rivers Statistical methods Water pollution Water quality
英文摘要	Anthropogenic activities have led to water quality deterioration in many parts of the world, especially in Northeast China. The current work investigated the spatiotemporal variations of water quality in the Taizi River by multivariate statistical analysis of data from the 67 sampling sites in the mainstream and major tributaries of the river during dry and rainy seasons. One-way analysis of variance indicated that the 20 measured variables (except pH, 5-day biological oxygen demand, permanganate index, and chloride, orthophosphate, and total phosphorus concentrations) showed significant seasonal (p0.05) and spatial (p<0.05) variations among the mainstream and major tributaries of the river. Hierarchical cluster analysis of data from the different seasons classified the mainstream and tributaries of the river into three clusters, namely, less, moderately, and highly polluted clusters. Factor analysis extracted five factors from data in the different seasons, which accounted for the high percentage of the total variance and reflected the integrated characteristics of water chemistry, organic pollution, phosphorous pollution, denitrification effect, and nitrogen pollution. The results indicate that river pollution in Northeast China was mainly from natural and/or anthropogenic sources, e.g., rainfall, domestic wastewater, agricultural runoff, and industrial discharge. 2014 Springer International Publishing.
出处	Environmental Monitoring and Assessment
卷	186 期:6 页:3619-3632
收录类别	EI
语种	英语
内容类型	EI期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/31139]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Bu Hongmei. Spatial and seasonal characteristics of river water chemistry in the Taizi River in Northeast China. 2014.