Abstract
The water quality of the Songhua River (Northeast China) was of concern, especially in the 1980s and early 1990s, and there weremany studies carried out on this aspect. However, only one or several independent water quality indiceswere used to consider the effects of pollutants on thewater quality, for instance, heavy metal and toxic organicpollutants. The combined effects of multiple indices wereseldom studied. In this article, based on the environmentalmonitoring data, the water quality of the Songhua River wasanalyzed using factor analysis, which comprehensivelyconsidered six indices of water quality of each monitoringsection. The results showed that the main pollutants hadchanged to nitrogenous pollutants originated from nonpointsources, and water quality was variable in differenthydrological periods. The results also showed that themethod was comprehensive and efficient in analyzing thedynamics of water quality.
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Yu, S., Shang, J., Zhao, J. et al. Factor Analysis and Dynamics of Water Quality of the Songhua River, Northeast China. Water, Air, & Soil Pollution 144, 159–169 (2003). https://doi.org/10.1023/A:1022960300693
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DOI: https://doi.org/10.1023/A:1022960300693