Spatiotemporal Patterns in River Water Quality and Pollution Source Apportionment in the Arid Beichuan River Basin of Northwestern China Using Positive Matrix Factorization Receptor Modeling Techniques.

Int J Environ Res Public Health · 2020 · PMC7399880 · PMID 32668595

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an increasing trendno p-value reported

As shown in Figure 2 , the mean concentration of TDS, Cl − , TN, Fe, and TOC showed an increasing trend from upstream to downstream.

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