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Analysis of the Spatial Distribution Characteristics of Emerging Pollutants in China
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Researchers mapped the spatial distribution of four types of emerging pollutants in China's water environment, including microplastics, endocrine disruptors, brominated flame retardants, and perfluorinated compounds. They found that pollution levels correlate with regional economic development, with the Yangtze River Delta, Pearl River Delta, and Beijing-Tianjin-Hebei region showing significantly higher contamination. The study provides a reference framework for emerging pollutant prevention and control across China.
Pollutant types are increasing along with the rapid development of society and economy. Some emerging pollutants from chemicals have begun to appear and endanger public and ecosystem health. However, the research and development of emerging pollutant monitoring technology is still in its infancy, with no complete monitoring system in place. This makes it impossible to access and identify the spatial pattern of emerging pollutants. Therefore, this paper reviews the existing quantitative research results on four common emerging pollutants in China’s water environment—namely, endocrine disruptors, brominated flame retardants, perfluorinated compounds, and microplastics—extracts the quantitative monitoring results of emerging pollutants in the case studies, and outlines the spatial distribution characteristics of emerging pollutants in the water environment. The results show that the emerging pollutants have a large distribution area that has covered most of China. The level of pollution from emerging pollutants correlates with the level of economic development and the pollution level in economically developed regions such as the Yangtze River Delta, the Pearl River Delta, and the Beijing–Tianjin–Hebei region is significantly higher than in other regions. This study provides a reference for the prevention and control of emerging pollutants in China.
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