Long-Term Atmospheric Visibility Trends and Their Relations to Socioeconomic Factors in Xiamen City, China.

Int J Environ Res Public Health · 2018 · PMC6211101 · PMID 30322076

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showed a trendno p-value reported

From 1987 to 2016, the urban area of Xiamen showed a trend of expansion.

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an increasing trendno p-value reported

The RGC showed an increasing trend, but there were obvious fluctuations, with three peaks in 1990, 1997, and 2006.

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