Investigating the Spatiotemporal Variability and Driving Factors of Artificial Lighting in the Beijing-Tianjin-Hebei Region Using Remote Sensing Imagery and Socioeconomic Data.

Int J Environ Res Public Health · 2019 · PMC6603925 · PMID 31159391

Europe PMC DOI

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a decreasing trendno p-value reported

Artificial lighting had a decreasing trend in only a few areas, such as the west of Handan City, the southeast of Cangzhou City, and the suburbs of Beijing City and Zhangjiakou City.

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an increasing trendno p-value reported

The results showed the following: (1) Overall, there was an increasing trend in artificial lighting in the Beijing-Tianjin-Hebei region, which accounted for approximately 56.87% of the total study area.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.