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Dynamic spatial analysis of NO2 pollution over China: Satellite observations and spatial convergence models by Cui, Yuanzheng (author);Wang, Lei (author);Jiang, Lei (author);Liu, Mengyao (author);Wang, Jionghua (author);Shi, Kaifang (author);Duan, Xuejun (author) is a Environmental Science article available to read on EtoBox.

What is Dynamic spatial analysis of NO2 pollution over China: Satellite observations and spatial convergence models about?

Owing to rapid urbanization and industrialization over decades, nitrogen dioxide (NO 2 ) has become a serious air pollutant in China. The Chinese government has proposed a series of strict strategies for the reduction of nitrogen oxides (NO x ) emissions. This research studies the spatio-temporal characteristics of NO 2 pollution over China from October 2004 to June 2020 based on satellite observations. The findings are as follows. Overall, NO 2 vertical column densities (VCDs) first increased from 2005 to 2012, and then displayed a decreasing trend after 2013. In addition, the centroid of NO 2 values over China during the period of 2006-2010 was located in north Henan and shifted towards the west, suggesting that the NO 2 pollution in the eastern region decreased more rapidly than that in the western region. On the other hand, another important aim of this research is to forecast the trajectory of dynamic spatial differences of NO 2 pollution. Technically, we investigated σ and β convergence of the NO 2 pollution across Chinese cities. The results of the σ convergence test based on standard deviations of annual mean NO 2 VCDs showed that, from 2005 to 2011, the differences in NO 2

Who reads Dynamic spatial analysis of NO2 pollution over China: Satellite observations and spatial convergence models?

It is typically read by researchers, students, and practitioners in Environmental Science.

Author
Cui, Yuanzheng (author);Wang, Lei (author);Jiang, Lei (author);Liu, Mengyao (author);Wang, Jionghua (author);Shi, Kaifang (author);Duan, Xuejun (author)
Publisher
Elsevier BV
Published
2021
Language
EN
Field
Environmental Science (Physical Sciences)

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