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Stabilization of atmospheric nitrogen deposition in China over the past decade

Nature geoscience, 2019-06, Vol.12 (6), p.424-429 [Peer Reviewed Journal]

The Author(s), under exclusive licence to Springer Nature Limited 2019. ;ISSN: 1752-0894 ;EISSN: 1752-0908 ;DOI: 10.1038/s41561-019-0352-4

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  • Title:
    Stabilization of atmospheric nitrogen deposition in China over the past decade
  • Author: Yu, Guirui ; Jia, Yanlong ; He, Nianpeng ; Zhu, Jianxing ; Chen, Zhi ; Wang, Qiufeng ; Piao, Shilong ; Liu, Xuejun ; He, Honglin ; Guo, Xuebing ; Wen, Zhang ; Li, Pan ; Ding, Guoan ; Goulding, Keith
  • Subjects: Climate change ; Components ; Deposition ; Developing countries ; Dry deposition ; Environmental changes ; Environmental quality ; Food production ; Food quality ; LDCs ; Lichens ; Nitrates ; Nitrogen ; Nitrogen deposition ; Pollution ; Pollution control ; Regional climates ; Regional development
  • Is Part Of: Nature geoscience, 2019-06, Vol.12 (6), p.424-429
  • Description: Increasing atmospheric nitrogen deposition can influence food production, environmental quality and climate change from the regional to global scales. As the largest developing country, China is expected to experience a rapid increase in N deposition. However, the lack of information on dry N deposition limits our understanding of the historical trend of the total N deposition, as well as the main drivers of this trend. Here, we use extensive datasets that include both wet and dry N deposition to evaluate the spatiotemporal variation of N deposition and the changes of its components in China during 1980–2015. Three significant transitions in N deposition in China were observed. First, the total N deposition began to stabilize in 2001–2005, mostly due to a decline in wet NH4+ deposition. Subsequently, a shift to approximately equal wet and dry N deposition occurred in 2011–2015, accompanied by increasing dry deposition. Finally, the contribution of reduced N components in the deposition decreased due to increasing NO3− deposition. These transitions were jointly driven by changes in the socioeconomic structure in China and vigorous controls in N pollution. The three observed important transitions challenge the traditional views about the continuous increase in N deposition in China. Nitrogen deposition in China has been almost constant over the past decade, as decreasing wet deposition has balanced increasing dry deposition, according to analyses of extensive datasets on wet and dry nitrogen depositions in China.
  • Publisher: London: Nature Publishing Group
  • Language: English
  • Identifier: ISSN: 1752-0894
    EISSN: 1752-0908
    DOI: 10.1038/s41561-019-0352-4
  • Source: AUTh Library subscriptions: ProQuest Central
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