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Aggravation of reactive nitrogen flow driven by human production and consumption in Guangzhou City China

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  • Yue Dong

    (Beijing Normal University)

  • Linyu Xu

    (Beijing Normal University)

  • Zhifeng Yang

    (Beijing Normal University)

  • Hanzhong Zheng

    (Beijing Normal University)

  • Lei Chen

    (Beijing Normal University)

Abstract

Human activities reshape the global nitrogen (N) cycle and affect environment and human health through reactive nitrogen (Nr) loss during production and consumption. In urbanized regions, the N cycle is greatly mediated by complex interactions between human and natural factors. However, the variations in sources, magnitude, spatiotemporal patterns and drivers of Nr flows remain unclear. Here we show by model simulations, anthropogenic perturbations not only intensify Nr input to sustain increasing demands for production and consumption in Guangzhou city, China, but also greatly change the Nr distribution pattern in the urban system, showing a substantial Nr enrichment in the atmosphere and a relatively low retention capacity of Nr in the terrestrial system. Our results highlight the strong anthropogenic effect of urban systems on the N cycle to suggest sustainable human activity changes to harmonize the relationship between Nr behaviors and human drivers.

Suggested Citation

  • Yue Dong & Linyu Xu & Zhifeng Yang & Hanzhong Zheng & Lei Chen, 2020. "Aggravation of reactive nitrogen flow driven by human production and consumption in Guangzhou City China," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-14699-x
    DOI: 10.1038/s41467-020-14699-x
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    Cited by:

    1. Linlin Xia & Jianfeng Wei & Ruwei Wang & Lei Chen & Yan Zhang & Zhifeng Yang, 2022. "Exploring Potential Ways to Reduce the Carbon Emission Gap in an Urban Metabolic System: A Network Perspective," IJERPH, MDPI, vol. 19(10), pages 1-23, May.
    2. Beck, M Bruce & Chen, Chen & Walker, Rodrigo Villarroel & Wen, Zongguo & Han, Jiangxue, 2023. "Multi-sectoral analysis of smarter urban nitrogen metabolism: A case study of Suzhou, China," Ecological Modelling, Elsevier, vol. 478(C).
    3. Wu, Dongdong & Zhang, Yan & Zhang, Xiaolin & Fath, Brain D., 2023. "Research progress of urban nitrogen cycle and metabolism," Ecological Modelling, Elsevier, vol. 486(C).
    4. Xin Zhou & Chunqing Chen & Fajin Chen & Zhiguang Song, 2021. "Changes in net anthropogenic nitrogen input in the watershed region of Zhanjiang Bay in south China from 1978 to 2018," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(12), pages 17201-17219, December.
    5. Yunfeng Huang & Shenghui Cui & Bing Gao & Wei Huang & Shuangying Han & Yuanchao Hu, 2023. "Driving reactive nitrogen emissions in China: Competition between scale and efficiency," Journal of Industrial Ecology, Yale University, vol. 27(3), pages 951-963, June.

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