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Fingerprint of rice paddies in spatial–temporal dynamics of atmospheric methane concentration in monsoon Asia

Author

Listed:
  • Geli Zhang

    (China Agricultural University)

  • Xiangming Xiao

    (University of Oklahoma)

  • Jinwei Dong

    (Chinese Academy of Sciences)

  • Fengfei Xin

    (Fudan University)

  • Yao Zhang

    (Columbia University)

  • Yuanwei Qin

    (University of Oklahoma)

  • Russell B. Doughty

    (University of Oklahoma)

  • Berrien Moore

    (University of Oklahoma)

Abstract

Agriculture (e.g., rice paddies) has been considered one of the main emission sources responsible for the sudden rise of atmospheric methane concentration (XCH4) since 2007, but remains debated. Here we use satellite-based rice paddy and XCH4 data to investigate the spatial–temporal relationships between rice paddy area, rice plant growth, and XCH4 in monsoon Asia, which accounts for ~87% of the global rice area. We find strong spatial consistencies between rice paddy area and XCH4 and seasonal consistencies between rice plant growth and XCH4. Our results also show a decreasing trend in rice paddy area in monsoon Asia since 2007, which suggests that the change in rice paddy area could not be one of the major drivers for the renewed XCH4 growth, thus other sources and sinks should be further investigated. Our findings highlight the importance of satellite-based paddy rice datasets in understanding the spatial–temporal dynamics of XCH4 in monsoon Asia.

Suggested Citation

  • Geli Zhang & Xiangming Xiao & Jinwei Dong & Fengfei Xin & Yao Zhang & Yuanwei Qin & Russell B. Doughty & Berrien Moore, 2020. "Fingerprint of rice paddies in spatial–temporal dynamics of atmospheric methane concentration in monsoon Asia," Nature Communications, Nature, vol. 11(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-019-14155-5
    DOI: 10.1038/s41467-019-14155-5
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    Cited by:

    1. Yihao Wang & Xiande Zhao & Daming Dong & Chunjiang Zhao & Feng Bao & Rui Guo & Fangxu Zhu & Leizi Jiao, 2023. "Methane Exchange Flux Monitoring between Potential Source Sewage Inspection Wells and the Atmosphere Based on Laser Spectroscopy Method," Sustainability, MDPI, vol. 15(24), pages 1-15, December.
    2. Aryal, Jeetendra P., 2022. "Contribution of Agriculture to Climate Change and Low-Emission Agricultural Development in Asia and the Pacific," ADBI Working Papers 1340, Asian Development Bank Institute.
    3. Zhang, Chao & Dong, Jinwei & Zuo, Lijun & Ge, Quansheng, 2022. "Tracking spatiotemporal dynamics of irrigated croplands in China from 2000 to 2019 through the synergy of remote sensing, statistics, and historical irrigation datasets," Agricultural Water Management, Elsevier, vol. 263(C).
    4. Han, Jichong & Zhang, Zhao & Luo, Yuchuan & Cao, Juan & Zhang, Liangliang & Zhuang, Huimin & Cheng, Fei & Zhang, Jing & Tao, Fulu, 2022. "Annual paddy rice planting area and cropping intensity datasets and their dynamics in the Asian monsoon region from 2000 to 2020," Agricultural Systems, Elsevier, vol. 200(C).

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