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Volume 18 Issue 6

Nov.  2001

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Article >  ADVANCES IN ATMOSPHERIC SCIENCES  > 2001 >  18(6): 1121-1130

Comparison of Field Measurements of CH4 Emission from Rice Cultivation in Nanjing, China and in Texas, USA

  • 1.

    Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095,College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095,College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095,Department of Ecology and Evolutionary Biology, Rice University, Houston, Texas, USA,Department of Ecology and Evolutionary Biology, Rice University, Houston, Texas, USA


doi: 10.1007/s00376-001-0027-z

  • Field measurements of methane emission from rice paddies were made in Nanjing, China and in Texas, USA, respectively. Soil temperature at approximately 10 cm depth of the flooded soils was automatically recorded. Aboveground biomass of rice crop was measured approximately every 10 days in Nanjing and every other week in Texas. Seasonal variation of soil temperature in Nanjing was quite wide with a magnitude of 15.3℃ and that in Texas was narrow with a magnitude of 2.9℃. Analysis of methane emission fluxes against soil temperature and rice biomass production demonstrated that the seasonal course of methane emission in Nanjing was mostly attributed to soil temperature changes, while that in Texas was mainly related to rice biomass production. We concluded that under the permanent flooding condition, the seasonal trend of methane emission would be determined by the soil temperature where there was a wide variation of soil temperature, and the seasonal trend would be mainly determined by rice biomass production if there are no additional organic matter inputs and the variation of soil temperature over the rice growing season is small.
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    [2] Haoxin ZHANG, Naiming YUAN, Zhuguo MA, Yu HUANG, 2021: Understanding the Soil Temperature Variability at Different Depths: Effects of Surface Air Temperature, Snow Cover, and the Soil Memory, ADVANCES IN ATMOSPHERIC SCIENCES, 38, 493-503.  doi: 10.1007/s00376-020-0074-y
    [3] Siqiong LUO, Zihang CHEN, Jingyuan WANG, Tonghua WU, Yao XIAO, Yongping QIAO, 2024: Impact of Initial Soil Conditions on Soil Hydrothermal and Surface Energy Fluxes in the Permafrost Region of the Tibetan Plateau, ADVANCES IN ATMOSPHERIC SCIENCES, 41, 717-736.  doi: 10.1007/s00376-023-3100-z
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    [7] Ding Aiju, Wang Mingxing, 1996: Model for Methane Emission from Rice Fields and Its Application in Southern China, ADVANCES IN ATMOSPHERIC SCIENCES, 13, 159-168.  doi: 10.1007/BF02656859
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    [10] Shili Yang, Wenjie Dong, JieMing Chou, Yong Zhang, Weixing Zhao, 2024: Regional climate damage quantifications and its impacts on future emission paths using the RICE model, ADVANCES IN ATMOSPHERIC SCIENCES.  doi: 10.1007/s00376-024-3193-z
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    [13] SHEN Shuanghe, YANG Dong, XIAO Wei, LIU Shoudong, Xuhui LEE, 2014: Constraining Anthropogenic CH4 Emissions in Nanjing and the Yangtze River Delta, China, Using Atmospheric CO2 and CH4 Mixing Ratios, ADVANCES IN ATMOSPHERIC SCIENCES, 31, 1343-1352.  doi: 10.1007/s00376-014-3231-3
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    [15] Wenjing HUANG, Timothy J. GRIFFIS, Cheng HU, Wei XIAO, Xuhui LEE, 2021: Seasonal Variations of CH4 Emissions in the Yangtze River Delta Region of China Are Driven by Agricultural Activities, ADVANCES IN ATMOSPHERIC SCIENCES, 38, 1537-1551.  doi: 10.1007/s00376-021-0383-9
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    • Manuscript History

    Manuscript received: 10 November 2001
    Manuscript revised: 10 November 2001
    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

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    Comparison of Field Measurements of CH4 Emission from Rice Cultivation in Nanjing, China and in Texas, USA

    • 1. Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095,College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095,College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095,Department of Ecology and Evolutionary Biology, Rice University, Houston, Texas, USA,Department of Ecology and Evolutionary Biology, Rice University, Houston, Texas, USA
    • Manuscript received: 2001-11-10
    • Manuscript revised: 2001-11-10

    Abstract: Field measurements of methane emission from rice paddies were made in Nanjing, China and in Texas, USA, respectively. Soil temperature at approximately 10 cm depth of the flooded soils was automatically recorded. Aboveground biomass of rice crop was measured approximately every 10 days in Nanjing and every other week in Texas. Seasonal variation of soil temperature in Nanjing was quite wide with a magnitude of 15.3℃ and that in Texas was narrow with a magnitude of 2.9℃. Analysis of methane emission fluxes against soil temperature and rice biomass production demonstrated that the seasonal course of methane emission in Nanjing was mostly attributed to soil temperature changes, while that in Texas was mainly related to rice biomass production. We concluded that under the permanent flooding condition, the seasonal trend of methane emission would be determined by the soil temperature where there was a wide variation of soil temperature, and the seasonal trend would be mainly determined by rice biomass production if there are no additional organic matter inputs and the variation of soil temperature over the rice growing season is small.

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