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规模化人工湿地的温室气体释放通量

吴海明 袁佐栋 张建 范金林 胡振

吴海明, 袁佐栋, 张建, 范金林, 胡振. 规模化人工湿地的温室气体释放通量[J]. 环境科学研究, 2016, 29(8): 1195-1199.
引用本文: 吴海明, 袁佐栋, 张建, 范金林, 胡振. 规模化人工湿地的温室气体释放通量[J]. 环境科学研究, 2016, 29(8): 1195-1199.
WU Haiming, YUAN Zuodong, ZHANG Jian, FAN Jinlin, HU Zhen. Greenhouse Gas Emissions from Large-Scale Constructed Wetlands[J]. Research of Environmental Sciences, 2016, 29(8): 1195-1199.
Citation: WU Haiming, YUAN Zuodong, ZHANG Jian, FAN Jinlin, HU Zhen. Greenhouse Gas Emissions from Large-Scale Constructed Wetlands[J]. Research of Environmental Sciences, 2016, 29(8): 1195-1199.

规模化人工湿地的温室气体释放通量

基金项目: 长江科学院开放研究基金资助项目(CKWV2015240/KY);国家水体污染控制与治理科技重大专项(2012ZX07203-004);西北农林科技大学博士科研启动基金项目(2014BSJJ045)

Greenhouse Gas Emissions from Large-Scale Constructed Wetlands

  • 摘要: 基于规模化人工湿地工程——武河湿地的野外原位监测试验,采用静态箱-气相色谱法研究了人工湿地中温室气体(N2O、CH4和CO2)释放特征与规律. 结果表明,武河湿地工程的N2O和CH4平均释放通量分别为14.35和35.54 mg/(m2·d),表现为N2O、CH4的释放源,但其释放通量低于城市污水处理厂;湿地(主要包括水体和土壤生物呼吸)的CO2平均释放通量为2 889.4 mg/(m2·d). 人工湿地沿程N2O、CH4和CO2释放特征有所不同,平均释放通量呈先升后降规律,在布水渠处N2O释放通量最大,为51.92 mg/(m2·d);而6#溢流堰处CH4释放通量最大,为182.03 mg/(m2·d). 人工湿地中温室气体释放亦具有明显的季节变化规律,表现为春夏季高于秋冬季.

     

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出版历程
  • 收稿日期:  2015-11-06
  • 修回日期:  2016-04-21
  • 刊出日期:  2016-08-25

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