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农田退水期阿什河氮污染特征及来源解析

王业耀 马广文 香宝 胡钰 刘玉萍 张铃松

王业耀, 马广文, 香宝, 胡钰, 刘玉萍, 张铃松. 农田退水期阿什河氮污染特征及来源解析[J]. 环境科学研究, 2012, 25(8): 859-863.
引用本文: 王业耀, 马广文, 香宝, 胡钰, 刘玉萍, 张铃松. 农田退水期阿什河氮污染特征及来源解析[J]. 环境科学研究, 2012, 25(8): 859-863.
WANG Ye-yao, MA Guang-wen, XIANG Bao, HU Yu, LIU Yu-ping, ZHANG Ling-song. Nitrogen Pollution and Source Analysis in the Ashi River during the Period of Water Release from Cropland[J]. Research of Environmental Sciences, 2012, 25(8): 859-863.
Citation: WANG Ye-yao, MA Guang-wen, XIANG Bao, HU Yu, LIU Yu-ping, ZHANG Ling-song. Nitrogen Pollution and Source Analysis in the Ashi River during the Period of Water Release from Cropland[J]. Research of Environmental Sciences, 2012, 25(8): 859-863.

农田退水期阿什河氮污染特征及来源解析

基金项目: 国家水体污染控制与治理科技重大专项(2009ZX07207-011)

Nitrogen Pollution and Source Analysis in the Ashi River during the Period of Water Release from Cropland

  • 摘要: 利用水质监测技术和稳定同位素示踪技术,对春季农田退水期阿什河河水中ρ(NH4+-N)、ρ(NO3--N)和ρ(TN)特征进行研究并对氮污染来源进行解析. 结果表明,ρ(NH4+-N)、ρ(NO3--N)和ρ(TN)除在阿什河上游源头区水体中较低外,其余大部分区域均较高. 上游源头区采样点 δ 15N值为3.68‰~6.09‰,主要受大气沉降氮和土壤有机氮的污染;中下游区域中一部分采样点δ15N值为5.32‰~7.72‰,主要受农田退水和农村生活污水影响,另一部分采样点δ15N值为8.45‰~11.86‰,主要受畜禽养殖污水影响较大;下游采样点δ15N值较低(3.25‰~4.15‰),主要受工业来源废水污染. 农田,特别是河流两岸的稻田退水对阿什河水质影响较大;城区对阿什河TN和NH4+-N影响较大,对NO3--N影响较小.

     

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出版历程
  • 收稿日期:  2011-11-10
  • 修回日期:  2012-04-16
  • 刊出日期:  2012-08-25

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