Distribution Characteristics of Nitrate Nitrogen and Nitrite Nitrogen in
the Jiantan River Basin in the Three Gorges Reservoir Area

doi:10.3969/j.issn.1674-0696.2011.06.28

Abstract

Abstract: 38 samples in surface water and 13 samples in drinking water wells in rural areas are collected in the Jiantan River in the Three Gorges Reservoir area during the low water period．Nitrate nitrogen and nitrite nitrogen in the samples are meas ured and analyzed to depict the distribution of nitrate and nitrite pollution in the studied basin．Correlativity analysis reveals the relationship between the nitrate nitrogen and the nitrite nitrogen level of the surface water samples in tbe study basin． Th e NO3-N is serious exceeded in rural drinking water wells along the Jiantan River Basin，and the importance of the safety of drinking well water in rural areas is proposed．

Key words: Three Gorges Reservoir Area, Jiantan River, nitrate nitrogen, nitrite nitrogen

摘要： 于枯水期采集三峡库区箭滩河沿线38个地点地表水样和沿途农村饮用井水／泉水13个水样，分别测定了水体中硝酸盐氮、亚硝酸盐氮含量；分析了枯水期箭滩河地表水及饮用井水中硝酸盐氮和亚硝酸盐氮分布及变化特征；阐明了地表水、地下水体中硝酸盐氮和亚硝酸盐氮浓度之间的相关关系，及硝酸盐氮和亚硝酸盐氮浓度与高程之间的关系。研究结果表明：箭滩河流域沿程农村饮用井水中NO，一N超标较为严重，提出要重视农村饮用井水的安全问题。

关键词: 三峡库区, 箭滩河, 硝酸盐氮, 亚硝酸盐氮

CLC Number:

X131.2

LIU Xiang-chao ，LV Ping-yu ，WU Lin-jian ，GAO Wu. Distribution Characteristics of Nitrate Nitrogen and Nitrite Nitrogen in the Jiantan River Basin in the Three Gorges Reservoir Area[J]. Journal of Chongqing Jiaotong University(Natural Science), 2011, 30(6): 1379-1383.

刘相超，吕平毓，吴林键，高梧. 三峡库区箭滩河硝酸盐氮及亚硝酸盐氮分布特征[J]. 重庆交通大学学报（自然科学版）, 2011, 30(6): 1379-1383.

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Distribution Characteristics of Nitrate Nitrogen and Nitrite Nitrogen in the Jiantan River Basin in the Three Gorges Reservoir Area

三峡库区箭滩河硝酸盐氮及亚硝酸盐氮分布特征

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