[1]况福虹,朱波,徐泰平,等.川中丘陵区小流域非点源氮素迁移的季节特征——以中国科学院盐亭紫色土农业生态试验站小流域为例[J].水土保持研究,2006,13(05):93-95,98.
　KUANG Fu-hong,ZHU Bo,XU Tai-ping,et al.Seasonal Variation of Non-point Source Nitrogen Movement in Small Watershed in the Hilly Area of the Central Sichuan Basin——A Case Study in the Watershed of Yanting Agro-ecological Experimental Station of Purple Soil, CAS[J].Research of Soil and Water Conservation,2006,13(05):93-95,98.
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川中丘陵区小流域非点源氮素迁移的季节特征——以中国科学院盐亭紫色土农业生态试验站小流域为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 13 期数: 2006年05期 页码: 93-95,98 栏目: 出版日期: 1900-01-01
Title:
Seasonal Variation of Non-point Source Nitrogen Movement in Small Watershed in the Hilly Area of the Central Sichuan Basin——A Case Study in the Watershed of Yanting Agro-ecological Experimental Station of Purple Soil, CAS
作者:
况福虹1,2, 朱波1, 徐泰平1,2, 汪涛1,2, 武永峰1,3
1. 中国科学院成都山地灾害与环境研究所, 成都, 610041;
2. 中国科学院研究生院, 北京, 100039;
3. 西南农业大学资源与环境学院, 重庆, 400716
Author(s):
KUANG Fu-hong1,2, ZHU Bo1, XU Tai-ping1,2, WANG Tao1,2, WU Yong-feng1,3
1. Chengdu Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, 610041, China;
2. Graduate School of Chinese Academy of Sciences, Beijing, 100039, China;
3. College of Resources and Environment, Southwest Agricultural University, Chongqing, 400716, China
关键词:
小流域; 氮; 非点源污染
Keywords:
small watershed; nitrogen; non-point source pollution
分类号:
S181;S153.61
摘要:
通过分析川中丘陵区典型小流域主排水沟不同部位氮素浓度随季节变化的特征,结果表明NO3--N和NH4+-N浓度随季节变化特征明显,但浓度变化波动大.NH4+-N浓度春季最高,达到2.11mg/L,NO3--N浓度秋季最高,达到7.12mg/L,与总氮浓度有显著相关关系.TON浓度随季节变化特征不明显,受人类活动影响大,TN浓度随季节变化波动较小,从上游到出口处经过河流自净作用能明显降低.
Abstract:
Seasonal variation and movement of nitrogen in different location of main drain were analysed in a typital small watershed in the hilly area of the central Sichuan Basin.Results showed that the concentration of NO3--N and NH4+-N varied with season change,but it was fluctuated greatly.Concentration of NH4+-N was the highest in spring which was 2.11mg/L.Concentration of NO3--N was the highest in autumn which was 7.12mg/L and it was correlated significantly with TN.Variation was not obvious and TON was influenced by human beings.Concentration of TN was relatively stable and could be diluted naturally by self-refine.

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备注/Memo

收稿日期:2005-11-1。
基金项目:中国科学院野外台站基金知识和创新工程项目(KZCX2-413);四川省青年科技基金资助
作者简介:况福虹(1981- ),女,四川攀枝花人,硕士,从事农业生态、环境保护等研究.

更新日期/Last Update: 1900-01-01