| 基于SWAT模型的龙溪河泸县境内面源污染特征分析 |
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| 引用本文： | 马亚丽,白祖晖,敖天其. 基于SWAT模型的龙溪河泸县境内面源污染特征分析[J]. 中国农村水利水电, 2019, 0(7): 103-109 |
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| 作者姓名： | 马亚丽 白祖晖 敖天其 |
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| 作者单位： | 甘肃农业大学水利水电学院;甘肃省水利水电勘测设计研究院有限责任公司;四川大学水力学与山区河流开发保护国家重点实验室 |
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| 基金项目： | 甘肃农业水利水电工程学院青年教师科技创新基金(SLSDXY-QN2019-04);国家科技部国际合作项目(2012DFG21780);四川省环境保护厅科技项目(11HBT-01) |
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| 摘 要： | 应用分布式水文模型SWAT,首次以龙溪河泸县境内的面源污染为研究对象,通过对该流域的面源污染进行调查、监测和模拟,定量计算和分析该流域面源污染的时空分布规律以及识别关键污染源和污染关键区。结果表明:①SWAT模型在该研究区具有较好适用性,径流、氮磷负荷的纳什效率系数Ens在0.6~0.75,决定系数R^2在0.75~0.85,相对误差Re在10%~30%;②年产水量、TN产量、TP产量丰水期显著多于平水期,丰水期比重大约为70%~80%,平水期多于枯水期,枯水期产量比重在5%以内;③面源污染是各个子流域最主要的污染类型,农业化肥污染与农村生活污染在面源污染中所占比重最大;④农村生活污染对TN产量影响最大,农业化肥污染对TP产量影响最大;⑤11、13号子流域是非点源污染的关键区,选定云锦镇为重点防治区。
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| 关 键 词： | 面源污染 TN、TP负荷 龙溪河 SWAT模型 |
An Analysis of the Characteristics of Non-point Source Pollution of Long-xi River Basin in Luxian County Based on SWAT Model |
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| MA Ya-li,BAI Zu-hui,AO Tian-qi. An Analysis of the Characteristics of Non-point Source Pollution of Long-xi River Basin in Luxian County Based on SWAT Model[J]. China Rural Water and Hydropower, 2019, 0(7): 103-109 |
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| Authors: | MA Ya-li BAI Zu-hui AO Tian-qi |
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| Affiliation: | (College of Water Resources and Hydropower Engineering, Gansu Agricultural University, Lanzhou 730000, China;Gansu Survey and Design Research Institute for Water Resources and Hydropower Limited Liability Company, Lanzhou 730000, China;State Key Laboratory of Hydraulics and Mountain River Engineering in Sichuan University, Chengdu 610065, China) |
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| Abstract: | MA Ya-li;BAI Zu-hui;AO Tian-qi(College of Water Resources and Hydropower Engineering, Gansu Agricultural University, Lanzhou 730000, China;Gansu Survey and Design Research Institute for Water Resources and Hydropower Limited Liability Company, Lanzhou 730000, China;State Key Laboratory of Hydraulics and Mountain River Engineering in Sichuan University, Chengdu 610065, China) |
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| Keywords: | non-point source pollution TN、TP load Longxi River SWAT model |
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