Simulating the impact of flooding events on non-point source pollution and the effects of filter strips in an intensive agricultural watershed in China
文献类型：SCI/SSCI论文
| 作者 | Chen Y.; Song, X.; Zhang, Z.; Shi, P. J.; Tao, F. L. |
| 发表日期 | 2015 |
| 关键词 | Extreme event SWAT NPSP Filter strip River forested watersheds surface-water quality simulations storm events source areas swat model nutrient sediment management nitrogen |
| 英文摘要 | Non-point source pollution (NPSP) has become a critical pollution source after many improvements in point source pollution treatment have been made, particularly in China, due to intensive agricultural activities. Moreover, the impact of NPSP on surface water quality is significantly affected by extreme events, such as flooding. In this study, the soil and water assessment tool model was used to characterize the behaviours of NPSPs and to evaluate the effect of filter strips during flooding periods. The results showed that a flooding event in 2002 caused by a long duration of rainfall (event_1) contributed approximately 40 % of the annual sediment and organic N yield and 18.4 % of nitrate N yield. In 2007, more than 50 % of the annual sediment and organic N and 20 % of nitrate N export were caused by a flooding event due to heavy rainfall (event_2). The simulation results highlighted the severe threat of flooding events on aquatic environments. Furthermore, filter strips of different widths were simulated in these flooding scenarios to test their mitigation effects on the deterioration of surface water quality during these two events, and the 10-m filter strip did decrease more than 30-40 % of the loads of all NPSPs. Our study stresses that more attention should be paid to assessing the impact of flooding events on water quality management measures and pollution loads, as well as the effect of management practices on both aquatic and terrestrial ecosystems to develop sustainable water and soil resources. |
| 出处 | Limnology |
| 卷 | 16 |
| 期 | 2 |
| 页 | 91-101 |
| 收录类别 | SCI |
| 语种 | 英语 |
| ISSN号 | 1439-8621 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/38573]  |
| 专题 | 地理科学与资源研究所_历年回溯文献 |
| 推荐引用方式 GB/T 7714 | Chen Y.,Song, X.,Zhang, Z.,et al. Simulating the impact of flooding events on non-point source pollution and the effects of filter strips in an intensive agricultural watershed in China. 2015. |
入库方式： OAI收割
来源：地理科学与资源研究所
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