Correlation analysis of factors affecting removal efficiency in vegetative filter strips

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• 作者：Seoungbong Peak ; Kyungik Gil
• 关键词：Vegetative filter strips ; VFS ; Nonpoint source pollution ; Retention time ; Vegetation coverage
• 刊名：Environmental Earth Sciences
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：75
• 期：1
• 全文大小：1,713 KB
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• 作者单位：Seoungbong Peak (1)
  Kyungik Gil (1)
  
  1. Department of Civil Engineering, Seoul National University of Science and Technology, Nowon-Gu, Seoul, 139-743, South Korea
  
• 刊物类别：Earth and Environmental Science
• 刊物主题：None Assigned
• 出版者：Springer Berlin Heidelberg
• ISSN：1866-6299

文摘

Nonpoint pollution sources (NPSs) are difficult to manage because their pathways, pollutant load, and runoff characteristics are unclear, unlike point pollution sources. Hence, the Korean government plans to research and develop best management practices (BMPs) for the management of NPSs. The removal efficiency of BMPs varies due to several factors, including rainfall events. These BMPs can be evaluated by numerous methods, and continuous research is being conducted on improving them. In this study, a correlation analysis was conducted to investigate vegetation coverage and retention time as factors affecting the removal efficiency of a vegetative filter strip (VFS), which is a natural nonpoint pollution reduction facility. The results showed that a longer retention time was associated with a higher removal efficiency of a VFS when the vegetation coverage was maintained. Therefore, adequate vegetation coverage and retention time are required to increase the removal efficiency for the VFSs. Keywords Vegetative filter strips VFS Nonpoint source pollution Retention time Vegetation coverage