生态清洁小流域三道防线小尺度划分方法研究
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摘要
为解决山区生态清洁小流域三道防线划分过程中参考指标模糊和划分方法不明确的问题,对三道防线的内涵、措施体系布设和现有划分方法等相关文献进行研究,结合北京市典型清洁小流域建设情况调研,提出并实例验证了小流域三道防线小尺度划分方法:坡度是确定生态自然修复区范围的关键性指标,25°是划分标准;由河道管理范围及河湖滨岸缓冲带宽度、截污工程宽度确定河湖库周边生态保护区;生态自然修复区和河湖库周边生态保护区之间的范围即为综合治理区。
In order to solve the problem that the reference indicatorswere blurred and the method of division was not clear in the process of dividing the three lines of defense in the small watersheds in mountainous areas, the research on the connotation, layout measures and existing division methods of the three lines of defense was combined with the typical clean small watersheds in Beijing. Combining with the survey of construction situation, it proposed and verified the small-scale division method of the three-way defense line in the small watershed: the slope is the key indicator for determining the scope of the ecological natural restoration area, 25° is the slope division boundary; the river management scope, the river and lake shore buffer zone width and the width of the interception project determines the remediation area around the river and lake reservoir; the area between the ecological natural restoration area and the remediation area around the river and lake reservoir is the comprehensive treatment area.
In order to solve the problem that the reference indicatorswere blurred and the method of division was not clear in the process of dividing the three lines of defense in the small watersheds in mountainous areas, the research on the connotation, layout measures and existing division methods of the three lines of defense was combined with the typical clean small watersheds in Beijing. Combining with the survey of construction situation, it proposed and verified the small-scale division method of the three-way defense line in the small watershed: the slope is the key indicator for determining the scope of the ecological natural restoration area, 25° is the slope division boundary; the river management scope, the river and lake shore buffer zone width and the width of the interception project determines the remediation area around the river and lake reservoir; the area between the ecological natural restoration area and the remediation area around the river and lake reservoir is the comprehensive treatment area.
引文
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[2] 段淑怀.生态清洁小流域建设技术体系研究[J].北京水务,2009(增刊2):14-16.
[3] 杨坤,李世荣.北京市生态清洁小流域分类分级建设对策研究[J].中国水土保持,2012(2):7-9.
[4] 吴敬东,段淑怀,叶芝菡.北京市山区小流域主沟道水文地貌调查与分级[J].中国水土保持科学,2013,11(6):33-38.
[5] 祁生林.生态清洁小流域建设理论及实践[D].北京:北京林业大学,2006:38-46.
[6] 祁生林,韩富贵,杨军,等.北京市生态清洁小流域建设理论与技术措施研究[J].中国水土保持,2010(3):18-20.
[7] 齐实.生态清洁小流域“三道防线”划分的原则和方法[C] //水利部,中国科学院,世界银行.中国水土保持探索与实践:小流域可持续发展研讨会论文集.北京:水利部,2005:5.
[8] 鲁子英,朱婧骐.浅谈《怀柔区防洪规划》在怀柔区河务管理中的应用[J].科技风,2015(5):186.
[9] 孙雨虹,李守义,王俊英,等.北京市山区河道治理思路探讨[J].水利水电技术,2015,46(12):137-140.
[10] 钱进,王超,王沛芳,等.河湖滨岸缓冲带净污机理及适宜宽度研究进展[J].水科学进展,2009,20(1):139-144.
[11] 曾立雄,黄志霖,肖文发,等.河岸植被缓冲带的功能及其设计与管理[J].林业科学,2010,46(2):128-133.
[12] CASTELLE A J,JOHNSON A W,CONOLLY C.Wetland and Streambuffer Size Requirements:A Review[J].Journal of Environmental Quality,1994,23:878-882.
[13] DILLAHA T A,RENEAU R B,MOSTAGHIMI S,et al.Vegetative Filterstrips for Agricultural Nonpoint Source Pollution Control[J].Transactions,American Society of Agricultural Engineers,1989,32:513-519.
[14] 诸葛亦斯,刘德富,黄钰铃.生态河流缓冲带构建技术初探[J].水资源与水工程学报,2006(2):63-67.