基于降低酸雨危害的长沙市屋顶绿化研究

发布时间：2018-01-09 06:28

本文关键词：基于降低酸雨危害的长沙市屋顶绿化研究　出处：《湖南农业大学》2013年硕士论文　论文类型：学位论文

【摘要】：随着城市快速发展,人居环境已成关注重点,屋顶绿化的出现为城市环境的改善提供了新思路。酸雨已成为世界三大环境问题之一,研究通过对酸雨危害和防治方法的综述,提出应增加适宜屋顶绿化的植物和基质在酸雨改善作用方面的研究,并指出推广屋顶绿化是防治酸雨危害的有效措施。针对现有的不足,选取适应屋顶绿化的植物和基质,通过模拟酸雨淋溶实验,提出陶粒和马尼拉的植物基质组合改善酸雨pH效果较好。通过调查长沙市屋顶绿化发展现状,深入探讨屋顶绿化生态服务功能、植物景观以及下界面等因素,对比国内外案例,结合其发展经验,提出适合长沙的屋顶绿化推广措施。研究实例部分以调查结论和实验数据为指导,结合场地特殊性,经植物配置、界面设计和细节设计等手法,将场地酸雨防治、休闲、教育三大功能有机糅合,为屋顶绿化设计提供新的方向。根据调查、研究和实践提出挖掘屋顶绿化在PM2.5、重金属、雾霾等环境污染方面的积极作用,融入雨水收集和利用是屋顶绿化生态服务功能的拓展和延伸。
[Abstract]:With the rapid development of cities, human settlements have become the focus of attention. The emergence of roof greening has provided a new idea for the improvement of urban environment. Acid rain has become one of the three major environmental problems in the world. Based on the review of acid rain harm and control methods, it is suggested that the improvement of acid rain by plants and substrates suitable for roof greening should be increased. It is pointed out that popularizing roof greening is an effective measure to prevent and cure the harm of acid rain. In view of the existing deficiency, the plants and substrates adapted to roof greening were selected, and through simulated acid rain leaching experiments, it was suggested that the combination of ceramsite and Manila plant substrates could improve the pH of acid rain better. Through investigating the present situation of roof greening development in Changsha City, this paper probes into the ecological service function, plant landscape and lower interface of roof greening, and compares the domestic and foreign cases, and combines its development experience. The promotion measures of roof greening suitable for Changsha are put forward. The research example part is guided by the investigation conclusion and experimental data, combined with the site particularity, through plant configuration, interface design and detail design, the site acid rain prevention and control, leisure, education three major functions are organically combined. Provide a new direction for roof greening design. According to the investigation, research and practice, the active role of digging roof greening in PM2.5, heavy metal, haze and other environmental pollution was put forward. The integration of Rain Water collection and utilization is the expansion and extension of the ecological service function of roof greening.
【学位授予单位】：湖南农业大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：X517;TU985.12

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