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海绵城市建设水平评价与分区域控制策略
徐心一1, 张晨1,2,3, 朱晓东1
1.南京大学 环境学院, 污染控制与资源化研究国家重点实验室, 江苏 南京 210023;2.福建师范大学 福建省亚热带资源与环境重点实验室, 福建 福州 350007;3.福建师范大学 地理科学学院, 福建 福州 350007
摘要:
[目的]探讨海绵城市建设成效及其关键影响因素,为中国分区域海绵城市建设规划提供理论依据与政策导向。[方法]从水环境安全、水资源利用、水污染治理和水人居建设4个方面构建了海绵城市建设评价指标体系;根据地形地貌、气象气候、发展规模等区域特征,选取具有代表性的海绵城市建设试点——北京市、重庆市和镇江市作为研究区域;通过主成分分析法与灰色模糊综合评价模型定量分析海绵城市建设指数变化趋势,对比分析不同子目标层建设指数的变化及其差异。[结果]2006-2015年研究区域海绵城市建设指数均呈上升趋势,子目标层建设指数中仅北京市及重庆市的水资源利用指数有所下降。[结论]中国海绵城市建设已取得阶段性成效,城市化与海绵城市建设指数变化联系密切。华北地区和华东地区的海绵城市建设还应分别加强对单位面积水库容积、农业污染负荷的管控;基于地形地貌分析,山地城市的海绵城市建设还应加强对节水量及生活废水排放的管控。
关键词:  海绵城市  指标体系  灰色模糊综合评价  分区域管控
DOI:10.13961/j.cnki.stbctb.2019.01.033
分类号:
基金项目:国家自然科学基金项目"基于LOICZII的连云港快速城市化海岸带环境效应研究"(40976021)
Evaluation of Sponged City Construction Level and Regional Governing Strategic Management
Xu Xinyi1, Zhang Chen1,2,3, Zhu Xiaodong1
1.State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu 210023, China;2.Fujian Provincial Key Laboratory for Subtropical Resources and Environment, Fujian Normal University, Fuzhou, Fujian 350007, China;3.College of Geographical Sciences, Fujian Normal University, Fuzhou, Fujian 350007, China
Abstract:
[Objective] To explore the effectiveness of sponge city construction and its key driving factors, in order to provide theoretical basis and policy guidance for sponge city construction in different areas in China. [Methods] The evaluation index system of sponge city construction was established from four aspects including water environment safety, the utilization of water resource, water pollution control and water habitat construction. According to the topography, climate and development scale, Beijing, Chongqing and Zhenjiang City were selected as the study areas. The change of sponge city construction and its key influencing factors was quantitatively analyzed by principal component analysis and fuzzy-gray comprehensive evaluation model. [Results] From 2006 to 2015, the index of sponge city construction showed an upward trend. Of all the sub-target layer construction indexes, only the water resources utilization index of Beijing and Chongqing City has decreased. [Conclusion] Chinese sponge city construction has achieved initial success, and urbanization is closely related to the change of sponge city construction index. The construction of sponge city in North China and East China should also strengthen the control of the reservoir volume per unit area and agricultural pollution load; and based on topographic analysis, the construction of sponge city in mountainous cities should also strengthen the control of water saving and domestic wastewater discharge.
Key words:  sponge city  evaluation index  fuzzy-gray comprehensive evaluation models  subregional control