海绵城市建设地质适宜性评价——以郑州航空港经济综合实验区为例
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摘要
地质条件对海绵城市建设具有重要影响。本次研究以郑州航空港经济综合实验区为对象,在充分收集和整理该区地质调查数据基础上,分析影响海绵城市建设的地质要素,根据地表、包气带、浅层含水层系统的地质特征选取地形坡度、地表岩性、土壤环境质量、包气带渗透性、包气带厚度、含水层渗透性、含水层厚度、原生劣质水8个指标建立评价体系,利用层次分析法计算各指标权重,并对各单指标进行分级评分,借助Mapgis软件对各指标数据进行叠加分析。划定了郑州航空港经济综合实验区海绵城市建设地质适宜性分区,全区海绵城市建设地质适宜性好及较好区占26.41%,中等区占29.69%,适宜性较差及差区占43.60%。为郑州航空港经济综合实验区海绵城市建设提供地质依据。
Geological conditions usually have important impacts on the construction of sponge city. Taking the Zhengzhou Airport Economy Zone as a case study, the mechanism for geological conditions imapacts on the construction of sponge city is analyzed through processing of the urban geological survey data. On the basis of geological characteristic of the earth surface, vadose zone and aquifer, surface slope, surface formation lithology,soil environmental quality, vadose zone permeability, vadose zone thickness, aquifer permeability, aquifer thickness and raw inferior water has been established. Each factor is weighted with the analytic hierarchy process, graded according to national standards or the situation in the study area, and stacked with Mapgis. The conditions define the proper construction area for the sponge city. The results show that the suitable and almost suitable, medium suitable, and almost poor and poor suitable areas for sponge city construction are 26.41%,29.69% and 43.60% respectively in terms of the entire Zhengzhou Airport Economy Zone. The above conclusions could provide geological basis for the construction of the sponge city in Zhengzhou Airport Economy Zone.
Geological conditions usually have important impacts on the construction of sponge city. Taking the Zhengzhou Airport Economy Zone as a case study, the mechanism for geological conditions imapacts on the construction of sponge city is analyzed through processing of the urban geological survey data. On the basis of geological characteristic of the earth surface, vadose zone and aquifer, surface slope, surface formation lithology,soil environmental quality, vadose zone permeability, vadose zone thickness, aquifer permeability, aquifer thickness and raw inferior water has been established. Each factor is weighted with the analytic hierarchy process, graded according to national standards or the situation in the study area, and stacked with Mapgis. The conditions define the proper construction area for the sponge city. The results show that the suitable and almost suitable, medium suitable, and almost poor and poor suitable areas for sponge city construction are 26.41%,29.69% and 43.60% respectively in terms of the entire Zhengzhou Airport Economy Zone. The above conclusions could provide geological basis for the construction of the sponge city in Zhengzhou Airport Economy Zone.
引文
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[4]董淑秋,韩志刚.基于“生态海绵城市”构建的雨水利用规划研究[J].城市发展研究,2011,18(12):37-41
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[6]吴丹洁,詹圣泽,李友华,等.中国特色海绵城市的新兴趋势与实践研究[J].中国软科学,2016,(1):79-97.
[7]杨阳,林广思.海绵城市概念与思想[J].南方建筑,2015,(3):59-64.
[8]俞孔坚,李迪华,袁弘,等“.海绵城市”理论与实践[J].城市规划,2015,39(6):26-36.
[9]张旺,庞靖鹏.海绵城市建设应作为新时期城市治水的重要内容[J].水利发展研究,2014,14(9):5-7.
[10]张毅川,王江萍.国外雨水资源利用研究对我国“海绵城市”研究的启示[J].资源开发与市场,2015,31(10):1220-1223+1272.
[11]周迪.海绵城市在现代城市建设中的应用研究[J].安徽农业科学,2015,43(16):174-175.
[12]住房城乡建设部.海绵城市建设技术指南-低影响开发雨水系统构建[S].2014.
[13]谢纪海,彭汉发,夏冬生等.海绵城市建设地质条件适宜性研究—以武汉市都市发展区为例[J].探矿工程(岩土钻掘工程).2018,45(10):6-10.
[14]杨耀栋,孙占中,陈丽伟,等.天津矿山复垦土地地质环境质量评价方法[J].地质调查与研究,2014,37(1):68-76.
[15]郜洪强,樊延恩.层次分析法在垃圾填埋场适宜性评价中的应用[J].中国地质,2009,36(6):1433-1441.
[16]王兰化,张莺.层次分析-熵值定权法在城市建设用地适宜性评价中的应用[J].地质调查与研究,2011,33(4):305-312.