HUANGYue,LIUGuang-qi.Comprehensive Evaluation and Spatial-temporal Distribution Characteristics of Drainage System in China[J].China Water & Wastewater,2023,39(2):26-31.
我国城镇排水系统综合评价及时空分异特征
- Title:
- Comprehensive Evaluation and Spatial-temporal Distribution Characteristics of Drainage System in China
- 摘要:
- 排水系统建设对城镇安全发展具有重要影响。应用变异系数法对2015年—2019年间我国城镇排水系统进行综合评价，分析其时间演变规律和空间分布特征，为城乡统筹下的排水系统建设发展提供建议。分析结果表明，我国城镇排水系统总体进展较大，发展日趋均衡，但各个地区之间的发展阶段不一，特征差异显著；排水系统作为一个有机整体，收集和处理设施建设的无序化会极大制约系统的整体性能提升；系统发展水平空间分异特征显著，总体呈东高西低、南高北低的特征，与地区经济水平空间分布大致吻合。
- Abstract:
- The construction of drainage system has an important impact on the safety and development of cities and towns. The coefficient of variation method was applied on the comprehensive evaluation of the drainage system in China from 2015 to 2019, and the spatial-temporal distribution characteristics were analyzed to provide a guide of the drainage system. The results show that drainage system of cities and towns in China has generally made a rapid and balanced development, while the development stage varies among regions with significant differences in characteristics. In addition, the disorderly construction of collection and treatment facilities greatly restricts the overall performance of the drainage system. Spatial distribution characteristics of the system development significantly shows that the development level is high in the east and low in the west, and high in the south and low in the north, coinciding with the spatial distribution of regional economic levels.
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