地学前缘 ›› 2020, Vol. 27 ›› Issue (3): 281-289.DOI: 10.13745/j.esf.sf.2020.4.40

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一种海绵城市社会效益计算方法:以天津大学北洋园校区为例

李萌萌1,2(), 郭祺忠3, 练继建1,2,4, 陈亮1,2,*()   

  1. 1.天津大学 建筑工程学院, 天津 300072
    2.天津大学 水利工程仿真与安全国家重点实验室, 天津 300072
    3.Department of Civil and Environmental Engineering, State University of New Jersey, Piscataway, NJ 08854, USA
    4.河北工程大学 水利水电学院, 河北 邯郸 056038
  • 收稿日期:2019-10-16 修回日期:2020-02-04 出版日期:2020-05-20 发布日期:2020-05-20
  • 通讯作者: 陈亮
  • 作者简介:李萌萌(1995—),女,硕士,研究方向为海绵城市。E-mail: 13512938672@sina.cn
  • 基金资助:
    国家重点研发计划项目(2016YFC0401405);国家自然科学基金项目(41772245)

A calculation method for assessing the social benefits of a sponge city: a case study for the Peiyang Park Campus, Tianjin University

LI Mengmeng1,2(), GUO Qizhong3, LIAN Jijian1,2,4, CHEN Liang1,2,*()   

  1. 1. School of Civil Engineering, Tianjin University, Tianjin 300072, China
    2. State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, China
    3. Department of Civil and Environmental Engineering, State University of New Jersey, Piscataway, NJ 08854, USA
    4. School of Water Conservancy & Hydropower, Hebei University of Engineering, Handan 056038, China
  • Received:2019-10-16 Revised:2020-02-04 Online:2020-05-20 Published:2020-05-20
  • Contact: CHEN Liang

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摘要：

海绵城市的社会效益是指海绵设施建成后对社会的贡献,其远大于海绵城市所产生的直接经济效益。但是,海绵城市的社会效益难以客观计算,这阻碍了人们对海绵城市的深入了解。因此,客观合理计算海绵城市的社会效益不仅可以反映海绵城市建设是否合理有效,也可为政策的制定提供参考。为此,本文提出一种将主观评价与客观计算相结合的海绵城市社会效益计算方法,通过对可客观计算的社会效益进行主观评价,利用客观计算的效益值将主观评价分值货币化,以此客观计算其他仅可主观评价的社会效益。文中以天津大学北洋园校区为例计算校区内海绵设施的社会效益,结果显示:该校区雨水花园、下凹式绿地和雨水湿地等5种海绵设施的社会效益为1.0~15.5元/(m2·a),植草沟为2.97元/(m·a)。其中,社会效益最高的是雨水湿地,下凹式绿地社会效益最低。根据天津大学北洋园校区各海绵设施建设面积,该校区海绵设施总社会效益约为232.8万元/a。

关键词: 海绵城市, 社会效益, 主观评价, 客观计算, 货币价值

Abstract:

The social benefits of a sponge city refer to its contribution to society such that sponge city facilities contribute far more than their direct economic benefit. However, the social benefits of a sponge city are difficult to calculate objectively, which hinders people's understanding of such cities. An objective calculation of the social benefits not only reflect whether sponge city facility constructions are cost-effective, but also provides a reference for government policy making. Therefore, we developed an objective calculation method combining subjective evaluation and objective calculation. By subjectively assessing social benefits that can be objectively calculated, the evaluation scores are used to calculate other social benefits that can only be evaluated subjectively. In this study, we tested our method on the sponge city facilities on the Tianjin University's Peiyang Park Campus. The results showed that the social benefits of sponge city facilities, including rainwater garden and wetland, recessed greenspace, vegetation buffer zone and permeable pavement, were 1.0-15.5 RMB/(m2·a), grass ditch was 2.97 RMB/(m·a). Among these facilities, rainwater wetland ranking the highest and recessed greenspace the lowest. For the Peiyang Park Campus, the total social benefits of sponge city facilities, according to the total construction area, is about 2.328 million RMB per year.

Key words: sponge city, social benefits, subjective assessment, objective evaluation, monetary value

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