Optimization Approach of Urban Green Space Based on Concept of“Sponge City”

CHEN Keke; HE Ruizhen; LIANG Tao; TIAN Guohang

doi:10.13961/j.cnki.stbctb.2016.03.045

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Optimization Approach of Urban Green Space Based on Concept of“Sponge City”

- Optimization Approach of Urban Green Space Based on Concept of“Sponge City”
- Bulletin of Soiland Water Conservation Vol. 36, Issue 3, Pages: 258-264(2016)
- 作者机构：
  
  河南农业大学林学院,河南,郑州,450002
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2016.03.045
  CLC：
- Published：2016
- 稿件说明：
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CHEN Keke, HE Ruizhen, LIANG Tao, et al. Optimization Approach of Urban Green Space Based on Concept of“Sponge City”[J]. Bulletin of Soiland Water Conservation, 2016, 36(3): 258-264.
DOI：

CHEN Keke, HE Ruizhen, LIANG Tao, et al. Optimization Approach of Urban Green Space Based on Concept of“Sponge City”[J]. Bulletin of Soiland Water Conservation, 2016, 36(3): 258-264. DOI： 10.13961/j.cnki.stbctb.2016.03.045.

摘要

［目的］分析城市绿地、汇水区与积水点的关系，需优化绿地与汇水区的关系，以期能够缓解城市雨水径流问题。［方法］融合“海绵城市”与国内外最新的生态雨洪管理理念，以郑州市为例，采用ArcGIS 10.0软件将其划分为93个汇水区，通过水量平衡法理论计算需优化绿地面积的参数。［结果］在现状绿地与汇水区面积比值不同和单次降雨分别为50，100，200 mm的情况下，得出需优化绿地与汇水区面积的不同比值，并建立相应的回归方程，且得出在绿地率为30%左右时绿地调蓄效果较好。［结论］城市绿地可以从增加城市绿地规模、合理布局城市绿地以及具体实施途径方面进行优化。

Abstract

[Object] To analyze the relationships among urban green space

catchment area and water point in order to relieve urban storm runoff.[Methods] Based on the latest concept of "sponge city" and ecological stormwater management

we took Zhengzhou City as a case study. The study area was divided into 93 catchment areas. By using water balance method

parameters of green space were calculated.[Results] We summarized the regression relationships between the existing green space and the catchment area

and obtained different green space/water catchment area ratios under different rainfall conditions(50

100 and 200 mm). The result showed that the regulation and storage effect was the best when the green space ratio was 30%.[Conclusion] Urban green space can be optimized by increasing urban green space scale

reasonable layout and the concrete implementation ways.

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