绿化屋面的水文水质特征分析

王江海; 张新波; 赵新华

doi:10.13961/j.cnki.stbctb.2014.03.044

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绿化屋面的水文水质特征分析

试验研究

- 绿化屋面的水文水质特征分析
- Characters of Hydrology and Water Quality of Green Roof
- 水土保持通报 2014年33卷第3期页码：223-226
- 作者机构：
  
  1. 天津大学环境科学与工程学院,天津,300072
  2. 天津城建大学环境与市政工程学院,天津,300384
- 作者简介：
- 基金信息：
  
  天津市科技创新专项资金项目"生态校园水资源综合利用成套技术示范工程"(08FDZDSF03200)
- DOI：10.13961/j.cnki.stbctb.2014.03.044
  中图分类号：
- 纸质出版：2014
- 稿件说明：
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王江海, 张新波, 赵新华. 绿化屋面的水文水质特征分析[J]. 水土保持通报, 2014,33(3):223-226.

WANG Jiang-hai, ZHANG Xin-bo, ZHAO Xin-hua. Characters of Hydrology and Water Quality of Green Roof[J]. Bulletin of Soiland Water Conservation, 2014, 33(3): 223-226.
王江海, 张新波, 赵新华. 绿化屋面的水文水质特征分析[J]. 水土保持通报, 2014,33(3):223-226. DOI： 10.13961/j.cnki.stbctb.2014.03.044.

WANG Jiang-hai, ZHANG Xin-bo, ZHAO Xin-hua. Characters of Hydrology and Water Quality of Green Roof[J]. Bulletin of Soiland Water Conservation, 2014, 33(3): 223-226. DOI： 10.13961/j.cnki.stbctb.2014.03.044.

摘要

通过人工搭建绿化屋面装置

重点研究了绿化屋面的径流削减率、产流过程和出水水质3个方面。结果表明

绿化屋面的径流削减率符合一定的阶段性计算公式;绿化屋面产流过程中的径流总量、前期削减量和后期削减量三者与基质层高度呈现不同的线性相关性;绿化屋面能够有效降低雨水中的总氮浓度和COD浓度

但氨氮浓度和总磷浓度有所升高;最后

综合水文和水质两方面

建议绿化屋面基质层高度范围是10-20 cm。

Abstract

Green roof is capable of significantly reducing rainwater volume and purifying rainwater quality. It has become one of the important strategies to solve urban floods. This study investigated the ratio of runoff retention

effluent process and effluent water quality by building pilot scale facilities. Results from the experiment confirmed that the ratio of runoff retention is accordance with a certain periodic formula; the total runoff volume

the amount of previous reduction and later reduction have different linear correlations with the thickness of substrate layer; and green roof is capable of significantly reducing the concentrations of TN and COD

but the concentrations of NH4-N and TP in runoff from green roof are higher relatively. Finally

this study recommends that the optimal range of the thickness of substrate layer is 10-20 cm by integrating the two aspects of hydrology and water quality.

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references

Berndtsson J C. Green roof performance towards management of runoff water quantity and quality:A review[J]. Ecological Engineering, 2010,36(4):351-360.

Mentens J, Raes D, Hermy M. Green roofs as a tool for solving the rainwater runoff problem in the urbanised 21st century[J]. Landscape Urban Plan, 2006,77(3):217-226.

Hilten R N, Lawrence T M, Tollner E W. Modeling stormwater runoff from green roofs with HYDRUS-1D[J]. Journal of Hydrology, 2008,358(3/4):288-293.

Berndtsson J C, Bengtsson L, Jinno K. Runoff water quality from intensive and extensive vegetated roofs[J]. Ecological Engineering, 2009,35(3):369-380.

Teemusk A, Mander V. The influence of green roofs on runoff water quality:A case study from Estonia[J]. Water Resources Management, 2011,25(14):3699-3713.

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王书敏,何强,张峻华,等.绿色屋顶径流氮磷浓度分布及赋存形态[J].生态学报,2012,32(12):3691-3700.

Villarreal E L, Bengtsson L. Response of a sedum green-roof to individual rain events[J]. Ecological Engineering, 2005,25(1):1-7.

张杏娟,程方,王秀朵.天津平顶沥青屋面径流雨水污染特征分析[J].天津城市建设学院学报,2011,17(3):212-215.

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