Risk Assessment of Water Supply and Demand for Urban Greening in Beijing City

SUN Hong; MI Feng; TIAN Ming-hua; PENG Qiang

doi:10.13961/j.cnki.stbctb.20140928.002

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Risk Assessment of Water Supply and Demand for Urban Greening in Beijing City

- Risk Assessment of Water Supply and Demand for Urban Greening in Beijing City
- Bulletin of Soiland Water Conservation Vol. 33, Issue 5, Pages: 153-157(2014)
- 作者机构：
  
  1. 北京林业大学经济管理学院,北京,100083
  2. 北京市园林绿化局,北京,100029
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.20140928.002
  CLC：
- Published：2014
- 稿件说明：
移动端阅览
SUN Hong, MI Feng, TIAN Ming-hua, et al. Risk Assessment of Water Supply and Demand for Urban Greening in Beijing City[J]. Bulletin of Soiland Water Conservation, 2014, 33(5): 153-157.
DOI：

SUN Hong, MI Feng, TIAN Ming-hua, et al. Risk Assessment of Water Supply and Demand for Urban Greening in Beijing City[J]. Bulletin of Soiland Water Conservation, 2014, 33(5): 153-157. DOI： 10.13961/j.cnki.stbctb.20140928.002.

摘要

北京市水资源短缺的问题已成为制约社会经济发展和影响社会稳定的重要因素之一

因此

如何协调北京市城市绿化与水资源的合理有效利用问题亟需得到解决。基于北京市城市绿化现状及水资源利用现状

采用尺度扩展法

计算了2012年北京市城市绿化的生态需水量

并结合北京市有效降雨利用量和实地调查数据

求得2012年北京市城市绿化的理论供水量和实际供水量。在此基础上

利用灰色马尔科夫链模型与熵值法对北京市城市绿化供水的3种来源(地表水、地下水、再生水)做出评估

得出2014年实际供水量预测值区间。2012年北京市理论供水量为5.07×10

实际供水量为6.86×10

。2014年预测实际供水量区间为7.29×10

~7.93×10

。评估结果表明

北京市仍存在城市绿化用水供需风险问题

并据此提出相关节水措施和建议

为保障北京城市供水安全与水资源可持续利用相关研究提供参考和借鉴。

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references

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