基于水足迹理论的水资源评价———以河北省张家口市宣化区为例
Assessing Water Resources Based on Theory of Water Footprint -A Case Study in Xuanhua District,Zhangjiakou City,Hebei Province
查看参考文献21篇
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文摘
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[目的]河北省张家口市是2022年北京冬季奥运会雪上项目的举办地,其中宣化区是当地重要工业区,对当地用水和水质有举足轻重的影响。对宣化区水资源情况进行分析,旨在保障冬奥会顺利进行。 [方法]采用水足迹理论对张家口市宣化区2007—2014年的农业、工业和生活用水情况进行分析,并结合水量、水质评价其水资源短缺状状况。[结果]①宣化区2007—2014年平均蓝水足迹5.77×10~7 m~3,且工业占比最大;绿水足迹年平均值为9.90×10~6 m~3,全部来源于农业。②以COD为主要污染物排放指标核算该地区灰水足迹,年平均灰水足迹为4.22×10~7 m~3。③根据年平均水量型缺水指标(Iblue为3.55)和年平均水质型缺水指标(Igrey为0.51)可知,宣化区属于严重水量型缺水地区,且水质型缺水情况日益明显。 [结论]从宣化区用水现状来看,当地亟需优化产业结构,提高非常规水源利用率,改善区域水资源治理模式。 |
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其他语种文摘
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[Objective]Zhangjiakou City of Hebei Province is the host city of snow events for the 2022Beijing Winter Olympic Games.Xuanhua District in Zhangjiakou City is an important industrial area that has a decisive influence on local water use and water quality.The analysis of water resources in Xuanhua District, is crucial for the smooth progress of the Winter Olympic Games.[Methods]This study analyzed water use of agricultural,industrial and daily life in Xuanhua District from 2007to 2014by using water footprint theory. [Results]① The average blue water footprint was 57.650million m~3,and industrial sector was the largest consumer.The average green water footprint was 9.900million m~3,and it all came from agricultural sector. ② The average grey water footprint was 42.235million m~3 based on the COD indicator.③ According to the average water quantity scarcity index (Iblueis 3.55)and the average water quality scarcity index (Igreyis 0.51),Xuanhua District was a serious water shortage area,and the water quality scarcity was getting worse. [Conclusion]According to the condition of water resources in Xuanhua District,it is urgent to optimize the industrial structure,improve the utilization rate of unconventional water resource and improve local water management strategies. |
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来源
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水土保持通报
,2018,38(5):213-219 【扩展库】
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DOI
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10.13961/j.cnki.stbctb.2018.05.034
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关键词
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水足迹理论
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水资源评价
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水量型缺水
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张家口市
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宣化区
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地址
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1.
北京林业大学自然保护区学院, 北京, 100083
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南方科技大学环境科学与工程学院, 广东, 深圳, 518055
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-288X |
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学科
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水利工程 |
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基金
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国家重大科技专项
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国家自然科学基金
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北京市自然科学基金
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文献收藏号
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CSCD:6369981
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