[1]窦明,胡浩东,潘登,等.城市水源地深层承压水合理开采水位阈值研究[J].郑州大学学报(工学版),2020,41(05):60-65.[doi:10.13705/j.issn.1671-6833.2019.05.031]
　DOU Ming,HU Haodong,WANG Jihua,et al.Study on Rational Water Level Threshold of Deep Confined Water in Urban Water Sources[J].Journal of Zhengzhou University (Engineering Science),2020,41(05):60-65.[doi:10.13705/j.issn.1671-6833.2019.05.031]
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城市水源地深层承压水合理开采水位阈值研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
41卷
期数:
2020年05期
页码:
60-65
栏目:
出版日期:
2020-10-01

文章信息/Info

Title:
Study on Rational Water Level Threshold of Deep Confined Water in Urban Water Sources
作者:
窦明; 胡浩东; 潘登; 王继华
郑州大学水利与环境学院,河南郑州450001, 河南省地质环境监测院,河南郑州450011, 华北水利水电大学黄河科学研究院,河南郑州450045

Author(s):
DOU Ming1;  HU Haodong1;  WANG Jihua2;  HAN Yuping3;  PAN Deng2
1.College of Water Conservancy and Environment, Zhengzhou University, Zhengzhou 450001, China; 2.Geological Environmental Monitoring Institute of Henan Province, Zhengzhou 450011, China; 3.The Yellow River Institute of Science, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
关键词:
Keywords:
deep confined water;  numerical model of groundwater;  rational water level of confined water;  urban water sources
DOI:
10.13705/j.issn.1671-6833.2019.05.031
文献标志码:
A
摘要:
从中国城市水源地长期开采深层承压水存在的各种问题出发,提出了承压水合理开采水位概念及划定方法。以河南省西平县新建水源地为研究区,根据研究区实际条件建立地下水数值模型,通过地下水数值模拟方法确定不同开采情景下地下水位的变化情况,并利用地面沉降经验公式计算出研究区不同开采情景下的年均沉降速率,结合划定的水源地保护区边界,划定研究区城市水源地承压水合理开采水位。结果表明:在开采承压水的同时,为防止承压水开采引发严重的地面沉降,西平县新建水源地地下水平均开采强度应控制在18 200~33 400 m’/d; 以G06观测井为例,正常开采水位为27.58 m,限制开采水位为24.12 m,禁止开采水位为20.34 m,承压水合理开采水位阈值为20.34~27.58 m。
Abstract:
To explore the long-term exploitation of deep confined water in urban water sources in China, the concept and delineation method of rational water level for confined water were proposed. Taking the newly-built water source in Xiping County of Henan Province as the target area, the numerical model of groundwater was established according to the actual conditions of the study area. The groundwater level change under different scenarios was determined by groundwater numerical simulation method, and land subsidence of the study area was calculated by using the empirical formula. The amount of land subsidence under different scenarios, combined with the boundary of the designated water source protection area, delineated the rational water level of the confined water in the urban water source area of the study area. The results showed that while mining confined water, in order to prevent serious ground subsidence caused by the exploitation of confined water, the groundwater exploitation intensity of the newly-built water source in Xiping County should be controlled at 18 200-33 400 m3/d. Taking the G06 observation well as an example, the normal mining water level was 27.58 m, the restricted mining water level was 24.12 m, the prohibited mining water level was 20.34 m， and the threshold level of rational water level of confined water was 20.34-27.58 m.

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更新日期/Last Update: 2020-10-23