ISSN 1006-3021 CN11-3474/P
Published bimonthly started in 1979
河南嵩县北部基岩山区地下水水化学特征和环境同位素特征分析
  
关键词:bedrock mountain area  groundwater  hydrochemical characteristics  hydrogen and oxygen isotopes  tritium
基金项目:中国地质调查局地质调查项目“太行山区1:5万水文地质调查(9幅)”(编号: 12120114010801)
作者单位E-mail
李霞 北京师范大学水科学研究院
中国地质环境监测院 
lx2003cg@163.com 
陈文芳 河南省地质矿产勘查开发局第一地质环境调查院  
万利勤 中国地质环境监测院 wanlq@mail.cigem.gov.cn 
夏飞雪 河南省地质矿产勘查开发局第二地质环境调查院  
张一博 河南省地质矿产勘查开发局第一地质环境调查院  
袁梦丽 河南省地质矿产勘查开发局第一地质环境调查院  
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摘要:
An Analysis of Hydrochemical Characteristics and Environmental Isotopic Characteristics of the Groundwater in the Bedrock Mountain Area in Northern Songxian County, Henan Province
      The bedrock mountain area in the north of Songxian County is located in the south of eastern Xiong’er Mountain, with an uneven distribution of groundwater and surface water. With an aim to help water exploration for this region which lacks water supply, the authors conducted a study of groundwater characteristics and hydraulic relationships between recharge, runoff and discharge in the bedrock mountain area through field investigation and groundwater sampling. Hydrochemical and environmental isotopic compositions in different waters were determined from the results of water analysis of these samples. Temporal-spatial variations in these compositions indicate the recharge sources of the groundwater in this area and the interactions between the identified aquifers. The analysis of hydrochemical and environmental isotopes indicates that the primary recharge of the groundwater in this area is from precipitation, and the primary discharge results from human withdrawal. It is found that the bedrock fissure water can be classified into several types based on hydrochemistry; however, the loose rock pore water and the fissure-pore water in shallow or deep semi-consolidated strata mainly exist in Ca-HCO3 waters. It is also detected that the hydraulic connection between the loose rock pore water and the fissure-pore water in shallow semi-consolidated strata is strong, and the bedrock fissure water is interacted with modern water through water-conductive tectonic fractures, which is of significance in water exploitation. Nevertheless, the fissure-pore water in deep semi-consolidated strata participates weakly in the water cycle, which should be cautious in pumping. These findings could provide scientific basis and data for sustainable utilization of the groundwater in this water-lacking area.
LI Xia,CHEN Wen-fang,WAN Li-qin,XIA Fei-xue,ZHANG Yi-bo,YUAN Meng-li.2017.An Analysis of Hydrochemical Characteristics and Environmental Isotopic Characteristics of the Groundwater in the Bedrock Mountain Area in Northern Songxian County, Henan Province[J].Acta Geoscientica Sinica,38(3):403-412.
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