基于氢氧同位素与水化学的 潮白河流域地下水水循环特征

doi:10.11821/yj2007010002

地理研究 ›› 2007, Vol. 26 ›› Issue (1): 11-21.doi: 10.11821/yj2007010002

基于氢氧同位素与水化学的潮白河流域地下水水循环特征

宋献方¹, 李发东^1,2, 于静洁¹, 唐常源^1,2, 杨聪¹, 刘相超¹, 佐仓保夫², 近滕昭彦²

1. 中国科学院地理科学与资源研究所,陆地水循环及地表过程重点实验室,北京 100101;
2. 日本千叶大学,千叶 263-8522|
3. 重庆交通大学河海学院,重庆 400074

收稿日期:2006-04-08 修回日期:2006-07-05 出版日期:2007-01-25 发布日期:2007-01-25
作者简介:宋献方, (1965-),男,研究员,博士生导师。主要研究方向:流域水循环与水环境、环境同位素水文学。E-mail :songxf@igsnrr.ac.cn
基金资助:
中国科学院知识创新工程方向性项目(KZCX-SW-317);国家自然科学基金资助项目(40671034)资助。

Characteristics of groundwater cycle using deuterium, oxygen-18 and hydrochemistry in Chaobai River Basin

SONG Xian-fang¹, LI Fa-dong^1,2, YU Jing-jie¹, TANG Chang-yuan^1,2, YANG Cong¹, LIU Xiang-chao¹, Sakura Yasuo², Kondoh Akihiko²

1. Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, CAS,Beijing 100101, China;
2. Chiba University, Chiba 263-8522, Japan;
3. College of River and Ocean, Chongqing Jiaotong University, Chongqing 400074, China

Received:2006-04-08 Revised:2006-07-05 Online:2007-01-25 Published:2007-01-25
Supported by:
中国科学院知识创新工程方向性项目(KZCX-SW-317);国家自然科学基金资助项目(40671034)资助。

摘要/Abstract

摘要： 为了研究变化环境下潮白河流域地下水水循环规律,通过现场调查,结合环境同位素及水化学应用,对潮白河流域浅层和深层地下水采样,测定其氢、氧环境同位素及水化学成分,通过分析其变化特征判明地下水的补给来源以及各含水层的相互联系。降水和地下水中的环境同位素δD和δ¹⁸O组成分析表明,降水是山前地下水的主要补给源,山区浅层地下水受蒸发影响非常强烈。水化学研究结果表明,山区地下水水质以 Ca²⁺和 HCO^-₃为主,属Ca²⁺-Mg²⁺-HCO^-₃型地下水。山前地下水类型为Ca²⁺-Mg²⁺-HCO^-₃、 Na⁺-K⁺-HCO^-₃、Mg²⁺-Ca²⁺-HCO^-₃和 Ca²⁺-Mg²⁺-Cl^--SO^2-₄。平原区地下水为Mg²⁺, Na⁺和HCO^-₃。滨海冲积海积平原为Ca²⁺-Mg²⁺-HCO^-₃型和Ca²⁺-Mg²⁺-Cl^--SO^2-₄型地下水。水化学分析证实了越流补给的存在。Ca²⁺和 HCO^-₃离子均呈山区高、山前和平原低、而滨海增高的趋势。沿潮白河流向地下水类型变化为:Ca²⁺-Mg²⁺-HCO^-₃ Na⁺＝K⁺-HCO^-₃ Ca²⁺-Mg²⁺-HCO^-₃。

关键词: 氢氧同位素, 水化学, 地下水循环, 潮白河流域

Abstract: In order to study the formation and evolution law of groundwater quality in the Chaobai River Basin in the changing environment, groundwater in different layers was investigated and sampled to analyze their environmental isotope (hydrogen and oxygen-18) and hydrochemistry composition. The recharge source of groundwater and the relationship between aquifers can be identified by these results.The compositions of environmental isotope δD and δ¹⁸O of rainfall and of groundwater show that evaporation occurred to different degrees with rainfall recharging to the groundwater.The shorter the distance is to the Bohai Sea, the greater the groundwater affected by evaporation. The groundwater in plain was synthetically affected by different water sources.Rainfall was the main source of groundwater in piedmont, which was affected by evaporation strongly.Results of hydrochemical analysis showed that water quality in mountain groundwater was composed of Ca²⁺ and HCO^-₃, named as Ca²⁺-Mg²⁺-HCO^-₃ type. The piedmont groundwater belonged to Ca²⁺-Mg²⁺-HCO^-₃,Na⁺-K⁺-HCO^-₃,Mg²⁺-Ca²⁺-HCO^-₃ and Ca²⁺-Mg²⁺-Cl^--SO^2-₄ type, groundwater in plain to Mg²⁺, Na⁺ and HCO^-₃ type, and groundwater in alluvium-marine sediment plain near the Bohai Sea to Ca²⁺-Mg²⁺-HCO^-₃ type and Ca²⁺-Mg²⁺-Cl^--SO^2-₄type. The hydrochemistry verified the leakage recharge was assured. The anions were high in mountainous region, low in piedmont and plain, and rose near the Bohai Sea. The groundwater type along the flow direction of the Chaobai River Basin was Ca²⁺-Mg²⁺-HCO^-₃ Na⁺-K⁺-HCO^-₃ Ca²⁺-Mg²⁺-HCO^-₃. Based on these results, a concept model of groundwater formation and water quality evolution in the Chabai River Basin was set up. The research provided scientific basis for reasonably developing groundwater in this region.

Key words: deuterium, oxygen-18, hydrochemistry, groundwater cycle, Chaobai River Basin

宋献方, 李发东, 于静洁, 唐常源, 杨聪, 刘相超, 佐仓保夫, 近滕昭彦. 基于氢氧同位素与水化学的潮白河流域地下水水循环特征[J]. 地理研究, 2007, 26(1): 11-21.

SONG Xian-fang, LI Fa-dong, YU Jing-jie, TANG Chang-yuan, YANG Cong, LIU Xiang-chao, Sakura Yasuo, Kondoh Akihiko. Characteristics of groundwater cycle using deuterium, oxygen-18 and hydrochemistry in Chaobai River Basin[J]. GEOGRAPHICAL RESEARCH, 2007, 26(1): 11-21.

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基于氢氧同位素与水化学的潮白河流域地下水水循环特征

Characteristics of groundwater cycle using deuterium, oxygen-18 and hydrochemistry in Chaobai River Basin

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基于氢氧同位素与水化学的 潮白河流域地下水水循环特征

Characteristics of groundwater cycle using deuterium, oxygen-18 and hydrochemistry in Chaobai River Basin

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基于氢氧同位素与水化学的潮白河流域地下水水循环特征