| 穆兴平原北区浅层地下水水化学分布特征 及其形成机理 |
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| 引用本文： | 崔小顺,郑昭贤,程中双,苏 晨,李 壮,吴宇龙,陈宗宇. 穆兴平原北区浅层地下水水化学分布特征 及其形成机理[J]. 南水北调与水利科技（中英文）, 2018, 16(4): 146-142 |
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| 作者姓名： | 崔小顺 郑昭贤 程中双 苏 晨 李 壮 吴宇龙 陈宗宇 |
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| 作者单位： | 吉林大学环境与资源学院;吉林大学水资源与环境研究所;中国地质科学院水文地质环境地质研究所;中国地质大学(北京) |
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| 基金项目： | 中国地质调查局地质调查项目 ( DD20160311) ; 河北省自然科学基金项目 ( D2018504011) |
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| 摘 要： | 采用2016年8月采集的192个地下水样品水化学数据,查明了穆棱河—兴凯湖平原(穆兴平原)北区第四系浅层地下水溶解性总固体(TDS)和地下水化学类型分布特征,并结合研究区水文地质条件和人类活动影响分析其形成原因。结果表明:穆兴平原北区浅层地下水主要以TDS小于0.5g/L的淡水为主,未见TDS大于1.0g/L的微咸水。地下水TDS受含水介质、溶滤作用和地表水-地下水交互作用影响,在区内呈多种分带规律。区内浅层地下水化学类型不具备明显的水平分带规律,主要以HCO_3-Ca·Mg型水为主,与人为活动较少的20世纪60年代背景水化学类型(HCO_3-Ca·Na型水)对照,地下水中硫酸根、氯离子及镁离子的增加与煤矿开采、生活用水污染及大范围农业施肥等人类活动相关。
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| 关 键 词： | 溶解性总固体 水化学类型 水化学特征 跨界含水层 穆兴平原 |
Hydrochemical distribution characteristics of shallow groundwater in the north of Muling2Xingkai Plain and their formation mechanism |
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| CUI Xiaoshun,ZH ENG Zhaox ian,CHENG Zho ng shuang,SU Chen,LI Zhuang,WU Yulong,CH EN Zong yu. Hydrochemical distribution characteristics of shallow groundwater in the north of Muling2Xingkai Plain and their formation mechanism[J]. South-to-North Water Transfers and Water Science & Technology, 2018, 16(4): 146-142 |
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| Authors: | CUI Xiaoshun ZH ENG Zhaox ian CHENG Zho ng shuang SU Chen LI Zhuang WU Yulong CH EN Zong yu |
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| Affiliation: | ( 1. College of Environment and Resources, J ilin University , Changchun 130021, China; 2. I nstitute of Water Resources and Environment, J il in University , Changchun 130021, China; 3. I nstitute o f H y dr ogeology and E nviro nmental Geology , Chinese A cademy o f Geolo gical Science, Shij iaz huang 050061, China; 4. China University of Geosciences ( Beij ing), Beij ing 100083, China) |
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| Abstract: | We studied the distribution characteristics o f to tal disso lved so lids ( TDS) and hydro chemical ty pes of shallow gr ound2 w ater in the Muling2Xingkai Plain on the basis of analy zing 192 gr oundw ater samples. Then w e explo red the cause of fo rmatio n by co nsidering the hy drog eolog ical conditions and human act ivities. The results showed that the shallow gr oundwat er in the study ar ea w as mainly fresh w ater w ith T DS less than 01 5 g/ L, and ther e w as no saline g ro undwater w ith TDS higher than 11 0 g/ L. Influenced by aquifer medium, leaching, and g r oundwater2river interaction, the gr oundwat er TDS showed zonal distributio n in the study area. T her e w as no obvio us zo nal distribut ion r egularity o f the hy dr ochemical types in the study area. Nowadays, the HCO32Ca# Mg type water has r eplaced the H CO32Ca# Na ty pe w ater in the 1960 s ( considered as backg ro und water t ype) to become the common w ater ty pe in the study area. T he incr eases of sulfate ion, chlo ride io n, and mag nesium ion in g ro undw ater wer e mainly due t o coal mining, domestic w astewater po llution, and fertilizatio n |
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| Keywords: | total dissolved so lids hy dr ochemical ty pe hydrochemical characteristic t ransbo undar y aquifer Muling2Xingkai Plain |
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