东天山北麓平原区地下水化学特征研究
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摘要
通过分析东天山北麓平原区160组地下水化学样品检测结果,采用舒卡列夫分类法和Piper三线图解法,研究了地下水化学分带特征。南部山前冲洪积砾质平原地下水化学类型为HCO_3·SO_4型,中部细土平原逐渐向SO_4·HCO_3型过渡,北部沙漠区以SO_4·Cl型为主,地下水溢出带为Cl·SO_4型。根据水化学剖面分析地下水各组分含量在径流途经中的变化趋势,分析结果表明,沿地下水径流方向由南向北,地下水中的硫酸盐、氯化物和钠都呈现出逐渐增大的变化规律,导致了水中溶解性总固体逐渐增大,水质逐渐变差。
Based on the analysis of the detection results of 160 groups of groundwater chemical samples in the plain at the northern foot of Dong Tians mountain, the characteristics of groundwater chemical zonation were studied by using Shug Kalev classification and Piper trigraph method. The chemical type of groundwater in the southern piedmont alluvial gravel plain is HCO_3·SO_4, the middle fine soil plain gradually turns to SO_4·HCO_3, the northern desert area is dominated by SO_4·Cl, and the groundwater overflow zone is Cl·SO_4. According to the hydrochemistry profile analysis of the variation trend of the content of various components in the groundwater in the runoff path, the analysis results show that along the direction of groundwater runoff from south to north, the sulfate, chloride and sodium in the groundwater show a gradual increase in the change law, resulting in the total dissolved solids in the water gradually increased, the water quality gradually deteriorated.
Based on the analysis of the detection results of 160 groups of groundwater chemical samples in the plain at the northern foot of Dong Tians mountain, the characteristics of groundwater chemical zonation were studied by using Shug Kalev classification and Piper trigraph method. The chemical type of groundwater in the southern piedmont alluvial gravel plain is HCO_3·SO_4, the middle fine soil plain gradually turns to SO_4·HCO_3, the northern desert area is dominated by SO_4·Cl, and the groundwater overflow zone is Cl·SO_4. According to the hydrochemistry profile analysis of the variation trend of the content of various components in the groundwater in the runoff path, the analysis results show that along the direction of groundwater runoff from south to north, the sulfate, chloride and sodium in the groundwater show a gradual increase in the change law, resulting in the total dissolved solids in the water gradually increased, the water quality gradually deteriorated.
引文
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[2]沈照理,朱宛华,等.水文地球化学基础[M].北京:地质出版社.1993.
[3]苏春利,王焰新.大同盆地孔隙地下水化学场的分带性规律研究[J].水文地质工程地质.2008(1):83-89.
[4]李文鹏,郝爱兵.中国西北内陆干旱盆地地下水形成演化模式及其意义[J].水文地质工程地质.1999.26(4):28-36.
[5]Stuyfzand P J.Patterns in ground water chemistry resulting from ground flow[J].Hydrogeol.J.,1999,7:15-27.
[6]Toth J.Groundwater as a geologic agent:an overview of the causes,processes and manifestations[J]. Hydrogeol.J.,1999,7:1-14.
[7]Faure G.Principles and Applications of Geochemistry:A Comprehensive Textbook for Geology Students[M]. New Jersey:Prentice Hall,Upper Saddle River,1998.
[8]张应华,仵彦卿,苏建平,等.额济纳盆地地下水补给机理研究[J].中国沙漠.2006.26(1):96-102.
[9]窦妍,侯广才,钱会,等.干旱-半干旱地区地下水水文地球化学演化规律研究[J].干旱区资源与环境.2010.(3):88-92.
[10]李潇瀚,张翼龙,王瑞,等.呼和浩特盆地地下水化学特征与成因[J].南水北调与水利科技.2018.16(4):136-145.
[11]REDDYAGS,KUMARKN.Identification of the hydrogeochemical processes in groundwater using major ion chemistry: a case study of Penna Chitravathi River basins in Southern India[J].Environmental Monitoring and A ssessment,2010,170(1-4):365-382.
[12]栾风娇,周金龙,贾瑞亮,等. 新疆巴里坤-伊吾盆地地下水水化学特征及成因[J].环境化学.2017.36(2):380-389.
[13]王晓曦,王文科,王周锋,等.滦河下游河水及沿岸地下水水化学特征及其形成作用[J].水文地质工程地质.2014.41(1):25-33,73.
[14]王涛,徐明.天山北坡经济带东段浅层地下水固有脆弱性评价[J].水资源保护.2017.33(1):41-45.
[15]周晓燕.新疆准噶尔盆地地下水含水层系统边界及划分[J].地下水.2015.37(1):37-38.
[16]王涛,徐明,许雷涛,等.新疆准东能源基地水文地质环境地质调查[R].乌鲁木齐:新疆维吾尔自治区地质环境监测院.2016.
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