刘瑞平,徐友宁,亢文婷.基于phreeqci和netpath联合反演水文地球化学过程——以小秦岭太峪水库为例[J].西北地质,2019,52(1):239-243
基于phreeqci和netpath联合反演水文地球化学过程——以小秦岭太峪水库为例
Based on Phreeqci and Netpath Joint Inversion Hydrology Geochemistry Process: Example from the Xiaoqinling Tianyu Reservoir
投稿时间:2018-01-23  修订日期:2018-08-05
DOI:10.19751/j.cnki.61-1149/p.2019.01.022
中文关键词:  小秦岭太峪水库;水文地球化学;质量平衡模拟;phreeqci;netpath
英文关键词:Xiaoqinling Taiyu reservoir;hydrogeochemistry;mass balance model;phreeqci;netpath
基金项目:国土资源部地质调查项目“秦岭及宁东矿产资源集中开采区地质环境调查(DD20160336)”;2015年度陕西省自然科学基础研究计划项目“金矿区水气界面发生交换作用下的河流汞迁移转化规律研究(2015JM4129)”;2016年中央高校科研业务费基础研究计划项目(开放基金)“金矿区不同转化类型潜流带中挥发性Hg的运移关键参数测定与影响因素研究(310829161128)”;黄土地质灾害重点实验室;矿山地质环境——陕西潼关野外基地联合资助
作者单位E-mail
刘瑞平 中国地质调查局西安地质调查中心, 陕西 西安 710054  
徐友宁 中国地质调查局西安地质调查中心, 陕西 西安 710054  
亢文婷 内蒙古水利设计院, 内蒙古 呼和浩特 010010 543957496@QQ.com 
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中文摘要:
      为了研究超基性岩区山区河流水化学形成机制,笔者以小秦岭金矿区太峪水库为解剖对象,通过水文地质条件调查与测试数据的分析可知,太峪水库中水化学组分含量虽然较上游河水补给区并非普遍升高,但是矿化度有所增加,且水化学类型为HCO3·SO4-Ca.Mg,水文地球化学演化过程基于两方面化学反应和蒸发作用,以化学反应为主。①基于phreeqci正演计算了各水样点矿物饱和指数,利用netpath模拟水质质量平衡反演拟合,得出水库水质发生了Ca/Na交换和矿物溶解和沉淀作用。而水化学作用主要包括岩盐、石膏、方解石的溶解以及超基性岩矿物成分的沉淀。②通过蒸发作用使各组分质量浓度增大0.23倍。
英文摘要:
      In order to study the hydrochemistry formation mechanism of mountainous rivers in Xiaoqinling, the Taiyu reservoir in Tongguan area has been taken as a research example, the hydrogeological condition investigation has been carried out and the test data has been analyzed. The results show that the chemical components of upper valley reservoir water in recharge area is not generally increases, but its salinity increases, with the hydrochemical types of HCO3·SO4-Ca and Mg. And the hydrogeochemical evolution process is based on the two aspects of chemical reaction and evaporation, which is dominated by the chemical reaction. ①The mineral saturation indexes of all sample points have been calculated by Phreeqci method, while the water mass balance has been simulated by the Netpath method. And then, it is concluded that the reservoir water quality happened Ca/Na exchange and mineral dissolution and precipitation. And the water chemistry includes the dissolution of halite, gypsum, calcite and the precipitation of ultrabasic rock mineral composition. ②The quality of components has increased 0.23 times through evaporation concentration.
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