|本期目录/Table of Contents|

[1]钱 会,李 健,窦 妍,等.布隆湖水化学成分的形成机制[J].地球科学与环境学报,2009,31(01):70-74.
　QIAN Hui,LI Jian,DOU Yan,et al.Formation Mechanisms of Water Composition of Bulong Lake[J].Journal of Earth Sciences and Environment,2009,31(01):70-74.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第31卷
期数:
2009年第01期
页码:
70-74
栏目:
水资源与地质工程
出版日期:
2009-03-15

文章信息/Info

Title:
Formation Mechanisms of Water Composition of Bulong Lake
文章编号:
1672-6561(2009)01-0070-05
作者:
钱 会1; 李 健1; 窦 妍1; 杨炳超2; 赵振宏2
(1.长安大学 环境科学与工程学院,陕西 西安 710054; 2.西安地质矿产研究所,陕西 西安 710054)
Author(s):
QIAN Hui1;  LI Jian1;  DOU Yan1;  YANG Bing-chao2;  ZHAO Zhen-hong2
(1.School of Environmental Sciences and Engineering, Chang'an University, Xi'an 710054, Shaanxi,China; 2.Xi'an Institute of Geology and Minerals Resources, Xi'an 710054, Shaanxi, China)
关键词:
布隆湖; 水文地球化学; 质量平衡模拟; 形成机制
Keywords:
Bulong Lake;  hydrogeochemistry;  mass balance model;  formation mechanism
分类号:
P641.3
DOI:
-
文献标志码:
A
摘要:
在对研究区地质及水文地质条件进行分析的基础上,根据对各类水样水质资料的分析,得出与补给水相比,布隆湖水中各组分含量普遍升高、TDS显著增大、水化学类型由HCO3·Cl型变为Cl·SO4·HCO3型、水质由良好的饮用水变为多种组分含量超标的不可饮水;认为布隆湖水的化学成分是在补给水化学成分的基础上,经过蒸发浓缩作用、溶解/沉淀及阳离子交替吸附作用而形成的。使用离子比值分析方法,估算出河水进入布隆湖后,蒸发比例高达71.43%,使各组分含量增大了约3.5倍;质量平衡模拟结果表明,形成湖水化学成分的主要化学作用是岩盐、石膏的溶解、方解石的沉淀以及CO2的逸出,此外还发生了少量的阳离子交替吸附作用。
Abstract:
On the basis of hydrogeological condition of the studied area, the characteristics of chemical composition of lake water, river water and groundwater are analyzed. Comparing with the recharge water, the main changes of the composition of Bulong Lake are the marked increase of TDS and the concentration of various species, as well as the change of water type from HCO3·Cl to Cl·SO4·HCO3. The causes of these changes are the lake water evaporation, dissolution/precipitation of minerals, and adsorption/desorption of cations. The ion ratio analysis is used to evaluate the proportion of lake water evaporation. The result shows as much as 71.43% water has been evaporated in the lake which makes the concentration of species in the lake increase 3.5 times. The calculated results of mass balance show the main chemical reactions in the formation of lake water composition are the dissolution of salt and gypsum, precipitation of calcite, outgasing of CO2, and some ion exchange reactions.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2008-09-20
基金项目: 国家自然科学基金项目(40772160); 中国地质调查局项目(1212010331302)
作者简介: 钱 会(1963-),男,陕西泾阳人,教授,博士研究生导师,理学博士,从事水文地质教学研究。E-mail:qianhui@chd.edu.cn

更新日期/Last Update: 2009-03-20