桂林毛村岩溶地下河二十多年来的水质演化趋势研究

唐 伟; 裴建国; 殷建军; 林玉石; 蒲俊兵; 汪智军; 朱 琴

doi:10.3969/j.issn.1001-4810.2010.03.017

桂林毛村岩溶地下河二十多年来的水质演化趋势研究

doi: 10.3969/j.issn.1001-4810.2010.03.017

1.
西南大学地理科学学院；中国地质科学院岩溶地质研究所、国土资源部岩溶动力学重点实验室
2.
中国地质大学（北京）水资源与环境学院；中国地质科学院岩溶地质研究所、国土资源部岩溶动力学重点实验室
3.
中国地质科学院岩溶地质研究所、国土资源部岩溶动力学重点实验室
4.
西南大学地理科学学院
5.
桂林理工大学环境科学与工程学院

基金项目: 国家自然科学基金（编号40772164）、广西科技厅（10-046-18）

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出版历程
- 收稿日期: 2010-03-13
- 发布日期: 2010-09-25

Water quality evolution tendency in Maocun karst underground river in Guilin for the past more than 20 years

1.
School of Geographical Sciences, Southwest University；Institute of Karst Geology, CAGS, Karst Dynamics Laboratory, MLR
2.
School of Water Resources and Envionment, China University of Geosciences；Institute of Karst Geology, CAGS, Karst Dynamics Laboratory, MLR, Guilin
3.
Institute of Karst Geology, CAGS, Karst Dynamics Laboratory, MLR, Guilin
4.
School of Geographical Sciences, Southwest University
5.
College of Envirenmental Science and Engineering, Guilin University of Technology

摘要

摘要: 利用桂林毛村地下河1983年、2007年、2008年和2009年的水化学监测数据和地下水水质资料，研究了地下河二十多年前后的主要离子浓度变化及其形成原因，并在水质评价的基础上预测其水质演化趋势。地下水地球化学分析表明：（1）地下河水中绝大部分离子和指标符合地下水质量标准（GB/T14848-93）规定的Ⅰ、Ⅱ类水质标准，地下水质量较好，但由于土地利用方式以及气候等自然条件的变化，一些离子浓度有所升高，水质有受污染倾向。（2）升高较显著的为Cl-、NO3-、SO42-、Mg2+、TFe、K+、pH值、 Na+、电导率（Ec）、总溶解固体(TDS)、总硬度（TH）和碱度(Alk)。（3）地下水离子浓度的变化主要受人类活动和气候、水—岩地质作用过程的共同影响。
- 岩溶地下河 /
- 离子浓度变化 /
- 水质 /
- 演化趋势 /
- 桂林毛村
Abstract: In light of the hydrochemistry and water quality monitoring data in 1983, 2007, 2008 and 2009 in Maocun underground river, variation of the major ions’ concentration in wet and dry seasons for the past more than 20 years are studied, and the water quality evolution trend is predicted on the basis of the water quality assessment. Underground river geochemical analysis shows that most of ions and index accord with standards Ⅰand Ⅱ prescribed by Groundwater Quality Standard（GB/T14848—93）,water quality is comparatively good. However, the ion concentration is increasing generally because of change in land use, climate and other natural conditions, and the water quality is getting worse correspondingly. Among them, Cl-, NO3-, SO42-, Fe3+, K+, pH, Na+, E, TDS, total hardness, temporary hardness，permanent hardness and total alkalinity have increased remarkably. Human activities and climate as well as geologic processes between water and rock interaction contribute to ions concentration change，and human activity is the main influencing factor.
- karst underground river /
- ion concentration change /
- water quality /
- evolution tendency /
- Maocun, GuiLin

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