河水化学离子成因及影响因素的因子分析探讨

广西师范大学学报（自然科学版） ›› 2013, Vol. 31 ›› Issue (2): 123-132.

河水化学离子成因及影响因素的因子分析探讨

张春来^1,2, 曹建华^1,2, 刘晓华³, 卢茜²

1.国土资源部广西岩溶动力学重点实验室(中国地质科学院岩溶地质研究所),广西桂林541004;
2.联合国教育科学及文化组织国际岩溶研究中心,广西桂林541004;
3.广西师范大学数学科学学院,广西桂林541004

收稿日期:2013-04-02 出版日期:2013-06-20 发布日期:2018-11-26
通讯作者: 张春来(1984—),男,河南杞县人,中国地质科学院岩溶地质研究所助理研究员。E-mail:chlzhang@karst.ac.cn
基金资助:
国家自然科学基金资助项目(41202184);中国地质调查项目(12120113005300);国土资源部公益性行业科研专项基金(201211086-05);广西重点实验室专项基金(12-071-07);中国地质科学院岩溶地质研究所基金(D201306)

Origin and Influencing Factors of Hydrochemical of River Ion by Factor Analysis

ZHANG Chun-lai^1,2, CAO Jian-hua^1,2, LIU Xiao-hua³, LU Qian²

1.Karst Dynamics Laboratory,Ministry of Land and Resources,Guangxi,China (Institute of Karst Geology, Chinese Academy of Geological Sciences),Guilin Guangxi 541004,China;
2.International Research Center on Karst under the Auspices of UNESCO,Guilin Guangxi 541004,China;
3.Collegeof Mathematical Sciences, Guangxi Normal University,Guilin Guangxi 541004,China

Received:2013-04-02 Online:2013-06-20 Published:2018-11-26

摘要/Abstract

摘要： 因子分析通过提取影响水化学场形成的主要因素,定量研究流域内岩石风化等对河水化学离子的影响程度,从而对河水溶解质综合分析,反映水化学形成及变化规律。对朝鲜半岛汉江流域前人已发表的数据进行因子分析,研究南北支流水化学的主控因素及其影响程度,结果显示:岩溶作用是汉江流域重要的风化过程,对南北汉江河水溶解质贡献率分别为41.83%和43.15%;硅酸岩类的风化作用较弱,对南北汉江河水溶解质贡献率分别为13.94%和12.12%;人类活动和大气沉降对汉江水化学贡献较大,对南北汉江河水溶解质贡献率分别为29.37%和37.14%。硫酸对南北汉江岩石风化的贡献分别为68%和95%,硝酸参与了南汉江流域的岩石风化。硫酸和硝酸在岩石风化吸收大气CO₂中的作用及其对通量计算的影响应引起注意。综合因子得分和总溶解固体浓度有很好相关性,因子分析结果很好地反映了研究区的实际情况。汉江河水离子在空间分布上受地质背景控制,在时间上受降雨等气候变化影响。

关键词: 水化学, 因子分析, 汉江, 岩石化学风化

Abstract: Factor analysis was used to analyze the river dissolve material comprehensively in order to find out the main factors that affects hydrochemical field formation,quantify river chemical ions which affected by watershed rocks weathering,and to reflect the formation and variation of water chemistry.This research studied the main controlling factors of the water chemistry innorth-south tributary of Han River,Korean Peninsula.The data were sampled in 2000(summer and winter),2001(spring) and 2006(summer and winter).The resultsshow that:Karstification is an important weathering process of the Han River watershed,which contributes 41.83% and 43.15% of dissolved matter to the northernand southern Han River respectively;silicate rocks weathering was weak in both north and south Han river,which contribute 13.94% and 12.12% of dissolved matterrespectively;human activities and atmospheric deposition contributes 29.37% and37.14% of dissolved matter to north and south Han River respectively.68% and 95%of sulfate were eroded in rock weathering in the north and south Han River watershed respectively.Furthermore,nitric acid has accelerated the rock weathering of the South Han River.Sulfuric acid and nitric acid play an important role in the carbon sink flux reduction by absorbing atmospheric CO₂ during silicate andcarbonate rock weathering.The comprehensive factor score and total dissolved solids concentration show a good correlation and the result of the factor analysishas accurately reflected the actual situation of the study area.It is also foundthat spatial distribution of the ions in Han River was controlled by geologicalbackground,and the temporal variation was controlled by climate change such asrain fall and so on.

Key words: hydrochemistry, factor analysis, Han River, rock chemical weathering

中图分类号:

P592

张春来, 曹建华, 刘晓华, 卢茜. 河水化学离子成因及影响因素的因子分析探讨[J]. 广西师范大学学报（自然科学版）, 2013, 31(2): 123-132.

ZHANG Chun-lai, CAO Jian-hua, LIU Xiao-hua, LU Qian. Origin and Influencing Factors of Hydrochemical of River Ion by Factor Analysis[J]. Journal of Guangxi Normal University(Natural Science Edition), 2013, 31(2): 123-132.

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