玉龙雪山周边典型河流雨季水化学特征分析

doi:10.13249/j.cnki.sgs.2011.06.734

地理科学 ›› 2011, Vol. 31 ›› Issue (6): 734-740.doi: 10.13249/j.cnki.sgs.2011.06.734

玉龙雪山周边典型河流雨季水化学特征分析

蒲焘¹, 何元庆^1,2, 朱国锋², 辛惠娟², 杜建括¹, 王淑新², 王世金²

1. 兰州大学西部环境与气候变化研究院, 甘肃兰州 730000;
2. 中国科学院寒区旱区环境与工程研究所冰冻圈科学国家重点实验室, 甘肃兰州 730000

收稿日期:2010-10-18 修回日期:2010-12-08 出版日期:2011-06-20 发布日期:2011-06-20
基金资助:
国家自然科学基金项目(40971019)、中国科学院"西部之光"人才培养计划"西部博士项目"(O828A11001)、国家重点基础研究发展规划(973)项目(2007CB411501)、中国科学院研究生科技创新与社会实践专项、冰冻圈科学国家重点实验室自主项目、国家自然科学基础人才培养基金冰川学冻土学特殊学科点项目 (J0630966)、国家自然科学基金项目(90511007,40801028)资助。

Hydrochemical Characteristics of Three Rivers Around Yulong Mountain in Rainy Season

PU Tao¹, HE Yuan-qing^1,2, ZHU Guo-feng², XIN Hui-juan², DU Jian-kuo¹, WANG Shu-xin², WANG Shi-jin²

1. Research School of Arid Environment and Climate Change, Lanzhou University, Lanzhou 730000, China;
2. State Key Laboratory of Cryospheric Sciences, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China

Received:2010-10-18 Revised:2010-12-08 Online:2011-06-20 Published:2011-06-20

摘要/Abstract

摘要： 2009 年5~10 月在玉龙雪山周边典型小流域白水河、三束河、哥吉河采集河水样品,水化学分析结果表明,三条河流河水均呈现弱碱性,主要离子组成表现为富集Ca²⁺+Mg²⁺和HCO₃^-+SO₄^2-,且以Ca²⁺和HCO₃^-为主,各类离子存在显著季节变化。离子来源分析表明,玉龙雪山周边小流域河水雨季主要受降水和岩石风化影响,大气降水对河水主要常规离子Na⁺、K⁺、Ca²⁺、Mg²⁺、SO₄^2-的贡献率为分别为23.44%,9.66%,3.10%,17.81%,10.48%。研究区碳酸盐岩的风化产物是河水离子组成的主要控制因素。

Abstract: In order to study the characteristics of hydrochemical composition in rivers, water samples were collected in Baishui, Sanshu and Geji hydrological stations around Yulong Mountain. The results indicated that water of the three rivers is mildly alkaline with rich with Ca²⁺ and HCO₃^-. Obvious variations have been perceived during the rainy season. According to sources study of major ions, water of the three rivers were mainly influenced by precipitation and rock weathering function. The proportions of Na⁺, K⁺, Ca²⁺, Mg²⁺ and SO₄^2- from precipitation in water are 23.44%, 9.66%, 3.10%, 17.81%, and 10.48%, respectively. In addition, the ion characteristics of river water were mainly influenced by carbonating weather. The human activities should not be ignored though its influence was little.

中图分类号:

P592

蒲焘, 何元庆, 朱国锋, 辛惠娟, 杜建括, 王淑新, 王世金. 玉龙雪山周边典型河流雨季水化学特征分析[J]. 地理科学, 2011, 31(6): 734-740.

PU Tao, HE Yuan-qing, ZHU Guo-feng, XIN Hui-juan, DU Jian-kuo, WANG Shu-xin, WANG Shi-jin. Hydrochemical Characteristics of Three Rivers Around Yulong Mountain in Rainy Season[J]. SCIENTIA GEOGRAPHICA SINICA, 2011, 31(6): 734-740.

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玉龙雪山周边典型河流雨季水化学特征分析

Hydrochemical Characteristics of Three Rivers Around Yulong Mountain in Rainy Season

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