Study on the hydrochemical characteristics of Duliu River basin in Guizhou Province
ZUO Yu-zheng1,2, AN Yan-ling3, WU Qi-xin1,2,4, QU Kun-jie1,2, FAN Guang-hui1,2, YE Zu-xin1,2, QIN Ling1,2, QIAN Juan-ting1,2, Tu Cheng-long4
1. Key Laboratory of Karst Environment and Geohazard Prevention, Guizhou University, Guiyang 550025, China;
2. College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China;
3. Guizhou Institute of Technology, Guiyang 550003, China;
4. State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China
62 water samples were collected in wet and dry seasons in 2015 at Duliu River at Guizhou Province in southwest China.The water parameters and major ions were determined.The results showed that river water of Duliu River was alkaline,and the dominant cations and anions were Ca2+、Mg2+ and HCO3-、SO42-,respectively.The hydrochemical type was HCO3--Ca2+-Mg2+.Gibbs diagram,triangle diagrams and correlation analysis showed that the water chemistry was mainly controlled by the chemical weathering of carbonate at the upper reaches,while the silicates have an increasing influence at the lower reaches.The TDS decreased gradually in the mainstream of Duliu Basin due to lithology and geological landforms changes.Analyses of SO42-/Ca2+ and NO3-/Ca2+ show that Upper Duliu river was mainly affected by mining industries,while the downstream area was controlled by multifarious human activities such as agriculture and sewage.
左禹政, 安艳玲, 吴起鑫, 屈坤杰, 樊光辉, 叶祖鑫, 秦玲, 钱娟婷, 涂成龙. 贵州省都柳江流域水化学特征研究[J]. 中国环境科学, 2017, 37(7): 2684-2690.
ZUO Yu-zheng, AN Yan-ling, WU Qi-xin, QU Kun-jie, FAN Guang-hui, YE Zu-xin, QIN Ling, QIAN Juan-ting, Tu Cheng-long. Study on the hydrochemical characteristics of Duliu River basin in Guizhou Province. CHINA ENVIRONMENTAL SCIENCECE, 2017, 37(7): 2684-2690.
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