石羊河流域多水体酸根离子特征及影响因素

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Abstract From July 2014 to June 2015, precipitation, surface water and groundwater samples were collected in Shiyang River Basin. The main acid ion contents in the samples were analyzed by ion chromatograph. The characteristics of acid ions in different water bodies of Shiyang River basin, seasonal differentiation and its influencing factors were studied. The results shown that all water samples were mildly alkaline and the acid radical ions consisted of SO₄^2- and HCO₃^- as dominant ions, which accounted for 38.68% and 33.49% of total anion, respectively. Obvious variations have been perceived during different seasons, which the highest anion content was in spring and the lowest value in summer. Seasonal variation of groundwater was smaller than that of surface water. The concentration of acid root ion in surface water is much lower than that of groundwater. The weathering of carbonate and the dissolution of evaporite were the main sources of acid ion. In addition, the human activities have caused mild pollution to the water body of the Shiyang River Basin.

Key words： Shiyang River Basin acid anion hydrochemical characteristics anion sources

Received: 28 September 2017

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	Articles by authors
	ZHU Guo-feng
	PAN Han-xiong
	ZHANG Yu
	HE Yuan-qing
	GUO Hui-wen
	YANG Ling
	YANG Jian-xia
	MA Hui-ying
	HUANG Mei-hua
	XIANG Juan

Cite this article:

ZHU Guo-feng,PAN Han-xiong,ZHANG Yu等. Hydrochemical characteristics and control factors of acid anion in Shiyang River Basin[J]. CHINA ENVIRONMENTAL SCIENCECE, 2018, 38(5): 1886-1892.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2018/V38/I5/1886

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