Characteristics and environmental significance of Ca, Mg, and Sr in the soil infiltrating water overlying the Furong Cave, Chongqing, China
Li, JY (Li JunYun)[ 1 ]; Li, TY (Li TingYong)[ 1,2 ]; Wang, JL (Wang JianLi)[ 1 ]; Xiang, XJ (Xiang XiaoJing)[ 1 ]; Chen, YX (Chen YunXuan)[ 1 ]; Li, X (Li Xuan)[ 1 ]
2013-11-26
发表期刊SCIENCE CHINA-EARTH SCIENCES
卷号56期号:12页码:2126-2134
文章类型期刊论文
摘要

This paper explores the influence of the local meteoric conditions, the overlying soil on the concentrations of Ca, Mg, and Sr, and the ratios of Mg/Ca, Sr/Ca, and Mg/Sr in soil infiltrating water (SIW). An in situ monitoring program was carried out above the Furong Cave throughout 2010 to collect data on SIW, monthly temperature and rainfall, and the geochemical composition and granularity of soils. The discharge of SIW responded quickly to the local rainfall, and its residence time was the primary factor affecting the Ca, Mg, and Sr content of the SIW. The high concentrations of Ca, Mg, and Sr in the SIW during April should be attributed primarily to the prolonged residence of SIW in the soil during the local dry seasons of winter and early spring. The maximum Mg/Sr ratio also occurred in April. The ratio of Mg/Ca in SIW is positively correlated with prolonged residence time and with high temperatures, which do not strongly affect the ratio of Sr/Ca. The Mg/Ca ratio was lowest when the Sr/Ca ratio was highest because plant metabolism increased the absorption of Ca and Mg, but not Sr, and also because higher temperatures enhanced the dissolution of Mg more than that of Sr. These different responses of Mg and Sr to temperature increases resulted in high Mg/Sr ratios during July and August.

DOI10.1007/s11430-013-4705-3
收录类别SCI ; EI
语种英语
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9936
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Li, TY (Li TingYong)[ 1,2 ]
作者单位1.Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environment, School of Geographical Sciences, Southwest University,Chongqing 400715, China;
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China
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GB/T 7714
Li, JY ,Li, TY ,Wang, JL ,et al. Characteristics and environmental significance of Ca, Mg, and Sr in the soil infiltrating water overlying the Furong Cave, Chongqing, China[J]. SCIENCE CHINA-EARTH SCIENCES,2013,56(12):2126-2134.
APA Li, JY ,Li, TY ,Wang, JL ,Xiang, XJ ,Chen, YX ,&Li, X .(2013).Characteristics and environmental significance of Ca, Mg, and Sr in the soil infiltrating water overlying the Furong Cave, Chongqing, China.SCIENCE CHINA-EARTH SCIENCES,56(12),2126-2134.
MLA Li, JY ,et al."Characteristics and environmental significance of Ca, Mg, and Sr in the soil infiltrating water overlying the Furong Cave, Chongqing, China".SCIENCE CHINA-EARTH SCIENCES 56.12(2013):2126-2134.
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