Effects of topography and vegetation on distribution of rare earth elements in calcareous soils

	Effects of topography and vegetation on distribution of rare earth elements in calcareous soils
	Song Zhaoliang 1; Wu Yuntao 1; Yang Xiaomin 1; Xu Zijuan 1; Liu Linan 1; Zhang Xiaodong 1; Hao Qian 1; Sun Shaobo 2; Han Guilin 3; Liu Congqiang 1
刊名	中国地球化学学报：英文版
	2017
卷号	36.0 期号:003 页码:469
关键词	稀土元素分布石灰性土壤植被类型地形生物地球化学位置控制平衡计算单次提取
ISSN号	2096-0956
英文摘要	This study investigated the impact of topography and vegetation on distribution of rare earth elements（REEs）in calcareous soils using methods of single extraction and mass balance calculation. The purposes of the study were to set a basis for further research on the biogeochemical REE cycle and to provide references for soil–water conservation and REE-containing fertilizer amendments. The results show a generally flat Post-Archean Average Australian Shale—normalized REE pattern for the studied calcareous soils. REE enrichment varied widely. The proportion of acidsoluble phases of heavy REEs was higher than that of light REEs. From top to bottom of the studied hills, dominant REE sources transitioned from limestone in-situ weathering to input from REE-containing phases（e.g., clay minerals,amorphous iron, REE-containing fluids）. Our results indicate that the REE content of calcareous soils is mainly controlled by slope aspect, while the enrichment degree of REEs is related to geomorphological position and vegetation type.Furthermore, the proportion of acid-soluble phases of REEs is mainly controlled by geomorphological position.
语种	英语
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/153711]
专题	中国科学院地理科学与资源研究所
作者单位	1.Institute of the Surface-Earth System Science Research, Tianjin University 2.Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences 3.School of Water Resources and Environment, China University of Geosciences
推荐引用方式 GB/T 7714	Song Zhaoliang,Wu Yuntao,Yang Xiaomin,et al. Effects of topography and vegetation on distribution of rare earth elements in calcareous soils[J]. 中国地球化学学报：英文版,2017,36.0(003):469.
APA	Song Zhaoliang.,Wu Yuntao.,Yang Xiaomin.,Xu Zijuan.,Liu Linan.,...&Liu Congqiang.(2017).Effects of topography and vegetation on distribution of rare earth elements in calcareous soils.中国地球化学学报：英文版,36.0(003),469.
MLA	Song Zhaoliang,et al."Effects of topography and vegetation on distribution of rare earth elements in calcareous soils".中国地球化学学报：英文版 36.0.003(2017):469.