气候变化领域集成服务门户(CCPortal): New insights into trace element wet deposition in the Himalayas: amounts, seasonal patterns, and implications

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DOI	10.1007/s11356-014-3496-1
	New insights into trace element wet deposition in the Himalayas: amounts, seasonal patterns, and implications
	Cong, Zhiyuan; Kang, Shichang; Zhang, Yulan; Gao, Shaopeng; Wang, Zhongyan; Liu, Bin; Wan, Xin
发表日期	2015
ISSN	0944-1344
EISSN	1614-7499
卷号	22 期号:4
英文摘要	Our research provides the first complete year-long dataset of wet deposition of trace elements in the high Himalayas based on a total of 42 wet deposition events on the northern slope of Mt. Qomolangma (Everest). Except for typical crustal elements (Al, Fe, and Mn), the concentration level of most trace elements (Sc, V, Cr, Co, Ni, Cu, Zn, As, Mo, Cd, Sn, Cs, Pb, Bi, and U) are generally comparable to those preserved in snow pits and ice cores from the nearby East Rongbuk Glacier. Cadmium was the element most affected by anthropogenic emissions. No pronounced seasonal variations are observed for most trace elements despite different transport pathways. In our study, the composition of wet precipitation reflects a regional background condition and is not clearly related to specific source regions. For the trace element record from ice cores and snow pits in the Himalayas, it could be deduced that the pronounced seasonal patterns were caused by the dry deposition of trace elements (aerosols) during their long exposure to the atmosphere after precipitation events. Our findings are of value for the understanding of the trace element deposition mechanisms in the Himalayas.
关键词	Himalayas Trace elements Wet deposition Ice core Long-range transport
学科领域	Environmental Sciences & Ecology
语种	英语
WOS研究方向	Environmental Sciences
来源期刊	ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/111775
作者单位	Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China
推荐引用方式 GB/T 7714	Cong, Zhiyuan,Kang, Shichang,Zhang, Yulan,et al. New insights into trace element wet deposition in the Himalayas: amounts, seasonal patterns, and implications[J]. 中国科学院西北生态环境资源研究院,2015,22(4).
APA	Cong, Zhiyuan.,Kang, Shichang.,Zhang, Yulan.,Gao, Shaopeng.,Wang, Zhongyan.,...&Wan, Xin.(2015).New insights into trace element wet deposition in the Himalayas: amounts, seasonal patterns, and implications.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,22(4).
MLA	Cong, Zhiyuan,et al."New insights into trace element wet deposition in the Himalayas: amounts, seasonal patterns, and implications".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 22.4(2015).