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学科主题: 地理学::自然地理学
题名: Records of anthropogenic antimony in the glacial snow from the southeastern Tibetan Plateau
作者: Zhang, YL (Zhang, Yulan)1, 6; Kang, SC (Kang, Shichang)1, 2; Chen, PF (Chen, Pengfei)3; Li, XF (Li, Xiaofei)1; Liu, YJ (Liu, Yajun)1; Gao, TG (Gao, Tanguang)4; Guo, JM (Guo, Junming)3; Sillanpaa, M (Sillanpaa, Mika)5
通讯作者: Kang, SC
关键词: SEASONAL-VARIATIONS ; ANTARCTIC SNOW ; HEAVY-METALS ; ICE ; SB ; ENVIRONMENT ; DEPOSITION ; HIMALAYAS ; EMISSIONS ; EVEREST
刊名: JOURNAL OF ASIAN EARTH SCIENCES
发表日期: 2016
DOI: 10.1016/j.jseaes.2016.09.007
卷: 131, 期:0, 页:62-71
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: Antimony (Sb) is a ubiquitous element in the environment that is potentially toxic at very low concentrations. In this study, surface snow/ice and snowpit samples were collected from four glaciers in the southeastern Tibetan Plateau in June 2015. The concentrations of Sb and other elements were measured in these samples. The results showed that the average concentration of Sb was approximately 2.58 pg g(-1) with a range of 1.64-9.20 pg g(-1). The average Sb concentration in the study area was comparable to that recorded in a Mt. Everest ice core and higher than that in Arctic and Antarctic snow/ice but much lower than that in Tien Shan and Alps ice cores. Sb presented different variations with other toxic elements (Pb and Cr) and a crustal element (Al) in the three snowpits, which indicated the impact of a different source or post-deposition processes. The enrichment factor of Sb was larger than 10, suggesting that anthropogenic sources provided important contributions to Sb deposition in the glaciers. The Sb in the glacial snow was mainly loaded in the fourth component in principal component analysis, exhibiting discrepancies with crustal elements (Fe and Ca) and other toxic metals (Pb). Backward trajectories revealed that the air mass arriving at the southeastern Tibetan Plateau mostly originated from the Bay of Bengal and the South Asia in June. Thus, pollutants from the South Asia could play an important role in Sb deposition in the studied region. The released Sb from glacier meltwater in the Tibetan Plateau and surrounding areas might pose a risk to the livelihoods and well-being of those in downstream regions. (C) 2016 Elsevier Ltd. All rights reserved.
语种: 英语
WOS记录号: WOS:000390080500004
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7482
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, State Key Lab Cryospher Sci, Northwest Inst Ecoenvironm & Resources, 320 Donggang West Rd, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Key Lab Tibetan Environm Changes & Land Surface P, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China
4.Lanzhou Univ, Key Lab Western Chinas Environm Syst, Minist Educ, Coll Earth & Environm Sci, Lanzhou 730000, Peoples R China
5.Lappeenranta Univ Technol, Lab Green Chem, Sammonkatu 12, Fi Mikkeli 50130, Finland
6.Nanjing Univ Informat Sci & Technol, Jiangsu Key Lab Atmospher Environm Monitoring & P, Sch Environm Sci & Engn, AEMPC, Nanjing, Peoples R China

Recommended Citation:
Zhang, YL ,Kang, SC ,Chen, PF ,et al. Records of anthropogenic antimony in the glacial snow from the southeastern Tibetan Plateau[J]. JOURNAL OF ASIAN EARTH SCIENCES,2016,131(0):62-71.
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