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DOI10.1016/j.ecoenv.2020.111228
New insights into heavy metal elements deposition in the snowpacks of mountain glaciers in the eastern Tibetan Plateau
Jiao, Xiaoyu; Dong, Zhiwen; Kang, Shichang; Li, Yifan; Jiang, Cong; Rostami, Masoud
通讯作者Dong, ZW (通讯作者),Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryosphere Sci, Lanzhou 730000, Peoples R China.
发表日期2021
ISSN0147-6513
EISSN1090-2414
卷号207
英文摘要Atmospheric heavy metals have important environmental and health threats. To investigate atmospheric deposition and contamination of heavy metal elements in the glaciers of the eastern Tibetan Plateau (ETP), we collected the surface snow (cryoconites) samples in the Lenglongling Glacier (LG), the Gannan Snowpack (GS), the Dagu Glacier (DG), the Hailuogou Glacier (HG) and Yulong Snow-mountain Glacier (YG) in summer 2017. Samples were analyzed for concentrations and enrichment factors (EFs) of Al and trace elements (Pb, Co, Cd, Ba, Mn, Ga, Sc, V, Zn, Cr, Ni, Cu, Rb, Sb, Cs, As, Mo, Li) using inductively coupled plasma-mass spectrometry (ICP-MS). Results showed that the concentrations and EFs of heavy metals (e.g. Sb, Cu, Cr, Ni, As, Mo) were generally high value in YG, GS and LG, while were relatively low value in DG and HG, implying that ETP glaciers may have been affected by atmospheric anthropogenic pollutants deposition to varying degrees. Comparing the heavy metal concentrations in the glaciers with those in the precipitation of middle/eastern China cities and also the South Asian cities, we find that the glacial heavy metal concentrations were generally low level, though the anthropogenic pollutants were still significantly enriched. Taking the spatial distribution of As and Ni concentration/EFs in the glaciers and surrounding urban precipitation as an example, we find that the heavy metal pollutants were probably transported to the glaciers through three routes from the surrounding densely populated area of Asia. The MODIS AOD and NCEP/NCAR wind vector also demonstrated that the atmospheric pollutants originated from anthropogenic emissions of urban areas of both South Asia, and northwest and east China, mainly caused by the large scale atmospheric circulation (e.g. the South Asian Monsoon, westerlies and Eastern Asian Summer Monsoon). Therefore, control of these potential pollution emission sources of the surrounding densely populated areas in Asia could be important to ETP glaciers in future perspectives.
关键词REMOTE HIGH-MOUNTAINTRACE-ELEMENTSWET DEPOSITIONATMOSPHERIC PRECIPITATIONHIMALAYASURBANCORESNOWPARTICLESAEROSOL
英文关键词Heavy metal elements; Atmospheric pollutants; Transport routes; Eastern Tibetan plateau glaciers
语种英语
WOS研究方向Environmental Sciences & Ecology ; Toxicology
WOS类目Environmental Sciences ; Toxicology
WOS记录号WOS:000592462800002
来源期刊ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
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/254067
作者单位[Jiao, Xiaoyu; Dong, Zhiwen; Kang, Shichang] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryosphere Sci, Lanzhou 730000, Peoples R China; [Dong, Zhiwen; Kang, Shichang] Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China; [Jiao, Xiaoyu] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Li, Yifan; Jiang, Cong; Rostami, Masoud] Univ Cologne, Inst Geophys & Meteorol, D-50923 Cologne, Germany
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GB/T 7714
Jiao, Xiaoyu,Dong, Zhiwen,Kang, Shichang,et al. New insights into heavy metal elements deposition in the snowpacks of mountain glaciers in the eastern Tibetan Plateau[J]. 中国科学院西北生态环境资源研究院,2021,207.
APA Jiao, Xiaoyu,Dong, Zhiwen,Kang, Shichang,Li, Yifan,Jiang, Cong,&Rostami, Masoud.(2021).New insights into heavy metal elements deposition in the snowpacks of mountain glaciers in the eastern Tibetan Plateau.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,207.
MLA Jiao, Xiaoyu,et al."New insights into heavy metal elements deposition in the snowpacks of mountain glaciers in the eastern Tibetan Plateau".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 207(2021).
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