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学科主题: 地理学::自然地理学
题名: The influence of climate change on the accumulation of polycyclic aromatic hydrocarbons, black carbon and mercury in a shrinking remote lake of the southern Tibetan Plateau
作者: Lin, H (Lin, Hai)1, 3; Wang, XP (Wang, Xiaoping)1, 2, 3; Gong, P (Gong, Ping)1; Ren, J (Ren, Jiao)1, 3; Wang, CF (Wang, Chuanfei)1, 2; Yuan, XH (Yuan, Xiaohua)4; Wang, L (Wang, Lei)4; Yao, TD (Yao, Tandong)1, 2
通讯作者: Wang, XP
关键词: PERSISTENT ORGANIC POLLUTANTS ; ORGANOCHLORINE PESTICIDES ; SEDIMENTARY RECORDS ; TRANSPORT PATHWAYS ; HISTORICAL RECORD ; CONTINENTAL-SHELF ; ELEMENTAL CARBON ; ALPINE GLACIERS ; EASTERN CHINA ; NORTH-AMERICA
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
发表日期: 2017
DOI: 10.1016/j.scitotenv.2017.06.038
卷: 601-602, 期:0, 页:1814-1823
收录类别: SCI
合作性质: 国内
文章类型: Article
类目[WOS]: Environmental Sciences ; Environmental Sciences & Ecology
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: A sediment core from a remote lake, Pumoyum Co, located in the southern TP, was analyzed for polycyclic aromatic hydrocarbons (PAHs), black carbon (BC) and mercury. Concentrations ranged from 30 to 229 ng/g for PAHs, 0.46 to 1.48 mg/g for BC and 10 to 30 ng/g for mercury. Significant correlations were found among the concentrations of PAHs, BC and mercury, suggesting the sources of these pollutants to be similar; mainly from combustion processes. Further diagnosis of the likely sources of BC and PAHs suggested that petroleum combustion has been one of the increasing sources in the last few decades, but biomass burning remains the dominant source of these pollutants. The historic trends of the three pollutants closely followed historic BC emission trends from Europe (before 1970) and southern Asia (after 2000). With economic development in southern Asia, concentrations of pollutants in the sediments of Pumoyum Co have increased during the past decade. However, the accumulation fluxes of the pollutants during that period remained stable, which may be due to the recent low precipitation and less catchment erosion of Pumoyum Co (experienced a drier climate and shrinking of lake area). (C) 2017 Elsevier B.V. All rights reserved.
语种: 英语
WOS记录号: WOS:000406294900174
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7932
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China.
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China.
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
4.China Univ Min & Technol, Beijing 100083, Peoples R China.

Recommended Citation:
Lin, H ,Wang, XP ,Gong, P ,et al. The influence of climate change on the accumulation of polycyclic aromatic hydrocarbons, black carbon and mercury in a shrinking remote lake of the southern Tibetan Plateau[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2017,601-602(0):1814-1823.
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