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A review of current knowledge and future prospects regarding persistent organic pollutants over the Tibetan Plateau
Wang, XP (Wang, Xiaoping)1,2; Gong, P (Gong, Ping)1,2; Wang, CF (Wang, Chuanfei)1; Ren, J (Ren, Jiao)1,3; Yao, TD (Yao, Tandong)1,2; Wang, XP
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
2016
Volume573Issue:0Pages:139-154
DOI10.1016/j.scitotenv.2016.08.107
AbstractSince the turn of the century, our understanding of the quantities, transport pathways, and fate of persistent organic pollutants (POPs) over the Tibetan Plateau (TP), the largest and highest plateau on Earth, has greatly enhanced. We begin in this article by reviewing the available literature on the levels of POPs over the TP. In general, the levels of most POPs are similar or lower than values reported for other-background regions. However, dichlorodiphenyltrichloroethane (DDT) and hexachlorocyclohexane (HCH) levels in air and soil far exceed those measured in other mountainous areas. The East Asian monsoon, Indian Monsoon and westerly winds are responsible for the long-range atmospheric transport (LRAT) and arrival of POPs over the TP. Surface soil and vegetation act as "final sinks" for DDTs and other high molecular weight POPs. Linked to the continuous use of POPs in surrounding counties, LRAT and "cold trapping" by the TP can happen following emission-transport-deposition events, leading to the enrichment of POPs in the TP environment. Bioaccumulation of DDTs and high chlorinated PCBs have been found in Tibetan terrestrial and aquatic food chains, and newly emerging compounds such as polyfluoroalkyl substances and hexabromocyclododecanes have been widely detected in wild fish species. The corresponding ecological risks should be of great concern.
Climate change, such as increased temperatures and changing coverage of snow and glaciers, has the potential to affect the behavior and distribution of POPs. Therefore, long-term monitoring data are required. Ineffective regulation regarding POPs has been reported for countries in South Asia, emissions patterns, the outflow of POPs, and their seasonal and inter-annual variability should therefore 'be clarified.Estimating the loading of POPs, as well as how they move, within the TP, especially under the impact of glacial melt and global warming, should be a priority. (C) 2016 Elsevier B.V. All rights reserved.
Subject Area自然地理学
WOS IDWOS:000390071000014
Language英语
Indexed BySCI
KeywordPolycyclic Aromatic-hydrocarbons Air-soil Exchange Polybrominated Diphenyl Ethers European Background Soils Semivolatile Organochlorine Compounds Range Atmospheric Transport Canadian Rocky-mountains Mt. Qomolangma Everest Fresh-fallen Snow Polychlorinated-biphenyls
Cooperation Status国内
SubtypeReview
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/7470
Collection图书馆
Corresponding AuthorWang, XP
Affiliation1.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
Recommended Citation
GB/T 7714
Wang, XP ,Gong, P ,Wang, CF ,et al. A review of current knowledge and future prospects regarding persistent organic pollutants over the Tibetan Plateau[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2016,573(0):139-154.
APA Wang, XP ,Gong, P ,Wang, CF ,Ren, J ,Yao, TD ,&Wang, XP.(2016).A review of current knowledge and future prospects regarding persistent organic pollutants over the Tibetan Plateau.SCIENCE OF THE TOTAL ENVIRONMENT,573(0),139-154.
MLA Wang, XP ,et al."A review of current knowledge and future prospects regarding persistent organic pollutants over the Tibetan Plateau".SCIENCE OF THE TOTAL ENVIRONMENT 573.0(2016):139-154.
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