Barrier effects of remote high mountain on atmospheric metal transport in the eastern Tibetan Plateau
Haijian Bing1; Jun Zhou1; Yanhong Wu1; Xiaosan Luo2; Zhongxiang Xiang1; Hongyang Sun1; Jipeng Wang1; He Zhu1,3
第一作者单位Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China
通讯作者单位Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China
通讯作者Haijian Bing ; Yanhong Wu
2018
发表期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
卷号628-629页码:687-696
文章类型Article
产权排序1
摘要Anthropogenic metals adsorbed on suspended fine particles can be deposited on remote and inaccessible high mountains by long-range atmospheric transport. In this study, we investigated the cadmium (Cd) and lead (Pb) in the soils, mosses and rainfall of three transects on the Gongga Mountain, eastern Tibetan Plateau, to understand the mountain interception effects on their atmospheric transport. The concentrations of Cd and Pb in the soils and mosses displayed a pattern of eastern transect > northern transect > western transect. The distribution of Cd and Pb on the eastern transect increased from 2000 to 2900 m a.s.l. (above sea level), decreased toward the timberline, and increased again with altitude; on the northern transect, it generally decreased with altitude whereas a distribution trend was not clearly observed on the western transect. The Cd and Pb concentrations in the rainfall of the eastern transect generally decreased with altitude, and they were higher inside forests than outside forests and temporally higher in the winter than the summer. The Pb isotopic ratios coupled with moss bio-monitoring distinguished anthropogenic sources of Cd and Pb on the eastern and northern transects, whereas bedrock weathering was the main source of Cd and Pb on the western transect. We proposed a conceptual model to delineate the effects of terrain, local climate and vegetation on the transport of atmospheric metals. Our results highlighted the high mountains in the eastern Tibetan Plateau as an effective natural barrier limiting atmospheric metal transport. (C) 2018 Elsevier B.V. All rights reserved.
关键词Trace metals  Atmospheric transport  Pb isotopes  Interception effects  High mountain
DOI10.1016/j.scitotenv.2018.02.035
收录类别SCI
语种英语
WOS记录号WOS:000432462000071
引用统计
文献类型期刊论文
条目标识符http://ir.imde.ac.cn/handle/131551/23012
专题山地表生过程与生态调控重点实验室
作者单位1.Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;
2.International Center for Ecology, Meteorology, and Environment, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China;
3.University of the Chinese Academy of Sciences, Beijing 100049, China
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Haijian Bing,Jun Zhou,Yanhong Wu,et al. Barrier effects of remote high mountain on atmospheric metal transport in the eastern Tibetan Plateau[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2018,628-629:687-696.
APA Haijian Bing.,Jun Zhou.,Yanhong Wu.,Xiaosan Luo.,Zhongxiang Xiang.,...&He Zhu.(2018).Barrier effects of remote high mountain on atmospheric metal transport in the eastern Tibetan Plateau.SCIENCE OF THE TOTAL ENVIRONMENT,628-629,687-696.
MLA Haijian Bing,et al."Barrier effects of remote high mountain on atmospheric metal transport in the eastern Tibetan Plateau".SCIENCE OF THE TOTAL ENVIRONMENT 628-629(2018):687-696.
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