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学科主题: 地理学::自然地理学
题名: Atmospheric Mercury Depositional Chronology Reconstructed from Lake Sediments and Ice Core in the Himalayas and Tibetan Plateau
作者: Kang, SC (Kang, Shichang)1, 3; Huang, J (Huang, Jie)2, 3, 9; Wang, FY (Wang, Feiyue)4, 5; Zhang, QG (Zhang, Qianggong)2, 3; Zhang, YL (Zhang, Yulan)1, 9; Li, CL (Li, Chaoliu)2, 3, 9; Wang, L (Wang, Long)6; Chen, PF (Chen, Pengfei)2; Sharma, CM (Sharma, Chhatra Mani)7; Li, Q (Li, Qing)8; Sillanpaa, M (Sillanpaa, Mika)9; Hou, JZ (Hou, Juzhi)2; Xu, BQ (Xu, Baiqing)2, 3; Guo, JM (Guo, Junming)2, 9, 10
通讯作者: Kang, SC
刊名: ENVIRONMENTAL SCIENCE & TECHNOLOGY
发表日期: 2016
DOI: 10.1021/acs.est.5b04172
卷: 50, 期:6, 页:2859-2869
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: Alpine lake sediments and glacier ice cores retrieved from high mountain regions can provide long-term records of atmospheric deposition of anthropogenic contaminants such as mercury (Hg). In this study, eight lake sediment cores and one glacier ice core were collected from high elevations across the Himalaya-Tibet region to investigate the chronology of atmospheric Hg deposition. Consistent with modeling results, the sediment core records showed higher Hg accumulation rates in the southern slopes of the Himalayas than those in the northern slopes in the recent decades (post-World War II). Despite much lower Hg accumulation rates obtained from the glacier ice core, the temporal trend in the Hg accumulation rates matched very well with that observed from the sediment cores. The combination of the lake sediments and glacier ice core allowed us to reconstruct the longest, high-resolution atmospheric Hg deposition chronology in High Asia. The chronology showed that the Hg deposition rate was low between the 1500s and early 1800, rising at the onset of the Industrial Revolution, followed by a dramatic increase after World War II. The increasing trend continues to the present-day in most of the records, reflecting the continuous increase in anthropogenic Hg emissions from South Asia.
语种: 英语
WOS记录号: WOS:000372392100013
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7731
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Univ Manitoba, Ctr Earth Observat Sci, Winnipeg, MB R3T 2N2, Canada
5.Univ Manitoba, Dept Geog & Environm, Winnipeg, MB R3T 2N2, Canada
6.Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
7.Kathmandu Univ, Sch Sci, Dept Environm Sci & Engn, Kathmandu 6250, Nepal
8.Southwest Univ, Sch Geog Sci, Chongqing 400715, Peoples R China
9.Lappeenranta Univ Technol, Lab Green Chem, Sammonkatu 12, FI-50130 Mikkeli, Finland
10.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Kang, SC ,Huang, J ,Wang, FY ,et al. Atmospheric Mercury Depositional Chronology Reconstructed from Lake Sediments and Ice Core in the Himalayas and Tibetan Plateau[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2016,50(6):2859-2869.
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