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学科主题: 地理学::自然地理学
题名: Chemical Records in Snowpits from High Altitude Glaciers in the Tibetan Plateau and Its Surroundings
作者: Zhang, YL (Zhang, Yulan)1, 2; Kang, SC (Kang, Shichang)1, 3; Zhang, QG (Zhang, Qianggong)4; Gao, TG (Gao, Tanguang)5; Guo, JM (Guo, Junming)4; Grigholm, B (Grigholm, Bjorn)6, 7; Huang, J (Huang, Jie)4; Sillanpaa, M (Sillanpaa, Mika)2; Li, XF (Li, Xiaofei)1; Du, WT (Du, Wentao)1; Li, Y (Li, Yang)4; Ge, XL (Ge, Xinlei)8
通讯作者: Kang, SC
刊名: PLOS ONE
发表日期: 2016
DOI: 10.1371/journal.pone.0155232
卷: 11, 期:5, 页:e0155232
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: Glaciochemistry can provide important information about climatic change and environmental conditions, as well as for testing regional and global atmospheric trace transport models. In this study, delta O-18 and selected chemical constituents records in snowpits collected from eight glaciers in the Tibetan Plateau and adjacent areas have been investigated. Drawing on the integrated data, our study summarized the seasonal and spatial characteristics of snow chemistry, and their potential sources. Distinct seasonal patterns of d18O values in snowpits indicated more negative in the south TP controlled by Indian monsoon, and less negative in the north TP and Tien Shan. Overall increasing concentrations of microparticles and crustal ions from south to north indicated a strength of dust deposition on glaciers from semi-arid and arid regions. Principal component analysis and air mass trajectories suggested that chemical constituents were mainly attributable to crustal sources as demonstrated by the high concentrations of ions occurring during the non-monsoon seasons. Nevertheless, other sources, such as anthropogenic pollution, played an important role on chemical variations of glaciers near the human activity centers. This study concluded that air mass transport from different sources played important roles on the spatial distributions and seasonality of glaciochemistry
语种: 英语
WOS记录号: WOS:000376282300026
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7697
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, Peoples R China
2.Lappeenranta Univ Technol, Lab Green Chem, Sammonkatu 12, Mikkeli, Finland
3.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing, Peoples R China
5.Lanzhou Univ, Coll Earth & Environm Sci, Minist Educ, Key Lab Western Chinas Environm Syst, Lanzhou 730000, Peoples R China
6.Univ Maine, Climate Change Inst, Orono, ME USA
7.Univ Maine, Dept Earth Sci, Orono, ME USA
8.Nanjing Univ Informat Sci & Technol, Sch Environm Sci & Engn, Jiangsu Key Lab Atmospher Environm Monitoring & P, Nanjing, Jiangsu, Peoples R China

Recommended Citation:
Zhang, YL ,Kang, SC ,Zhang, QG ,et al. Chemical Records in Snowpits from High Altitude Glaciers in the Tibetan Plateau and Its Surroundings[J]. PLOS ONE,2016,11(5):e0155232.
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