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学科主题: 地理学::自然地理学
题名: Carbonaceous matter deposition in the high glacial regions of the Tibetan Plateau
作者: Li, CL (Li, Chaoliu)1, 4; Chen, PF (Chen, Pengfei)1, 3; Kang, SC (Kang, Shichang)2, 4; Yan, FP (Yan, Fangping)2, 3; Li, XF (Li, Xiaofei)2, 3; Qu, B (Qu, Bin)5; Sillanpaa, M (Sillanpaa, Mika)5
通讯作者: Li, CL
关键词: DISSOLVED ORGANIC-CARBON ; ALPINE ICE CORES ; BLACK CARBON ; ATMOSPHERIC CIRCULATION ; TEMPORAL VARIATIONS ; MT. EVEREST ; AEROSOLS ; RECORDS ; CHINA ; SNOW
刊名: ATMOSPHERIC ENVIRONMENT
发表日期: 2016
DOI: 10.1016/j.atmosenv.2016.06.064
卷: 141, 期:0, 页:203-208
收录类别: SCI
合作性质: 国际
文章类型: Article
部门归属: 环境
英文摘要: Carbonaceous matter at glacial region plays important role in river ecosystems fed by glacier and albedo reduction of glacier surface. However, currently, limited knowledge are available on the carbonaceous matter within the glacial region of the Tibetan Plateau (TP). In this study, the data from six snowpits in the glacial region across the TP were reported. The results showed that dissolved organic carbon (DOC) concentrations of snowpit samples of the TP were comparable to those of European Alps and the Arctic. The ratio of DOC to carbonaceous matter (40.25 +/- 8.98%) was lower than that of Alpine glaciers, thus indicating greater particulate carbon content in the TP glacial region. In addition, the DOC was significantly correlated with insoluble particulate carbon (IPC), indicating that IPC and DOC likely came from the same sources. Spatially, the DOC concentration decreased from the north (0.42 +/- 0.29 mg-C L-1) to the south TP (0.15 +/- 0.06 mg-C L-1), which was consistent with variations in the distribution of dust storm on the TP. Principal component analysis of major ions and DOC showed that mineral dust contributed the major part of DOC, followed by biogenic sources such as agriculture and livestock. Finally, based on DOC concentrations and precipitation amounts at different periods, the mean annul flux of DOC in the glacial region of the TP was calculated to be 0.11 +/- 0.05 g-C m(-2) yr(-1). (C) 2016 Elsevier Ltd. All rights reserved.
语种: 英语
WOS记录号: WOS:000381950900018
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7615
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.Chinese Acad Sci, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
5.Lappeenranta Univ Technol, Lab Green Chem, Sammonkatu 12, Mikkeli 50130, Finland

Recommended Citation:
Li, CL ,Chen, PF ,Kang, SC ,et al. Carbonaceous matter deposition in the high glacial regions of the Tibetan Plateau[J]. ATMOSPHERIC ENVIRONMENT,2016,141(0):203-208.
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