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学科主题: 地理学::自然地理学
题名: Concentration, sources, and flux of dissolved organic carbon of precipitation at Lhasa city, the Tibetan Plateau
作者: Li, CL (Li, Chaoliu)1, 3; Yan, FP (Yan, Fangping)2, 4; Kang, SC (Kang, Shichang)2, 3; Chen, PF (Chen, Pengfei)1, 4; Qu, B (Qu, Bin)5; Hu, ZF (Hu, Zhaofu)2, 4; Sillanpaa, M (Sillanpaa, Mika)5
通讯作者: Li, CL
刊名: ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
发表日期: 2016
DOI: 10.1007/s11356-016-6455-1
卷: 23, 期:13, 页:12915-12921
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: Dissolved organic carbon (DOC) plays an important role in the climate system, but few data are available on the Tibetan Plateau (TP). In this study, 89 precipitation samples were collected at Lhasa, the largest city of southern Tibet, from March to December 2013. The average concentration and wet deposition flux of DOC was 1.10 mg C L-1 and 0.63 g C m(-2) year(-1), respectively. Seasonally, low DOC concentration and high flux appeared during the monsoon period, which were in line with heavy precipitation amount, reflecting dilution effect of precipitation for the DOC. Compared to other regions, the values of Lhasa were lower than those of large cities (e.g., Beijing and Seoul) mainly because of less air pollution of Lhasa. The principal component analysis (PCA) of DOC and ions (Ca2+, Mg2+, Na+, K+, NH4+, Cl-, NO3-, and SO42-) showed that DOC of Lhasa was derived mainly from the natural sources, followed by anthropogenic burning activities. Furthermore, Delta C-14 value of DOC indicated that fossil fuel combustion contributed around 28 % of the rainwater DOC of Lhasa, indicating that the atmosphere of Lhasa has been influenced by emission from fossil fuel combustion or high-temperature industrial processes.
语种: 英语
WOS记录号: WOS:000378817300031
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7669
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.Cold & Arid Reg Environm & Engn Res Inst CAS, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China
3.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Grad Univ Chinese Acad Sci, Beijing 100039, Peoples R China
5.Lappeenranta Univ Technol, Lab Green Chem, Sammonkatu 12, FIN-50130 Mikkeli, Finland

Recommended Citation:
Li, CL ,Yan, FP ,Kang, SC ,et al. Concentration, sources, and flux of dissolved organic carbon of precipitation at Lhasa city, the Tibetan Plateau[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2016,23(13):12915-12921.
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