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学科主题: 地理学::自然地理学
题名: Sources of black carbon to the Himalayan-Tibetan Plateau glaciers
作者: Li, CL (Li, Chaoliu)1, 2; Bosch, C (Bosch, Carme)3; Kang, SC (Kang, Shichang)2, 4; Andersson, A (Andersson, August)3; Chen, PF (Chen, Pengfei)1, 5; Zhang, QG (Zhang, Qianggong)1, 2; Cong, ZY (Cong, Zhiyuan)1, 2; Chen, B (Chen, Bing)6; Qin, DH (Qin, Dahe)4; Gustafsson, O (Gustafsson, Orjan)3
通讯作者: Kang, SC
刊名: NATURE COMMUNICATIONS
发表日期: 2016
DOI: 10.1038/ncomms12574
卷: 7, 期:0, 页:12574
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: Combustion-derived black carbon (BC) aerosols accelerate glacier melting in the Himalayas and in Tibet (the Third Pole (TP)), thereby limiting the sustainable freshwater supplies for billions of people. However, the sources of BC reaching the TP remain uncertain, hindering both process understanding and efficient mitigation. Here we present the source-diagnostic Delta C-14/delta C-13 compositions of BC isolated from aerosol and snowpit samples in the TP. For the Himalayas, we found equal contributions from fossil fuel (46 +/- 11%) and biomass (54 +/- 11%) combustion, consistent with BC source fingerprints from the Indo-Gangetic Plain, whereas BC in the remote northern TP predominantly derives from fossil fuel combustion (66 +/- 16%), consistent with Chinese sources. The fossil fuel contributions to BC in the snowpits of the inner TP are lower (30 +/- 10%), implying contributions from internal Tibetan sources (for example, yak dung combustion). Constraints on BC sources facilitate improved modelling of climatic patterns, hydrological effects and provide guidance for effective mitigation actions.
语种: 英语
WOS记录号: WOS:000381948600001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7648
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.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
3.Stockholm Univ, Dept Environm Sci & Analyt Chem, Bolin Ctr Climate, S-10691 Stockholm, Sweden
4.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Cryosphere Sci, Lanzhou 730000, Peoples R China
5.Univ CAS, Beijing 100049, Peoples R China
6.Shandong Univ, Environm Res Inst, Sch Environm Sci & Engn, Jinan 250100, Peoples R China

Recommended Citation:
Li, CL ,Bosch, C ,Kang, SC ,et al. Sources of black carbon to the Himalayan-Tibetan Plateau glaciers[J]. NATURE COMMUNICATIONS,2016,7(0):12574.
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