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学科主题: 地理学::自然地理学
题名: Greenhouse gases emissions in rivers of the Tibetan Plateau
作者: Qu, B (Qu, Bin)1, 2, 3; Aho, KS (Aho, Kelly Sue); Li, CL (Li, Chaoliu)2, 3, 4, 5; Kang, SC (Kang, Shichang)5, 6, 7; Sillanpaa, M (Sillanpaa, Mika)2, 8; Yan, FP (Yan, Fangping)2; Raymond, PA (Raymond, Peter A.)4
通讯作者: Qu, B ; Li, CL
关键词: CARBON-DIOXIDE ; NITROUS-OXIDE ; HUDSON RIVER ; FRESH-WATER ; ATMOSPHERIC CO2 ; ORGANIC-CARBON ; CLIMATE-CHANGE ; FLUXES ; METHANE ; N2O
刊名: SCIENTIFIC REPORTS
发表日期: 2017
DOI: 10.1038/s41598-017-16552-6
卷: 7, 期:0, 页:16573
收录类别: SCI
合作性质: 国际
文章类型: Article
类目[WOS]: Multidisciplinary Sciences ; Science & Technology - Other Topics
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: Greenhouse gases (GHGs) emissions from streams are important to regional biogeochemical budgets. This study is one of the first to incorporate stream GHGs (CO2, CH4 and N2O) concentrations and emissions in rivers of the Tibetan Plateau. With one-time sampling from 32 sites in rivers of the plateau, we found that most of the rivers were supersaturated with CO2, CH4 and N2O during the study period. Medians of partial pressures of CO2 (pCO(2)), pCH(4) and pN(2)O were presented 864 mu atm, 6.3 mu atm, and 0.25 mu atm respectively. Based on a scaling model of the flux of gas, the calculated fluxes of CO2, CH4 and N2O (3,452 mg-C m(2) d(-1), 26.7 mg-C m(2) d(-1) and 0.18 mg-N m(2) d(-1), respectively) in rivers of the Tibetan Plateau were found comparable with most other rivers in the world; and it was revealed that the evasion rates of CO2 and CH4 in tributaries of the rivers of the plateau were higher than those in the mainstream despite its high altitude. Furthermore, concentrations of GHGs in the studied rivers were related to dissolved carbon and nitrogen, indicating that riverine dissolved components could be used to scale GHGs envision in rivers of the Tibetan Plateau.
语种: 英语
WOS记录号: WOS:000416409400015
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7936
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Nanjing Univ Informat Sci & Technol, Yale NUIST Ctr Atmospher Environm, Int Joint Lab Climate & Environm Change ILCEC, Nanjing 210044, Jiangsu, Peoples R China.
2.Lappeenranta Univ Technol, Lab Green Chem, Mikkeli 50130, Finland.
3.Chinese Acad Sci, Key Lab Tibetan Environm Changes & Land Surface, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China.
4.Yale Univ, Yale Sch Forestry & Environm Studies, New Haven, CT 06405 USA.
5.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100085, Peoples R China.
6.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Gansu, Peoples R China.
7.Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
8.Florida Int Univ, Dept Civil & Environm Engn, Miami, FL 33174 USA.

Recommended Citation:
Qu, B ,Aho, KS ,Li, CL ,et al. Greenhouse gases emissions in rivers of the Tibetan Plateau[J]. SCIENTIFIC REPORTS,2017,7(0):16573.
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