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Greenhouse gases emissions in rivers of the Tibetan Plateau
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; Qu, B; Li, CL
AbstractGreenhouse 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.
Subject Area自然地理学
WOS IDWOS:000416409400015
Indexed BySCI
KeywordCarbon-dioxide Nitrous-oxide Hudson River Fresh-water Atmospheric Co2 Organic-carbon Climate-change Fluxes Methane N2o
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences ; Science & Technology - Other Topics
Cooperation Status国际
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorQu, B; Li, CL
Affiliation1.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
GB/T 7714
Qu, B ,Aho, KS ,Li, CL ,et al. Greenhouse gases emissions in rivers of the Tibetan Plateau[J]. SCIENTIFIC REPORTS,2017,7(0):16573.
APA Qu, B .,Aho, KS .,Li, CL .,Kang, SC .,Sillanpaa, M .,...&Li, CL.(2017).Greenhouse gases emissions in rivers of the Tibetan Plateau.SCIENTIFIC REPORTS,7(0),16573.
MLA Qu, B ,et al."Greenhouse gases emissions in rivers of the Tibetan Plateau".SCIENTIFIC REPORTS 7.0(2017):16573.
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