Temporal variation of methane flux from Xiangxi Bay of the Three Gorges Reservoir
Xiao, SB (Xiao, Shangbin)[ 1,2 ]; Liu, DF (Liu, Defu)[ 1,3 ]; Wang, YC (Wang, Yuchun)[ 4 ]; Yang, ZJ (Yang, Zhengjian)[ 1 ]; Chen, WZ (Chen, Wenzhong)[ 1 ]
2013-08-26
发表期刊SCIENTIFIC REPORTS
卷号3页码:2500
文章类型期刊论文
摘要

Three diel field campaigns and one monthly sampling campaign during June 2010-May 2011 were carried out to investigate the CH4 flux across the water-gas interface in Xiangxi Bay of the Three Gorges Reservoir, China. The average CH4 flux was much less than that reported from reservoirs in tropic and temperate regions. The photosynthesis of phytoplankton dominated the diel gas fluxes during alga bloom in spring and summer. The maximum monthly flux occurred in June 2010 and corresponded to the lowest water level. Water temperature, sediment temperature, and TOC did not have significant correlation with the monthly CH4 fluxes. Continuously decreasing hydrostatic pressure and the low water level resulted in more CH4 emission at the sediment-water during the discharging period, and thus increases the CH4 effluxes because the diffusion time through a thin water column is shorter and less CH4 may be oxidized compared with that in a long water column.

DOI10.1038/srep02500
收录类别SCI ; EI
语种英语
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/10020
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Xiao, SB (Xiao, Shangbin)[ 1,2 ]
作者单位1.Engineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, China Three GorgesUniversity, Yichang, 443002, China;
2.Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China;
3.College of Resources and Environment Sciences, Hubei University of Technology, Wuhan, 430072, China;
4.Department of WaterEnvironment, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China
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GB/T 7714
Xiao, SB ,Liu, DF ,Wang, YC ,et al. Temporal variation of methane flux from Xiangxi Bay of the Three Gorges Reservoir[J]. SCIENTIFIC REPORTS,2013,3:2500.
APA Xiao, SB ,Liu, DF ,Wang, YC ,Yang, ZJ ,&Chen, WZ .(2013).Temporal variation of methane flux from Xiangxi Bay of the Three Gorges Reservoir.SCIENTIFIC REPORTS,3,2500.
MLA Xiao, SB ,et al."Temporal variation of methane flux from Xiangxi Bay of the Three Gorges Reservoir".SCIENTIFIC REPORTS 3(2013):2500.
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