Diel and seasonal variation of methane and carbon dioxide fluxes at Site Guojiaba, the Three Gorges Reservoir
Xiao, SB (Xiao, Shangbin)[ 1,2 ]; Wang, YC (Wang, Yuchun)[ 3 ]; Liu, DF (Liu, Defu)[ 1,4 ]; Yang, ZJ (Yang, Zhengjian)[ 1 ]; Lei, D (Lei, Dan)[ 1 ]; Zhang, C (Zhang, Cheng)[ 1 ]
2013-10-01
发表期刊JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
卷号25期号:10页码:2065-3071
文章类型期刊论文
摘要

In order to investigate the CH4 and CO2 fluxes across the water-gas interface and identify their controlling factors, four diel field campaigns and one monthly sampling campaign during June 2010 May 2011 were carried out at a site near the Three Gorges Dam, China. The averaged CH4 and CO2 fluxes across the air-water interface from the site were much less than those reported from reservoirs in tropic and temperate regions, and from the natural river channels of the Yangtze River. CH4 Fluxes at the site were very low compared to most other reservoirs or natural lakes. One of the most important reasons may be due to the oxidation of CH4 in the water column owing to the great water depth and high DO in water in the Three Gorges Reservoir. The averaged monthly CH4 and CO2 fluxes at the site during the observation year were 0.05 mg/(m(2).hr) and 104.43 mg/(m(2).hr) respectively with the maximum occurred in July 2010. The monthly CO2 fluxes during the observation year were positively correlated to the surface water temperature, and negatively correlated to the air pressure and the surface water pH. The CO2 flux showed a positive correlation with DOC to some extent, although not significantly, which indicated that allochthonous organic C was a major source of CO2 and biogeochemical processes in this reservoir were C-limited. The significantly positive correlation between the reservoir outflow and the seasonal gas flux indicate the disturbance condition of the water body dominated the seasonal gas emission.

关键词Diel Flux Seasonal Flux Methane And Carbon Dioxide Emission The Three Gorges Reservoir Methane Oxidation Environmental Factors Reservoir Outflow
DOI10.1016/S1001-0742(12)60269-1
收录类别SCI ; EI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/10021
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 Gorges University,Yichang 443002, China;
2.Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China;
3.Department of Water Environment, China Institute of Water Resources and Hydropower Research, Beijing 100038, China;
4.College of Resources and Environment Sciences, Hubei University of Technology, Wuhan 430068, China
推荐引用方式
GB/T 7714
Xiao, SB ,Wang, YC ,Liu, DF ,et al. Diel and seasonal variation of methane and carbon dioxide fluxes at Site Guojiaba, the Three Gorges Reservoir[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2013,25(10):2065-3071.
APA Xiao, SB ,Wang, YC ,Liu, DF ,Yang, ZJ ,Lei, D ,&Zhang, C .(2013).Diel and seasonal variation of methane and carbon dioxide fluxes at Site Guojiaba, the Three Gorges Reservoir.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,25(10),2065-3071.
MLA Xiao, SB ,et al."Diel and seasonal variation of methane and carbon dioxide fluxes at Site Guojiaba, the Three Gorges Reservoir".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 25.10(2013):2065-3071.
条目包含的文件
文件名称/大小 文献类型 版本类型 开放类型 使用许可
Diel and seasonal va(321KB)期刊论文作者接受稿开放获取CC BY-NC-SA请求全文
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Xiao, SB (Xiao, Shangbin)[ 1,2 ]]的文章
[Wang, YC (Wang, Yuchun)[ 3 ]]的文章
[Liu, DF (Liu, Defu)[ 1,4 ]]的文章
百度学术
百度学术中相似的文章
[Xiao, SB (Xiao, Shangbin)[ 1,2 ]]的文章
[Wang, YC (Wang, Yuchun)[ 3 ]]的文章
[Liu, DF (Liu, Defu)[ 1,4 ]]的文章
必应学术
必应学术中相似的文章
[Xiao, SB (Xiao, Shangbin)[ 1,2 ]]的文章
[Wang, YC (Wang, Yuchun)[ 3 ]]的文章
[Liu, DF (Liu, Defu)[ 1,4 ]]的文章
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。