IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
Methane emissions from newly created marshes in the drawdown area of the Three Gorges Reservoir
Chen, Huai1,5; Wu, Yuyuan1,5; Yuan, Xingzhong1,5; Gao, Yongheng2; Wu, Ning3; Zhu, Dan3,4
Corresponding AuthorChen, Huai
2009
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
EISSN2169-8996
Volume114Pages:doi:10.1029/2009JD012410
SubtypeArticle
AbstractThe study aimed to understand the methane (CH4) emission and its controlling factors in the Three Gorges Reservoir Region and to explore its implication for large dams. We measured CH4 emissions from four vegetation stands in newly created marshes in the drawdown area of the Three Gorges Reservoir, China, in the summer of 2008. The results showed highly spatial variations of methane emissions among the four stands, with the smallest emission (0.25 +/- 0.65 mg CH4 m(-2) h(-1)) in the Juncus amuricus stand, and the greatest (14.9 +/- 10.9 mg CH4 m(-2) h(-1)) in the Scirpus triqueter stand. We found that the spatial variations of CH4 emissions are caused by difference in standing water depth and dissolved organic carbon (DOC). Results also showed a special seasonal variation of CH4 emissions in this area, i.e., maximal emissions in early July followed by a low and steady value before the winter flooding. The seasonality of CH4 emissions was found closely related to temperature and standing water depth. Because of the large area of the drawdown zones for global dam reservoirs and a large CH4 emission rate, such newly created marshes should not be neglected when estimating CH4 emissions from reservoirs.
KeywordGreenhouse-gas Emissions
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1029/2009JD012410
WOS Subject ExtendedMeteorology & Atmospheric Sciences
Indexed BySCI
WOS KeywordGREENHOUSE-GAS EMISSIONS ; HYDROELECTRIC DAMS ; SEASONAL-VARIATION ; BOREAL LAKES ; PHRAGMITES-AUSTRALIS ; LITTORAL VEGETATION ; SPATIAL VARIATION ; ENERGY-SOURCE ; CH4 ; EFFLUX
Language英语
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000270056400012
Funding OrganizationNational Natural Foundation of China(50749045) ; Chinese Academy of Sciences(KZCX2-YW-418) ; Natural Science Foundation(2009BB7182)
Citation statistics
Cited Times:71[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10556
Collection成都山地所知识仓储(2009年以前)
山地表生过程与生态调控重点实验室
Affiliation1.Chongqing Univ, Coll Resources & Environm, Chongqing 400030, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
3.Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
5.Chongqing Univ, Minist Educ, Key Lab Exploitat S W Resources & Environm Disast, Chongqing 400030, Peoples R China
Recommended Citation
GB/T 7714
Chen, Huai,Wu, Yuyuan,Yuan, Xingzhong,et al. Methane emissions from newly created marshes in the drawdown area of the Three Gorges Reservoir[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2009,114:doi:10.1029/2009JD012410.
APA Chen, Huai,Wu, Yuyuan,Yuan, Xingzhong,Gao, Yongheng,Wu, Ning,&Zhu, Dan.(2009).Methane emissions from newly created marshes in the drawdown area of the Three Gorges Reservoir.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,114,doi:10.1029/2009JD012410.
MLA Chen, Huai,et al."Methane emissions from newly created marshes in the drawdown area of the Three Gorges Reservoir".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 114(2009):doi:10.1029/2009JD012410.
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