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Fluxes of CO2, N2O and CH4 from a typical temperate grassland in Inner Mongolia and its daily variation
Dong, YS; Zhang, S; Qi, YC; Chen, ZZ; Geng, YB
2000-09-01
Source PublicationCHINESE SCIENCE BULLETIN
Volume45Issue:17Pages:1590-1594
AbstractUsing a dark enclosed chamber technique, the fluxes of CO2, N2O and CH4 from nature and disturbed grassland were measured on the spot in Inner Mongolian Temperate Grassland along the annual rainfall gradient section ranging from 450 to 200 mm. The results showed that the measured mean fluxes of CO2, N2O and CH4 were (1180.4 +/- 308,7), (0.010 +/- 0.004) and (-0.039 +/- 0.016) mg.m(-2)/h, respectively. The decrease of the fluxes of CO2, N2O and CH4 follows with that of annual rainfall gradient in the measurement area. Human activities, such as grazing and reclamation are also critical factors to affect the fluxes of these gases from grassland. Daily continuous measurement of CO2, N2O and CH4 fluxes showed a strong diurnal variation with higher emission in the daytime. A good relationship between the fluxes of COB, N2O, CH4 and temperature was exposed in this study.
SubtypeArticle
KeywordNortheast China Transect (Nect) Temperate Grassland Greenhouse Gas Flux
WOS HeadingsScience & Technology
WOS Subject ExtendedScience & Technology - Other Topics
WOS KeywordNITROUS-OXIDE ; FOREST SOILS ; HUMUS LAYERS ; LEAVES ; GASES
Indexed BySCI
Language英语
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000089247900011
PublisherSCIENCE PRESS
Citation statistics
Cited Times:76[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/68280
Collection中国科学院地理科学与资源研究所
Corresponding AuthorDong, YS
Affiliation1.Chinese Acad Sci, Inst Geog, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Inst Bot, Beijing 100093, Peoples R China
Recommended Citation
GB/T 7714
Dong, YS,Zhang, S,Qi, YC,et al. Fluxes of CO2, N2O and CH4 from a typical temperate grassland in Inner Mongolia and its daily variation[J]. CHINESE SCIENCE BULLETIN,2000,45(17):1590-1594.
APA Dong, YS,Zhang, S,Qi, YC,Chen, ZZ,&Geng, YB.(2000).Fluxes of CO2, N2O and CH4 from a typical temperate grassland in Inner Mongolia and its daily variation.CHINESE SCIENCE BULLETIN,45(17),1590-1594.
MLA Dong, YS,et al."Fluxes of CO2, N2O and CH4 from a typical temperate grassland in Inner Mongolia and its daily variation".CHINESE SCIENCE BULLETIN 45.17(2000):1590-1594.
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