Spatial and Temporal Variations of Carbon Dioxide Fluxes in Urban Ecosystems of Changsha, China

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成果类型：

期刊论文

作者：

Deng, Zijun;Liu, Xin;Zu, Haoran;Luo, Junyi;Chen, Ying;...

通讯作者：

Zhang, Xiang;Yan, WD

作者机构：

[Zu, Haoran; Luo, Junyi; Chen, Ying; Yan, Wende; Deng, Zijun; Liu, Xin; Liang, Xiaocui; Zhang, Xiang; Yi, Meiling; Wang, Xiao] Cent South Univ Forestry & Technol, Fac Life Sci & Technol, Changsha 410004, Peoples R China.

[Yan, Wende; Liang, Xiaocui; Zhang, Xiang] Natl Engn Lab Appl Technol Forestry & Ecol South C, Changsha 410004, Peoples R China.

[Yan, Wende; Liang, Xiaocui; Zhang, Xiang] Key Lab Urban Forest Ecol Hunan Prov, Changsha 410004, Peoples R China.

[Yan, Wende; Liang, Xiaocui; Zhang, Xiang] Lutou Natl Stn Sci Observat & Res Forest Ecosyst, Yueyang 414000, Peoples R China.

[Yan, Wende; Liang, Xiaocui; Zhang, Xiang] Key Lab Subtrop Forest Ecol Hunan Prov, Changsha 410004, Peoples R China.

通讯机构：

[Zhang, X; Yan, WD ] C

Cent South Univ Forestry & Technol, Fac Life Sci & Technol, Changsha 410004, Peoples R China.

Natl Engn Lab Appl Technol Forestry & Ecol South C, Changsha 410004, Peoples R China.

Key Lab Urban Forest Ecol Hunan Prov, Changsha 410004, Peoples R China.

Lutou Natl Stn Sci Observat & Res Forest Ecosyst, Yueyang 414000, Peoples R China.

语种：

英文

关键词：

CO2 flux;urban;eddy covariance;footprint model

期刊：

Forests

ISSN：

1999-4907

年：

2023

卷：

期：

DOI：

10.3390/f14112201

基金类别：

Scientific Research Program of the Department of Education of Hunan Province; National Engineering Laboratory for Applied Technology of Forestry and Ecology in South China; Key Laboratory of Urban Forest Ecology of Hunan Province

机构署名：

本校为第一且通讯机构

院系归属：

生命科学与技术学院

摘要：

Understanding the spatial and temporal variations of urban carbon dioxide fluxes (F-CO2) and their influencing factors is crucial for solving urban climate problems and promoting the development of low-carbon cities. In this study, the carbon dioxide flux (F-CO2) in Changsha City, China, was analyzed using the eddy covariance technique and flux footprint model. The results showed that the extent of the flux footprint within the observation site was mostly limited to 500 m. Diurnal variation of F-CO2 showed a regular pattern influenced by plant photosynthesis and traffic flow. Meanwhile, photos...

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Spatial and Temporal Variations of Carbon Dioxide Fluxes in Urban Ecosystems of Changsha, China

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