Determining diurnal fossil fuel CO2 and biological CO2 by Δ14CO2 observation on certain summer and winter days at Chinese background sites

Zhenchuan Niu; Weijian Zhou; Xue Feng; Yaoyao Hou; Ning Chen; Hua Du; Shugang Wu; Yunchong Fu; Xuefeng Lu; Peng Cheng; Xiaohu Xiong; Peng Wang; Jianqiong Wang; Jie Yao; Jie Zhou; Ming Li

doi:10.1016/j.scitotenv.2020.136864

Determining diurnal fossil fuel CO₂ and biological CO₂ by Δ¹⁴CO₂ observation on certain summer and winter days at Chinese background sites

Zhenchuan Niu
, Weijian Zhou
, Xue Feng
, Yaoyao Hou
, Ning Chen
, Hua Du
, Shugang Wu
, Yunchong Fu
, Xuefeng Lu
, Peng Cheng
, Xiaohu Xiong
, Peng Wang
, Jianqiong Wang
, Jie Yao
, Jie Zhou
, Ming Li

人居环境与建筑工程学院

CAS - Institute of Earth Environment
CAS Center for Excellence in Quaternary Science and Global Change
Pilot National Laboratory for Marine Science and Technology
Xi'an Jiaotong University
Northwest University China
Xi'an Institute for Innovative Earth Environment Research
Waliguan Global Background Station
Lin'an Regional Background Station

科研成果: 期刊稿件 › 文章 › 同行评审

14 引用（Scopus）

摘要

Diurnal atmospheric Δ¹⁴CO₂ was measured on two consecutive days in summer and winter, 2016 at Shangdianzi, Lin'an and Luhuitou regional background sites, and at Waliguan global background site in China. The objectives of this study were to determine diurnal fossil fuel CO₂ (CO_2ff) and biological CO₂ (CO_2bio) concentrations and to ascertain the factors influencing them. Evident CO_2ff inputs (0–33.0 ± 1.4 ppm) were found, with some small morning and afternoon rush hour signals. Particularly, the long-range transport of air masses influenced the seasonal differences and rapid diurnal variations in CO_2ff. Diurnal CO_2bio showed violent variations (−20.9–113.3 ppm), with high values at night and low or negative values during the daytime. Diurnal CO_2bio variations resulted from the tradeoffs between photosynthetic CO₂ uptake and biological respiration CO₂ emission as well as atmospheric boundary layer heights variations. These results might help to understand the roles of fossil fuel sources and biological sources on atmospheric CO₂ diurnal variations at Chinese background sites.

源语言	英语
文章编号	136864
期刊	Science of the Total Environment
卷	718
DOI	https://doi.org/10.1016/j.scitotenv.2020.136864
出版状态	已出版 - 20 5月 2020

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10.1016/j.scitotenv.2020.136864

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Niu, Z., Zhou, W., Feng, X., Hou, Y., Chen, N., Du, H., Wu, S., Fu, Y., Lu, X., Cheng, P., Xiong, X., Wang, P., Wang, J., Yao, J., Zhou, J., & Li, M. (2020). Determining diurnal fossil fuel CO₂ and biological CO₂ by Δ¹⁴CO₂ observation on certain summer and winter days at Chinese background sites. Science of the Total Environment, 718, 文章 136864. https://doi.org/10.1016/j.scitotenv.2020.136864

@article{ad3bb6ab879241e4b4c751df2e3580bf,

title = "Determining diurnal fossil fuel CO2 and biological CO2 by Δ14CO2 observation on certain summer and winter days at Chinese background sites",

abstract = "Diurnal atmospheric Δ14CO2 was measured on two consecutive days in summer and winter, 2016 at Shangdianzi, Lin'an and Luhuitou regional background sites, and at Waliguan global background site in China. The objectives of this study were to determine diurnal fossil fuel CO2 (CO2ff) and biological CO2 (CO2bio) concentrations and to ascertain the factors influencing them. Evident CO2ff inputs (0–33.0 ± 1.4 ppm) were found, with some small morning and afternoon rush hour signals. Particularly, the long-range transport of air masses influenced the seasonal differences and rapid diurnal variations in CO2ff. Diurnal CO2bio showed violent variations (−20.9–113.3 ppm), with high values at night and low or negative values during the daytime. Diurnal CO2bio variations resulted from the tradeoffs between photosynthetic CO2 uptake and biological respiration CO2 emission as well as atmospheric boundary layer heights variations. These results might help to understand the roles of fossil fuel sources and biological sources on atmospheric CO2 diurnal variations at Chinese background sites.",

keywords = "Background sites, Biological sources, Diurnal atmospheric CO, Fossil fuel sources, Long-range transport, Radiocarbon",

author = "Zhenchuan Niu and Weijian Zhou and Xue Feng and Yaoyao Hou and Ning Chen and Hua Du and Shugang Wu and Yunchong Fu and Xuefeng Lu and Peng Cheng and Xiaohu Xiong and Peng Wang and Jianqiong Wang and Jie Yao and Jie Zhou and Ming Li",

note = "Publisher Copyright: {\textcopyright} 2020 Elsevier B.V.",

year = "2020",

month = may,

day = "20",

doi = "10.1016/j.scitotenv.2020.136864",

language = "英语",

volume = "718",

journal = "Science of the Total Environment",

issn = "0048-9697",

publisher = "Elsevier B.V.",

}

Niu, Z, Zhou, W, Feng, X, Hou, Y, Chen, N, Du, H, Wu, S, Fu, Y, Lu, X, Cheng, P, Xiong, X, Wang, P, Wang, J, Yao, J, Zhou, J & Li, M 2020, 'Determining diurnal fossil fuel CO₂ and biological CO₂ by Δ¹⁴CO₂ observation on certain summer and winter days at Chinese background sites', Science of the Total Environment, 卷 718, 136864. https://doi.org/10.1016/j.scitotenv.2020.136864

TY - JOUR

T1 - Determining diurnal fossil fuel CO2 and biological CO2 by Δ14CO2 observation on certain summer and winter days at Chinese background sites

AU - Niu, Zhenchuan

AU - Zhou, Weijian

AU - Feng, Xue

AU - Hou, Yaoyao

AU - Chen, Ning

AU - Du, Hua

AU - Wu, Shugang

AU - Fu, Yunchong

AU - Lu, Xuefeng

AU - Cheng, Peng

AU - Xiong, Xiaohu

AU - Wang, Peng

AU - Wang, Jianqiong

AU - Yao, Jie

AU - Zhou, Jie

AU - Li, Ming

PY - 2020/5/20

Y1 - 2020/5/20

N2 - Diurnal atmospheric Δ14CO2 was measured on two consecutive days in summer and winter, 2016 at Shangdianzi, Lin'an and Luhuitou regional background sites, and at Waliguan global background site in China. The objectives of this study were to determine diurnal fossil fuel CO2 (CO2ff) and biological CO2 (CO2bio) concentrations and to ascertain the factors influencing them. Evident CO2ff inputs (0–33.0 ± 1.4 ppm) were found, with some small morning and afternoon rush hour signals. Particularly, the long-range transport of air masses influenced the seasonal differences and rapid diurnal variations in CO2ff. Diurnal CO2bio showed violent variations (−20.9–113.3 ppm), with high values at night and low or negative values during the daytime. Diurnal CO2bio variations resulted from the tradeoffs between photosynthetic CO2 uptake and biological respiration CO2 emission as well as atmospheric boundary layer heights variations. These results might help to understand the roles of fossil fuel sources and biological sources on atmospheric CO2 diurnal variations at Chinese background sites.

AB - Diurnal atmospheric Δ14CO2 was measured on two consecutive days in summer and winter, 2016 at Shangdianzi, Lin'an and Luhuitou regional background sites, and at Waliguan global background site in China. The objectives of this study were to determine diurnal fossil fuel CO2 (CO2ff) and biological CO2 (CO2bio) concentrations and to ascertain the factors influencing them. Evident CO2ff inputs (0–33.0 ± 1.4 ppm) were found, with some small morning and afternoon rush hour signals. Particularly, the long-range transport of air masses influenced the seasonal differences and rapid diurnal variations in CO2ff. Diurnal CO2bio showed violent variations (−20.9–113.3 ppm), with high values at night and low or negative values during the daytime. Diurnal CO2bio variations resulted from the tradeoffs between photosynthetic CO2 uptake and biological respiration CO2 emission as well as atmospheric boundary layer heights variations. These results might help to understand the roles of fossil fuel sources and biological sources on atmospheric CO2 diurnal variations at Chinese background sites.

KW - Background sites

KW - Biological sources

KW - Diurnal atmospheric CO

KW - Fossil fuel sources

KW - Long-range transport

KW - Radiocarbon

UR - https://www.scopus.com/pages/publications/85079611263

U2 - 10.1016/j.scitotenv.2020.136864

DO - 10.1016/j.scitotenv.2020.136864

M3 - 文章

C2 - 32105930

AN - SCOPUS:85079611263

SN - 0048-9697

VL - 718

JO - Science of the Total Environment

JF - Science of the Total Environment

M1 - 136864

ER -

Determining diurnal fossil fuel CO2 and biological CO2 by Δ14CO2 observation on certain summer and winter days at Chinese background sites

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Determining diurnal fossil fuel CO₂ and biological CO₂ by Δ¹⁴CO₂ observation on certain summer and winter days at Chinese background sites