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Local Anomalies in the Column-Averaged Dry Air Mole Fractions of Carbon Dioxide Across the Globe During the First Months of the Coronavirus Recession
Chevallier, Frederic1; Zheng, Bo1; Broquet, Gregoire1; Ciais, Philippe1; Liu, Zhu2; Davis, Steven J.3; Deng, Zhu2; Wang, Yilong4; Breon, Francois-Marie1; O'Dell, Christopher W.5
2020-11-28
Source PublicationGEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
Volume47Issue:22Pages:9
Corresponding AuthorChevallier, Frederic(frederic.chevallier@lsce.ipsl.fr)
AbstractWe use a global transport model and satellite retrievals of the carbon dioxide (CO2) column average to explore the impact of CO2 emissions reductions that occurred during the economic downturn at the start of the Covid-19 pandemic. The changes in the column averages are substantial in a few places of the model global grid, but the induced gradients are most often less than the random errors of the retrievals. The current necessity to restrict the quality-assured column retrievals to almost cloud-free areas appears to be a major obstacle in identifying changes in CO2 emissions. Indeed, large changes have occurred in the presence of clouds, and in places that were cloud free in 2020, the comparison with previous years is hampered by different cloud conditions during these years. We therefore recommend to favor all-weather CO2 monitoring systems, at least in situ, to support international efforts to reduce emissions.
Keywordcarbon dioxide emissions OCO‐ 2 Paris Agreement plume satellite
DOI10.1029/2020GL090244
WOS KeywordCO2 EMISSIONS ; SPACE
Indexed BySCI
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000595819700065
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/156470
Collection中国科学院地理科学与资源研究所
Corresponding AuthorChevallier, Frederic
Affiliation1.Univ Paris Saclay, Lab Sci Climat & Environm, CEA CNRS UVSQ, LSCE IPSL, Gif Sur Yvette, France
2.Tsinghua Univ, Dept Earth Syst Sci, Beijing, Peoples R China
3.Univ Calif Irvine, Dept Earth Syst Sci, Irvine, CA USA
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing, Peoples R China
5.Colorado State Univ, Cooperat Inst Res Atmosphere, Ft Collins, CO 80523 USA
Recommended Citation
GB/T 7714
Chevallier, Frederic,Zheng, Bo,Broquet, Gregoire,et al. Local Anomalies in the Column-Averaged Dry Air Mole Fractions of Carbon Dioxide Across the Globe During the First Months of the Coronavirus Recession[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(22):9.
APA Chevallier, Frederic.,Zheng, Bo.,Broquet, Gregoire.,Ciais, Philippe.,Liu, Zhu.,...&O'Dell, Christopher W..(2020).Local Anomalies in the Column-Averaged Dry Air Mole Fractions of Carbon Dioxide Across the Globe During the First Months of the Coronavirus Recession.GEOPHYSICAL RESEARCH LETTERS,47(22),9.
MLA Chevallier, Frederic,et al."Local Anomalies in the Column-Averaged Dry Air Mole Fractions of Carbon Dioxide Across the Globe During the First Months of the Coronavirus Recession".GEOPHYSICAL RESEARCH LETTERS 47.22(2020):9.
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