Quantifying the contributions of fossil fuel emissions and East Asian summer monsoon to Chinese regional background atmosphere by tree-ring Δ14C.

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Title: Quantifying the contributions of fossil fuel emissions and East Asian summer monsoon to Chinese regional background atmosphere by tree-ring Δ14C.
Authors: Qin J; State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China; University of Chinese Academy of Sciences, Beijing, China., Niu Z; State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China; Institute of Global Environmental Change, Xi'an Jiaotong University, Xi'an, China; Shaanxi Provincial Key Laboratory of Accelerator Mass Spectrometry Technology and Application, Joint Xi'an AMS Center between IEECAS and Xi'an Jiaotong University, Xi'an, China. Electronic address: niuzc@ieecas.cn., Zhou W; State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China; Shaanxi Provincial Key Laboratory of Accelerator Mass Spectrometry Technology and Application, Joint Xi'an AMS Center between IEECAS and Xi'an Jiaotong University, Xi'an, China., Wang S; College of Urban and Environmental Sciences, Northwest University, Xi'an, China; Shaanxi Xi'an Urban Ecosystem National Observation and Research Station, National Forestry and Grassland Administration, Xi'an, China., Zhou D; College of Urban and Environmental Sciences, Northwest University, Xi'an, China., Zhang G; College of Urban and Environmental Sciences, Northwest University, Xi'an, China., Feng X; Xi'an Institute for Innovative Earth Environment Research, Xi'an, China; National Observation and Research Station of Regional Ecological Environment Change and Comprehensive Management in the Guanzhong Plain, Shaanxi, China., Lu X; State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China; Shaanxi Provincial Key Laboratory of Accelerator Mass Spectrometry Technology and Application, Joint Xi'an AMS Center between IEECAS and Xi'an Jiaotong University, Xi'an, China., Fu Y; State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China; Institute of Global Environmental Change, Xi'an Jiaotong University, Xi'an, China., Ma Q; Zhejiang Lin'an, Atmospheric Background, National Observation and Research Station, Hangzhou, China.
Source: Environmental research [Environ Res] 2026 Feb 15; Vol. 291, pp. 123600. Date of Electronic Publication: 2025 Dec 19.
Publication Type: Journal Article
Journal Info: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 0147621 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1096-0953 (Electronic) Linking ISSN: 00139351 NLM ISO Abbreviation: Environ Res Subsets: MEDLINE
Database: MEDLINE Ultimate
Description
ISSN:1096-0953
DOI:10.1016/j.envres.2025.123600