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Historical sources of black carbon identified by PAHs and delta C-13 in Sanjiang Plain of Northeastern China
C. Y. Gao, H. X. Liu, J. X. Cong, D. X. Han, W. Zhao, Q. X. Lin and G. P. Wang
2018
Source PublicationAtmospheric Environment
Volume181Pages:61-69
Other AbstractBlack carbon (BC), the byproduct of incomplete combustion of fossil fuels and biomass can be stored in soil for a long time and potentially archive changes in natural and human activities. Increasing amounts of BC has been produced from human activities during the past 150 years and has influenced global climate change and carbon cycle. Identifying historical BC sources is important in knowing how historical human activities influenced BC and BC transportation processes in the atmosphere. In this study, PAH components and delta C-13-BC in peatland in the Sanjiang Plain were used for identifying and verifying regional BC sources during the last 150 years. Results showed that environment-unfriendly industry developed at the end of the 1950s produced a great amount of BC and contributed the most BC in this period. In other periods, however, BC in the Sanjiang Plain was mainly produced from incomplete biomass burning before the 1990s; particularly, slash-and-burn of pastures and forests during regional reclamation periods between the 1960s and 1980s produced a huge amount of biomass burning BC, which then deposited into the surrounding ecosystems. With the regional reclamation decreasing and environment-friendly industry developing, the proportion of BC emitted and deposited from transportation sources increased and transportation source became an important BC source in the Sanjiang Plain after the 1990s.
Document Type期刊论文
Identifierhttp://ir.iga.ac.cn/handle/131322/9179
Collection湿地生态系统管理学科组
Recommended Citation
GB/T 7714
C. Y. Gao, H. X. Liu, J. X. Cong, D. X. Han, W. Zhao, Q. X. Lin and G. P. Wang. Historical sources of black carbon identified by PAHs and delta C-13 in Sanjiang Plain of Northeastern China[J]. Atmospheric Environment,2018,181:61-69.
APA C. Y. Gao, H. X. Liu, J. X. Cong, D. X. Han, W. Zhao, Q. X. Lin and G. P. Wang.(2018).Historical sources of black carbon identified by PAHs and delta C-13 in Sanjiang Plain of Northeastern China.Atmospheric Environment,181,61-69.
MLA C. Y. Gao, H. X. Liu, J. X. Cong, D. X. Han, W. Zhao, Q. X. Lin and G. P. Wang."Historical sources of black carbon identified by PAHs and delta C-13 in Sanjiang Plain of Northeastern China".Atmospheric Environment 181(2018):61-69.
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