Historical trend of polycyclic aromatic hydrocarbons in a sediment core from Osaka Bay during the Meghalayan

Polycyclic aromatic hydrocarbons (PAHs) are produced by incomplete combustion of biomass and fossil fuel, yet PAHs have been rarely analyzed in coastal sediment cores as a tracer for human activities before industrialization. The aim of this study was to assess if the historical trend of PAHs can be...

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Bibliographic Details
Published in:Holocene (Sevenoaks) 2024-07, Vol.34 (7), p.860-869
Main Authors: Nitzsche, Kai Nils, Ishikawa, Naoto F, Yoshimura, Toshihiro, Kajita, Hiroto, Kawahata, Hodaka, Ogawa, Nanako O, Suga, Hisami, Ohkouchi, Naohiko
Format: Article
Language:English
Subjects:
17th century
19th century
Aromatic compounds
Aromatic hydrocarbons
Biomass burning
Charcoal
Combustion
Cores
Fossil fuels
Industrial development
Industrialization
Polycyclic aromatic hydrocarbons
Population decline
Sediment
Sediments
Tracers
Wooden structures
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Summary:Polycyclic aromatic hydrocarbons (PAHs) are produced by incomplete combustion of biomass and fossil fuel, yet PAHs have been rarely analyzed in coastal sediment cores as a tracer for human activities before industrialization. The aim of this study was to assess if the historical trend of PAHs can be related to past human activities. To this end, we have determined the concentrations of PAHs in a 9 m-long sediment core from Osaka Bay, which records history of the last 2400 years. The concentration of PAHs before the beginning of the 17th century CE, the beginning of the peaceful Edo period, was consistently low (
ISSN:0959-6836
1477-0911
DOI:10.1177/09596836241236320