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The significance of pyrogenic polycyclic aromatic hydrocarbons in Borneo peat core for the reconstruction of fire history

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Title: The significance of pyrogenic polycyclic aromatic hydrocarbons in Borneo peat core for the reconstruction of fire history
Authors: Kong, Sher-Rine Browse this author
Yamamoto, Masanobu Browse this author →KAKEN DB
Shaari, Hasrizal Browse this author
Hayashi, Ryoma Browse this author →KAKEN DB
Seki, Osamu Browse this author →KAKEN DB
Tahir, Norhayati Mohd Browse this author
Fadzil, Muhammad Fais Browse this author
Sulaiman, Abdullah Browse this author
Issue Date: 8-Sep-2021
Publisher: PLOS
Journal Title: PLoS ONE
Volume: 16
Issue: 9
Start Page: e0256853
Publisher DOI: 10.1371/journal.pone.0256853
Abstract: The reconstruction of fire history is essential to understand the palaeoclimate and human history. Polycyclic aromatic hydrocarbons (PAHs) have been extensively used as a fire marker. In this work, the distribution of PAHs in Borneo peat archives was investigated to understand how PAHs reflect the palaeo-fire activity. In total, 52 peat samples were analysed from a Borneo peat core for the PAH analysis. Pyrogenic PAHs consist of 2-7 aromatic rings, some of which have methyl and ethyl groups. The results reveal that the concentration of pyrogenic PAHs fluctuated with the core depth. Compared to low-molecular-weight (LMW) PAHs, the high-molecular-weight (HMW) PAHs had a more similar depth variation to the charcoal abundance. This finding also suggests that the HMW PAHs were mainly formed at a local fire near the study area, while the LMW PAHs could be transported from remote locations.
Rights: http://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/84391
Appears in Collections:環境科学院・地球環境科学研究院 (Graduate School of Environmental Science / Faculty of Environmental Earth Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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