2024-03-29T01:31:08Z
https://u-ryukyu.repo.nii.ac.jp/oai
oai:u-ryukyu.repo.nii.ac.jp:02019362
2023-08-03T05:37:43Z
1642838163960:1642838338003
1642838403551:1642838406414
Measurement of Ambient PAHs in Kumamoto: Differentiating Local and Transboundary Air Pollution
Sugiyama, Taichi
Shimada, Kojiro
Miura, Kaori
Lin, Neng-Huei
Kim, Pyo Yong
Chan, K. Chak
Takami, Akinori
Hatakeyama, Shiro
open access
© Taiwan Association for Aerosol Research
the Creative Commons Attribution 4.0 License (CC BY 4.0)
Indeno(1, 2, 3-cd)pyrene
Lead
Contribution of transboundary air pollution
Contribution of local air pollution
PMF analysis
We developed an index to investigate the effect of transboundary air pollution (TAP) on the air quality of Kumamoto City, Japan. We estimated the effect of TAP by using the index and positive matrix factorization (PMF). Polycyclic aromatic hydrocarbons (PAHs) and trace metals were analyzed from the daily samples of the Total Suspended Particles (TSPs) collected seasonally from Oct. 2014 to Aug. 2015. These chemical components exhibited high concentrations in spring and winter, which is consistent with the data in the literature. Pb was identified as the TAP tracer owing to its high concentrations in winter and spring. Indeno(1, 2, 3-cd)pyrene (IcdP) was used as the local emission tracer in Kumamoto on the basis of previous studies. We applied the IcdP/Pb ratio as the index. The index enables the detection of TAP in daily data sets. PMF identified six factors: soil and road dust, biomass and waste burning, heavy oil combustion, fishing boats, vehicle emission, and coal combustion. The average contribution of TAP on the days when transboundary pollution was high was evaluated as being 46%.
Taiwan Association for Aerosol Research
2017-12
eng
journal article
VoR
http://hdl.handle.net/20.500.12000/0002019362
https://u-ryukyu.repo.nii.ac.jp/records/2019362
https://doi.org/10.4209/aaqr.2016.12.0585
1680-8584
2071-1409
Aerosol and Air Quality Research
17
12
3106
3118
https://u-ryukyu.repo.nii.ac.jp/record/2019362/files/aaqr-16-12-lrt-0585.pdf
1.2 MB