Source apportionment of PM2.5 in Thailand’s deep south by principal component analysis and impact of transboundary haze

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dc.contributor.authorPhatsarakorn Chaisongkaew
dc.contributor.authorRacha Dejchanchaiwong
dc.contributor.authorMuanfun Inerb
dc.contributor.authorNapawan Mahasakpan
dc.contributor.authorNobchonnee Nim
dc.contributor.authorHisam Samae
dc.contributor.authorPanich Intra
dc.contributor.authorJohn Morris
dc.contributor.authorThammasin Ingviya
dc.contributor.authorThanathip Limna
dc.contributor.authorPerapong Tekasakul
dc.date.accessioned2026-05-08T19:16:15Z
dc.date.issued2023-7-13
dc.description.abstractdominated throughout the year. The effects of external sources, especially the transboundary haze from peatland fires, were significantly enhanced, because the background air in the study locations was generally clean. PCA indicated that vehicle emission, local biomass burning, and secondary particles played a key role during normal period, whereas open biomass burning dominated during the haze phenomena. This was consistent with the OC/EC and PAH diagnostic ratios. Backward trajectories confirmed that the sources of PM during the haze period were predominantly peatland fires in Sumatra, Indonesia, due to southwest wind.
dc.identifier.doi10.1007/s11356-023-28419-7
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/15417
dc.publisherEnvironmental Science and Pollution Research
dc.subjectAtmospheric chemistry and aerosols
dc.subjectAir Quality and Health Impacts
dc.subjectAtmospheric and Environmental Gas Dynamics
dc.titleSource apportionment of PM2.5 in Thailand’s deep south by principal component analysis and impact of transboundary haze
dc.typeArticle

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