A key indicator of transboundary particulate matter pollution derived from Indonesian peatland fires in Malaysia

Yusuke Fujii, Mastura Mahmud, Masafumi Oda, Susumu Tohno, Junko Matsumoto, Akira Mizohata

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We characterized ambient total suspended particulates (TSP) based on ground-based samplings in Malaysia during nonhaze days and haze ones affected by Indonesian peatland fires. Furthermore, a key indicator of Indonesian peatland fire was determined based on chemical characterization of TSP in Malaysia. TSP samples were chemically analyzed to determine organic carbon (OC), elemental carbon (EC), inorganic ions, and biomarkers (solvent-extractable organic compounds derived from biomass burning). Regarding OC and EC, concentrations of OC1 and OP (pyrolyzed OC) defined by IMPROVE_A protocol increased remarkably during the haze episodes. On the contrary, there were no significant differences in concentrations of OC4, EC, and EC fractions between the haze and non-haze samples. Regarding inorganic ions, sulfate and ammonium concentrations increased in strong haze days, however, it is difficult to use these compounds as indicators for Indonesian peatland fires in light haze days due to the partial overlapping of the variation ranges of sulfate and ammonium concentrations in non-haze days. Concentrations of many biomarkers derived from cellulose, hemicellulose, and lignin pyrolysis products were significantly increased during strong haze days but not during light haze days except p-hydroxybenzoic acid. We proposed the OP to OC4 ratio as a potential indicator of transboundary haze pollution from Indonesian peatland fires at the receptor sites even in light haze.

Original languageEnglish
Pages (from-to)69-78
Number of pages10
JournalAerosol and Air Quality Research
Volume16
Issue number1
DOIs
Publication statusPublished - 1 Jan 2016

Fingerprint

Particulate Matter
haze
peatland
particulate matter
Fires
Pollution
Carbon
Organic carbon
pollution
Ammonium Sulfate
Biomarkers
Ions
Hydroxybenzoates
Lignin
organic carbon
Organic compounds
Cellulose
Biomass
Pyrolysis
biomarker

Keywords

  • Air pollution
  • Biomass burning
  • Carbonaceous aerosols

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution

Cite this

A key indicator of transboundary particulate matter pollution derived from Indonesian peatland fires in Malaysia. / Fujii, Yusuke; Mahmud, Mastura; Oda, Masafumi; Tohno, Susumu; Matsumoto, Junko; Mizohata, Akira.

In: Aerosol and Air Quality Research, Vol. 16, No. 1, 01.01.2016, p. 69-78.

Research output: Contribution to journalArticle

Fujii, Yusuke ; Mahmud, Mastura ; Oda, Masafumi ; Tohno, Susumu ; Matsumoto, Junko ; Mizohata, Akira. / A key indicator of transboundary particulate matter pollution derived from Indonesian peatland fires in Malaysia. In: Aerosol and Air Quality Research. 2016 ; Vol. 16, No. 1. pp. 69-78.
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