Contribution of vegetation and peat fires to particulate air pollution in Southeast Asia
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Reddington-2014-Contribution of vege.pdf
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Author(s)
Reddington, C L
Yoshioka, M
Balasubramanian, R
Toh, Y Y
Arnold, S. R.
Spracklen, D V
Ridley, David Andrew
Date Issued
September 2014
Journal
Environmental Research Letters
Publisher
IOP Publishing
Citation
Reddington, C L, M Yoshioka, R Balasubramanian, D Ridley, Y Y Toh, S R Arnold, and D V Spracklen. “Contribution of Vegetation and Peat Fires to Particulate Air Pollution in Southeast Asia.” Environmental Research Letters 9, no. 9 (September 1, 2014): 094006.
Version
Final published version
Abstract
Smoke haze, caused by vegetation and peat fires in Southeast Asia, is of major concern because of its adverse impact on regional air quality. We apply two different methods (a chemical transport model and a Lagrangian atmospheric transport model) to identify the locations of fires contributing to the increased mass concentration of particulate matter with diameters less than 2.5 μm (PM[subscript 2.5]) in Singapore over the period 2004–09. We find that fires in southern Sumatra account for the greatest percentage of the total fire enhancement to PM[subscript 2.5] concentrations in Singapore (42–62%), with fires in central Sumatra and Kalimantan contributing 21–35% and 14–15%, respectively. Furthermore, we find that fires in these regions also increase PM[subscript 2.5] concentrations in other major cities across Southeast Asia. Our results suggest that acting to reduce fires in southern and central Sumatra (specifically in the eastern parts of the provinces of Jambi, South Sumatra, Lampung and Riau) and southwest Kalimantan (the southern extent of the provinces of West, Central and South Kalimantan) would have the greatest benefit to particulate air quality in Singapore and more widely across Southeast Asia.
MIT Department
Massachusetts Institute of Technology. Department of Civil and Environmental Engineering
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DOI of Published Version
https://doi.org/10.1088/1748-9326/9/9/094006
