Size-Segregated Particulate Matter Down to PM<sub>0.1</sub> and Carbon Content during the Rainy and Dry Seasons in Sumatra Island, Indonesia
Size-segregated particulate matter (PM) including the PM<sub>0.1</sub> fraction, particles ≤0.1 µm, was monitored during the rainy and dry seasons at three different cities in Sumatra island, Indonesia in 2018. In order to identify possible emission sources, carbonaceous components in th...
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2021
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oai:doaj.org-article:b0b351eab1734c38b87062133af8749d2021-11-25T16:44:50ZSize-Segregated Particulate Matter Down to PM<sub>0.1</sub> and Carbon Content during the Rainy and Dry Seasons in Sumatra Island, Indonesia10.3390/atmos121114412073-4433https://doaj.org/article/b0b351eab1734c38b87062133af8749d2021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4433/12/11/1441https://doaj.org/toc/2073-4433Size-segregated particulate matter (PM) including the PM<sub>0.1</sub> fraction, particles ≤0.1 µm, was monitored during the rainy and dry seasons at three different cities in Sumatra island, Indonesia in 2018. In order to identify possible emission sources, carbonaceous components in the particles collected by a cascade air sampler that is capable of collecting PM<sub>0.1</sub> particles were analyzed by applying a thermal/optical reflectance (IMPROVE-TOR) protocol. The PM<sub>0.1</sub> levels in the Jambi and Pekanbaru areas were similar to those in large cities in East Asia, such as Bangkok and Hanoi. During the rainy season, local emissions in the form of vehicle combustion were the main sources of PM. The influence of peatland fires in the dry season was more significant in cities that are located on the east coast of Sumatra island because of the larger number of hotspots and air mass trajectories along the coast. A clear increase in the carbonaceous profiles as OC, TC, and OC/EC ratios in the dry season from the rainy season was observed, particularly in fine fractions such as PM<sub>0.5–1</sub>. In both seasons, EC vs. OC/EC correlations and soot-EC/TC ratios showed that the PM<sub>0.1</sub> fraction in Sumatra island was heavily influenced by vehicle emissions, while the effect of biomass burning was more sensitive with respect to the PM<sub>0.5–1</sub> fraction, particularly in Jambi and Pekanbaru sites during the dry season.Muhammad AminRahmi Mulia PutriRizki Andre HandikaAulia UllahFadjar GoembiraWorradorn PhairuangFumikazu IkemoriMitsuhiko HataPerapong TekasakulMasami FuruuchiMDPI AGarticlePM<sub>0.1</sub>carbonaceous componentdry seasonrainy seasonSumatra islandIndonesiaMeteorology. ClimatologyQC851-999ENAtmosphere, Vol 12, Iss 1441, p 1441 (2021) |
| institution |
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| collection |
DOAJ |
| language |
EN |
| topic |
PM<sub>0.1</sub> carbonaceous component dry season rainy season Sumatra island Indonesia Meteorology. Climatology QC851-999 |
| spellingShingle |
PM<sub>0.1</sub> carbonaceous component dry season rainy season Sumatra island Indonesia Meteorology. Climatology QC851-999 Muhammad Amin Rahmi Mulia Putri Rizki Andre Handika Aulia Ullah Fadjar Goembira Worradorn Phairuang Fumikazu Ikemori Mitsuhiko Hata Perapong Tekasakul Masami Furuuchi Size-Segregated Particulate Matter Down to PM<sub>0.1</sub> and Carbon Content during the Rainy and Dry Seasons in Sumatra Island, Indonesia |
| description |
Size-segregated particulate matter (PM) including the PM<sub>0.1</sub> fraction, particles ≤0.1 µm, was monitored during the rainy and dry seasons at three different cities in Sumatra island, Indonesia in 2018. In order to identify possible emission sources, carbonaceous components in the particles collected by a cascade air sampler that is capable of collecting PM<sub>0.1</sub> particles were analyzed by applying a thermal/optical reflectance (IMPROVE-TOR) protocol. The PM<sub>0.1</sub> levels in the Jambi and Pekanbaru areas were similar to those in large cities in East Asia, such as Bangkok and Hanoi. During the rainy season, local emissions in the form of vehicle combustion were the main sources of PM. The influence of peatland fires in the dry season was more significant in cities that are located on the east coast of Sumatra island because of the larger number of hotspots and air mass trajectories along the coast. A clear increase in the carbonaceous profiles as OC, TC, and OC/EC ratios in the dry season from the rainy season was observed, particularly in fine fractions such as PM<sub>0.5–1</sub>. In both seasons, EC vs. OC/EC correlations and soot-EC/TC ratios showed that the PM<sub>0.1</sub> fraction in Sumatra island was heavily influenced by vehicle emissions, while the effect of biomass burning was more sensitive with respect to the PM<sub>0.5–1</sub> fraction, particularly in Jambi and Pekanbaru sites during the dry season. |
| format |
article |
| author |
Muhammad Amin Rahmi Mulia Putri Rizki Andre Handika Aulia Ullah Fadjar Goembira Worradorn Phairuang Fumikazu Ikemori Mitsuhiko Hata Perapong Tekasakul Masami Furuuchi |
| author_facet |
Muhammad Amin Rahmi Mulia Putri Rizki Andre Handika Aulia Ullah Fadjar Goembira Worradorn Phairuang Fumikazu Ikemori Mitsuhiko Hata Perapong Tekasakul Masami Furuuchi |
| author_sort |
Muhammad Amin |
| title |
Size-Segregated Particulate Matter Down to PM<sub>0.1</sub> and Carbon Content during the Rainy and Dry Seasons in Sumatra Island, Indonesia |
| title_short |
Size-Segregated Particulate Matter Down to PM<sub>0.1</sub> and Carbon Content during the Rainy and Dry Seasons in Sumatra Island, Indonesia |
| title_full |
Size-Segregated Particulate Matter Down to PM<sub>0.1</sub> and Carbon Content during the Rainy and Dry Seasons in Sumatra Island, Indonesia |
| title_fullStr |
Size-Segregated Particulate Matter Down to PM<sub>0.1</sub> and Carbon Content during the Rainy and Dry Seasons in Sumatra Island, Indonesia |
| title_full_unstemmed |
Size-Segregated Particulate Matter Down to PM<sub>0.1</sub> and Carbon Content during the Rainy and Dry Seasons in Sumatra Island, Indonesia |
| title_sort |
size-segregated particulate matter down to pm<sub>0.1</sub> and carbon content during the rainy and dry seasons in sumatra island, indonesia |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/b0b351eab1734c38b87062133af8749d |
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