El Nino driven haze over the Southern Malaysian Peninsula and Borneo

Khan, Md Firoz and Hamid, Ahmad Hazuwan and Ab Rahim, Haasyimah and Maulud, Khairul Nizam Abdul and Latif, Mohd Talib and Nadzir, Mohd Shahrul Mohd and Sahani, Mazrura and Qin, Kai and Kumar, Prashant and Varkkey, Helena and Faruque, Mohammad Rashed Iqbal and Ng, Chee Guan and Ahmadi, Seyedeh Parisa and Yusoff, Sumiani (2020) El Nino driven haze over the Southern Malaysian Peninsula and Borneo. Science of the Total Environment, 730. ISSN 0048-9697, DOI https://doi.org/10.1016/j.scitotenv.2020.139091.

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The Southeast Asian (SEA) region is no stranger to forest fires - the region has been suffering from severe air pollution (known locally as `haze') as a result of these fires, for decades. The fires in SEA region are caused by a combination of natural (the El Nino weather pattern) and man made (slash-and-burn and land clearing for plantations) factors. These fires cause the emissions of toxic aerosols and pollutants that can affect millions of people in the region. Thus, this study aims to identify the impact of the SEA haze on the Southern region of the Malaysian Peninsula and Borneo region of East Malaysia using the entire air quality observation data at surface level in 2015. Overall, the concentration of PM10 was about two-fold higher during the haze period compared to non-haze period. The concentrations of CO, flux of CO and flux of BC were aligned with PM10 during the entire observation period. The wind field and cluster of trajectory indicated that the Southern Malaysian Peninsula and Borneo were influenced mainly from thewildfires and the combustion of peat soil in the Indonesian Borneo. This study finds that wildfires from Borneo impacted the Southern Malaysian Borneo more seriously than that from Sumatra region. (C) 2020 Elsevier B.V. All rights reserved.

Item Type: Article
Funders: Universiti Malaya (IIRG009A-2019), Ministry of Higher Education, Malaysia from Fundamental Research Grant Scheme (FRGS) (FP0992019A), University of Malaya, Malaysia from Equitable Society Research Cluster (ESRC) research grant (GC003B-17SBS), UK Research & Innovation (UKRI), Universiti KebangsaanMalaysia (UKM), Malaysia (DIP-2018-030)
Uncontrolled Keywords: Aerosol; Trace gases; Haze; Wild Forest fires; Biomass burning; Peatland fires
Subjects: Q Science > Q Science (General)
Divisions: Faculty of Arts and Social Sciences > Department of International & Strategic Studies
Faculty of Science > Department of Chemistry
Deputy Vice Chancellor (Research & Innovation) Office > Institute of Ocean and Earth Sciences
Depositing User: Ms Zaharah Ramly
Date Deposited: 10 Feb 2023 07:50
Last Modified: 10 Feb 2023 07:50
URI: http://eprints.um.edu.my/id/eprint/37486

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