Abstract
Forest and land fires occur almost every year in South Sumatera Province, including at Ogan Komering Ilir (OKI) Regency, mainly due to uncontrolled burning activities. This region has the largest peatland responsible for the adverse haze impacts. The advent of the coronavirus (COVID-19) pandemic in early 2020 has triggered massive consequences across the global communities, including Indonesia. Therefore, large-scale regulations on social restrictions were enacted. The purpose of this study is to analyze the variations in hotspots as forest and land fire indicators before and during the COVID-19 pandemic in OKI as well as to determine the rainfall effects. Daily Terra/Aqua MODIS satellite feeds and rainfall data between January 2018 and December 2020 served as the research materials. Subsequently, the paired t-test and correlation assessment were used to examine the hotspot variations in both datasets, respectively. The results showed significant statistical differences before and during the pandemic. Consequently, social restrictions were assumed to instigate the decline in burning activities. Furthermore, the rainfall demonstrated a vulnerable correlation to the hotspots, indicating that human factor was more pronounced as a fire trigger.
Highlights
Forest and land fires are common occurrences in SouthSumatera Province
This region is among the fire-prone locations in Indonesia (KLHK, 2018) with the highest hotspots and burned area (Ardiansyah et al, 2017) and widespread forest fire regions (Indratmoko & Rizqihandari, 2019), covering 336,798 ha of burned area in 2019 (KLHK, 2021)
This study aims to determine the possibility of social restrictions in the burning prevention in Ogan Komering Ilir (OKI)
Summary
Forest and land fires are common occurrences in SouthSumatera Province. This region is among the fire-prone locations in Indonesia (KLHK, 2018) with the highest hotspots and burned area (Ardiansyah et al, 2017) and widespread forest fire regions (Indratmoko & Rizqihandari, 2019), covering 336,798 ha of burned area in 2019 (KLHK, 2021). The fires are known to have instigated haze alongside a significant impact on public health and are strongly related to the peatland incidence where huge carbon materials are released during the burning. These substances combine with water vapor producing thick smoke haze containing aerosols, particulate matter, and other trace gases which are hazardous to human health and the surrounding environments Among the peatland area distribution, OKI demonstrated the maximum coverage of approximately 640,647 ha (50%) (BBSDLP, 2011)
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