Catastrophic impact of extreme 2019 Indonesian peatland fires on urban air quality and health

IF 8.1 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES Communications Earth & Environment Pub Date : 2024-11-02 DOI:10.1038/s43247-024-01813-w
Mark J. Grosvenor, Vissia Ardiyani, Martin J. Wooster, Stefan Gillott, David C. Green, Puji Lestari, Wiranda Suri
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Abstract

Tropical peatland fires generate substantial quantities of airborne fine particulate matter (PM2.5) and in Indonesia are intensified during El Niño-related drought leading to severe air quality impacts affecting local and distant populations. Limited in-situ data often necessitates reliance on air quality models, like that of the Copernicus Atmosphere Monitoring Service, whose accuracy in extreme conditions is not fully understood. Here we demonstrate how a network of low-cost sensors around Palangka Raya, Central Kalimantan during the 2019 fire season, quantified extreme air quality and city-scale variability. The data indicates relatively strong model performance. Health impacts are substantial with estimates of over 1200 excess deaths in the Palangka Raya region, over 3200 across Central Kalimantan and more than 87,000 nationwide in 2019 due to fire-induced PM2.5 exposure. These findings highlight the need for urgent action to mitigate extreme fire events, including reducing fire use and landscape remediation to prevent peat fire ignition. Networks of low-cost sensors can be used with atmospheric models to understand variability of air quality on a fine scale and show that emissions from peatland fires contribute to many excess deaths, suggests an analysis from the 2019 fire season in Kalimantan

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2019 年印度尼西亚泥炭地极端火灾对城市空气质量和健康的灾难性影响
热带泥炭地火灾会产生大量空气中的细颗粒物(PM2.5),在印度尼西亚,与厄尔尼诺现象有关的干旱会加剧火灾,导致严重的空气质量问题,影响当地和远方的居民。由于现场数据有限,通常需要依赖空气质量模型,如哥白尼大气监测服务的模型,而这些模型在极端条件下的准确性尚不完全清楚。在此,我们展示了在 2019 年火灾季节期间,加里曼丹中部 Palangka Raya 周围的低成本传感器网络是如何量化极端空气质量和城市尺度变化的。数据表明模型性能相对较强。对健康的影响是巨大的,据估计,2019 年,由于火灾引起的 PM2.5 暴露,巴朗卡拉亚地区将有 1200 多人死亡,整个中加里曼丹将有 3200 多人死亡,全国将有 87000 多人死亡。这些发现凸显了采取紧急行动缓解极端火灾事件的必要性,包括减少用火和景观整治,以防止泥炭火灾的发生。低成本传感器网络可与大气模型一起用于了解精细尺度上的空气质量变化,并表明泥炭地火灾的排放导致了许多超额死亡,这是对加里曼丹岛 2019 年火灾季节的分析结果。
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来源期刊
Communications Earth & Environment
Communications Earth & Environment Earth and Planetary Sciences-General Earth and Planetary Sciences
CiteScore
8.60
自引率
2.50%
发文量
269
审稿时长
26 weeks
期刊介绍: Communications Earth & Environment is an open access journal from Nature Portfolio publishing high-quality research, reviews and commentary in all areas of the Earth, environmental and planetary sciences. Research papers published by the journal represent significant advances that bring new insight to a specialized area in Earth science, planetary science or environmental science. Communications Earth & Environment has a 2-year impact factor of 7.9 (2022 Journal Citation Reports®). Articles published in the journal in 2022 were downloaded 1,412,858 times. Median time from submission to the first editorial decision is 8 days.
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