2020
DOI: 10.5194/acp-20-2533-2020
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The impacts of biomass burning activities on convective systems over the Maritime Continent

Abstract: Abstract. Convective precipitation associated with Sumatra squall lines and diurnal rainfall over Borneo is an important weather feature of the Maritime Continent in Southeast Asia. Over the past few decades, biomass burning activities have been widespread during summertime over this region, producing massive fire aerosols. These additional aerosols, when brought into the atmosphere, besides influencing the local radiation budget through directly scattering and absorbing sunlight, can also act as cloud condens… Show more

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Cited by 15 publications
(8 citation statements)
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References 54 publications
(64 reference statements)
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“…Note that the choice of BB emission inventory could significantly affect the simulated aerosols due to the uncertainty in emission inventories introduced by a variety of measurements or analysis procedures, including detection of fire or areas burned, retrieval of fire-radiative power, emission factors, biome types, burning stages, and fuel consumption estimates (T. Pan et al, 2020). While the comparison of BB emission inventories is beyond the scope of this study, the FINN version 1.5 utilized in this study is widely used in BB aerosol modeling investigations (Lee and Wang, 2020;Wang et al, 2021;Takeishi and Wang, 2022); nevertheless, the potential impact of using different inventories needs to be kept in mind. To investigate the impacts of March BB aerosols on radiation, circulation, and precipitation, we conduct two groups of simulations with different BB emission scenarios and compare these results.…”
Section: Model and Experimental Designmentioning
confidence: 99%
See 1 more Smart Citation
“…Note that the choice of BB emission inventory could significantly affect the simulated aerosols due to the uncertainty in emission inventories introduced by a variety of measurements or analysis procedures, including detection of fire or areas burned, retrieval of fire-radiative power, emission factors, biome types, burning stages, and fuel consumption estimates (T. Pan et al, 2020). While the comparison of BB emission inventories is beyond the scope of this study, the FINN version 1.5 utilized in this study is widely used in BB aerosol modeling investigations (Lee and Wang, 2020;Wang et al, 2021;Takeishi and Wang, 2022); nevertheless, the potential impact of using different inventories needs to be kept in mind. To investigate the impacts of March BB aerosols on radiation, circulation, and precipitation, we conduct two groups of simulations with different BB emission scenarios and compare these results.…”
Section: Model and Experimental Designmentioning
confidence: 99%
“…However, the initial suppressive effect of BB aerosols on rainfall can lead to convective invigoration by cold rain processes (Martins et al, 2009). BB aerosols may also enhance rainfall under certain conditions, which are highly dependent on factors such as the altitude and longevity of the smoke plume (Tummon et al, 2010;Ban-Weiss et al, 2012;Herbert et al, 2021), the atmospheric degree of instability (Gonçalves et al, 2015), and the diurnal cycle of the convective system (Lee and Wang, 2020;Herbert et al, 2021). The above-mentioned perturbations caused by BB aerosols can also affect largescale atmospheric circulation, thus changing the regional climate (Zhang et al, 2009;Lee et al, 2014;Jiang et al, 2020;Zhou et al, 2021).…”
Section: Introductionmentioning
confidence: 99%
“…Simulations using the Weather Research and Forecast modeling system with Chemistry (WRF‐Chem‐SMOKE) for northern Canada (Lu & Sokolik, 2013 ) and the western United States (Twohy et al., 2021 ) show that clouds significantly influenced by biomass burning smoke have increased cloud droplet number concentrations and decreased cloud droplet sizes. In this way, biomass burning particles can delay the onset of precipitation, affecting the lifetime, chemistry, and microphysical properties of clouds (Andreae et al., 2004 ; Ge et al., 2014 ; Grandey et al., 2016 ; Lee & Wang, 2020 ; Lu & Sokolik, 2013 ).…”
Section: Introductionmentioning
confidence: 99%
“…Wildfires can affect severe convective storms and weather by releasing large amounts of aerosol particles ( 6 ) and sensible heat ( 7 ). The former can affect storm intensity and weather hazards through aerosol–cloud interactions ( 8 11 ). The latter modifies the environmental thermodynamics and can generate pyrocumulonimbus (pyroCb) clouds ( 12 17 ).…”
mentioning
confidence: 99%
“…Studies of wildfire effects on severe convective storms and weather hazards focused on the pyroCb ( 7 , 12 17 ) or local wildfire aerosol effects ( 8 11 ). Few studies have explored the impact of long-range transported biomass burning aerosols on severe storms ( 18 20 ).…”
mentioning
confidence: 99%