Formation of secondary organic aerosol from wildfire emissions enhanced by long-time ageing

Y He, B Zhao, S Wang, R Valorso, X Chang, D Yin… - Nature …, 2024 - nature.com
Wildfire smoke, consisting primarily of organic aerosols, has profound impacts on air quality,
climate and human health. Wildfire organic aerosol evolves over long-time photochemical …

[HTML][HTML] Aerosol size distribution changes in FIREX-AQ biomass burning plumes: the impact of plume concentration on coagulation and OA condensation/evaporation

NA June, AL Hodshire, EB Wiggins… - Atmospheric …, 2022 - acp.copernicus.org
The evolution of organic aerosol (OA) and aerosol size distributions within smoke plumes is
uncertain due to the variability in rates of coagulation and OA condensation/evaporation …

Phase Behavior and Viscosity in Biomass Burning Organic Aerosol and Climatic Impacts

FKA Gregson, NGA Gerrebos… - Environmental …, 2023 - ACS Publications
Smoke particles generated by burning biomass consist mainly of organic aerosol termed
biomass burning organic aerosol (BBOA). BBOA influences the climate by scattering and …

Look up: Probing the vertical profile of new particle formation and growth in the planetary boundary layer with models and observations

SE O'Donnell, A Akherati, Y He… - Journal of …, 2023 - Wiley Online Library
The processes of new particle formation (NPF) and growth are important contributors to
cloud condensation nuclei (CCN) concentrations, and CCN are important for climate from …

High Viscosity and Two Phases Observed over a Range of Relative Humidities in Biomass Burning Organic Aerosol from Canadian Wildfires

NGA Gerrebos, J Zaks, FKA Gregson… - Environmental …, 2024 - ACS Publications
Biomass burning organic aerosol (BBOA) is a major contributor to organic aerosol in the
atmosphere. The impacts of BBOA on climate and health depend strongly upon their …

Emission Factors From Wildfires in the Western US: An Investigation of Burning State, Ground Versus Air, and Diurnal Dependencies During the FIREX‐AQ 2019 …

MN Fiddler, C Thompson, RP Pokhrel… - Journal of …, 2024 - Wiley Online Library
Emission factors (EFs) are crucial in understanding the effects of wildfire emissions on air
quality. We examined the variability of EFs of three wildfires (Nethker, Castle, and 204 Cow) …

Intense formation of secondary ultrafine particles from Amazonian vegetation fires and their invigoration of deep clouds and precipitation

M Shrivastava, J Fan, Y Zhang, QZ Rasool, B Zhao… - One Earth, 2024 - cell.com
New particle formation (NPF) in fire smoke is thought to be unlikely due to large
condensation and coagulation sinks that scavenge molecular clusters. We analyze aircraft …

Measurement report: Atmospheric aging of combustion-derived particles–impact on stable free radical concentration and its ability to produce reactive oxygen species …

HL Runberg, BJ Majestic - Atmospheric Chemistry and Physics, 2023 - acp.copernicus.org
Environmentally persistent free radicals (EPFRs) are a pollutant found on fine atmospheric
particulate matter (PM 2.5), particularly on PM 2.5 formed from combustion processes …

Multi-day photochemical evolution of organic aerosol from biomass burning emissions

A Dearden, Y He, A Akherati, CY Lim… - Environmental …, 2024 - pubs.rsc.org
Biomass burning is an important source of primary and secondary organic aerosol (POA,
SOA, and together, OA) to the atmosphere. The photochemical evolution of biomass burning …

Secondary organic aerosol formation from volatile chemical product emissions: Model parameters and contributions to anthropogenic aerosol

S Sasidharan, Y He, A Akherati, Q Li, W Li… - Environmental …, 2023 - ACS Publications
Volatile chemical products (VCP) are an increasingly important source of hydrocarbon and
oxygenated volatile organic compound (OVOC) emissions to the atmosphere, and these …