A dominant contribution to light absorption by methanol-insoluble brown carbon produced in the combustion of biomass fuels typically consumed in wildland fires in the United States
Khairallah Atwi, Zezhen Cheng, Omar El Hajj, Charles Perrie, Rawad Saleh
Abstract
Even though the majority of brown carbon in biomass-burning emissions is soluble in methanol, the methanol-insoluble fraction dominates light absorption at mid-visible wavelengths.
Topics & Concepts
MethanolBiomass (ecology)Biomass burningCombustionAbsorption (acoustics)Carbon fibersBiomass fuelsFraction (chemistry)Environmental scienceEnvironmental chemistryChemistryPhotochemistryMaterials scienceOrganic chemistryAgronomyAerosolComposite numberComposite materialBiologyAtmospheric chemistry and aerosolsAir Quality and Health ImpactsVehicle emissions and performance