Examination of two assumptions commonly used to determine PM<sub>2.5</sub> emission factors for wildland fires

Examination of two assumptions commonly used to determine PM_2.5 emission factors for wildland fires

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文摘

•: We examined the constant ambient CO₂ concentration assumption in fires by isotope.
•: The constant ambient CO₂ concentration assumption overestimates fire-emitted CO_2.
•: The constant ambient CO₂ concentration assumption underestimates PM_2.5 emission.
•: We examine equal diffusion assumption between CO₂ and PM_2.5 in fire plumes.
•: There is differential diffusion between CO₂ and PM_2.5 in fire plumes.