Emission factors and optical properties of black and brown carbon emitted at a mixed-conifer forest prescribed burn. - Butler, James D. A.; Tasnia, Afsara; Sengupta, Deep; Kreisberg, Nathan; Barsanti, Kelley C.; Goldstein, Allen H.; Preble, Chelsea V.; Sugrue, Rebecca A.; Kirchstetter, Thomas W. (Atmospheric Chemistry & Physics, 2026)