Evidence in biomass burning smoke for a light-absorbing aerosol with properties intermediate between brown and black carbon

Gabriela Adler^*, Nicholas L. Wagner, Kara D. Lamb, Katherine M. Manfred, Joshua P. Schwarz, Alessandro Franchin, Ann M. Middlebrook, Rebecca A. Washenfelder, Caroline C. Womack, Robert J. Yokelson, Daniel M. Murphy

^*Corresponding author for this work