Light-absorbing properties of ambient black carbon and brown carbon from fossil fuel and biomass burning sources.

Healy, R.M.; Wang, J.M.; Jeong, C.-H.; Lee, A.K.Y.; Willis, M.D.; Jaroudi, E.; Zimmerman, N.; Hilker, N.; Murphy, M.S.; Eckhardt, S.; Stohl, A.; Abbatt, J.P.D.; Wenger, J.C.; Evans, G.J.