Black Carbon and Sulfate Aerosols in the Arctic: Long-term Trends, Radiative Impacts, and Source Attributions

Hailong Wang1, Rudong Zhang2,3, Yang Yang3, Steven Smith4 and Philip J Rasch3, (1)Pacific Northwest National Laboratory, Richland, United States, (2)Nanjing University, School of Atmospheric Sciences, Nanjing, China, (3)Pacific Northwest National Laboratory, Richland, WA, United States, (4)Pacific Northwest National Laboratory, Joint Global Change Research Institute, College Park, United States