Tar balls are processed, weakly absorbing, primary aerosol particles formed downwind of boreal forest fires

Arthur J Sedlacek III, Brookhaven National Lab, Upton, NY, United States, Peter R Buseck, Arizona State University, Tempe, AZ, United States, Kouji Adachi, Meteorological Research Institute, Ibaraki, Japan, Lawrence I Kleinman, Atmosph Sci Div, Upton, NY, United States, Timothy Bruce Onasch, Aerodyne Research Inc., Billerica, MA, United States and Stephen R. Springston, Brookhaven National Laboratory, Upton, NY, United States