Arctic spring and summertime aerosol optical depth extreme events statistics and implications for the impact of regional biomass burning processes

Peng Xian, Naval Research Lab Monterey, Marine Meteorology, Monterey, CA, United States, Jianglong Zhang, U of N Dakota-Atmos Sciences, Grand Forks, ND, United States, Norm T O'Neill, Cartel Univ Sherbrooke, Sherbrooke, QC, Canada, Travis Toth, NASA Langley Research Center, Hampton, VA, United States, Blake Sorenson, University of North Dakota, department of atmospheric sciences, Grand Forks, ND, United States, Peter Richard Colarco, NASA GSFC, Greenbelt, United States, Zak Kipling, University of Oxford, Department of Physics, Oxford, United Kingdom, Edward J Hyer, Harvard-Smithsonian CFA, Cambridge, United States, James R Campbell, Naval Research Laboratory, Monterey, United States, Jeffrey S. Reid, Marine Meteorology Division, Monterey, CA, United States and Keyvan Ranjbar, National Research Council of Canada, Ottawa, Canada