Authors:Guannan Geng, Emory UniversityNancy L. Murray, Emory UniversityDaniel Tong, NOAA Air Resources LaboratoryJoshua S. Fu, University of TennesseeXuefei Hu, Emory UniversityPius Lee, NOAA Air Resources LaboratoryXia Meng, Emory UniversityHoward Chang, Emory UniversityYang Liu, Emory University