Cheng-Cheng Liu¹, Shang Liu¹, Karl D Froyd^2,3, Daniel M Murphy², Thaopaul V Bui⁴, Troy D Thornberry^2,3 and Ru-Shan Gao², (1)University of Science and Technology of China, School of Earth and Space Sciences, Hefei, China, (2)NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, CO, United States, (3)University of Colorado, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (4)NASA Ames Research Center, Moffett Field, CA, United States