Composition Changes Around the Equinoxes
Alan Geoffrey Burns1, Xuguang Cai2, Wenbin Wang3, Liying Qian3, Yongliang Zhang4, Richard Eastes5 and William E McClintock5, (1)National Center for Atmospheric Research, High Altitude Observatory, Boulder, CO, United States, (2)Ncar, Boulder, CO, United States, (3)NCAR, HAO, Boulder, CO, United States, (4)The Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, (5)University of Colorado, Laboratory for Atmospheric and Space Physics, Boulder, CO, United States