Annual and Semiannual Variations of Thermospheric Composition Observed by GOLD

Liying Qian1, Alan Geoffrey Burns2, Richard Eastes3, Wenbin Wang2, Jerry D Lumpe4, John Correira5, J. Scott Evans6 and William E McClintock3, (1)University Corporation for Atmospheric Research, Boulder, CO, United States, (2)NCAR, HAO, Boulder, CO, United States, (3)University of Colorado, Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, (4)Computational Physics, Inc., Boulder, CO, United States, (5)Computational Physics Inc. Springfield, Springfield, VA, United States, (6)Computational Physics, Inc., Springfield, VA, United States