On the importance of the lower-thermospheric circulation in determining thermospheric density and composition

Jack Wang1,2, Jia Yue1,2, Wenbin Wang3, Liying Qian3, Qian Wu3,4 and Ningchao Wang5, (1)NASA Goddard Space Flight Center, Community Coordinated Modeling Center, Greenbelt, United States, (2)Catholic University of America, Washington, United States, (3)National Center for Atmospheric Research, High Altitude Observatory, Boulder, United States, (4)University Corporation for Atmospheric Research, COSMIC Program Office, Boulder, United States, (5)NASA Langley Research Center, Hampton, United States