Mesospheric and lower thermospheric chemistry effects on the thermosphere and ionosphere semiannual oscillations
McArthur Jones Jr1, John T Emmert2, David E Siskind2, Douglas Patrick Drob3 and Eric K Sutton4, (1)US Naval Research Laboratory, Space Science Divsion, Washington, DC, United States, (2)Naval Research Lab, Washington, DC, United States, (3)Naval Research Lab, Space Science Division, Washington, United States, (4)University of Colorado at Boulder, Space Weather Technology, Research, and Education Center, Boulder, United States