[P-EM16] Coupling Processes in the Atmosphere-Ionosphere System

[PEM16-P12] Spatiotemporal variations of sporadic Ca+ layers: Effect of atmospheric gravity waves

*Azusa Yamakawa¹, Mitsumu K. Ejiri^1,2, Takuji Nakamura^1,2, Masayuki Katsuragawa³, Ayaka Hashimoto³, Takuo T. Tsuda³, Takanori Nishiyama^1,2, Makoto Abo⁴, Katsuhiko Tsuno⁵, Takayo Ogawa⁵, Tomoyuki Wada⁵, Sayako Miyoshi³, Shoki Tajima³, Yuki Kojima³ (1. The Graduate University for Advanced Studies, 2. National Institute of Polar Research, 3. The University of Electro-Communications, 4. Tokyo Metropolitan University, 5. RIKEN)

Keywords:Lower ionosphere, Resonance scattering lidar observation, Sporadic E layer, Atmospheric gravity waves, Airglow observation