Temporal variations of large scale vertical wind perturbations in the lower thermosphere revealed by Na lidar

Tao Yuan, Utah State University, Physics, Logan, UT, United States, Neal Criddle, Utah State Univ, Logan, UT, United States, Jan Josef Sojka, Space Environment Corporation, Physics Department, Logan, UT, United States and Don Rice, Utah State University, Physics Department, Logan, UT, United States