High latitude neutral density enhancements

Cheryl Y Huang1, Yanshi Huang2, Yi-Jiun Su1 and Tao Huang3, (1)Air Force Research Laboratory Albuquerque, Albuquerque, NM, United States, (2)HIT Harbin Institute of Technology, Shenzhen, Shenzhen, China, (3)GFZ German Research Centre for Geosciences, Section 2.3, Earth's Magnetic Field, Potsdam, Germany