Characteristics of ionospheric electron density profiles in the auroral and polar cap regions from long-term incoherent scatter radar observations

Liudmila Zabotina, Korea Polar Research Institute, Division of Polar Climate Sciences, Incheon, South Korea, Eunsol Kim, Chungnam National University, Department Astronomy, Space Science and Geology, Daejeon, South Korea, Young-Sil Kwak, KASI, Daejeon, South Korea, Yongha Kim, Chungnam National University, Daejeon, South Korea and Hyosub Kil, Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States