TY JOUR TI Thermospheric effects during the magnetic superstorms in May 2024 and October-November 2003 in the Northern Hemisphere and the ionospheric response to them KW mid- and high-latitude ionosphere KW ionosonde chains KW geomagnetic storm KW variations of ionospheric parameters JO Solar-Terrestrial Physics AU Chernigovskaya, M.A. AU Khabituev, D.S. AU Setov, A.G. AU Ratovsky, K.G. AU Kalishin, A.S. AU Dolgacheva, S.A. AU Stepanov, A.E. AU Belinskaya, A.Y. AU Bychkov, V.V. AU Grigorieva, S.A. AU Panchenko, V.A. AU Timchenko, A.V. PY 2026 IS 12 PB INFRA-M Academic Publishing LLC.