TY  JOUR
TI  Trends in the F2-layer critical frequency from data obtained at the ionospheric station Yakutsk during the period from 1956 to 2017
KW  long-term trends
KW  solar activity
KW  subauroral ionosphere
KW  F2-layer critical frequencies
JO  Solar-Terrestrial Physics
AU  Кобякова, С.Е.
AU  Гололобов, А.Ю.
AU  Каримов, Р.Р.
AU  Степанов, А.Е.
PY  2025
IS  11
PB  Институт солнечно-земной физики СО РАН