TY JOUR TI Estimated relations between the main thermospheric neutral components at ionospheric F1-layer heights above Irkutsk in 2014–2017 KW geomagnetic disturbances KW gas component ratios JO Solar-Terrestrial Physics AU Кушнаренко, Г.П. AU Яковлева, О.Е. AU Кузнецова, Г.М. PY 2020 IS 6 PB Институт солнечно-земной физики СО РАН