TY JOUR TI Tropospheric response to solar effects during geomagnetic superstorms in solar cycle 23 KW ionospheric electric potential KW solar activity KW geomagnetic index KW outgoing longwave radiation KW cloudiness KW water vapor KW climate JO Solnechno-Zemnaya Fizika AU Karakhanyan, A.A. AU Molodykh, S.I. PY 2025 IS 11 PB INFRA-M Academic Publishing LLC.