TY JOUR TI Machine-learning method for reconstructing near-Earth low-energy cosmic ray fluxes from ground-based SOPO neutron monitor data KW cosmic rays KW Forbush decreases KW geomagnetic storm KW solar activity JO Solar-Terrestrial Physics AU Lagoida, I.A. AU Voronov, S.A. AU Barbashina, N.S. AU Astapov, I.I. PY 2026 IS PB INFRA-M Academic Publishing LLC.