%0 Journal Article %T Accounting for Subgrid Scale Heterogeneity in the Frames of Numerical Model for Global Distribution of Electric Fields in the Earth Ionosphere %A Uvarov, V.M. %K Ionosphere, electric fields, electric potential, ionospheric conductivity, field-aligned currents, subgrid scale, numerical modeling, variation-difference method %J Proceedings of Petersburg Transport University %D 2022 %N 19 %P 8 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"