TY JOUR TI Assessment of the influence of near-surface conditions on the shear wavefield KW surface wave KW Love wave KW SH waves KW dispersion KW near-surface low-velocity layer KW near-surface high-velocity layer KW λ/h ratio KW finite-difference modeling KW engineering seismic exploration. JO Vestnik AGGE AU Turchkov, A.M. AU Ruhmanova, A.P. PY 2026 IS PB Association of Geologists, Geophysicists and Engineers