Lithospheric thicknesses in Antarctica from Sp receiver functions

This dataset contains the depths of negative velocity gradients that are potentially interpretable as the lithosphere-asthenosphere boundary (LAB) beneath Antarctica, derived from common conversion point stacking of Sp receiver functions. The dataset provides constraints on lithospheric thickness variations, particularly in West Antarctica, where a vertically localized LAB is observed at depths of 70–100 km. In East Antarctica, two zones of well-defined LAB depths are present in regions near the coast at depths of 75-110 km (~140˚E) and 90-130 km (~115˚E). Interpretation of these results and comparison with prior studies are provided in the associated journal article (see References).