Abstract
Seismic and radio-echo sounding data have been acquired along coincident profiles at the temperate Johnsons Glacier (Livingston Island, South Shetland Islands, Antarctica). Seismic data have been processed and the results provide information about ice-thickness and bedrock topography. Preliminary results of the radio-echo sounding survey also show clear bedrock reflections, except in some highlycrevassed areas. Diffraction from englacial bodies and bottom irregularities are observed in many places. Further processing of seismic and radar data sets will allow us to compare the ice-thickness determined from both methods and to extract additional information about the internal structure and physical parameters of temperate ice.
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