Five subglacial lakes and one of Antarctica’s thickest ice covers newly determined by radio echo sounding over the Vostok–Dome C region

Lili CafarellaIstituto Nazionale di Geofi sica e Vulcanologia, Via di Vigna Murata 605, 00143 Rome, Italy, [email protected];

Stefano UrbiniIstituto Nazionale di Geofi sica e Vulcanologia, Via di Vigna Murata 605, 00143 Rome, Italy, [email protected];

Cesidio BianchiIstituto Nazionale di Geofi sica e Vulcanologia, Via di Vigna Murata 605, 00143 Rome, Italy, [email protected];

Achille ZirizzottiIstituto Nazionale di Geofi sica e Vulcanologia, Via di Vigna Murata 605, 00143 Rome, Italy, [email protected];

Ignazio E. TabaccoDep. Scienze della Terra, Sez. Geofi sica, Via Cicognara 7, 20129 Milan, Italy.

Alessandro ForieriDep. Scienze della Terra, Sez. Geofi sica, Via Cicognara 7, 20129 Milan, Italy.

Abstract

Radio echo sounding (RES) measurements were collected from 1995 to 2003 during Italian Antarctic expeditions over the Vostok–Dome C region. The data collected allow for the reconstruction of a bedrock elevation map between the Belgica Highlands and the Aurora Subglacial Basin (112.0° - 124.0° E; 74.0° - 78.0° S). Moreover, analysis of the RES data has revealed one of the thickest ice covers in Antarctica (4755 ± 16 m; 118.321° E, 76.059° S) as well as fi ve new subglacial lakes.

Five subglacial lakes and one of Antarctica’s thickest ice covers newly determined by radio echo sounding over the Vostok–Dome C region

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Five subglacial lakes and one of Antarctica’s thickest ice covers newly determined by radio echo sounding over the Vostok–Dome C region

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