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Authors: Casula, G.*
Danesi, S.*
Dubbini, M.*
Vittuari, L.*
Title: Tidal forcing on David Glacier and Drygalski Ice Tongue
Editors: Cooper, A.K.; Stanford University, USA
Barrett, P.; Antarctic Research Center, NZ
Stagg, H.; Geoscience Australia, AU
Storey, B.; University of Canterbury, NZ
Stump, E.; Arizona State University, USA
Wise, W.; Florida State University, USA
Issue Date: 26-Aug-2007
Keywords: Antarctica
David Glacier
Tidal force
Geodetic observations
Abstract: During the 2005-06 Austral Summer, we carried out a joint observational campaign in the area of the David Glacier, South Victoria Land, with the aim of collecting simultaneous time series of geodetic and seismological data. We installed 7 temporary seismographic stations on rock outcrops surrounding the glacier and 3 temporary geodetic stations both on flowing ice and on rock. The seismic network registered a significant low-energy seismic activity, principally originated by ice creeping and basal stress at the interface between the ice and the bedrock. The geodetic stations allowed us to survey the glacier kinematics forced by the Ross Sea tides, and to infer the grounding line location. Here we show some details about data analysis and preliminary results.
Appears in Collections:Conference materials
02.02.05. Ice dynamics

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