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Summary of IceBridge Observations on Fast Glacier Dynamics - January 20, 2011

This activity summary outlines the involvement of the Byrd Polar Research Center's Kenneth Jezek and German Aerospace Center's Dana Floricioiu in the IceBridge project during 2010-2011. Key efforts included planning for Antarctic and Arctic field campaigns, contributing to science requirements, and presenting findings at prominent meetings. Research focused on understanding ice flow dynamics through empirical transfer functions using Tandem-X data. Important insights were gained regarding ice surface and basal topography, with implications for glacier movement measurements.

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Summary of IceBridge Observations on Fast Glacier Dynamics - January 20, 2011

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  1. IceBridge Observations of Fast Glaciers of the Polar Ice Sheets Activity Summary – January 20, 2011 Kenneth Jezek, Science Team MemberByrd Polar Research CenterThe Ohio State Universityjezek.1@osu.edu614 292 7973 Dana Floricioiu, Proposal Partner German Aerospace Center Remote Sensing Technology Institute Tel: +49 8153 28 1763 dana.floricioiu@dlr.de Project Activities • Participated in Antarctic 2010 and Arctic 2011 planning • Contributed to Level-1 Science Requirements • Presented at AGU Town Hall Meeting and IceBridge Poster Session Research Activities • Tandem-X data proposal submitted • IGARSS 2011 Abstract submitted (Nimrod Gl.) • Investigate spatial scales controlling ice flow through empirical transfer function computation TSX image of Nimrod Glacier Common power spectra for surface and basal topography (far right) and surface velocity and basal topography (left, 2009; middle 2000). Measurable power detectable at 3-4 km wavelengths suggesting that 1.5-2 km sampling and perhaps finer sampling provide information on ice dynamics. Power at longer wavelengths may decrease because of limited profile length.

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