Methodological synergies for glaciological constraints to find Oldest Ice


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Olaf.Eisen [ at ] awi.de

Abstract

The Beyond EPICA – Oldest Ice (BE-OI) consortium and its international partners unite a globally unique concentration of scientific expertise and infrastructure for ice-core investigations. It delivers the technical, scientific and financial basis for a comprehensive plan to retrieve an ice core up to 1.5 million years old. The consortium takes care of the pre-site surveys for site selection around Dome C and Dome Fuji, both potentially appropriate regions in East Antarctica. Other science consortia will investigate other regions under the umbrella of the International Partnerships in Ice Core Sciences (IPICS). Of major importance to obtain reliable estimates of the age of the ice in the basal layers of the ice sheet are the physical boundary conditions and ice-flow dynamics: geothermal heat flux, advection and layer integrity to avoid layer overturning and the formation of folds.The project completed the first field season at both regions of interest. This contribution will give an overview how the combined application of various geophysical, geodetical and glaciological methods applied in the field in combination with ice-flow modelling can constrain the glaciological boundary conditions and thus age at depth.



Item Type
Conference (Talk)
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Not peer-reviewed
Publication Status
Published
Event Details
EGU General Assembly, 23 Apr 2017 - 28 Apr 2017, Vienna.
Eprint ID
49625
Cite as
Eisen, O. , BE-OI Team (2017): Methodological synergies for glaciological constraints to find Oldest Ice , EGU General Assembly, Vienna, 23 April 2017 - 28 April 2017 .


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