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East Antarctica International Ice Sheet Traverse

The East Antarctic International Ice Sheet Traverse project (EAIIST, 2017-2022) surveyed a large region of the East Antarctic plateau, including areas of megadunes and wind glazed surfaces. 

Shallow drillings will make it possible to study archiving processes and fine-scale spatial variability (of the order of ten meters) in very low or even negative accumulation zones. It is indeed possible that deep drilling sites such as EPICA or Vostok experienced conditions similar to megadunes during ice ages undergoing half of today’s accumulation. It will also aim to assess the impact of human activities around the Concordia station, as several indicators converge on the presence of a significant pollution.