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Three-Dimensional Multitrack Electrical Conductivity Method for Interpretation of Complex Ice Core Stratigraphy
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Abstract
Recent ice cores from the Allan Hills, a blue ice area in Antarctica, are nearly 3 million years old. These cores extend ice core chronologies, enabling new insight into key climate periods such as the Mid-Pleistocene Transition. The interpretation of these climate records is complex because of the disturbed stratigraphy in this ice. Here we present a new three- dimensional multitrack electrical conductivity measurement method (3D ECM) to resolve layer structure. We demonstrate this technique on a cumulative 60 m of two large-diameter (241 mm) ice cores, ALHIC2201 and ALHIC2302. We find well defined and dipping layering in both cores, averagi... more
DOI
https://doi.org/10.31223/X5099X
Subjects
Glaciology
Keywords
Ice Core, Blue Ice, ECM
Dates
Published: 2024-11-13 01:54
Last Updated: 2024-11-13 06:54
License
CC BY Attribution 4.0 International
Additional Metadata
Data Availability (Reason not available):
Data will be made available at the US Antarctic Program Data Center, but can currently be accessed on Github: https://github.com/liamkirkpatrick/3d_ecm
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