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I-165-M GPR Field Report 2019-2020 Data DOI: https://doi.org/10.15784/601669 Cite as Nesbitt, I., & Brook, E. (2023) "I-165-M GPR Field Report 2019-2020" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601669. AMD - DIF Record(s) USAP-1745007_1 Abstract This document details the ground-penetrating radar (GPR) collection activities carried out by I. Nesbitt in the Allan Hills during the 2019-2020 field season. This document is intended as an informal catalogue of the fild work and post-processing activities performed at the Allan Hills and later at McMurdo and elsewhere. It contains preliminary post-processing and analysis only. Any interpretation made and presented in this report based on the data herein is subject to change pending further examination. GPR was used to examine sub-ice bedrock topography and the stratigraphic relationship between two shallow ice core drill sites (CMC1 and CMC2), as well as to explore potential future drill sites. In accordance with. the project's objective to drill and analyze ancient ice at relatively shallow depths, the two main features of interest in this study are 1) bedrock topographic features in which ancient ice could be trapped, and 2) englacial stratigraphic layers, especially those which may represent large age discontinuities. Creator(s): Nesbitt, Ian Date Created: 2023-03-03 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: 159.16667, East: 159.41667, South: -76.73333, North: -76.66667 Award(s) NSF 1744993 Version: 1 Related Project(s) Collaborative research: Snapshots of Early and Mid-Pleistocene Climate and Atmospheric Composition from the Allan Hills Blue Ice Area Keywords Allan Hills Antarctica GPR Ice Core Report