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Creators/Authors contains: "Marks_Peterson, Julia"

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  1. ; ; ; ; ; (, U.S. Antarctic Program (USAP) Data Center)
    This dataset contains snapshots of carbon dioxide and methane concentrations, total air content, stable isotope measurements of carbon dioxide, as well as measurements of molecular oxygen and nitrogen and their stable isotopic signatures. Samples come from the ALHIC1901 ice core from the Allan Hills, Antarctica. Where possible, new ages have been assigned to previous measurements from the ALHIC1503 ice core. For samples containing excess CO2 from a secondary source, estimated atmospheric CO2 ranges are included. 
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  2. ; ; ; ; (, U.S. Antarctic Program (USAP) Data Center)
    This dataset includes three-dimensional multitrack electrical conductivity measurements (3D ECM) results from measurements in the upper sections of the ALHIC2201 and ALHIC2302 large (241mm) diameter ice cores drilled in the Allan Hills blue ice area (76.73°S,159.36°E) in Victoria Land, East Antarctica. The data extends from the surface to 23.0 m depth in ALHIC2201 and from 8.5 m to 46.3 m depth in ALHIC2302. We include the raw 3D ECM data (AC and DC multitrack ECM measurements on perpendicular faces of a quarter-core cut) in CSV format and basic plots of this data. We also provide dip and dip direction estimates of the layering observed in each core section in a CSV table. 
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  3. ; ; ; ; ; ; ; ; ; ; et al (, U.S. Antarctic Program (USAP) Data Center)
    Field report for Allan Hills ice core drilling and geophysics, field season 2023-2024 
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