Observation Instance

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{
    "ob_id": 44798,
    "uuid": "3ef571a45bcc4d95aaf8e48569a21ab5",
    "title": "ICECAPS-MELT: Manual shear strength from a 1-m snow profile in SW Greenland (August 2024)",
    "abstract": "Shear strength (kPa) was measured in a 1-m deep snow profile from southwest Greenland (Camp Raven, 66.48 N, 46.30 W, 2331 m asl) during Summer 2024. The snow profile measurements were made adjacent to an autonomous atmospheric and glaciological platform (the SLEIGH) as part of the ICECAPS-MELT (Integrated Characterization of Energy, Clouds, Atmospheric state, and Precipitation - MEasurements along Lagrangian Transects) experiment. This profile was made 2-3 m away from the SLEIGH.\r\n\r\nThis work was US-led, US-UK collaboration co-funded by the US National Science Foundation and the UK National Environment Research Council.",
    "keywords": "Greenland,snow profile,shear strength,ICECAPS,ICECAPS-MELT,Camp Raven, Greenland Ice Sheet",
    "publicationState": "citable",
    "dataPublishedTime": "2026-01-30T17:02:43",
    "doiPublishedTime": "2026-02-02T16:09:26.643296",
    "updateFrequency": "notPlanned",
    "status": "completed",
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        "dataPath": "/badc/icecaps-melt/data/202408CampRavenSnowShearStreng",
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        "storageStatus": "online",
        "volume": 2839,
        "numberOfFiles": 2,
        "fileFormat": "Data are BADC-CSV formatted"
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    "dataLineage": "Shear strength was measured using one of two shear frames (100 cm2, 250 cm2) with one of two fish hook scales (range 0-110 N and 0-250 N). The choice depended on the strength of the snow relative to the force scale range. The measurements were made using American Avalanche Association standards from Snow, Weather, and Avalanche Guidelines, 4th Edition, 2022. The measurements were made by preparing a column of snow approximately the same surface area as the shear frame. The shear frame was carefully tapped into the top of the snow column until flush. The fishhook scale was attached to shear frame and pulled such that the frame released in 1 s or less. Max force was recorded from the fishhook scale. Shear strength was computed as the ratio of the max force and shear frame cross-sectional area.",
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    "language": "English",
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