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", "citation": "Truffer, M., Alley, K., Pettit, E. C., Scambos, T., & Wild, C. (2025) \"Thwaites Eastern Ice Shelf GPS displacements\" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601925.", "datePublished": "2025-04-08", "keywords": ["Amundsen Sea", "Antarctica", "Cryosphere", "Glaciers/ice Sheet", "GNSS", "Ice Shelf", "Ice Velocity", "Thwaites Glacier", "Thwaites Glacier"], "creator": [{"@type": "Person", "additionalType": "geolink:Person", "name": "Alley, Karen", "email": "karen.alley@umanitoba.ca", "affiliation": {"@type": "Organization", "name": null}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Pettit, Erin", "email": "pettiter@oregonstate.edu", "affiliation": {"@type": "Organization", "name": "Box 351310, Seattle, Washington 98195-1310, USA"}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Scambos, Ted", "email": "tascambos@colorado.edu", "affiliation": {"@type": "Organization", "name": "National Snow and Ice Data Center, CIRES, 449 UCB"}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Truffer, Martin", "email": "mtruffer2@alaska.edu", "affiliation": {"@type": "Organization", "name": "Physics Department, University of Alaska Fairbanks, P.O. Box 755920, 401 ELV"}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Wild, Christian", "email": "wildch@oregonstate.edu", "affiliation": {"@type": "Organization", "name": null}}], "distribution": [{"@type": "DataDownload", "additionalType": "http://www.w3.org/ns/dcat#DataCatalog", "encodingFormat": "text/xml", "name": "ISO Metadata Document", "url": "https://www.usap-dc.org/metadata/isoxml/601925iso.xml", "contentUrl": "/dataset/filename"}, {"@type": "DataDownload", "@id": "http://dx.doi.org/10.15784/601925", "additionalType": "dcat:distribution", "url": "http://dx.doi.org/10.15784/601925", "contentUrl": "/dataset/filename", "encodingFormat": "text/html"}, {"@type": "DataDownload", "@id": "https://www.usap-dc.org/view/dataset/601925", "additionalType": "dcat:distribution", "url": "https://www.usap-dc.org/view/dataset/601925", "contentUrl": "/dataset/filename", "encodingFormat": "text/html"}], "identifier": {"@type": "PropertyValue", "propertyID": "https://registry.identifiers.org/registry/doi", "value": "doi:10.15784/601925", "url": "https://doi.org/10.15784/601925"}, "contributor": [{"@type": "Role", "roleName": "credit", "description": "funderName:NSF:GEO:OPP:Antarctic Glaciology awardNumber:1738992 awardTitle:NSF-NERC: Thwaites-Amundsen Regional Survey and Network (TARSAN) Integrating Atmosphere-Ice-Ocean Processes affecting the Sub-Ice-Shelf Environment"}, {"@type": "Role", "roleName": "credit", "description": "funderName:NSF:GEO:OPP:Antarctic Glaciology awardNumber:1929991 awardTitle:NSF-NERC: Thwaites-Amundsen Regional Survey and Network (TARSAN) Integrating Atmosphere-Ice-Ocean Processes affecting the Sub-Ice-Shelf Environment"}], "license": [{"@type": "CreativeWork", "URL": "https://creativecommons.org/licenses/by/4.0/", "name": "MD_Constraints", "description": "useLimitation: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0]."}, {"@type": "CreativeWork", "name": "MD_LegalConstraints", "description": "accessConstraints: license. otherConstraints: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0]."}, {"@type": "CreativeWork", "name": "MD_SecurityConstraints", "description": "classification: "}], "publisher": {"@type": "Organization", "name": "U.S. Antarctic Program (USAP) Data Center"}, "spatialCoverage": [{"@type": "Place", "geo": {"@type": "GeoShape", "box": "-76, -114, -74, -104"}}]}

Thwaites Eastern Ice Shelf GPS displacements Data DOI: https://doi.org/10.15784/601925 Cite as Truffer, M., Alley, K., Pettit, E. C., Scambos, T., & Wild, C. (2025) "Thwaites Eastern Ice Shelf GPS displacements" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601925. Abstract GPS data spanning two years (with data gaps) at the Cavity and Channel sites AMIGOS (Automated Meteorology-Ice-Geophysics Observing System) and a temporary nearby station (BOB) on the Thwaites Eastern Ice Shelf, Antarctica. Data are reported as processed positions (latitude/longitude/height above WGS84 ellipsoid) and derived along flow velocities. Creator(s): Truffer, Martin; Scambos, Ted; Wild, Christian; Pettit, Erin; Alley, Karen Date Created: 2025-04-09 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: -114, East: -104, South: -76, North: -74 Award(s) NSF 1738992 NSF 1929991 Version: 1 Related Project(s) NSF-NERC: Thwaites-Amundsen Regional Survey and Network (TARSAN) Integrating Atmosphere-Ice-Ocean Processes affecting the Sub-Ice-Shelf Environment References Banerjee, D., D.A. Lilien, M. Truffer, A.J. Luckman, C.T. Wild, E.C. Pettit, T. Scambos, A. Muto, K.E. Alley. Evolution of Shear-zone Fractures Presages the Disintegration of Thwaites Eastern Ice Shelf. Journal of Geophysical Research, in review Keywords Amundsen Sea Antarctica Cryosphere Glaciers/ice Sheet GNSS Ice Shelf Ice Velocity Thwaites Glacier Thwaites Glacier