USAP-DC

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Thwaites Glacier grounding lines for 2014 and 2019/20 from height above flotation Data DOI: https://doi.org/10.15784/601499 Cite as Wild, C., Alley, K., Muto, A., Pettit, E. C., Scambos, T., & Truffer, M. (2021) "Thwaites Glacier grounding lines for 2014 and 2019/20 from height above flotation" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601499. AMD - DIF Record(s) USAP-1929991_1 Abstract This data set includes two grounding-line products of Thwaites Glacier and a series of offshore pinning points for 2014 and 2019/20. The grounding lines where delineated manually from height above flotation calculations using the bathymetry model from Jordan et al. (2020), the REMA digital surface elevation model (Howat et al., 2019) for the 2014 product and ICESat-2 surface altimetry data (Smith et al., 2019) for the 2019/20 product. More details about the processing, corrections and uncertainties can be found in our publication. We would appreciate if users who think the grounding-line products are useful for your own research would cite our manuscript. Creator(s): Wild, Christian; Alley, Karen; Muto, Atsu; Truffer, Martin; Scambos, Ted; Pettit, Erin Date Created: 2021-12-23 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: -108, East: -104, South: -75.5, North: -74.5 Temporal Extent(s) Start: 2014-01-01 - End: 2020-12-31 Award(s) 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 Wild, C. T., Alley, K. E., Muto, A., Truffer, M., Scambos, T. A., & Pettit, E. C. (2021). Weakening of the pinning point buttressing Thwaites Glacier, West Antarctica. (doi:10.5194/tc-2021-130) Keywords Amundsen Sea Antarctica Antarctica Glaciology Grounding Line Ice Shelf Thwaites Glacier Thwaites Glacier