USAP-DC

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Subglacial water flow paths under Thwaites Glacier, West Antarctica Data DOI: https://doi.org/10.7265/N5RJ4GC8 Cite as Carter, S. P., Blankenship, D. D., & Young, D. A. (2012) "Subglacial water flow paths under Thwaites Glacier, West Antarctica" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.7265/N5RJ4GC8. AMD - DIF Record(s) NSIDC-0518_1 Abstract This data set contains subglacial water flow paths beneath Thwaites Glacier, West Antarctica, interpreted from ice thickness and bed elevation measurements collected between 7 December 2004 and 31 January 2005 by the Airborne Geophysical Survey of the Amundsen Embayment (AGASEA) expedition. Data consist of an ASCII text file with geographical coordinates, hydraulic head, and bed and surface elevations, and a corresponding .pdf map. Data are available via FTP. Creator(s): Carter, Sasha P.; Young, Duncan A.; Blankenship, Donald D. Date Created: 2012-05-21 Repository: USAP-DC (current) - NSIDC (original) License: Creative Commons Attribution-NonCommercial v4.0 Generic [CC BY-NC 4.0] Spatial Extent(s) West: -120, East: -90, South: -80, North: -75 Temporal Extent(s) Start: 2004-12-07 - End: 2005-01-31 Award(s) NSF 0636724 Version: 1 Related Project(s) Collaborative Research: Synthesis of Thwaites Glacier Dynamics: Diagnostic and Prognostic Sensitivity Studies of a West Antarctic Outlet System References Holt, J. W., D. D. Blankenship, D. L. Morse, D. A. Young, M. E. Peters, S. D. Kempf, T. G. Richter, D. G. Vaughan, H. F. J. Corr. 2006. New boundary conditions for the West Antarctic Ice Sheet; subglacial topography of the Thwaites and Smith Glacier catchments. Geophysical Research Letters L09502, doi: 10.1029/2005GL025561 (doi:10.1029/2005GL025561) Peters, M. E., D. D. Blankenship, S. P. Carter, D. A. Young, S. D. Kempf, and J. W. Holt. 2007. Along-Track Focusing of Airborne Radar Sounding Data from West Antarctica for Improving Basal Reflection Analysis and Layer Detection, IEEE Transactions on Geoscience and Remote Sensing, 45(9), 2725-2736. (doi:10.1109/TGRS.2007.897416) Carter, S. P., H. A. Fricker, D. D. Blankenship, J. V. Johnson, W. H. Lipscomb, S. F. Price, and D. A. Young. 2011. Modeling Five Years of Subglacial Lake Activity in the MacAyeal Ice Stream (Antarctica) Catchment Through Assimilation of ICESat Laser Altimetry, Journal of Glaciology, 57(206), 1098-1112. (doi:10.3189/002214311798843421) Keywords AGASEA Airborne Radar Antarctica Elevation Flow Paths Glaciers/ice Sheet Glaciology Thwaites Glacier