USAP-DC

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Polarimetric Radar Data from the Ross and Amundsen Sea Ice Flow Divide, West Antarctica Data DOI: https://doi.org/10.7265/N5TH8JNG Cite as Matsuoka, K., Fujita, S., Power, D., & Raymond, C. (2011) "Polarimetric Radar Data from the Ross and Amundsen Sea Ice Flow Divide, West Antarctica" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.7265/N5TH8JNG. AMD - DIF Record(s) NSIDC-0496_1 Abstract This dataset contains ground-based, co-polarized radar data collected using pulse-modulated 60 MHz and 179 MHz radar at 19 sites around a deep ice coring site near the Ross and Amundsen flow divide of West Antarctic Ice Sheet (WAIS Divide). At each site, the radar data were collected at 12 orientations of the radar polarization plane for three radar pulse widths: 250 nsec, 500 nsec, and 1000 nsec. Useful signals were received from depths roughly between 200 m and 2000 m. Ice flow velocities and strain configurations were measured at most of these radar survey sites, and these ice motion data are also provided at NSIDC (GPS-Measured Ice Velocities and Strain Data from the Ross and Amundsen Sea Ice Flow Divide, West Antarctica). Data are available via FTP in MATLAB (.mat) format. Creator(s): Matsuoka, Kenichi Date Created: 2011-08-30 Repository: USAP-DC (current) - NSIDC (original) License: Creative Commons Attribution-NonCommercial v4.0 Generic [CC BY-NC 4.0] Spatial Extent(s) West: -115.457, East: -109.128, South: -79.6401, North: -78.7489 Temporal Extent(s) Start: 2005-11-01 - End: 2007-01-31 Award(s) NSF 0440847 Version: 1 Related Project(s) Detection of Crystal Orientation Fabrics near the Ross/Amundsen Sea Ice-flow Divide and at the Siple Dome Ice Core Site using Polarimetric Radar Methods References Conway, Smith, Vaswani, Matsuoka, Rignot and Claus. 2009. A Low-Frequency Ice-Penetrating Radar System Adapted for Use from an Airplane: Test Results from Bering and Malaspina Glaciers, Alaska, USA. Annals of Glaciology, v.50, p. 93. Fujita, S., H. Maeno and K. Matsuoka. 2006. Radio Wave Depolarization and Scattering within Ice Sheets: A Matrix-Based Model to Link Radar and Ice Core Measurements and its Application. Journal of Glaciology, v.52, p. 407. Matsuoka, Wilen, Shawn, and Raymond. 2009. Effects of Birefringence within Ice Sheets on Obliquely Propagating Radio Waves. IEEE Transactions on Geoscience and Remote Sensing, v.47, p. 1429. Matsuoka, K., D. Power, S. Fujita and C.Raymond. 2011. Polarimetric signatures of englacial radar returned power near the Ross and Amundsen Sea Ice-Flow Divide (WAIS Divide), West Antarctica. In preparation. Keywords Antarctica Glaciers/ice Sheet Glaciology GPR Radar Ross-Amundsen Divide