USAP-DC

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Wideband magnetotelluric responses from Whillans Ice Stream, West Antarctica Data DOI: https://doi.org/10.15784/601526 Cite as Gustafson, C., Key, K., Siegfried, M. & Fricker, H. (2022) "Wideband magnetotelluric responses from Whillans Ice Stream, West Antarctica" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601526. AMD - DIF Record(s) USAP-1643917_1 Abstract This archive contains magnetotelluric (MT) responses estimated from MT time series data that were collected to study subglacial groundwater beneath Whillans Ice Stream, West Antarctica. Data acquisition took place during the 2018/2019 Antarctic summer field season. 27 MT stations were collected at Whillans Subglacial Lake (SLW) and 16 stations were obtained at its hypothesized downstream outlet to the ocean, Whillans Grounding Zone (WGZ). The MT responses are provided as text files in the .zmm format output by the MT data processing code, but have also been converted to the more widely used .edi text file format for convenience. All sensor orientations are listed as geomagnetic azimuths, which for this region are substantially different than the corresponding geographic azimuths. Creator(s): Gustafson, Chloe; Key, Kerry; Siegfried, Matthew; Fricker, Helen Date Created: 2022-02-25 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: -163.646, East: -153.0575, South: -84.4131, North: -84.186 Temporal Extent(s) Start: 2018-11-22 - End: 2018-12-23 Award(s) NSF 1643917 Version: 1 Related Project(s) Mapping Antarctic Subglacial Water with Novel Electromagnetic Techniques Keywords Antarctica Glaciers/ice Sheet Glaciology Ice Stream Magnetotelluric Subglacial Whillans Ice Stream