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Processed line aeromagnetic data over the Thwaites glacier region (2018/19 season)
GB/NERC/BAS/PDC/01240

Summary

Abstract:
Aeromagnetic data provides important constraints on the sub-surface geology of a region. This dataset contains aeromagnetic line data collected by the British Antarctic Survey as part of the International Thwaites Glacier Collaboration (ITGC). Data were collected using a caesium magnetometer system, and have been corrected to total field values following the approach laid out by the SCAR ADMAP working group https://www.scar.org/science/admap/about/. Across flow flights were generally flown at a constant altitude ~450 m above the ice surface, but data was also collected along draped sections flown along the ice flow direction. In total 9872 km of data is presented, of this 6033 km was collected in the main survey area, while other data was collected on input transit flights. The aircraft used was the BAS aerogeophysicaly equipped twin otter VP-FBL. Data are available in ASCII file format (.xyz).

Keywords:
Antarctica, Crosson Ice Shelf, Dotson Ice Shelf, Geophysics, ITGC, Magnetic, Thwaites Glacier

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