Citation:

PANGAEA.907918

Name: Bedrock topography and ice thickness in the onset region of the Northeast Greenland Ice Stream recorded with the airborne AWI Ultra-Wideband radar (UWB) in 2018
Published: 2019-10-28
License: https://creativecommons.org/licenses/by/4.0/
Keywords: AWI UWB; bedrock topography; ice thickness; Northeast Greenland Ice Stream (NEGIS); radio echo-sounding

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Abstract:

Here, we present a record of more than 8000 km of radar survey lines of radio echo sounding data covering an area of 24 000 km2 centred on the drill site for the East Greenland Ice-core Project (EGRIP) in the central part of the North East Greenland Ice Stream (NEGIS). The acquisition system was a multichannel ultra-wideband radar mounted on AWI's Polar6 aircraft. Our data yield a new detailed model of ice-thickness distribution and basal topography in the region.

Keyword(s):

AWI UWB; bedrock topography; ice thickness; Northeast Greenland Ice Stream (NEGIS); radio echo-sounding

Supplement to:

Franke, Steven; Jansen, Daniela; Binder, Tobias; Dörr, Nils; Helm, Veit; Paden, John D; Steinhage, Daniel; Eisen, Olaf (2020): Bed topography and subglacial landforms in the onset region of the Northeast Greenland Ice Stream. Annals of Glaciology, 61(81), 143-153, https://doi.org/10.1017/aog.2020.12

Coverage:

Median Latitude: 75.539902 * Median Longitude: -35.992679 * South-bound Latitude: 74.335533 * West-bound Longitude: -39.524483 * North-bound Latitude: 76.667267 * East-bound Longitude: -32.286476

Date/Time Start: 2018-05-08T18:37:10 * Date/Time End: 2018-05-17T14:41:47

Event(s):

EGRIP-NOR-18 * Latitude: 75.633000 * Longitude: -35.992000 * Campaign: (EGRIP-NOR) * Basis: POLAR 6 * Method/Device: Multiple investigations (MULT)

Comment:

Region: Central Northeast Greenland (NEGIS onset region)

Aircraft: AWI Polar6

Email address of the provider: daniela.jansen@awi.de, steven.franke@awi.de, olaf.eisen@awi.de

PI: Daniela Jansen (AWI), Olaf Eisen (AWI)

Instrument used: AWI UWB (MCoRDS 5)

Firn correction: none applied

Velocity profile: dielectric constant of 3.15

Method of navigation: GPS data was acquired by four NovAtel DL-V3 GPS receivers operating at 20Hz

Level of focusing: focused SAR

Change history:

2022-07-19T09:03:43 – The authorship was extended to include all paper co-authors

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Size:

2 datasets

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Datasets listed in this publication series

Franke, S; Jansen, D; Binder, T et al. (2019): Bedrock topography and ice thickness of the North East Greenland Ice Stream (gridded data). https://doi.org/10.1594/PANGAEA.907916
Franke, S; Jansen, D; Binder, T et al. (2023): TWT and ice thickness of the North East Greenland Ice Stream (tabular data). https://doi.org/10.1594/PANGAEA.907917