Humbert, Angelika; Steinhage, Daniel; Helm, Veit (2025): ARK 2013: AWI airborne Radio-Echo Sounding data in Northeast (79 NG; Nioghalvfjerdsbræ) and Southwest Greenland (Top79.5 2013 project) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.987082
Always quote citation above when using data! You can download the citation in several formats below.
Published: 2025-11-03 • DOI registered: 2025-12-02
Abstract:
This dataset contains airborne radar data acquired using the AWI EMR system (Nixdorf et al., 1999) during the Arctic season of 2013. The profiles extend across the 79 NG (Nioghalvfjerdsbræ) other selected sites in Northeast Greenland, and Southwest Greenland Ice Sheet. The data are available as netCDF files (including waveforms and metadata), KML files of the profile line locations, and quicklook images of the radargrams.
Keyword(s):
Related to:
Eisen, Olaf; Steinhage, Daniel; Franke, Steven; Helm, Veit; Binder, Tobias; Drews, Reinhard; Eagles, Graeme; Humbert, Angelika; Jansen, Daniela; Jokat, Wilfried; Lambrecht, Astrid; Mieth, Matthias; Riedel, Sven; Miller, Heinrich (2024): Collection of datasets from AWI's radio-echo sounding systems on ice sheets and glaciers [dataset bibliography]. PANGAEA, https://doi.org/10.1594/PANGAEA.972094
Nixdorf, Uwe; Steinhage, Daniel; Meyer, Uwe F; Hempel, L; Jenett, Martin; Wachs, P; Miller, Heinrich (1999): The newly developed airborne radio-echo sounding system of the AWI as a glaciological tool. Annals of Glaciology, 29, 231-238, https://doi.org/10.3189/172756499781821346
Additional metadata:
O2A Registry: Metadata for radar system Ice Thickness Radar 150 MHz at current version. Alfred Wegener Institut Helmholtz Centre for Polar and Marine Research, https://registry.o2a-data.de/items/6794
Funding:
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven (AWI), grant/award no. AWI_PA_02047: P5-188_TOP79.5_2013
Coverage:
Median Latitude: 73.088802 * Median Longitude: -36.514137 * South-bound Latitude: 67.011990 * West-bound Longitude: -50.696270 * North-bound Latitude: 81.596520 * East-bound Longitude: -16.659150
Date/Time Start: 2013-08-02T11:46:00 * Date/Time End: 2013-08-09T15:04:00
Event(s):
TOP79_5_1308020101 * Latitude Start: 67.012040 * Longitude Start: -50.696000 * Latitude End: 67.012020 * Longitude End: -50.696190 * Date/Time Start: 2013-08-02T11:46:00 * Date/Time End: 2013-08-02T17:17:00 * Campaign: TOP79_5_2013 (P5-188_TOP79.5_2013) * Basis: POLAR 5 * Method/Device: Aircraft (AC)
TOP79_5_1308040201 * Latitude Start: 67.012020 * Longitude Start: -50.696230 * Latitude End: 67.012000 * Longitude End: -50.696270 * Date/Time Start: 2013-08-04T15:13:00 * Date/Time End: 2013-08-04T19:41:00 * Campaign: TOP79_5_2013 (P5-188_TOP79.5_2013) * Basis: POLAR 5 * Method/Device: Aircraft (AC)
TOP79_5_1308060301 * Latitude Start: 67.011990 * Longitude Start: -50.696270 * Latitude End: 67.012030 * Longitude End: -50.696070 * Date/Time Start: 2013-08-06T11:42:00 * Date/Time End: 2013-08-06T17:08:00 * Campaign: TOP79_5_2013 (P5-188_TOP79.5_2013) * Basis: POLAR 5 * Method/Device: Aircraft (AC)
Comment:
Project PI: Angelika Humbert (AWI)
Contact persons for AWI Radio-echo sounding data: Daniel Steinhage (daniel.steinhage@awi.de), Veit Helm (veit.helm@awi.de), Olaf Eisen (olaf.eisen@awi.de)
Project Acronym: Top79.5 2013
Project Title: Topography and structure of the 79.5-Glacier and select areas in North-East Greenland
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The netCDF files contain the following variables:
altitude: Platform altitude (WGS84) in meters
bed_elevation: Bed elevation for each trace (without applying a firn correction and permitivity of ice: 3.15) in meters
bed_pick: picked Bed location for each trace, expressed as twt in seconds from time zero
data: Radar data (Values in dBm after DC conversion)
data_agc: Scaled radar data using automatic gain control (AGC)
distance: Along-track distance in meters
ice_thickness: Ice thickness for each trace (without applying a firn correction and permitivity of ice: 3.15) in meters
lat: Latitude in decimal degrees (WGS84)
lon: Longitude in decimal degrees (WGS84)
range: Range between sensor and surface in meters
spacing: Along-track trace to trace spacing in meters
surface: Surface elevation derived from radar (WGS84) in meters
surface_pick: Picked surface reflection in two-way travel time in seconds
time: Seconds of day
twt: Two-way travel time (twt) in seconds
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The KML files are in EPSG:4326, and the quicklook images show the AGC product of the radargram.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Season | Season | Humbert, Angelika | |||
| 2 | Profile ID | Profile ID | Humbert, Angelika | |||
| 3 | Instrument | Instrument | Humbert, Angelika | |||
| 4 | Radar product | Radar prod | Humbert, Angelika | |||
| 5 | netCDF file | netCDF | Humbert, Angelika | Ice Thickness Radar radio-echo sounding RES [Nixdorf et al. 1999] | ||
| 6 | netCDF file | netCDF | Humbert, Angelika | Ice Thickness Radar radio-echo sounding RES [Nixdorf et al. 1999] | ||
| 7 | GIS file | GIS | Humbert, Angelika | Ice Thickness Radar radio-echo sounding RES [Nixdorf et al. 1999] | KML Files | |
| 8 | Image | IMAGE | Humbert, Angelika | Ice Thickness Radar radio-echo sounding RES [Nixdorf et al. 1999] | Quicklook |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
91 data points
Data
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