Ice surface elevation and ice thickness at 79°N Glacier, Greenland from airborne measurements in July 2021
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| Format: | Dataset Open Access |
| Sprache: | en |
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PANGAEA
2023
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| author | Zeising, Ole Helm, Veit Gupta, Aman Steinhage, Daniel Humbert, Angelika |
| author_facet | Zeising, Ole Helm, Veit Gupta, Aman Steinhage, Daniel Humbert, Angelika |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | We conducted airborne laser scanner and airborne radar measurements at the 79°N Glacier (Nioghalvfjerdsbræ) in Northeast Greenland in July 2021. Here, we provide ice surface elevation and ice thickness maps of the grounding line area based on 12 across-ice flow sections separated by 1 to 2.5 km. For ice thickness determination, we used AWI's Ultra-wideband (UWB, MCoRDS 5) airborne radar. The ice thickness was derived from the two-way travel time difference between the surface and the basal reflection, transformed to a thickness using a propagation velocity for the electromagnetic wave of 168.914 m μs⁻¹. The surface elevation and ice thickness were interpolated along flowlines of the ice and gridded to a regular grid with 25 m spacing. This dataset provides the latest ice geometry of the rapidly changing ice thickness at the grounding line of 79°N Glacier. The airborne data were acquired as part of AWI's 79NG-EC campaign with AWI's polar aircraft Polar5. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_963752 |
| institution | PANGAEA |
| language | en |
| publishDate | 2023 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Ice surface elevation and ice thickness at 79°N Glacier, Greenland from airborne measurements in July 2021 Zeising, Ole Helm, Veit Gupta, Aman Steinhage, Daniel Humbert, Angelika 79°N Glacier; 79NG-EC, HTRES; AC; Airborne laser scanning; Aircraft; Binary Object; Binary Object (File Size); File content; Greenland; Greenland ice sheet; Ice thickness; Nioghalvfjerdsbraeen Glacier; Nioghalvfjerdsfjorden Glacier; P5_227_NG21_2021_2107300401; P5-227_NG21_2021; POLAR 5; Surface Elevation; Ultra-wideband radar (UWB), MCoRDS 5; UWB We conducted airborne laser scanner and airborne radar measurements at the 79°N Glacier (Nioghalvfjerdsbræ) in Northeast Greenland in July 2021. Here, we provide ice surface elevation and ice thickness maps of the grounding line area based on 12 across-ice flow sections separated by 1 to 2.5 km. For ice thickness determination, we used AWI's Ultra-wideband (UWB, MCoRDS 5) airborne radar. The ice thickness was derived from the two-way travel time difference between the surface and the basal reflection, transformed to a thickness using a propagation velocity for the electromagnetic wave of 168.914 m μs⁻¹. The surface elevation and ice thickness were interpolated along flowlines of the ice and gridded to a regular grid with 25 m spacing. This dataset provides the latest ice geometry of the rapidly changing ice thickness at the grounding line of 79°N Glacier. The airborne data were acquired as part of AWI's 79NG-EC campaign with AWI's polar aircraft Polar5. |
| title | Ice surface elevation and ice thickness at 79°N Glacier, Greenland from airborne measurements in July 2021 |
| topic | 79°N Glacier; 79NG-EC, HTRES; AC; Airborne laser scanning; Aircraft; Binary Object; Binary Object (File Size); File content; Greenland; Greenland ice sheet; Ice thickness; Nioghalvfjerdsbraeen Glacier; Nioghalvfjerdsfjorden Glacier; P5_227_NG21_2021_2107300401; P5-227_NG21_2021; POLAR 5; Surface Elevation; Ultra-wideband radar (UWB), MCoRDS 5; UWB |
| url | https://doi.org/10.1594/PANGAEA.963752 |