Zeising, Ole; Steinhage, Daniel; Neckel, Niklas; Humbert, Angelika (2024): Time series of autonomous phase-sensitive radar (ApRES) measurements for basal melt rate estimations at 79°N Glacier [dataset publication series]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.972047 (DOI registration in progress)
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Abstract:
The dataset consists of raw data from autonomous phase-sensitive radar (ApRES) measurements. The ApRES was operated with two bow-tie antennas on the surface in the ablation zone of the 79°N Glacier in Northeast Grenland since 2016. These Lagrangian measurements allow the estimation of basal melt rates based on estimated vertical displacements of englacial and basal reflections. The ApRES is an autonomous operating frequency-modulated continuous wave (FMCW) radar that transmits a tone sweep – called chirp – ranging from 200 to 400 MHz over a period of one second. In order to improve the signal-to-noise ratio, 20 to 100 chirps were transmitted within a single measurement. These measurements were repeated at time intervals between 15 minutes and 6 hours. A raw data file contains up to 4 measurements. Background of the pRES-system is published by Nicholls et al. (2015). The processing of the data is described in Zeising et al. (2024).
Keyword(s):
Supplement to:
Zeising, Ole; Neckel, Niklas; Dörr, Nils; Helm, Veit; Steinhage, Daniel; Timmermann, Ralph; Humbert, Angelika (2024): Extreme melting at Greenland's largest floating ice tongue. The Cryosphere, 18, 1333-1357, https://doi.org/10.5194/tc-18-1333-2024
Related to:
Kanzow, Torsten; Humbert, Angelika; Moelg, Thomas; Scheinert, Mirko; Braun, Matthias Holger; Burchard, Hans; Doglioni, Francesca; Hochreuther, Philipp; Horwath, Martin; Huhn, Oliver; Kusche, Jürgen; Loebel, Erik; Lutz, Katrina; Marzeion, Ben; McPherson, Rebecca; Mohammadi-Aragh, Mahdi; Möller, Marco; Pickler, Carolyne; Reinert, Markus; Rhein, Monika; Rückamp, Martin; Schaffer, Janin; Shafeeque, Muhammad; Stolzenberger, Sophie; Timmermann, Ralph; Turton, Jenny V; Wekerle, Claudia; Zeising, Ole (preprint): The atmosphere-land/ice-ocean system in the region near the 79N Glacier in Northeast Greenland: Synthesis and key findings from GROCE. https://doi.org/10.5194/egusphere-2024-757
Nicholls, Keith W; Corr, Hugh F J; Stewart, Craig L; Lok, Lai Bun; Brennan, Paul V; Vaughan, David G (2015): A ground-based radar for measuring vertical strain rates and time-varying basal melt rates in ice sheets and shelves. Journal of Glaciology, 61(230), 1079-1087, https://doi.org/10.3189/2015JoG15J073
Zeising, Ole; Steinhage, Daniel; Neckel, Niklas; Humbert, Angelika (2024): Time series of Lagrangian basal melt rates at 79°N Glacier since 2016 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.928903
Project(s):
Coverage:
Median Latitude: 79.386270 * Median Longitude: -22.301284 * South-bound Latitude: 79.323600 * West-bound Longitude: -22.443020 * North-bound Latitude: 79.418800 * East-bound Longitude: -21.982300
Date/Time Start: 2016-08-23T00:00:00 * Date/Time End: 2023-09-06T00:00:00
Comment:
Processed melt rates are published in:
Zeising, Ole; Steinhage, Daniel; Neckel, Niklas; Humbert, Angelika (2024): Time series of Lagrangian basal melt rates at 79°N Glacier since 2016 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.928903
If you have questions, please contact Ole Zeising (ole.zeising@awi.de) or co-authors.
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
5 datasets
Download Data
Datasets listed in this publication series
- Zeising, O; Steinhage, D; Neckel, N et al. (2024): Time series of autonomous phase-sensitive radar (ApRES) measurements for basal melt rate estimations at location ApRES1 on 79°N Glacier from August 2016 to June 2022. https://doi.pangaea.de/10.1594/PANGAEA.972057
- Zeising, O; Steinhage, D; Neckel, N et al. (2024): Time series of autonomous phase-sensitive radar (ApRES) measurements for basal melt rate estimations at location ApRES2a on 79°N Glacier from August 2016 to July 2018. https://doi.pangaea.de/10.1594/PANGAEA.972060
- Zeising, O; Steinhage, D; Neckel, N et al. (2024): Time series of autonomous phase-sensitive radar (ApRES) measurements for basal melt rate estimations at location ApRES2b on 79°N Glacier from July 2018 to February 2020. https://doi.pangaea.de/10.1594/PANGAEA.972061
- Zeising, O; Steinhage, D; Neckel, N et al. (2024): Time series of autonomous phase-sensitive radar (ApRES) measurements for basal melt rate estimations at location ApRES3 on 79°N Glacier from July 2017 to September 2023. https://doi.pangaea.de/10.1594/PANGAEA.972062
- Zeising, O; Steinhage, D; Neckel, N et al. (2024): Time series of autonomous phase-sensitive radar (ApRES) measurements for basal melt rate estimations at location ApRES4 on 79°N Glacier from July 2017 to July 2022. https://doi.pangaea.de/10.1594/PANGAEA.972063