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Krumpen, Thomas; Haas, Christian; Hendricks, Stefan (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.970878

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Published: 2024-07-12 • DOI registered: 2024-08-27

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Abstract:
Sea ice surface roughness data were obtained during the PS92 campaign in May-Jun, 2015 with a Single Beam Laser Altimeter (SBLA) mounted inside an electromagnetic system (EM-Bird) towed at 10-30 m height above surface by a Helicopter (RV-Polarstern Helicopter). A method developed by Hibler (1972) was used to a) isolate the surface profile from low-frequency variations associated with the aircraft motion and b) to identify pressure ridge sails. The processing steps are described in https://epic.awi.de/id/eprint/56364/. We applied a ridge detection threshold of 0.6 m, which means that only sails higher 0.6 m are detected. Version and name of the processing routine: Laser_Altimeter_Processing_VS5_06_20.py (vers.5, Feb 22, 2024, https://gitlab.awi.de/sitem/sbla_processing.git). SBLA records (RIEGL - LD90) are provided at a sampling rate of 100 Hz. Sensor accuracy is 5 cm with a beam diameter at surface of 5.8 cm. This dataset includes recorded altimeter readings, the derived surface elevation and width/height/spacing of detected pressure ridge sails. Note on data quality: 5.8 cm .
Keyword(s):
Laser Altimeter; Ridge Height; Ridge Spacing; Ridge Width; Sea Ice Surface Roughness
Supplement to:
Krumpen, Thomas; von Albedyll, Luisa; Bünger, Hans Jakob; Castellani, Giulia; Hartmann, Jörg; Helm, Veit; Hendricks, Stefan; Hutter, Nils; Landy, Jack; Lisovski, Simeon; Lüpkes, Christof; Rohde, Jan; Suhrhoff, Mira; Haas, Christian (2025): Smoother sea ice with fewer pressure ridges in a more dynamic Arctic. Nature Climate Change, https://doi.org/10.1038/s41558-024-02199-5
Related to:
Peeken, Ilka (2016): The Expedition PS92 of the Research Vessel POLARSTERN to the Arctic Ocean in 2015. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 694, 153 pp, https://doi.org/10.2312/BzPM_0694_2016
Related code / software:
Electromagnetic induction sounding of sea-ice thickness / SBLA_Processing · GitLab
Data processing report:
Suhrhoff, Mira (2021): Sea Ice Surface Roughness from Single Beam Laser Altimeter Measurements - Method Development and Comparison with Airborne Laser Scanner Profiles [thesis]. Universität Trier, hdl:10013/epic.30c63deb-b1f5-4c1e-927b-3d8a8d495b82
Coverage:
Median Latitude: 81.385935 * Median Longitude: 16.311847 * South-bound Latitude: 80.871969 * West-bound Longitude: 8.229456 * North-bound Latitude: 82.053504 * East-bound Longitude: 23.761259
Date/Time Start: 2015-05-27T11:49:58 * Date/Time End: 2015-06-19T14:44:17
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
21 datasets

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Datasets listed in this publication series

  1. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150527T0751_81.02_17.50_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970868
  2. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150601T0510_81.30_17.20_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970864
  3. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150601T0529_81.32_17.14_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970870
  4. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150601T0536_81.32_17.08_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970873
  5. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150607T0434_81.36_19.61_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970872
  6. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150607T0454_81.39_20.40_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970871
  7. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150608T0419_81.10_18.39_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970874
  8. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150608T0435_81.11_15.99_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970876
  9. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150608T0508_81.11_16.71_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970877
  10. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150608T0529_81.10_19.05_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970875
  11. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150608T0910_81.28_20.16_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970861
  12. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150608T0932_81.60_21.90_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970859
  13. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150608T0951_81.29_23.16_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970860
  14. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150608T1011_81.06_21.63_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970862
  15. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150610T0748_81.83_13.45_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970857
  16. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150618T0808_82.01_9.31_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970858
  17. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150618T0825_81.80_8.67_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970867
  18. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150618T0848_81.81_9.85_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970865
  19. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150618T0901_81.86_9.77_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970863
  20. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150619T0953_81.32_12.70_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970866
  21. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the PS92 campaign in May-Jun, 2015; profile PS92_SBLA_20150619T1014_81.16_12.44_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970869