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Krumpen, Thomas; Haas, Christian; Hendricks, Stefan (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Aug, 2022 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.970711

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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 IceBird Summer campaign in Aug, 2022 with a Single Beam Laser Altimeter (SBLA) mounted inside an electromagnetic system (EM-Bird) towed at 10-30 m height above surface by an Airplane (Basler BT-67, Polar-6). 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 (ASTECH - LDM) are provided at a sampling rate of 100 Hz. Sensor accuracy is 2 cm with a beam diameter at surface of 6.3 cm. This dataset includes recorded altimeter readings, the derived surface elevation and width/height/spacing of detected pressure ridge sails. Note on data quality: 6.3 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:
Krumpen, Thomas; Birnbaum, Gerit; Ludwig, Valentin (2022): IceBird Summer 2022 Campaign - Sea ice surveys with Polar 6 from Station Nord. Campaign Report, hdl:10013/epic.563637c4-3648-41e6-a033-e2ac7560582e
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: 84.812247 * Median Longitude: -19.794746 * South-bound Latitude: 82.082497 * West-bound Longitude: -40.747009 * North-bound Latitude: 87.115785 * East-bound Longitude: 14.067438
Date/Time Start: 2022-08-12T11:25:44 * Date/Time End: 2022-08-15T12:23:29
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
13 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 IceBird Summer campaign in Aug, 2022; profile P6_235_IceBird_2022_SBLA_20220812T1123_84.06_-39.92_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970709
  2. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Aug, 2022; profile P6_235_IceBird_2022_SBLA_20220812T1155_85.10_-39.98_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970706
  3. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Aug, 2022; profile P6_235_IceBird_2022_SBLA_20220813T1130_85.25_-35.57_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970707
  4. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Aug, 2022; profile P6_235_IceBird_2022_SBLA_20220813T1159_86.11_-39.87_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970704
  5. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Aug, 2022; profile P6_235_IceBird_2022_SBLA_20220814T1045_84.17_-23.84_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970705
  6. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Aug, 2022; profile P6_235_IceBird_2022_SBLA_20220814T1113_85.16_-23.00_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970710
  7. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Aug, 2022; profile P6_235_IceBird_2022_SBLA_20220814T1144_85.95_-22.02_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970698
  8. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Aug, 2022; profile P6_235_IceBird_2022_SBLA_20220814T1200_86.70_-22.04_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970702
  9. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Aug, 2022; profile P6_235_IceBird_2022_SBLA_20220815T1000_82.40_-13.31_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970700
  10. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Aug, 2022; profile P6_235_IceBird_2022_SBLA_20220815T1028_83.18_-8.92_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970699
  11. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Aug, 2022; profile P6_235_IceBird_2022_SBLA_20220815T1056_84.00_-3.06_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970703
  12. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Aug, 2022; profile P6_235_IceBird_2022_SBLA_20220815T1128_84.85_3.34_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970701
  13. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Aug, 2022; profile P6_235_IceBird_2022_SBLA_20220815T1157_85.63_10.41_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970708