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Hendricks, Stefan; Haas, Christian; Krumpen, Thomas (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.970659

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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 winter campaign in Apr, 2019 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:
Hendricks, Stefan; Ricker, Robert; Jutila, Arttu (2019): IceBird 2019 Winter: ICESat-2 Validation Data Acquisition Report. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, hdl:10013/epic.c5dfe9f3-a928-4706-addc-b5b8f3af723a
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: 74.989249 * Median Longitude: -117.422420 * South-bound Latitude: 70.044396 * West-bound Longitude: -132.759550 * North-bound Latitude: 84.498722 * East-bound Longitude: -54.361310
Date/Time Start: 2019-04-02T19:07:03 * Date/Time End: 2019-04-10T19:17:36
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
18 datasets

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Datasets listed in this publication series

  1. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190402T1703_82.31_-96.35_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970650
  2. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190402T1732_82.79_-99.08_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970647
  3. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190402T1752_83.16_-101.51_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970654
  4. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190405T1712_83.48_-62.44_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970655
  5. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190405T1738_84.20_-57.05_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970658
  6. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190407T1833_70.40_-132.75_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970656
  7. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190407T1900_71.20_-132.75_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970657
  8. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190407T1926_71.82_-132.75_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970642
  9. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190407T1944_72.42_-132.42_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970645
  10. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190407T2013_72.52_-130.16_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970646
  11. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190407T2043_72.51_-127.84_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970643
  12. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190408T1729_71.49_-126.80_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970644
  13. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190408T1752_71.58_-127.75_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970641
  14. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190408T1804_71.09_-127.73_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970648
  15. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190410T1509_70.69_-130.87_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970649
  16. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190410T1548_71.84_-131.35_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970651
  17. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190410T1617_72.68_-131.72_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970652
  18. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the IceBird winter campaign in Apr, 2019; profile P6_217_ICEBIRD_2019_SBLA_20190410T1647_73.61_-132.17_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970653