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Krumpen, Thomas; Haas, Christian; Hendricks, Stefan (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Sep, 2020 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.970670

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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 Sep, 2020 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:
Herber, Andreas; Becker, Sebastian; Belter, Hans Jakob; Brauchle, Jörg; Ehrlich, André; Klingebiel, Marcus; Krumpen, Thomas; Lüpkes, Christof; Mech, Mario; Moser, Manuel; Wendisch, Manfred (2021): MOSAiC Expedition: Airborne Surveys with Research Aircraft POLAR 5 and POLAR 6 in 2020. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 754, 99 pp, https://doi.org/10.48433/BzPM_0754_2021
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: 80.218711 * Median Longitude: -7.749903 * South-bound Latitude: 77.353920 * West-bound Longitude: -16.788631 * North-bound Latitude: 83.750702 * East-bound Longitude: 7.665603
Date/Time Start: 2020-09-02T10:12:41 * Date/Time End: 2020-09-08T11:35:49
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
10 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 Sep, 2020; profile P6_222_IceBird_MOSAiC_2020_SBLA_20200902T1006_77.60_-16.35_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970667
  2. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Sep, 2020; profile P6_222_IceBird_MOSAiC_2020_SBLA_20200902T1033_78.26_-15.96_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970668
  3. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Sep, 2020; profile P6_222_IceBird_MOSAiC_2020_SBLA_20200902T1105_78.90_-13.66_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970660
  4. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Sep, 2020; profile P6_222_IceBird_MOSAiC_2020_SBLA_20200902T1123_79.10_-10.41_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970662
  5. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Sep, 2020; profile P6_222_IceBird_MOSAiC_2020_SBLA_20200902T1156_79.04_-6.94_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970661
  6. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Sep, 2020; profile P6_222_IceBird_MOSAiC_2020_SBLA_20200907T1010_81.83_-5.64_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970665
  7. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Sep, 2020; profile P6_222_IceBird_MOSAiC_2020_SBLA_20200907T1052_81.23_-4.19_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970666
  8. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Sep, 2020; profile P6_222_IceBird_MOSAiC_2020_SBLA_20200907T1116_81.39_-5.89_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970663
  9. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Sep, 2020; profile P6_222_IceBird_MOSAiC_2020_SBLA_20200907T1145_81.39_-4.84_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970664
  10. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the IceBird Summer campaign in Sep, 2020; profile P6_222_IceBird_MOSAiC_2020_SBLA_20200908T1108_83.40_7.32_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970669

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