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Haas, Christian; Hendricks, Stefan; Krumpen, Thomas (2024): Laser altimeter data obtained over sea-ice during the CASIMBO campaign in Apr, 2016 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.970307

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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 CASIMBO campaign in Apr, 2016 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). 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:
Ricker, Robert; Hendricks, Stefan; Kaleschke, Lars; Tian-Kunze, Xiangshan; King, Jennifer; Haas, Christian (2017): A weekly Arctic sea-ice thickness data record from merged CryoSat-2 and SMOS satellite data. The Cryosphere, 11(4), 1607-1623, https://doi.org/10.5194/tc-11-1607-2017
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: 71.852004 * Median Longitude: -133.092452 * South-bound Latitude: 70.030555 * West-bound Longitude: -137.711580 * North-bound Latitude: 73.749974 * East-bound Longitude: -126.724150
Date/Time Start: 2016-04-09T18:12:06 * Date/Time End: 2016-04-10T19:39:42
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
12 datasets

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Datasets listed in this publication series

  1. Haas, C; Hendricks, S; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the CASIMBO campaign in Apr, 2016; profile CAS2016_SBLA_20160409T1810_70.68_-133.74_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970296
  2. Haas, C; Hendricks, S; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the CASIMBO campaign in Apr, 2016; profile CAS2016_SBLA_20160409T1830_71.11_-133.54_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970297
  3. Haas, C; Hendricks, S; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the CASIMBO campaign in Apr, 2016; profile CAS2016_SBLA_20160409T1847_71.52_-132.88_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970295
  4. Haas, C; Hendricks, S; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the CASIMBO campaign in Apr, 2016; profile CAS2016_SBLA_20160409T1909_72.34_-132.23_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970303
  5. Haas, C; Hendricks, S; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the CASIMBO campaign in Apr, 2016; profile CAS2016_SBLA_20160409T1937_73.27_-131.58_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970299
  6. Haas, C; Hendricks, S; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the CASIMBO campaign in Apr, 2016; profile CAS2016_SBLA_20160409T2029_73.18_-128.18_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970298
  7. Haas, C; Hendricks, S; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the CASIMBO campaign in Apr, 2016; profile CAS2016_SBLA_20160409T2110_72.52_-128.12_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970301
  8. Haas, C; Hendricks, S; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the CASIMBO campaign in Apr, 2016; profile CAS2016_SBLA_20160409T2149_71.60_-130.72_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970302
  9. Haas, C; Hendricks, S; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the CASIMBO campaign in Apr, 2016; profile CAS2016_SBLA_20160410T1732_70.24_-136.48_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970300
  10. Haas, C; Hendricks, S; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the CASIMBO campaign in Apr, 2016; profile CAS2016_SBLA_20160410T1751_71.10_-136.63_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970304
  11. Haas, C; Hendricks, S; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the CASIMBO campaign in Apr, 2016; profile CAS2016_SBLA_20160410T1823_72.11_-137.31_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970305
  12. Haas, C; Hendricks, S; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the CASIMBO campaign in Apr, 2016; profile CAS2016_SBLA_20160410T1856_72.60_-135.82_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970306