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Krumpen, Thomas; Haas, Christian; Hendricks, Stefan (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.971027

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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 TIFAX campaign in Aug, 2011 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-5). 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:
Krumpen, Thomas; Gerdes, Rüdiger; Herber, Andreas (2011): TIFAX 2011 Summer Campaign - Sea ice thickness measurements with Polar 5 from Station Nord and Svalbard. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, https://epic.awi.de/id/eprint/48452/
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: 82.682884 * Median Longitude: -10.347611 * South-bound Latitude: 79.053313 * West-bound Longitude: -15.311802 * North-bound Latitude: 87.125235 * East-bound Longitude: 1.676220
Date/Time Start: 2011-08-02T12:55:58 * Date/Time End: 2011-08-04T12:15:18
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
16 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 TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110802T1254_82.87_-15.25_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971017
  2. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110802T1304_82.82_-11.68_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971019
  3. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110802T1330_82.46_-5.68_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971022
  4. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110802T1357_82.14_-0.57_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971024
  5. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110803T0946_82.41_-15.00_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971025
  6. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110803T1000_83.03_-15.00_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971021
  7. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110803T1024_83.76_-15.01_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971026
  8. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110803T1043_84.45_-15.00_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971012
  9. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110803T1105_85.26_-14.99_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971015
  10. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110803T1131_86.05_-14.97_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971016
  11. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110803T1155_86.80_-14.99_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971014
  12. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110804T1026_79.14_-11.70_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971011
  13. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110804T1041_79.41_-9.15_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971013
  14. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110804T1110_80.12_-5.48_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971023
  15. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110804T1139_80.77_-1.82_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971020
  16. Krumpen, T; Haas, C; Hendricks, S (2024): Laser altimeter data obtained over sea-ice during the TIFAX campaign in Aug, 2011; profile TIFAX_2011_SBLA_20110804T1202_81.18_0.84_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.971018