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Hendricks, Stefan; Haas, Christian; Krumpen, Thomas (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.970532

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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 NETCARE campaign in Apr, 2015 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 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: 81.706781 * Median Longitude: -94.400537 * South-bound Latitude: 71.704748 * West-bound Longitude: -163.593170 * North-bound Latitude: 87.445972 * East-bound Longitude: -26.518856
Date/Time Start: 2015-04-07T16:48:38 * Date/Time End: 2015-04-24T02:31:18
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
25 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 NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150407T1445_84.49_-61.93_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970528
  2. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150407T1512_85.14_-61.57_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970525
  3. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150408T1404_83.56_-66.02_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970529
  4. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150408T1435_84.32_-68.62_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970510
  5. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150408T1503_85.18_-72.69_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970511
  6. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150408T1532_86.00_-78.41_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970512
  7. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150408T1604_86.65_-84.67_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970506
  8. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150409T1343_84.49_-56.52_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970508
  9. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150409T1406_85.22_-52.99_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970519
  10. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150409T1439_86.11_-46.82_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970518
  11. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150409T1508_86.88_-37.88_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970509
  12. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150409T1537_87.36_-28.69_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970513
  13. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150411T1550_82.50_-89.84_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970516
  14. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150411T1620_83.19_-91.53_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970515
  15. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150411T1648_83.88_-93.63_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970514
  16. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150411T1715_84.63_-96.49_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970517
  17. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150411T1745_85.33_-100.07_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970530
  18. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150411T1813_85.97_-104.54_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970522
  19. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150422T2214_72.26_-153.61_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970523
  20. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150422T2241_72.98_-151.36_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970521
  21. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150422T2308_73.59_-149.06_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970524
  22. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150422T2335_74.17_-146.61_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970520
  23. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150423T0001_74.75_-143.82_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970531
  24. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150423T2302_71.82_-159.87_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970527
  25. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the NETCARE campaign in Apr, 2015; profile NETCARE_P5_2015_SBLA_20150424T0004_72.26_-162.76_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970526