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Hendricks, Stefan; Haas, Christian; Krumpen, Thomas (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.970550

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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 PAMARCMIP campaign in Apr, 2017 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: 72.328295 * Median Longitude: -146.574333 * South-bound Latitude: 70.020500 * West-bound Longitude: -167.495190 * North-bound Latitude: 75.191800 * East-bound Longitude: -127.405740
Date/Time Start: 2017-04-02T19:02:49 * Date/Time End: 2017-04-08T21:55:01
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
17 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 PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170402T1728_70.46_-133.75_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970549
  2. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170402T1754_71.14_-133.86_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970548
  3. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170402T1819_71.77_-133.56_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970546
  4. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170402T1847_71.94_-131.26_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970547
  5. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170402T1913_71.99_-128.63_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970535
  6. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170404T1710_70.31_-136.84_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970534
  7. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170404T1735_71.05_-138.06_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970533
  8. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170404T1800_71.79_-139.36_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970537
  9. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170406T1942_72.54_-155.25_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970536
  10. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170406T2007_73.15_-153.99_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970538
  11. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170406T2033_73.80_-152.52_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970540
  12. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170406T2101_74.41_-151.03_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970543
  13. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170406T2128_74.97_-149.52_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970539
  14. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170408T1833_71.79_-160.00_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970541
  15. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170408T1900_72.32_-162.40_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970544
  16. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170408T1928_72.85_-165.05_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970542
  17. Hendricks, S; Haas, C; Krumpen, T (2024): Laser altimeter data obtained over sea-ice during the PAMARCMIP campaign in Apr, 2017; profile P5_205_PAMARCMIP_2017_SBLA_20170408T1956_73.32_-166.97_thr06_data_Vers5. https://doi.org/10.1594/PANGAEA.970545