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| Format: | Dataset Open Access |
| Sprache: | en |
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PANGAEA
2024
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| Online-Zugang: | https://doi.org/10.1594/PANGAEA.971237 |
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| _version_ | 1867168577639940096 |
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| author | Hendricks, Stefan Haas, Christian Krumpen, Thomas |
| author_facet | Hendricks, Stefan Haas, Christian Krumpen, Thomas |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Sea ice surface roughness data were obtained during the ARK-XXII/2 campaign in Aug-Sep, 2007 with a Single Beam Laser Altimeter (SBLA) mounted inside an electromagnetic system (EM-Bird) towed at 10-30 m height above surface by a Helicopter (RV-Polarstern Helicopter). 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 . |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_971237 |
| institution | PANGAEA |
| language | en |
| publishDate | 2024 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Laser altimeter data obtained over sea-ice during the ARK-XXII/2 campaign in Aug-Sep, 2007 Hendricks, Stefan Haas, Christian Krumpen, Thomas Laser Altimeter; Ridge Height; Ridge Spacing; Ridge Width; Sea Ice Surface Roughness Sea ice surface roughness data were obtained during the ARK-XXII/2 campaign in Aug-Sep, 2007 with a Single Beam Laser Altimeter (SBLA) mounted inside an electromagnetic system (EM-Bird) towed at 10-30 m height above surface by a Helicopter (RV-Polarstern Helicopter). 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 . |
| title | Laser altimeter data obtained over sea-ice during the ARK-XXII/2 campaign in Aug-Sep, 2007 |
| topic | Laser Altimeter; Ridge Height; Ridge Spacing; Ridge Width; Sea Ice Surface Roughness |
| url | https://doi.org/10.1594/PANGAEA.971237 |