Laser altimeter data obtained over sea-ice during the ARK-XX/2 campaign in Jul-Aug, 2004; profile ARK-XX-2_SBLA_20040803T1739_83.23_-7.08_thr06_data_Vers5

doi:doi:10.1594/PANGAEA.969768

Laser altimeter data obtained over sea-ice during the ARK-XX/2 campaign in Jul-Aug, 2004; profile ARK-XX-2_SBLA_20040803T1739_83.23_-7.08_thr06_data_Vers5

Sea ice surface roughness data were obtained during the ARK-XX/2 campaign in Jul-Aug, 2004 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 specific dataset was obtained on 20040803T1739. It includes recorded altimeter readings, the derived surface elevation and width/height/spacing of detected pressure ridge sails. Note on data quality: 5.8 cm . File name: [DMS/PANGAEA Campaing Identifier] + [DEVICE] + [DATE/TIME] + [LAT/LON] + [Detection Threshold] + [Object] + [Version] + [Format]

BibTex:

@dataset{Haas_Christian_and_Hendricks_Stefan_and_Krumpen_Thomas_2024,
    abstract = {Sea ice surface roughness data were obtained during the ARK-XX/2 campaign in Jul-Aug, 2004 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 specific dataset was obtained on 20040803T1739. It includes recorded altimeter readings, the derived surface elevation and width/height/spacing of detected pressure ridge sails. Note on data quality: 5.8 cm . File name: [DMS/PANGAEA Campaing Identifier] + [DEVICE] + [DATE/TIME] + [LAT/LON] + [Detection Threshold] + [Object] + [Version] + [Format]},
    author = {Haas, Christian and Hendricks, Stefan and Krumpen, Thomas},
    doi = {10.1594/PANGAEA.969768},
    institution = {PANGAEA (Ecology)},
    keyword = {'Laser Altimeter', 'Ridge Height', 'Ridge Spacing', 'Ridge Width', 'Sea Ice Surface Roughness'},
    title = {Laser altimeter data obtained over sea-ice during the ARK-XX/2 campaign in Jul-Aug, 2004; profile ARK-XX-2_SBLA_20040803T1739_83.23_-7.08_thr06_data_Vers5},
    url = {https://service.tib.eu/ldmservice/vdataset/png-doi-10-1594-pangaea-969768},
    year = {2024}
}