Articles | Volume 19, issue 7
https://doi.org/10.5194/tc-19-2355-2025
https://doi.org/10.5194/tc-19-2355-2025
Brief communication
 | 
02 Jul 2025
Brief communication |  | 02 Jul 2025

Brief communication: Reduced bandwidth improves the depth limit of the radar coherence method for detecting ice crystal fabric asymmetry

Ole Zeising, Álvaro Arenas-Pingarrón, Alex M. Brisbourne, and Carlos Martín

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Latest update: 26 Jul 2025
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Short summary
Ice crystal orientation influences how glacier ice deforms. Radar polarimetry is commonly used to study the bulk ice crystal orientation, but the often used coherence method only provides information of the shallow ice in fast-flowing areas. This study shows that reducing the bandwidth of high-bandwidth radar data significantly enhances the depth limit of the coherence method. This improvement helps us to better understand ice dynamics in fast-flowing ice streams.
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