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- W4383669786 abstract "The attenuation of ocean surface waves during seasonal ice cover is an important control on the evolution of many Arctic coastlines. The spatial and temporal variations in this process have been challenging to resolve with conventional sampling using sparse arrays of moorings or buoys. We demonstrate a novel method for persistent observation of wave-ice interactions using distributed acoustic sensing (DAS) along existing seafloor telecommunications cables. The DAS measurements span a 36-km cross-shore seafloor cable on the Beaufort Shelf from Oliktok Point, Alaska. DAS measurements of strain-rate provide a proxy for seafloor pressure, which we calibrate with wave buoy measurements during the ice-free season (August 2022). We apply this calibration during the ice formation season (November 2021) to obtain unprecedented resolution of variable wave attenuation rates in new, partial ice cover. The location and strength of wave attenuation serve as a proxy for ice coverage and thickness, especially during rapidly-evolving events." @default.
- W4383669786 created "2023-07-09" @default.
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- W4383669786 date "2023-07-09" @default.
- W4383669786 modified "2023-09-25" @default.
- W4383669786 title "Observations of ocean surface wave attenuation in sea ice using seafloor cables" @default.
- W4383669786 doi "https://doi.org/10.22541/essoar.168889938.88368062/v1" @default.
- W4383669786 hasPublicationYear "2023" @default.
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