Generation of Hydroacoustic Waves by an Oscillating Ice Block in Arctic Zones
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AAV.2016.8076108.pdf
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Author(s)
Kadri, Usama
Date Issued
July 2016
Journal
Advances in Acoustics and Vibration
Publisher
Hindawi Publishing Corporation
Citation
Kadri, Usama. "Generation of Hydroacoustic Waves by an Oscillating Ice Block in Arctic Zones." Advances in Acoustics and Vibration 2016 (2016), Article ID 8076108, pp. 1-7.
Version
Final published version
Abstract
The time harmonic problem of propagating hydroacoustic waves generated in the ocean by a vertically oscillating ice block in arctic zones is discussed. The generated acoustic modes can result in orbital displacements of fluid parcels sufficiently high that may contribute to deep ocean currents and circulation. This mechanism adds to current efforts for explaining ocean circulation from a snowball earth Neoproterozoic Era to greenhouse earth arctic conditions and raises a challenge as the extent of ice blocks shrinks towards an ice-free sea. Surprisingly, unlike the free-surface setting, here it is found that the higher acoustic modes exhibit a larger contribution.
MIT Department
Massachusetts Institute of Technology. Department of Mathematics
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Creative Commons Attribution
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DOI of Published Version
https://doi.org/10.1155/2016/8076108
