The waveguide theory for booming sand dunes

The waveguide theory for booming sand dunes

Sand on the leeward face of a large desert dune may create a persistent, low-frequency sound during a slumping event or natural avalanche. The sound may last for several minutes and be audible at far distances. The current manuscript describes the waveguide model and presents the mathematical deriva...

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Veröffentlicht in:Proceedings of the IUTAM-ISIMM Symposium 2009-09, Vol.1227, p.416-424
Hauptverfasser: Vriend, N M, Hunt, M L
Format: Artikel
Sprache:eng
Schlagworte:
Avalanches
Derivation
Desert environments
Deserts
Dunes
Mathematical models
Sand
Sand dunes
Slumping
Sound
Temporal logic
Waveguides
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Zusammenfassung:Sand on the leeward face of a large desert dune may create a persistent, low-frequency sound during a slumping event or natural avalanche. The sound may last for several minutes and be audible at far distances. The current manuscript describes the waveguide model and presents the mathematical derivation for the booming frequency from the waveguide model. The spatial and temporal variations of the waveguide influence the ability of a dune to produce the mysterious sounds of the desert.
ISSN:0094-243X