Sound-producing dune and beach sands

Details Sound-producing dune and beach sands Sound-producing dune and beach sands

Mar 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976gsamb..87..463l&link_type=abstract

Geological Society of America Bulletin, vol. 87, Mar. 1976, p. 463-473. Research supported by La Trobe University;

Computer Science

Sound

12

Beaches, Dunes, Sands, Sound Propagation, Acoustic Excitation, Lunar Surface, Mars Surface, Seismology, Wind Effects

Scientific paper

Acoustic and seismic outputs of booming sands and singing (squeaking) sands in response to shearing are investigated, with samples of silent sands studied for controls. A vertical-axis geophone buried at shallow depth and an air microphone were used in the studies. The frequency spectra of the acoustic and seismic responses, propagation delays, comparison of acoustic and seismic traces, grain size and grain surface texture, particle morphology, coherent behavior of grains in assemblages, and relation to prevalent local winds were studied. Mechanisms are still obscure and disputed; slumping and avalanches were induced artificially in some studies. Existence of booming dune phenomena on Mars or on the moon is conjectured.

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