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- Q2618174 subject Q7131174.
- Q2618174 subject Q7214347.
- Q2618174 subject Q8703087.
- Q2618174 abstract "Singing sand, also called whistling sand or barking sand, is sand that produces sound. The sound emission may be caused by wind passing over dunes or by walking on the sand.Certain conditions have to come together to create singing sand: The sand grains have to be round and between 0.1 and 0.5 mm in diameter. The sand has to contain silica. The sand needs to be at a certain humidity.The most common frequency emitted seems to be close to 450 Hz.There are various theories about the singing sand mechanism. It has been proposed that the sound frequency is controlled by the shear rate. Others have suggested that the frequency of vibration is related to the thickness of the dry surface layer of sand. The sound waves bounce back and forth between the surface of the dune and the surface of the moist layer, creating a resonance that increases the sound's volume. The noise may be generated by friction between the grains or by the compression of air between them.Other sounds that can be emitted by sand have been described as "roaring" or "booming".".
- Q2618174 thumbnail Altynemel_dune.jpg?width=300.
- Q2618174 wikiPageExternalLink bar.htm.
- Q2618174 wikiPageExternalLink sbdA.html.
- Q2618174 wikiPageExternalLink 016602.
- Q2618174 wikiPageExternalLink 238001.
- Q2618174 wikiPageExternalLink 018002.
- Q2618174 wikiPageExternalLink Review-Booming-Sand.pdf.
- Q2618174 wikiPageExternalLink booming_sand.html.
- Q2618174 wikiPageExternalLink 2007GL030276.
- Q2618174 wikiPageExternalLink singing-sand.html.
- Q2618174 wikiPageExternalLink SongofDunesIndex.html.
- Q2618174 wikiPageExternalLink featuredetail.asp?id=16.
- Q2618174 wikiPageExternalLink SongOfDunes.html.
- Q2618174 wikiPageExternalLink A37_CommentSong.pdf.
- Q2618174 wikiPageExternalLink ?p=1025.
- Q2618174 wikiPageExternalLink symphony-of-the-sands.
- Q2618174 wikiPageExternalLink video-the-singing-sands-of-liwa.
- Q2618174 wikiPageWikiLink Q1069900.
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- Q2618174 wikiPageWikiLink Q2167346.
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- Q2618174 wikiPageWikiLink Q25391.
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- Q2618174 wikiPageWikiLink Q319114.
- Q2618174 wikiPageWikiLink Q34679.
- Q2618174 wikiPageWikiLink Q37221.
- Q2618174 wikiPageWikiLink Q384796.
- Q2618174 wikiPageWikiLink Q39369.
- Q2618174 wikiPageWikiLink Q4949835.
- Q2618174 wikiPageWikiLink Q5329.
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- Q2618174 wikiPageWikiLink Q5535576.
- Q2618174 wikiPageWikiLink Q6023179.
- Q2618174 wikiPageWikiLink Q657748.
- Q2618174 wikiPageWikiLink Q657936.
- Q2618174 wikiPageWikiLink Q6880418.
- Q2618174 wikiPageWikiLink Q7131174.
- Q2618174 wikiPageWikiLink Q7214347.
- Q2618174 wikiPageWikiLink Q7415839.
- Q2618174 wikiPageWikiLink Q750209.
- Q2618174 wikiPageWikiLink Q7634959.
- Q2618174 wikiPageWikiLink Q782.
- Q2618174 wikiPageWikiLink Q790510.
- Q2618174 wikiPageWikiLink Q846.
- Q2618174 wikiPageWikiLink Q8514.
- Q2618174 wikiPageWikiLink Q867603.
- Q2618174 wikiPageWikiLink Q8703087.
- Q2618174 wikiPageWikiLink Q991459.
- Q2618174 wikiPageWikiLink Q992476.
- Q2618174 description "Walking on singing sand at "Kotogahama" Beach in Nimacho, Odashi, Shimane, Japan".
- Q2618174 filename "KotogahamaWorking.ogg".
- Q2618174 title "Walking on singing sand".
- Q2618174 type Thing.
- Q2618174 comment "Singing sand, also called whistling sand or barking sand, is sand that produces sound. The sound emission may be caused by wind passing over dunes or by walking on the sand.Certain conditions have to come together to create singing sand: The sand grains have to be round and between 0.1 and 0.5 mm in diameter. The sand has to contain silica.".
- Q2618174 label "Singing sand".
- Q2618174 depiction Altynemel_dune.jpg.