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Matches in DBpedia 2014 for { <http://dbpedia.org/resource/Singing_sand> ?p ?o. }

• Singing_sand abstract "Singing sand, 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".The particular note produced by the dune, between 60 and 105 hertz, is controlled by the rate of collision in the shear band separating the avalanche from the static part of the dune. For spontaneous avalanches, the frequency is controlled by gravity and by the size of the sand grains.".
• Singing_sand thumbnail Altynemel_dune.jpg?width=300.
• Singing_sand wikiPageExternalLink 016602.
• Singing_sand wikiPageExternalLink 238001.
• Singing_sand wikiPageExternalLink 018002.
• Singing_sand wikiPageExternalLink Review-Booming-Sand.pdf.
• Singing_sand wikiPageExternalLink booming_sand.html.
• Singing_sand wikiPageExternalLink 2007GL030276.
• Singing_sand wikiPageExternalLink singing-sand.html.
• Singing_sand wikiPageExternalLink bar.htm.
• Singing_sand wikiPageExternalLink SongofDunesIndex.html.
• Singing_sand wikiPageExternalLink featuredetail.asp?id=16.
• Singing_sand wikiPageExternalLink SongOfDunes.html.
• Singing_sand wikiPageExternalLink A37_CommentSong.pdf.
• Singing_sand wikiPageExternalLink sbdA.html.
• Singing_sand wikiPageExternalLink ?p=1025.
• Singing_sand wikiPageExternalLink NEWS.
• Singing_sand wikiPageExternalLink NEWS.
• Singing_sand wikiPageID "184101".
• Singing_sand wikiPageRevisionID "556296926".
• Singing_sand description "Walking on singing sand at "Kotogahama" Beach in Nimacho, Odashi, Shimane, Japan".
• Singing_sand filename "KotogahamaWorking.ogg".
• Singing_sand hasPhotoCollection Singing_sand.
• Singing_sand title "Walking on singing sand".
• Singing_sand subject Category:Dunes.
• Singing_sand subject Category:Physical_phenomena.
• Singing_sand subject Category:Sand.
• Singing_sand type Dune109270735.
• Singing_sand type Dunes.
• Singing_sand type GeologicalFormation109287968.
• Singing_sand type NaturalElevation109366317.
• Singing_sand type Object100002684.
• Singing_sand type PhysicalEntity100001930.
• Singing_sand type Ridge109409512.
• Singing_sand type YagoGeoEntity.
• Singing_sand type YagoPermanentlyLocatedEntity.
• Singing_sand comment "Singing sand, 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.".
• Singing_sand label "Areia cantora".
• Singing_sand label "Chant des dunes".
• Singing_sand label "Dunas cantoras".
• Singing_sand label "Singing sand".
• Singing_sand label "Поющий бархан".
• Singing_sand label "鳴き砂".
• Singing_sand sameAs Dunas_cantoras.
• Singing_sand sameAs Chant_des_dunes.
• Singing_sand sameAs 鳴き砂.
• Singing_sand sameAs Areia_cantora.
• Singing_sand sameAs m.0194v4.
• Singing_sand sameAs Q2618174.
• Singing_sand sameAs Q2618174.
• Singing_sand sameAs Singing_sand.
• Singing_sand wasDerivedFrom Singing_sand?oldid=556296926.
• Singing_sand depiction Altynemel_dune.jpg.
• Singing_sand isPrimaryTopicOf Singing_sand.