琴引浜における鳴砂の発音特性の変動とその要因 Change in Sound-Producing Property of Singing Sand and its Controlling Factors at Kotohikihama-Beach

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The change in the sound-producing property of singing sand and its controlling factors were investigated at five investigation spots at Kotohikihama-beach over 6 years in order to clarify the factors in the deterioration of the sound-producing property of singing sand. As a result, it was proven that the sound-producing property deteriorated with the adherence of precipitated salts from seawater or silts and clays to the sand particle surface, which, except for moisture, markedly affects the sound-producing property. Such silts and clays had compositions the same as singing sand, and it was found that the feldspar component was more abundant than that in singing sand. Their particle size was about 10 μm or less caused by weathering or abrasion. Still, it is necessary to take removal countermeasure for these silts and clays, because the contamination of these materials in the sand layer seems to be mainly artificial. Surfactants and tobacco ashes that affect the sound-producing property were also investigated. However, these effects in the field could not be observed. The effect on singing sand by the NAKHODKA heavy oil spill incident, which occurred in 1997 during the investigation period, was also investigated. The pollution effect on singing sand by heavy oil was observed. However, it was found that the sound-producing property did not deteriorate ever in the presence of the oil.

収録刊行物

  • 水環境学会誌 = Journal of Japan Society on Water Environment  

    水環境学会誌 = Journal of Japan Society on Water Environment 31(4), 209-215, 2008-04-10 

    Japan Society on Water Environment

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各種コード

  • NII論文ID(NAID)
    10021158511
  • NII書誌ID(NCID)
    AN10372439
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09168958
  • NDL 記事登録ID
    9471451
  • NDL 雑誌分類
    ZN5(科学技術--建設工学・建設業--都市工学・衛生工学)
  • NDL 請求記号
    Z16-1045
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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