立山,内蔵助カールでの永久凍土の発見

書誌事項

タイトル別名
  • Result of Permafrost Investigation in Kuranosuke Cirque, Tateyama, the Japanese Alps.
  • タテヤマ クラノスケ カール デ ノ エイキュウ トウド ノ ハッケン

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抄録

On October 10th, 1999, permafrost was found by pit survey on the protalus rampart in Kuranosuke Cirque, Mt. Tateyama, central Japan. The results of the pit survey showed that active layer thickness was about 120-130 cm.<BR>Deep freezing preceding the permanent snow-cover in autumn causes the frost layer, and snow-cover that remains until late summer performs an important role in preserving this permafrost.<BR>Protalus rampart has been thought to only rest on the surface of the snow patch (ice body). As the result of electrical resistivity sounding, however, an ice body was not found under the protalus rampart.

収録刊行物

  • 雪氷

    雪氷 62 (1), 23-28, 2000

    公益社団法人 日本雪氷学会

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