鳥海山貝形小氷河の雪氷気候学的研究 (2)

DOI Web Site 被引用文献6件

書誌事項

タイトル別名
  • The Glacio-Climatological Study on the Kai-gata Glacieret, Mt. Chokai (2)
  • チョウカイサン カイケイ ショウ ヒョウガ ノ セッピョウ キコウガクテキ ケ
  • Instrumental Surveys of Shape and Size and Movement Measurements
  • 形態測量と流動観測

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抄録

A ground based photogrametric survey and a triangular survey were progressed during the latter half of the ablation season of 1975 in succession with two simplified surveys in Octobers 1973 and 1974 for the shape and size measurements of the Kai-gata Glacieret, Mt. Chokai which is reported in the previous paper (Tsuchiya, 1977). Similitaneously the measurements of the movement of this glacier (a small niche type glacier) are carried out.<BR>The Kai-gata Glacieret became to its minimum size in 1972, then it became to larger size with perennial snow but mostly glacier ice in 1973, and it became to the maximum size and contained two year ice in 1974 during recent several decades. The distance of movement of this glacier during the latter half of the ablation season in 1974 was of 0.5-1 m but within the instrumental errors in measurement. In the case of 1975, it became to mostly two years ice mass and moved about 20m on the stage of decreasing of its size and thickness.<BR>The slope at the front of the glacier was 48°, 78° and 90° or more in 1973, 1974 and 1975 respectively, and a part of the ice wall appearently advanced during the period of August-October in 1975, namely the extent of the movement was larger than the ablation.

収録刊行物

  • 雪氷

    雪氷 40 (1), 1-9, 1978

    公益社団法人 日本雪氷学会

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