二次元電気探査による重力性変形地形浅層部の可視化の試み Preliminary Study for Visualizing the Subsurface Structure of Gravitational Deformation Slopes Using Electrical Resistivity Tomography

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著者

    • 西井 稜子 NISHII Ryoko
    • 筑波大学生命環境系(農林技術センター井川演習林) Ikawa University Forest, Faculty of Life and Environmental Sciences, University of Tsukuba

抄録

 Sackung features (scarps) have developed extensively in the Japanese Alps as a result of gravitational deformation. Electrical resistivity tomography was applied to evaluate the internal structure below eight scarps located above 2600 m a.s.l. The range of resistivity values differed significantly between the scarps and is mainly controlled by the moisture content of the ground. High- and low-resistivity areas were distinctly separated below some scarps. Areas of relatively low resistivity are considered as slightly fractured bedrock. In contrast, areas of high resistivity are likely to indicate highly fractured bedrock and/or talus without matrix. Such boundaries between high- and low-resistivity areas seem to correspond to fracture planes estimated from topography.

収録刊行物

  • 地學雜誌

    地學雜誌 122(4), 755-767, 2013

    公益社団法人 東京地学協会

各種コード

  • NII論文ID(NAID)
    130003373670
  • NII書誌ID(NCID)
    AN00322536
  • 本文言語コード
    JPN
  • ISSN
    0022-135X
  • NDL 記事登録ID
    024872421
  • NDL 請求記号
    Z15-169
  • データ提供元
    NDL  J-STAGE 
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