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発行年: 1979年~1979年
論文タイトル: 資料
OR 論文タイトル: 活褶曲
OR 論文タイトル: 信濃川下流地域
AND 著者名: 太田
2件中 1-2の結果を表示しています
  • 太田
    陽子, 鈴木 郁夫
    地理学評論
    1979年 52 巻 10 号 592-601
    発行日: 1979/10/01
    公開日: 2008/12/24
    ジャーナル フリー
    The deformations of fluvial terraces along the lower course of the Shinano River and its tributaries are well. known examples of active folds in Japan. The Shinano River flows almost northward approximately parallel to the main synclinal structure of the Plio-Pleistocene Uonuma Group, and pours into the Sea of Japan. Therefore, active folds succeeding its structure appear as the deformation of cross sections of terrace plains. The pattern of deformation due to active folding is demonstrated in the terrace distribution map and cross sections. Details of several examples of folded terraces are explained based on the descriptions of newly found good outcrops which confirm the deformation of terrace surfaces concordant with the foldings of terrace deposits.
  • アンケートによる資料の収集と整理
    太田
    裕, 大橋 ひとみ
    地震 第2輯
    1979年 32 巻 4 号 399-413
    発行日: 1979/12/25
    公開日: 2010/03/11
    ジャーナル フリー
    Basic Knowledge on human behaviors under the circumstances of a large earthquake is of great importance to find out a better way of mitigating earthquake disasters, especially such serious calamity as loss of human lives and injuries.
    For this purpose, by means of questionnaire and interview, a field survey was performed when the 1978 Izu-Oshima-Kinkai Earthquake attacked and then continued to a detailed one at the 1978 Miyagi-ken-oki Earthquake.
    In this paper, using the data by the questionnaire survey, the relation between frequency in occurrence of various responses and the seismic intensity is investigated so as to disclose an average or general feature of human response during and after a large earthquake.
    A major result obtained is a remarkable correlation of human responses to seismic intensities; when IJMA increases from III to VI, (i) Psychological responses such as fearfulness become severer and passive or unautonomic behaviors increase in number, (ii) Behaviors immediately after the end of a quake become active in order to cope with damage and to prepare against aftershocks, and (iii) Undesirable effects on daily life tend to be greater and last longer.
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