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  1. 0 資料タイプ別
  2. 03 紀要論文
  1. 360 災害・復興科学研究所
  2. 20 紀要
  3. 90 新潟大学積雪地域災害研究センター研究年報
  4. 第11号

日本の第三系堆積盆地における地すべりの歴史 (故大草重康教授追悼号)

http://hdl.handle.net/10191/39111
http://hdl.handle.net/10191/39111
168bd614-7558-4c2d-8fc4-b436ec158928
名前 / ファイル ライセンス アクション
11_1-8.pdf 11_1-8.pdf (379.2 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2016-03-04
タイトル
タイトル 日本の第三系堆積盆地における地すべりの歴史 (故大草重康教授追悼号)
タイトル
言語 en
タイトル 日本の第三系堆積盆地における地すべりの歴史 (故大草重康教授追悼号)
言語
言語 jpn
キーワード
主題Scheme Other
主題 Ancient primary landslide
キーワード
主題Scheme Other
主題 Present landslide
キーワード
主題Scheme Other
主題 Mudstone
キーワード
主題Scheme Other
主題 Neotectonics
キーワード
主題Scheme Other
主題 Humid Climate
キーワード
主題Scheme Other
主題 Retrogressive failare
キーワード
主題Scheme Other
主題 旧期初生的地すべり
キーワード
主題Scheme Other
主題 現在の地すべり
キーワード
主題Scheme Other
主題 泥岩
キーワード
主題Scheme Other
主題 ネオテクトニクス
キーワード
主題Scheme Other
主題 湿潤気候
キーワード
主題Scheme Other
主題 進行性破壊
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
その他のタイトル
その他のタイトル Landslide History in a Tertiary Sedimentary Basin in the Quaternary in Japan
著者 大草, 重康

× 大草, 重康

WEKO 161490

大草, 重康

Search repository
高浜, 信行

× 高浜, 信行

WEKO 161491

高浜, 信行

Search repository
藤田, 至則

× 藤田, 至則

WEKO 161492

藤田, 至則

Search repository
著者別名
識別子 161493
識別子Scheme WEKO
姓名 Okusa, Shigeyasu
著者別名
識別子 161494
識別子Scheme WEKO
姓名 Takahama, Nobuyuki
著者別名
識別子 161495
識別子Scheme WEKO
姓名 Fujita, Yukinori
抄録
内容記述タイプ Abstract
内容記述 The present geomorphology of hill areas in the Niigata district, Japan, consisting of Neogene to Pleistocene muddy sediments suggests the occurrence of ancient mass movements on a large scale. The traces of ancient landslide headscarps are represented by the more or less linear arrangement of valleys and geomorphological lineaments. The large ancient headscarps thus restored take the form of an amphitheater and have a dimension of the order of one to several kilometers in diameter. Small scale landslides which occurred in later ages are found in the amphitheaters and around the ancient headscarps. Most of present active landslides occur in the marginal areas of ancient landslides due to reactivation of the colluvial debris and blocks formed by ancient landslides. It is inferred from the relationship between the ancient headscarps and river terraces, and between the headscarps and the red soils which indicate humid and temperate stages in the Japanese Islands since the Middle Pleistocene that ancient landslides began their activity in the Middle Pleistocene to late Pleistocene. Upheavals and block movements since the Middle Pleistocene which have been repeated several times up to the present age in the Niigata district were a major trigger of old mass movements. A large supply of groundwater during interglacial and postglacial epochs associated with the humid and temperate climate contributed to deep weathering and mass movements. Two borings were dug down to about 100m and 150m in the central part of an ancient amphitheatric landslide. Back analysis was carried out for the inferred slip surfaces of the primary, secondary and present landslides. Data from the borings and back analysis show the possibility of ancient primary landslides of a retrogressive type under humid and temperate climatic conditions. The virgin failure might have occurred in the mudstone with the intact undrained shear strength and retrogressive failures with a combination of the intact undrained shear strength and residual undrained shear strength. Secondary and present landslides occurred in the previously disturbed mudstone with the residual shear strength. Old landslides in the Quaternary are closely related to the present activity of landslides. In order to prevent landslide disasters and to plan rational use of those landslide-active hill areas of muddy sediments which experienced intense neotectonic movements under humid and temperate climatic conditions, the analysis of the geologic history of the site and the sequence of landslide occurrences in the Quaternary is indispensable.
書誌情報 新潟大学積雪地域災害研究センター研究年報
en : 新潟大学積雪地域災害研究センター研究年報

巻 11, p. 1-8, 発行日 1989-12
出版者
出版者 新潟大学積雪地域災害研究センター
ISSN
収録物識別子タイプ ISSN
収録物識別子 03877892
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00183327
著者版フラグ
値 publisher
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