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- 八木下 晃司
- 岩手大学教育学部地学教室
書誌事項
- タイトル別名
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- Transportation and Sedimentation of Beach and Sea-floor Gravels Caused by Tsunami: An Example at Attari Coast, Iwate Prefecture.
- ツナミ ニ ヨル レキタイセキブツ ノ ウンパン オヨビ タイセキ イワテケンアッタリ カイガン ノ レイ
- An Example at Attari Coast, Iwate Prefecture
- 岩手県合足海岸の例
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説明
Gravel beds presumably formed by the Meiji-Sanriku-Tsunami (1896) Occur immediately below a large tsunami stone at Attari Coast, Ohfunato-City, northeast Japan. The stone weights approximately 10 tons and was transported by the tsunami from a nearby sea-floor. Gravel (mostly coarse-grained slate) beneath the tsunami stone consists of either rounded beach gravel or angular breccias that pre-existed on the beach or on the sea floor (probably deeper than the upper shoreface). Granulometric analyses of the breccias show a consistent decreae of size and number toward inland, whereas there is an increasing size and number of rounded beach gravel toward the foot-hill. The facts suggest that the tsunami (flood) was transported beach gravel inland during the deposition of angular clasts from the sea-floor.
収録刊行物
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- 地学雑誌
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地学雑誌 110 (5), 689-697, 2001
公益社団法人 東京地学協会
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詳細情報 詳細情報について
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- CRID
- 1390282679207048448
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- NII論文ID
- 10007646332
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- NII書誌ID
- AN00322536
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- ISSN
- 18840884
- 0022135X
- http://id.crossref.org/issn/0022135X
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- NDL書誌ID
- 5959774
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可