Kamaya Landslide at Kikonai Town,Southern Hokkaido,Japan--A Landslide History in Terms of Geomorphologic and Forestation Change
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- YAMAGISHI Hiromitsu
- Geological Survey of Hokkaido
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- SHIMURA Kazuo
- Shin Kohku Shashin co., Ltd.
書誌事項
- タイトル別名
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- Kamaya Landslide at Kikonai Town, Southern Hokkaido, Japan
- Kamaya Landslide at Kikonai Town Southe
- A Landslide History in Terms of Geomorphologic and Forestation Change
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抄録
We have found a large-scale landslide in a hilly mountainous area of Kikonai Town, southern Hokkaido, by recent aerophotographs. Through previous aerophotographs of the landslide area, we can determine that the landslide occurred after June 23 and before July 27, 1988. Further investigation into the aerophotographs of ca. 1948, 1959, 1973, 1976, 1988 has revealed that the landslide has a historical movement related with cutting of needle-leaf forests (man-made cedar forest). In addition, we have researched the landslide in the field and analyzed the landslide volume in comparison between the maps made through aerophotographs in 1959 and those in 1988. As the results, the landslide is geologically dip-slipping within a clayey rhyolitic tuff and was triggered by upheaval of groundwater level in the old landslide, followed by considerable high precipitaion in June and July, 1988.
収録刊行物
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- 地すべり
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地すべり 28 (4), 23-28_1, 1992
公益社団法人 日本地すべり学会
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詳細情報 詳細情報について
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- CRID
- 1390282679522405248
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- NII論文ID
- 130001009462
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- NII書誌ID
- AN00332562
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- ISSN
- 18843956
- 02852926
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- NDL書誌ID
- 3610415
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- 使用不可