Features of slope failure at sea cliff in Muroto peninsula, Shikoku district

Autor:	Natsumi Hirata, Hideki Inagaki, Hiromasa Hiura
Rok vydání:	2005
Předmět:	Slope failure geography geography.geographical_feature_category Terrace (geology) Aerial photos Peninsula Cliff Geomorphology Erosion rate Geology
Zdroj:	Journal of the Japan Landslide Society. 41:492-495
ISSN:	1882-0034 1348-3986
DOI:	10.3313/jls.41.5_492
Popis:	The features of slope failure at the sea cliff of the Muroto peninsula, Shikoku district, were analyzed by the aerial photo interpretation and the field investigations. Some essential characteristics of the slope failure became clear. Those slope failures at the sea cliff often occurred at the time of great earthquake. While the slopes of terraces, which are covered by forest keep being stable, though abandoned terraces which had been used for cultivation will often collapse on the occasion of the heavy rainfall because of the lack of maintenances. As for the slopes which consist mainly of unconsolidated terrace deposits, the cycle of the slope failure is about 20 years. The erosion rate of basement rock, Shimanto groups, is about 5. 6cm/year.
Databáze:	OpenAIRE
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