Estimation of the sequence and size of the Tozawagawa landslide, Niigata, Japan, using aerial photographs

On 5 January 2000, a landslide occurred along the right flank of the upper tributary of the Tozawagawa River in Niigata Prefecture, Japan. The landslide blocked the river and formed a temporary lake approximately 670 m long and 11 m deep. In this report, we estimated a time series of aerial photogra...

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Bibliographic Details
Published in:Landslides 2004-12, Vol.1 (4), p.299-303
Main Authors: Yamagishi, H, Marui, H, Ayalew, L, Sekiguchi, T, Horimatsu, T, Hatamoto, M
Format: Article
Language:English
Subjects:
Aerial photography
Landslides
Landslides & mudslides
Photogrammetry
Rivers
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Summary:On 5 January 2000, a landslide occurred along the right flank of the upper tributary of the Tozawagawa River in Niigata Prefecture, Japan. The landslide blocked the river and formed a temporary lake approximately 670 m long and 11 m deep. In this report, we estimated a time series of aerial photographs from 1947, 1976, 2000, and 2001 to describe the sequences of the landslide. There are some indications that the landslide is a reactivation of an old failure that occurred before 1947. In addition, we have attempted to calculate the scale and volume by aerial photogrammetry.[PUBLICATION ABSTRACT]
ISSN:1612-510X
1612-5118
DOI:10.1007/s10346-004-0032-2