Abstract
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.
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Acknowledgements
We are indebted to Asia Aerial Survey Co. Ltd. and Shin Engineering Co. Ltd. for providing and taking the aerial photographs, respectively. We are also grateful to Prof. R. Sidle of Kyoto University for a useful and kind review of our draft.
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Yamagishi, H., Marui, H., Ayalew, L. et al. Estimation of the sequence and size of the Tozawagawa landslide, Niigata, Japan, using aerial photographs. Landslides 1, 299–303 (2004). https://doi.org/10.1007/s10346-004-0032-2
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DOI: https://doi.org/10.1007/s10346-004-0032-2