@article{oai:niigata-u.repo.nii.ac.jp:00028158, author = {新潟県青海町玉ノ木地すべり総合研究班}, journal = {新潟大学積雪地域災害研究センター研究年報, 新潟大学積雪地域災害研究センター研究年報}, month = {Jan}, note = {This paper describes the results of the investigation of the Tamanoki landslide disaster. The results are summarized as follow: 1. The cause of this landslide was the great amount of water supplied by the rapid melting of snow 15 days before the landslide occurred. 2. We found that a few steps, residual landforms of normal fault type cracks, which had been formed by the old landslide had occurred 260 years earlier according to our lowest estimate. The primary cause of the landslide may be that the residual cracks expanded before the landslide. 3. The cracks could have been formed by a slipping mass caused by gravity, because the old steps intersected each other perpendicularly to the slope direction. 4. The sudden increase of infiltration of melting snow water through the newly expanded old cracks mentioned above must have acted as the trigger of landslide.}, pages = {73--92}, title = {新潟県青海町玉ノ木地すべり災害に関する総合的研究 (中俣三郎教授退官記念号)}, volume = {7}, year = {1986} }