1985〜1986年冬期の積雪に伴う被害

概要

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Data of snow damages in winter of 1985/86 were accumulated from articles of news paper to make actual snow damages condition clear. The number of such articles exceeded a thousand cases, and 981 snow damages occurred in 28 including Tokyo and Hokkaido prefectures. 631 snow damages of these had casualties; 136 men were killed and 981 men were wounded (29 men killed in snow avalanches, 17 men killed in traffic accidents due to a slip car, 17 men killed in accidents of river and open channel to pour snow and water (ryusetsuko in Japanese), and 413 men wounded in ski, 219 men wounded in traffic accidents due to a slip of car, 208 men wounded in railway accidents). The number of snow damages to buildings and facilities was a small number. However, the damages to facilities of transmission of electricity and those of a railway had a great influence on every day life and traffic of many people in wide area. The snow damage period was mainly from the end of January to the middle of February. This period corresponds to the heavy snowfall season; in this period, Japan was covered with cold air, and the air temperature at 700 mb surface over Wajima in Ishikawa prefecture was lowered to about -20℃. Particularly during a snowfall, snow damage occurred frequently.
独立行政法人防災科学技術研究所の論文
1987-03-31