A Study on High-Speed Avalanches in the Kurobe Canyon, Japan
1980 ◽
Vol 26
(94)
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pp. 141-151
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Abstract Observations and measurements were made of high-speed avalanches at Shiai-dani, the Kurobe canyon, to reveal their real features and properties, using strain-gauge-type load cells in measuring impact force and speed. A maximum impact pressure of 140 × 104 N m-2 was obtained, as well as data indicating the existence of a number of wave fronts, ranging in speed from 9 to 60 m s -1 inside an avalanche. Violent changes in atmospheric pressure ranging from -21 to +5 mbar were observed near its path when a high-speed avalanche passed by.
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1980 ◽
Vol 26
(94)
◽
pp. 179-187
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