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2 results

  • Measurement of Strains and Pressure in a Snow Cover on a Slope

  • Hiromu Shimizu, Eizi Akitaya, Mitsuo Oh’Izumi, Yauso Hirabayashi
  • Journal:
    Annals of Glaciology / Volume 6 / 1985
    Published online by Cambridge University Press:
    20 January 2017, pp. 303-304
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  • Four methods of measuring strain and pressure in a snow cover on a slope are presented. The hole-mark method and short-span deformation gauge are used to measure the internal strains of snow, the long-span deformation gauge to measure the local extension/contraction of a snow cover, and snow pressure gauge to measure the pressure in a snow cover.

  • A Study on High-Speed Avalanches in the Kurobe Canyon, Japan

  • Hiromu Shimizu, Tosio Huzioka, Eizi Akitaya, Hideki Narita, Masayuki Nakagawa, Kunio Kawada
  • Journal:
    Journal of Glaciology / Volume 26 / Issue 94 / 1980
    Published online by Cambridge University Press:
    20 January 2017, pp. 141-151
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  • 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.