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Sand Vortices at the Bottom of the Shallow Sea
[摘要] A vortex of sand is often observed in the shallow sea along beach. By producing waves having various periods in the water tank of the hydraulic laboratory, the authors have taken photographs of the motion of sand particles forced by waves and discussed the mechanism to produce the sand vortex.
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[效力级别]  [学科分类] 大气科学
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