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Spectra of Vertical Wind Component and Temperature Fluctuations of Katabatic Winds Observed at Syowa Station in Case of Great Snow Smokes on the Antarctic Coastal Slope
[摘要] Characteristics of the spectra in the relatively lower frequency ranges of the strong katabatic winds observed by the ultra sonic anemometer-thermometers (SAT) at Syowa Station, Antarctica are studied.The great snow smokes which are the very high drifting snow and rotating roll clouds on the Antarctic coastal slope not far from Syowa Station are observed at Syowa Station.The great snow smokes indicate clearly the existence of the hydraulic jump of the katabatic winds.The relationship of the great snow smokes to the vertical wind and temperature spectra of the katabatic winds is investigated.
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[效力级别]  [学科分类] 大气科学
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