北京冬奥会高山滑雪赛道测风数据研究

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Abstract The Yanqing alpine skiing area has a high altitude and a special local climate.The meteorological support team uses a cup wind sensor and ultrasonic wind meter for joint observation.After studying the measurement data before and after the race,it is concluded that the difference between the two kind of data is mainly caused by the slope of the track,turbulence and the influence of ground objects.The freezing of the wind sensor is caused by the combined action of super cooled water,air temperature,relative humidity and wind speed.The heating function of the ultrasonic anemometer effectively guarantees the continuity and accuracy of the wind measurement data during the event.The application proves that the combined use of the two sensors can meet the requirements of refined forecasting services for the Winter Olympics.

Key words： Winter Olympics ultrasonic anemometer wind sensor freezing wind cup alpine meteorological observation

Received: 29 July 2022

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	Articles by authors
	Zhang Chi
	Chang Chen
	Yang Bixuan
	Zhang Qihai
	Jiao Songtao
	Liu Jun
	Li Xuguang
	Cheng Lei

Cite this article:

Zhang Chi,Chang Chen,Yang Bixuan等. Research on wind measurement data of alpine skiing track in Beijing Winter Olympic Games[J]. Meteorological Hydrological and Marine Instrument, 2023, 40(1): 8-11.

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http://www.qxswhy.com/EN/ OR http://www.qxswhy.com/EN/Y2023/V40/I1/8

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