Characteristics of Maximum Wind Velocity and Estimation of Extreme Maximum Velocity in Return Period
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Abstract:
Based on the 10minute maximum wind velocity data of Zaozhuang from 1971 to 2008, the characteristics of maximum wind velocity are analyzed. The results show that the annual maximum wind velocity displayed a decreasing trend in spring, summer, autumn, and winter in the past 40 years. The annual maximum wind velocity had a downward trend of 1.47 m/s per 10 years, decreased most quickly in winter, with the decreasing rate being 1.67 m/s per 10 years. The decreasing rates of maximum wind velocity in summer and autumn are lower than that of annual maximum wind velocity. The spring maximum wind velocity descended most slowly, and the extreme maximum wind velocity was mainly appearing in spring. The monthly maximum wind velocity shows a decreasing trend with a twopeaktwovalley pattern. By using the method of Gumbel distribution, the extreme maximum wind velocity for occurring once every 10, 20, 30, 50, 100, 200, 500, and 1000 years are estimated. It can satisfy the needs of users.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.