Gumbel分布の係数で考察する日本列島における設計用風速

概要

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The product of parameters in the Gumbel distribution, which is frequently applied to annual largest wind speeds, is employed to analyze the wind climate of the Japanese Isles. Three annual largest values caused by typhoons, winter to spring storms and their mixed events are investigated at 40 weather stations. The products obtained from winter to spring storm winds correspond to the values over well behaved wind climate countries such as the British Isles. The trend of typhoon activity is depicted on a probability paper by the probability distributions of typhoon winds and winter to spring storms. The combined use of probability distributions evaluated for typhoon winds and non-typhoon winds is recommended to set up design wind speeds in Japan.
1997-02-28