著者
山口 弘誠 中北 英一 野中 理伸
出版者
公益社団法人 土木学会
雑誌
土木学会論文集B1(水工学) (ISSN:2185467X)
巻号頁・発行日
vol.69, no.4, pp.I_307-I_312, 2013 (Released:2014-03-31)
参考文献数
17

Some rain-gauges produce a disturbance of the air currents which is called "Jevons effect", thereby a disturbance in the distribution of precipitation of such a kind that a part of the rain is carried past the rain-gauge, and the amount of variation from the true rainfall increases with increasing wind velocity. To evaluate the capture ratio when a strong wind occurs, the 9 m2 huge rain-gauge was invented that could reduce and neglect the Jevons effect. The total amount of rainfall for three months observed from the huge rain-gauge is about 5 % greater than that observed from the standard rain-gauge. 2-dimensional video disdrometer analysis showed that the capture ratio was low during the rainfall which had the small median diameter of the raindrop size distribution.

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@adonis_fish 最近はこういうのもありまして.本文を見ると,一回転倒で0.02mm(20μm)まで計測できるようです. https://t.co/tdRgbwabps

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