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タイトル: 長崎付近で発生した1996年6月の持続型ライン状降雨
その他のタイトル: Line-Shaped Stationary Rain Echoes Appeared in June 1996 from Nagasaki Peninsula in Kyushu,Japan
著者: 荒生, 公雄 / 藤吉, 康志 / 武田, 喬男
著者(別表記) : Arao, Kimio / Fujiyoshi, Yasushi / Takeda, Takao
発行日: 1998年12月
引用: 長崎大学総合環境研究 1(1), p.149-166; 1998
抄録: In order to reveal the evolution and structure of heavy rainfalls over Nagasaki district, the authors carried out the observational study using a meteorological RHI radar at Isahaya City. We obtained three-dimensional details of radar echo distribution within a radius of 50km and up to 15km in height every 10 minutes. Our observations in June 1996 detected three cases of the line-shaped stationary radar echoes extending from the Nagasaki Peninsula area to the direction of Isahaya Bay. The appearance of this kind of line echo is fairly common. These particular echoes suggest that there is a topographical effect of rain-cloud formation, because these line-shaped echoes appear only under some common limited conditions, which are : (a) A considerably strong, humid surface wind from the S to SSW. (b) Individual cellular echoes within the linear echoes move in a velocity coinciding with the upper wind, so that, every component is replaced continuously. (c) The direction of the line also agrees with the direction of the upper wind.
URI: http://hdl.handle.net/10069/5377
ISSN: 13446258
資料タイプ: Departmental Bulletin Paper
出現コレクション:第1巻 第1号

引用URI : http://hdl.handle.net/10069/5377



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