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1987年に観測された長崎県南部地方の対流性降雨の微細構造


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Title: 1987年に観測された長崎県南部地方の対流性降雨の微細構造
Other Titles: Fine Structure of Convective Rainnstorms over Nagasaki in 1987
Authors: 荒生, 公雄 / 椿, 隆博 / 中田, 勝夫
Authors (alternative): Arao, Kimio / Tsubaki, Takahiro / Nakata, Masao
Issue Date: 28-Feb-1989
Publisher: 長崎大学教育学部
Citation: 長崎大学教育学部自然科学研究報告. vol.40, p.55-60; 1989
Abstract: The rainfall in 1987 monsoon season over the south of Nagasaki Prefecture was studied with a special interest in the raphic enhencement of convective clounds. The PPI marine radar of 3.2cm wavelength and three rain-guages with a digital printer were the main equipments of this study. The records of 34 rain-gauges of ordinary type in this region were lso utilized for estimating the movement of clound system. The results of this study are summarized as follows: (1) The in-guage with a digital printer, which prints out both the time (hour, minute and second) and the accumurated amount of rainfall for every 0.5mm pulse, is very useful for evaluating the rainfall amount in a short time period such as one, five or ten minutes. (2) The behavior of the thunderstorm on 5 July was very interesting, because the development of this rain system was simliar to that of the Nagasaki heavy rainfall occurred in 1982. New convective rain cells of this storm were generated at the southwestern end of the storm region and moved to the east, so that the orographic effects of Nishisonogi Peninsula is more or less attribtable to the development of the storm. (3) One of the interesting features was the line-shaped rain and with very narrow width and with long life me, which extended from the eastern part of Nagasaki City to Isahaya City. New cells of this system occured the west end of e line. The behavior of this rain cloud also suggests an orographic effect due to the moderate hills of Nagasaki Peninsula.
URI: http://hdl.handle.net/10069/32447
ISSN: 0386443X
Type: Departmental Bulletin Paper
Text Version: publisher
Appears in Collections:No. 40

Citable URI : http://hdl.handle.net/10069/32447

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