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Title
Japanese:インドシナ半島における長寿命台風の特徴分析 
English:Analysis of Long-Lived Typhoons Over the Indochinese Peninsula 
Author
Japanese: 織茂奈津美, 瀬戸里枝, 吉田奈津妃, 渡邉恵, 鼎信次郎.  
English: Natsumi Orimo, Rie Seto, Natsuki Yoshida, megumi watanabe, Shinjiro Kanae.  
Language Japanese 
Journal/Book name
Japanese:土木学会論文集B1（水工学） 
English:Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 
Volume, Number, Page 74    5    p. 1213-1218
Published date Nov. 2018 
Publisher
Japanese:土木学会水工学委員会 
English:Japan Society of Civil Engineers 
Conference name
Japanese:第63回 水工学講演会 
English: 
Conference site
Japanese:北海道 札幌市 
English: 
Official URL https://www.jstage.jst.go.jp/article/jscejhe/74/5/74_I_1213/_article/-char/ja
 
DOI https://doi.org/10.2208/jscejhe.74.5_I_1213
Abstract This research aims to expend knowledge of the mechanism of slowly dissipating typhoons which are called “the long-lived typhoon” over Indochina. We analyzed the landing position of typhoons and decadal and monthly change in typhoon lifetime from 1958 to 2016. The typhoon lifetime seems to be related to landing position. The Self-Organizing Map （SOM）was used for classification based on the environmental field of precipitable water, wind velocity at 850hPa and sea level barometric pressure . The SOM result shows that the condition where the positive deviation field of precipitable water exists in the whole peninsula or the south part might cause long-lived typhoons.

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