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Title: 不安定場モデルをベースにした3次元レーダー情報による短時間降雨予測手法
Other Titles: EVOLUTION OF SHORT-TERM RAINFALL PREDICTION METHOD USING INFORMATION ON ECHO FROM THREE-DIMENSIONALLY SCANNING RADAR, BASED ON MODELS OF INSTABILITY FIELD
Authors: 中北, 英一  KAKEN_name
澤田, 典靖  KAKEN_name
川崎, 隆行  KAKEN_name
池淵, 周一  KAKEN_name
高棹, 琢馬  KAKEN_name
Author's alias: NAKAKITA, Eiichi
SAWADA, Noriyasu
KAWASAKI, Takayuki
IKEBUCHI, Shuichi
TAKASAO, Takuma
Issue Date: 1-Apr-1992
Publisher: 京都大学防災研究所
Journal title: 京都大学防災研究所年報. B = Disaster Prevention Research Institute Annuals. B
Volume: 35
Issue: B-2
Start page: 483
End page: 507
Abstract: This paper includes description on evaluation of physically based short-term rainfall prediction method by use of three-dimensionally scanning radar, which we have already proposed, into a operationally utilized method; and a new definition of insatability field model which should be utilized as a main component of the prediction method.The evaluation has been realized by the following developments; (1) Utilizing conventional and operational method of predicting rainfall using radar information in the form of PPI or CAPPI into the prediction of the movement of instability field; (2) Developing method of estimating and predicting wind field associated with typhoon; (3) Reduction of CPU time of prediction by simplifying computation scheme.On the other hand, the new definition of the instability field model has realized that vertical transportation of water vapor and the concept of latent inatability were cooperatively introduced into the model, with results that a shape of rainband became to be fully represented by use of this phisically based model.
URL: http://www.dpri.kyoto-u.ac.jp/nenpo/nenpo.html
URI: http://hdl.handle.net/2433/72396
Appears in Collections:No.35 B-2

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