National Taiwan Ocean University Institutional Repository:Item 987654321/39975
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題名: A study of typhoon intensity change using satellite remote sensing data
作者: Chung Ru Ho
Yu Ching Chsng
Yung Hsiang Lee
Zhe Wen Zheng
Shih Jen Huang
Nan Jung Kuo
貢獻者: 國立臺灣海洋大學:海洋環境資訊學系
關鍵詞: Air-sea interaction
Typhoon
Northwestern Pacific
Data mining
Decision tree
Sea surface temperature
日期: 2011-04
上傳時間: 2017-01-11T03:15:50Z
出版者: 34th International Symposium on Remote Sensing of Environment
摘要: Abstract: Mechanisms of influence on typhoon intensity change in the northwestern Pacific are studied by using satellite remote sensing data. A decision tree of data mining technique is applied to analyze the possible influence of geophysical parameters on typhoon intensity change. The related geophysical parameters include sea surface temperature, atmospheric water vapor, rain rate, sea surface height anomaly, and sea-air temperature difference. The total number of 14 Category-5 typhoons occurred between 2003 and 2007 in the northwestern Pacific is employed for this study. The results indicate that the major mechanism of influence on typhoon intensity change is seaair temperature difference and the second one is sea surface temperature. About 88 % typhoon intensity is enhanced when a typhoon passes over the ocean where its sea surface temperature is larger than air temperature. The model is further validated by typhoon JANGMI. The accuracy and precision of this model are 82.3 % and 85.7%, respectively.
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/39975
顯示於類別:[海洋環境資訊系] 演講及研討會

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