Impacts of two types of El Ni�o and la Ni�a events on typhoon activity

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題名:	Impacts of two types of El Ni�o and la Ni�a events on typhoon activity
作者:	許伯駿;Hsu, Po-Chun;Ho, Chung-Ru;Liang, Shin-Jye;Kuo, Nan-Jung
貢獻者:	太空及遙測研究中心
關鍵詞:	Correlation coefficient;Datasets;El Nino;La Nina;Meteorological research;Sea ice;Sea surface temperature;Typhoons
日期:	2013-01-01
上傳時間:	2026-04-21 14:25:02 (UTC+8)
出版者:	Hindawi Limited;Cairo, Egypt: Hindawi Limiteds
摘要:	摘要： The HadISST (Hadley Centre Sea Ice and Sea Surface Temperature) dataset is used to define the years of El Niño, El Niño Modoki, and La Niña events and to find out the impacts of these events on typhoon activity. The results show that the formation positions of typhoon are farther eastward moving in El Niño years than in La Niña years and much further eastward in El Niño Modoki years. The lifetime and the distance of movement are longer, and the intensity of typhoons is stronger in El Niño and in El Niño Modoki years than in La Niña years. The Accumulated Cyclone Energy of typhoon is highly correlated with the Oceanic Niño Index with a correlation coefficient of 0.79. We also find that the typhoons anomalously decrease during El Niño years but increase during El Niño Modoki years. Besides, there are two types of El Niño Modoki, I and II. The intensity of typhoon in El Niño Modoki I years is stronger than in El Niño Modoki II years. Furthermore, the centroid position of the Western Pacific Warm Pool is strongly related to the area of typhoon formation with a correlation coefficient of 0.95. 出版者： Cairo, Egypt: Hindawi Limiteds 出版日期： 2013-01-01 出處： Advances in Meteorology, 2013-01, Vol.2013 (2013), p.1-8 資源來源： CEPS中文電子期刊版權： Copyright © 2013 Po-Chun Hsu et al. 版權： COPYRIGHT 2014 John Wiley & Sons, Inc. 版權： COPYRIGHT 2014 Hindawi Limited 版權： Copyright © 2013 Po-Chun Hsu et al. Po-Chun Hsu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. 識別號： ISSN: 1687-9309 識別號： ISSN: 1687-9317 識別號： EISSN: 1687-9317 識別號： DOI: 10.1155/2013/632470
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