西北太平洋台风累积动能的气候特征

黄丽娜; 林笑茹; 曾华; 庄淑文

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DOI:10.7519/j.issn.1000-0526.2009.9.006

气象:2009,35(9):44-50

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西北太平洋台风累积动能的气候特征

黄丽娜¹, 林笑茹², 曾华¹, 庄淑文¹

(1.福建省莆田市气象局，莆田 351100;2.福建省宁德市气象局)

Climatological Characters for Accumulative Cyclone Energy over Western North Pacific

Huang Lina¹, Lin Xiaoru², Zeng Hua¹, Zhuang Shuwen¹

(1.Putian Meteorological Office, Fujian Province 351100;2.Ningde Meteorological Office, Fujian Province)

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投稿时间：2008-11-02 修订日期：2009-04-23

中文摘要: 利用1945—2008年JTWC提供的台风资料，计算了西北太平洋地区台风累积动能，分析了台风累积动能的时间分布特征，统计累积动能与尼诺3.4区海温的关系。结果表明：每年台风累积动能主要集中在6—12月；累积动能有明显的阶段性；1990年以后极端台风事件发生频数有增加的趋势；6—12月台风累积动能与尼诺3.4区的海温距平呈正相关；台风累积动能与海温的关系通过沃克环流和局地哈得来环流起作用。

中文关键词: 累积动能极端台风事件越赤道气流沃克环流

Abstract:Based on the 1945-2008 typhoon data from JTWC, the accumulative cyclone energy ( ACE) over the western North Pacific is calculated. The characters and the relati onship between ACE and SST in NINO3.4 are analyzed. The following results are ob tained. ACE is mostly concentrated in June-December. The activity of ACE occurs at regular intervals. After 1990, the frequency of extreme strong typhoon had a n increasing tendency obviously. The relationship of ACE in June-December and a nomalous SST in NINO3.4 is notable. Abnormal Walker circulation and Hadley cell play an important role in the relationship between ACE and SST.

keywords: accumulative cyclone energy extreme strong typhoon case cross equatorial flow　Walker circulation

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作者	单位
黄丽娜	福建省莆田市气象局，莆田 351100
林笑茹	福建省宁德市气象局
曾华	福建省莆田市气象局，莆田 351100
庄淑文	福建省莆田市气象局，莆田 351100

Author Name	Affiliation
Huang Lina	Putian Meteorological Office, Fujian Province 351100
Lin Xiaoru	Ningde Meteorological Office, Fujian Province
Zeng Hua	Putian Meteorological Office, Fujian Province 351100
Zhuang Shuwen	Putian Meteorological Office, Fujian Province 351100

引用文本：
黄丽娜,林笑茹,曾华,庄淑文,2009.西北太平洋台风累积动能的气候特征[J].气象,35(9):44-50.
Huang Lina,Lin Xiaoru,Zeng Hua,Zhuang Shuwen,2009.Climatological Characters for Accumulative Cyclone Energy over Western North Pacific[J].Meteor Mon,35(9):44-50.