摘要
在台风数值预报中需要重点考虑的问题是初值条件,特别是人造台风的构造(typhoon bogusing)在当中起着重要作用。一个新的人造台风构造方案被提出,该方案在初值中引入了较真实的台风结构,尝试利用卫星探测TBB资料来改进人造台风中对流加热的分布,确定与卫星TBB协调一致的人造台风径向环流场,这能改善风-压平衡,使得模式对强加入的人造台风更协调。
A significant problem in tropical cyclone (TC) numerical prediction has been how to obtain accurate initial condition, especially the TC bogusing, which plays an important role. A new scheme of TC bogusing is proposed. It introduces more realistic TC structures into the initial condition, makes use of the satellite-observed black-body temperature (TBB) to acquire the distribution of convection heat, defines a radial circumfluence field consistent with the TBB, and improves mass-wind balance as well as model acceptance of the imposed TC structures.
出处
《热带气象学报》
CSCD
北大核心
2003年第B09期37-44,共8页
Journal of Tropical Meteorology
基金
广东省重点科技攻关项目"卫星资料在海洋气象监测和预报上的综合应用"(99M05002G)
科技部2000年
社会公益研究专项"登陆的南海热带气旋灾害预警技术研究"
广东省科技攻关项目"珠江三角洲热带气旋
暴雨预警信号发布关键技术研究"资助
关键词
人造台风
径向环流
卫星探测TBB
typhoon bogusing
radial circumfluence
satellite-observed TBB
