摘要:
一、引言 二十多年来,人们想弄清楚成熟台风的眼区结构,已作了很大的努力。Bergeron(1954)利用一系列通过菲律宾群岛的台风资料,研究给出了台风内区的风和降水最大值的位置,以及眼壁有明显的向外倾斜的特点。Riehl、Malkus(1961)和Gray、Shea(1973等人利用机载探测仪器得到的资料,研究飓风眼的结构。Gray等人根据1957—1969年21个飓风的533次飞机穿行飓风的观测资料,进行综合分析,揭示飓风内区的结构特征和变化。七十年代后期以来,飞机探测技术迅速发展,使以研究为目的的飞行计划
Abstract:
Since 1950’s instrumented aircraft has been used to investigate hurricanes, resulting in many studies of the inner core (eyewall) region. Most of the studies dealt with the structure and dynamics of the eyewall. Recent advances in aircraft instrumentation technology have allowed to study the cloud and mesoscale structure of the mature hurricane in detail. Especially, the evolution of concentric double–eye typhoons has been greatly analyzed and discussed. Numerical simulation on the hurricane eyewall has also made encouraging progress.The paper is to introduce and compare some main observation and research results above mentioned. Meanwhile, the features of hurricane inner core are physically discussed
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