西太平洋8708号台风海面风、浪结构及其关系的遥感研究

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本文以Geosat卫星高度计1987年8月11日在西太平洋海域上的-上升轨道测得的风、浪资料为基础,统计分析了8708号台风影响下的海面风速和海浪特征。结果显示,此次台风影响下的海面风速和海浪波高的空间分布具有相对台风中心近似对称的结构特征,但在台风内区,台风移动方向的右方风速较左方风速增加较快,同时在台风外围,右方风速较左方风速衰减也较快;有效波高没有明显的内、外区结构,且左、右方波高随距离变化也呈不同的衰减率;风速与有效波高的关系在台风中心左右也呈现明显的不同;本文给出了台风的风速及波高随相对台风中心距离变化的经验关系式,以及合风风速与波高的经验关系式等。 Based on the wind and wave data from the ascending orbit of the Geosat satellite altimeter on the western Pacific Ocean on August 11, 1987, the paper analyzes the characteristics of sea surface wind speed and ocean waves under the influence of Typhoon 8708. The results show that the spatial distribution of sea surface wind speed and wave height under the influence of the typhoon has a symmetrical structural characteristic with respect to the center of the typhoon. However, in the inner typhoon, the wind speed in the rightward direction of the typhoon increases more rapidly than the left, The wind speed on the right side of the typhoon is also attenuated more rapidly than the left wind speed. The effective wave height does not have obvious inner and outer structures, and the left and right wave height also show different decay rates with distance variation. The relationship between wind speed and effective wave height is as follows: The center and the left and right also show obvious differences. This paper gives the empirical relationship between typhoon wind speed and wave height with the change of the relative typhoon center distance, as well as the empirical relationship between wind speed and wave height.
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