| 台风涌浪进入东海形成浪区的空间分布特征 |
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| 引用本文： | 陆恒星,高志一,魏永亮,孟凡昌,唐泽艳. 台风涌浪进入东海形成浪区的空间分布特征[J]. 海洋通报, 2021, 40(3): 292-300 |
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| 作者姓名： | 陆恒星 高志一 魏永亮 孟凡昌 唐泽艳 |
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| 作者单位： | 上海海洋大学海洋科学学院,上海201306;上海河口海洋测绘工程技术研究中心,上海201306;上海海洋大学国际海洋研究中心,上海201306;国家海洋环境预报中心,北京100081;国家海洋局东海预报中心,上海200081 |
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| 基金项目： | 海洋动力灾害观测预警系统集成与应用示范 （2018YFC1407001）；国家自然科学基金 （41976174; 41606196） |
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| 摘 要： | 西北太平洋台风外围的涌浪可穿过琉球群岛的海峡传入东海.本文采用1978-2018年的历史资料研究了有效波高2m及以上的涌浪穿过琉球群岛在东海所形成浪区的空间分布特征.结果 表明,沿适当角度的台风外围涌浪主要通过与那国海峡、宫古海峡、边户岬-与路岛水道、奄美-吐噶喇海峡传入东海,其余受到岛屿阻挡.筛选得到的40个台风案例...
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| 关 键 词： | 涌浪 琉球群岛 传播特征 入射深度 |
| 收稿时间： | 2020-10-29 |
| 修稿时间： | 2021-01-08 |
Spatial distribution characteristics of typhoon swell in the East China Sea |
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| LU Hengxing,GAO Zhiyi,WEI Yongliang,MENG Fanchang,TANG Zeyan. Spatial distribution characteristics of typhoon swell in the East China Sea[J]. Marine Science Bulletin, 2021, 40(3): 292-300 |
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| Authors: | LU Hengxing GAO Zhiyi WEI Yongliang MENG Fanchang TANG Zeyan |
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| Affiliation: | College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; Engineering Research Center on Estuarine and Oceanographic Mapping, Shanghai Municipal Ocean Bureau,Shanghai 201306, China;International Center for Marine Studies, Shanghai Ocean University, Shanghai 201306, China;;National Marine Environmental Forecasting Center,Beijing 100081, China; Forecasting Center of East China Sea, State Oceanic Administration, Shanghai 200081, China |
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| Abstract: | Swells generated by typhoons in the Northwest Pacific Ocean can pass through the straitsof Ryukyu Islands to the East China Sea. Based on the historical data from 1978 to 2018, the spatial distribution characteristics of swells with significant wave heights more than 2 m propagating into the East China Sea were studied. The results showed that the external swells along proper angles can propagate into the East China Sea through the Yonaguni Strait, Miyako Strait, Manzamo-Yorojima Waterway, and Amami-Tukara Strait, and the rest were blocked by islands. Among the 40 typhoon cases screened, the incidence frequency of Miyako Strait was highest with 33 times, followed by Manzamo-Yorojima Waterway and Amami-Tukara Strait with 17 times and Yonaguni Strait with 11 times. The maximum depths of the incident swell in the Amami-Tukara Strait, Miyako Strait, Manzamo-Yorojima Waterway and the Yonaguni Strait are about 570 km, 480 km, 380 km and 234 km respectively. The results of multiple linear regression analysis show that the radius of whole gale, the average moving speed of typhoon and incident angle have great influences on the incident depth of swell, and there is no statistical correlation between single typhoon element and the depth of incident swell. |
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| Keywords: | swell Ryukyu Islands propagation feature incident depth |
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