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利用TOPEX卫星高度计资料分析台湾岛周边海域巨浪和大风特征
引用本文:谢辛,李燕初,许德伟,郑凌虹,林明森.利用TOPEX卫星高度计资料分析台湾岛周边海域巨浪和大风特征[J].海洋学报,2009,31(5):1-9.
作者姓名:谢辛  李燕初  许德伟  郑凌虹  林明森
作者单位:1.国家海洋局第三海洋研究所, 福建厦门 361005
基金项目:国家"八六三"课题资助,国防科工委预先研究项目-"HY-2"卫星应用预先研究 
摘    要:卫星高度计实现了对全球性或区域性的海洋参量的实时监测,TOPEX卫星高度计提供了迄今为止时间序列最长、数据质量最高的全球海面风速和有效波高的同步观测资料。利用TOPEX卫星高度计资料,分析了有效波高4m以上的巨浪在台湾岛周边海域的时空分布特征,结果表明台湾岛周边海域巨浪的分布具有明显的季节特征。每年平均有效波高最大值大多数出现在夏季,春季是1a中有效波高最小的季节,而秋季和冬季是巨浪出现频率最高的季节。波高大于6m的巨浪大都出现在台湾岛东部及东北部海域,在南部海域出现较少。

关 键 词:台湾岛周边海域    有效波高    巨浪    时空分布特征
收稿时间:4/4/2009 12:00:00 AM
修稿时间:9/4/2009 12:00:00 AM

The analysis of the characterstics of wind and wave fields over the surrounding waters of Taiwan Island using TOPEX satellite altimeter data
XIE Xin,LI Yan-chu,XU De-wei,ZHENG Ling-hong and LIN Ming-sen.The analysis of the characterstics of wind and wave fields over the surrounding waters of Taiwan Island using TOPEX satellite altimeter data[J].Acta Oceanologica Sinica (in Chinese),2009,31(5):1-9.
Authors:XIE Xin  LI Yan-chu  XU De-wei  ZHENG Ling-hong and LIN Ming-sen
Affiliation:1.Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China2.Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China;National Satellite Ocean Application Center, State Oceanic Administration, Beijing 100081, China
Abstract:The satellite altimeter provides an efficient way for realt-ime monitoring global and regionalocea-nographic parameters.The TOPEX satellite altimeter has provided the synchronously observed data of the global sea surface wind speed and significant wave height (SWH),so far,these data have the longest time series and the best data quality.The data of the SWH and the wind speed over the surrounding waters of Taiwan Island are compared with the data from the TOPEX satellite altimeter,and the validity is analyzed from the TOPEX satellite altimeter data.Meanwhile,the characteristics of the SWH which is greater than or equal to 4 m over the surrounding waters of Taiwan Island is analyzed.It is shown that the large waves commonly appear in winter and autumn every year,and the maximum of the mean SWH often appears in summer,but it is opposite in spring.When the SWH is greater than or equal to 6 m,it appears in the surrounding waters of the east or northeast of Taiwan Island,and it less appears in the surrounding waters of the south of Taiwan Island.
Keywords:surrounding waters of Taiwan Island  significant wave height  very rough sea  charecterestics of time space distribution
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