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波群内单个波的波陡分布与波破碎

高志一 文凡 李洁

海洋科学2011,Vol.35Issue(9):96-106,11.
海洋科学2011,Vol.35Issue(9):96-106,11.

波群内单个波的波陡分布与波破碎

The steepness distributions and break of individual waves in wave groups

高志一 1文凡 2李洁1

作者信息

  • 1. 国家海洋环境预报中心海洋灾害预警报技术重点实验室,北京100081
  • 2. 中国海洋大学物理海洋实验室,山东青岛266003
  • 折叠

摘要

Abstract

In this paper, the steepness distributions and breaking of individual waves in wave groups have been studied. The maximum amplitude of individual waves occurs in the front of a wave group rather than in the middle. Such asymmetry of a wave group structure makes it more probable that larger steepness occurs on the individual waves in the front of the wave group than those in the rear. In other words, the average steepness of the individual waves at the beginning of a wave group is larger, resulting in higher probability that the individual waves in the front of the wave group break according to the statistics of wave breaking (the breaking probability of the individual waves in the front of a wave group is about four times of that in the rear of the wave group). Since wave breaking plays very important role in wind wave growth, these results are important for further study of wind wave.

关键词

波群/波陡/波破碎

Key words

wave group/wave steepness/wave breaking

分类

海洋科学

引用本文复制引用

高志一,文凡,李洁..波群内单个波的波陡分布与波破碎[J].海洋科学,2011,35(9):96-106,11.

基金项目

基金项目:教育部新世纪人才支持计划 ()

国家自然科学基金 ()

海洋科学

OA北大核心CSCDCSTPCD

1000-3096

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