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Relationship between wave steepness and wave age in the course of wind wave growth

作者：吴淑萍[1] 侯一筠[2] 尹宝树[1] 宋金宝[1] 赵喜喜[2]；出处：中国海洋与湖沼学报：英文版. 2004,22(4).-340-343

关键词：图解公式海浪强度持续时间参考因素增长状态

英文

文章摘要：It is traditionally assumed that the relationship between wave steepness and wave age is independent of the wind wave growth state. In fact, the traditional relationship can not describe the whole course of wind wave growth. This paper assumes that the relationship between wave steepness and wave age changes with the variety of dimensionless fetch. Based on the relationship proposed by Hou and Wen (1990), a new relationship in the course of wind wave growth is revealed. Comparisons between the present study and other previous relationships show that this new relationship explains better the observations than the other existing relationships.In the case of small fetch, wave age value increases more quickly than other models while it is in opposition to that in the case of large fetch. The result in present paper can clearly reflect the whole course of wind wave growth, it is an improvement for traditional results.

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