再论台风波浪的波型及其与海岸工程设计波浪要素的关系

Further exposition on pattern of typhoon waves and its relation to design of wave parameters for coastal engineering

本文以实测台风波浪资料对台风影响过程中固定点波浪能量集中度的变化和有效波陡的变化进行分析，得出华南近岸浅水区台风波浪的波型与台风中心位置的统计关系，并进一步阐明了台风过程中固定点出现较大台风波浪的波型是风浪以及用于海岸工程设计的台风波浪亦为风浪的结论。文中还讨论了台风波浪波型对海岸工程建设中的设计波高、周期等要素取值的影响。

Based on the data of wave observations,this paper analyses the change of wave patterns and the change of the significant wave steepness on the fixed site during the typhoon period.Thus a relationship is set up between the typhoon wave patterns in the shallow water region of southe china coast and the location of typhoon center. Furthermore,a conclusion is reached that the larger waves occurring during the typhoon period at a fixed point are of the winddriven wave patterns,and also the typhoon waves used for the design of coastal engineering are of wind wave pattern. This paper also discusses the influence of typhoon wave patterns on the coastal engineering design parameters such as wave height,return period,etc.