曹赛超,高志一,赵栋梁

• 1:中国海洋大学海洋与大气学院物理海洋教育部重点实验室
• 2:自然资源部国家海洋环境预报中心

摘要(Abstract)：

利用东海的浮标观测数据，比较了WAVEWATCHⅢ第三代海浪数值模式的ST2、ST4和ST6三种源函数方案在东海的适用性。结果表明，三种源函数方案在波高小于3 m中低风速情形下，模拟波高与观测波高符合的很好，而在波高大于3 m的高风速情形下，模拟波高偏大。在此基础上，提出了以波龄和波陡为参数的海面粗糙度参数化公式，以此来计算拖曳系数。该方案可以自动满足拖曳系数在临界风速达到饱和的观测事实，将上述拖曳系数计算方案应用于最新的ST6源函数方案，在保持中低风速时的模拟精度的同时，可有效地改善高风速时模拟波高偏大问题，而且可使模拟周期与浮标观测结果更为一致。

关键词(KeyWords)： 海浪数值模式;源函数方案;拖曳系数;波龄;波陡

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41876010)资助~~

作者(Author): 曹赛超,高志一,赵栋梁

DOI: 10.16441/j.cnki.hdxb.20220118

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