波场非匀质性对波向对变风向响应的影响  

The Effect of the Inhomogeneity of Wave Fields on the Response of Wave Direction to Changing Wind Direction

作　　者：李陆平[1] 

机构地区：[1]国家海洋局第一海洋研究所

出　　处：《黄渤海海洋》1996年第4期21-27,共7页Journal of Oceanography of Huanghai & Bohai Seas

摘　　要：本文基于波能平衡方程，通过考虑波的传播项，即，研究波场非匀质性对波向对变风向的响应的影响。导出的结果表明，响应的时间尺度可由３部分表示：１．匀质情形响应的贡献；２．波能分布非匀质性的影响；３．平均波向分布非匀质性的影响。在理论上，它暗示波场的非匀质性在波向响应中起着实质性的作用；在实际情况下，对匀质和平稳风场，波场的非匀质性总是使响应时间尺度减少这一事实进行了讨论。Based on the wave energy balance equation, and through considering wave propagation i.e.,the effect of inhomogeneity of wave fields on the response ofwave direction to changing direction is studied in this P8per.The results derived show that the time scale of the response can be represent6d by.three partS:1,the contribution of the response in homogeneous situations,which has been studied;2,the influence of the inhomogeneity of wave energy distributions;3,the influence of the inhomogeneity of the mean wave direction diStribution.Theoretically,it iS suggested that the inhomogeneity of wave fields play an essential role in thiS resPOnse.In practical situations, for homogeneous and stationary wind fields,the fact is discussed that the inhomogeneity of wave fields always make the response time scale decrease.

关 键 词：波场 非匀质性 波向响应 时间尺度 波浪 风向 

分 类 号：P731.22[天文地球—海洋科学]