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Position: Home > Articles > The Research of Nearshore Wave Simulation Based on SWAN Model and the Combined Refraction-Diffraction Wave Model Transactions of Oceanology and Limnology 2017 (4) 33-44

基于SWAN模式和折绕射模式的近岸海浪数值模拟

作  者:
李煊;李庆杰;周良明;王智峰
单  位:
中国海洋大学海洋与大气学院;国家海洋局烟台海洋环境监测中心站;中国海洋大学工程学院
关键词:
SWAN;折绕射模型;平潭岛;缓坡方程
摘  要:
基于SWAN模式和折绕射模式,本文对台湾海峡和平潭岛附近海域的海浪要素进行数值模拟。首先通过SWAN模式得到实时预报的高时空分辨率的波高、周期和波向等海浪要素数据,为折绕射模型提供波浪边界,进而对重点海区近岸波浪进行折绕射计算,最后对数值预报结果进行统计检验及预报分析。经过验证,预报结果与实测数据基本一致,预报效果较好。研究成果可为平潭海浪预警报业务提供技术支撑,也可为海浪灾害应急管理及沿海规划等提供参考依据。
译  名:
The Research of Nearshore Wave Simulation Based on SWAN Model and the Combined Refraction-Diffraction Wave Model
作  者:
LI Xuan;LI Qingjie;ZHOU Liangming;WANG Zhifeng;College of Oceanic and Atmospheric Sciences,Ocean University of China;YanTai Marine Environmental Monitoring Center,SOA;College of Engineering,Ocean University of China;
关键词:
SWAN;;the combined refraction-diffraction wave model;;pingtan island;;mild slope equation
摘  要:
Based on the SWAN model and the combined refraction-diffraction wave model,this paper simulated wave parameters in the Taiwan Strait,the Pingtan island and the adjacent waters.By running SWAN mode,the real-time forecasting wave height,wave period,wave direction and other wave parameters can be obtained with high spatial and temporal resolution.By utilizing those wave parameters,boundary conditions can be obtained to compute wave diffraction in key areas.The statistical test and forecast analysis were performed based on the results of numerical forecast.The verification results indicate that the forecasting results of the model are basically in agreement with the data from the observation stations.This model can provide technical support to ocean wave forecasting and warning of Pingtan island and can be used as a reference for wave emergency management and coastal planning.

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