渤海典型温带风暴潮数值模拟及改进实验-海洋预报

渤海典型温带风暴潮数值模拟及改进实验

单位：国家海洋环境预报中心北京 100081

分类号：P731

出版年·卷·期（页码）：2011·28·第五期（1-8）

摘要：

分析了2010年渤海两次典型温带风暴潮过程及规律,发现沿岸的最大增水基本由北沿渤海西岸向南传播且各站出现最大增水时间有较稳定的滞后,利用一套基于非结构网格的高分辨率风暴潮模式(ADCirc)和NMEFC温带风暴潮模式(CES)分别对"20101212"强温带风暴潮过程进行数值模拟,对比分析其结果的优劣后提出基于测站风场数据合成的改进实验,改进后的模拟结果在增水趋势、峰值和峰值时间均有明显的改进,说明该方法在优化局部站增水方面具有一定的应用性。

Two typical extratropical storm surge in 2010 in the Bohai Sea has been analyzed.It is found that the peak of storm surge is along the west coast of the Bohai Sea from the north to the south and the occuring time for the peak storm surge at each station shows a stable time lag.Based on the unstructured grid storm surge high-resolution model (ADCirc) and the extratropical storm surge model developed by NMEFC (CES) respec-tively,the "20101212" extratropical storm surge is simulated.The results of comparative analysis of the pros and cons has analyzed.With the synthesis wind-field data based on the stations,the numerical simulation result has the obvious improvement in the storm surge trends,the peak value and the peak time,indicating that the method has a certain amount usefulness on optimizing the storm surge at local stations.

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