江蘇沿海臺(tái)風(fēng)浪數(shù)值模擬
[Abstract]:The CCMP reanalysis wind field and the Holland empirical typhoon wind field are constructed as the driving wind field of the waves, and the SWAN self-nested model is established to simulate the typhoon wave process caused by typical typhoon "Meihua" in the coastal area of Jiangsu Province. On the basis of the wind field superposition mode, three revised coefficient schemes and three weight coefficient schemes are designed, and nine wind field construction schemes are designed. The typhoon wave simulation in the East China Sea and the data of effective wave height observed by Jason-1 satellite altimeter are compared and analyzed respectively. The experimental results show that the maximum relative error of the effective wave height of each scheme can be 3. The simulation results of the optimal scheme provide spectral boundary conditions for the nested regions. The simulation results of the nested regions show that the simulated values are in good agreement with the measured data of the buoys. In the coastal area of Jiangsu Province, the maximum wave height in the coastal waters of Jiangsu Province can reach 5 ~ 6 m, the waves in the central and northern sea areas are mainly surges, while in the southern waters, the waves are mainly wind waves.
【作者單位】: 蘇交科集團(tuán)股份有限公司;河海大學(xué)海岸災(zāi)害及防護(hù)教育部重點(diǎn)實(shí)驗(yàn)室;
【基金】:國(guó)家海洋局海洋公益性行業(yè)科研專(zhuān)項(xiàng)項(xiàng)目(201205005) 國(guó)家自然科學(xué)基金項(xiàng)目(41276017)
【分類(lèi)號(hào)】:P731.2;P732.3
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