臺風“海鷗”期間南海北部波浪和SST變化特征分析
發(fā)布時間:2018-02-22 12:17
本文關鍵詞: 臺風“海鷗” SWAN Jelesnianski-II模型 ECMWF 海浪 海表面溫度 出處:《海洋湖沼通報》2017年04期 論文類型:期刊論文
【摘要】:采用SWAN波浪模式對201415號臺風‘海鷗’期間的海浪進行數(shù)值模擬,通過與實測數(shù)據(jù)對比,模擬結果較好。臺風風場由圓形對稱Jelesnianski-II模型構造,風場結構能夠很好的體現(xiàn)出臺風過境期間的變化情況。根據(jù)臺風期間的實測溫度數(shù)據(jù)以及ECMWF海表面溫度數(shù)據(jù)的變化研究海表面溫度對臺風的響應。研究發(fā)現(xiàn),臺風"海鷗"在近海復雜的海洋和地形條件下,臺風路徑降溫范圍成不對稱分布,最大降溫中心出現(xiàn)在路徑右側,降溫幅度將近1.5℃。
[Abstract]:The SWAN wave model is used to simulate the waves during typhoon 'Seagull' 201415. By comparing with the measured data, the simulation results are good. The wind field of typhoon is constructed by circular symmetric Jelesnianski-II model. According to the measured temperature data during typhoon and the variation of ECMWF sea surface temperature data, the response of sea surface temperature to typhoon is studied. Under the complex sea and terrain conditions, the temperature drop range of typhoon track is asymmetrical, the maximum cooling center appears on the right side of the track, and the temperature drop range is nearly 1.5 鈩,
本文編號:1524388
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