海洋科学进展
海洋科學進展
해양과학진전
JOURNAL OF OCEANOGRAPHY OF HUANGHAI & BOHAI SEAS
2010年
1期
8-16
,共9页
李鑫%章卫胜%张金善%孔俊
李鑫%章衛勝%張金善%孔俊
리흠%장위성%장금선%공준
渤海%寒潮风暴潮%增、减水过程%数值模拟
渤海%寒潮風暴潮%增、減水過程%數值模擬
발해%한조풍폭조%증、감수과정%수치모의
the Bohai Sea%storm surge effected by the cold air%water level fluctuations%numerical modeling
建立了渤海及邻近海域天文潮与风暴潮的耦合模型.在验证的基础上,以2003年10月寒潮为例,分析了寒潮作用下渤海沿岸的增、减水及潮流场的时空分布变化特征.结果表明,寒潮作用下渤海湾沿岸增水幅度较大,水位振荡明显;潮流运动发生较大改变,局部海域的往复流转化为单向流,可能会影响渤海湾沿岸泥沙的运动.
建立瞭渤海及鄰近海域天文潮與風暴潮的耦閤模型.在驗證的基礎上,以2003年10月寒潮為例,分析瞭寒潮作用下渤海沿岸的增、減水及潮流場的時空分佈變化特徵.結果錶明,寒潮作用下渤海灣沿岸增水幅度較大,水位振盪明顯;潮流運動髮生較大改變,跼部海域的往複流轉化為單嚮流,可能會影響渤海灣沿岸泥沙的運動.
건립료발해급린근해역천문조여풍폭조적우합모형.재험증적기출상,이2003년10월한조위례,분석료한조작용하발해연안적증、감수급조류장적시공분포변화특정.결과표명,한조작용하발해만연안증수폭도교대,수위진탕명현;조류운동발생교대개변,국부해역적왕복류전화위단향류,가능회영향발해만연안니사적운동.
A coupled astronomic tide/storm surge model is formulated for the Bohai Sea and its adjacent area. After the model has been verified,a case study of the cold surge in October 2003 is conducted to analyse the spatial-temporal features of both the coastal water level fluctuations and the tidal current fields in the sea area effected by the cold surge. It is learnt from the analysis results that the water level increment become greater at the coast of Bohai Bay with an obvious water level fluctuations because of the cold surge effects. The tidal current becomes changed in the cold surge and turns to be the unidirectional at some places where the tidal current is usually rectilinear. This changes might give effects on sand movement in the coastal waters of the Bohai Bay.