| Development of a High-Resolution Coastal Circulation Model for the Ocean Observatory in Lunenburg Bay |
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| 作者姓名： | WANG Liang SHENG Jinyu |
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| 作者单位： | Department of Oceanography, Dalhousie University, Halifax, Nova Scotia, B3H 4J1, Canada |
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| 基金项目： | 加拿大气候与大气科学基金，the Meteorological Service of Canada (MSC) through the NSERC/MARTEC/MSC Industrial Research Chair in 'Regional Ocean Modelling and Prediction'，NSERC，MARTEC |
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| 摘 要： | An advanced ocean observatory has been established in Lunenburg Bay of Nova Scotia, Canada as part of an interdisciplinary research project of marine environmental prediction. The development of a high-resolution coastal circulation model is one of important components of the observatory. The model horizontal resolution is 60m and the vertical resolution is about 1 m. The coastal circulation model is used to simulate the semi-diurnal tidal circulation and associated nonlinear dynamics with the M2 forcing specified at the model open boundaries. The model is also used to simulate the storm-induced circulation in the bay during Hurricane Juan in September 2003, with the model forcing to be the combination of tides and remotely generated waves specified at the model open boundaries and wind stress applied at the sea surface. The model results demonstrate strong interactions between the local wind stress, tidal forcing, and remotely generated waves during this period. Comparison of model results with the surface elevation and current observations demonstrates that the coastal circulation model has reasonable skills in simulating the tidal and storm-induced circulation in the bay.
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| 关 键 词： | 海洋气象 飓风 海洋动力学 天气预报 |
| 文章编号： | 1672-5182（2005）04-349-08 |
| 收稿时间： | 2005-07-15 |
| 修稿时间： | 2005-09-06 |
Development of a high-resolution coastal circulation model for the ocean observatory in lunenburg bay |
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| WANG Liang SHENG Jinyu.Development of a High-Resolution Coastal Circulation Model for the Ocean Observatory in Lunenburg Bay[J].Journal of Ocean University of China,2005,4(4):349-356. |
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| Authors: | Wang Liang Sheng Jinyu |
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| Institution: | Department of Oceanography, Dalhousie University, Halifax, Nova Scotia, B3H 4J1, Canada |
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| Abstract: | An advanced ocean observatory has been established in Lunenburg Bay of Nova Scotia, Canada as part of an interdisciplinary research project of marine environmental prediction. The development of a high-resolution coastal circulation model is one of important components of the observatory. The model horizontal resolution is 60 m and the vertical resolution is about 1 m. The coastal circulation model is used to simulate the semi-diurnal tidal circulation and associated nonlinear dynamics with the M2 forcing specified at the model open boundaries. The model is also used to simulate the storm-induced circulation in the bay during Hurricane Juan in September 2003, with the model forcing to be the combination of tides and remotely generated waves specified at the model open boundaries and wind stress applied at the sea surface. The model results demonstrate strong interactions between the local wind stress, tidal forcing, and remotely generated waves during this period. Comparison of model results with the surface elevation and current observations demonstrates that the coastal circulation model has reasonable skills in simulating the tidal and storm-induced circulation in the bay. |
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| Keywords: | ocean observatory coastal circulation model Hurricane Juan storm-induced currents tidal current |
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