| Sensitivity study of coastal plumes |
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| 作者姓名： | Wang Ji Mo Ruxi Gao Zhenhui Yin Zhongbin Chen Mingjian |
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| 作者单位： | Wang Jia;Mo Ruxi;Gao Zhenhui; Yin Zhongbin and Chen Mingjian 1. International Arctic Research Center-Frontier，University of Alaska Fairbanks，Fairbanki，Alaska 99775，USA. Email: jwang @ chukchi. iare. uaf. edu 2. Guangxi Marine Monitoring Forecast Cen |
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| 基金项目： | This research was supported by the UK Science and Engineering Research Council under contract GR3/7612. |
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| 摘 要： | INTRODUCTIONIn laboratory, Griffiths and Linden (1981 ) simulated the buoyancy-driven coastal currentsusing both a ring source and a point source in a rotating cylinder tank. The POint source was simifar to the river-forced plume in the coastal region. The coastal plume together with the gravitycoastal current moved along the coast, keeping the barrier on the right in the Northern Hemisphere. Stern et al. (1982) also conducted a similar experiment using a rectangular tank and carried ou…
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| 关 键 词： | Coastal plume three-dimensional model Gulf of Maine |
| 收稿时间： | 1997/12/9 0:00:00 |
| 修稿时间： | 6/8/1998 12:00:00 AM |
Sensitivity study of coastal plumes |
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| Wang Ji,Mo Ruxi,Gao Zhenhui,Yin Zhongbin,Chen Mingjian.Sensitivity study of coastal plumes[J].Acta Oceanologica Sinica,1999,18(2):147-166. |
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| Authors: | Wang Ji Mo Ruxi Gao Zhenhui Yin Zhongbin and Chen Mingjian |
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| Institution: | 1.International Arctic Research Center-Frontier, University of Alaska Fairbanks, Fairbanki, Alaska 99775, USA2.Guangxi Marine Monitoring Forecast Center, South China Sea State Oceanic Administration. Beihai 536000, China3.Marine Monitoring Division, North Sea State Oceanic Administration, Qingdao 266033, China4.Office of Marine Monitoring Technology, Hi-Tech Research and Development Program of China, Beijing 100081, China5.State Oceanic Administration, Beijing 100860, China |
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| Abstract: | A three-dimensional numerical model of the coastal plume in an ideal basin for the western Gulf of Maine of USA, based on the observations, was configured to examine the dynamical properties under the spring riverine, tidal, and wind forcing. The purpose of this paper is to reveal possible effects of different factors on the coastal plume. The control run with a sloping bottom mimicking the western Gulf of Maine reproduced a southward advection speed of 14 km/d, consistent with the observed speed of 13.3 km/d. The plume evolutions due to the two typical wind forcing, upwelling favourable (wind from north) and downwelling favourable (wind from south). were simulated to explain the observations during the spring of 1993. A systematic sensitivity study was also conducted on the following themes: model parameters. dynamic processes, and topography effect. |
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| Keywords: | Coastal plume three-dimensional model Gulf of Maine |
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