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http://dx.doi.org/10.5394/KINPR.2004.28.6.565

Numerical Simulation in relation with Coastal Current and Stratification of Water at the Semi-enclosed Estuary  

Lee, Woo-Chul (한국해양대학교 대학원)
Lee, Joong-Woo (한국해양대학교 토목환경시스템공학)
Park, Dong-Jin (일본(주)건설기술연구소)
Publication Information
Journal of Navigation and Port Research / v.28, no.6, 2004 , pp. 565-572 More about this Journal
Abstract
Residual current plays more important role than the tidal current for long-term material transport in coastal areas. The main component of residual current is tide-induced residual current. Otherwise, wind driven current and buoyancy-driven current are important components which change the residual current. To clarify the characteristic of coastal current, application of a three -dimensional model is necessary. This study focuses on clarifying the stratified systems of coastal water affected by freshwater runoff from a river and analyzes the structure of current at Ulsan bay by applying a three-dimensional buoyancy-driven current model. According to the result of “Ulsan bay” study, it shows that the surface layer in semi-enclosed estuaries, which affected by freshwater runoff. has flows going out, and the bottom layer has flows coming in. Besides when the wind blows toward inside of the bay, the surface layer has flows coming in and the bottom layer has flows going out as compensation flows for the surface circulation. The results of simulation could be applicable to examine vertical upwelling, which might be caused by construction of artificial fishing reef to build aqua farm, submerged breakwater to control coastal sediment, and the formulation of oceanic ridge, or a basic study on application to the usage of deep water.
Keywords
Semi-enclosed estuaries; Tide-induced residual current; Wind-driven current; Buoyancy-driven current; 3-dimensional current model; Stratified systems;
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  • Reference
1 Ueda, H., Mitsumoto, A., and Komori, S. (1981), Bouyancy effects on the turbulent transport Process in the lower atmosphere', Quart. J. R. Met. Soc., Vol. 107, pp.561-57   DOI
2 Van Rees, A. J.(1975), 'Experimental results on exchange coefficients for non-homogeneous flows, Proc. XVI Congr. IHAR, Brazil Vol. 3, No. 109
3 朴童津(2003), 閉銷件層海域の流助特性および海水交換技術に關する硏究 , 九州大學博士學位論文
4 柳哲雄, 沿岸海洋學(海の中でものはどう動くか), 恒星社厚玍閣, 1994. 3
5 高津诒 (1991), 閉鍞性水域における密度成層のモデル化, 大阪大學修士學位論文
6 中村由行(1998), 内洿の熱收攴と貪酸素水槐の形成について, 長岡技術學大學硏究報吿, 第11号, pp. 69-81
7 Backhaus, J. O.(1985), 'A three-dimensional model for the simulation of shelf sea dynamics' Dtsch. Hydrogr.Z., Vol. 38, pp.165-187   DOI
8 Brebbia, C. A. and Partridge, P. M. (1976), 'Quadratic Finite Elements in Shallow Water Problems', J. of Hydraulic Div., ASCE, Vol. 102, No. 9
9 Smagorinsky, J., Manabe, S., and Holloway, J. L.(1965), "Numerical results from a nine level general circulation model for the atmosphere", Mon. Weather, Vol. 93. pp.727-768   DOI
10 김상훈(2001), 성층해역에서의 유동구조에 관한 3차원 수치모형실험, 석사학위논문, 부산대학교
11 강태순(1993), 3차원 해수유동모델을 이용한 남해동부유역 해수유동 특성연구, 석사학위논문, 부경대학교