| NUMERICAL STUDY OF WAVE EFFECTS ON SURFACE WIND STRESS AND SURFACE MIXING LENGTH BY THREE-DIMENSIONAL CIRCULATION MODELING |
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| 作者姓名： | LIANG Bing-chen LI Hua-jun LEE Dong-yong |
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| 作者单位： | Researcher |
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| 基金项目： | 国家重点基础研究发展计划(973计划);山东省青岛市自然科学基金 |
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| 摘 要： | 1. INTRODUCTION Coastal and continental shelf regions are characterized by intensive interaction between wave and current. These regions are of great economic significance to mankind. Therefore, the modeling of wave and current as well as their mutual int…
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| 关 键 词： | 渤海 水流动力学 混合长度 风应力 |
| 收稿时间： | 2004-11-05 |
NUMERICAL STUDY OF WAVE EFFECTS ON SURFACE WIND STRESS AND SURFACE MIXING LENGTH BY THREE-DIMENSIONAL CIRCULATION MODELING |
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| LIANG Bing-chen LI Hua-jun LEE Dong-yong.NUMERICAL STUDY OF WAVE EFFECTS ON SURFACE WIND STRESS AND SURFACE MIXING LENGTH BY THREE-DIMENSIONAL CIRCULATION MODELING[J].Journal of Hydrodynamics,2006,18(4):397-404. |
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| Authors: | LIANG Bing-chen LI Hua-jun LEE Dong-yong |
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| Affiliation: | 1. GFZ — German Research Center for Geoscience, Section 5.4 Hydrology, Potsdam, Germany;2. SIWRR — Southern Institute of Water Resources Research, Ho Chi Minh City, Vietnam;3. Water & Development Research Group, Aalto University, Espoo, Finland;4. IWARP — Institute of Water Resources Planning, Hanoi, Vietnam;1. BOREA Biologie des Organismes et Ecosystèmes Aquatiques, UMR 7208 MNHN CNRS SU UA UCN IRD 207, Muséum National d''Histoire Naturelle, 75005 Paris, France;2. IMPMC, Institut de Recherche pour le Développement (IRD), UPMC, CNRS, MNHN, Noumea, New Caledonia, France;3. Faculty of Chemistry, University of Science Vietnam National University, Ho Chi Minh City, Viet Nam;4. Department of Forest Resources Management, Nong Lam University HCMC, Linh Trung, Thu Duc, Ho Chi Minh City, Viet Nam;5. Department of Geography, National University of Singapore, 1 Arts Link, Singapore 117570, Singapore |
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| Abstract: | The effects of waves on Surface Drag Coefficient (SDC) and surface mixing length were analyzed and discussed by carrying out three-dimensional current modeling for the Bohai Sea in the present work. A three- dimensional coupled hydrodynamical-ecological model for regional and shelf seas (COHERENS) incorporating the influences of wave-current interactions was coupled with the third-generation wave model swan taking into account time-varying currents. The effects of waves on currents were included in the SDC, surface mixing length and bottom drag coefficient. Firstly, the formulations in Donelan were incorporated into the COHERENS to account for wave-dependent SDC. In order to compare simulation results for the wave-dependent SDC, the simulation for wind-dependent SDC was also carried out. Second, Wave-Induced Surface Mixing Length (described as WISML sometimes in this paper) was incorporated into the COHERENS. Four numerical experiments were conducted to discuss the effects of two kinds of wave processes. Generally, the values of time series of current velocity and water surface elevation given by the simulation with all of the three wave processes have a good agreement with observed data. The existence of WISML changes obviously current vertical profiles and the existence of the wave dependent SDC modifies the current field of both top and bottom layers with the wind-dependent SDC. |
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| Keywords: | Bohai hydrodynamical COHERENS waves currents swan mixing length wind stress |
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