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Estimation of Turbulent Kinetic Energy Dissipation Rate in the Bottom Boundary Layer of the Pearl River Estuary
Abstract：A structure function approach is applied to estimate the turbulent kinetic energy (TKE) dissipation rate in the bottom boundary layer of the Pearl River Estuary (PRE).Simultaneous measurements with an acoustic Doppler velocimeter (ADV) supplied independent data for the verification of the structure function method.The results show that,1) the structure function approach is reliable and successfully applied method to estimate the TKE dissipation rate.The observed dissipation rates range between 8.3× 10-4 W/kg and 4.9×l0 6 W/kg in YM01 and between 3.4×10 4 W/kg and 4.8× 10-7 W/kg in YM03,respectively,while exhibiting a strong quarter-diurnal variation.2) The balance between the shear production and viscous dissipation is better achieved in the straight river.This first-order balance is significantly broken in the estuary by non-shear production/dissipation due to wave-induced fluctuations. 作者： Author： LIU Huan[1] WU Chao-yu[2] REN Jie[3] 作者单位： Research Center of Coastal Ocean Science and Technology, Sun Yat-sen University, GuangZhou 510275, China;School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 5102 75, ChinaResearch Center of Coastal Ocean Science and Technology, Sun Yat-sen University, GuangZhou 510275, ChinaResearch Center of Coastal Ocean Science and Technology, Sun Yat-sen University, GuangZhou 510275, China;School of Marine Science, Sun Yat-sen University, GuangZhou 510275, China 期 刊： 中国海洋工程（英文版） ISTICEISCI Journal： China Ocean Engineering 年，卷(期)： 2011, 25(4) 分类号： P731.21 Keywords： structure function turbulent kinetic energy dissipation rate bottom boundary layer Pearl River Estuary 机标分类号： P7 P3 机标关键词： Pearl River Estuary Boundary Layer structure turbulent kinetic energy function viscous dissipation approach boundary layer straight results better data ADV 基金项目： the National Natural Science Foundation of China，the China Postdoctoral Science Foundation，the Fundamental Research Funds for the Central Universities Estimation of Turbulent Kinetic Energy Dissipation Rate in the Bottom Boundary Layer of the Pearl River Estuary[期刊论文] 中国海洋工程（英文版） --2011, 25(4)A structure function approach is applied to estimate the turbulent kinetic energy (TKE) dissipation rate in the bottom boundary layer of the Pearl River Estuary (PRE).Simultaneous measurements with an ...【Estimation of Turbulent Kinetic Ener】相关文章：
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