Study On the Hydraulic Characteristics of Taichung Harbour in Taiwan |
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Authors: | Z. M. Tseng H. T. Chou J. T. Juang |
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Affiliation: | a Institute of Harbour and Marine Technology, Taichung, Taiwanb Department of Civil Engineering, National Central University, Chung-Li, Taiwan |
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Abstract: | For this study, field measurements of current profiles, buoy trajectories and the lag of two tidal stations were performed to explore the flow characteristics of Taichung Harbour. in order to distinguish the effects of wind drift current on circulation inside Taichung Harbour, field surveys during both summer and monsoon (winter) season were completed separately. the speed of the drift current was about 3.5% that of the, wind speed, based on the field data. the horizontal dispersion coefficients were close to Bowden's (1965) formula for the tidal current. the water temperature showed a two-layer profile, with the mixing thickness about 4 to 6 metres for the upper layer. the corresponding Richardson number was about 70. the tidal lag between the two tidal stations was 9.68 minutes. All the results agree well with the theoretical results. |
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Keywords: | Dispersion coefficient tidal lag drogue tracking |
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