原名「台灣學術線上」
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項次 書目
1
題名:Numerical Simulation of Barotropic Tides around Taiwan    
著者:Chih-Kai HuChao-Tsung ChiuShao-Hua ChenJa-Yu KuoSen JanYu-Heng Tseng
出版地區:台灣
出版城市:台北市
學科:地球科學
關鍵字:Numerical model ; Barotropic tide ; Harmonic constant ; Database ; Taiwan
刊名:Terrestrial, Atmospheric and Oceanic Sciences
卷期:21卷1期(2010.2)
頁碼:71-84
語言:英語
摘要: 英文摘要PDF

A 1/12°, 2-D barotropic tide model was used to examine the characteristics of barotropic tides and to improve the accuracy of predicting tidal sea levels and currents in the seas around Taiwan. The form ratio suggests that tides are predominantly semidiurnal in the northern reaches of the Taiwan Strait and mixed of diurnal and semidiurnal elsewhere around Taiwan. When the dominant M2 wave enters the Strait from the north, its amplitude is magnified to~2 m in the middle, and then decreases rapidly toward the south end of the Strait. The predominance of diurnal tides along the southwest to the south coast of Taiwan is attributed to the quasi-resonance of diurnal waves in the South China Sea. The tidal range is small and tidal currents are weak off the east coast of Taiwan. Barotropic tidal energy is mostly dissipated on the shallow banks of the southwestern Strait. Results summarized from sensitivity tests on the bottom drag coefficient (CD) and horizontal eddy viscosity (AM) indicate that CD=0.0015-0.00175 and AM=150m2 s-1 lead to the best model-data fit when compared to the observed tidal sea levels at ten reference tide-gauge stations around Taiwan. The averaged root-mean-squared (RMS) differences of the simulated tidal sea level for the six principal constituents of O1, P1, K1, N2, M2, and S2 are significantly reduced to 1.3, 0.7, 2.0, 1.6, 5.1, and 3.1cm, respectively, compared to that calculated from a 0.5° resolution global tide harmonic constant database, NAO.99b (Matsumoto et al. 2000). The averaged RMS differences of barotropic tidal currents (U, V) for O1, K1, M2, and S2 are (0.92, 1.64), (1.17, 0.61), (3.88, 2.37), and (1.52, 1.20) cm s-1. A database of tidal sea levels and current harmonic constants, TWTIDE08, for Q1, O1, P1, K1, J1, OO1, 2N2, μ2, N2, ν2, M2, L2, T2, S2, and K2 is established with this study.


    

本卷期目次
Terrestrial, Atmospheric and Oceanic Sciences 21卷1期 (2010.2)
One-Dimensional Sea Ice-Ocean Model Applied to Sheba Experiment in 1997-1998 Winter/ Wen-Yih SunJiun-Dar Chern
Atmospheric Simulations Using OGCM-Assimilation SST: Influence of the Wintertime Japan Sea on Monthly Precipitation/ Masaru YamamotoNaoki Hirose
High-Resolution Numerical Model for Predicting the Transport and Dispersal of Oil Spilled in the Black Sea/ Konstantin A. KorotenkoMalcolm J. BowmanDavid E. Dietrich
On the Upper Ocean Thermal Structure in a Western North Pacific Ocean Model: Model Evaluation and Sensitivity Study/ Mien-Tze KuehChung-Hsiung SuiKon-Kee LiuFei Chai
Seasonal and Interannual Variability of the North-Western Black Sea Ecosystem/ Joanna StanevaVilly KourafalouKostas Tsiaras
Space-Time Transformation in Flux-form Semi-Lagrangian Schemes/ Peter C. ChuChen-Wu Fan
Quasi-Operational Coastal Ocean Nowcast/Forecast Systems/ Christopher N. K. Mooers
Evaluation of Operational Wave Forecasts for the Northeastern Coast of Taiwan/ Beng-Chun LeeHwa ChienHao-Yuan ChengMing-Da Chiou
A Real Time Ocean Forecast System for the North Atlantic Ocean/ Avichal MehraIlya Rivin
Preface to the Special Issue of Numerical Ocean Modeling and Prediction/ Yu-Heng TsengChristopher N. K. MooersMalcolm J. Bowman
A Nested-Grid Ocean Circulation Model for Simulating Three-Dimensional Circulation and Hydrography over Canadian Atlantic Coastal Waters/ Jin-Yu ShengBo Yang
On the Simulation of Shallow Water Tides in the Vicinity of the Taiwan Banks/ Ming-Da ChiouHwa ChienLuca R. CenturioniChia-Chuen Kao
Numerical Simulation of Barotropic Tides around Taiwan/ Chih-Kai HuChao-Tsung ChiuShao-Hua ChenJa-Yu KuoSen JanYu-Heng Tseng
Modeled Oceanic Response and Sea Surface Cooling to Typhoon Kai-Tak/ Yu-Heng TsengSen JanDavid E. DietrichI-I LinYa-Ting ChangTswen-Yung Tang
Predicting Typhoon Induced Storm Surges Using the Operational Ocean Forecast System/ Sung-Hyup You
 
   
 
   

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