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Hydrology and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 7
Hydrol. Earth Syst. Sci., 14, 1341–1351, 2010
https://doi.org/10.5194/hess-14-1341-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.
Hydrol. Earth Syst. Sci., 14, 1341–1351, 2010
https://doi.org/10.5194/hess-14-1341-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

  26 Jul 2010

26 Jul 2010

Tidal propagation in an oceanic island with sloping beaches

Y.-C. Chang1, D.-S. Jeng2,3, and H.-D. Yeh1 Y.-C. Chang et al.
  • 1Institute of Environmental Engineering, National Chiao Tung University, Hsinchu, Taiwan
  • 2Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
  • 3Division of Civil Engineering, University of Dundee, Scotland, DD1, 4HN, UK

Abstract. In this study, a new analytical solution for describing the tide-induced groundwater fluctuations in oceanic islands with finite length and different slopes of the beaches is developed. Unlike previous solutions, the present solution is not only applicable for a semi-infinite coastal aquifer, but also for an oceanic island with finite length and different sloping beaches. The solution can be used to investigate the effect of higher-order components and beach slopes on the water table fluctuations. The results demonstrate the effect of higher-order components increases with the shallow water parameter or amplitude parameter and the water table level increases as beach slopes decrease.

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