Groundwater behaviour in tidal beaches

R. E. Volker, B. Ataie-Ashtiani, D. A. Lockington

Research output: Contribution to conferencePaperpeer-review

2 Citations (Scopus)

Abstract

Short-term water level fluctuations at the coast may have significant implications for groundwater management applications and waste disposal at the coast-line. We present numerical solutions to this problem including the effects of a realistic mild beach slope and a seepage-face and taking into account the unsaturated zone. In this first stage of the investigation however, the higher density of sea water is not included. The consequences of tidal fluctuation of sea water on the flow pattern in a hypothetical aquifer are presented. Although the system has not reached the final equilibrium or cyclic steady-state, results illustrate that the tidal fluctuation has a significant effect on the water table and velocity fields which will govern contaminant movement in the immediate vicinity of the shore-line. Also it is shown that for this case the seepage face is quite important and neglecting it causes errors in the position of the water table inside the aquifer.

Original languageEnglish
Pages511-516
Number of pages6
Publication statusPublished - 1 Jan 1997
Externally publishedYes
EventProceedings of the 1997 27th Congress of the International Association of Hydraulic Research, IAHR. Part C - San Francisco, CA, USA
Duration: 10 Aug 199715 Aug 1997

Conference

ConferenceProceedings of the 1997 27th Congress of the International Association of Hydraulic Research, IAHR. Part C
CitySan Francisco, CA, USA
Period10/08/9715/08/97

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