Wave-induced beach groundwater flow

Li, L. and Barry, D.A. (2000) Wave-induced beach groundwater flow. Advances In Water Resources, 23 4: 325-337. doi:10.1016/S0309-1708(99)00032-9


Author Li, L.
Barry, D.A.
Title Wave-induced beach groundwater flow
Journal name Advances In Water Resources   Check publisher's open access policy
ISSN 0309-1708
1872-9657
Publication date 2000-01
Sub-type Article (original research)
DOI 10.1016/S0309-1708(99)00032-9
Volume 23
Issue 4
Start page 325
End page 337
Total pages 13
Place of publication Oxford, United Kingdom
Publisher Pergamon
Language eng
Abstract Wave-induced beach groundwater flow has been linked to sediment transport in the near-shore zone and chemical transfer from the aquifer to the ocean. The flow dynamics, however, are not well-understood. This paper presents a numerical study of the instantaneous (i.e., phase-resolved) wave motion and resulting groundwater responses in the beach zone. Simulations conducted for a representative beach reveal various important features of the flow. In particular, periodic local groundwater circulation occurs below progressive bores while the averaged flow behaviour is characterised by continuous circulation (due to wave set-up) extending from the upper part of the beach to the lower part. These results are analysed and compared with previous analytical solutions derived for simplified situations. The findings will assist future studies to quantify the effects of beach groundwater flow on other coastal processes.
Keyword Beach groundwater flow
Ocean-aquifer interaction
Near-shore wave dynamics
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Civil Engineering Publications
 
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Created: Wed, 02 Feb 2011, 15:16:10 EST