Analytical research on the tidally-induced groundwater wave propagation mechanism in coastal aquifers

Kong, Jun, Shen, Chengji and Ye, Ronghui (2013). Analytical research on the tidally-induced groundwater wave propagation mechanism in coastal aquifers. In: D.C. Conley, G. Masselink, P.E. Russell and T.J. O’Hare, Special Issue: Proceedings 12th: International Coastal Symposium. 12th International Coastal Symposium, Plymouth, England, (1945-1950). 8 - 12 April 2013. doi:10.2112/SI65-329

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Author Kong, Jun
Shen, Chengji
Ye, Ronghui
Title of paper Analytical research on the tidally-induced groundwater wave propagation mechanism in coastal aquifers
Conference name 12th International Coastal Symposium
Conference location Plymouth, England
Conference dates 8 - 12 April 2013
Proceedings title Special Issue: Proceedings 12th: International Coastal Symposium   Check publisher's open access policy
Journal name Journal of Coastal Research   Check publisher's open access policy
Place of Publication Coconut Creek, FL United States
Publisher Coastal Education & Research Foundation, Inc.
Publication Year 2013
Year available 2013
Sub-type Fully published paper
DOI 10.2112/SI65-329
Open Access Status
ISSN 0749-0208
1551-5036
Editor D.C. Conley
G. Masselink
P.E. Russell
T.J. O’Hare
Issue 65
Start page 1945
End page 1950
Total pages 6
Collection year 2014
Language eng
Abstract/Summary With increasingly more attention paid to coastal environment, research on the interaction between subsurface and surface water has become a hot subject. Being different from surface water, tidally-induced groundwater moves slower with special over-height far away from the coastal line, which is higher than the mean sea level. Such a special hydrodynamic characteristic hints the special propagation mechanism is different from traditional surface wave. In order to reveal the tidally-induced groundwater wave propagation mechanism and analyze the influence of latent coastal beach profile variation because of mean sea level rise, theoretical research is focused on a newly derived high-order analytical solution corresponding to non-linear Boussinesq equation applied on sloping beach. Research indicates that: Firstly, the tidal induced groundwater wave energy mainly concentrates on the former three order constituent waves. The variation of beach profile because of sea level rise will not change the proportion relationship among the constituent waves; Secondly, the over-height's increase is influenced by the conductivity decrease, porosity enlargement or tidal amplitude widening; Thirdly, mild beach slope and large conductivity are favorable for wave propagating with longer wavelength. In the end, the rise of mean sea level increases the aquifer thickness and then leads to the faster propagation speed of groundwater wave, lower over-height and makes the interaction between surface and subsurface water more intensively reflected in farther tidal wave signal landwards.
Subjects 2312 Water Science and Technology
1904 Performing Arts and Creative Writing
2303 Ecology
Keyword Analytical solution
Over height
Sea level rise
Sloping beach
Wave energy
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Author Post-Print Permissible. DOI not working reported it.

Document type: Conference Paper
Collections: School of Civil Engineering Publications
Official 2014 Collection
 
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Created: Thu, 28 Nov 2013, 19:37:23 EST by System User on behalf of School of Civil Engineering