Effects of waves on subsurface flow and solute transport in a laboratory beach

X. L. Geng, M. C. Boufadel, F. Saleh, Chanyuan Ding

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Oceanic forcing is an essential factor affecting groundwater flow and solute fate in coastal aquifers. A numerical study was conducted to investigate the fate of solute in a laboratory beach in response to high and low frequency oceanic forcing, i.e., waves and tides, respectively. A new temporal upscaling approach labeled "net inflow" was introduced to address the impact of waves on solute transport within beaches. The approach revealed that the infiltration into the beach is directly proportional to the general hydraulic gradient in the beach. The numerical simulations using a computational fluid dynamic model were used as boundary conditions for the two-dimensional variably saturated flow and solute numerical model MARUN. The modeling approach was validated against experimental data of water level and tracer concentration at numerous locations of 6.0 m laboratory beach.

Original languageEnglish (US)
Title of host publicationWorld Environmental and Water Resources Congress 2015
Subtitle of host publicationFloods, Droughts, and Ecosystems - Proceedings of the 2015 World Environmental and Water Resources Congress
EditorsVeronica L. Webster, Karen Karvazy
PublisherAmerican Society of Civil Engineers (ASCE)
Pages520-529
Number of pages10
ISBN (Electronic)9780784479162
DOIs
StatePublished - Jan 1 2015
EventWorld Environmental and Water Resources Congress 2015: Floods, Droughts, and Ecosystems - Austin, United States
Duration: May 17 2015May 21 2015

Publication series

NameWorld Environmental and Water Resources Congress 2015: Floods, Droughts, and Ecosystems - Proceedings of the 2015 World Environmental and Water Resources Congress

Other

OtherWorld Environmental and Water Resources Congress 2015: Floods, Droughts, and Ecosystems
CountryUnited States
CityAustin
Period5/17/155/21/15

All Science Journal Classification (ASJC) codes

  • Water Science and Technology

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