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Please use this identifier to cite or link to this item: http://hdl.handle.net/1860/1439

Title: Transport of solute plumes in beaches
Authors: Zhao, Qinghong
Li, Hailong
Ibrahim, Ibrahim
Boufadel, Michel
Keywords: Coastal modeling;Coastal hydrodynamics
Issue Date: 13-Sep-2006
Publisher: Michael Piasecki and College of Engineering, Drexel University
Citation: Proceedings of the Seventh International Conference on Hydroscience and Engineering, Philadelphia, PA, September 2006. http://hdl.handle.net/1860/732
Abstract: Improvements on the traditional convection-dispersion equation for simulating solute transport in aquifers were made over the years. These include the usage of scale-dependent dispersivities and fractional integration. These improvements, however, were based on situations where the flow is unidirectional. There are no theories for dealing with the transport in highly variable (in space and time) environment, such as in tidally-influenced beaches. In this work, we argue that using velocity-dependent dispersion coefficients is not suitable or at least not necessary for beach solute transport where the pore water saturation, and the flow velocity direction and magnitude vary periodically due to the sea tides. We compared the two numerical solutions of (1) constant and (2) velocity-dependent dispersion coefficients in a typical tide-influenced beach. The two-dimensional numerical code MARUN (Boufadel et al., 1999a, J. Contaminant Hydrology, 37, 1-20) was used to obtain the numerical solutions. The two numerical solutions are very close to each other.
Description: Paper presented at The Seventh International Conference on HydroScience and Engineering (ICHE) hosted by the College of Engineering at Drexel Univeristy on September 10-13, 2006 in Philadelphia, Pennsylvania. The conference theme was IT in the Field of HydroSciences. It included several mini-symposia that emphasized IT topics in HydroSciences and the yearly meeting of the metadata group of the International Oceanographic Data and Information Exchange organization.
URI: http://hdl.handle.net/1860/1439
ISBN: 0977447405
Appears in Collections:Proceedings of the 7th International Conference on HydroScience and Engineering (ICHE 2006) [ISBN: 0977447405]

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