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We investigated the effects of fluctuations in river water level on virus transport during riverbank filtration, considering 3-D transient groundwater flow and virus transport.
Random distributions of physical and geochemical heterogeneity have also notable influence on the virus transport behavior.
A two-dimensional model for virus transport in physically and geochemically heterogeneous subsurface porous media is presented.
While the solution inactivation rate was found to significantly influence the virus transport behavior, surface inactivation under realistic field conditions has probably a negligible influence on the overall virus transport.
This behavior suggests that simpler models that account for virus adsorption through a retardation factor may yield a misleading assessment of virus transport in "hydrogeologically sensitive" subsurface environments.
The upstream weighted multiple cell balance method was employed to numerically solve the governing equations of groundwater flow and virus transport.
Additional research is therefore warranted to study the potential influence of blocking on virus transport and potential implications for MAR guidelines.
Colloid transport is assumed to be decoupled from virus transport; that is, we assume that colloids are not affected by the presence of attached viruses on their surface.
Using one- and two-dimensional homogeneous simulations, this paper addresses challenges associated with sensitivity analysis and parameter estimation for virus transport simulated using sorptive reactive processes.
The presence of bivalent cations (Ca2+ and Mg2+) increased virus transport because the cations partially screened the negative charges on the viruses therefore decreased the electrostatic attraction between the positively charged sand surface and the negatively charged viruses.
Virus transport was enhanced in the presence of phosphate (HPO42−) as compared to bicarbonate (HCO3−), and the effect of HPO42− was more significant on MS-2 than on φX174.
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