Research to Application: Network Models to Simulate Flow and Transport in Heterogeneous Media

by John F. Peters,
Stacy E. Howington,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


Effective groundwater cleanup requires accurate site-specific information on cleanup processes. Numerical simulations limit the need for expensive field experiments and provide details not obtainable from field observations. However, even when given detailed subsurface descriptions, traditional continuum-based models give an inaccurate representation of coupled flow, transport, chemistry, and biology in media having heterogeneity at multiple scales. Simple discrete networks are shown to inherently capture flow and transport processes in multi-scale media and thus remove a key uncertainty in groundwater simulations.

Subject Headings: Transport phenomena | Heterogeneity | Groundwater pollution | Flow simulation | Waste sites | Transportation networks | Numerical models

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