Groundwater flow and contamination studies

Groundwater moves through the subsurface along paths shaped by the geometry of rock fractures, sediment layers, and the irregular boundaries where aquifers meet rivers and streams — and understanding that movement is essential for predicting how contaminants spread and how long they persist. Because real geological materials are far from uniform, standard models that assume smooth, averaged properties often fail to capture the erratic plume behavior observed in the field, a phenomenon researchers describe as non-Fickian transport. Current work focuses on developing techniques like hydraulic tomography — which reconstructs subsurface structure from pressure measurements across multiple wells — and on coupling flow models with chemical reaction equations to track contaminants that don't simply travel passively but interact with surrounding rock and water. A central open challenge is how to reliably characterize geological heterogeneity at the scales that matter for contamination, particularly in fractured media where a few dominant pathways can carry solutes far faster than bulk averages would predict.

Works

93,593

Total citations

1,394,959

Keywords

Groundwater FlowTransport ModelingFractured Geological MediaHydraulic TomographySurface Water InteractionsNon-Fickian Transport