Corey D. Wallace

Groundwater is a primary source of freshwater for communities worldwide, particularly when surface water supplies are scarce. Humans are placing increasing pressure on groundwater supplies by pumping groundwater and introducing contaminants to aquifers. One particularly widespread contaminant is nitrate, a form of nitrogen which is introduced from fertilizers but can be removed by natural microbial processes under the right conditions.

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My research focuses on the link between surface water and groundwater flow, and the associated water quality changes within aquifers. I use a combination of field observations and advanced numerical model simulations to understand the impacts of global change on groundwater quantity and quality.