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Our goal is to understand soil processes controlling water quality and nutrient/contaminant cycling, inclusive of plant uptake. We examine the coupled chemical, biological, and hydrological processes controlling the cycling of elements ranging from arsenic to carbon to iron and uranium within soils and sediment. Two of our objectives are to understand the extent and pathways by which metal contaminants enter our food and water. Our third objective is to decipher controls on soil carbon cycling to improve prediction of global carbon budgets, and potential management practices to limiting greenhouse gas emissions. View our PROJECTS using the link to the right