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Ruben Kretzschmar is a Full Professor in Soil Chemistry at the Department of Environmental Systems Science at ETH Zurich. He earned his Ph.D. degree in 1994 from the Department of Soil Science at North Carolina State University, specializing in soil chemistry and mineralogy. He was elected as an Associate Professor at ETH Zurich in 1999 and became a Full Professor in 2002. His research group primarily focuses on the biogeochemical behavior and cycling of major trace elements in soils and sediments. Currently, the group investigates the biogeochemistry of metals and metalloids in periodically anoxic soils, contaminated river floodplains, irrigated rice paddies, and coastal wetlands. Kretzschmar has authored or co-authored over 200 research articles in peer-reviewed scientific journals, review articles, and book chapters, contributing to leading German textbooks in Soil Science.
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