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Van Tuyl Lecture: Jennifer Druhan, University of Illinois

April 11 @ 4:00 pm - 5:00 pm

Jennifer Druhan, University of Illinois

241 Berthoud, 4-5PM

Topic: Isotopic Reactive Transport: Unraveling Biogeochemical Processes in Groundwater Systems

Abstract: Water is a basic necessity for life, and exerts a primary control on virtually all geological, chemical and biological processes occurring at or near the Earth’s surface. Because these water-rock-life interactions take place at interfaces, both fluid composition and the physical and chemical structure of porous media must be treated as coevolving phenomena.  Such complex and interrelated processes can hinder both interpretation and prediction of key environmental processes.  One avenue of addressing this complexity is the use of multicomponent numerical methods that combine the governing equations of flow, transport and reactivity.  In this presentation I will demonstrate the construction and application of multi-component reactive transport models to address key hydrogeochemical problems, with an emphasis on the balance between simulations of complex reactivity versus highly heterogeneous hydrologic conditions.  Examples include stable isotope fractionations during contaminant cycling and interpretation of flux-weighted measurements.  The goal is to demonstrate how simulations can be used to interrogate complex field data and thus provide new insights into the processes governing hydrogeochemical systems.


April 11
4:00 pm - 5:00 pm
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Berthoud Hall
1516 Illinois St.
Golden, CO 80401 United States
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