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Christophe Tournassat

Visiting Faculty

M/S 74R316C

ctournassat@lbl.gov

  • Education
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Biography

Christophe Tournassat is currently a Visiting Faculty in the Energy Geosciences Division, Earth and Environmental Sciences Area at Berkeley Laboratory. He is a Professor at the University of Orléans, France, where he leads the group on “Continental Biogeosystems” at the Institut des Sciences de la Terre d’Orléans (ISTO). His scientific interest covers a range of topics from thermodynamics and kinetics of low temperature water/solutes/rock interactions to multi-scale numerical modeling of retention and transfer processes in geological media. He co-develops, with Carl Steefel, the code CrunchClay, which can simulate coupled non-Fickian/non-Darcian transport together with reactive processes in nanoporous media. Christophe Tournassat is associate editor of Geochimica et Cosmochimica Acta, and is member of the editorial board of Applied Clay science.

Research Interests

  • Reactive transport modeling: numerical modeling of off-diagonal couplings in clay media; THMC coupled processes; reactive contaminant transport; particulate transport.
  • Redox chemistry: influence of solid state redox reactions on elements cycling and contaminant mitigation.
  • Adsorption processes: cation/anion exchange and surface complexation on colloidal materials

Education

  • Habilitation à diriger des recherches, Geology, University of Nantes, France, 2016
  • Ph.D. Geochemistry, University of Grenoble, France, 2003

Experience

  • Visiting Faculty, Geochemistry, Lawrence Berkeley National Laboratory (LBNL)-Earth & Environmental Sciences Area, 2021-Present
  • Professor, Geosciences, University of Orléans, France, 2020-Present
  • Project Scientist, Lawrence Berkeley National Laboratory (LBNL)-Earth & Environmental Sciences Area, 2017-2020
  • Affiliate Scientist, Lawrence Berkeley National Laboratory (LBNL)-Earth & Environmental Sciences Area, 2014-2017
  • Staff Scientist, French Geological Survey (BRGM), France, 2003-2020
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