Inferring silicate weathering rates over recent timescales (less than 100 years) in crystalline aquifers by calibrating lumped parameters models with atmospheric tracers

Thierry Labasque, University of Rennes 1, Géosciences Rennes UMR 6118, Rennes, France, Alexandre Gauvain, University of Rennes, Rennes Cedex, France, Jean Marçais, Géosciences Rennes, UMR CNRS 6118 - Université Rennes 1, Rennes Cedex, France, Jean-Raynald De Dreuzy, Géosciences Rennes, Rennes Cedex, France, Luc Aquilina, UMR CNRS 6118, University of Rennes 1, Géosciences Rennes, Rennes, France and Benjamin W Abbott, Brigham Young University, Department of Plant and Wildlife Sciences, Provo, United States