Sabine Attinger, Helmholtz Centre for Environmental Research UFZ Halle, Halle, Germany, Mahyar Shafii, University of Waterloo, Waterloo, ON, Canada, Philippe Van Cappellen, University of Waterloo, Earth and Environmental Sciences, Waterloo, ON, Canada, Rohini Kumar, Helmholtz Centre for Environmental Research - UFZ, Computational Hydrosystems, Leipzig, Germany, Nandita B Basu, University of Waterloo, Civil and Environmental Engineering, Waterloo, ON, Canada and Kimberly J Van Meter, University of Illinois at Chicago, Chicago, IL, United States