1. Department of Earth, Ocean and Atmospheric Science, Florida State University, 1011 Academic Way, Tallahassee, Florida 32304, United States
2. National High Magnetic Field Laboratory Geochemistry Group, 1800 E Paul Dirac Drive, Tallahassee, Florida 32310, United States
3. School of Environmental and Forest Sciences, University of Washington, 3715 W Stevens Way NE, Seattle, Washington 98195, United States
4. Department of Earth Sciences, Indiana University-Purdue University Indianapolis, 723 W Michigan Street, Indianapolis, Indiana 46202, United States
5. Geosciences and Environmental Change Science Center, United States Geological Survey, Denver Federal Center, Denver, Colorado 80225-0046, United States
6. Water Resources Mission Area, United States Geological Survey, 3215 Marine Street, Boulder, Colorado 80303, United States
7. National High Magnetic Field Laboratory Ion Cyclotron Resonance Facility, 1800 E Paul Dirac Drive, Tallahassee, Florida 32310, United States
8. Department of Soil & Crop Sciences, Colorado State University, 307 University Avenue, Fort Collins, Colorado 80521, United States
9. Department of Earth & Environmental Studies, University of Waterloo, 200 University Avenue W, Waterloo, Ontario N2L 3G1, Canada
10. Geography & Environmental Studies, Wilfrid Laurier University, 75 University Avenue W, Waterloo, Ontario N2L 3C5, Canada
11. Department of Earth, Environmental & Planetary Sciences and Institute at Brown for Environment & Society, Brown University, 324 Brook Street, Providence, Rhode Island 02912, United States
12. Department of Earth, Marine and Environmental Sciences, University of North Carolina, 104 South Road, CB#3315, Chapel Hill, North Carolina 27514, United States
13. Department of Civil and Environmental Engineering, University of Washington, 201 More Hall, Seattle, Washington 98195-2700, United States