1. St. Anthony Falls Laboratory University of Minnesota Minneapolis MN USA
2. Civil, Environmental and Geological Engineering University of Minnesota Minneapolis MN USA
3. Civil, Environmental and Construction Engineering University of Central Florida Orlando FL USA
4. Environmental Science Division Oak Ridge National Laboratory Oak Ridge TN USA
5. School of Earth and Sustainability Northern Arizona University Flagstaff AZ USA
6. U.S. Geological Survey Southwest Biological Science Center, Grand Canyon Monitoring and Research Center Flagstaff AZ USA