About the Authors

Jay E. Diffendorfer

jediffendorfer@usgs.gov

Affiliation U.S. Geological Survey, Geosciences and Environmental Change Science Center, Denver Federal Center, Denver, Colorado, United States of America

Roger W. Compton

Affiliation U.S. Geological Survey, Geosciences and Environmental Change Science Center, Denver Federal Center, Denver, Colorado, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JED RC. Performed the experiments: JED RC. Analyzed the data: JED. Wrote the paper: JED. Mapping: RC.