1. Department of Civil & Environmental Engineering University of Washington Seattle WA USA
2. Cooperative Institute for Research in Environmental Sciences (CIRES) University of Colorado Boulder Boulder CO USA
3. Department of Geological Sciences University of Colorado Boulder Boulder CO USA
4. Community Surface Dynamics Modeling System (CSDMS) University of Colorado Boulder Boulder CO USA
5. Department of Earth and Environmental Sciences Tulane University New Orleans LA USA
6. School of Earth and Ocean Sciences Cardiff University Cardiff UK
7. Now at U.S. Geological Survey Golden CO USA
8. Division of Science & Math Delgado Community College New Orleans LA USA