1. Georgia Institute of Technology Atlanta Georgia
2. Now at Victoria University of Wellington Wellington New Zealand
3. Florida State University Tallahassee FL USA
4. University of Mary Washington Fredericksburg VA USA
5. Texas A&M University College Station TX USA
6. Department of Earth and Space Sciences University of Washington Seattle WA USA
7. Georgia State University Atlanta Georgia
8. University of Minnesota Minneapolis MN USA
9. Institute of Global Environmental Change Xi'an Jiaotong University Xi'an China