1. Department of Earth, Marine and Environmental Sciences University of North Carolina Chapel Hill NC USA
2. CIRES University of Colorado Boulder Boulder CO USA
3. College of Marine Science University of South Florida St. Petersburg FL USA
4. Jet Propulsion Laboratory California Institute of Technology Pasadena CA USA
5. Department of Geography University of North Carolina Chapel Hill NC USA
6. Carolina Population Center University of North Carolina Chapel Hill NC USA
7. Department of Sociology and Carolina Population Center University of North Carolina Chapel Hill NC USA
8. Google, Inc. Mountain View CA USA