Michelle Zill, University of California Riverside, Riverside, CA, United States, Sandra Kirtland Turner, University of California Riverside, Department of Earth Sciences, Riverside, CA, United States, Donald E Penman, University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States, Philip F. Sexton, The Open University, School of Environment, Earth and Ecosystem Sciences, Milton Keynes, United Kingdom and Howie Scher, University of South Carolina Columbia, Department of Earth and Ocean Sciences, Columbia, SC, United States