The authors of this book are leading authorities on radiocarbon measurements, and application in the fields of ecology and earth system science. Schuur is a professor at Northern Arizona University and is an expert in terrestrial carbon cycling; Trumbore is a director at the Max Planck Institute for biogeochemistry and is an expert in terrestrial carbon cycling; Druffel is a professor at the University of California, Irvine and is an expert in ocean carbon cycling.