Patrick A Rafter, University of South Florida Tampa, Tampa, FL, United States, Mathis Hain, University of California Santa Cruz, Santa Cruz, United States, Kaustubh Thirumalai, University of Texas at Austin, Department of Geosciences, Tucson, United States, Elsa Arellano-Torres, Universidad Nacional Autónoma de México, Escuela Nacional de Ciencias de la Tierra, Mexico City, Mexico, Eric Tappa, University of South Carolina, School of the Earth, Ocean, and Environment, Columbia, United States, Timothy J DeVries, University of California Santa Barbara, Earth Research Institute, Santa Barbara, United States, Maria L. Machain-Castillo, Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Mexico City, Mexico, Ingrid L Hendy, University of Michigan Ann Arbor, Earth and Environmental Sciences, Ann Arbor, MI, United States, Juan Carlos Herguera, Center for Scientific Research and Higher Education at Ensenada, Ensenada, BJ, Mexico, Martin Soto-Jimenez, Universidad Nacional Autónoma de México, Mexico City, Mexico, William Robert Gray, Laboratoire des Sciences du Climat et de l'Environnement (LSCE/IPSL), Gif-sur-Yvette, France, Ryan A. Green, University of California, Santa Cruz, Earth and Planetary Sciences, Santa Cruz, United States, Frank Pavia, University of Washington, Seattle, United States, James William Buchanan Rae, University of St Andrews, School of Earth & Environmental Sciences, St Andrews, United Kingdom and John Richard Southon, Univ California, Earth System Science, Irvine, United States