Joanna M Nield¹, Matthew C Baddock², Giles Wiggs³, Jim Best⁴, Kenneth Christensen⁵, Pauline Delorme⁶, Andrew Valdez⁷, Nathaniel Bristow⁸, Martin Hipondoka⁹, Daniel Goss¹, Natasha Wallum¹⁰ and Philippe Claudin¹¹, (1)University of Southampton, School of Geography and Environmental Science, Southampton, United Kingdom, (2)Loughborough University, Geography, Loughborough, United Kingdom, (3)University of Oxford, School of Geography and the Environment, Oxford, United Kingdom, (4)University of Illinois at Urbana Champaign, Department of Earth Science & Environmental Change, Champaign, United States, (5)University of Colorado, Department of Mechanical Engineering, Denver, United States, (6)Ecole Normale Supérieure, CNRS, PSL Research University, Laboratoire de Géologie, Paris, France, (7)Great Sand Dunes National Park and Preserve, National Park Service, Alamosa, United States, (8)Astrin Biosciences, Inc., Saint Paul, United States, (9)University of Namibia, Department of Environmental Science, Windhoek, Namibia, (10)University of Oxford, Oxford, United Kingdom, (11)Laboratoire de Physique, ENS - PSL Research University, Université de Paris, CNRS, Sorbonne Université, Paris, France, Paris Cedex 05, France