Cross-plane particle image velocimetry measurements of the flow structure associated with interacting barchan dunes in a refractive index matched flume

Nathaniel Bristow, University of Minnesota, St. Anthony Falls Laboratory, United States, Gianluca Blois, University of Notre Dame, Notre Dame, IN, United States, Kenneth T Christensen, University of Notre Dame, Aerospace and Mechanical Engineering, Notre Dame, IN, United States and Jim Best, University of Illinois at Urbana Champaign, Department of Earth Science & Environmental Change, Champaign, United States