Comment on “Relevant Length Scale of Barchan Dunes”
Comment on “Relevant Length Scale of Barchan Dunes”
In a recent experimental breakthrough, Hersen et al. [1] demonstrated that by changing the agitating medium from air to water, one can obtain, on laboratory scale, dunes that are downsized copies of desert dunes, thereby overcoming a major obstacle for their systematic study. Here we argue in two steps (i),(ii) …