Upper limit of height-spacing ratio for transverse aeolian bedforms
Key Laboratory of Desert and Desertification, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences - Lanzhou 730000, PRC
2 School of Physical Science and Technology, Lanzhou University - Lanzhou 730000, PRC
Accepted: 5 January 2011
An effective “minimum force” hypothesis is proposed for the evolution of aeolian bedforms. The upper limit of the height-spacing ratio suitable for ripples, small-scale dunes and giant dunes is obtained from fluid dynamics by using this hypothesis.
PACS: 92.40.Pb – Geomorphology / 47.85.lb – Drag reduction / 89.75.Da – Systems obeying scaling laws
© EPLA, 2011