Bedforms Bedforms Sediment becomes organized into bedforms in response to shear stress transmitted by fluids. From Blatt et al. Increasing complexity of ripple bedforms occurs with increase in velocity as a result of longitudinal flow vortices.
Ripple crests climb and migrage downstream.
With climbing ripples the greater angle of climb the greater rate of depostion. With low rates of depostion just the lee side of ripples are perserved.