Fractal-geometry techniques are widely applied to the quantification of complex rock
structures. Important properties of such structures are (i) different scaling behaviour on …

To investigate the statistical roughness properties of gravel bed surfaces in meandering
channels, a meandering channel model is constructed, the flowrate is selected as the control …

There is no accepted standard equation for predicting flow resistance in gravel rivers. This is
mainly because of the lack of an effective approach for describing the roughness of the …

Imbrication of static armor surfaces is investigated based on laser-scanned DEMs collected
from both flume experiments and the field. Two approaches are employed to study the …

Sediment bed surfaces exist widely in natural rivers, and many aspects in river dynamics are
closely relevant to bed surface roughness, such as flow structure, river resistance and …

Spectral behavior of gravel dunes formed under different flow discharges is analyzed with
an attempt to verify the '− 3'spectral law that has been confirmed extensively for sand dunes …

Static armored gravel surfaces composed of man-made and natural gravels have been
analyzed using precise digital elevation models. The scaling behavior and spatial …

The assumption of the equilibrium state of gravel surfaces in flume experiments under
feeding or recirculating conditions is generally justified by three equilibrium criteria based on …

Morphological characteristics of ripples are analyzed considering bed surfaces as two
dimensional random fields of bed elevations. Two equilibrium phases are analyzed with …

Riverbed roughness is an important aspect of river dynamics research, and its quantitative
measurement has always been challenging. In this experiment, regardless of the …