A New Model for the Regulation Width of Waterway Based on Hydraulic Geometry Relation

Table 2

The range of influencing factors.

Influencing factor	Range
Average flow velocity (m/s)	0.09~4.31
Average water depth (m)	0.15~25
Median grain size (mm)	0.02~200
Channel width (m)	2.8~1890
Slope of bed river (‰)	0.01~21.47