Upper and lower plane bed definitions revised

Progress in Earth and Planetary Science

Table 2 Summary of field data used for the analysis

References	# of points	particle diameter D₅₀ [mm]	flow depth h [m]	flow velocity U [m/s]	Particle Reynolds number Re_p	Shields number τ_*	suspension index u_*/w_s	Froude number Fr
Baird (2010)	1	0.15	1.54	1.04	7.38	2.37	5.09	0.27
Colby and Hembree (1955)*	17	0.21–0.32	0.4–0.59	0.96–1.27	8.44–19.8	1.26–2.88	2.15–4.5	0.46–0.54
Culbertson et al. (1972)	14	0.16–0.24	0.28–1.11	0.46–1.66	5.38–17.82	0.48–2.08	1.3–5.14	0.26–0.52
Mahmood et al. (1979)*	6	0.08–0.21	1.46–2.32	0.6–0.8	3.57–9.71	0.60–1.45	2.1–7.01	0.13–0.19
Neill (1969)	3	0.34	0.91–2.74	0.67–1.01	20.81–20.81	0.45–1.34	1.16–2.01	0.19–0.22
Simons (1957)	4	0.03–0.36	1.32–1.83	0.59–0.64	0.66–30.93	0.25–2.77	0.74–46.94	0.14–0.17