Table 4 Mean bedform characteristics.

From: Experimental study on the three-dimensional structural characteristics of bedforms and their relationship with flow intensity

Shields numberΘ

Water depth

h (mm)

Wavelength L(mm)

Height

H (mm)

Steepness

δ (H/L)

Stoss side angle

α (°)

Lee side angle

φ(°)

0.089

66.23

520.30

7.10

0.0140

0.83

3.88

0.090

60.21

389.70

5.81

0.0160

1.31

4.10

0.091

62.56

457.05

6.61

0.0143

1.21

4.16

0.092

65.91

362.97

5.07

0.0134

1.38

2.49

0.096

63.94

363.02

6.16

0.0172

1.14

4.10

0.098

66.71

440.45

7.36

0.0170

1.45

5.05

0.100

65.37

388.94

8.81

0.0225

1.47

6.03

0.103

65.37

388.94

8.81

0.0225

1.47

6.03

0.178

40.65

176.56

3.41

0.0210

1.80

4.51

0.185

45.42

155.18

5.45

0.0351

2.91

7.49

0.196

43.58

154.02

5.03

0.0326

2.95

7.15

0.204

51.29

175.61

8.40

0.0485

3.62

12.25

0.211

53.53

161.84

7.21

0.0442

3.32

10.56

0.218

52.36

191.93

4.40

0.0237

1.91

6.00

0.225

55.63

182.82

7.38

0.0411

3.44

9.38

0.233

59.41

195.41

5.03

0.0260

2.42

5.86

0.236

27.09

168.47

3.73

0.0231

2.30

4.65

0.261

34.52

176.42

7.89

0.0452

3.58

11.54

0.273

38.24

190.48

5.99

0.0318

2.57

8.92

0.285

42.52

183.02

5.33

0.0296

3.40

6.64

0.309

41.07

221.43

11.16

0.0510

3.91

14.08

0.370

51.49

220.60

10.90

0.0499

3.68

14.95