Depth (cm)

Max Value

Min Value

Flatness (%)

Symmetry (%)

1.5

99.1

85.3

7.4

2.64

5

99.7

83.3

8.96

0.48

10

99.6

82.2

9.71

0.98

15

99.6

90.4

4.8

4.9

20

99.7

93.6

3.1

1.79

30

98.9

79

11.1

1.93