Position

Travel distance (m)

Travel time (days)

Pore water velocity (m/s)

Actual pore water velocity (m/s)

1 - 2

77.8

18

5.0 × 10−5

7.0 × 10−5

2 - 3

73

12

7.0 × 10−5

9.9 × 10−5

3-Leak point

10.4

10

1.2 × 10−5

1.7 × 10−5