| Infiltrometer No. 3 | Infiltrometer No. 4 | ||||||||
Height of water surface from reference | Infiltration during elapsed time | Height of water surface from reference | Infiltration during elapsed time | |||||||
Time (min) | Before filling (cm) | After filling (cm) | Depth (cm) | Rate of infiltration (cm/hr) | Accumulated infiltration (cm) | Before filling (cm) | After filling (cm) | Depth (cm) | Rate of infiltration (cm/hr) | Accumulated infiltration (cm) |
0 | 0 | 11.5 | 0 | 0 | 0 | 0 | 11.5 | 0 | 0 | 0 |
5 | 9.5 | 11.5 | 2 | 24 | 2.0 | 9.8 | 11.5 | 1.7 | 20.4 | 1.7 |
10 | 10.1 | 11.5 | 1.4 | 16.8 | 3.4 | 10.0 | 11.5 | 1.5 | 18.0 | 3.2 |
15 | 10.3 | 11.5 | 1.2 | 14.4 | 4.6 | 10.1 | 11.5 | 1.4 | 16.8 | 4.6 |
25 | 10.2 | 11.5 | 1.3 | 7.8 | 5.9 | 9.6 | 11.5 | 1.9 | 11.4 | 6.5 |
45 | 9.7 | 11.5 | 1.8 | 5.4 | 7.7 | 9.6 | 11.5 | 1.9 | 5.7 | 8.4 |
60 | 9.7 | 11.5 | 1.8 | 7.2 | 9.5 | 9.5 | 11.5 | 2.0 | 8.0 | 10.4 |
75 | 9.3 | 11.5 | 2.2 | 8.8 | 11.7 | 9.5 | 11.5 | 2.0 | 8.0 | 12.4 |
90 | 9.3 | 11.5 | 2.2 | 8.8 | 13.9 | 9.3 | 11.5 | 2.2 | 8.8 | 14.6 |
110 | 9.2 | 11.5 | 2.3 | 6.9 | 16.2 | 9.0 | 11.5 | 2.5 | 7.5 | 17.1 |
130 | 9.2 | 11.5 | 2.3 | 6.9 | 18.5 | 9.0 | 11.5 | 2.5 | 7.5 | 19.6 |