Depth of soil (cm) | r for N = 7000 | r for N = 3500 (12 a.m.) | r for N = 3500 (12 p.m.) |
5 | 0.93 | 0.93 | 0.89 |
10 | 0.93 | 0.95 | 0.89 |
20 | 0.87 | 0.93 | 0.87 |
30 | 0.63 | 0.91 | 0.53 |