Table 1.
Analysis of the correlation between the LAI classified maps obtained by on-the-go scanning (with a total of 2146 sampling points, N) and those obtained discontinuously scanning according to various sampling schemes.
| Distance between Sampling Sections (m) | Number of Sampling Points | Kappa Coefficient 2-Class Vigor Maps | Kappa Coefficient 3-Class Vigor Maps |
|---|---|---|---|
| 1 | N/2 = 1073 | 0.95 | 0.91 |
| 2 | N/3 = 715 | 0.95 | 0.88 |
| 3 | N/4 = 537 | 0.75 | 0.89 |
| 4 | N/5 = 429 | 0.93 | 0.70 |
| 5 | N/6 = 358 | 0.82 | 0.85 |
| 10 | N/11 = 195 | 0.73 | 0.80 |
| 15 | N/16 = 135 | 0.90 | 0.75 |
| 20 | N/21 = 103 | 0.75 | 0.56 |
| 25 | N/26 = 83 | 0.75 | 0.50 |
| 30 | N/31 = 70 | 0.54 | 0.59 |