Table 3.
RMSE values (ppb.h) from crossvalidation: comparison for different interpolation techniques for AOT40F, 2007-2008 vegetation seasons.
| AOT40F (ppb.h) | ||||
| 2007 | 2008 | Average | ||
|
| ||||
| 17570 | 15202 | 16386 | ||
|
| ||||
| Interpolation technique | RMSE (ppb.h) | |||
| 2007 | 2008 | Average | Ranking | |
|
| ||||
| IDW | 3695 | 3105 | 3400 | 11 |
| RBF | 3556 | 3023 | 3289 | 10 |
| OK | 3364 | 2961 | 3163 | 9 |
| LR | 3438 | 2841 | 3140 | 8 |
| LR + res_IDW | 3335 | 2897 | 3116 | 7 |
| LR + res_RBF | 3271 | 2844 | 3058 | 6 |
| LR + res_OK | 3169 | 2827 | 2998 | 1 |
| ALR | 3222 | 2842 | 3032 | 3 |
| ALR + res_IDW | 3274 | 2809 | 3041 | 4 |
| ALR + res_RBF | 3254 | 2852 | 3053 | 5 |
| ALR + res_OK | 3207 | 2850 | 3029 | 2 |