Research Article
Spatial Downscaling of TRMM Precipitation Using Geostatistics and Fine Scale Environmental Variables
Table 1
Predictive performance evaluation results.
| | Downscaling without DEM and NDVI using area-to-point kriging | Downscaling with DEM and NDVI using area-to-point residual kriging | Downscaling with DEM and NDVI using ordinary kriging of residuals |
| MAE | 19.98 | 13.03 | 17.73 | Relative improvement of MAE | — | 34.78% | 11.30% | RMSE | 27.49 | 20.03 | 24.81 | Relative improvement of RMSE | — | 27.14% | 9.75% |
|
|