Figure 1:
Research flow chart
Table 1:
Satellite performance evaluation accuracy values
| Statistical Parameter | Formula | Value Range | Description |
|---|---|---|---|
| POD | ∼1 | The satellite detected most of the actual event. | |
| FAR | ∼0 | Satellites minimize false alarms. | |
| CSI | ∼1 | The satellite has good overall performance. |
Figure 2:
Comparison graph of daily rainfall data from AWS and CHIRPS
Figure 3:
Comparison graph of daily rainfall data from AWS and CHIRPS after bias correction
Table 2:
Results of validated CHIRPS rainfall data
| Products | Mean | Standard Deviation | Centred RMS Difference (cRMSD) | Correlation Coefficient |
|---|---|---|---|---|
| AWS | 26.34 | 50.09 | 0.00 | 1.00 |
| CHIRPS RAW DATA | 12.04 | 12.39 | 44.39 | 0.55 |
| LS | 26.34 | 38.64 | 31.41 | 0.78 |
| LOCI | 25.75 | 43.56 | 30.39 | 0.80 |
| EQM | 29.18 | 50.39 | 32.72 | 0.79 |
Figure 4:
Taylor diagram of corrected data