Table 3 Performance metrics of the selected bias correction methods for downscaling of rainfall.
GCM | Method | NRMSE | PBIAS | NSE | RSD | MD |
|---|---|---|---|---|---|---|
CESM1-CAM5 | GCM | 80.5 | −19.3 | 0.35 | 1.11 | 0.67 |
SCL | 40.6 | −2.5 | 0.83 | 0.97 | 0.83 | |
GEQM | 53.6 | −100 | −0.01 | 0 | 0.66 | |
PT | 53.6 | −2.9 | 0.71 | 0.92 | 0.75 | |
GAQM | 46.7 | −2.9 | 0.78 | 0.94 | 0.81 | |
CSIRO-Mk3.6.0 | GCM | 80.7 | −41.9 | 0.34 | 0.65 | 0.65 |
SCL | 45 | 1.3 | 0.80 | 0.93 | 0.81 | |
GEQM | 100.5 | −100 | 0 | −0.02 | 0.65 | |
PT | 48.6 | 1.9 | 0.76 | 0.97 | 0.78 | |
GAQM | 40.6 | 2.3 | 0.83 | 0.99 | 0.84 | |
HadGEM2-ES | GCM | 40.9 | −12.9 | 0.83 | 0.98 | 0.83 |
SCL | 33.9 | −7.0 | 0.88 | 0.92 | 0.86 | |
GEQM | 100 | −100 | −0.01 | 0 | 0.66 | |
PT | 50.1 | −8.8 | 0.75 | 0.85 | 0.78 | |
GAQM | 41.4 | −7.9 | 0.83 | 0.87 | 0.83 | |
MRI-CGCM3 | GCM | 56.6 | 23.2 | 0.68 | 1.21 | 0.81 |
SCL | 29.7 | −0.3 | 0.91 | 1.01 | 0.88 | |
GEQM | 100 | −100 | −0.01 | 0 | 0.66 | |
PT | 45.8 | −1.6 | 0.79 | 0.96 | 0.79 | |
GAQM | 38.1 | 2.4 | 0.85 | 0.94 | 0.85 |