Research Article
Statistical Downscaling of ERA-Interim Forecast Precipitation Data in Complex Terrain Using LASSO Algorithm
Table 4
Comparison of downscaling methods, as well as the original ERA-Interim forecast data in precipitation occurrence in the validation period 1999–2010.
| Site | CR | ERA | LOCI | QM | Stepwise | LASSO |
| COV | 0.76 | 0.85 | 0.84 | 0.82 | 0.82 | WFJ | 0.78 | 0.82 | 0.82 | 0.85 | 0.85 | SAE | 0.83 | 0.84 | 0.84 | 0.84 | 0.84 | GSB | 0.83 | 0.83 | 0.82 | 0.85 | 0.85 | GUE | 0.78 | 0.81 | 0.82 | 0.83 | 0.83 | PIL | 0.81 | 0.84 | 0.84 | 0.83 | 0.83 | MLS | 0.76 | 0.83 | 0.83 | 0.84 | 0.84 | SAM | 0.68 | 0.86 | 0.85 | 0.84 | 0.84 | DOL | 0.86 | 0.88 | 0.88 | 0.86 | 0.85 | CIM | 0.77 | 0.85 | 0.84 | 0.87 | 0.87 | SBE | 0.74 | 0.83 | 0.82 | 0.86 | 0.86 | ZER | 0.74 | 0.84 | 0.84 | 0.84 | 0.84 | CHA | 0.80 | 0.85 | 0.85 | 0.83 | 0.83 | DAV | 0.75 | 0.84 | 0.84 | 0.85 | 0.84 | MVE | 0.74 | 0.83 | 0.83 | 0.85 | 0.85 | NAP | 0.81 | 0.85 | 0.85 | 0.84 | 0.84 | ULR | 0.75 | 0.84 | 0.83 | 0.84 | 0.84 | SCU | 0.69 | 0.86 | 0.86 | 0.85 | 0.85 | FRE | 0.82 | 0.87 | 0.87 | 0.85 | 0.85 | DIS | 0.75 | 0.84 | 0.84 | 0.83 | 0.83 | ROB | 0.76 | 0.84 | 0.83 | 0.86 | 0.86 | ENG | 0.80 | 0.82 | 0.82 | 0.84 | 0.84 | CDF | 0.84 | 0.86 | 0.87 | 0.85 | 0.85 | PIO | 0.71 | 0.84 | 0.83 | 0.87 | 0.87 | STG | 0.81 | 0.85 | 0.84 | 0.84 | 0.84 | VIS | 0.68 | 0.85 | 0.85 | 0.85 | 0.85 | RUE | 0.78 | 0.85 | 0.84 | 0.83 | 0.83 | FAH | 0.81 | 0.86 | 0.86 | 0.85 | 0.85 | INT | 0.79 | 0.85 | 0.85 | 0.85 | 0.85 | CHU | 0.71 | 0.84 | 0.83 | 0.84 | 0.84 | SMA | 0.80 | 0.86 | 0.86 | 0.83 | 0.83 | BER | 0.77 | 0.86 | 0.86 | 0.85 | 0.85 | TAE | 0.80 | 0.86 | 0.86 | 0.85 | 0.85 | GLA | 0.79 | 0.84 | 0.84 | 0.86 | 0.86 | PAY | 0.76 | 0.86 | 0.85 | 0.85 | 0.85 | WAE | 0.81 | 0.85 | 0.85 | 0.84 | 0.85 | NEU | 0.77 | 0.87 | 0.86 | 0.85 | 0.85 | SIO | 0.69 | 0.87 | 0.87 | 0.87 | 0.88 | VAD | 0.76 | 0.86 | 0.85 | 0.85 | 0.85 | PUY | 0.79 | 0.87 | 0.86 | 0.86 | 0.86 | CGI | 0.78 | 0.88 | 0.88 | 0.87 | 0.87 | LUZ | 0.77 | 0.84 | 0.84 | 0.84 | 0.84 | REH | 0.79 | 0.85 | 0.85 | 0.83 | 0.84 | GUT | 0.78 | 0.84 | 0.84 | 0.84 | 0.84 | SHA | 0.78 | 0.85 | 0.85 | 0.83 | 0.83 | ALT | 0.77 | 0.84 | 0.84 | 0.84 | 0.84 | KLO | 0.79 | 0.85 | 0.85 | 0.84 | 0.84 | WYN | 0.79 | 0.86 | 0.86 | 0.85 | 0.85 | GVE | 0.78 | 0.88 | 0.87 | 0.86 | 0.86 | AIG | 0.78 | 0.86 | 0.86 | 0.87 | 0.86 |
| Average | 0.77 | 0.85 | 0.85 | 0.85 | 0.85 |
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