From: Rain rate modeling of 1-min from various integration times in South Korea
Methods | 5–1 min | 10–1 min | 20–1 min | 30–1 min | 60–1 min | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Error \(\upvarepsilon\) (%) | SD (%) | RMSE (%) | Error \(\upvarepsilon\) (%) | SD (%) | RMSE (%) | Error \(\upvarepsilon\) (%) | SD (%) | RMSE (%) | Error \(\upvarepsilon\) (%) | SD (%) | RMSE (%) | Error \(\upvarepsilon\) (%) | SD (%) | RMSE (%) | |
ITU-R P.837-6 | −6.59 | 9.63 | 12.64 | −8.65 | 9.59 | 13.97 | 57.94 | 14.72 | 53.97 | 123.89 | 45.98 | 127.39 | 127.93 | 46.53 | 130.89 |
Segal | 1.93 | 6.1 | 5.46 | 0.98 | 9.59 | 10.12 | 0.57 | 7.71 | 6.37 | 0.68 | 9.74 | 7.72 | 0.76 | 9.5 | 7.67 |
Burgueno et al. | 0.59 | 6.44 | 5.85 | 2.14 | 9.97 | 9.47 | 0.47 | 8.5 | 6.74 | 0.26 | 13.42 | 10.29 | 0.5 | 13.14 | 10.88 |
Chebil and Rahman | 0.98 | 6.44 | 5.84 | 0.94 | 9.47 | 9.94 | 1.12 | 10.28 | 8.75 | 0.62 | 8.67 | 7.14 | 2.4 | 14.59 | 13.32 |
Logarithmic | 0.56 | 6.4 | 5.88 | 0.37 | 9.61 | 10.11 | 0.95 | 9.56 | 8.1 | 1.44 | 13.99 | 12.68 | 1.63 | 13.94 | 12.93 |
Global coefficients | 0.23 | 6.42 | 5.95 | 7.8 | 11.02 | 13.63 | 16.8 | 9.91 | 14.07 | 27.26 | 15.96 | 22.01 | 75.85 | 21.75 | 60.89 |
Second order polynomial fit | 0.26 | 6.61 | 5.6 | 0.58 | 9.29 | 8.09 | 0.61 | 8.1 | 6.67 | 1.12 | 11.21 | 8.37 | 1.15 | 12.46 | 8.95 |
Third Order polynomial fit | 0.38 | 6.33 | 4.66 | 0.67 | 8.44 | 6.88 | 0.7 | 8.7 | 6.2 | 0.68 | 8.28 | 7.74 | −0.4 | 4.74 | 5.32 |
Model 1 | 0.46 | 5.93 | 4.25 | 0.74 | 8.07 | 6.56 | 0.46 | 8.41 | 5.72 | 0.98 | 9.15 | 7.91 | 0.78 | 4.96 | 5.43 |
Model 2 | 0.99 | 6.5 | 5.84 | 2.7 | 9.96 | 9.18 | 0.42 | 8.27 | 6.69 | 0.28 | 13.03 | 10.1 | 0.54 | 12.86 | 10.73 |
Model 3 | 0.31 | 6.61 | 5.6 | 0.59 | 9.29 | 8.09 | 0.59 | 8.09 | 6.67 | 4.98 | 12.7 | 10.51 | 11.38 | 20.23 | 14.99 |