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 | 5.19 | 11.35 | 13.57 | 13.73 | 12.26 | 19.02 | 43.28 | 19.18 | 42.25 | 71.19 | 25.28 | 67.55 | 115.36 | 36.92 | 106.06 |
Segal | 1.18 | 7.83 | 8.56 | 4.09 | 17.80 | 20.44 | 3.85 | 12.93 | 12.28 | 2.21 | 10.52 | 9.73 | 1.31 | 10.52 | 10.00 |
Burgueno et al. | 0.65 | 5.75 | 4.62 | 1.35 | 7.82 | 6.27 | 0.78 | 7.56 | 6.09 | 0.97 | 9.03 | 7.11 | 1.89 | 11.59 | 9.47 |
Chebil and Rahman | 0.92 | 7.99 | 8.06 | 5.21 | 23.08 | 26.79 | 5.77 | 17.31 | 17.33 | 3.30 | 13.33 | 13.25 | 1.70 | 12.60 | 12.32 |
Logarithmic | 0.66 | 8.41 | 8.24 | 2.06 | 18.93 | 20.56 | 1.47 | 16.57 | 14.73 | 1.52 | 16.32 | 14.71 | 1.57 | 17.77 | 16.12 |
Global coefficients | 3.64 | 9.33 | 10.97 | 20.31 | 37.19 | 48.47 | 47.98 | 45.04 | 62.63 | 63.61 | 44.77 | 75.64 | 125.87 | 58.16 | 129.48 |
Second order polynomial fit | 0.27 | 4.89 | 4.04 | 0.39 | 6.32 | 5.15 | 0.56 | 6.74 | 5.57 | 0.62 | 7.52 | 5.91 | 0.57 | 8.82 | 6.86 |
Third order polynomial fit | 0.25 | 4.99 | 4.01 | 0.28 | 5.42 | 4.33 | 0.32 | 5.84 | 4.78 | 0.44 | 6.60 | 5.53 | 0.33 | 6.79 | 6.11 |
Model 1 | 0.19 | 4.43 | 3.52 | 0.27 | 4.94 | 3.88 | 0.27 | 5.30 | 4.24 | 0.42 | 6.02 | 4.88 | 0.17 | 6.24 | 5.60 |
Model 2 | 0.60 | 5.05 | 4.17 | 0.84 | 7.23 | 6.07 | 0.50 | 7.65 | 6.51 | −0.08 | 10.23 | 8.28 | 1.51 | 11.49 | 9.24 |
Model 3 | 0.27 | 4.89 | 4.04 | 1.09 | 6.91 | 5.69 | 1.43 | 7.63 | 6.31 | 2.15 | 8.57 | 6.96 | 4.06 | 12.01 | 9.44 |