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 \(\upvarepsilon\) (%) | RMSE (%) | Error \(\upvarepsilon\) (%) | RMSE (%) | Error \(\upvarepsilon\) (%) | RMSE (%) | Error \(\upvarepsilon\) (%) | RMSE (%) | Error \(\upvarepsilon\) (%) | RMSE (%) | |
ITU-R P.837-6 | 5.45 | 9.41 | 13.29 | 13.08 | 43.11 | 34.69 | 70.34 | 56.94 | 115.29 | 93.20 |
Segal | 0.47 | 4.39 | 7.27 | 6.49 | 36.59 | 28.83 | 43.00 | 33.92 | 31.52 | 38.90 |
Burgueno et al. | 65.69 | 51.27 | 244.27 | 192.28 | 423.08 | 337.37 | 492.93 | 394.16 | 584.09 | 467.14 |
Chebil and Rahman | −2.00 | 4.66 | −306.48 | 242.16 | −40.98 | 32.63 | −134.72 | 106.91 | 4.01 | 10.69 |
Logarithmic | −3.21 | 4.95 | −5.03 | 5.73 | −7.72 | 6.90 | −3.95 | 6.42 | −1.27 | 10.61 |
Global coefficients | −0.78 | 4.35 | 6.62 | 6.24 | 19.75 | 15.90 | 40.20 | 32.46 | 102.34 | 82.44 |
Second order polynomial fit | −2.32 | 4.60 | −0.60 | 4.17 | −0.92 | 6.93 | 4.58 | 9.04 | 9.90 | 14.51 |
Third order polynomial fit | −2.40 | 4.49 | −0.65 | 4.55 | −0.70 | 8.10 | 4.43 | 11.06 | 0.96 | 13.06 |
Model 1 | −2.68 | 4.71 | −2.52 | 4.38 | −4.51 | 7.28 | −5.52 | 8.09 | −116.26 | 95.74 |
Model 2 | −3.89 | 1.31 | −5.03 | 5.37 | −7.09 | 8.06 | −11.60 | 9.56 | −10.30 | 14.62 |
Model 3 | −6.45 | 6.12 | −59.29 | 47.49 | −91.32 | 72.89 | −200.87 | 161.22 | −421.44 | 339.14 |