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 Method | 1.63 | 6.5 | 6.15 | 8.75 | 10.51 | 13.36 | 34.74 | 11.31 | 27.2 | 33.97 | 15.08 | 26.07 | 25.94 | 13.24 | 20.59 |
Burgueno et al. | 67.43 | 10.67 | 56.48 | 248.43 | 33.85 | 209.88 | 408.51 | 42.54 | 336.08 | 435.35 | 66.72 | 348.56 | 499.48 | 73.9 | 401.44 |
Chebil and Rahman | −1.31 | 6.24 | 5.98 | −311.43 | 21 | 257.35 | −40.49 | 7.73 | 37.81 | −134.47 | 7.39 | 109.23 | −4.29 | 13.45 | 15.17 |
Logarithmic | −2.15 | 6.22 | 6.22 | −3.82 | 9.15 | 10.38 | −9.06 | 8.92 | 13.18 | −10.18 | 12.68 | 17.72 | −9.38 | 12.71 | 17.46 |
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 | −2.16 | 6.53 | 6.03 | 0.13 | 9.78 | 10.29 | −1.7 | 8.99 | 8.34 | −2.55 | 13.48 | 13.48 | −0.62 | 13.64 | 13.26 |
Third order polynomial fit | −1.89 | 6.32 | 5.87 | −0.95 | 11.81 | 11.91 | 4.57 | 9.02 | 7.99 | −10.76 | 14.5 | 14.3 | −11.8 | 18.12 | 15.99 |
Model 1 | −2.09 | 6.34 | 6.01 | −1.48 | 12.09 | 12.85 | −7.03 | 8.12 | 9.75 | −15.66 | 11.55 | 19.17 | −82.03 | 23.58 | 81.89 |
Model 2 | −2.73 | 6.27 | 6.38 | −3.57 | 10.08 | 11.15 | −9.64 | 7.43 | 10.77 | −20.54 | 9.71 | 21.6 | −22.52 | 9.45 | 22.77 |
Model 3 | −6.37 | 6.13 | 7.64 | −60.36 | 5.44 | 53.45 | −90.42 | 5.15 | 78.45 | −184.06 | 14.8 | 156.31 | −357.57 | 42.73 | 304.46 |