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 | 4.80 | 9.12 | 10.96 | 18.77 | 31.19 | 40.76 | 60.70 | 39.78 | 66.97 | 58.82 | 32.66 | 62.00 | 41.11 | 26.69 | 58.84 |
Burgueno et al. | 72.98 | 15.54 | 65.80 | 284.49 | 109.89 | 312.35 | 557.54 | 211.91 | 569.30 | 599.16 | 200.34 | 599.28 | 658.11 | 186.55 | 618.01 |
Chebil and Rahman | 1.75 | 8.93 | 10.27 | −330.25 | 62.01 | 310.36 | −29.65 | 18.88 | 45.46 | −140.27 | 10.67 | 119.68 | 10.59 | 21.48 | 28.93 |
Logarithmic | 1.01 | 9.08 | 10.47 | 5.42 | 28.75 | 36.63 | 9.15 | 28.53 | 36.07 | 7.06 | 23.66 | 31.11 | 6.08 | 21.48 | 29.96 |
Global coefficients | 3.64 | 9.33 | 10.97 | 20.31 | 37.19 | 48.47 | 47.88 | 45.04 | 62.63 | 63.61 | 44.77 | 75.64 | 126.04 | 58.16 | 129.48 |
Second order polynomial fit | 1.11 | 8.61 | 10.07 | 9.58 | 28.57 | 35.94 | 47.45 | 71.49 | 87.30 | 54.35 | 77.38 | 102.41 | 29.60 | 40.11 | 55.15 |
Third order polynomial fit | 0.43 | 6.08 | 6.74 | 73.05 | 210.12 | 267.44 | 430.31 | 615.18 | 760.93 | 573.37 | 908.49 | 1210.06 | −23.02 | 39.11 | 48.93 |
Model 1 | 0.89 | 7.81 | 9.06 | 1803.39 | 5106.40 | 6499.55 | 2850.68 | 4053.98 | 5046.73 | 2385.65 | 4108.23 | 5477.02 | −590.12 | 829.88 | 1161.87 |
Model 2 | 0.71 | 9.39 | 11.06 | 13.44 | 49.90 | 63.71 | 32.72 | 59.61 | 75.06 | 13.79 | 43.35 | 60.33 | 4.28 | 31.95 | 49.08 |
Model 3 | −3.38 | 8.01 | 10.50 | −79.39 | 60.35 | 122.56 | −108.42 | 29.39 | 109.67 | −260.77 | 101.92 | 287.08 | −506.55 | 180.25 | 530.17 |