Research Article
Copula-Based Joint Flood Frequency Analysis: The Case of Guder River, Upper Blue Nile Basin, Ethiopia
Table 8
Comparison between joint return periods associated with the theoretical events.
| Station | Copula | | (m3/s) | (106m3) | | | | | |
| 1 | Gumbel-Hougaard | 5 | 97.49 | 77.35 | 0.7437 | 4 | 15 | 0.9382 | 16 | 10 | 108.09 | 100.14 | 0.8397 | 6 | 34 | 0.9614 | 26 | 25 | 120.46 | 124.42 | 0.9020 | 10 | 107 | 0.9764 | 42 | 50 | 129.06 | 140.11 | 0.9255 | 13 | 258 | 0.9820 | 56 | 100 | 137.20 | 154.20 | 0.9392 | 16 | 625 | 0.9853 | 68 |
| 2 | Gumbel-Hougaard | 5 | 93.78 | 25.92 | 0.7688 | 4 | 24 | 0.9686 | 32 | 10 | 101.47 | 34.75 | 0.8995 | 10 | 92 | 0.9863 | 73 | 25 | 110.74 | 44.16 | 0.9271 | 14 | 176 | 0.9901 | 101 | 50 | 117.31 | 50.23 | 0.9538 | 22 | 462 | 0.9937 | 159 | 100 | 123.60 | 55.69 | 0.9805 | 51 | 3418 | 0.9973 | 376 |
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