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		(m^3/s)	(10^6m^3)
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