Hydrological Design of Nonstationary Flood Extremes and Durations in Wujiang River, South China: Changing Properties, Causes, and Impacts

Table 4

Designed maximum flood flow 𝑄(𝑑=5) (m³/s) and related return periods before and after environment change in Wujiang River.

Station	Distribution	Length of series	𝑇=5	𝑇=10	𝑇=25	𝑇=50	𝑇=70	𝑇=100
Pingshi	GLO	1964∼1991	836.75	1001.95	1241.19	1447.35	1557.19	1681.49
		1964∼2008	951.67	1180.43	1541.16	1877.61	2065.86	2286.11
Lishi	GLO	1956∼1991	1566.15	1800.44	2100.47	2330.89	2445.16	2568.42
		1956∼2009	1746.75	2147.87	2759.51	3312.53	3616.06	3966.57