Deriving Design Flood Hydrograph Based on Conditional Distribution: A Case Study of Danjiangkou Reservoir in Hanjiang Basin

Table 1

Statistics of flood peak and volume series at Danjiangkou reservoir.

	Flood peak (10^3 m^3/s)	3-day flood volume (10^8 m^3)	7-day flood volume (10^8 m^3)	15-day flood volume (10^8 m^3)
Min, max]	2.3, 34.3]	4.61, 66.43]	10.04, 93.12]	20.96, 134.40]
Median	15.50	18.45	37.67	67.95
Mean	15.77	28.03	46.07	71.82
Variance	8.32	15.27	24.07	35.17
Coefficient of skewness	0.384	0.628	0.551	0.481