Sediment Deposition Risk Analysis and PLSR Model Research for Cascade Reservoirs Upstream of the Yellow River

Table 4

The measured water and sediment statistics of Xunhua Hydrometrical Station (1956 to 2004).

Years	Average annual runoff; (10^8 m^3)		Average annual sediment; load (10^4 t)
	Flood season	Full year	Flood season	Full year
1956–1985	137.9	232.8	2840.2	3623.6
1986–1996	75.9	192	1490.2	1909
1997–2004	55.2	159.2	894.6	1169.8