Quantification of Multiple Climate Change and Human Activity Impact Factors on Flood Regimes in the Pearl River Delta of China

Table 5

Variation of channel geometries in Sanshui and Makou.

Geometry index		Unit	Period	Makou	Sanshui
Maximum cutting depth		m	1980–2003	+7.11	+8.07
Average depth			1985–1999; 1999–2006	0.80; 2.00	2.80; 1.50
Channel volume			1985–1999	+18.00	+69.00
		%	1999–2006	+29.00	+36.00
Change of discharge area	>2 m		1980–2003	+19.30	+99.50
	>6 m		1980–2003	+15.20	+40.00

Note: “+” means increase.