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

Table 4

Mann-Kendall test results of income flood flow.

Station	West River		North River
	Wuzhou	Makou	Shijiao	Sanshui
Mann-Kendall statistics	1.55	1.97	−1.12	2.03
Year of abruption	1991	—	—	1992

Note: Mann-Kendall statistics is known as . Positive indicates an increasing trend just as a negative one refers to a decreasing trend. Moreover, , , and show tendencies at the 0.01, 0.05, and 0.1 significance levels.