Spectral Variation and Corresponding Changing Mechanism of Suspended Particulate Material Absorption in Poyang Lake during Flood Periods

Table 1

Range of concentrations of the main OACs during two periods in 2017.

Time	Points	Range	SPM (mg/l)	Chl.a (μg/l)	SD (cm)
July	20	Mean	45.94	21.48	26
		Min	24.48	9.17	18
		Max	56.70	34.77	32
September	20	Mean	19.67	13.80	41
		Min	7.53	3.73	32
		Max	40.3	21.73	56
One-way ANOVA	F value		89.22	15.48	78.63
	Probability > F		4.93E − 10	3.91E − 4	3.16E − 10

Null hypothesis: the means of all levels are equal. Alternative hypothesis: the means of one or more levels are different.