IWA Publishing

Table 3

Correlation coefficient between annual and seasonal NDVI and hydroclimatological factors in the midstream region for the period 1982–2014

		Spring	Summer	Autumn	Winter	Annual
1982–2014	Precipitation	0.06	0.29	−0.19	0.09	0.47**
	Temperature	0.63**	−0.25	0.60**	0.67**	0.50**
	AET	0.17	0.31	0.16	0.31	0.40*
	SMA	−0.23	0.49**	−0.06	−0.26	0.08
	SWE	−0.14	−0.14	−0.20	−0.18	−0.17
	GWA	–	–	–	–	–
	TWSA	–	–	–	–	–
1982–2000	Precipitation	0.08	0.43	−0.17	0.15	0.73**
	Temperature	0.69**	−0.29	0.61**	0.76**	0.63**
	AET	0.14	0.34	0.48*	0.35	0.41
	SMA	−0.36	0.46*	0.18	0.12	0.39
	SWE	−0.17	−0.32	−0.31	0.12	−0.14
	GWA	–	–	–	–	–
	TWSA	–	–	–	–	–
2003–2014	Precipitation	−0.12	−0.12	−0.33	−0.23	−0.58*
	Temperature	0.59*	−0.28	0.40	0.31	0.20
	AET	0.22	0.40	−0.15	0.04	0.28
	SMA	−0.03	0.54	−0.11	−0.42	−0.42
	SWE	−0.07	0.08	0.03	−0.77**	0.04
	GWA	−0.07	−0.04	0.06	−0.44	0.05
	TWSA	−0.07	0.20	0.04	−0.51	−0.04

		Spring	Summer	Autumn	Winter	Annual
1982–2014	Precipitation	0.06	0.29	−0.19	0.09	0.47**
	Temperature	0.63**	−0.25	0.60**	0.67**	0.50**
	AET	0.17	0.31	0.16	0.31	0.40*
	SMA	−0.23	0.49**	−0.06	−0.26	0.08
	SWE	−0.14	−0.14	−0.20	−0.18	−0.17
	GWA	–	–	–	–	–
	TWSA	–	–	–	–	–
1982–2000	Precipitation	0.08	0.43	−0.17	0.15	0.73**
	Temperature	0.69**	−0.29	0.61**	0.76**	0.63**
	AET	0.14	0.34	0.48*	0.35	0.41
	SMA	−0.36	0.46*	0.18	0.12	0.39
	SWE	−0.17	−0.32	−0.31	0.12	−0.14
	GWA	–	–	–	–	–
	TWSA	–	–	–	–	–
2003–2014	Precipitation	−0.12	−0.12	−0.33	−0.23	−0.58*
	Temperature	0.59*	−0.28	0.40	0.31	0.20
	AET	0.22	0.40	−0.15	0.04	0.28
	SMA	−0.03	0.54	−0.11	−0.42	−0.42
	SWE	−0.07	0.08	0.03	−0.77**	0.04
	GWA	−0.07	−0.04	0.06	−0.44	0.05
	TWSA	−0.07	0.20	0.04	−0.51	−0.04

*reflects significant trend at 95% confidence level.

**reflects significant trend at 99% confidence level.