IWA Publishing

Table 2

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

		Spring	Summer	Autumn	Winter	Annual
1982–2014	Precipitation	−0.38*	0.27	−0.22	−0.55**	−0.31
	Temperature	0.26	0.30	0.35*	0.37*	0.27
	AET	−0.16	0.59**	0.27	−0.55**	0.14
	SMA	0.13	0.09	−0.32	0.11	−0.17
	SWE	−0.31	−0.33	−0.32	−0.28	−0.42*
	GWA	–	–	–	–	–
	TWSA	–	–	–	–	–
1982–2000	Precipitation	−0.62**	0.28	−0.38	−0.51*	−0.44
	Temperature	0.67**	0.72**	0.15	0.62**	0.61**
	AET	−0.09	0.35	0.14	−0.50*	0.13
	SMA	−0.36	−0.08	−0.39	−0.17	−0.46*
	SWE	−0.72**	−0.62**	−0.18	−0.71**	−0.68**
	GWA	–	–	–	–	–
	TWSA	–	–	–	–	–
2003–2014	Precipitation	0.14	0.32	0.25	−0.60*	0.15
	Temperature	0.64*	−0.23	0.40	0.74**	0.30
	AET	−0.39	0.83**	0.26	−0.81**	0.31
	SMA	0.13	0.38	0.11	0.16	0.30
	SWE	−0.21	−0.13	−0.25	−0.23	−0.17
	GWA	0.27	0.04	0.41	0.85**	0.51
	TWSA	0.18	0.27	0.32	0.68*	0.38

		Spring	Summer	Autumn	Winter	Annual
1982–2014	Precipitation	−0.38*	0.27	−0.22	−0.55**	−0.31
	Temperature	0.26	0.30	0.35*	0.37*	0.27
	AET	−0.16	0.59**	0.27	−0.55**	0.14
	SMA	0.13	0.09	−0.32	0.11	−0.17
	SWE	−0.31	−0.33	−0.32	−0.28	−0.42*
	GWA	–	–	–	–	–
	TWSA	–	–	–	–	–
1982–2000	Precipitation	−0.62**	0.28	−0.38	−0.51*	−0.44
	Temperature	0.67**	0.72**	0.15	0.62**	0.61**
	AET	−0.09	0.35	0.14	−0.50*	0.13
	SMA	−0.36	−0.08	−0.39	−0.17	−0.46*
	SWE	−0.72**	−0.62**	−0.18	−0.71**	−0.68**
	GWA	–	–	–	–	–
	TWSA	–	–	–	–	–
2003–2014	Precipitation	0.14	0.32	0.25	−0.60*	0.15
	Temperature	0.64*	−0.23	0.40	0.74**	0.30
	AET	−0.39	0.83**	0.26	−0.81**	0.31
	SMA	0.13	0.38	0.11	0.16	0.30
	SWE	−0.21	−0.13	−0.25	−0.23	−0.17
	GWA	0.27	0.04	0.41	0.85**	0.51
	TWSA	0.18	0.27	0.32	0.68*	0.38

*reflects significant trend at 95% confidence level.

**reflects significant trend at 99% confidence level.