Spatial-Temporal Variation of Aridity Index of China during 1960–2013

Table 1

Seasonal aridity index in different river basins.

	YaRB	SERB	HaRB	SRB	HuRB	YeRB	LRB	NWRB	SWRB	PRB
Annual	0.922	0.723	2.107	1.316	2.135	1.689	1.738	7.021	1.238	0.776
Spring	0.96	0.518	5.221	2.111	3.49	3.756	3.843	10.948	2.188	0.736
Summer	0.788	0.756	1.229	0.901	1.607	1.012	1.182	5.894	0.693	0.568
Autumn	0.988	1.068	2.411	1.408	1.61	2.029	1.944	7.009	1.184	0.989
Winter	1.363	0.719	7.752	2.26	6.574	4.39	2.349	4.826	4.65	1.654