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

Table 3

Eigenvalues and squared loadings of the principal components.

	1	2	3	4	5	6	7	8	9	10	11
Eigenvalues	6.46	1.71	0.97	0.83	0.37	0.28	0.25	0.09	0.03	0.02	0.00
Contributions	58.77	15.52	8.79	7.55	3.32	2.56	2.24	0.82	0.27	0.14	0.03
Accumulated contributions	58.77	74.29	83.08	90.62	93.94	96.50	98.74	99.56	99.83	99.97	100.00