Evaluating Spatiotemporal Variation of Groundwater Depth/Level in Beijing Plain, a Groundwater-Fed Area from 2001 to 2010

Table 5

Loadings of variables to each factor.

	Factor 1	Factor 2	Factor 3
Qin	0.301	0.574	0.686
Qout	0.131	0.526	0.837
SWR	0.36	0.86	0.351
GWR	−0.434	0.782	0.175
Pa		0.905	0.192
AWU	0.978	0.128	0.149
IWU	0.788	−0.124	0.482
DWU	−0.901	−0.27
EWU	−0.864	0.163	−0.122
Eigenvalue	3.563	2.910	1.632
Proportion variance	0.396	0.323	0.181
Cumulative variance	0.396	0.719	0.901