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Table 3 Factor loading for selected trace metals in lake water samples for wet and dry seasons

From: Evaluation of groundwater and surface water quality and human risk assessment for trace metals in human settlements around the Bosomtwe Crater Lake in Ghana

Variable Dry season Wet season
PC 1 PC 2 PC 1 PC 2
Fe −0.541 0.236 0.338 0.677
Pb 0.564 −0.074 0.372 −0.611
Zn −0.531 −0.262 0.539 0.059
Cr 0.318 −0.139 −0.406 −0.292
Ni 0.080 0.922 −0.540 0.282
Eigenvalues 2.918 1.131 2.234 1.403
% of variance 58.360 22.627 44.677 28.052
Cumulative % 58.360 80.987 44.677 72.728