Table 2 Principal components loadings and accumulated variance at the SCT and APO monitoring sites.
From: Assessing black carbon sources with aethalometer data and ambient ΔBC/ΔCO ratios analysis
Variable | SCT Site | APO Site | ||||
|---|---|---|---|---|---|---|
PC1 | PC2 | PC3 | PC1 | PC2 | PC3 | |
BC | -0.35 | -0.14 | -0.18 | -0.22 | -0.39 | 0.19 |
CO | -0.25 | -0.27 | 0.03 | -0.07 | -0.37 | -0.25 |
NO2 | -0.34 | -0.11 | 0.08 | -0.27 | -0.34 | -0.11 |
NO | -0.37 | -0.11 | 0.09 | -0.3 | -0.31 | -0.18 |
O3 | 0.34 | -0.29 | 0.13 | 0.46 | 0.06 | -0.04 |
PM10 | -0.22 | -0.37 | -0.03 | 0.08 | -0.39 | 0.25 |
PM2.5 | -0.3 | -0.23 | -0.1 | 0.06 | -0.34 | -0.09 |
SO2 | -0.11 | -0.3 | 0.4 | 0.09 | -0.21 | -0.16 |
P | -0.06 | 0.31 | 0.64 | -0.23 | 0.28 | -0.31 |
RH | -0.11 | 0.42 | -0.18 | -0.36 | 0.23 | 0.37 |
SR | 0.15 | -0.34 | 0.17 | 0.3 | -0.11 | 0.13 |
T | 0.27 | -0.28 | -0.45 | 0.42 | -0.19 | 0.31 |
WS | 0.37 | -0.14 | 0.08 | 0.31 | 0.04 | -0.32 |
WD | -0.21 | 0.19 | -0.29 | -0.08 | 0.09 | -0.56 |
Accumulated variance | 68.60% | 19.90% | 5.70% | 42.40% | 33.60% | 7.10% |
