Table 1 Relationships between the atmospheric circulation indexes and the corresponding SSTA clusters and PC1 of surface O3 pollution in months.
Atmospheric Circulation Index | \({{{\rm{Ni}}}}\tilde{n}{{{\rm{o}}}}\) 1+2 | NPH | WPSH | PNA | |
|---|---|---|---|---|---|
Corresponding SSTA cluster | CS1 | CS2 | CS3 | CS4 | |
Summer | Lagged correlation between the circulation index and PC1 | 0.74 ± 0.18 | −0.65 ± 0.21 | 0.79 ± 0.16 | 0.71 ± 0.19 |
Lagged correlation between the circulation index and SSTA | 0.72 ± 0.18 | −0.59 ± 0.22 | 0.79 ± 0.16 | 0.75 ± 0.18 |
Atmospheric Circulation Index | SOI | NAO | ASL | MJO | |
|---|---|---|---|---|---|
Corresponding SSTA cluster | CW1 | CW2 | CW3 | CW4 | |
Winter | Lagged correlation between the circulation index and PC1 | −0.63 ± 0.21 | −0.42 ± 0.25 | −0.53 ± 0.23 | −0.58 ± 0.22 |
Lagged correlation between the circulation index and SSTA | −0.66 ± 0.2 | −0.46 ± 0.24 | −0.64 ± 0.21 | −0.54 ± 0.23 |