Table 7 The correlations between urban sprawl index and climatic parameters
Parameters | Pearson test | Urban sprawl index | Surface temperature | Total precipitation | Convective precipitation | Total ozone | Black carbon density | Surface long-wave flux |
|---|---|---|---|---|---|---|---|---|
Urban sprawl index | R | 1 | 0.981 | − 0.805 | − 0.681 | 0.865 | 0.827 | 0.927 |
Sig. | 0.123 | 0.404 | 0.523 | 0.335 | 0.380 | 0.244 | ||
N | 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
Surface temperature | R | 0.981 | 1 | − 0.904 | − 0.809 | 0.945 | 0.920 | 0.982 |
Sig. | 0.123 | 0.281 | 0.400 | 0.212 | 0.257 | 0.121 | ||
N | 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
Total precipitation | R | − 0.805 | − 0.904 | 1 | 0.983 | − 0.994 | − 0.999 | − 0.969 |
Sig. | 0.404 | 0.281 | 0.119 | 0.069 | 0.024 | 0.160 | ||
N | 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
Convective precipitation | R | − 0.681 | − 0.809 | 0.983 | 1 | − 0.957 | − 0.975 | − 0.905 |
Sig. | 0.523 | 0.400 | 0.119 | 0.188 | 0.143 | 0.279 | ||
N | 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
Total ozone | R | 0.865 | 0.945 | − 0.994 | − 0.957 | 1 | 0.998 | 0.990 |
Sig. | 0.335 | 0.212 | 0.069 | 0.188 | 0.044 | 0.091 | ||
N | 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
Black carbon density | R | 0.827 | 0.920 | − 0.999 | − 0.975 | 0.998 | 1 | 0.977 |
Sig. | 0.380 | 0.257 | 0.024 | 0.143 | 0.044 | 0.136 | ||
N | 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
Surface long-wave flux | R | 0.927 | 0.982 | − 0.969 | − 0.905 | 0.990 | 0.977 | 1 |
Sig. | 0.244 | 0.121 | 0.160 | 0.279 | 0.091 | 0.136 | ||
N | 3 | 3 | 3 | 3 | 3 | 3 | 3 |