Table 6.
Results of the linear trends b (/a) and Spearman’s correlation coefficients (SCC) between annual and seasonal station-averaged wind speed and climate indices (PDO, AO and NAO) during 1960–2015.
| Period | PDO | AO | NAO | |||
|---|---|---|---|---|---|---|
| b (/a) | SCC | b (/a) | SCC | b (/a) | SCC | |
| Annual | 0.011 | − 0.04 | 0.007 | − 0.22 | 0.001 | 0.03 |
| Spring | 0.017 | − 0.10 | 0.007 | − 0.19 | 0.040 | − 0.20 |
| Summer | 0.010 | 0.05 | − 0.0003 | − 0.03 | − 0.070 | 0.25 |
| Autumn | 0.004 | 0.21 | 0.003 | − 0.06 | − 0.020 | 0.17 |
| Winter | 0.014 | − 0.13 | 0.017 | − 0.14 | 0.100 | − 0.18 |
Values in italic and bold and in bold represent the correlation coefficient were statistically significant at 0.01 and 0.05 confidence level, respectively.