图9. 冬季2 m气温预测技巧与各Ni?o海温指数的相关系数实线(虚线)表示通过95%(99%)的显著性检验
Fig.9. Correlation coefficients between 2m-air temperature ACC skills in winter and Ni?o indicesSolid line (dotted line) represent the statistical significance at the 95% (99%) confidence level