2000年前后我国寒潮活动特征的比较分析
马力, 韦志刚, 李娴茹, 王欢, 郭仕侗

Comparative analysis of the cold surge characteristics over China before and after 2000
Li MA, Zhigang WEI, Xianru LI, Huan WANG, Shitong GUO
图9 1962—2018年中国区域平均及各地区平均寒潮日数[(a), (d), (g), (j), (m), (p)]、寒潮频次[(b), (e), (h), (k), (n), (q)]、寒潮强度[(c), (f), (i), (l), (o), (r)]的小波功率谱,黑色实线表示通过显著性检验(α=0.05)
Fig. 9 Annual wavelet power spectra and total wavelet power spectra of mean of number of CS day [(a), (d), (g), (j), (m), (p)], CS frequency [(b), (e), (h), (k), (n), (q)] and CS intensity [(c), (f), (i), (l), (o), (r)] in China and each region during 1962—2018, the solid black line indicate passed the significance test (α=0.05)