1961—2017年京津冀地区寒潮活动特征
李红英, 林纾, 王云鹏, 黄鹏程, 于亚楠

Characteristics of cold wave activities in Beijing-Tianjin-Hebei region from 1961 to 2017
LI Hongying, LIN Shu, WANG Yunpeng, HUANG Pengcheng, YU Yanan
图6 1961—2017年京津冀地区区域性寒潮发生频次逐月变化
Fig.6 Monthly variation of occurrence frequency of regional cold wave in BTH region from 1961 to 2017