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2 1961—2017年京津冀地区寒潮平均年发生频次空间分布(单位:次)

Fig.2 Spatial distribution of average annual occurrence frequency of cold wave in BTH region from 1961 to 2017 (Unit: times)