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5 1961—2017 年京津冀地区区域性寒潮发生频次年际变化及其线性趋势

Fig.5 Inter-annual variation of regional cold wave frequency in BTH region from 1961 to 2017 and its linear trend