青海冬季区域持续性低温事件变化及成因分析

申红艳, 段丽君, 李万志, 冯晓莉, 封国林

Regional persistent low temperature events in winter in Qinghai Province： variation and causes

Hongyan SHEN, Lijun DUAN, Wanzhi LI, Xiaoli FENG, Guolin FENG

图1 1961 - 2017年冬季区域（a）和各代表站（b）持续性低温事件发生频次变化曲线

Fig.1 Annual variations of the occurrence frequency of regional persistence low temperature events of the province （a） and that of the three representative stations （b） during the winter of 1961 - 2017