Spatiotemporal distribution characteristics and attribution of extreme regional low temperature event
Feng Tai-Chena), Zhang Ke-Quana), Su Hai-Jingb), Wang Xiao-Juana),b), Gong Zhi-Qiang†c), Zhang Wen-Yua)
       
Annual variation trends of ERLTE (strong event) indices (1961–2013), showing (a) extreme intensity index, (b) accumulated intensity index, (c) accumulated influenced area index, (d) duration index, and (e) integrated index.