清代自然灾害所致极端人口死亡事件的识别及特征
陈思宇, 方修琦, 叶瑜, 赵琬一

Identification and characteristics of extreme events with mass deaths caused by natural disasters in the Qing Dynasty
CHEN Siyu, FANG Xiuqi, YE Yu, ZHAO Wanyi
图3 清代极端人口死亡事件中的不同致死因子
Fig. 3 Different factors involved in extreme events with mass deaths in the Qing Dynasty