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4 各致死因子归一化作用值的空间分布 注:基于谭其骧《中国历史地图集》中的清时期全图二(1908年)[ |
Fig. 4 Spatial distribution of the contributions of the normalized main factors to extreme events with mass deaths |
![]() |