明清时期京津冀地区蝗灾的时空特征及环境背景*
孔冬艳1,2, 李钢1,2, 陈海1,2

Spatial-temporal characteristics and environmental background of locust plague in Beijing-Tianjin-Hebei region during Ming and Qing Dynasties
Kong Dongyan1,2, Li Gang1,2, Chen Hai1,2
明清时期京津冀地区的蝗灾序列与厄尔尼诺对比