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通过搜集史料,对明清时期晋北地区蝗虫灾害发生的统计特征及其与其它灾害耦合关系进行了分析。结果显示:明清时期晋北地区蝗灾分布呈不均衡性,发生次数较多的时段为1340~1359,1520~1539,1560~1579,1640~1659,1820~1839;1520年之后蝗灾发生频率较高,1380~1520年出现一个“无灾”期;晋北蝗灾发生的时间主要集中在夏秋两季,具体为农历的五、六、七月间,夏秋蝗灾可能会连续发生;晋北蝗灾主要发生在大同府、保德州、定襄、五台等地;旱蝗相继,关系密切,时常引起饥疫等灾荒。从典型个案分析,蝗灾持续时间长,影响范围广,反复成灾,灾情严重。
Through the collection of historical data, the statistical characteristics of the locust disaster in the northern and northern parts of the Ming and Qing Dynasties and its coupling with other disasters were analyzed. The results showed that the distribution of locusts in Jinbei area was uneven in the Ming and Qing Dynasties, with periods of 1340 ~ 1359, 1520 ~ 1539, 1560 ~ 1579, 1640 ~ 1659 and 1820 ~ 1839 occurring more frequently; High, 1380 ~ 1520 appeared a “no disaster” period; locust plague in northern Shanxi occurred mainly in summer and autumn, specifically the lunar calendar in May, June and July, summer and autumn locust plague may occur continuously; North Shanxi Locust plague occurred mainly in Datong Prefecture, Baode Prefecture, Dingxiang, Wutai and other places; drought locust have one after another, are closely related, often cause famine and other famine. From the typical case analysis, locust plague lasts for a long time and has a wide range of impacts.