山西明清时期旱灾统计及区域特征分析

Statistics of Droughts in Ming and Qing Dynasties in Shanxi and Its Regional Characteristic Analysis

以山西省县志、山西气候、山西历史地图集为统计资料,用数理统计方法对明清时期山西旱灾进行了分析.结果表明,山西在明清时期以旱灾为主.山西各个区域干旱灾害相关性表现在,晋北盆地与晋南盆地受纬度位置影响显著;吕梁山区与太行山区受经度影响较小,地形对降水量的影响明显,太行山西部的降水量小于吕梁山东部.

This article analyzes Shanxi＇s drought damages in Ming and Qing dynasties with mathematical statistics method based on the statistical materials of Shanxi county annals,climates and historical atlas.The result shows that drought was the main disaster in Shanxi province during Ming and Qing dynasties.The drought disaster corelation of every single region of Shanxi shows that north Shanxi Basin and South Shanxi Basin are prominently affected by their latitude location;Lüliang mountain area and Taihang mountain area are slightly influenced by longitude. The terrain greatly affected the amount of precipitation;The amount of precipitation is less in west of Taihang mountain area than that in the east.