安徽农业科学2016，Vol.44Issue(15)：96-100,5.
明代关中地区干旱灾害时空特征
Spatial and Temporal Characteristics of Drought Disaster in the Central Shaanxi Plain in Ming Dynasty
摘要
Abstract
Objective] The aim was to discuss the temporal and spatial characteristics of drought disasters in the central Shaanxi Plain in Ming Dynasty.[Method] Through collection of drought disaster data in the central Shaanxi Plain in Ming Dynasty(AD 1368-1644), the grade, fre-quency, range, spatial and temporal characteristics of drought disaster in the central Shaanxi Plain were analyzed , the frequency and disaster de-gree in each county was compared.[Result] In Ming Dynasty 277 years, there were 145 times drought disaster totally in the central Shaanxi Plain, with the average rate of 1.91 each year.According to drought level, there were mild drought, medium drought, great drought and espe-cially big drought.Drought disaster was featured by season, which was composed by drought in summer, autumn, winter, spring.From the earli-er stage to the later stage of Ming Dynasty, the drought rate was fluctuated, longer and serious.Among them Baoji suffered the disaster more than other areas.[ Conclusion] During 277 years of Ming Dynasty, the trend of disasters in the central Shaanxi Plain presented an increasing trend , which can provide theoretical basis for preventing and reducing disasters in the central Shaanxi Plain .关键词
干旱灾害/关中地区/明代/灾害等级/时空分布Key words
Drought disaster/The central Shaanxi Plain/Ming Dynasty/Disaster level/Spatial and temporal distribution分类
农业科技引用本文复制引用
赵正坤,张永福,王娟..明代关中地区干旱灾害时空特征[J].安徽农业科学,2016,44(15):96-100,5.基金项目
国家自然科学基金项目（40771194，41261049）；新疆大学博士启动基金项目（BS110124）。 （）
