张家口地区干旱改变特征探析

Characteristics of Drought Change in Zhangjiakou Area

干旱会给张家口地区的农业生产带来较大影响,导致农作物减产甚至绝产,同时会造成较大的经济损失。采用标准化降水指数SPI和数据统计分析方法,深入分析该地区季节干旱时空改变特征,可以为预防干旱提供参考。

The occurrence of drought will have a great impact on agricultural production in Zhangjiakou area,lead to crop reduction and no production,and bring great economic losses.In this paper,the standardized precipitation index SPI and data statistical analysis methods are used to deeply analyze the temporal and spatial change characteristics of seasonal drought in this area,which can provide reference for drought prevention.