Drought hazards have a great adverse effect on the agricultural production in Zhangjiakou. Based on the meteorological data of 14 weather stations from 1965 to 2018, the temporal-spatial characteristics of the seasonal drought variations in Zhangjiakou region are analyzed by the standardized precipitation index (SPI) and the statistic methods. It is shown that the summer drought sees a significant increasing trend, with a long time duration and in a large space, especially after the 1990s. But the spring and autumn drought sees a decreasing trend, and becomes weak in the 21st century. And the winter drought sees no significant variation. It is imperative to strengthen the management for the summer drought.

Zhangjiakou region  /  seasonal drought  /  mateorological observation