Zhang Hao, Sun Fengjun et al.
Water resources planning and design
agriculture, drought risk map
The drought risk map is an important part of the preparation of the drought prevention plan. It can directly reflect the drought range, drought area, drought development situation and drought damage caused by different drought levels. It can provide necessary basis for drought prevention decision-making and guide drought relief work. Important means. This paper analyzes the parameters such as monthly evapotranspiration, monthly water demand and precipitation of crops represented by corn in Tongliao City, and proposes an idea and method for mapping agricultural drought risk.