京津冀水资源承载力风险评估模型构建研究

余灏哲, 李丽娟, 李九一

Construction of risk assessment model of water resources carrying capacity in Beijing-Tianjin-Hebei region

YU Haozhe, LI Lijuan, LI Jiuyi

图4 CDI干旱指数构建流程

Fig. 4 Construction flow chart of CDI drought index