The Integrated Surface Drought Index (ISDI) as an Indicator for Agricultural Drought Monitoring: Theory, Validation, and Application in Mid-Eastern China.
Lei ZhouJianjun WuJianhui ZhangSong LengMing LiuJie ZhangLin ZhaoFeng-ying ZhangYu ShiPublished in: IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. (2013)