Multidimensional Response Evaluation of Remote-Sensing Vegetation Change to Drought Stress in the Three-River Headwaters, China. - Shuang Zhu; Zuxiang Xiao; Xiangang Luo; Hairong Zhang; Xiuwei Liu; Rui Wang; Mingzhi Zhang; Zhibin Huo (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2020)