Exploring the Potential of Solar-Induced Chlorophyll Fluorescence Monitoring Drought-Induced Net Primary Productivity Dynamics in the Huang-Huai-Hai Plain Based on the SIF/NPP Ratio. - Yanan Wang; Jingchi He; Ting Shao; Youjun Tu; Yuxin Gao; Junli Li (Remote. Sens., 2023)