Quantifying leaf upward and downward chlorophyll fluorescence by spectral invariants theory
Yelu Zeng, CAU China Agricultural University, Beijing, China, Dalei Hao, Pacific Northwest National Laboratory, Atmospheric Sciences and Global Change Division, Richland, WA, United States, Xiaojun Li, INRAE, UMR1391 ISPA, Université de Bordeaux, F-33140 Villenave d’Ornon, France and Min Chen, Pacific Northwest National Laboratory, Joint Global Change Research Institute, Richland, United States
