Beyond APAR and NPQ: Factors Coupling and Decoupling SIF and GPP Across Scales - Albert Porcar-Castell; Zbynek Malenovský; Troy S. Magney; Shari Van Wittenberghe; Beatriz Fernández-Marín; Fabienne Maignan; Yongguang Zhang; Kadmiel Maseyk; Jon Atherton; Loren P. Albert; Thomas Matthew Robson; Feng Zhao; et al. (IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2021, Brussels, Belgium, July 11-16, 2021, 2021)