Articles | Volume 13, issue 7
https://doi.org/10.5194/bg-13-2195-2016
https://doi.org/10.5194/bg-13-2195-2016
Research article
 | 
15 Apr 2016
Research article |  | 15 Apr 2016

Amazon forest structure generates diurnal and seasonal variability in light utilization

Douglas C. Morton, Jérémy Rubio, Bruce D. Cook, Jean-Philippe Gastellu-Etchegorry, Marcos Longo, Hyeungu Choi, Maria Hunter, and Michael Keller

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Short summary
Seasonal dynamics of tropical forest productivity remain an important source of uncertainty in assessments of the land carbon sink. This study confirms the potential for canopy structure and illumination geometry to alter the seasonal availability of light for canopy photosynthesis without changes in canopy composition. Our results point to the need for 3-D forest structure in ecosystem models to account the impact of changing illumination geometry on tropical forest productivity.
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