Articles | Volume 17, issue 18
https://doi.org/10.5194/bg-17-4523-2020
https://doi.org/10.5194/bg-17-4523-2020
Research article
 | 
15 Sep 2020
Research article |  | 15 Sep 2020

Decomposing reflectance spectra to track gross primary production in a subalpine evergreen forest

Rui Cheng, Troy S. Magney, Debsunder Dutta, David R. Bowling, Barry A. Logan, Sean P. Burns, Peter D. Blanken, Katja Grossmann, Sophia Lopez, Andrew D. Richardson, Jochen Stutz, and Christian Frankenberg

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Latest update: 14 Jun 2024
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Short summary
We measured reflected sunlight from an evergreen canopy for a year to detect changes in pigments that play an important role in regulating the seasonality of photosynthesis. Results show a strong mechanistic link between spectral reflectance features and pigment content, which is validated using a biophysical model. Our results show spectrally where, why, and when spectral features change over the course of the season and show promise for estimating photosynthesis remotely.
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