Articles | Volume 17, issue 2
Biogeosciences, 17, 405–422, 2020
https://doi.org/10.5194/bg-17-405-2020
Biogeosciences, 17, 405–422, 2020
https://doi.org/10.5194/bg-17-405-2020

Research article 29 Jan 2020

Research article | 29 Jan 2020

A double peak in the seasonality of California's photosynthesis as observed from space

Alexander J. Turner et al.

Data sets

Downscaled 500-m TROPOMI SIF over California Alexander J. Turner, Philipp Koehler, Troy S. Magney, Christian Frankenberg, Inez Fung, and Ronald C. Cohen https://doi.org/10.22002/d1.1327

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Short summary
We present the highest resolution solar-induced chlorophyll fluorescence (SIF) dataset from satellite measurements, providing previously unobservable phenomena related to plant photosynthesis. We find a strong correspondence between TROPOMI SIF and AmeriFlux GPP. We then observe a double peak in the seasonality of California's photosynthesis, not seen by traditional vegetation indices (e.g., MODIS). This is further corroborated by EOF/PC analysis.
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