Articles | Volume 19, issue 23
https://doi.org/10.5194/bg-19-5575-2022
https://doi.org/10.5194/bg-19-5575-2022
Research article
 | 
09 Dec 2022
Research article |  | 09 Dec 2022

Observed water and light limitation across global ecosystems

François Jonard, Andrew F. Feldman, Daniel J. Short Gianotti, and Dara Entekhabi

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Cited articles

Akbar, R., Short Gianotti, D. J., McColl, K. A., Haghighi, E., Salvucci, G. D., and Entekhabi, D.: Estimation of landscape soil water losses from satellite observations of soil moisture, J. Hydrometeorol., 19, 871–889, 2018a. 
Akbar, R., Short Gianotti, D. S., McColl, K. A., Haghighi, E., Salvucci, G. D., and Entekhabi D.: Hydrological storage length scales represented by remote sensing estimates of soil moisture and precipitation, Water Resour. Res., 54, 1476–1492, 2018b. 
Alemohammad, S. H., Fang, B., Konings, A. G., Aires, F., Green, J. K., Kolassa, J., Miralles, D., Prigent, C., and Gentine, P.: Water, Energy, and Carbon with Artificial Neural Networks (WECANN): a statistically based estimate of global surface turbulent fluxes and gross primary productivity using solar-induced fluorescence, Biogeosciences, 14, 4101–4124, https://doi.org/10.5194/bg-14-4101-2017, 2017. 
Bassiouni, M., Good, S. P., Still, C. J., and Higgins, C. W.: Plant Water Uptake Thresholds Inferred from Satellite Soil Moisture, Geophys. Res. Lett., 47, e2020GL087077, https://doi.org/10.1029/2020GL087077, 2020. 
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We investigate the spatial and temporal patterns of light and water limitation in plant function at the ecosystem scale. Using satellite observations, we characterize the nonlinear relationships between sun-induced chlorophyll fluorescence (SIF) and water and light availability. This study highlights that soil moisture limitations on SIF are found primarily in drier environments, while light limitations are found in intermediately wet regions.
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