Articles | Volume 18, issue 3
https://doi.org/10.5194/bg-18-831-2021
https://doi.org/10.5194/bg-18-831-2021
Research article
 | 
05 Feb 2021
Research article |  | 05 Feb 2021

Patterns of plant rehydration and growth following pulses of soil moisture availability

Andrew F. Feldman, Daniel J. Short Gianotti, Alexandra G. Konings, Pierre Gentine, and Dara Entekhabi

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Cited articles

Angert, A. L., Huxman, T. E., Barron-Gafford, G. A., Gerst, K. L., and Venable, D. L.: Linking growth strategies to long-term population dynamics in a guild of desert annuals, J. Ecol., 95, 321–331, https://doi.org/10.1111/j.1365-2745.2006.01203.x, 2007. 
Blackman, C. J., Brodribb, T. J., and Jordan, G. J.: Leaf hydraulics and drought stress: Response, recovery and survivorship in four woody temperate plant species, Plant Cell Environ., 32, 1584–1595, https://doi.org/10.1111/j.1365-3040.2009.02023.x, 2009. 
Bonan, G. B., Williams, M., Fisher, R. A., and Oleson, K. W.: Modeling stomatal conductance in the earth system: linking leaf water-use efficiency and water transport along the soil-plant-atmosphere continuum, Geosci. Model Dev., 7, 2193–2222, https://doi.org/10.5194/gmd-7-2193-2014, 2014. 
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Short summary
We quantify global plant water uptake durations after rainfall using satellite-based plant water content measurements. In wetter regions, plant water uptake occurs within a day due to rapid coupling between soil and plant water content. Drylands show multi-day plant water uptake after rain pulses, providing widespread evidence for slow rehydration responses and pulse-driven growth responses. Our results suggest that drylands are sensitive to projected shifts in rainfall intensity and frequency.
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