Articles | Volume 12, issue 3
https://doi.org/10.5194/esd-12-919-2021
https://doi.org/10.5194/esd-12-919-2021
Research article
 | 
13 Sep 2021
Research article |  | 13 Sep 2021

Exploring how groundwater buffers the influence of heatwaves on vegetation function during multi-year droughts

Mengyuan Mu, Martin G. De Kauwe, Anna M. Ukkola, Andy J. Pitman, Weidong Guo, Sanaa Hobeichi, and Peter R. Briggs

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Latest update: 20 May 2024
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Short summary
Groundwater can buffer the impacts of drought and heatwaves on ecosystems, which is often neglected in model studies. Using a land surface model with groundwater, we explained how groundwater sustains transpiration and eases heat pressure on plants in heatwaves during multi-year droughts. Our results showed the groundwater’s influences diminish as drought extends and are regulated by plant physiology. We suggest neglecting groundwater in models may overstate projected future heatwave intensity.
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