Articles | Volume 17, issue 19
Biogeosciences, 17, 4853–4870, 2020
https://doi.org/10.5194/bg-17-4853-2020
Biogeosciences, 17, 4853–4870, 2020
https://doi.org/10.5194/bg-17-4853-2020

Research article 13 Oct 2020

Research article | 13 Oct 2020

Causes and consequences of pronounced variation in the isotope composition of plant xylem water

Hannes P. T. De Deurwaerder et al.

Model code and software

Github code upload on Zenodo De Deurwaerder et al. https://doi.org/10.5281/zenodo.3988709

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Short summary
The depths at which plants take up water is challenging to observe directly. To do so, scientists have relied on measuring the isotopic composition of xylem water as this provides information on the water’s source. Our work shows that this isotopic composition changes throughout the day, which complicates the interpretation of the water’s source and has been currently overlooked. We build a model to help understand the origin of these composition changes and their consequences for science.
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