Biogeosciences
Biogeosciences
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Articles | Volume 15, issue 17
Articles | Volume 15, issue 17
https://doi.org/10.5194/bg-15-5415-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-15-5415-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 17
Technical note
 | 
12 Sep 2018
Technical note |  | 12 Sep 2018

Technical note: A simple theoretical model framework to describe plant stomatal “sluggishness” in response to elevated ozone concentrations

Chris Huntingford, Rebecca J. Oliver, Lina M. Mercado, and Stephen Sitch

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Short summary
Raised ozone levels impact plant stomatal opening and thus photosynthesis. Most models describe this as a suppression of stomata opening. Field evidence suggests more complexity, as ozone damage may make stomatal response sluggish. In some circumstances, this causes stomata to be more open – a concern during drought conditions – by increasing transpiration. To guide interpretation and modelling of field measurements, we present an equation for sluggish effects, via a single tau parameter.
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