Simple relations for different stomatal control mechanisms link partially drying soil and transpiration

Huber, Katrin;Vanderborght, Jan;Javaux, Mathieu;Vereecken, Harry
(2015) European Geosciences Union (EGU) General Assembly — Location: Vienna (Austria) (13.April.2015)

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Authors
  • Huber, KatrinForschungszentrum Jülich, Germany
    Author
  • Vanderborght, JanForschungszentrum Jülich, Germany
    Author
  • Javaux, Mathieuorcid-logoUCLouvain
    Author
  • Vereecken, HarryForschungszentrum Jülich, Germany
    Author
Abstract
Stomata can close to regulate plant water loss under unfavourable water availability. This closure can be triggered by hydraulic (‘H’) and/or chemical signals (‘C’, ‘H+C’). By combining plant hydraulic relations with a model for stomatal conductance, including chemical signalling, our aim was to derive a simple relation that links soil water availability, expressed as the fraction of roots in dry soil, to transpiration.
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Huber, K., Vanderborght, J., Javaux, M., & Vereecken, H. (2015). Simple relations for different stomatal control mechanisms link partially drying soil and transpiration. Geophysical Research Abstracts, 17, EGU2015-8578. https://hdl.handle.net/2078.5/193994 (Original work published 2015)