Combining the [ABA] and net photosynthesis-based model equations of stomatal conductance

Chris Huntingford, D. Mark Smith, William J. Davies, Richard Falk, Stephen Sitch and Lina M. Mercado

Ecological Modelling, 2015, vol. 300, issue C, 81-88

Abstract: Stomatal conductance gs is variously depicted as being dependent on environmental conditions (Jarvis, 976), transpiration (Monteith, 1995), net photosynthesis (Leuning, 1995) or chemical signalling arriving in the xylem (Tardieu and Davies, 1993). Accurate descriptions of gs are being increasingly demanded in the large-scale land surface model components of General Circulation Models (GCMs) to predict future land-atmospheric fluxes of water vapour, heat and carbon dioxide. The JULES model, for instance, uses the net photosynthesis description combined with a relatively simple semi-linear dependence on soil moisture content that modulates the photosynthesis dependence (Cox et al., 1998).

Keywords: Stomatal conductance; ABA; Soil moisture; Terrestrial carbon cycle; General circulation models; Climate change (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecomod:v:300:y:2015:i:c:p:81-88

DOI: 10.1016/j.ecolmodel.2015.01.005

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