Barnes, Susan; Gan, K; Farquhar, Graham
Farquhar and Gan  have proposed a model for the spatial variation in the isotopic enrichment of H218O across a leaf, which is specifically formulated for monocotyledoneous leaves. The model is based on the interaction between mass fluxes longitudinally within the xylem, and fluxes laterally through veinlets into the lamina mesophyll, where moisture leaves the leaf through transpiration. The lighter, more abundant, molecule H216O escapes preferentially with the evaporating water, resulting...[Show more]
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