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On the isotopic composition of leaf water in the non-steady state

Cernusak, Lucas; Farquhar, Graham


An expression is derived for the isotopic composition of water in leaves under conditions where the composition of water entering the leaf is not necessarily the same as that of water being transpired. The treatment is simplified and considers the average composition of the lamina and of the sites of evaporation. The concept of 'isostorage' is introduced as the product of leaf water content and the isotopic enrichment of leaf water above source water. It is shown that the rate of increase of...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Functional Plant Biology
DOI: 10.1071/FP04232


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