Articles | Volume 18, issue 1
Biogeosciences, 18, 13–24, 2021
https://doi.org/10.5194/bg-18-13-2021
Biogeosciences, 18, 13–24, 2021
https://doi.org/10.5194/bg-18-13-2021

Research article 04 Jan 2021

Research article | 04 Jan 2021

Calculating canopy stomatal conductance from eddy covariance measurements, in light of the energy budget closure problem

Richard Wehr and Scott R. Saleska

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (26 Sep 2020) by Christopher Still
AR by Richard Wehr on behalf of the Authors (14 Oct 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (23 Oct 2020) by Christopher Still
RR by Anonymous Referee #2 (27 Oct 2020)
RR by Anonymous Referee #1 (02 Nov 2020)
ED: Publish as is (10 Nov 2020) by Christopher Still
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Short summary
Water and carbon exchange between plants and the atmosphere is governed by stomata: adjustable pores in the surfaces of leaves. The combined gas conductance of all the stomata in a canopy has long been estimated using an equation that is shown here to be systematically incorrect because it relies on measurements that are generally inadequate. An alternative approach is shown to be more accurate in all probable scenarios and to imply different responses of stomatal conductance to the environment.
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