Articles | Volume 23, issue 12
Hydrol. Earth Syst. Sci., 23, 4891–4907, 2019
https://doi.org/10.5194/hess-23-4891-2019

Special issue: Understanding and predicting Earth system and hydrological...

Hydrol. Earth Syst. Sci., 23, 4891–4907, 2019
https://doi.org/10.5194/hess-23-4891-2019

Research article 29 Nov 2019

Research article | 29 Nov 2019

Spatial variability of mean daily estimates of actual evaporation from remotely sensed imagery and surface reference data

Robert N. Armstrong et al.

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Interactive discussion

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: Publish subject to revisions (further review by editor and referees) (16 May 2019) by Sean Carey
AR by Robert Armstrong on behalf of the Authors (16 Aug 2019)  Author's response    Manuscript
ED: Publish subject to revisions (further review by editor and referees) (19 Aug 2019) by Sean Carey
ED: Publish subject to minor revisions (further review by editor) (24 Sep 2019) by Sean Carey
AR by Robert Armstrong on behalf of the Authors (02 Oct 2019)  Author's response    Manuscript
ED: Publish as is (16 Oct 2019) by Sean Carey
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Short summary
Digital and thermal images taken near midday were used to scale daily point observations of key factors driving actual-evaporation estimates across a complex Canadian Prairie landscape. Point estimates of actual evaporation agreed well with observed values via eddy covariance. Impacts of spatial variations on areal estimates were minor, and no covariance was found between model parameters driving the energy term. The methods can be applied further to improve land surface parameterisations.