Articles | Volume 25, issue 3
Hydrol. Earth Syst. Sci., 25, 1411–1423, 2021
https://doi.org/10.5194/hess-25-1411-2021

Special issue: Understanding compound weather and climate events and related...

Hydrol. Earth Syst. Sci., 25, 1411–1423, 2021
https://doi.org/10.5194/hess-25-1411-2021

Research article 24 Mar 2021

Research article | 24 Mar 2021

Canopy temperature and heat stress are increased by compound high air temperature and water stress and reduced by irrigation – a modeling analysis

Xiangyu Luan and Giulia Vico

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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: Publish subject to minor revisions (further review by editor) (14 Jan 2021) by Jakob Zscheischler
AR by Giulia Vico on behalf of the Authors (26 Jan 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (28 Jan 2021) by Jakob Zscheischler
AR by Giulia Vico on behalf of the Authors (16 Feb 2021)  Author's response    Manuscript
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Short summary
Crop yield is reduced by heat and water stress, particularly when they co-occur. We quantify the joint effects of (unpredictable) air temperature and soil water availability on crop heat stress via a mechanistic model. Larger but more infrequent precipitation increased crop canopy temperatures. Keeping crops well watered via irrigation could reduce canopy temperature but not enough to always exclude heat damage. Thus, irrigation is only a partial solution to adapt to warmer and drier climates.